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Leon J Spicer

TitleProfessor
InstitutionOklahoma State University
DepartmentAnimal Science
Address114D AS
310 N Monroe
Stillwater OK 74078
Phone405/744-9268
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    Collapse Research 
    Collapse research activities and funding
    R15HD066302     (SPICER, LEON J.)Sep 22, 2010 - Aug 31, 2014
    NIH
    Receptor/Ligand Signals for Ovarian Follicular Angiogenesis
    Role: Principal Investigator
    F32HD006947     (SPICER, LEON J.)Nov 1, 1987
    NIH
    CATECHOLESTROGENS AND OVARIAN FUNCTION
    Role: Principal Investigator

    Collapse Bibliographic 
    Collapse selected publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Nagy AL, Ardelean S, Chapuis RJJ, Bouillon J, Pivariu D, De Felice B, Bertazzo M, Fossati P, Spicer LJ, Dreanca AI, Caloni F. Zootoxins and Domestic Animals: A European View. Toxins (Basel). 2024 Jan 16; 16(1). PMID: 38251264; PMCID: PMC10818608.
      Citations:    Fields:    Translation:HumansAnimals
    2. De Felice B, Spicer LJ, Caloni F. Enniatin B1: Emerging Mycotoxin and Emerging Issues. Toxins (Basel). 2023 06 06; 15(6). PMID: 37368684; PMCID: PMC10303499.
      Citations: 1     Fields:    
    3. Maylem ERS, Spicer LJ, Batalha IM, Sch?tz LF. Developmental and hormonal regulation of FBN1 and OR4M1 mRNA in bovine granulosa cells. Domest Anim Endocrinol. 2023 Apr 25; 84-85:106791. PMID: 37167929.
      Citations:    Fields:    Translation:AnimalsCells
    4. Batalha IM, Maylem ERS, Spicer LJ, Pena Bello CA, Archilia EC, Sch?tz LF. Effects of asprosin on estradiol and progesterone secretion and proliferation of bovine granulosa cells. Mol Cell Endocrinol. 2023 04 05; 565:111890. PMID: 36822263.
      Citations: 1     Fields:    Translation:AnimalsCells
    5. Ridenour M, Spicer LJ, Grindstaff JL. Insulin-like growth factor 1 and the hormonal mediation of sibling rivalry. Gen Comp Endocrinol. 2023 Jan 01; 330:114163. PMID: 36356644.
      Citations:    Fields:    Translation:HumansAnimals
    6. Chiminelli I, Spicer LJ, Maylem ERS, Caloni F. In Vitro Effects of Enniatin A on Steroidogenesis and Proliferation of Bovine Granulosa Cells. Toxins (Basel). 2022 Oct 20; 14(10). PMID: 36287982; PMCID: PMC9607026.
      Citations: 3     Fields:    Translation:AnimalsCells
    7. Spicer LJ, Evans JR, Schreiber NB. Hormone regulation of thrombospondin-1 mRNA in porcine granulosa cells in vitro. Anim Reprod Sci. 2022 Sep; 244:107048. PMID: 35914333.
      Citations:    Fields:    Translation:AnimalsCells
    8. Spicer LJ, Schütz LF. Effects of grape phenolics, myricetin and piceatannol, on bovine granulosa and theca cell proliferation and steroid production in vitro. Food Chem Toxicol. 2022 Sep; 167:113288. PMID: 35820639.
      Citations: 2     Fields:    Translation:AnimalsCells
    9. Maylem ERS, Spicer LJ. Effects of transforming growth factor β1 on steroidogenesis of feline granulosa cells cultured in vitro. Reprod Fertil Dev. 2022 Jul; 34(11):789-797. PMID: 35605602.
      Citations:    Fields:    Translation:AnimalsCells
    10. Chiminelli I, Spicer LJ, Maylem ERS, Caloni F. Emerging mycotoxins and reproductive effects in animals: A short review. J Appl Toxicol. 2022 Feb 28. PMID: 35229323.
      Citations: 7     Fields:    Translation:AnimalsCellsPHPublic Health
    11. Schütz LF, Hemple AM, Morrell BC, Schreiber NB, Gilliam JN, Cortinovis C, Totty ML, Caloni F, Aad PY, Spicer LJ. Changes in fibroblast growth factor receptors-1c, -2c, -3c, and -4 mRNA in granulosa and theca cells during ovarian follicular growth in dairy cattle. Domest Anim Endocrinol. 2022 07; 80:106712. PMID: 35276581.
      Citations: 1     Fields:    Translation:AnimalsCells
    12. Maylem ERS, Spicer LJ, Atabay EP, Atabay EC, Batalha I, Schutz LF. A potential role of fibrillin-1 (FBN1) mRNA and asprosin in follicular development in water buffalo. Theriogenology. 2022 Jan 15; 178:67-72. PMID: 34781067.
      Citations: 3     Fields:    Translation:AnimalsCells
    13. Spicer LJ, Schutz LF, Aad PY. Effects of bone morphogenetic protein 4, gremlin, and connective tissue growth factor on estradiol and progesterone production by bovine granulosa cells. J Anim Sci. 2021 Nov 01; 99(11). PMID: 34724558.
      Citations: 1     Fields:    Translation:AnimalsCells
    14. Spicer LJ. Wingless-type mouse mammary tumor virus integration site regulation of bovine theca cells. J Anim Sci. 2021 Aug 01; 99(8). PMID: 34166505.
      Citations: 2     Fields:    Translation:HumansAnimalsCells
    15. Habibi M, Shili C, Sutton J, Goodarzi P, Maylem ER, Spicer L, Pezeshki A. Branched-chain amino acids partially recover the reduced growth of pigs fed with protein-restricted diets through both central and peripheral factors. Anim Nutr. 2021 Sep; 7(3):868-882. PMID: 34632118.
      Citations: 6     
    16. Rubio I, White FJ, Spicer LJ, Wettemann RP. Postpartum nutrition affects the insulin-like growth factor system in dominant follicles and plasma of anestrous beef cows. Anim Reprod Sci. 2021 Jun; 229:106760. PMID: 33962315.
      Citations:    Fields:    Translation:Animals
    17. Chiara Perego M, Bellitto N, Maylem ERS, Caloni F, Spicer LJ. Effects of selected hormones and their combination on progesterone and estradiol production and proliferation of feline granulosa cells cultured in vitro. Theriogenology. 2021 Jul 01; 168:1-12. PMID: 33826978.
      Citations: 4     Fields:    Translation:AnimalsCells
    18. Maylem ERS, Spicer LJ, Batalha I, Schutz LF. Discovery of a possible role of asprosin in ovarian follicular function. J Mol Endocrinol. 2021 01; 66(1):35-44. PMID: 33112803.
      Citations: 11     Fields:    Translation:HumansCells
    19. Ding H, Yang Y, Wei S, Spicer LJ, Kenéz Á, Xu W, Liu Y, Feng T. Influence of N-acetylcysteine on steroidogenesis and gene expression in porcine placental trophoblast cells. Theriogenology. 2021 Feb; 161:49-56. PMID: 33302164.
      Citations: 7     Fields:    Translation:AnimalsCells
    20. Wei S, Yang Y, Xiao Y, Liu Y, Tian J, Spicer LJ, Feng T. Effects of N-carbamylglutamate on steroidogenesis and relative abundances of mRNA transcripts in pig placental trophoblasts. Anim Reprod Sci. 2020 Oct; 221:106569. PMID: 32861119.
      Citations: 5     Fields:    Translation:AnimalsCells
    21. Perego MC, Morrell BC, Zhang L, Schütz LF, Spicer LJ. Developmental and hormonal regulation of ubiquitin-like with plant homeodomain and really interesting new gene finger domains 1 gene expression in ovarian granulosa and theca cells of cattle. J Anim Sci. 2020 Jul 01; 98(7). PMID: 32614952.
      Citations: 1     Fields:    Translation:AnimalsCells
    22. Morrell BC, Perego MC, Maylem ERS, Zhang L, Schütz LF, Spicer LJ. Regulation of the transcription factor E2F1 mRNA in ovarian granulosa cells of cattle. J Anim Sci. 2020 Jan 01; 98(1). PMID: 31832639.
      Citations: 5     Fields:    Translation:AnimalsCells
    23. Morrell BC, Zhang L, Schütz LF, Perego MC, Maylem ERS, Spicer LJ. Regulation of the transcription factor E2F8 gene expression in bovine ovarian cells. Mol Cell Endocrinol. 2019 12 01; 498:110572. PMID: 31493442.
      Citations: 6     Fields:    Translation:AnimalsCells
    24. Feng T, DeVore AA, Perego MC, Morrell BC, Spicer LJ. Effects of N-carbamylglutamate and arginine on steroidogenesis and proliferation of pig granulosa cells in vitro. Anim Reprod Sci. 2019 Oct; 209:106138. PMID: 31514935.
      Citations: 3     Fields:    Translation:AnimalsCells
    25. Nichols JA, Perego MC, Schütz LF, Hemple AM, Spicer LJ. Hormonal regulation of vascular endothelial growth factor A (VEGFA) gene expression in granulosa and theca cells of cattle1. J Anim Sci. 2019 Jul 02; 97(7):3034-3045. PMID: 31077271.
      Citations: 6     Fields:    Translation:AnimalsCells
    26. Bertero A, Spicer LJ, Caloni F. Fusarium mycotoxins and in vitro species-specific approach with porcine intestinal and brain in vitro barriers: A review. Food Chem Toxicol. 2018 Nov; 121:666-675. PMID: 30253243.
      Citations: 5     Fields:    Translation:Animals
    27. McLean KJ, Boehmer BH, Spicer LJ, Wettemann RP. The effects of protein supplementation of fall calving beef cows on pre- and postpartum plasma insulin, glucose and IGF-I, and postnatal growth and plasma insulin and IGF-I of calves. J Anim Sci. 2018 Jun 29; 96(7):2629-2639. PMID: 29790945.
      Citations: 2     Fields:    Translation:Animals
    28. Bertero A, Moretti A, Spicer LJ, Caloni F. Fusarium Molds and Mycotoxins: Potential Species-Specific Effects. Toxins (Basel). 2018 06 15; 10(6). PMID: 29914090.
      Citations: 54     Fields:    Translation:HumansAnimals
    29. Liu Y, Bai JH, Xu XL, Chen ZL, Spicer LJ, Feng T. Effects of N-carbamylglutamate and L-arginine on gonadotrophin-releasing hormone (GnRH) gene expression and secretion in GT1-7 cells. Reprod Fertil Dev. 2018 May; 30(5):759-765. PMID: 29121483.
      Citations: 2     Fields:    Translation:AnimalsCells
    30. Robinson CL, Zhang L, Schütz LF, Totty ML, Spicer LJ. MicroRNA 221 expression in theca and granulosa cells: hormonal regulation and function. J Anim Sci. 2018 Mar 06; 96(2):641-652. PMID: 29385487.
      Citations: 9     Fields:    Translation:AnimalsCells
    31. Feng T, Schutz LF, Morrell BC, Perego MC, Spicer LJ. Effect of melatonin on bovine theca cells in vitro. Reprod Fertil Dev. 2018 Mar; 30(4):643-650. PMID: 28972875.
      Citations: 2     Fields:    Translation:AnimalsCells
    32. Zhang L, Feng T, Spicer LJ. The role of tight junction proteins in ovarian follicular development and ovarian cancer. Reproduction. 2018 04; 155(4):R183-R198. PMID: 29374086.
      Citations: 21     Fields:    Translation:HumansAnimals
    33. Schütz LF, Hurst RE, Schreiber NB, Spicer LJ. Transcriptome profiling of bovine ovarian theca cells treated with fibroblast growth factor 9. Domest Anim Endocrinol. 2018 04; 63:48-58. PMID: 29413902.
      Citations: 3     Fields:    Translation:AnimalsCells
    34. Prosperini A, Berrada H, Ruiz MJ, Caloni F, Coccini T, Spicer LJ, Perego MC, Lafranconi A. A Review of the Mycotoxin Enniatin B. Front Public Health. 2017; 5:304. PMID: 29201864.
      Citations: 48     Fields:    
    35. Feng T, Schütz LF, Morrell BC, Perego MC, Spicer LJ. Effects of N-carbamylglutamate and L-arginine on steroidogenesis and gene expression in bovine granulosa cells. Anim Reprod Sci. 2018 Jan; 188:85-92. PMID: 29150243.
      Citations: 7     Fields:    Translation:AnimalsCells
    36. Ervin JM, Schütz LF, Spicer LJ. Current status of the role of endothelins in regulating ovarian follicular function: A review. Anim Reprod Sci. 2017 Nov; 186:1-10. PMID: 28967452.
      Citations: 6     Fields:    Translation:Animals
    37. Perego MC, Caloni F, Cortinovis C, Schutz LF, Albonico M, Tsuzukibashi D, Spicer LJ. Influence of a Roundup formulation on glyphosate effects on steroidogenesis and proliferation of bovine granulosa cells in vitro. Chemosphere. 2017 Dec; 188:274-279. PMID: 28888115.
      Citations: 13     Fields:    Translation:AnimalsCells
    38. Zhang L, Schütz LF, Robinson CL, Totty ML, Spicer LJ. Evidence that gene expression of ovarian follicular tight junction proteins is regulated in vivo and in vitro in cattle. J Anim Sci. 2017 Mar; 95(3):1313-1324. PMID: 28380519.
      Citations: 8     Fields:    Translation:AnimalsCells
    39. Albonico M, Schutz LF, Caloni F, Cortinovis C, Spicer LJ. In vitro effects of the Fusarium mycotoxins fumonisin B1 and beauvericin on bovine granulosa cell proliferation and steroid production. Toxicon. 2017 Mar 15; 128:38-45. PMID: 28132864.
      Citations: 13     Fields:    Translation:AnimalsCells
    40. Spicer LJ, Schütz LF, Williams JA, Schreiber NB, Evans JR, Totty ML, Gilliam JN. G protein-coupled receptor 34 in ovarian granulosa cells of cattle: changes during follicular development and potential functional implications. Domest Anim Endocrinol. 2017 04; 59:90-99. PMID: 28040605.
      Citations:    Fields:    Translation:AnimalsCells
    41. Perego MC, Schutz LF, Caloni F, Cortinovis C, Albonico M, Spicer LJ. Evidence for direct effects of glyphosate on ovarian function: glyphosate influences steroidogenesis and proliferation of bovine granulosa but not theca cells in vitro. J Appl Toxicol. 2017 06; 37(6):692-698. PMID: 27917511.
      Citations: 11     Fields:    Translation:AnimalsCells
    42. Totty ML, Morrell BC, Spicer LJ. Fibroblast growth factor 9 (FGF9) regulation of cyclin D1 and cyclin-dependent kinase-4 in ovarian granulosa and theca cells of cattle. Mol Cell Endocrinol. 2017 01 15; 440:25-33. PMID: 27816766.
      Citations: 10     Fields:    Translation:HumansAnimalsCells
    43. Dentis JL, Schreiber NB, Burress AM, Spicer LJ. Effects of angiogenin on granulosa and theca cell function in cattle. Animal. 2017 May; 11(5):811-819. PMID: 27760586.
      Citations: 2     Fields:    Translation:HumansAnimalsCells
    44. Schütz LF, Schreiber NB, Gilliam JN, Cortinovis C, Totty ML, Caloni F, Evans JR, Spicer LJ. Changes in fibroblast growth factor 9 mRNA in granulosa and theca cells during ovarian follicular growth in dairy cattle. J Dairy Sci. 2016 Nov; 99(11):9143-9151. PMID: 27614836.
      Citations: 9     Fields:    Translation:AnimalsCells
    45. Albonico M, Schütz LF, Caloni F, Cortinovis C, Spicer LJ. Toxicological effects of fumonisin B1 alone and in combination with other fusariotoxins on bovine granulosa cells. Toxicon. 2016 Aug; 118:47-53. PMID: 27108238.
      Citations: 4     Fields:    Translation:AnimalsCells
    46. Pizzo F, Caloni F, Schreiber NB, Cortinovis C, Spicer LJ. In vitro effects of deoxynivalenol and zearalenone major metabolites alone and combined, on cell proliferation, steroid production and gene expression in bovine small-follicle granulosa cells. Toxicon. 2016 Jan; 109:70-83. PMID: 26657070.
      Citations: 12     Fields:    Translation:AnimalsCells
    47. Dentis JL, Schreiber NB, Gilliam JN, Schutz LF, Spicer LJ. Changes in brain ribonuclease (BRB) messenger RNA in granulosa cells (GCs) of dominant vs subordinate ovarian follicles of cattle and the regulation of BRB gene expression in bovine GCs. Domest Anim Endocrinol. 2016 Apr; 55:32-40. PMID: 26773365.
      Citations: 7     Fields:    Translation:AnimalsCells
    48. Pizzo F, Caloni F, Schutz LF, Totty ML, Spicer LJ. Individual and combined effects of deoxynivalenol and a-zearalenol on cell proliferation and steroidogenesis of granulosa cells in cattle. Environ Toxicol Pharmacol. 2015 Nov; 40(3):722-8. PMID: 26425942.
      Citations: 10     Fields:    Translation:AnimalsCells
    49. Pizzo F, Caloni F, Schreiber NB, Schutz LF, Totty ML, Albonico M, Spicer LJ. Direct effects of the algal toxin, domoic acid, on ovarian function: Bovine granulosa and theca cells as an in vitro model. Ecotoxicol Environ Saf. 2015 Mar; 113:314-20. PMID: 25528487.
      Citations: 1     Fields:    Translation:AnimalsCells
    50. Cooper-Prado MJ, Long NM, Davis MP, Wright EC, Madden RD, Dilwith JW, Bailey CL, Spicer LJ, Wettemann RP. Maintenance energy requirements of beef cows and relationship with cow and calf performance, metabolic hormones, and functional proteins. J Anim Sci. 2014 Aug; 92(8):3300-15. PMID: 24902599.
      Citations: 3     Fields:    Translation:Animals
    51. Cortinovis C, Caloni F, Schreiber NB, Spicer LJ. Effects of fumonisin B1 alone and combined with deoxynivalenol or zearalenone on porcine granulosa cell proliferation and steroid production. Theriogenology. 2014 May; 81(8):1042-9. PMID: 24576714.
      Citations: 24     Fields:    Translation:AnimalsCells
    52. Evans JR, Schreiber NB, Williams JA, Spicer LJ. Effects of fibroblast growth factor 9 on steroidogenesis and control of FGFR2IIIc mRNA in porcine granulosa cells. J Anim Sci. 2014 Feb; 92(2):511-9. PMID: 24664559.
      Citations: 7     Fields:    Translation:AnimalsCells
    53. Aad PY, Echternkamp SE, Spicer LJ. Possible role of IGF2 receptors in regulating selection of 2 dominant follicles in cattle selected for twin ovulations and births. Domest Anim Endocrinol. 2013 Nov; 45(4):187-95. PMID: 24209503.
      Citations: 6     Fields:    Translation:HumansAnimalsCells
    54. Cortinovis C, Pizzo F, Spicer LJ, Caloni F. Fusarium mycotoxins: effects on reproductive function in domestic animals--a review. Theriogenology. 2013 Oct 01; 80(6):557-64. PMID: 23916251.
      Citations: 39     Fields:    Translation:AnimalsPHPublic Health
    55. Lents CA, White FJ, Ciccioli NH, Floyd-White LN, Rubio I, Keisler DH, Spicer LJ, Wettemann RP. Metabolic status, gonadotropin secretion, and ovarian function during acute nutrient restriction of beef heifers. J Anim Sci. 2013 Sep; 91(9):4146-57. PMID: 23825346.
      Citations: 2     Fields:    Translation:Animals
    56. Aad PY, Echternkamp SE, Sypherd DD, Schreiber NB, Spicer LJ. The hedgehog system in ovarian follicles of cattle selected for twin ovulations and births: evidence of a link between the IGF and hedgehog systems. Biol Reprod. 2012 Oct; 87(4):79. PMID: 22811575.
      Citations: 13     Fields:    Translation:AnimalsCells
    57. Schreiber NB, Totty ML, Spicer LJ. Expression and effect of fibroblast growth factor 9 in bovine theca cells. J Endocrinol. 2012 Oct; 215(1):167-75. PMID: 22872763.
      Citations: 13     Fields:    Translation:AnimalsCells
    58. Schreiber NB, Spicer LJ. Effects of fibroblast growth factor 9 (FGF9) on steroidogenesis and gene expression and control of FGF9 mRNA in bovine granulosa cells. Endocrinology. 2012 Sep; 153(9):4491-501. PMID: 22798350.
      Citations: 19     Fields:    Translation:AnimalsCells
    59. Castañon BI, Stapp AD, Gifford CA, Spicer LJ, Hallford DM, Hernandez Gifford JA. Follicle-stimulating hormone regulation of estradiol production: possible involvement of WNT2 and ß-catenin in bovine granulosa cells. J Anim Sci. 2012 Nov; 90(11):3789-97. PMID: 22696613.
      Citations: 30     Fields:    Translation:AnimalsCells
    60. Echternkamp SE, Aad PY, Eborn DR, Spicer LJ. Increased abundance of aromatase and follicle stimulating hormone receptor mRNA and decreased insulin-like growth factor-2 receptor mRNA in small ovarian follicles of cattle selected for twin births. J Anim Sci. 2012 Jul; 90(7):2193-200. PMID: 22266997.
      Citations: 3     Fields:    Translation:HumansAnimals
    61. Caldwell LC, Chase CC, Riley DG, Coleman SW, Phillips WA, Spicer LJ, Welsh TH, Randel RD. The influence of tropical adaptation on plasma concentrations of insulin-like growth factor-I in purebred and crossbred beef cattle. J Anim Sci. 2011 Dec; 89(12):4017-22. PMID: 21724947.
      Citations:    Fields:    Translation:Animals
    62. Chase CC, Elsasser TH, Spicer LJ, Riley DG, Lucy MC, Hammond AC, Olson TA, Coleman SW. Effect of growth hormone administration to mature miniature Brahman cattle treated with or without insulin on circulating concentrations of insulin-like growth factor-I and other metabolic hormones and metabolites. Domest Anim Endocrinol. 2011 Jul; 41(1):1-13. PMID: 21420268.
      Citations: 1     Fields:    Translation:Animals
    63. Grado-Ahuir JA, Aad PY, Spicer LJ. New insights into the pathogenesis of cystic follicles in cattle: microarray analysis of gene expression in granulosa cells. J Anim Sci. 2011 Jun; 89(6):1769-86. PMID: 21239663.
      Citations: 15     Fields:    Translation:Animals
    64. Spicer LJ, Schreiber NB, Lagaly DV, Aad PY, Douthit LB, Grado-Ahuir JA. Effect of resistin on granulosa and theca cell function in cattle. Anim Reprod Sci. 2011 Mar; 124(1-2):19-27. PMID: 21315524.
      Citations: 17     Fields:    Translation:AnimalsCells
    65. Caloni F, Ranzenigo G, Cremonesi F, Spicer LJ. Effects of a trichothecene, T-2 toxin, on proliferation and steroid production by porcine granulosa cells. Toxicon. 2009 Sep 01; 54(3):337-44. PMID: 19463844.
      Citations: 4     Fields:    Translation:AnimalsCells
    66. Spicer LJ, Sudo S, Aad PY, Wang LS, Chun SY, Ben-Shlomo I, Klein C, Hsueh AJ. The hedgehog-patched signaling pathway and function in the mammalian ovary: a novel role for hedgehog proteins in stimulating proliferation and steroidogenesis of theca cells. Reproduction. 2009 Aug; 138(2):329-39. PMID: 19433502.
      Citations: 34     Fields:    Translation:HumansAnimalsCells
    67. Grado-Ahuir JA, Aad PY, Ranzenigo G, Caloni F, Cremonesi F, Spicer LJ. Microarray analysis of insulin-like growth factor-I-induced changes in messenger ribonucleic acid expression in cultured porcine granulosa cells: possible role of insulin-like growth factor-I in angiogenesis. J Anim Sci. 2009 Jun; 87(6):1921-33. PMID: 19251926.
      Citations: 12     Fields:    Translation:AnimalsCells
    68. Velazquez MA, Spicer LJ, Wathes DC. The role of endocrine insulin-like growth factor-I (IGF-I) in female bovine reproduction. Domest Anim Endocrinol. 2008 Nov; 35(4):325-42. PMID: 18703307.
      Citations: 19     Fields:    Translation:Animals
    69. Lents CA, White FJ, Ciccioli NH, Wettemann RP, Spicer LJ, Lalman DL. Effects of body condition score at parturition and postpartum protein supplementation on estrous behavior and size of the dominant follicle in beef cows. J Anim Sci. 2008 Oct; 86(10):2549-56. PMID: 18502876.
      Citations: 8     Fields:    Translation:Animals
    70. Lehloenya KV, Stein DR, Allen DT, Selk GE, Jones DA, Aleman MM, Rehberger TG, Mertz KJ, Spicer LJ. Effects of feeding yeast and propionibacteria to dairy cows on milk yield and components, and reproduction*. J Anim Physiol Anim Nutr (Berl). 2008 Apr; 92(2):190-202. PMID: 18336416.
      Citations: 5     Fields:    Translation:AnimalsCells
    71. de Castro E Paula LA, Andrzejewski J, Julian D, Spicer LJ, Hansen PJ. Oxygen and steroid concentrations in preovulatory follicles of lactating dairy cows exposed to acute heat stress. Theriogenology. 2008 Apr 15; 69(7):805-13. PMID: 18243293.
      Citations: 4     Fields:    Translation:Animals
    72. Lehloenya KV, Krehbiel CR, Mertz KJ, Rehberger TG, Spicer LJ. Effects of propionibacteria and yeast culture fed to steers on nutrient intake and site and extent of digestion. J Dairy Sci. 2008 Feb; 91(2):653-62. PMID: 18218753.
      Citations: 5     Fields:    Translation:AnimalsCells
    73. Lagaly DV, Aad PY, Grado-Ahuir JA, Hulsey LB, Spicer LJ. Role of adiponectin in regulating ovarian theca and granulosa cell function. Mol Cell Endocrinol. 2008 Mar 12; 284(1-2):38-45. PMID: 18289773.
      Citations: 47     Fields:    Translation:HumansAnimalsCells
    74. Spicer LJ, Aad PY, Allen DT, Mazerbourg S, Payne AH, Hsueh AJ. Growth differentiation factor 9 (GDF9) stimulates proliferation and inhibits steroidogenesis by bovine theca cells: influence of follicle size on responses to GDF9. Biol Reprod. 2008 Feb; 78(2):243-53. PMID: 17959852.
      Citations: 33     Fields:    Translation:AnimalsCells
    75. White FJ, Rubio I, Lents CA, Ciccioli NH, Wettemann RP, Spicer LJ. Effect of days after calving on insulin-like growth factor-I, insulin-like growth factor binding proteins, progesterone, androstenedione, estradiol, and aromatase mRNA in dominant follicles of postpartum beef cows. Anim Reprod Sci. 2008 Nov; 108(3-4):364-74. PMID: 17981409.
      Citations: 2     Fields:    Translation:Animals
    76. Flanagan AM, Brown JL, Santiago CA, Aad PY, Spicer LJ, Spicer MT. High-fat diets promote insulin resistance through cytokine gene expression in growing female rats. J Nutr Biochem. 2008 Aug; 19(8):505-513. PMID: 17904344.
      Citations: 21     Fields:    Translation:Animals
    77. Spicer LJ, Bossis I, Wettemann RP. Effect of plasma from cyclic versus nutritionally induced anovulatory beef heifers on proliferation of granulosa cells in vitro. Domest Anim Endocrinol. 2008 Apr; 34(3):250-3. PMID: 17764867.
      Citations:    Fields:    Translation:AnimalsCells
    78. Ranzenigo G, Caloni F, Cremonesi F, Aad PY, Spicer LJ. Effects of Fusarium mycotoxins on steroid production by porcine granulosa cells. Anim Reprod Sci. 2008 Aug; 107(1-2):115-30. PMID: 17656051.
      Citations: 15     Fields:    Translation:AnimalsCells
    79. Spicer LJ, Aad PY. Insulin-like growth factor (IGF) 2 stimulates steroidogenesis and mitosis of bovine granulosa cells through the IGF1 receptor: role of follicle-stimulating hormone and IGF2 receptor. Biol Reprod. 2007 Jul; 77(1):18-27. PMID: 17360960.
      Citations: 41     Fields:    Translation:AnimalsCells
    80. Aleman MM, Stein DR, Allen DT, Perry E, Lehloenya KV, Rehberger TG, Mertz KJ, Jones DA, Spicer LJ. Effects of feeding two levels of propionibacteria to dairy cows on plasma hormones and metabolites. J Dairy Res. 2007 May; 74(2):146-53. PMID: 17227593.
      Citations: 1     Fields:    Translation:AnimalsCells
    81. Spicer LJ, Aad PY, Allen D, Mazerbourg S, Hsueh AJ. Growth differentiation factor-9 has divergent effects on proliferation and steroidogenesis of bovine granulosa cells. J Endocrinol. 2006 May; 189(2):329-39. PMID: 16648300.
      Citations: 31     Fields:    Translation:AnimalsCells
    82. Aad PY, Voge JL, Santiago CA, Malayer JR, Spicer LJ. Real-time RT-PCR quantification of pregnancy-associated plasma protein-A mRNA abundance in bovine granulosa and theca cells: effects of hormones in vitro. Domest Anim Endocrinol. 2006 Nov; 31(4):357-72. PMID: 16439093.
      Citations: 8     Fields:    Translation:AnimalsCells
    83. Stein DR, Allen DT, Perry EB, Bruner JC, Gates KW, Rehberger TG, Mertz K, Jones D, Spicer LJ. Effects of feeding propionibacteria to dairy cows on milk yield, milk components, and reproduction. J Dairy Sci. 2006 Jan; 89(1):111-25. PMID: 16357273.
      Citations: 20     Fields:    Translation:AnimalsCells
    84. Ashworth MD, Ross JW, Stein DR, Allen DT, Spicer LJ, Geisert RD. Endocrine disruption of uterine insulin-like growth factor expression in the pregnant gilt. Reproduction. 2005 Oct; 130(4):545-51. PMID: 16183872.
      Citations: 7     Fields:    Translation:Animals
    85. Spicer LJ. Effects of estradiol on bovine thecal cell function in vitro: dependence on insulin and gonadotropins. J Dairy Sci. 2005 Jul; 88(7):2412-21. PMID: 15956304.
      Citations: 9     Fields:    Translation:AnimalsCells
    86. Spicer LJ, Santiago CA, Davidson TR, Bridges TS, Chamberlain CS. Follicular fluid concentrations of free insulin-like growth factor (IGF)-I during follicular development in mares. Domest Anim Endocrinol. 2005 Nov; 29(4):573-81. PMID: 16213990.
      Citations: 3     Fields:    Translation:Animals
    87. Lents CA, Wettemann RP, White FJ, Rubio I, Ciccioli NH, Spicer LJ, Keisler DH, Payton ME. Influence of nutrient intake and body fat on concentrations of insulin-like growth factor-I, insulin, thyroxine, and leptin in plasma of gestating beef cows. J Anim Sci. 2005 Mar; 83(3):586-96. PMID: 15705755.
      Citations: 6     Fields:    Translation:Animals
    88. Hayashi K, Carpenter KD, Welsh TH, Burghardt RC, Spicer LJ, Spencer TE. The IGF system in the neonatal ovine uterus. Reproduction. 2005 Mar; 129(3):337-47. PMID: 15749960.
      Citations: 5     Fields:    Translation:Animals
    89. Santiago CA, Voge JL, Aad PY, Allen DT, Stein DR, Malayer JR, Spicer LJ. Pregnancy-associated plasma protein-A and insulin-like growth factor binding protein mRNAs in granulosa cells of dominant and subordinate follicles of preovulatory cattle. Domest Anim Endocrinol. 2005 Jan; 28(1):46-63. PMID: 15620806.
      Citations: 12     Fields:    Translation:AnimalsCells
    90. Voge JL, Aad PY, Santiago CA, Goad DW, Malayer JR, Allen D, Spicer LJ. Effect of insulin-like growth factors (IGF), FSH, and leptin on IGF-binding-protein mRNA expression in bovine granulosa and theca cells: quantitative detection by real-time PCR. Peptides. 2004 Dec; 25(12):2195-203. PMID: 15572210.
      Citations: 10     Fields:    Translation:AnimalsCells
    91. Spicer LJ, Voge JL, Allen DT. Insulin-like growth factor-II stimulates steroidogenesis in cultured bovine thecal cells. Mol Cell Endocrinol. 2004 Nov 30; 227(1-2):1-7. PMID: 15501579.
      Citations: 6     Fields:    Translation:AnimalsCells
    92. Voge JL, Santiago CA, Aad PY, Goad DW, Malayer JR, Spicer LJ. Quantification of insulin-like growth factor binding protein mRNA using real-time PCR in bovine granulosa and theca cells: effect of estradiol, insulin, and gonadotropins. Domest Anim Endocrinol. 2004 Apr; 26(3):241-58. PMID: 15036378.
      Citations: 9     Fields:    Translation:AnimalsCells
    93. Echternkamp SE, Roberts AJ, Lunstra DD, Wise T, Spicer LJ. Ovarian follicular development in cattle selected for twin ovulations and births. J Anim Sci. 2004 Feb; 82(2):459-71. PMID: 14974544.
      Citations: 19     Fields:    Translation:HumansAnimals
    94. Spicer LJ. Proteolytic degradation of insulin-like growth factor binding proteins by ovarian follicles: a control mechanism for selection of dominant follicles. Biol Reprod. 2004 May; 70(5):1223-30. PMID: 14668213.
      Citations: 16     Fields:    Translation:HumansAnimals
    95. Ciccioli NH, Wettemann RP, Spicer LJ, Lents CA, White FJ, Keisler DH. Influence of body condition at calving and postpartum nutrition on endocrine function and reproductive performance of primiparous beef cows. J Anim Sci. 2003 Dec; 81(12):3107-20. PMID: 14677867.
      Citations: 15     Fields:    Translation:Animals
    96. Francisco CC, Spicer LJ, Payton ME. Predicting cholesterol, progesterone, and days to ovulation using postpartum metabolic and endocrine measures. J Dairy Sci. 2003 Sep; 86(9):2852-63. PMID: 14507021.
      Citations: 4     Fields:    Translation:Animals
    97. Sparks AL, Kirkpatrick JG, Chamberlain CS, Waldner D, Spicer LJ. Insulin-like growth factor-I and its binding proteins in colostrum compared to measures in serum of Holstein neonates. J Dairy Sci. 2003 Jun; 86(6):2022-9. PMID: 12836938.
      Citations: 5     Fields:    Translation:Animals
    98. Prado TM, Wettemann RP, Spicer LJ, Vizcarra JA, Morgan GL. Influence of exogenous gonadotropin-releasing hormone on ovarian function in beef cows after short- and long-term nutritionally induced anovulation. J Anim Sci. 2002 Dec; 80(12):3268-76. PMID: 12542168.
      Citations: 1     Fields:    Translation:Animals
    99. Brown JL, Spicer MT, Spicer LJ. Effect of high-fat diet on body composition and hormone responses to glucose tolerance tests. Endocrine. 2002 Dec; 19(3):327-32. PMID: 12624434.
      Citations: 11     Fields:    Translation:Animals
    100. Francisco CC, Chamberlain CS, Waldner DN, Wettemann RP, Spicer LJ. Propionibacteria fed to dairy cows: effects on energy balance, plasma metabolites and hormones, and reproduction. J Dairy Sci. 2002 Jul; 85(7):1738-51. PMID: 12201525.
      Citations: 5     Fields:    Translation:AnimalsCells
    101. Davidson TR, Chamberlain CS, Bridges TS, Spicer LJ. Effect of follicle size on in vitro production of steroids and insulin-like growth factor (IGF)-I, IGF-II, and the IGF-binding proteins by equine ovarian granulosa cells. Biol Reprod. 2002 Jun; 66(6):1640-8. PMID: 12021042.
      Citations: 6     Fields:    Translation:AnimalsCells
    102. Khan SA, Ndjountche L, Pratchard L, Spicer LJ, Davis JS. Follicle-stimulating hormone amplifies insulin-like growth factor I-mediated activation of AKT/protein kinase B signaling in immature rat Sertoli cells. Endocrinology. 2002 Jun; 143(6):2259-67. PMID: 12021190.
      Citations: 24     Fields:    Translation:HumansAnimalsCells
    103. Spicer LJ, Chamberlain CS, Maciel SM. Influence of gonadotropins on insulin- and insulin-like growth factor-I (IGF-I)-induced steroid production by bovine granulosa cells. Domest Anim Endocrinol. 2002 Jun; 22(4):237-54. PMID: 12044613.
      Citations: 21     Fields:    Translation:AnimalsCells
    104. Spicer LJ, Chamberlain CS. Estradiol and luteinizing hormone regulation of insulin-like growth factor binding protein production by bovine granulosa and thecal cells. Endocrine. 2002 Apr; 17(3):161-8. PMID: 12108515.
      Citations: 1     Fields:    Translation:AnimalsCells
    105. Spicer LJ, Chase CC, Rutter LM. Relationship between serum insulin-like growth factor-I and genotype during the postpartum interval in beef cows. J Anim Sci. 2002 Mar; 80(3):716-22. PMID: 11890407.
      Citations: 1     Fields:    Translation:Animals
    106. Bridges TS, Davidson TR, Chamberlain CS, Geisert RD, Spicer LJ. Changes in follicular fluid steroids, insulin-like growth factors (IGF) and IGF-binding protein concentration, and proteolytic activity during equine follicular development. J Anim Sci. 2002 Jan; 80(1):179-90. PMID: 11831514.
      Citations: 3     Fields:    Translation:Animals
    107. Spicer LJ. Leptin: a possible metabolic signal affecting reproduction. Domest Anim Endocrinol. 2001 Nov; 21(4):251-70. PMID: 11872320.
      Citations: 15     Fields:    Translation:HumansAnimalsCells
    108. Maciel SM, Chamberlain CS, Wettemann RP, Spicer LJ. Dexamethasone influences endocrine and ovarian function in dairy cattle. J Dairy Sci. 2001 Sep; 84(9):1998-2009. PMID: 11573779.
      Citations: 4     Fields:    Translation:Animals
    109. Chamberlain CS, Spicer LJ. Hormonal control of ovarian cell production of insulin-like growth factor binding proteins. Mol Cell Endocrinol. 2001 Aug 20; 182(1):69-81. PMID: 11500240.
      Citations: 5     Fields:    Translation:AnimalsCells
    110. Spicer LJ. Receptors for insulin-like growth factor-I and tumor necrosis factor-alpha are hormonally regulated in bovine granulosa and thecal cells. Anim Reprod Sci. 2001 Jul 03; 67(1-2):45-58. PMID: 11408113.
      Citations: 2     Fields:    Translation:HumansAnimalsCells
    111. Spicer LJ, Chamberlain CS, Morgan GL. Proteolysis of insulin-like growth factor binding proteins during preovulatory follicular development in cattle. Domest Anim Endocrinol. 2001 Jul; 21(1):1-15. PMID: 11524170.
      Citations: 8     Fields:    Translation:Animals
    112. Ditchkoff SS, Spicer LJ, Masters RE, Lochmiller RL. Concentrations of insulin-like growth factor-I in adult male white-tailed deer (Odocoileus virginianus): associations with serum testosterone, morphometrics and age during and after the breeding season. Comp Biochem Physiol A Mol Integr Physiol. 2001 Jul; 129(4):887-95. PMID: 11440874.
      Citations: 8     Fields:    Translation:Animals
    113. Geisert RD, Chamberlain CS, Vonnahme KA, Malayer JR, Spicer LJ. Possible role of kallikrein in proteolysis of insulin-like growth factor binding proteins during the oestrous cycle and early pregnancy in pigs. Reproduction. 2001 May; 121(5):719-28. PMID: 11427159.
      Citations: 4     Fields:    Translation:HumansAnimalsCells
    114. Spicer LJ, Alonso J, Chamberlain CS. Effects of thyroid hormones on bovine granulosa and thecal cell function in vitro: dependence on insulin and gonadotropins. J Dairy Sci. 2001 May; 84(5):1069-76. PMID: 11384033.
      Citations: 9     Fields:    Translation:AnimalsCells
    115. Enright WJ, Spicer LJ, Kelly M, Culleton N, Prendiville DJ. Energy level in winter diets of Fallow deer: effect on plasma levels of insulin-like growth factor-I and sex ratio of their offspring. Small Rumin Res. 2001 Mar; 39(3):253-259. PMID: 11230961.
      Citations: 6     
    116. Spicer LJ, Chamberlain CS. Production of insulin-like growth factor-I by granulosa cells but not thecal cells is hormonally responsive in cattle. J Anim Sci. 2000 Nov; 78(11):2919-26. PMID: 11063317.
      Citations:    Fields:    Translation:AnimalsCells
    117. Bossis I, Wettemann RP, Welty SD, Vizcarra J, Spicer LJ. Nutritionally induced anovulation in beef Heifers: ovarian and endocrine function during realimentation and resumption of ovulation. Biol Reprod. 2000 May; 62(5):1436-44. PMID: 10775198.
      Citations: 8     Fields:    Translation:Animals
    118. Alvarez P, Spicer LJ, Chase CC, Payton ME, Hamilton TD, Stewart RE, Hammond AC, Olson TA, Wettemann RP. Ovarian and endocrine characteristics during an estrous cycle in Angus, Brahman, and Senepol cows in a subtropical environment. J Anim Sci. 2000 May; 78(5):1291-302. PMID: 10834585.
      Citations: 6     Fields:    Translation:Animals
    119. O'Callaghan D, Yaakub H, Hyttel P, Spicer LJ, Boland MP. Effect of nutrition and superovulation on oocyte morphology, follicular fluid composition and systemic hormone concentrations in ewes. J Reprod Fertil. 2000 Mar; 118(2):303-13. PMID: 10864794.
      Citations: 12     Fields:    Translation:AnimalsCells
    120. Spicer LJ, Chamberlain CS, Francisco CC. Ovarian action of leptin: effects on insulin-like growth factor-I-stimulated function of granulosa and thecal cells. Endocrine. 2000 Feb; 12(1):53-9. PMID: 10855691.
      Citations: 9     Fields:    Translation:HumansAnimalsCells
    121. Spicer LJ, Alvarez P, Prado TM, Morgan GL, Hamilton TD. Effects of intraovarian infusion of insulin-like growth factor-I on ovarian follicular function in cattle. Domest Anim Endocrinol. 2000 Feb; 18(2):265-78. PMID: 10764981.
      Citations: 3     Fields:    Translation:HumansAnimals
    122. Hamilton TD, Vizcarra JA, Wettemann RP, Keefer BE, Spicer LJ. Ovarian function in nutritionally induced anoestrous cows: effect of exogenous gonadotrophin-releasing hormone in vivo and effect of insulin and insulin-like growth factor I in vitro. J Reprod Fertil. 1999 Sep; 117(1):179-87. PMID: 10645259.
      Citations:    Fields:    Translation:AnimalsCells
    123. Bossis I, Wettemann RP, Welty SD, Vizcarra JA, Spicer LJ, Diskin MG. Nutritionally induced anovulation in beef heifers: ovarian and endocrine function preceding cessation of ovulation. J Anim Sci. 1999 Jun; 77(6):1536-46. PMID: 10375231.
      Citations: 9     Fields:    Translation:Animals
    124. Spicer LJ, Chamberlain CS. Insulin-like growth factor binding protein-3: its biological effect on bovine granulosa cells. Domest Anim Endocrinol. 1999 Jan; 16(1):19-29. PMID: 10081660.
      Citations: 2     Fields:    Translation:AnimalsCells
    125. Spicer MT, Stoecker BJ, Chen T, Spicer LJ. Maternal and fetal insulin-like growth factor system and embryonic survival during pregnancy in rats: interaction between dietary chromium and diabetes. J Nutr. 1998 Dec; 128(12):2341-7. PMID: 9868179.
      Citations: 2     Fields:    Translation:Animals
    126. Stagg K, Spicer LJ, Sreenan JM, Roche JF, Diskin MG. Effect of calf isolation on follicular wave dynamics, gonadotropin and metabolic hormone changes, and interval to first ovulation in beef cows fed either of two energy levels postpartum. Biol Reprod. 1998 Oct; 59(4):777-83. PMID: 9746725.
      Citations: 7     Fields:    Translation:Animals
    127. Spicer LJ, Chamberlain CS. Influence of cortisol on insulin- and insulin-like growth factor 1 (IGF-1)-induced steroid production and on IGF-1 receptors in cultured bovine granulosa cells and thecal cells. Endocrine. 1998 Oct; 9(2):153-61. PMID: 9867249.
      Citations: 21     Fields:    Translation:AnimalsCells
    128. Spicer LJ. Tumor necrosis factor-alpha (TNF-alpha) inhibits steroidogenesis of bovine ovarian granulosa and thecal cells in vitro. Involvement of TNF-alpha receptors. Endocrine. 1998 Apr; 8(2):109-15. PMID: 9704567.
      Citations: 13     Fields:    Translation:AnimalsCells
    129. Spicer LJ, Francisco CC. Adipose obese gene product, leptin, inhibits bovine ovarian thecal cell steroidogenesis. Biol Reprod. 1998 Jan; 58(1):207-12. PMID: 9472942.
      Citations: 17     Fields:    Translation:AnimalsCells
    130. Simpson RB, Chase CC, Spicer LJ, Carroll JA, Hammond AC, Welsh TH. Effect of exogenous estradiol on plasma concentrations of somatotropin, insulin-like growth factor-I, insulin-like growth factor binding protein activity, and metabolites in ovariectomized Angus and Brahman cows. Domest Anim Endocrinol. 1997 Nov; 14(6):367-80. PMID: 9437573.
      Citations: 1     Fields:    Translation:Animals
    131. Spicer LJ, Francisco CC. The adipose obese gene product, leptin: evidence of a direct inhibitory role in ovarian function. Endocrinology. 1997 Aug; 138(8):3374-9. PMID: 9231790.
      Citations: 33     Fields:    Translation:AnimalsCells
    132. Spicer LJ, Stewart RE, Alvarez P, Francisco CC, Keefer BE. Insulin-like growth factor-binding protein-2 and -3: their biological effects in bovine thecal cells. Biol Reprod. 1997 Jun; 56(6):1458-65. PMID: 9166698.
      Citations: 3     Fields:    Translation:HumansAnimalsCells
    133. Spicer LJ, Hamilton TD, Keefer BE. Insulin-like growth factor I enhancement of steroidogenesis by bovine granulosa cells and thecal cells: dependence on de novo cholesterol synthesis. J Endocrinol. 1996 Dec; 151(3):365-73. PMID: 8994382.
      Citations: 5     Fields:    Translation:AnimalsCells
    134. Yelich JV, Wettemann RP, Marston TT, Spicer LJ. Luteinizing hormone, growth hormone, insulin-like growth factor-I, insulin and metabolites before puberty in heifers fed to gain at two rates. Domest Anim Endocrinol. 1996 Jul; 13(4):325-38. PMID: 8839626.
      Citations: 9     Fields:    Translation:Animals
    135. Stewart RE, Spicer LJ, Hamilton TD, Keefer BE, Dawson LJ, Morgan GL, Echternkamp SE. Levels of insulin-like growth factor (IGF) binding proteins, luteinizing hormone and IGF-I receptors, and steroids in dominant follicles during the first follicular wave in cattle exhibiting regular estrous cycles. Endocrinology. 1996 Jul; 137(7):2842-50. PMID: 8770905.
      Citations: 15     Fields:    Translation:AnimalsCells
    136. Spicer LJ, Stewart RE. Interaction among bovine somatotropin, insulin, and gonadotropins on steroid production by bovine granulosa and thecal cells. J Dairy Sci. 1996 May; 79(5):813-21. PMID: 8792280.
      Citations: 8     Fields:    Translation:AnimalsCells
    137. Bishop DK, Wettemann RP, Yelich JV, Spicer LJ. Ovarian response after gonadotropin treatment of heifers immunized against gonadotropin-releasing hormone. J Anim Sci. 1996 May; 74(5):1092-7. PMID: 8726742.
      Citations: 3     Fields:    Translation:HumansAnimalsPHPublic Health
    138. Spicer LJ, Stewart RE. Interactions among basic fibroblast growth factor, epidermal growth factor, insulin, and insulin-like growth factor-I (IGF-I) on cell numbers and steroidogenesis of bovine thecal cells: role of IGF-I receptors. Biol Reprod. 1996 Jan; 54(1):255-63. PMID: 8838024.
      Citations: 9     Fields:    Translation:AnimalsCells
    139. de Rodas BZ, Sohn KS, Maxwell CV, Spicer LJ. Plasma protein for pigs weaned at 19 to 24 days of age: effect on performance and plasma insulin-like growth factor I, growth hormone, insulin, and glucose concentrations. J Anim Sci. 1995 Dec; 73(12):3657-65. PMID: 8655441.
      Citations: 4     Fields:    Translation:Animals
    140. Stewart RE, Spicer LJ, Hamilton TD, Keefer BE. Effects of insulin-like growth factor I and insulin on proliferation and on basal and luteinizing hormone-induced steroidogenesis of bovine thecal cells: involvement of glucose and receptors for insulin-like growth factor I and luteinizing hormone. J Anim Sci. 1995 Dec; 73(12):3719-31. PMID: 8655449.
      Citations: 21     Fields:    Translation:AnimalsCells
    141. Rajagopala Raja CA, Spicer LJ, Stewart RE. Interleukin-2 affects steroidogenesis and numbers of bovine ovarian granulosa cells but not thecal cellsin vitro. Endocrine. 1995 Dec; 3(12):899-905. PMID: 21153218.
      Citations: 4     Fields:    
    142. Yelich JV, Wettemann RP, Dolezal HG, Lusby KS, Bishop DK, Spicer LJ. Effects of growth rate on carcass composition and lipid partitioning at puberty and growth hormone, insulin-like growth factor I, insulin, and metabolites before puberty in beef heifers. J Anim Sci. 1995 Aug; 73(8):2390-405. PMID: 8567477.
      Citations: 7     Fields:    Translation:Animals
    143. Spicer LJ, Echternkamp SE. The ovarian insulin and insulin-like growth factor system with an emphasis on domestic animals. Domest Anim Endocrinol. 1995 Jul; 12(3):223-45. PMID: 7587167.
      Citations: 32     Fields:    Translation:AnimalsCells
    144. Clutter AC, Spicer LJ, Woltmann MD, Grimes RW, Hammond JM, Buchanan DS. Plasma growth hormone, insulin-like growth factor I, and insulin-like growth factor binding proteins in pigs with divergent genetic merit for postweaning average daily gain. J Anim Sci. 1995 Jun; 73(6):1776-83. PMID: 7545660.
      Citations: 7     Fields:    Translation:Animals
    145. Spicer LJ, Echternkamp SE, Wong EA, Hamilton DT, Vernon RK. Serum hormones, follicular fluid steroids, insulin-like growth factors and their binding proteins, and ovarian IGF mRNA in sheep with different ovulation rates. J Anim Sci. 1995 Apr; 73(4):1152-63. PMID: 7543085.
      Citations:    Fields:    Translation:AnimalsCells
    146. Simpson RB, Chase CC, Spicer LJ, Vernon RK, Hammond AC, Rae DO. Effect of exogenous insulin on plasma and follicular insulin-like growth factor I, insulin-like growth factor binding protein activity, follicular oestradiol and progesterone, and follicular growth in superovulated Angus and Brahman cows. J Reprod Fertil. 1994 Nov; 102(2):483-92. PMID: 7532225.
      Citations: 9     Fields:    Translation:Animals
    147. Vernon RK, Spicer LJ. Effects of basic fibroblast growth factor and heparin on follicle-stimulating hormone-induced steroidogenesis by bovine granulosa cells. J Anim Sci. 1994 Oct; 72(10):2696-702. PMID: 7883629.
      Citations: 10     Fields:    Translation:AnimalsCells
    148. Bishop DK, Wettemann RP, Spicer LJ. Body energy reserves influence the onset of luteal activity after early weaning of beef cows. J Anim Sci. 1994 Oct; 72(10):2703-8. PMID: 7883630.
      Citations: 4     Fields:    Translation:Animals
    149. Echternkamp SE, Spicer LJ, Klindt J, Vernon RK, Yen JT, Buonomo FC. Administration of porcine somatotropin by a sustained-release implant: effect on follicular growth, concentrations of steroids and insulin-like growth factor I, and insulin-like growth factor binding protein activity in follicular fluid of control, lean, and obese gilts. J Anim Sci. 1994 Sep; 72(9):2431-40. PMID: 7528195.
      Citations:    Fields:    Translation:Animals
    150. Spicer LJ, Alpizar E, Vernon RK. Insulin-like growth factor-I receptors in ovarian granulosa cells: effect of follicle size and hormones. Mol Cell Endocrinol. 1994 Jun; 102(1-2):69-76. PMID: 7926275.
      Citations: 3     Fields:    Translation:AnimalsCells
    151. Spicer LJ, Alpizar E. Effects of cytokines on FSH-induced estradiol production by bovine granulosa cells in vitro: dependence on size of follicle. Domest Anim Endocrinol. 1994 Jan; 11(1):25-34. PMID: 8124930.
      Citations: 15     Fields:    Translation:AnimalsCells
    152. Alpizar E, Spicer LJ. Effects of interleukin-6 on proliferation and follicle-stimulating hormone-induced estradiol production by bovine granulosa cells in vitro: dependence on size of follicle. Biol Reprod. 1994 Jan; 50(1):38-43. PMID: 8312448.
      Citations: 13     Fields:    Translation:AnimalsCells
    153. Enright WJ, Spicer LJ, Prendiville DJ, Murphy MG, Campbell RM. Interaction between dietary intake and ovariectomy on concentrations of insulin-like growth factor-I, GH and LH in plasma of heifers. Theriogenology. 1994; 41(6):1231-40. PMID: 16727476.
      Citations: 1     Fields:    
    154. Enright WJ, Prendiville DJ, Spicer LJ, Stricker PR, Moloney AP, Mowles TF, Campbell RM. Effects of growth hormone-releasing factor and(or) thyrotropin-releasing hormone on growth, feed efficiency, carcass characteristics, and blood hormones and metabolites in beef heifers. J Anim Sci. 1993 Sep; 71(9):2395-405. PMID: 8407651.
      Citations: 2     Fields:    Translation:Animals
    155. Spicer LJ, Vernon RK, Tucker WB, Wettemann RP, Hogue JF, Adams GD. Effects of inert fat on energy balance, plasma concentrations of hormones, and reproduction in dairy cows. J Dairy Sci. 1993 Sep; 76(9):2664-73. PMID: 8227668.
      Citations: 2     Fields:    Translation:Animals
    156. Spicer LJ, Alpizar E, Echternkamp SE. Effects of insulin, insulin-like growth factor I, and gonadotropins on bovine granulosa cell proliferation, progesterone production, estradiol production, and(or) insulin-like growth factor I production in vitro. J Anim Sci. 1993 May; 71(5):1232-41. PMID: 8505257.
      Citations: 24     Fields:    Translation:AnimalsCells
    157. Schmitt RA, Geisert RD, Morgan GL, Spicer LJ, Sohaili I. Effect of ovarian antral follicle cauterization on the interestrus interval of the gilt. Theriogenology. 1993 Apr; 39(4):975-84. PMID: 16727269.
      Citations:    Fields:    
    158. Spicer LJ, Hanrahan JP, Zavy MT, Enright WJ. Relationship between ovulation rate and concentrations of insulin-like growth factor-1 in plasma during the oestrous cycle in various genotypes of sheep. J Reprod Fertil. 1993 Mar; 97(2):403-9. PMID: 8501711.
      Citations: 2     Fields:    Translation:Animals
    159. Spicer LJ, Klindt J, Buonomo FC, Maurer R, Yen JT, Echternkamp SE. Effect of porcine somatotropin on number of granulosa cell luteinizing hormone/human chorionic gonadotropin receptors, oocyte viability, and concentrations of steroids and insulin-like growth factors I and II in follicular fluid of lean and obese gilts. J Anim Sci. 1992 Oct; 70(10):3149-57. PMID: 1385379.
      Citations: 2     Fields:    Translation:AnimalsCells
    160. Spicer LJ, Crowe MA, Prendiville DJ, Goulding D, Enright WJ. Systemic but not intraovarian concentrations of insulin-like growth factor-I are affected by short-term fasting. Biol Reprod. 1992 May; 46(5):920-5. PMID: 1591347.
      Citations: 5     Fields:    Translation:AnimalsCells
    161. Spicer LJ, Geisert RD. Concentrations of insulin-like growth factor-I, estradiol and progesterone in follicular fluid of ovarian follicles during early pregnancy in cattle. Theriogenology. 1992 Mar; 37(3):749-60. PMID: 16727076.
      Citations:    Fields:    
    162. Spicer LJ, Langhout DJ, Alpizar E, Williams SK, Campbell RM, Mowles TF, Enright WJ. Effects of growth hormone-releasing factor and vasoactive intestinal peptide on proliferation and steroidogenesis of bovine granulosa cells. Mol Cell Endocrinol. 1992 Jan; 83(1):73-8. PMID: 1551471.
      Citations: 1     Fields:    Translation:AnimalsCells
    163. Langhout DJ, Spicer LJ, Geisert RD. Development of a culture system for bovine granulosa cells: effects of growth hormone, estradiol, and gonadotropins on cell proliferation, steroidogenesis, and protein synthesis. J Anim Sci. 1991 Aug; 69(8):3321-34. PMID: 1894569.
      Citations: 27     Fields:    Translation:AnimalsCells
    164. Spicer LJ, Enright WJ, Murphy MG, Roche JF. Effect of dietary intake on concentrations of insulin-like growth factor-I in plasma and follicular fluid, and ovarian function in heifers. Domest Anim Endocrinol. 1991 Jul; 8(3):431-7. PMID: 1748002.
      Citations: 1     Fields:    Translation:Animals
    165. Murphy MG, Enright WJ, Crowe MA, McConnell K, Spicer LJ, Boland MP, Roche JF. Effect of dietary intake on pattern of growth of dominant follicles during the oestrous cycle in beef heifers. J Reprod Fertil. 1991 Jul; 92(2):333-8. PMID: 1886091.
      Citations: 11     Fields:    Translation:Animals
    166. Richards MW, Wettemann RP, Spicer LJ, Morgan GL. Nutritional anestrus in beef cows: effects of body condition and ovariectomy on serum luteinizing hormone and insulin-like growth factor-I. Biol Reprod. 1991 Jun; 44(6):961-6. PMID: 1873396.
      Citations: 2     Fields:    Translation:Animals
    167. Spicer LJ, Enright WJ. Concentrations of insulin-like growth factor I and steroids in follicular fluid of preovulatory bovine ovarian follicles: effect of daily injections of a growth hormone-releasing factor analog and(or) thyrotropin-releasing hormone. J Anim Sci. 1991 Mar; 69(3):1133-9. PMID: 1905710.
      Citations: 4     Fields:    Translation:Animals
    168. Tucker WB, Hogue JF, Waterman DF, Swenson TS, Xin Z, Hemken RW, Jackson JA, Adams GD, Spicer LJ. Role of sulfur and chloride in the dietary cation-anion balance equation for lactating dairy cattle. J Anim Sci. 1991 Mar; 69(3):1205-13. PMID: 2061250.
      Citations: 6     Fields:    Translation:Animals
    169. Spicer LJ, Kao LC, Strauss JF, Hammond JM. 2-hydroxyestradiol enhanced progesterone production by porcine granulosa cells: dependence on de novo cholesterol synthesis and stimulation of cholesterol side-chain cleavage activity and cytochrome P450scc messenger ribonucleic acid levels. Endocrinology. 1990 Dec; 127(6):2763-70. PMID: 2174335.
      Citations: 2     Fields:    Translation:AnimalsCells
    170. Echternkamp SE, Spicer LJ, Gregory KE, Canning SF, Hammond JM. Concentrations of insulin-like growth factor-I in blood and ovarian follicular fluid of cattle selected for twins. Biol Reprod. 1990 Jul; 43(1):8-14. PMID: 2393694.
      Citations: 9     Fields:    Translation:HumansAnimals
    171. Spicer LJ, Tucker WB, Adams GD. Insulin-like growth factor-I in dairy cows: relationships among energy balance, body condition, ovarian activity, and estrous behavior. J Dairy Sci. 1990 Apr; 73(4):929-37. PMID: 2345203.
      Citations: 7     Fields:    Translation:Animals
    172. Spicer LJ, Hammond JM. Regulation of ovarian function by catecholestrogens: current concepts. J Steroid Biochem. 1989 Oct; 33(4A):489-501. PMID: 2554062.
      Citations: 4     Fields:    Translation:HumansAnimals
    173. Spicer LJ, Hammond JM. Catecholestrogens inhibit proliferation and DNA synthesis of porcine granulosa cells in vitro: comparison with estradiol, 5 alpha-dihydrotestosterone, gonadotropins and catecholamines. Mol Cell Endocrinol. 1989 Jun; 64(1):119-26. PMID: 2547674.
      Citations: 2     Fields:    Translation:AnimalsCells
    174. Spicer LJ, Kiser TE, Leung K, Convey EM. High performance liquid chromatography of steroids in bovine adrenal glands: changes during the postpartum interval. J Steroid Biochem. 1989 May; 32(5):669-74. PMID: 2739407.
      Citations:    Fields:    Translation:Animals
    175. Spicer LJ, Hammond JM. Mechanism of action of 2-hydroxyestradiol on steroidogenesis in ovarian granulosa cells: interactions with catecholamines and gonadotropins involve cyclic adenosine monophosphate. Biol Reprod. 1989 Jan; 40(1):87-95. PMID: 2538165.
      Citations:    Fields:    Translation:AnimalsCells
    176. Spicer LJ, Echternkamp SE, Canning SF, Hammond JM. Relationship between concentrations of immunoreactive insulin-like growth factor-I in follicular fluid and various biochemical markers of differentiation in bovine antral follicles. Biol Reprod. 1988 Oct; 39(3):573-80. PMID: 3196791.
      Citations: 3     Fields:    Translation:Animals
    177. Spicer LJ, Hammond JM. Effects of 2-hydroxyestradiol on the number of granulosa cell beta-adrenergic receptors. Endocrinology. 1988 Jun; 122(6):2710-7. PMID: 2836172.
      Citations:    Fields:    Translation:AnimalsCells
    178. Spicer LJ, Hammond JM. Comparative effects of androgens and catecholestrogens on progesterone production by porcine granulosa cells. Mol Cell Endocrinol. 1988 Apr; 56(3):211-7. PMID: 2836247.
      Citations: 4     Fields:    Translation:AnimalsCells
    179. Spicer LJ, Zinn SA. Relationship between concentrations of cortisol in ovarian follicular fluid and various biochemical markers of follicular differentiation in cyclic and anovulatory cattle. J Reprod Fertil. 1987 Sep; 81(1):221-6. PMID: 3668952.
      Citations: 3     Fields:    Translation:Animals
    180. Spicer LJ, Hammond JM. 2-Hydroxyestradiol modulates a facilitative action of catecholamines on porcine granulosa cells. Endocrinology. 1987 Jun; 120(6):2375-82. PMID: 3032588.
      Citations:    Fields:    Translation:AnimalsCells
    181. Spicer LJ, Matton P, Echternkamp SE, Convey EM, Tucker HA. Relationships between histological signs of atresia, steroids in follicular fluid, and gonadotropin binding in individual bovine antral follicles during postpartum anovulation. Biol Reprod. 1987 May; 36(4):890-8. PMID: 3109516.
      Citations: 3     Fields:    Translation:Animals
    182. Spicer LJ, Walega MA, Hammond JM. Metabolism of [3H]2-hydroxyestradiol by cultured porcine granulosa cells: evidence for the presence of a catechol-O-methyltransferase pathway and a direct stimulatory effect of 2-methoxyestradiol on progesterone production. Biol Reprod. 1987 Apr; 36(3):562-71. PMID: 3593828.
      Citations: 1     Fields:    Translation:AnimalsCells
    183. Spicer LJ, Hammond JM. Catecholestrogens stimulate progestin secretion by cultured porcine granulosa cells. Mol Cell Endocrinol. 1987 Mar; 50(1-2):139-47. PMID: 3034696.
      Citations: 1     Fields:    Translation:AnimalsCells
    184. Spicer LJ, Tucker HA, Convey EM, Echternkamp SE. Comparison of surface diameters and dissected diameters of bovine ovarian follicles. J Anim Sci. 1987 Jan; 64(1):226-30. PMID: 3818485.
      Citations:    Fields:    Translation:Animals
    185. Spicer LJ. Catecholaminergic regulation of ovarian function in mammals: current concepts. Life Sci. 1986 Nov 10; 39(19):1701-11. PMID: 3534500.
      Citations: 2     Fields:    Translation:Animals
    186. Spicer LJ, Ireland JJ. Specific binding of 125I-labeled human chorionic gonadotropin to gonadal tissue: comparison of limited-point saturation analyses to Scatchard analyses for determining binding capacities and factors affecting estimates of binding capacity. Anal Biochem. 1986 Jul; 156(1):25-30. PMID: 3017149.
      Citations:    Fields:    Translation:Animals
    187. Spicer LJ, Convey EM, Tucker HA, Echternkamp SE. Effects of intermittent injections of LHRH on secretory patterns of LH and FSH and ovarian follicular growth during postpartum anovulation in suckled beef cows. J Anim Sci. 1986 May; 62(5):1317-23. PMID: 3087926.
      Citations:    Fields:    Translation:Animals
    188. Spicer LJ, Convey EM, Tucker HA, Echternkamp SE. Effects of intermittent injections of LHRH on specific binding of 125I-labeled gonadotropins to granulosa and theca, and concentrations of steroids in serum and ovarian follicles during postpartum anovulation in suckled beef cows. J Anim Sci. 1986 May; 62(5):1324-31. PMID: 3522520.
      Citations:    Fields:    Translation:AnimalsCells
    189. Spicer LJ, Convey EM, Leung K, Short RE, Tucker HA. Anovulation in postpartum suckled beef cows. II. Associations among binding of 125I-labeled gonadotropins to granulosa and thecal cells, and concentrations of steroids in serum and various sized ovarian follicles. J Anim Sci. 1986 Mar; 62(3):742-50. PMID: 3009380.
      Citations: 1     Fields:    Translation:AnimalsCells
    190. Spicer LJ, Leung K, Convey EM, Gunther J, Short RE, Tucker HA. Anovulation in postpartum suckled beef cows. I. Associations among size and numbers of ovarian follicles, uterine involution, and hormones in serum and follicular fluid. J Anim Sci. 1986 Mar; 62(3):734-41. PMID: 3700270.
      Citations: 1     Fields:    Translation:Animals
    191. Spicer LJ, Echternkamp SE. Ovarian follicular growth, function and turnover in cattle: a review. J Anim Sci. 1986 Feb; 62(2):428-51. PMID: 3007421.
      Citations: 19     Fields:    Translation:AnimalsCells
    192. Leung K, Padmanabhan V, Spicer LJ, Tucker HA, Short RE, Convey EM. Relationship between pituitary GnRH-binding sites and pituitary release of gonadotrophins in post-partum beef cows. J Reprod Fertil. 1986 Jan; 76(1):53-63. PMID: 3003358.
      Citations:    Fields:    Translation:Animals
    193. Tonetta SA, Spicer LJ, Ireland JJ. CI628 inhibits follicle-stimulating hormone (FSH)-induced increases in FSH receptors of the rat ovary: requirement of estradiol for FSH action. Endocrinology. 1985 Feb; 116(2):715-22. PMID: 2981676.
      Citations: 2     Fields:    Translation:Animals
    194. Spicer LJ, Sejrsen K, Tucker HA, Huber JT. Secretion of luteinizing hormone and follicle-stimulating hormone from overfeeding dairy heifers. J Dairy Sci. 1984 Sep; 67(9):1993-2000. PMID: 6436344.
      Citations:    Fields:    Translation:Animals
    195. Spicer LJ, Ireland JJ, Roche JF. Changes in serum LH, progesterone, and specific binding of 125I-hCG to luteal cells during regression and development of bovine corpora lutea. Biol Reprod. 1981 Nov; 25(4):832-41. PMID: 7197997.
      Citations:    Fields:    Translation:AnimalsCells
    196. Morrison MW, Davis SL, Spicer LJ. Age-associated changes in secretory patterns of growth hormone, prolactin and thyrotropin and the hormonal responses to thyrotropin-releasing hormone in rams. J Anim Sci. 1981 Jul; 53(1):160-70. PMID: 6798007.
      Citations:    Fields:    Translation:Animals
    197. Ohlson DL, Spicer LJ, Davis SL. Use of active immunization against prolactin to study the influence of prolactin on growth and reproduction in the ram. J Anim Sci. 1981 Jun; 52(6):1350-9. PMID: 7298522.
      Citations: 1     Fields:    Translation:AnimalsPHPublic Health
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