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Michelle C Callegan

TitleProf,George L Cross Rsrch
InstitutionUniversity of Oklahoma Health Sciences Center
AddressDMEI 418
608 Stanton L Young Blvd
Oklahoma City OK 73104
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    Collapse Research 
    Collapse research activities and funding
    R01EY032073     (CALLEGAN, MICHELLE C)Sep 1, 2021 - Jul 31, 2026
    Staphylococcus Biology in Ocular Infections
    Role: Principal Investigator

    R21EY031802     (CALLEGAN, MICHELLE C)Aug 1, 2020 - Jul 31, 2022
    Phage-Based Therapeutics for Ocular Infections
    Role: Principal Investigator

    R21EY028066     (CALLEGAN, MICHELLE C)Jan 1, 2019 - Dec 31, 2021
    Targeting Chemokines in Intraocular Infection
    Role: Principal Investigator

    R01EY028810     (CALLEGAN, MICHELLE C)Sep 1, 2018 - Jun 30, 2024
    Pathogenic Mechanisms of Bacillus Endophthalmitis
    Role: Principal Investigator

    R01EY025947     (CALLEGAN, MICHELLE C)Sep 30, 2015 - Aug 31, 2019
    Nanotherapeutics for Ocular Infections
    Role: Principal Investigator

    T32EY023202     (CALLEGAN, MICHELLE C)May 1, 2014 - Mar 31, 2026
    Vision Science Training Program
    Role: Co-Principal Investigator

    R01EY024140     (CALLEGAN, MICHELLE C)Jan 1, 2014 - Dec 31, 2018
    Vascular Permeability and Ocular Infections
    Role: Principal Investigator

    R21EY022466     (CALLEGAN, MICHELLE C)Dec 1, 2012 - Nov 30, 2015
    New Models of Endogenous Bacterial Endophthalmitis
    Role: Principal Investigator

    P30EY021725     (CALLEGAN, MICHELLE C)Sep 1, 2011 - Aug 31, 2026
    P30 Center Core Grant for Vision Research
    Role: Principal Investigator

    R01EY012985     (CALLEGAN, MICHELLE C)Jun 1, 2000 - Aug 31, 2014
    Mechanisms of Inflammation and Vision Loss in Endophthalmitis
    Role: Principal Investigator

    F32EY006813     (CALLEGAN, MICHELLE C)Aug 10, 1997
    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. Coburn PS, Miller FC, LaGrow AL, Mursalin H, Gregory A, Parrott A, Astley D, Callegan MC. Virulence-related genotypic differences among Bacillus cereus ocular and gastrointestinal isolates and the relationship to endophthalmitis pathogenesis. Front Cell Infect Microbiol. 2023; 13:1304677. PMID: 38106476; PMCID: PMC10722173.
      Citations:    Fields:    Translation:HumansAnimalsCells
    2. Kelagere Y, Scholand KK, DeJong EN, Boyd AI, Yu Z, Astley RA, Callegan MC, Bowdish DM, Makarenkova HP, de Paiva CS. TNF is a critical cytokine in age-related dry eye disease. Ocul Surf. 2023 Aug 25; 30:119-128. PMID: 37634571.
      Citations: 1     Fields:    Translation:Animals
    3. Astley RA, Mursalin MH, Coburn PS, Livingston ET, Nightengale JW, Bagaruka E, Hunt JJ, Callegan MC. Ocular Bacterial Infections: A Ten-Year Survey and Review of Causative Organisms Based on the Oklahoma Experience. Microorganisms. 2023 Jul 13; 11(7). PMID: 37512974; PMCID: PMC10386592.
      Citations: 1     
    4. Mursalin MH, Astley R, Coburn PS, Bagaruka E, Hunt JJ, Fischetti VA, Callegan MC. Therapeutic potential of Bacillus phage lysin PlyB in ocular infections. mSphere. 2023 Jun 05; e0004423. PMID: 37273201.
      Citations: 2     Fields:    Translation:HumansAnimalsCells
    5. Coburn PS, Parrott AC, Miller FC, LaGrow AL, Mursalin MH, Callegan MC. The Role of C-X-C Chemokines in Staphylococcus aureus Endophthalmitis. Invest Ophthalmol Vis Sci. 2023 Mar 01; 64(3):10. PMID: 36867134; PMCID: PMC9988700.
      Citations: 1     Fields:    Translation:AnimalsCells
    6. Mursalin MH, Astley R, Coburn PS, Miller FC, Callegan MC. Roles of CCL2 and CCL3 in intraocular inflammation during Bacillus endophthalmitis. Exp Eye Res. 2022 11; 224:109213. PMID: 36063964.
      Citations: 1     Fields:    Translation:AnimalsCells
    7. Zhao H, Clevenger AL, Coburn PS, Callegan MC, Rybenkov VV. Condensins are essential for Pseudomonas aeruginosa corneal virulence through their control of lifestyle and virulence programs. Mol Microbiol. 2022 04; 117(4):937-957. PMID: 35072315.
      Citations: 1     Fields:    Translation:HumansCells
    8. Mursalin MH, Coburn PS, Miller FC, Livingston ET, Astley R, Callegan MC. C-X-C Chemokines Influence Intraocular Inflammation During Bacillus Endophthalmitis. Invest Ophthalmol Vis Sci. 2021 11 01; 62(14):14. PMID: 34784411.
      Citations: 7     Fields:    Translation:AnimalsCells
    9. Livingston ET, Mursalin MH, Coburn PS, Astley R, Miller FC, Amayem O, Lereclus D, Callegan MC. Immune Inhibitor A Metalloproteases Contribute to Virulence in Bacillus Endophthalmitis. Infect Immun. 2021 09 16; 89(10):e0020121. PMID: 34097460.
      Citations: 5     Fields:    Translation:HumansAnimalsCells
    10. Coburn PS, Miller FC, Enty MA, Land C, LaGrow AL, Mursalin MH, Callegan MC. The Bacillus virulome in endophthalmitis. Microbiology (Reading). 2021 05; 167(5). PMID: 34032564.
      Citations: 5     Fields:    Translation:HumansAnimalsCells
    11. Mursalin MH, Livingston E, Coburn PS, Miller FC, Astley R, Callegan MC. Intravitreal Injection and Quantitation of Infection Parameters in a Mouse Model of Bacterial Endophthalmitis. J Vis Exp. 2021 02 06; (168). PMID: 33616100.
      Citations: 3     Fields:    Translation:AnimalsCells
    12. Mursalin MH, Coburn PS, Miller FC, Livingston ET, Astley R, Callegan MC. Innate Immune Interference Attenuates Inflammation In Bacillus Endophthalmitis. Invest Ophthalmol Vis Sci. 2020 11 02; 61(13):17. PMID: 33180117.
      Citations: 6     Fields:    Translation:AnimalsCells
    13. Napier RJ, Lee EJ, Davey MP, Vance EE, Furtado JM, Snow PE, Samson KA, Lashley SJ, Brown BR, Horai R, Mattapallil MJ, Xu B, Callegan MC, Uebelhoer LS, Lancioni CL, Vehe RK, Binstadt BA, Smith JR, Caspi RR, Rosenzweig HL. T cell-intrinsic role for Nod2 in protection against Th17-mediated uveitis. Nat Commun. 2020 10 26; 11(1):5406. PMID: 33106495.
      Citations: 10     Fields:    Translation:HumansAnimalsCells
    14. Muhammad F, Avalos PN, Mursalin MH, Ma JX, Callegan MC, Lee DJ. Kallistatin Attenuates Experimental Autoimmune Uveitis by Inhibiting Activation of T Cells. Front Immunol. 2020; 11:975. PMID: 32508841.
      Citations: 2     Fields:    Translation:AnimalsCells
    15. Coburn PS, Miller FC, Enty MA, Land C, LaGrow AL, Mursalin MH, Callegan MC. Expression of Bacillus cereus Virulence-Related Genes in an Ocular Infection-Related Environment. Microorganisms. 2020 Apr 22; 8(4). PMID: 32331252.
      Citations: 9     
    16. Mursalin MH, Coburn PS, Livingston E, Miller FC, Astley R, Flores-Mireles AL, Callegan MC. Bacillus S-Layer-Mediated Innate Interactions During Endophthalmitis. Front Immunol. 2020; 11:215. PMID: 32117322.
      Citations: 13     Fields:    Translation:HumansAnimalsCells
    17. Mursalin MH, Livingston ET, Callegan MC. The cereus matter of Bacillus endophthalmitis. Exp Eye Res. 2020 04; 193:107959. PMID: 32032628.
      Citations: 19     Fields:    Translation:HumansCells
    18. Livingston ET, Mursalin MH, Callegan MC. A Pyrrhic Victory: The PMN Response to Ocular Bacterial Infections. Microorganisms. 2019 Nov 07; 7(11). PMID: 31703354.
      Citations: 11     
    19. Mursalin MH, Coburn PS, Livingston E, Miller FC, Astley R, Fouet A, Callegan MC. S-layer Impacts the Virulence of Bacillus in Endophthalmitis. Invest Ophthalmol Vis Sci. 2019 09 03; 60(12):3727-3739. PMID: 31479113.
      Citations: 15     Fields:    Translation:AnimalsCells
    20. Montgomery ML, Callegan MC, Fuller KK, Carr DJJ. Ocular Glands Become Infected Secondarily to Infectious Keratitis and Play a Role in Corneal Resistance to Infection. J Virol. 2019 08 15; 93(16). PMID: 31167909.
      Citations: 4     Fields:    Translation:AnimalsCells
    21. Astley R, Miller FC, Mursalin MH, Coburn PS, Callegan MC. An Eye on Staphylococcus aureus Toxins: Roles in Ocular Damage and Inflammation. Toxins (Basel). 2019 06 19; 11(6). PMID: 31248125.
      Citations: 26     Fields:    Translation:HumansAnimalsCells
    22. Miller FC, Coburn PS, Huzzatul MM, LaGrow AL, Livingston E, Callegan MC. Targets of immunomodulation in bacterial endophthalmitis. Prog Retin Eye Res. 2019 11; 73:100763. PMID: 31150824.
      Citations: 32     Fields:    Translation:HumansAnimals
    23. Coburn PS, Miller FC, LaGrow AL, Land C, Mursalin H, Livingston E, Amayem O, Chen Y, Gao W, Zhang L, Callegan MC. Disarming Pore-Forming Toxins with Biomimetic Nanosponges in Intraocular Infections. mSphere. 2019 05 15; 4(3). PMID: 31092603.
      Citations: 19     Fields:    Translation:AnimalsCells
    24. Coburn PS, Miller FC, LaGrow AL, Parkunan SM, Blake Randall C, Staats RL, Callegan MC. TLR4 modulates inflammatory gene targets in the retina during Bacillus cereus endophthalmitis. BMC Ophthalmol. 2018 Apr 16; 18(1):96. PMID: 29661181.
      Citations: 20     Fields:    Translation:AnimalsCells
    25. LaGrow AL, Coburn PS, Miller FC, Land C, Parkunan SM, Luk BT, Gao W, Zhang L, Callegan MC. A Novel Biomimetic Nanosponge Protects the Retina from the Enterococcus faecalis Cytolysin. mSphere. 2017 Nov-Dec; 2(6). PMID: 29202038.
      Citations: 18     Fields:    
    26. Callegan MC, Parkunan SM, Randall CB, Coburn PS, Miller FC, LaGrow AL, Astley RA, Land C, Oh SY, Schneewind O. The role of pili in Bacillus cereus intraocular infection. Exp Eye Res. 2017 06; 159:69-76. PMID: 28336259.
      Citations: 15     Fields:    Translation:AnimalsCells
    27. Parkunan SM, Randall CB, Astley RA, Furtado GC, Lira SA, Callegan MC. CXCL1, but not IL-6, significantly impacts intraocular inflammation during infection. J Leukoc Biol. 2016 11; 100(5):1125-1134. PMID: 27286792.
      Citations: 28     Fields:    Translation:AnimalsCells
    28. Coburn PS, Wiskur BJ, Miller FC, LaGrow AL, Astley RA, Elliott MH, Callegan MC. Bloodstream-To-Eye Infections Are Facilitated by Outer Blood-Retinal Barrier Dysfunction. PLoS One. 2016; 11(5):e0154560. PMID: 27195776.
      Citations: 13     Fields:    Translation:HumansAnimalsCells
    29. Astley RA, Coburn PS, Parkunan SM, Callegan MC. Modeling intraocular bacterial infections. Prog Retin Eye Res. 2016 09; 54:30-48. PMID: 27154427.
      Citations: 23     Fields:    Translation:HumansAnimals
    30. Venincasa VD, Callegan M, Astley RA, Siatkowski RM. Contact Lens-related Polymicrobial Keratitis from Pantoea agglomerans and Escherichia vulneris. Am J Ophthalmol Case Rep. 2016 Apr; 1:5-7. PMID: 27158679.
    31. Coburn PS, Wiskur BJ, Astley RA, Callegan MC. Blood-Retinal Barrier Compromise and Endogenous Staphylococcus aureus Endophthalmitis. Invest Ophthalmol Vis Sci. 2015 Nov; 56(12):7303-11. PMID: 26559476.
      Citations: 15     Fields:    Translation:AnimalsCells
    32. Parkunan SM, Randall CB, Coburn PS, Astley RA, Staats RL, Callegan MC. Unexpected Roles for Toll-Like Receptor 4 and TRIF in Intraocular Infection with Gram-Positive Bacteria. Infect Immun. 2015 Oct; 83(10):3926-36. PMID: 26195555.
      Citations: 23     Fields:    Translation:HumansAnimalsCells
    33. Li X, Gu X, Boyce TM, Zheng M, Reagan AM, Qi H, Mandal N, Cohen AW, Callegan MC, Carr DJ, Elliott MH. Caveolin-1 increases proinflammatory chemoattractants and blood-retinal barrier breakdown but decreases leukocyte recruitment in inflammation. Invest Ophthalmol Vis Sci. 2014 Aug 26; 55(10):6224-34. PMID: 25159208.
      Citations: 18     Fields:    Translation:AnimalsCells
    34. Parkunan SM, Astley R, Callegan MC. Role of TLR5 and flagella in bacillus intraocular infection. PLoS One. 2014; 9(6):e100543. PMID: 24959742.
      Citations: 24     Fields:    Translation:AnimalsCells
    35. Hunt JJ, Astley R, Wheatley N, Wang JT, Callegan MC. TLR4 contributes to the host response to Klebsiella intraocular infection. Curr Eye Res. 2014 Aug; 39(8):790-802. PMID: 24588082.
      Citations: 13     Fields:    Translation:AnimalsCells
    36. Pettey JH, Mifflin MD, Kamae K, McEntire MW, Pettey DH, Callegan MC, Brown H, Olson RJ. The impact of short-term topical gatifloxacin and moxifloxacin on bacterial injection after hypodermic needle passage through human conjunctiva. J Ocul Pharmacol Ther. 2013 Jun; 29(5):450-5. PMID: 23425429.
      Citations: 1     Fields:    Translation:HumansCellsPHPublic Health
    37. Coburn PS, Wiskur BJ, Christy E, Callegan MC. The diabetic ocular environment facilitates the development of endogenous bacterial endophthalmitis. Invest Ophthalmol Vis Sci. 2012 Nov 01; 53(12):7426-31. PMID: 23036996.
      Citations: 17     Fields:    Translation:AnimalsCells
    38. Callegan M, Gregory-Ksander M, Willcox M, Lightman S. Ocular inflammation and infection. Int J Inflam. 2012; 2012:403520. PMID: 23091771.
      Citations: 1     
    39. Novosad BD, Astley RA, Callegan MC. Role of Toll-like receptor (TLR) 2 in experimental Bacillus cereus endophthalmitis. PLoS One. 2011; 6(12):e28619. PMID: 22163046.
      Citations: 25     Fields:    Translation:AnimalsCells
    40. Callegan MC, Guess S, Wheatley NR, Woods DC, Griffin G, Wiskur BJ, Leonard R. Efficacy of vitrectomy in improving the outcome of Bacillus cereus endophthalmitis. Retina. 2011 Sep; 31(8):1518-24. PMID: 21606892.
      Citations: 14     Fields:    Translation:AnimalsCells
    41. Hunt JJ, Wang JT, Callegan MC. Contribution of mucoviscosity-associated gene A (magA) to virulence in experimental Klebsiella pneumoniae endophthalmitis. Invest Ophthalmol Vis Sci. 2011 Aug 29; 52(9):6860-6. PMID: 21791595.
      Citations: 17     Fields:    Translation:AnimalsCells
    42. Olson R, Donnenfeld E, Bucci FA, Price FW, Raizman M, Solomon K, Devgan U, Trattler W, Dell S, Wallace RB, Callegan M, Brown H, McDonnell PJ, Conway T, Schiffman RM, Hollander DA. Methicillin resistance of Staphylococcus species among health care and nonhealth care workers undergoing cataract surgery. Clin Ophthalmol. 2010 Dec 10; 4:1505-14. PMID: 21191448.
      Citations: 18     
    43. Novosad BD, Callegan MC. Severe bacterial endophthalmitis: towards improving clinical outcomes. Expert Rev Ophthalmol. 2010 Oct; 5(5):689-698. PMID: 21572565.
      Citations: 18     
    44. Callegan MC. Checks and balances: the ocular response to infection. Virulence. 2010 Jul-Aug; 1(4):222. PMID: 21178447.
      Citations:    Fields:    Translation:HumansCells
    45. Callegan MC, Novosad BD, Ramadan RT, Wiskur B, Moyer AL. Rate of bacterial eradication by ophthalmic solutions of fourth-generation fluoroquinolones. Adv Ther. 2009 Apr; 26(4):447-54. PMID: 19381523.
      Citations: 4     Fields:    Translation:HumansCells
    46. Moyer AL, Ramadan RT, Novosad BD, Astley R, Callegan MC. Bacillus cereus-induced permeability of the blood-ocular barrier during experimental endophthalmitis. Invest Ophthalmol Vis Sci. 2009 Aug; 50(8):3783-93. PMID: 19264886.
      Citations: 34     Fields:    Translation:AnimalsCells
    47. Rajala RV, Wiskur B, Tanito M, Callegan M, Rajala A. Diabetes reduces autophosphorylation of retinal insulin receptor and increases protein-tyrosine phosphatase-1B activity. Invest Ophthalmol Vis Sci. 2009 Mar; 50(3):1033-40. PMID: 19029027.
      Citations: 33     Fields:    Translation:AnimalsCells
    48. Wiskur BJ, Hunt JJ, Callegan MC. Hypermucoviscosity as a virulence factor in experimental Klebsiella pneumoniae endophthalmitis. Invest Ophthalmol Vis Sci. 2008 Nov; 49(11):4931-8. PMID: 18586871.
      Citations: 35     Fields:    Translation:AnimalsCells
    49. Ramadan RT, Moyer AL, Callegan MC. A role for tumor necrosis factor-alpha in experimental Bacillus cereus endophthalmitis pathogenesis. Invest Ophthalmol Vis Sci. 2008 Oct; 49(10):4482-9. PMID: 18586878.
      Citations: 33     Fields:    Translation:AnimalsCells
    50. Wiskur BJ, Robinson ML, Farrand AJ, Novosad BD, Callegan MC. Toward improving therapeutic regimens for Bacillus endophthalmitis. Invest Ophthalmol Vis Sci. 2008 Apr; 49(4):1480-7. PMID: 18385066.
      Citations: 22     Fields:    Translation:AnimalsCells
    51. Moyer AL, Ramadan RT, Thurman J, Burroughs A, Callegan MC. Bacillus cereus induces permeability of an in vitro blood-retina barrier. Infect Immun. 2008 Apr; 76(4):1358-67. PMID: 18268029.
      Citations: 22     Fields:    Translation:HumansCells
    52. Charles E, Callegan MC, Blader IJ. The SAG1 Toxoplasma gondii surface protein is not required for acute ocular toxoplasmosis in mice. Infect Immun. 2007 Apr; 75(4):2079-83. PMID: 17283084.
      Citations: 8     Fields:    Translation:Animals
    53. Callegan MC, Gilmore MS, Gregory M, Ramadan RT, Wiskur BJ, Moyer AL, Hunt JJ, Novosad BD. Bacterial endophthalmitis: therapeutic challenges and host-pathogen interactions. Prog Retin Eye Res. 2007 Mar; 26(2):189-203. PMID: 17236804.
      Citations: 86     Fields:    Translation:HumansCells
    54. Gregory M, Callegan MC, Gilmore MS. Role of bacterial and host factors in infectious endophthalmitis. Chem Immunol Allergy. 2007; 92:266-275. PMID: 17264502.
      Citations: 14     Fields:    Translation:HumansAnimalsCells
    55. Ramadan RT, Ramirez R, Novosad BD, Callegan MC. Acute inflammation and loss of retinal architecture and function during experimental Bacillus endophthalmitis. Curr Eye Res. 2006 Nov; 31(11):955-65. PMID: 17114121.
      Citations: 60     Fields:    Translation:AnimalsCells
    56. Callegan MC, Novosad BD, Ramirez R, Ghelardi E, Senesi S. Role of swarming migration in the pathogenesis of bacillus endophthalmitis. Invest Ophthalmol Vis Sci. 2006 Oct; 47(10):4461-7. PMID: 17003440.
      Citations: 26     Fields:    Translation:AnimalsCells
    57. Callegan MC, Cochran DC, Kane ST, Ramadan RT, Chodosh J, McLean C, Stroman DW. Virulence factor profiles and antimicrobial susceptibilities of ocular bacillus isolates. Curr Eye Res. 2006 Sep; 31(9):693-702. PMID: 16966141.
      Citations: 26     Fields:    Translation:HumansCells
    58. Callegan MC, Kane ST, Cochran DC, Novosad B, Gilmore MS, Gominet M, Lereclus D. Bacillus endophthalmitis: roles of bacterial toxins and motility during infection. Invest Ophthalmol Vis Sci. 2005 Sep; 46(9):3233-8. PMID: 16123424.
      Citations: 36     Fields:    Translation:AnimalsCells
    59. Callegan MC, Ramirez R, Kane ST, Cochran DC, Jensen H. Antibacterial activity of the fourth-generation fluoroquinolones gatifloxacin and moxifloxacin against ocular pathogens. Adv Ther. 2003 Sep-Oct; 20(5):246-52. PMID: 14964344.
      Citations: 12     Fields:    Translation:Humans
    60. Callegan MC, Kane ST, Cochran DC, Gilmore MS, Gominet M, Lereclus D. Relationship of plcR-regulated factors to Bacillus endophthalmitis virulence. Infect Immun. 2003 Jun; 71(6):3116-24. PMID: 12761089.
      Citations: 52     Fields:    Translation:AnimalsCells
    61. Callegan MC, Cochran DC, Kane ST, Gilmore MS, Gominet M, Lereclus D. Contribution of membrane-damaging toxins to Bacillus endophthalmitis pathogenesis. Infect Immun. 2002 Oct; 70(10):5381-9. PMID: 12228262.
      Citations: 31     Fields:    Translation:AnimalsCells
    62. Ruan X, Chodosh J, Callegan MC, Booth MC, Lee TD, Kumar P, Gilmore MS, Pereira HA. Corneal expression of the inflammatory mediator CAP37. Invest Ophthalmol Vis Sci. 2002 May; 43(5):1414-21. PMID: 11980855.
      Citations: 18     Fields:    Translation:AnimalsCells
    63. Callegan MC, Kane ST, Cochran DC, Gilmore MS. Molecular mechanisms of Bacillus endophthalmitis pathogenesis. DNA Cell Biol. 2002 May-Jun; 21(5-6):367-73. PMID: 12167238.
      Citations: 22     Fields:    Translation:HumansCells
    64. Callegan MC, Engelbert M, Parke DW, Jett BD, Gilmore MS. Bacterial endophthalmitis: epidemiology, therapeutics, and bacterium-host interactions. Clin Microbiol Rev. 2002 Jan; 15(1):111-24. PMID: 11781270.
      Citations: 126     Fields:    Translation:HumansAnimalsCells
    65. Callegan MC, Parke DW, Gilmore MS. Corticosteroid and antibiotic therapy for bacillus endophthalmitis. Arch Ophthalmol. 2001 Sep; 119(9):1391-3. PMID: 11545656.
      Citations: 2     Fields:    Translation:Animals
    66. Booth MC, Pence LM, Mahasreshti P, Callegan MC, Gilmore MS. Clonal associations among Staphylococcus aureus isolates from various sites of infection. Infect Immun. 2001 Jan; 69(1):345-52. PMID: 11119523.
      Citations: 40     Fields:    Translation:HumansCells
    67. Callegan MC, Booth MC, Gilmore MS. In vitro pharmacodynamics of ofloxacin and ciprofloxacin against common ocular pathogens. Cornea. 2000 Jul; 19(4):539-45. PMID: 10928774.
      Citations: 1     Fields:    Translation:HumansCells
    68. Callegan MC, Booth MC, Jett BD, Gilmore MS. Pathogenesis of gram-positive bacterial endophthalmitis. Infect Immun. 1999 Jul; 67(7):3348-56. PMID: 10377112.
      Citations: 77     Fields:    Translation:AnimalsCells
    69. Callegan MC, Jett BD, Hancock LE, Gilmore MS. Role of hemolysin BL in the pathogenesis of extraintestinal Bacillus cereus infection assessed in an endophthalmitis model. Infect Immun. 1999 Jul; 67(7):3357-66. PMID: 10377113.
      Citations: 56     Fields:    Translation:HumansAnimalsCells
    70. Booth MC, Hatter KL, Miller D, Davis J, Kowalski R, Parke DW, Chodosh J, Jett BD, Callegan MC, Penland R, Gilmore MS. Molecular epidemiology of Staphylococcus aureus and Enterococcus faecalis in endophthalmitis. Infect Immun. 1998 Jan; 66(1):356-60. PMID: 9423880.
      Citations: 20     Fields:    Translation:HumansCells
    71. Engel LS, Hobden JA, Moreau JM, Callegan MC, Hill JM, O'Callaghan RJ. Pseudomonas deficient in protease IV has significantly reduced corneal virulence. Invest Ophthalmol Vis Sci. 1997 Jul; 38(8):1535-42. PMID: 9224281.
      Citations: 19     Fields:    Translation:AnimalsCells
    72. O'Callaghan RJ, Callegan MC, Moreau JM, Green LC, Foster TJ, Hartford OM, Engel LS, Hill JM. Specific roles of alpha-toxin and beta-toxin during Staphylococcus aureus corneal infection. Infect Immun. 1997 May; 65(5):1571-8. PMID: 9125532.
      Citations: 66     Fields:    Translation:AnimalsCells
    73. Booth MC, Cheung AL, Hatter KL, Jett BD, Callegan MC, Gilmore MS. Staphylococcal accessory regulator (sar) in conjunction with agr contributes to Staphylococcus aureus virulence in endophthalmitis. Infect Immun. 1997 Apr; 65(4):1550-6. PMID: 9119503.
      Citations: 66     Fields:    Translation:Cells
    74. O'Callaghan RJ, Engel LS, Hobden JA, Callegan MC, Green LC, Hill JM. Pseudomonas keratitis. The role of an uncharacterized exoprotein, protease IV, in corneal virulence. Invest Ophthalmol Vis Sci. 1996 Mar; 37(4):534-43. PMID: 8595953.
      Citations: 43     Fields:    Translation:AnimalsCells
    75. Green LC, Callegan MC, Engel LS, Shimomura Y, Jasheway DW, O'Callaghan RJ, Hill JM. Pharmacokinetics of topically applied ciprofloxacin in rabbit tears. Jpn J Ophthalmol. 1996; 40(1):123-6. PMID: 8739510.
      Citations:    Fields:    Translation:Animals
    76. Engel LS, Callegan MC, Hill JM, Folkens AT, Shimomura Y, O'Callaghan RJ. The effectiveness of two ciprofloxacin formulations for experimental Pseudomonas and Staphylococcus keratitis. Jpn J Ophthalmol. 1996; 40(2):212-9. PMID: 8876389.
      Citations: 2     Fields:    Translation:AnimalsCells
    77. Johnson MK, Callegan MC, Engel LS, O'Callaghan RJ, Hill JM, Hobden JA, Boulnois GJ, Andrew PW, Mitchell TJ. Growth and virulence of a complement-activation-negative mutant of Streptococcus pneumoniae in the rabbit cornea. Curr Eye Res. 1995 Apr; 14(4):281-4. PMID: 7606914.
      Citations: 9     Fields:    Translation:AnimalsCells
    78. Engel LS, Callegan MC, Hobden JA, Reidy JJ, Hill JM, O'Callaghan RJ. Effectiveness of specific antibiotic/steroid combinations for therapy of experimental Pseudomonas aeruginosa keratitis. Curr Eye Res. 1995 Mar; 14(3):229-34. PMID: 7796606.
      Citations: 15     Fields:    Translation:AnimalsCells
    79. Callegan MC, Engel LS, Clinch TE, Hill JM, Kaufman HE, O'Callaghan RJ. Efficacy of tobramycin drops applied to collagen shields for experimental staphylococcal keratitis. Curr Eye Res. 1994 Dec; 13(12):875-8. PMID: 7720394.
      Citations: 2     Fields:    Translation:AnimalsCells
    80. Callegan MC, O'Callaghan RJ, Hill JM. Pharmacokinetic considerations in the treatment of bacterial keratitis. Clin Pharmacokinet. 1994 Aug; 27(2):129-49. PMID: 7955776.
      Citations: 13     Fields:    Translation:HumansAnimals
    81. Callegan MC, Engel LS, Hill JM, O'Callaghan RJ. Corneal virulence of Staphylococcus aureus: roles of alpha-toxin and protein A in pathogenesis. Infect Immun. 1994 Jun; 62(6):2478-82. PMID: 8188373.
      Citations: 52     Fields:    Translation:AnimalsCells
    82. Callegan MC, Engel LS, Hill JM, O'Callaghan RJ. Ciprofloxacin versus tobramycin for the treatment of staphylococcal keratitis. Invest Ophthalmol Vis Sci. 1994 Mar; 35(3):1033-7. PMID: 8125714.
      Citations: 6     Fields:    Translation:AnimalsCells
    83. Hobden JA, Engel LS, Callegan MC, Hill JM, Gebhardt BM, O'Callaghan RJ. Pseudomonas aeruginosa keratitis in leukopenic rabbits. Curr Eye Res. 1993 May; 12(5):461-7. PMID: 8344069.
      Citations: 7     Fields:    Translation:AnimalsCells
    84. Hobden JA, Engel LS, Hill JM, Callegan MC, O'Callaghan RJ. Prednisolone acetate or prednisolone phosphate concurrently administered with ciprofloxacin for the therapy of experimental Pseudomonas aeruginosa keratitis. Curr Eye Res. 1993 May; 12(5):469-73. PMID: 8344070.
      Citations: 7     Fields:    Translation:AnimalsCells
    85. Hill JM, Hobden JA, Liu WG, Wen R, Zhang X, Callegan MC. Ocular antivirals. Int Ophthalmol Clin. 1993; 33(4):69-80. PMID: 8258499.
      Citations:    Fields:    Translation:Humans
    86. Engel LS, Callegan MC, Hill JM, O'Callaghan RJ. Bioassays for quantitating ciprofloxacin and tobramycin in aqueous humor. J Ocul Pharmacol. 1993; 9(4):311-20. PMID: 8106837.
      Citations: 3     Fields:    Translation:AnimalsCells
    87. Callegan MC, Hill JM, Insler MS, Hobden JA, O'Callaghan RJ. Methicillin-resistant Staphylococcus aureus keratitis in the rabbit: therapy with ciprofloxacin, vancomycin and cefazolin. Curr Eye Res. 1992 Nov; 11(11):1111-9. PMID: 1483341.
      Citations: 7     Fields:    Translation:AnimalsCells
    88. Callegan MC, Hobden JA, Hill JM, Insler MS, O'Callaghan RJ. Topical antibiotic therapy for the treatment of experimental Staphylococcus aureus keratitis. Invest Ophthalmol Vis Sci. 1992 Oct; 33(11):3017-23. PMID: 1399405.
      Citations: 17     Fields:    Translation:AnimalsCells
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