"Complement C4a" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
The smaller fragment formed when complement C4 is cleaved by COMPLEMENT C1S. It is an anaphylatoxin that causes symptoms of immediate hypersensitivity (HYPERSENSITIVITY, IMMEDIATE) but its activity is weaker than that of COMPLEMENT C3A or COMPLEMENT C5A.
| Descriptor ID |
D015934
|
| MeSH Number(s) |
D12.776.124.486.274.024.260 D12.776.124.486.274.350.250
|
| Concept/Terms |
Complement C4a- Complement C4a
- C4a, Complement
- Complement Component 4a
- Component 4a, Complement
- C4a Complement
- Complement, C4a
- Complement 4a
|
Below are MeSH descriptors whose meaning is more general than "Complement C4a".
Below are MeSH descriptors whose meaning is more specific than "Complement C4a".
This graph shows the total number of publications written about "Complement C4a" by people in this website by year, and whether "Complement C4a" was a major or minor topic of these publications.
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| Year | Major Topic | Minor Topic | Total |
|---|
| 2022 | 0 | 1 | 1 |
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Below are the most recent publications written about "Complement C4a" by people in Profiles.
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Low copy numbers of complement C4 and C4A deficiency are risk factors for myositis, its subgroups and autoantibodies. Ann Rheum Dis. 2023 Feb; 82(2):235-245.
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[A new case of bronchospasm under extracorporeal circulation]. Ann Fr Anesth Reanim. 1986; 5(2):157-9.