Harvard Catalyst Profiles

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Complement C1

"Complement C1" 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 first complement component to act in the activation of CLASSICAL COMPLEMENT PATHWAY. It is a calcium-dependent trimolecular complex made up of three subcomponents: COMPLEMENT C1Q; COMPLEMENT C1R; and COMPLEMENT C1S at 1:2:2 ratios. When the intact C1 binds to at least two antibodies (involving C1q), C1r and C1s are sequentially activated, leading to subsequent steps in the cascade of COMPLEMENT ACTIVATION.


This graph shows the total number of publications written about "Complement C1" by people in Harvard Catalyst Profiles by year, and whether "Complement C1" was a major or minor topic of these publication.
Bar chart showing 11 publications over 10 distinct years, with a maximum of 2 publications in 2019
To see the data from this visualization as text, click here.
Funded by the NIH National Center for Advancing Translational Sciences through its Clinical and Translational Science Awards Program, grant number UL1TR002541.