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貨期:
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用途:
For Research Use Only. Not for use in diagnostic or therapeutic procedures.
C1q associates with the proenzymes C1r and C1s to yield C1, the first component of the serum complement system. The collagen-like regions of C1q interact with the Ca(2+)-dependent C1r(2)C1s(2) proenzyme complex, and efficient activation of C1 takes place on interaction of the globular heads of C1q with the Fc regions of IgG or IgM antibody present in immune complexes.
基因功能參考文獻:
Neuromyelitis optica patients had higher levels of C3a and anti-C1q antibodies than healthy controls. PMID: 25109258
C1q deficiency due to a Gly164Ser mutation may have a role in Rothmund-Thomson syndrome and glomerulonephritis [case report] PMID: 24157463
C1q and C1q receptor interaction may be responsible for the C1q-mediated migration of mesenchymal stromal cells. PMID: 22264191
Three single nucleotide polymorphisms (STAT6 rs703817, C1qG rs17433222, and MBP rs3794845) were found to be significantly associated with childhood leukemia risk in Koreans. PMID: 20438785
These results suggest a novel pathway in which C1q and MBL influence removal and metabolism of atherogenic forms of LDL in the early stages of atherosclerosis. PMID: 20833838
The C-terminal globular region of the C1Q C chain may have evolved as a functionally specialized domain or module with distinct binding properties which together with the A and B chains confers versatility and flexibility to the whole C1q molecule. PMID: 12847249
Complementary interacting sites on the C1q globular domain have been precisely defined. Characterization of point mutants suggests a complementary role for Arg156 of C1Q C chain in the C1q-IgG interaction. PMID: 15034050
C1q polymorphisms are associated with SLE, serum C1q and CH50 levels in a stable founder population of patients with SLE. PMID: 18504288
The peripheral globular region of the C1q molecule displays a lectin-like activity, which contributes to DNA binding through interaction with its deoxy-d-ribose moiety and may participate in apoptotic cell recognition. PMID: 18703056
Complement C1q chemoattracts human dendritic cells and enhances migration of mature dendritic cells to CCL19 via activation of AKT and MAPK pathways.( PMID: 18838169
Complement protein C1q and anti-hexon antibodies together can mediate efficient adenovirus infection in coxsackie and adenovirus receptor-negative cell types. PMID: 19115936
C1QC (rs9434) correlates with later age of onset in TTR Val30Met familial amyloidotic polyneuropathy. C1QC (rs15940) does not. PMID: 19493541
C1q deficiency is such a strong risk factor for systemic lupus erythematosus. PMID: 19790049