Complement component 4 (C4), in humans, is a protein involved in the intricate complement system, originating from the human leukocyte antigen (HLA) system...
35 KB (4,189 words) - 16:19, 7 November 2023
Complement component 3, often simply called C3, is a protein of the immune system that is found primarily in the blood. It plays a central role in the...
15 KB (1,758 words) - 16:58, 16 July 2025
Complement component 5 is a protein that in humans is encoded by the C5 gene. Complement component 5 is involved in the complement system. It is cleaved...
9 KB (1,114 words) - 04:01, 15 July 2025
cleavage of complement component C5 by protease C5-convertase into C5a and C5b fragments. C5b is important in late events of the complement cascade, an...
15 KB (1,654 words) - 09:16, 27 February 2024
Complement component 4B (Chido blood group) is a kind of the Complement component 4 protein that in humans is encoded by the C4B gene. This gene encodes...
8 KB (1,049 words) - 07:55, 3 January 2024
Complement component 9 (C9) is a MACPF protein involved in the complement system, which is part of the innate immune system. Once activated, about 12-18...
7 KB (789 words) - 20:10, 20 January 2025
the Complement system and the Complement component 2 protein attaches to Complement system 4 resulting in an immune response. Complement component 2 protein...
16 KB (2,068 words) - 16:58, 16 July 2025
Complement component 1qA, Complement component 1qB, Complement component 1r, Complement component 1s, Complement component 2, Complement component 3...
139 KB (15,065 words) - 22:02, 5 July 2025
Complement C1r subcomponent (EC 3.4.21.41, activated complement C1r, C overbar 1r esterase, C1r) is a protein involved in the complement system of the...
10 KB (1,273 words) - 20:03, 12 May 2024
Complement component 1s (EC 3.4.21.42, C1 esterase, activated complement C1s, complement C overbar 1r, C1s) is a protein involved in the complement system...
10 KB (1,195 words) - 16:58, 16 July 2025
express complement receptors on their surface. All four complement receptors can bind to fragments of complement component 3 or complement component 4 coated...
6 KB (380 words) - 11:15, 10 July 2025
Deficiencies of the terminal complement components increases susceptibility to infections by Neisseria. The cause of complement deficiency is genetics (though...
15 KB (1,248 words) - 18:12, 28 January 2025
Complement component 6 is a protein that in humans is encoded by the C6 gene. Complement component 6 is a protein involved in the complement system. It...
7 KB (910 words) - 04:01, 15 July 2025
component of fresh serum. Ehrlich, therefore, named this heat-labile component "complement," because it is something in the blood that "complements"...
43 KB (5,123 words) - 16:58, 16 July 2025
C4A (redirect from Complement 4A)
Complement C4-A is a kind of the Complement component 4 protein that in humans is encoded by the C4A gene. This gene encodes the acidic form of complement...
13 KB (1,679 words) - 21:56, 11 June 2025
are abnormal proteins composed of immunoglobulins and sometimes complement components. Cryoglobulins specifically form gel-like solids by clumping together...
35 KB (3,614 words) - 20:07, 6 July 2025
functioning of the immune system. Other blood proteins act as enzymes, complement, components, protease inhibitors or kinin precursors. Contrary to popular belief...
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antigens (HLA) HLA-DR4 and DRB1/DQA1, copy-number variations of complement component 4, a variant IL-23R locus and with various other non-HLA genes. HLA-DRB1*0405...
16 KB (1,498 words) - 15:17, 24 June 2025
Complement component 1qA, Complement component 1qB, Complement component 1r, Complement component 1s, Complement component 2, Complement component 3...
84 KB (10,378 words) - 16:19, 9 June 2025
Complement 4 deficiency is a genetic condition affecting complement component 4. It can present with lupus-like symptoms. Parija (2009). Textbook of Microbiology...
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pruning. Genes in the Complement Component 4 (C4) locus of the major histocompatibility complex (MHC), which encode for complement factors, have also been...
24 KB (3,156 words) - 17:26, 14 June 2025
C4b-binding protein (redirect from Complement c4b-binding protein)
C4b-binding protein (C4BP) is a protein complex involved in the complement system where it acts as inhibitor. C4BP has an octopus-like structure with a...
3 KB (341 words) - 00:55, 15 July 2025
visual cortex critical period. More recently, the expression of the complement component 4 gene has been found to significantly contribute to abnormally high...
69 KB (8,689 words) - 05:00, 25 May 2025
Macrophage-1 antigen (redirect from Complement receptor 4)
Mycobacterium tuberculosis is mediated by human monocyte complement receptors and complement component C3". J. Immunol. 144 (7): 2771–80. doi:10.4049/jimmunol...
9 KB (1,147 words) - 01:46, 25 November 2024
(February 2016). "Schizophrenia risk from complex variation of complement component 4". Nature. 530 (7589): 177–183. Bibcode:2016Natur.530..177.. doi:10...
70 KB (7,425 words) - 06:06, 2 June 2025
This study found that the association is caused partly by the complement component 4 (C4) genes and therefore implying that allele variants of the C4...
29 KB (3,756 words) - 15:12, 9 June 2025
and differentiation. The C4 gene encodes the complement component 4, which is involved in the complement system and is an important part of the innate...
28 KB (3,370 words) - 05:58, 2 June 2025
(February 2016). "Schizophrenia risk from complex variation of complement component 4". Nature. 530 (7589): 177–83. Bibcode:2016Natur.530..177.. doi:10...
27 KB (2,719 words) - 06:51, 25 June 2025
cells, leading to cell lysis and death. The MAC is composed of the complement components C5b, C6, C7, C8 and several C9 molecules. A number of proteins participate...
9 KB (1,147 words) - 08:12, 30 December 2024