The alternative pathway is a type of cascade reaction of the complement system and is a component of the innate immune system, a natural defense against...
7 KB (865 words) - 03:25, 26 May 2025
classical complement pathway is one of three pathways which activate the complement system, which is part of the immune system. The classical complement pathway...
16 KB (1,885 words) - 20:22, 29 May 2025
biochemical pathways activate the complement system: the classical complement pathway, the alternative complement pathway, and the lectin pathway. The alternative...
43 KB (5,123 words) - 00:05, 4 August 2025
C3-convertase (redirect from Complement c3 convertase, alternative pathway)
formation can occur in three different pathways: the classical, lectin, and alternative pathways. Cleavage of complement C3 by a free floating convertase,...
10 KB (1,319 words) - 01:19, 29 November 2024
lectin pathway or MBL pathway is a type of cascade reaction in the complement system, similar in structure to the classical complement pathway, in that...
7 KB (870 words) - 08:40, 30 July 2025
Factor D (redirect from Complement factor d)
the bloodstream. The encoded protein is a component of the alternative complement pathway best known for its role in humoral suppression of infectious...
18 KB (2,047 words) - 23:18, 16 August 2023
alternative pathway of complement activation. Factor B circulates in the blood as a single chain polypeptide. Upon activation of the alternative pathway, it is...
9 KB (1,095 words) - 16:58, 16 July 2025
activation of the complement system. Its activation is required for both classical and alternative complement activation pathways. People with C3 deficiency...
15 KB (1,758 words) - 16:58, 16 July 2025
response. Different complement receptors can participate in either the classical complement pathway, the alternative complement pathway, or both. White blood...
6 KB (380 words) - 05:28, 19 July 2025
(mRNA) of the complement factor B (CFB) gene, preventing CFB protein production. CFB is a key component of the alternative pathway of complement activation...
12 KB (845 words) - 05:36, 21 July 2025
was an American immunologist, an early investigator of the alternative complement pathway (a system of defense not dependent upon antibodies). Pillemer...
5 KB (597 words) - 13:59, 3 September 2024
Alternative-complement-pathway C3/C5 convertase (EC 3.4.21.47, complement component C3/C5 convertase (alternative), proenzyme factor B, properdin factor...
2 KB (256 words) - 21:14, 1 September 2023
complement pathway in particular the alternative complement pathway is evolutionary ancient. The TEP1 cascade most closely resembles the alternative pathway...
15 KB (1,740 words) - 21:16, 4 December 2024
"Simplified assays of hemolytic activity of the classical and alternative complement pathways". Journal of Immunological Methods. 72 (1): 49–59. doi:10...
5 KB (559 words) - 05:55, 27 May 2025
disease spirochetes to the bacteriolytic activities of the alternative complement pathway of various host species may determine its reservoir host association...
239 KB (25,458 words) - 12:26, 1 August 2025
Neisseria meningitidis (section Complement inhibition)
species is the main inhibitor of the alternative complement pathway. fHbp protects meningococci from complement-mediated death in human serum experiments...
41 KB (4,632 words) - 21:38, 29 May 2025
energy (anabolic pathway), or break down complex molecules and release energy in the process (catabolic pathway). The two pathways complement each other in...
26 KB (3,020 words) - 21:29, 29 May 2025
immunoglobulins inhibit factor H (a complement regulatory protein) causing uninhibited activation of the alternative complement pathway and C3 deposition in the...
14 KB (1,590 words) - 21:26, 19 February 2024
C1 complex (category Complement system)
(complement component 1, C1) is a protein complex involved in the complement system. It is the first component of the classical complement pathway and...
4 KB (390 words) - 16:45, 16 July 2025
type III hypersensitivity reaction). The activation of the alternative complement pathway results in the deposition of IgA aggregates or IgA complexes...
31 KB (3,424 words) - 03:53, 9 August 2025
even be required. Complement proteins involved in innate opsonization include C4b, C3b and iC3b. In the alternative pathway of complement activation, circulating...
13 KB (1,529 words) - 10:14, 5 August 2025
the C3bBb C3 convertase of the alternative pathway. Thus, by limiting the amplification convertases of the complement cascade, DAF indirectly blocks the...
8 KB (962 words) - 17:05, 16 July 2025
the alternative complement pathway and regulates the cleavage of C3, generation of downstream effectors, and the amplification of the terminal pathway. In...
15 KB (1,004 words) - 06:05, 22 June 2025
classical complement pathway of the complement system. The antibodies IgM and all IgG subclasses except IgG4 are able to initiate the complement system....
7 KB (691 words) - 05:28, 19 July 2025
M protein also inhibits opsonization by the alternative complement pathway by binding to host complement regulators. The M protein found on some serotypes...
41 KB (4,043 words) - 16:39, 19 July 2025
C3b (redirect from Complement c3b)
cleavage can occur via three mechanisms (classical pathway, alternative pathway and lectin pathway) that ultimately lead to the formation of a C3 convertase...
9 KB (1,157 words) - 11:27, 23 June 2025
Factor H (redirect from Complement factor h)
H is to regulate the alternative pathway of the complement system, a key component of innate immunity. It ensures that complement activation is directed...
31 KB (3,694 words) - 05:47, 19 July 2025
the alternative complement pathway and also interferes with complement regulation by binding to complement factor H, an inhibitor of the complement cascade...
56 KB (5,766 words) - 09:09, 19 July 2025
entire complement pathway. Consequently, levels of all complement proteins become low. The complement pathway is composed of several subset pathways: the...
6 KB (711 words) - 19:22, 24 June 2025
C5-convertase (category Complement system)
physiological complement enzymes, associate to the cell-surface and mediate the classical pathway (C4b2b3b, or C4b2a3b depending on source) or the alternative pathway...
12 KB (1,660 words) - 03:36, 19 December 2024