• Thumbnail for Alternative complement pathway
    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) - 13:08, 7 September 2024
  • Thumbnail for Classical complement pathway
    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 (1,877 words) - 16:06, 20 January 2025
  • Thumbnail for Complement system
    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) - 01:37, 20 April 2025
  • Thumbnail for C3-convertase
    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
  • response. Different complement receptors can participate in either the classical complement pathway, the alternative complement pathway, or both. White blood...
    6 KB (376 words) - 06:42, 5 March 2024
  • Thumbnail for Lectin pathway
    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 (879 words) - 13:43, 13 January 2025
  • Thumbnail for Factor D
    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
  • Thumbnail for Complement component 3
    activation of the complement system. Its activation is required for both classical and alternative complement activation pathways. People with C3 deficiency...
    13 KB (1,556 words) - 13:28, 23 September 2024
  • Thumbnail for Complement factor B
    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) - 07:56, 3 January 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
  • Thumbnail for C3b
    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) - 21:44, 31 December 2023
  • 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
  • the classical complement pathway and thus requires functioning C1-C9 factors. If an individual has deficient or malfunctioning complement factors, then...
    5 KB (559 words) - 15:53, 23 January 2024
  • 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
  • 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) - 03:01, 21 January 2024
  • Thumbnail for Complement component 1q
    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) - 18:41, 21 December 2023
  • Thumbnail for Neisseria meningitidis
    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) - 00:18, 14 November 2024
  • Thumbnail for Hemolytic–uremic syndrome
    the alternative complement pathway and also interferes with complement regulation by binding to complement factor H, an inhibitor of the complement cascade...
    56 KB (5,764 words) - 03:14, 11 April 2025
  • Thumbnail for Lyme disease
    disease spirochetes to the bacteriolytic activities of the alternative complement pathway of various host species may determine its reservoir host association...
    241 KB (25,599 words) - 04:12, 28 April 2025
  • Thumbnail for C3a (complement)
    than the alternative pathway, which is constantly active, C3a formation is triggered by pathogenic infection. The classical pathway of complement activation...
    17 KB (2,036 words) - 05:36, 19 February 2024
  • 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) - 09:20, 23 December 2024
  • 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
  • Thumbnail for Streptococcus pyogenes
    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) - 23:00, 28 April 2025
  • Thumbnail for Henoch–Schönlein purpura
    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) - 06:18, 19 April 2025
  • Thumbnail for Factor H
    Factor H (redirect from Complement factor h)
    principal function is to regulate the alternative pathway of the complement system, ensuring that the complement system is directed towards pathogens or...
    31 KB (3,691 words) - 18:12, 28 February 2025
  • Thumbnail for Decay-accelerating factor
    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) - 14:13, 29 January 2023
  • Thumbnail for Iptacopan
    the alternative complement pathway and regulates the cleavage of C3, generation of downstream effectors, and the amplification of the terminal pathway. In...
    14 KB (978 words) - 19:46, 28 March 2025
  • Thumbnail for Complement membrane attack complex
    three pathways of the complement system (classical, lectin and alternative pathways) initiate the formation of MAC. Another complement protein, C6, binds...
    9 KB (1,147 words) - 08:12, 30 December 2024
  • Thumbnail for Metabolic pathway
    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 (3,004 words) - 14:53, 9 December 2024
  • Thumbnail for C5-convertase
    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