• Thumbnail for Classical complement pathway
    The classical complement pathway is one of three pathways which activate the complement system, which is part of the immune system. The classical complement...
    16 KB (1,885 words) - 20:22, 29 May 2025
  • 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) - 03:25, 26 May 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) - 16:58, 16 July 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
  • here – classical complement pathway). In brief, the crucial role of C1q in the pathway is its importance as the first protein to start the complement cascade...
    6 KB (711 words) - 19:22, 24 June 2025
  • 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 (870 words) - 17:45, 16 July 2025
  • Thumbnail for Complement component 1q
    the 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
  • 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
  • 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
  • Thumbnail for Apolipoprotein E
    the brain. Apo-E qualifies as a checkpoint inhibitor of the classical complement pathway by complex formation with activated C1q. Apolipoproteins are...
    56 KB (6,237 words) - 06:47, 26 July 2025
  • the C1s enzyme and inhibits its enzymatic propagation of the classical complement pathway, thereby, preventing the formation of the C3-convertase enzyme...
    14 KB (1,039 words) - 22:17, 29 May 2025
  • Thumbnail for C-reactive protein
    isotype antibodies also bind. In addition, CRP activates the classical complement pathway via C1q binding. CRP thus forms immune complexes in the same...
    48 KB (5,497 words) - 17:00, 16 July 2025
  • Thumbnail for Dermatomyositis
    target muscle and skin antigens, leading to the activation of the classical complement pathway, ultimately forming the membrane attack complex (MAC) on the...
    34 KB (3,477 words) - 19:14, 25 July 2025
  • or loss of function through mechanisms such as complement activation via the classical complement pathway Antibody-dependent cellular cytotoxicity or anti-receptor...
    6 KB (486 words) - 00:17, 22 May 2025
  • Thumbnail for Antibody
    to C1q, but IgA cannot, therefore IgA does not activate the classical complement pathway. Another role of the Fc region is to selectively distribute different...
    126 KB (13,978 words) - 20:50, 16 July 2025
  • concentrations of ATG can induce lysis of T lymphocytes through the classical complement pathway along with B cell and NK cell depletion as well . Thymoglobulin...
    6 KB (833 words) - 01:44, 15 July 2025
  • on target cell (e.g. bacterial or viral infected cell), the classical complement pathway is triggered by bonding protein C1q to these antibodies, resulting...
    8 KB (957 words) - 03:12, 2 June 2025
  • Thumbnail for Hypersensitivity
    as skin, joints, vessels, or glomeruli, and trigger the classical complement pathway. Complement activation leads to the recruitment of inflammatory cells...
    21 KB (1,931 words) - 16:56, 17 July 2025
  • Thumbnail for IgA nephropathy
    other immunoglobulins (IgG or IgM). Early components of the classical complement pathway (C1q or C4) are usually not seen. Electron microscopy confirms...
    34 KB (3,938 words) - 20:01, 29 June 2025
  • covalently to somatic cells, as a result of activation of the classical complement pathway. They appear potentially useful for the diagnosis of systemic...
    2 KB (258 words) - 14:56, 14 July 2025
  • Thumbnail for Complement component 1s
    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
  • Thumbnail for Isotype (immunology)
    efficient activator of pro-inflammatory responses by triggering the classical complement pathway. It has the shortest half-life compared to the other IgG subclasses...
    13 KB (1,717 words) - 18:54, 9 February 2025
  • pathways activate the complement system: the classical complement pathway, the alternate complement pathway, and the mannose-binding lectin pathway....
    17 KB (1,673 words) - 10:01, 25 May 2025
  • Penicillin (high dose) Quinidine (IgM mediated activation of classical complement pathway and Membrane attack complex, MAC) (A memory device to remember...
    14 KB (1,664 words) - 14:05, 2 June 2025
  • Thumbnail for C5-convertase
    C5-convertase (category Complement system)
    or the alternative pathway (C3bBbC3b) of complement system. Two fluid phase C5 convertases have been described: the classical pathway enzyme, C4b2boxy3b...
    12 KB (1,660 words) - 03:36, 19 December 2024
  • tests the classical complement pathway and thus requires functioning C1-C9 factors. If an individual has deficient or malfunctioning complement factors...
    5 KB (559 words) - 05:55, 27 May 2025
  • 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...
    15 KB (1,758 words) - 16:58, 16 July 2025
  • Thumbnail for Pentraxins
    bacterial capsular swelling and phagocytosis, and activates the classical complement pathway through its calcium-dependent binding to phosphocholine. CRPs...
    8 KB (870 words) - 03:18, 29 November 2023
  • the alternative pathway as insects do not possess adaptive immunity. Therefore, unlike the classical complement pathway the TEP1 pathway is antibody independent...
    15 KB (1,740 words) - 21:16, 4 December 2024
  • the classical complement pathway leading to complement mediated hemolysis of RBCs in RE system. Rarely, a biphasic IgG antibody leads to complement mediated...
    31 KB (3,660 words) - 23:30, 9 July 2025