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| http://purl.uniprot.org/citations/12413696 | http://www.w3.org/2000/01/rdf-schema#comment | "Human C8 is one of five complement components (C5b, C6, C7, C8 and C9) that interact to form the cytolytic membrane attack complex (MAC) on bacterial cell membranes. It is an oligomeric protein composed of a disulfide-linked C8 alpha-gamma heterodimer and a non-covalently associated C8 beta chain. Previous studies revealed that C8 alpha and C8 beta have distinct roles in the formation of the MAC on simple cells such as erythrocytes and that both subunits are essential for cell lysis. These studies also determined that C8 gamma is not required for expression of MAC hemolytic activity. To determine if these conclusions are applicable to more biologically relevant systems, the C8 subunits were examined for their ability to support complement-mediated killing of Gram-negative bacteria. Results indicate: (1) C8 alpha-gamma, C8 alpha, C8 beta and C8 gamma have no independent bactericidal activity; (2) bacterial killing requires C8 beta and either C8 alpha-gamma or C8 alpha; (3) C8 alpha is an effective substitute for C8 alpha-gamma in bacterial killing; and (4) C8 gamma enhances, but is not required for C8 bactericidal activity. Together, these data suggest that C8 alpha and C8 beta have correspondingly similar roles in MAC-mediated lysis of erythrocytes and bacterial killing. Furthermore, they provide the first direct evidence that C8 gamma is not required for complement-mediated killing of Gram-negative bacteria."xsd:string |
| http://purl.uniprot.org/citations/12413696 | http://purl.org/dc/terms/identifier | "doi:10.1016/s0161-5890(02)00121-9"xsd:string |
| http://purl.uniprot.org/citations/12413696 | http://purl.uniprot.org/core/author | "Parker C.L."xsd:string |
| http://purl.uniprot.org/citations/12413696 | http://purl.uniprot.org/core/author | "Sodetz J.M."xsd:string |
| http://purl.uniprot.org/citations/12413696 | http://purl.uniprot.org/core/date | "2002"xsd:gYear |
| http://purl.uniprot.org/citations/12413696 | http://purl.uniprot.org/core/name | "Mol Immunol"xsd:string |
| http://purl.uniprot.org/citations/12413696 | http://purl.uniprot.org/core/pages | "453-458"xsd:string |
| http://purl.uniprot.org/citations/12413696 | http://purl.uniprot.org/core/title | "Role of the human C8 subunits in complement-mediated bacterial killing: evidence that C8 gamma is not essential."xsd:string |
| http://purl.uniprot.org/citations/12413696 | http://purl.uniprot.org/core/volume | "39"xsd:string |
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