Complement-mediated cytolytic activity associated with cytomegalovirus complement-fixing IgM antibody
✍ Scribed by Dr. J. C. Booth; H. S. Mohammed
- Publisher
- John Wiley and Sons
- Year
- 1988
- Tongue
- English
- Weight
- 504 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0146-6615
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✦ Synopsis
Cytomegalovirus-specific complement-fixing IgM (CMV CF-IgM) antibody was detected in 12/84 (14.3 percent) sera containing CMV-specific IgM. Higher titres were obtained by using a purified antigen preparation containing enveloped virus particles and membrane fragments when compared with a crude extract of infected cells, suggesting that the CF component of CMV IgM reacts predominantly with antigens on the surface of the infected cells. This also accounts for its complementmediated cytolytic activity. Neither CMV-specific non-complement-fixing IgM nor CMV-specific IgG demonstrates cytolytic activity.
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