Specificity and idiotype analysis of a monoclonal anti-DNA antibody.
Journal Article
The binding properties and idiotypes of a monoclonal anti-DNA antibody were studied to investigate the control of specificity in this autoimmune response. This antibody, A9, was derived from the fusion of spleen cells of an MRL-lpr/lpr mouse and the cell line X63-Ag8.653. In inhibition binding studies, A9 showed preference for single-stranded DNA and bound both ribo- and deoxyribohomopolymers. An antiserum prepared in a rabbit against A9 showed anti-idiotypic specificity after absorption with BALB/c immunoglobulins and the BALB/c myeloma MOPC 195. At least two distinct idiotypic specificities could be demonstrated by this serum, one apparently exclusive to A9 and one commonly expressed in sera of MRL-lpr/lpr mice. Serum levels of the commonly expressed A9 idiotype were also elevated in sera of C3H mice expressing the lpr gene suggesting association with B-cell activation induced by this genetic mechanism. The demonstration of a commonly expressed A9 idiotype indicates that some autoantibody variable region determinants may be genetically controlled.
Full Text
Duke Authors
Cited Authors
- Pisetsky, D
Published Date
- June 1, 1983
Published In
Volume / Issue
- 27 / 3
Start / End Page
- 348 - 356
PubMed ID
- 6191903
Pubmed Central ID
- 6191903
International Standard Serial Number (ISSN)
- 0090-1229
Digital Object Identifier (DOI)
- 10.1016/0090-1229(83)90087-9
Language
- eng
Conference Location
- United States