Coutelier JP. Enhancement of IgG production elicited in mice by treatment with anti-CD8 antibody.
Eur J Immunol 1991;
21:2617-20. [PMID:
1680704 DOI:
10.1002/eji.1830211046]
[Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Injection of an anti-CD8 monoclonal antibody into mice was followed by an increase in the production of immunoglobulins of the IgG1, IgG2a and IgG2b, but neither the IgG3 nor the IgM isotypes. A maximal effect was observed 6 days after administration of 100 micrograms antibody. However, no modification of spleen cell proliferation was elicited by the anti-CD8 treatment. Virally induced IgG2a and IgG2b secretion remained unchanged in mice infected with lactate dehydrogenase-elevating virus that received a concomitant injection of anti-CD8 antibody, whereas an enhancement of IgG1 was observed. Simultaneous treatment with an anti-CD4 antibody abrogated the immunoglobulin secretion triggered by anti-CD8. These results suggest that immunoglobulin production in unmanipulated mice is controlled by CD8+ lymphocytes.
Collapse