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Immunology logoLink to Immunology
. 1990 Apr;69(4):558–563.

A monoclonal antibody to Ly-6 gene product inhibits generation of functionally active T cells and recognizes single antigenic specificity whose expression is up-regulated in virus-transformed rat fibroblast.

A Haque 1, M Chamekh 1, J Cornelis 1, A Capron 1, S Haque 1
PMCID: PMC1385629  PMID: 1692303

Abstract

In order to elucidate the relationship between the structure and function of proteins encoded for by the Ly-6 gene complex, a cDNA was constructed for a Ly-6.2 specificity and then monoclonal antibodies (mAb) generated to bacterially synthesized protein. The addition of one of these mAb, designated Pb-19, inhibited the proliferative response of T cells to concanavalin A (Con A) or major histocompatability complex (MHC) alloantigens. Reactivity of Pb-19 to the Ly-6 specificity was blocked by a known anti-Ly-6.A.2 mAb but not by an anti-Ly-6.E.1 mAb. This mAb detected a Ly-6.A.2 specificity (a 33,000 MW antigen) whose expression was increased in a transformed rat fibroblast containing the entire genome of bovine papillomavirus.

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Selected References

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