alexa Equivalence of human and mouse CD4 in enhancing antigen responses by a mouse class II-restricted T cell hybridoma.
Infectious Diseases

Infectious Diseases

Journal of Clinical Infectious Diseases & Practice

Author(s): von Hoegen P, Miceli MC, Tourvieille B, Schilham M, Parnes JR

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Abstract We have examined the ability of hCD4 to interact functionally with mouse class II MHC molecules using the mouse T cell hybridoma BI-141, specific for beef insulin. We have previously shown that expression of mouse CD4 results in a marked enhancement of IL-2 release by BI-141 cells in response to beef insulin or, in a cross-reactive response, to pork insulin, on the appropriate mouse APCs. We now demonstrate that expression of hCD4 results in an equivalent stimulation of antigen responses by this mouse T cell hybridoma. The specificity of this effect was demonstrated by mAb and gp120 blocking studies. These data provide the first direct evidence for function of hCD4 and in an exclusively mouse system.
This article was published in J Exp Med and referenced in Journal of Clinical Infectious Diseases & Practice

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