T-cell receptor genes in autoimmune mice: T-cell subsets have unexpected T-cell receptor gene programs.

AUTOR(ES)

Hashimoto, Y

RESUMO

Two unique cell subsets have been identified in the autoimmune-prone MRL/MP lpr/lpr and C3H/HeJ gld/gld murine strains that have the Lyt-2-,L3T4-,Thy-1+, and Lyt-2-,L3T4-,Ia-,Thy-1- phenotypes, respectively. We have now found that these cells express T-cell receptor proteins on their surface. Our observations further indicate that the expression of the Thy-1 antigen does not correlate with the expression of alpha-chain and beta-chain T-cell receptor polypeptides. Interestingly, T-cell receptor gamma-chain RNA expression may be influenced or correlate with Thy-1 molecular expression. These studies indicate unusual relationships of different cell-surface structures that may reflect unexpected developmental programs.

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