Two distinct nuclear factors bind the conserved regulatory sequences of a rabbit major histocompatibility complex class II gene.

Abstract

The constitutive coexpression of the major histocompatibility complex (MHC) class II genes in B lymphocytes requires positive, trans-acting transcriptional factors. The need for these trans-acting factors has been suggested by the reversion of the MHC class II-negative phenotype of rare B-lymphocyte mutants through somatic cell fusion with B cells or T-cell… (More)

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