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In order to test the concepts that aminoacyl-tRNAs in plasmacytomas may on the one hand modulate the protein synthesized or on the other hand reflect the structure of the synthesized protein, the RPC-5 chromatographic profiles of aminoacyl-tRNAs for all 20 amino acids were studied in tRNA prepared
Proline-rich homeobox (Prh) is a novel human homeobox-containing gene recently isolated from the CD34+ cell line KG-1A, and whose expression appears mainly restricted to hematopoietic tissues. To define the pattern of Prh expression within the human hematopoietic system, we have analyzed its
The major histocompatibility complex (MHC) class II transactivator (CIITA) acts as a master switch to activate expression of the genes required for MHC-II antigen presentation. During B-cell to plasma cell differentiation, MHC-II expression is actively silenced, but the mechanism has been unknown.