miR-150, a microRNA expressed in mature B and T cells, blocks early B cell development when expressed prematurely.

Abstract

MicroRNAs (miRNAs) are a family of approximately 22-nt noncoding RNAs that can posttranscriptionally regulate gene expression. Several miRNAs are specifically expressed in hematopoietic cells. Here we show that one such miRNA, miR-150, is mainly expressed in the lymph nodes and spleen and is highly up-regulated during the development of mature T and B cells… (More)

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