Regulation of the Germinal Center Response by MicroRNA-155

cappuccion submitted, created time 1 year 8 months (www.sciencemag.org)

MicroRNAs are small RNA species involved in biological control at multiple levels. Using genetic deletion and transgenic approaches, we show that the evolutionarily conserved microRNA-155 (miR-155) has an important role in the mammalian immune system, specifically in regulating T helper cell differentiation and the germinal center reaction to produce an optimal T cell–dependent antibody response. miR-155 exerts this control, at least in part, by regulating cytokine production

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