Regulation of the germinal center response by MicroRNA-155

To Ha Thai, Dinis Pedro Calado, Stefano Casola, K. Mark Ansel, Changchun Xiao, Yingzi Xue, Andrew Murphy, David Frendewey, David Valenzuela, Jeffery L. Kutok, Marc Schmidt-Supprian, Nikolaus Rajewsky, George Yancopoulos, Anjana Rao, Klaus Rajewsky

Research output: Contribution to journalArticlepeer-review

1347 Scopus citations

Abstract

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. These results also suggest that individual microRNAs can exert critical control over mammalian differentiation processes in vivo.

Original languageEnglish
Pages (from-to)604-608
Number of pages5
JournalScience
Volume316
Issue number5824
DOIs
StatePublished - 27 Apr 2007
Externally publishedYes

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