RNA binding proteins implicated in Xist-mediated chromosome silencing

Semin Cell Dev Biol. 2016 Aug:56:58-70. doi: 10.1016/j.semcdb.2016.01.029. Epub 2016 Jan 24.

Abstract

Chromosome silencing by Xist RNA occurs in two steps; localisation in cis within the nuclear matrix to form a domain that corresponds to the territory of the inactive X chromosome elect, and transduction of silencing signals from Xist RNA to the underlying chromatin. Key factors that mediate these processes have been identified in a series of recent studies that harnessed comprehensive proteomic or genetic screening strategies. In this review we discuss these findings in light of prior knowledge both of Xist-mediated silencing and known functions/properties of the novel factors.

Keywords: Chromatin; Epigenetic; Non-coding RNA; X chromosome inactivation; Xist.

Publication types

  • Review

MeSH terms

  • Animals
  • Heterogeneous-Nuclear Ribonucleoproteins / metabolism
  • Humans
  • Models, Genetic
  • RNA, Long Noncoding / metabolism*
  • RNA-Binding Proteins / metabolism*
  • X Chromosome Inactivation / genetics*

Substances

  • Heterogeneous-Nuclear Ribonucleoproteins
  • RNA, Long Noncoding
  • RNA-Binding Proteins
  • XIST non-coding RNA