Long non-coding RNA HOTAIR in carcinogenesis and metastasis

Jinsong Zhang, Peijing Zhang, Li Wang, Hai Long Piao, Li Ma

Research output: Contribution to journalReview articlepeer-review

155 Scopus citations

Abstract

Long non-coding RNAs (lncRNAs) have gained massive attention in recent years as a potentially new and crucial layer of gene regulation. LncRNAs are prevalently transcribed in the genome, but their roles in gene regulation and disease development are largely unknown. HOX antisense intergenic RNA (HOTAIR), a lncRNA located in the HOXC locus, has been shown to repress HOXD gene expression and promote breast cancer metastasis. Mechanistically, HOTAIR interacts with and recruits polycomb repressive complex 2 (PRC2) and regulates chromosome occupancy by EZH2 (a subunit of PRC2), which leads to histone H3 lysine 27 trimethylation of the HOXD locus. Moreover, HOTAIR is pervasively overexpressed in most human cancers compared with noncancerous adjacent tissues. This review summarizes the studies on the HOTAIR lncRNA over the past 6 years.

Original languageEnglish (US)
Pages (from-to)1-5
Number of pages5
JournalActa biochimica et biophysica Sinica
Volume46
Issue number1
DOIs
StatePublished - Jan 2014

Keywords

  • HOTAIR
  • cancer
  • carcinogenesis
  • lncRNA
  • metastasis

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry

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