Differential allelic expression among long non-coding rnas

Michael B. Heskett, Paul T. Spellman, Mathew J. Thayer

Research output: Contribution to journalReview articlepeer-review

Abstract

Long non-coding RNAs (lncRNA) comprise a diverse group of non-protein-coding RNAs >200 bp in length that are involved in various normal cellular processes and disease states, and can affect coding gene expression through mechanisms in cis or in trans. Since the discovery of the first functional lncRNAs transcribed by RNA Polymerase II, H19 and Xist, many others have been identified and noted for their unusual transcriptional pattern, whereby expression from one chromosome homolog is strongly favored over the other, also known as mono-allelic or differential allelic expression. lncRNAs with differential allelic expression have been observed to play critical roles in developmental gene regulation, chromosome structure, and disease. Here, we will focus on known examples of differential allelic expression of lncRNAs and highlight recent research describing functional lncRNAs expressed from both imprinted and random mono-allelic expression domains.

Original languageEnglish (US)
Article number66
JournalNon-coding RNA
Volume7
Issue number4
DOIs
StatePublished - Dec 2021

Keywords

  • ASAR
  • Allele specific
  • Epigenetics
  • LncRNA
  • Xist

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Genetics

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