Skip to main navigation Skip to search Skip to main content

The RNA-binding motif protein 14 regulates telomere integrity at the interface of TERRA and telomeric R-loops

  • Yajun Wang
  • , Wei Zhu
  • , Yumi Jang
  • , Joshua A. Sommers
  • , Gong Yi
  • , Chandrakala Puligilla
  • , Deborah L. Croteau
  • , Y. Yang
  • , Mihoko Kai
  • , Yie Liu
  • Fox Chase Cancer Center
  • National Institute on Aging, Baltimore, MD, United States
  • Johns Hopkins University School of Medicine
  • National Institute on Aging

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Telomeric repeat-containing RNA (TERRA) and its formation of RNA:DNA hybrids (or TERRA R-loops), influence telomere maintenance, particularly in human cancer cells that use homologous recombination-mediated alternative lengthening of telomeres. Here, we report that the RNA-binding motif protein 14 (RBM14) is associated with telomeres in human cancer cells. RBM14 negatively regulates TERRA expression. It also binds to TERRA and inhibits it from forming TERRA R-loops at telomeres. RBM14 depletion has several effects, including elevated TERRA levels, telomeric R-loops, telomere dysfunction-induced DNA damage foci formation, particularly in the presence of DNA replication stress, pRPA32 accumulation at telomeres and telomere signal-free ends. Thus, RBM14 protects telomere integrity via modulating TERRA levels and its R-loop formation at telomeres.
Original languageEnglish
Pages (from-to)12242-12260
Number of pages19
JournalNucleic Acids Research
Volume51
Issue number22
DOIs
StatePublished - Dec 11 2023

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • DNA/genetics
  • Humans
  • Neoplasms/genetics
  • R-Loop Structures
  • RNA, Long Noncoding/genetics
  • RNA-Binding Motifs
  • RNA/genetics
  • Telomere Homeostasis
  • Telomere/genetics

Fingerprint

Dive into the research topics of 'The RNA-binding motif protein 14 regulates telomere integrity at the interface of TERRA and telomeric R-loops'. Together they form a unique fingerprint.
  • Cell Culture Facility

    Campbell, PhD, K. S. (Director) & Yan PhD , Y. (Manager)

    Equipment/facility: Facility

Cite this