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10.1016_j.semcancer.2022.03.019.pdf (1.14 MB)

Epigenetic regulation of CXCR4 signaling in cancer pathogenesis and progression

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journal contribution
submitted on 2023-12-06, 11:35 and posted on 2023-12-07, 07:12 authored by Reem Khaled M.E. Alsayed, Abdul Q. Khan, Fareed Ahmad, Abdul Wahid Ansari, Majid Ali Alam, Jorg Buddenkotte, Martin Steinhoff, Shahab Uddin, Aamir Ahmad

Signaling involving chemokine receptor CXCR4 and its ligand SDF-1/CXL12 has been investigated for many years for its possible role in cancer progression and pathogenesis. Evidence emerging from clinical studies in recent years has further established diagnostic as well as prognostic importance of CXCR4 signaling. CXCR4 and SDF-1 are routinely reported to be elevated in tumors, distant metastases, which correlates with poor survival of patients. These findings have kindled interest in the mechanisms that regulate CXCR4/SDF-1 expression. Of note, there is a particular interest in the epigenetic regulation of CXCR4 signaling that may be responsible for upregulated CXCR4 in primary as well as metastatic cancers. This review first lists the clinical evidence supporting CXCR4 signaling as putative cancer diagnostic and/or prognostic biomarker, followed by a discussion on reported epigenetic mechanisms that affect CXCR4 expression. These mechanisms include regulation by non-coding RNAs, such as, microRNAs, long non-coding RNAs and circular RNAs. Additionally, we also discuss the regulation of CXCR4 expression through methylation and acetylation. Better understanding and appreciation of epigenetic regulation of CXCR4 signaling can invariably lead to identification of novel therapeutic targets as well as therapies to regulate this oncogenic signaling.

Other Information

Published in: Seminars in Cancer Biology
License: http://creativecommons.org/licenses/by/4.0/
See article on publisher's website: https://dx.doi.org/10.1016/j.semcancer.2022.03.019

Funding

Open Access funding provided by the Qatar National Library.

History

Language

  • English

Publisher

Elsevier

Publication Year

  • 2022

License statement

This Item is licensed under the Creative Commons Attribution 4.0 International License.

Institution affiliated with

  • Hamad Medical Corporation
  • Academic Health System - HMC
  • Interim Translational Research Institute - HMC
  • Dermatology Institute - HMC
  • Rumailah Hospital - HMC
  • Weill Cornell Medicine - Qatar
  • Qatar University
  • Laboratory Animal Research Center - QU

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