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Application of MassSQUIRM for Quantitative Measurements of Lysine Demethylase Activity
07:02

Application of MassSQUIRM for Quantitative Measurements of Lysine Demethylase Activity

Published on: March 11, 2012

Epigenetic Regulation by Lysine Demethylase 5 (KDM5) Enzymes in Cancer

Lauren P Blair1, Jian Cao, Mike Ran Zou

  • 1Department of Pathology, Yale University School of Medicine, New Haven, CT, USA.

Cancers
|May 6, 2011
PubMed

Insights

Epigenetic regulators like KDM5/JARID1 histone demethylases are crucial in cancer. Inhibiting these enzymes, such as RBP2 and JARID1B, shows promise for cancer therapy by suppressing tumor growth.

Area of Science:

  • Molecular Biology
  • Cancer Research
  • Epigenetics

Background:

  • Epigenetic aberrations, alongside genetic alterations, drive tumor initiation and progression.
  • Dysregulation of epigenetic state regulators contributes to cancer development.
  • The KDM5/JARID1 family of histone demethylases plays a role in maintaining epigenetic states.

Purpose of the Study:

  • To review current knowledge on the KDM5/JARID1 family of histone demethylases.
  • To highlight the role of specific family members (RBP2, JARID1B) in cancer.
  • To explore the therapeutic potential of inhibiting these enzymes in cancer treatment.

Main Methods:

  • Review of existing literature on KDM5/JARID1 histone demethylases.
  • Analysis of preclinical studies investigating the function of RBP2 and JARID1B in cancer models.
  • Evaluation of the therapeutic rationale for KDM5/JARID1 inhibitors.

Main Results:

  • The KDM5/JARID1 family comprises histone demethylases with a JmjC domain, removing methyl marks from histone H3 lysine 4.
  • RBP2 is implicated in mediating drug resistance in cancer.
  • JARID1B is essential for the maintenance of melanoma.
  • Preclinical studies demonstrate that inhibiting these enzymes can suppress tumorigenesis.

Conclusions:

  • The KDM5/JARID1 family of histone demethylases are significant contributors to cancer.
  • Targeting these enzymes, particularly RBP2 and JARID1B, presents a viable strategy for cancer therapy.
  • Further development of KDM5/JARID1 inhibitors is warranted for clinical application in oncology.

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