Methylation modification of non-histone proteins in breast cancer: An emerging targeted therapeutic strategy

Mingyao Huang1, Zirong Jiang2, Yadan Xu3

  • 1Department of Breast Surgery, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou 350011, China.

Pharmacological Research
|August 18, 2024
PubMed

Insights

Non-histone methylation plays a key role in breast cancer development and progression. Targeting enzymes like protein arginine methyltransferases (PRMTs) and lysine methyltransferases (KMTs) offers new therapeutic strategies for breast cancer treatment.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • Breast cancer is a leading cause of cancer deaths globally, particularly among women.
  • Non-histone methylation regulates critical cellular processes involved in cancer, including oncogenesis and immune response.
  • Aberrant methylation patterns are increasingly recognized as significant drivers in breast cancer progression.

Purpose of the Study:

  • To review the enzymes involved in non-histone methylation, such as protein arginine methyltransferases (PRMTs) and lysine methyltransferases (KMTs).
  • To explore the molecular mechanisms and functional roles of non-histone methylation in breast cancer.
  • To discuss the therapeutic potential of targeting these methylation pathways for improved breast cancer treatment and overcoming drug resistance.

Main Methods:

  • Literature review of recent studies on non-histone methylation in breast cancer.
  • Analysis of the roles of specific methyltransferases (PRMTs, KMTs) and demethylases.
  • Examination of the impact of methylation on protein function and cancer-related pathways.

Main Results:

  • Non-histone methylation significantly influences protein activity, localization, and stability, affecting oncogenesis, tumor growth, invasion, and immune evasion.
  • Specific methyltransferases and demethylases are implicated in modulating breast cancer progression.
  • Dysregulated methylation pathways are linked to therapeutic resistance in breast cancer.

Conclusions:

  • Non-histone methylation is a critical regulatory mechanism in breast cancer.
  • Targeting methyltransferases and demethylases presents promising therapeutic avenues for breast cancer.
  • Further research into these pathways could lead to novel strategies to enhance treatment efficacy and overcome drug resistance.

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