KDM3A interacted with p53K372me1 and regulated p53 binding to PUMA in gastric cancer

Wenfeng Li1, Shuangming Lin1, Wenhuan Li2

  • 1The Department of Gastrointestinal and Anus Surgery, The Affiliated Longyan First Hospital of Fujian Medical University, Longyan 364000, Fujian Province, PR China.

Insights

Knocking down KDM3A enhances chemotherapy effectiveness in gastric cancer by promoting p53-mediated apoptosis. This study reveals KDM3A

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • Chemoresistance significantly limits gastric cancer treatment efficacy.
  • The molecular mechanisms driving chemoresistance are not fully understood.

Purpose of the Study:

  • To investigate the role of KDM3A in gastric cancer chemoresistance.
  • To elucidate the mechanism by which KDM3A influences chemotherapy response.

Main Methods:

  • Utilized knockdown of KDM3A in gastric cancer models.
  • Assessed apoptosis induction by chemotherapeutic agents (Cisplatin, Paclitaxel).
  • Investigated p53 pathway activation and protein-protein interactions.

Main Results:

  • KDM3A knockdown promotes apoptosis induced by Cisplatin and Paclitaxel.
  • KDM3A knockdown enhances p53 binding to the PUMA promoter, increasing apoptosis.
  • KDM3A interacts with p53K372me1, potentially inactivating p53 and contributing to chemoresistance.

Conclusions:

  • KDM3A plays a critical role in gastric cancer chemoresistance.
  • Targeting KDM3A may represent a novel therapeutic strategy to overcome chemoresistance.

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