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The role of miRNAs in MDMX-p53 interplay

Dehua Yu1, Zhiyuan Xu2, Xiangdong Cheng2

  • 1School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China.

Journal of Evidence-Based Medicine
|May 14, 2021
PubMed

Insights

MicroRNAs (miRNAs) regulate tumor suppressor p53 activity by targeting its controller, MDMX. Understanding this miRNAs-MDMX-p53 network offers new anticancer therapeutic strategies for human cancers.

Area of Science:

  • Molecular Biology
  • Genetics
  • Cancer Research

Background:

  • MicroRNAs (miRNAs) are small noncoding RNAs crucial in gene regulation.
  • miRNAs are implicated in tumorigenesis and cancer progression.
  • The tumor suppressor p53 and its inhibitor MDMX are key players in cancer, influenced by miRNAs.

Purpose of the Study:

  • To review the regulatory roles of miRNAs on the MDMX-p53 interaction.
  • To explore the significance of the miRNAs-MDMX-p53 network in human cancers.
  • To identify potential therapeutic targets for cancer treatment.

Main Methods:

  • Literature review of studies on miRNAs, MDMX, and p53.
  • Analysis of miRNA-mediated regulation of MDMX and p53.
  • Examination of the role of the miRNAs-MDMX-p53 axis in cancer development.

Main Results:

  • miRNAs can directly target p53 or indirectly regulate it by targeting MDMX.
  • Overexpression of certain miRNAs can restore p53 activity by inhibiting MDMX.
  • The miRNAs-MDMX-p53 network is a significant factor in human cancer progression.

Conclusions:

  • miRNAs play a multifaceted role in regulating the MDMX-p53 pathway.
  • Targeting the miRNAs-MDMX-p53 network presents a promising avenue for novel anticancer therapies.
  • Further research into this network can advance cancer treatment strategies.
Keywords:
MDMXmiRNAsoncogenep53tumor suppressor

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