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MicroRNA-34a: role in cancer and cardiovascular disease

Xi Chen, Jian-Ya Zhou, Jian-Ying Zhou1

  • 1Department of Respiratory Diseases, Thoracic Disease Diagnosis and Treatment Center, The First Affiliated Hospital of College of Medicine, Zhejiang University, Qingchun Road 79, Hangzhou 310003, Zhejiang Province, China. zjyhz@zju.edu.cn.

Current Drug Targets
|January 21, 2014
PubMed

Insights

MicroRNAs (miRNAs) regulate genes, and dysregulated miR-34a is linked to cancer and cardiovascular diseases. This review explores miR-34a's dual roles and therapeutic potential in these conditions.

Area of Science:

  • Molecular Biology
  • Genetics
  • Biochemistry

Background:

  • Small non-coding microRNAs (miRNAs) are crucial post-transcriptional regulators of gene expression.
  • Dysregulation of miRNAs is implicated in various pathologies, including cancer and cardiovascular diseases.
  • MiR-34a, an anti-oncomiR, is frequently downregulated in cancers, affecting key oncogenic pathways.

Purpose of the Study:

  • To review the multifaceted roles of miR-34a in the context of cancer.
  • To elucidate the emerging involvement of miR-34a in cardiovascular disease pathogenesis.
  • To discuss the therapeutic implications and potential of targeting miR-34a.

Main Methods:

  • Literature review of studies on miR-34a function in cancer.
  • Analysis of research investigating miR-34a in cardiovascular disease models.
  • Synthesis of data on miR-34a's regulatory networks and therapeutic strategies.

Main Results:

  • MiR-34a acts as a tumor suppressor by regulating genes involved in cancer initiation, progression, and metastasis.
  • Emerging evidence identifies miR-34a as a detrimental factor in cardiovascular disease development.
  • MiR-34a influences diverse cellular processes relevant to both cancer and heart conditions.

Conclusions:

  • MiR-34a exhibits complex, context-dependent roles in both cancer and cardiovascular disease.
  • Understanding these roles is critical for developing novel therapeutic interventions.
  • Targeting miR-34a holds promise for treating these distinct yet interconnected diseases.

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