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MiR-130a regulating the biological function of colon cancer by targeting inhibition of PTEN

H-L Liu1, H-G Bao, C-L Zheng

  • 1Surgical Oncology, The Second Affiliated Hospital of Qiqihar Medical University, Qiqihar, P.R. China. liuhailong0404@126.com.

European Review for Medical and Pharmacological Sciences
|March 7, 2020
PubMed
Abstract

Insights

MicroRNA-130a (miR-130a) is significantly elevated in colon cancer tissues and serum, promoting cancer cell growth and invasion. Inhibiting miR-130a may offer a novel therapeutic strategy for colon cancer treatment.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • MicroRNAs play crucial roles in cancer development and progression.
  • Dysregulation of microRNA expression is implicated in various human cancers, including colorectal cancer.
  • Understanding the specific roles of microRNAs like miR-130a is essential for developing targeted therapies.

Purpose of the Study:

  • To investigate the expression levels of miR-130a in human colon cancer patients.
  • To elucidate the underlying mechanism by which miR-130a regulates the biological functions of colon cancer cells.
  • To explore the potential of targeting miR-130a for colon cancer treatment.

Main Methods:

  • Collected cancer tissues, adjacent tissues, and serum samples from 40 colon cancer patients and 40 healthy volunteers.
  • Utilized Real-Time quantitative Polymerase Chain Reaction (qRT-PCR) to measure miR-130a expression.
  • Performed MTT assays, colony formation assays, cell scratch assays, and Transwell assays to assess cell viability, proliferation, migration, and invasion after miR-130a manipulation (mimic and inhibitor).

Main Results:

  • miR-130a expression was significantly higher in colon cancer tissues compared to adjacent tissues (p=0.0125).
  • Overexpression of miR-130a enhanced colon cancer cell viability, proliferation, migration, and invasion.
  • Knockdown of miR-130a significantly inhibited these biological activities.
  • miR-130a targets and inhibits PTEN expression, contributing to colon cancer development and progression.

Conclusions:

  • miR-130a is significantly upregulated in the serum and tissues of colon cancer patients.
  • miR-130a promotes colon cancer progression by inhibiting PTEN expression.
  • Targeting miR-130a through knockdown presents a promising new clinical treatment strategy for colon cancer.

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