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Updated: Feb 8, 2026

In vitro Enrichment of Ovarian Cancer Tumor-initiating Cells
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Tanshinone IIA effects on ovarian cancer cell line

Nan Li1, Liang Yang2, Baolian Zhang3

  • 1Department of Gynecology, the Second Hospital of Hebei Medical University, Shijiazhuang, China.

The Journal of Pharmacy and Pharmacology
|June 27, 2018
PubMed
Abstract

Insights

Tanshinone IIA induces ovarian cancer cell death by increasing microRNA-205 (miR-205) levels, which inhibits survivin. This study highlights Tanshinone IIA as a potential ovarian cancer therapy.

Area of Science:

  • Oncology
  • Molecular Biology
  • Pharmacology

Background:

  • Ovarian cancer remains a leading cause of cancer-related mortality.
  • Identifying novel therapeutic agents and understanding their mechanisms are crucial for improving patient outcomes.

Purpose of the Study:

  • To investigate the anti-cancer effects of Tanshinone IIA on ovarian cancer cells in vitro.
  • To elucidate the molecular mechanisms underlying Tanshinone IIA's action, focusing on apoptosis and microRNA regulation.

Main Methods:

  • Cell viability was assessed using clonogenic assays.
  • Apoptosis was analyzed via Annexin V/propidium iodide staining and Western blotting for apoptosis-related proteins.
  • MicroRNA (miR-205) expression was quantified using real-time polymerase chain reaction.

Main Results:

  • Tanshinone IIA significantly induced apoptosis in TOV-21G ovarian cancer cells.
  • Tanshinone IIA suppressed survivin expression, a key apoptosis inhibitor.
  • Overexpression of miR-205 was confirmed and found to inhibit survivin and promote apoptosis; its inhibition abrogated Tanshinone IIA's effects.

Conclusions:

  • Tanshinone IIA induces apoptosis in ovarian cancer cells through the upregulation of miR-205.
  • This mechanism involves the downregulation of survivin, highlighting Tanshinone IIA's therapeutic potential for ovarian cancer.
Keywords:
Tanshinone IIAmicroRNA-205ovarian carcinomasurvivin

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