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Kindlin‑2 suppresses cervical cancer cell migration through AKT/mTOR‑mediated autophagy induction

Guangteng Wu1, Ying Long1, Yan Lu1

  • 1Department of Gynecologic Oncology, Guangxi Medical University Cancer Hospital, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China.

Oncology Reports
|May 8, 2020
PubMed

Insights

Kindlin-2 is downregulated in cervical cancer, suppressing cell migration and promoting autophagy via the AKT/mTOR pathway. Low kindlin-2 expression correlates with poorer survival in cervical cancer patients.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cell Biology

Background:

  • Kindlin-2's role in cancer is context-dependent, with its function in cervical cancer being largely unknown.
  • Cervical cancer remains a significant global health concern, necessitating research into novel therapeutic targets.

Purpose of the Study:

  • To investigate the expression and function of kindlin-2 in cervical cancer.
  • To elucidate the underlying molecular mechanisms by which kindlin-2 influences cervical cancer cell behavior.

Main Methods:

  • Analysis of kindlin-2 expression in public datasets and clinical cervical cancer specimens.
  • In vitro studies involving kindlin-2 overexpression and knockdown in cervical cancer cell lines.
  • Investigation of the effects on cell autophagy, AKT/mTOR signaling, and cell migration.
  • Rescue experiments to confirm pathway dependency.

Main Results:

  • Kindlin-2 expression is downregulated in cervical cancer tissues, and low levels are linked to reduced disease-free survival.
  • Overexpression of kindlin-2 promotes autophagy and inactivates the AKT/mTOR signaling pathway in cervical cancer cells.
  • Kindlin-2 inhibits cervical cancer cell migration, a process dependent on autophagy.
  • The regulatory effects of kindlin-2 on autophagy are mediated through the AKT/mTOR signaling pathway.

Conclusions:

  • Kindlin-2 acts as a tumor suppressor in cervical cancer by inhibiting cell migration and promoting autophagy.
  • The AKT/mTOR signaling pathway is a key mediator of kindlin-2's tumor-suppressive functions in cervical cancer.
  • Kindlin-2 represents a potential therapeutic target for cervical cancer treatment.
Keywords:
kindlin-2autophagymetastasisAKT/mTORcervical cancer

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