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SASH1 inhibits cervical cancer cell proliferation and invasion by suppressing the FAK pathway

Hui Chen1, Dongliang Wang1, Yuling Liu1

  • 1Department of Gynecology and Obstetrics, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450014, P.R. China.

Molecular Medicine Reports
|March 4, 2016
PubMed

Insights

SAM and SH3 domain containing 1 (SASH1) acts as a tumor suppressor in cervical cancer. Its downregulation promotes cancer cell proliferation and invasion by activating the FAK pathway, suggesting SASH1 as a therapeutic target.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • SAM and SH3 domain containing 1 (SASH1) is implicated as a tumor suppressor in various cancers.
  • The specific function and mechanism of SASH1 in cervical cancer pathogenesis are not well understood.

Purpose of the Study:

  • To investigate the role of SASH1 in cervical cancer.
  • To elucidate the underlying molecular mechanisms by which SASH1 influences cervical cancer progression.

Main Methods:

  • Quantitative analysis of SASH1, MMP-2, and MMP-9 mRNA expression via RT-qPCR.
  • Western blot analysis for SASH1, MMP-2, MMP-9, and FAK protein levels.
  • Assessment of cell proliferation using MTT assay and cell invasion via Transwell assay.

Main Results:

  • SASH1 expression was significantly downregulated in cervical cancer tissues and cell lines.
  • Overexpression of SASH1 suppressed cervical cancer cell proliferation and invasion.
  • SASH1 overexpression reduced MMP-2 and MMP-9 expression and inhibited the FAK signaling pathway.

Conclusions:

  • SASH1 functions as a tumor suppressor in cervical cancer.
  • SASH1 inhibits cervical cancer cell proliferation and invasion by downregulating the FAK signaling pathway.

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