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Nitidine chloride inhibited the expression of S phase kinase-associated protein 2 in ovarian cancer cells

Huaping Mou1, Ping Guo2,3, Xiaoming Li3

  • 1a Department of Gynecology , Second People Hospital of Sichuan Province , Yibin City , China.

Cell Cycle (Georgetown, Tex.)
|June 9, 2017
PubMed

Insights

Nitidine chloride (NC) inhibits ovarian cancer growth by inducing apoptosis and cell cycle arrest. NC suppresses Skp2 expression, a key oncogene, revealing a novel therapeutic strategy for ovarian cancer.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • Nitidine chloride (NC) exhibits anti-tumor properties across various human cancers.
  • The precise molecular mechanisms underlying NC's tumor-suppressive functions remain largely unelucidated.

Purpose of the Study:

  • To investigate the molecular basis of NC's anti-cancer activity in ovarian cancer.
  • To determine if NC exerts its effects through the downregulation of Skp2 (S-phase kinase-associated protein 2).

Main Methods:

  • Cell viability assays (MTT)
  • Flow cytometry (FACS) for apoptosis and cell cycle analysis
  • Gene and protein expression analysis (RT-PCR, Western blotting)
  • Cell invasion assays
  • Transfection studies

Main Results:

  • NC significantly inhibited ovarian cancer cell growth, induced apoptosis, and caused cell cycle arrest.
  • NC treatment led to a significant downregulation of Skp2 expression in ovarian cancer cells.
  • Overexpression of Skp2 counteracted NC's anti-cancer effects, while Skp2 downregulation enhanced sensitivity to NC.

Conclusions:

  • NC demonstrates potent anti-cancer activity in ovarian cancer cells.
  • The inactivation of Skp2 by NC is a crucial mechanism mediating its anti-tumor effects.
  • Targeting Skp2 with NC represents a potential novel therapeutic strategy for human ovarian cancer.
Keywords:
ApoptosisSkp2invasionnitidine chlorideovarian cancerproliferation

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