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KIF15 knockdown suppresses gallbladder cancer development.

Jun Wang1, Dandan Wang1, Zhewei Fei1

  • 1Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Chongming Branch, Shanghai, China.

European Journal of Cell Biology
|November 15, 2021
PubMed
Summary

Kinesin family member 15 (KIF15) is overexpressed in gallbladder cancer (GBC), promoting tumor growth. Silencing KIF15 inhibits GBC progression and xenograft growth, offering a potential therapeutic strategy for this lethal cancer.

Keywords:
ApoptosisGallbladder cancerKIF15MigrationMolecular targetProliferation

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Area of Science:

  • Oncology
  • Molecular Biology

Background:

  • Gallbladder cancer (GBC) is a lethal malignancy with a poor prognosis.
  • The role of Kinesin family member 15 (KIF15) in GBC progression is not well understood.

Purpose of the Study:

  • To investigate the expression and function of KIF15 in gallbladder cancer.
  • To explore the underlying mechanisms of KIF15's role in GBC.

Main Methods:

  • Analysis of KIF15 expression in clinical GBC tissues and cell lines.
  • KIF15 knockdown using lentiviral transfection in GBC cells and nude mouse xenografts.
  • Investigation of signaling pathways (TNF, PI3K/AKT, MAPK), cell cycle regulators (CDK6, p21), and HSP60.
  • Assessment of the effect of AKT activator on KIF15 knockdown-mediated anti-tumor effects.

Main Results:

  • KIF15 was significantly upregulated in GBC tissues and cells, correlating with tumor malignancy.
  • KIF15 knockdown inhibited GBC cell proliferation and migration, induced apoptosis, and suppressed xenograft growth.
  • KIF15 deficiency decreased signaling pathway activity, reduced CDK6 expression, and affected HSP60.
  • The anti-tumor effects of KIF15 knockdown were partially reversed by AKT activation.

Conclusions:

  • KIF15 is overexpressed in GBC and associated with clinical stages.
  • KIF15 plays a crucial role in GBC progression.
  • KIF15 knockdown exhibits significant anti-tumor effects in GBC, suggesting its potential as a therapeutic target.