CSNK2B contributes to colorectal cancer cell proliferation by activating the mTOR signaling

Shijun Yu1, Qingqing Hu1, Kailing Fan1

  • 1Department of Oncology, Shanghai East Hospital, Tongji University School of Medicine, 150 Ji-Mo Road, Shanghai, 200120, People's Republic of China.

Insights

Casein kinase 2 beta (CSNK2B) is highly expressed in colorectal cancer (CRC) and promotes tumor growth by activating the mTOR pathway, identifying it as a potential oncogene.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cancer Research

Background:

  • The role of Casein kinase 2 beta (CSNK2B) in human cancers is gaining attention.
  • Its specific function in colorectal cancer (CRC) pathogenesis is not well understood.

Purpose of the Study:

  • To investigate the expression and biological functions of CSNK2B in colorectal cancer.
  • To elucidate the molecular mechanisms underlying CSNK2B's role in CRC development.

Main Methods:

  • Analysis of public gene expression microarray data.
  • Immunohistochemistry staining of CRC tissues.
  • In vitro and in vivo cellular functional assays.
  • Western blot analysis and rescue experiments.

Main Results:

  • CSNK2B expression was significantly higher in CRC tissues compared to normal tissues.
  • Elevated CSNK2B expression enhanced CRC cell viability and tumorigenesis.
  • CSNK2B promotes CRC cell proliferation via activation of the mTOR signaling pathway.

Conclusions:

  • CSNK2B acts as a novel oncogene in colorectal cancer.
  • Targeting CSNK2B may offer a potential therapeutic strategy for CRC.

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