Identification and validation of the potential therapeutic value of CASK in osteosarcoma: a computational analysis

Hongjuan Yang1, Weiying Zhong1, Danping Shen1

  • 1Department of Orthopaedics, Jiaxing University Affiliated Hospital, The First Hospital of Jiaxing, Jiaxing, China.

Frontiers in Oncology
|April 1, 2026
PubMed
Abstract

Insights

Calcium/calmodulin-dependent serine protein kinase (CASK) is upregulated in osteosarcoma. Inhibiting CASK shows therapeutic potential by promoting apoptosis and affecting immune cells like Macrophages_M2.

Area of Science:

  • Oncology
  • Molecular Biology
  • Immunology

Background:

  • Identifying novel therapeutic targets is critical for effective osteosarcoma treatment.
  • Calcium/calmodulin-dependent serine protein kinase (CASK) is implicated in various cancers but its role in osteosarcoma is unexplored.

Purpose of the Study:

  • To investigate the expression and functional role of CASK in osteosarcoma.
  • To explore CASK as a potential therapeutic target for osteosarcoma.

Main Methods:

  • Analysis of CASK expression in osteosarcoma patient samples using the Gene Expression Omnibus (GEO) database.
  • In vitro cell experiments to elucidate CASK's mechanism of action, focusing on immunity, gene expression, and protein interactions.

Main Results:

  • CASK expression is significantly elevated in osteosarcoma tissues.
  • CASK inhibition induces osteosarcoma cell apoptosis and cell cycle arrest.
  • High CASK expression correlates with immune processes, specifically Macrophages_M2 and the JAK/STAT signaling pathway.

Conclusions:

  • CASK upregulation in osteosarcoma suggests its involvement in tumorigenesis.
  • CASK may regulate osteosarcoma progression through immune modulation via Macrophages_M2 and the JAK/STAT pathway.
  • CASK represents a promising therapeutic target for osteosarcoma.

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