Voltage-gated calcium channels: Novel targets for cancer therapy

Nam Nhut Phan1, Chih-Yang Wang2,3,4, Chien-Fu Chen5

  • 1Faculty of Applied Sciences, Ton Duc Thang University, Tan Phong Ward, Ho Chi Minh 700000, Vietnam.

Oncology Letters
|August 8, 2017
PubMed

Insights

Voltage-gated calcium channels (VGCCs) are downregulated in many cancers, including brain, breast, kidney, and lung. This suggests VGCCs may be potential therapeutic targets for cancer treatment.

Area of Science:

  • Molecular Biology
  • Oncology
  • Genetics

Background:

  • Voltage-gated calcium channels (VGCCs) are crucial for cellular functions like proliferation and apoptosis.
  • Previous studies suggest a link between VGCCs, reduced proliferation, and increased apoptosis in prostate cancer cells.

Purpose of the Study:

  • To investigate alterations in mRNA expression levels of VGCCs across 19 cancer subtypes.
  • To identify potential cancer-specific VGCC targets for novel therapeutic strategies.

Main Methods:

  • Utilized the Oncomine clinical database to analyze mRNA expression data.
  • Compared VGCC gene expression in various cancer types against normal tissues.

Main Results:

  • VGCC family genes were found to be significantly underexpressed in multiple cancers, including brain, breast, kidney, and lung.
  • Specific VGCC subtypes (e.g., CACNA1C, CACNA1D, CACNA1A) showed marked downregulation in brain, breast, kidney, and lung tumors.

Conclusions:

  • The observed downregulation of VGCCs in various cancers highlights their potential role in tumorigenesis.
  • Identifying specific downregulated VGCCs offers promising avenues for developing targeted cancer therapies.

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