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Expression of the alpha1D subunit of the L-type voltage gated calcium channel in human liver

T Okamoto1, S Y Jeong, Y Takahashi

  • 1Research Laboratories, Nippon Chemiphar Co., Ltd., 1-22 Hikokawato, Misato, Saitama 341-0005, Japan.

International Journal of Molecular Medicine
|September 20, 2001
PubMed

Insights

Calcium channel blockers may treat hepatitis. Researchers found the alpha1D subunit of L-type calcium channels is expressed in the liver, suggesting a potential therapeutic target for liver diseases.

Area of Science:

  • Pharmacology
  • Hepatology
  • Molecular Biology

Background:

  • Calcium channel blockers (CCBs) show promise in preventing drug-induced hepatitis.
  • CCBs target the alpha1-subunit of dihydropyridine-sensitive L-type calcium channels.
  • Understanding L-type calcium channel expression in the liver is crucial for CCB clinical applications in hepatitis treatment.

Purpose of the Study:

  • To systematically analyze the expression of alpha1-subunits of calcium channels in human liver.
  • To identify the specific subtype of L-type calcium channel alpha1-subunit present in liver tissue.

Main Methods:

  • Analysis of alpha1-subunit gene expression in human liver samples.
  • Identification of specific L-type calcium channel alpha1-subunit subtypes expressed in the liver.

Main Results:

  • The alpha1D subunit of the dihydropyridine-sensitive L-type voltage-gated calcium channel is expressed at relatively high levels in the human liver.
  • This finding indicates a potential role for the alpha1D subunit in liver function.

Conclusions:

  • The alpha1D subunit is a key L-type calcium channel subtype expressed in the human liver.
  • The alpha1D subunit may represent a novel therapeutic target for liver diseases, including hepatitis.

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