[Function of calcium channels--newly identified from the analysis of knockout mice]
1Department of Pharmacology and Neurobiology, Graduate School of Medicine, Tokyo Medical and Dental University.
Abstract:
In the last 14 years, many types of calcium channels have been cloned and extensively studied using electrophysiological and pharmacological means combined with molecular biological techniques. These structure -function analyses have clarified the biophysical nature and modulation of each type of calcium channels leading to the establishment of these molecular bases. Recently, a wave of gene targeting technology has swept over the researchers in the ion channel field and several types of calcium channel knockout mice have started to be generated. Analyses of these mice have identified several novel physiological functions of the calcium channel. This report will introduce some of these studies.
Insights
Recent advances in calcium channel research, utilizing gene targeting technology, have revealed novel physiological functions through knockout mouse models. These studies build upon extensive structure-function analyses.
Area of Science:
- Molecular biology
- Neuroscience
- Physiology
Context:
- Over the past 14 years, significant progress has been made in understanding calcium channels through electrophysiology, pharmacology, and molecular biology.
- Structure-function analyses have elucidated the biophysical properties and modulation of various calcium channel types, establishing their molecular underpinnings.
Purpose:
- To review recent studies employing gene targeting technology in calcium channel research.
- To highlight the identification of novel physiological functions of calcium channels using knockout mouse models.
Summary:
- Cloning and extensive studies of calcium channels have clarified their molecular bases.
- Gene targeting technology has enabled the generation of calcium channel knockout mice.
- Analysis of these knockout mice has uncovered previously unknown physiological roles for calcium channels.
Impact:
- Provides insights into the diverse physiological roles of calcium channels.
- Demonstrates the utility of gene targeting in ion channel research.
- Establishes a foundation for future investigations into calcium channel function and dysfunction.
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