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Related Experiment Video

Updated: Apr 21, 2026

Determination of the Relative Cell Surface and Total Expression of Recombinant Ion Channels Using Flow Cytometry

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Published on: September 28, 2016

CLC channel function and dysfunction in health and disease.

Gabriel Stölting¹, Martin Fischer², Christoph Fahlke¹

¹Institute of Complex Systems-Zelluläre Biophysik (ICS-4), Forschungszentrum Jülich Jülich, Germany.

Frontiers in Physiology

|October 24, 2014

Summary

This review explores human CLC channels and transporters, detailing their diverse physiological roles and functions. Understanding CLC channel mutations reveals insights into genetic diseases and novel cellular functions.

Keywords:

Bartter syndrome CLC channel anion channel leukencephalopathy myotonia congenita patch clamp

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Area of Science:

Molecular Biology
Physiology
Genetics

Background:

Chloride channel (CLC) proteins are crucial in various tissues, with four human CLC channels and five CLC transporters.
Accessory subunits like barttin and GlialCam modulate CLC channel function and variability.
Distinct isoforms possess unique properties for specific cellular tasks.

Purpose of the Study:

To review the physiological and pathophysiological roles of human CLC channels.
To integrate recent biophysical, physiological, and genetic findings on CLC channel function.
To highlight the link between CLC channel mutations and human genetic diseases.

Main Methods:

Literature review of biophysical, physiological, and genetic studies on CLC channels.
Analysis of CLC channel structure-function relationships.
Examination of disease-associated mutations in CLC genes.

Main Results:

CLC channels exhibit isoform-specific ion conduction and gating, optimizing cellular functions.
Mutations in CLC genes are linked to various diseases, including myotonia congenita, Bartter syndrome, and CNS disorders.
Emerging evidence suggests novel roles for CLC-1 in epilepsy and CLC-Ka in heart failure.

Conclusions:

Human CLC channels are vital for diverse physiological processes.
Studying CLC channelopathies provides critical insights into their normal functions.
Further research into CLC channels may uncover new therapeutic targets for genetic disorders.