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Ligand-Gated Ion Channel Receptor: Gating Mechanism01:30

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Ligand-gated ion channels are transmembrane proteins that play a vital role in intercellular communication and functions of the nervous system. They allow the influx of ions across the membrane once the neurotransmitter binds, allowing the subsequent transmission of electrical excitation across the neurons. Other ligand-gated ion channels, like the γ-aminobutyric acid (GABA) receptor, permit anions like chloride into the cells on the binding of the GABA molecule. Their entry into the cell...
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Ligand-gated ion channels are transmembrane proteins with a channel for ions to pass through and a binding site for a ligand. The channel opens only when a ligand attaches to the binding site.
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Voltage-gated ion channels are transmembrane proteins that open and close in response to changes in the membrane potential. They are present on the membranes of all electrically excitable cells such as neurons, heart, and muscle cells.
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Patch Clamp01:18

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Many fundamental cell functions such as muscle contraction and nerve transmission rely on the electrical signals produced by the movement of positively and negatively charged ions across the cell membrane. One competent method to record current flowing across the whole cell or single ion channel is the patch-clamp technique.
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High-throughput Screening for Small-molecule Modulators of Inward Rectifier Potassium Channels
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Studies on Chloride Channels and their Modulators.

Vaishali M Patil, Satya P Gupta1

  • 1Department of Applied Sciences, National Institute of Technical Teachers Training and Research, Bhopal-462002 MP, India. spgbits@gmail.com.

Current Topics in Medicinal Chemistry
|December 16, 2015
PubMed
Summary

Mutations in chloride ion channels are linked to many diseases, including cystic fibrosis and epilepsy. This article reviews these diseases and discusses potential modulators for chloride channel regulation.

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Area of Science:

  • Molecular Biology
  • Human Physiology
  • Pathology

Background:

  • Chloride ion channels are crucial for cellular functions.
  • Mutations in these channels are implicated in numerous human diseases.
  • These channels play roles in various organs, including muscle, kidney, bone, and brain.

Purpose of the Study:

  • To emphasize diseases associated with chloride channel regulation.
  • To discuss modulators of chloride ion channels.
  • To provide a detailed review of studies on chloride channels and their modulators.

Main Methods:

  • Literature review of studies on chloride ion channels.
  • Analysis of the role of chloride channels in disease pathogenesis.
  • Discussion of therapeutic modulators for chloride channels.

Main Results:

  • Established roles of chloride channel mutations in congenital myotonia, myotonic dystrophy, cystic fibrosis, osteopetrosis, epilepsy, and glioma.
  • Identified involvement of chloride channels in glioma progression and malaria parasite infection.
  • Detailed discussion on various chloride channels and their modulators.

Conclusions:

  • Chloride ion channels are critical targets for understanding and treating a wide range of human diseases.
  • Modulators of chloride channels offer potential therapeutic strategies.
  • Further research into chloride channel function and regulation is warranted.