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Related Concept Videos

Autoimmune Disorders01:29

Autoimmune Disorders

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Autoimmune diseases are a group of disorders in which the body's immune system mistakenly attacks its own cells, tissues, and organs. This results from an overactive immune response against substances and tissues normally present in the body. Let's delve into the concept and mechanism of autoimmune diseases from an immune system point of view, explore different causes and examples of such diseases, and discuss potential solutions.
Concept and Mechanism of Autoimmune Diseases
The immune...
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Mechanically-gated Ion Channels01:12

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Mechanically-gated ion channels are proteins found in eukaryotic and prokaryotic cell membranes that open in response to mechanical stress. Tension, compression, swelling, and shear stress can alter the conformation of the protein, opening a transmembrane channel that allows the passage of ions for signal transmission. In eukaryotes, mechanically-gated channels are distributed in several regions like the neurons, lungs, skin, bladder, and heart, where they play critical roles in numerous...
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Mechanically-gated Ion Channels01:12

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Ion Channels01:19

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The movement of ions like sodium, potassium, and calcium into and out of the cell is essential to maintain the electrochemical gradient in living cells. The ion channels—a class of membrane transport proteins—help maintain this ionic gradient for the smooth functioning of physiological activities such as maintaining cell size and volume, conducting nerve impulses, and gas and nutrient exchange.
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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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The Role of Ion Channels in Neuronal Computation01:19

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A postsynaptic neuron usually receives numerous impulses from several other presynaptic neurons. The axon hillock of the postsynaptic neuron integrates all these signals and determines the likelihood of firing an action potential.
Sometimes a single EPSP is strong enough to induce an action potential in the postsynaptic neuron. However, multiple presynaptic inputs must often create EPSPs around the same time for the postsynaptic neuron to be sufficiently depolarized to fire an action potential....
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Related Experiment Video

Updated: Mar 26, 2026

Interrogating Individual Autoreactive Germinal Centers by Photoactivation in a Mixed Chimeric Model of Autoimmunity
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Understanding autoimmunity: The ion channel perspective.

Anantha Maharasi RamaKrishnan1, Kavitha Sankaranarayanan1

  • 1AU-KBC Research Centre, Madras Institute of Technology, Anna University, Chrompet, Chennai 600 044, India.

Autoimmunity Reviews
|February 9, 2016
PubMed
Summary
This summary is machine-generated.

Ion channels regulate cell functions and immunity. This review details their role in autoimmune diseases and identifies potential therapeutic targets for new treatments.

Keywords:
AutoantibodyAutoimmunityImmune responsesIon channels

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Area of Science:

  • Immunology and Molecular Biology
  • Cellular Physiology

Background:

  • Ion channels are crucial membrane proteins regulating physiological processes.
  • Their malfunction leads to channelopathies, a class of debilitating diseases.
  • Ion channels play a significant role in immune system function.

Purpose of the Study:

  • To review the role of ion channels in the immune system.
  • To emphasize the involvement of ion channels in the development of autoimmunity.
  • To identify ion channels as potential therapeutic targets for autoimmune disorders.

Main Methods:

  • Literature review of ion channel function in immunology.
  • Analysis of ion channel involvement in various autoimmune diseases.
  • Identification of potential molecular targets for therapeutic intervention.

Main Results:

  • Ion channels are implicated in key immune cell functions.
  • Specific ion channels are linked to the pathogenesis of several autoimmune diseases.
  • A subset of ion channels presents viable targets for novel immunotherapies.

Conclusions:

  • Ion channels are critical regulators of immune responses and autoimmunity.
  • Targeting specific ion channels offers a promising strategy for developing new treatments for autoimmune diseases.
  • Further research into ion channel function in autoimmunity can accelerate therapeutic development.