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Related Concept Videos

Thermosensation01:43

Thermosensation

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Peripheral thermosensation is the perception of external temperature. A change in temperature (on the surface of the skin and other tissues) is detected by a family of temperature-sensitive ion channels called Transient Receptor Potential, or TRP, receptors. These receptors are located on free nerve endings. Those detecting cold temperatures are closer to the surface of the skin than the nerve endings detecting warmth. These thermoTRP channels, while temperature selective, have relatively...
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Enzyme-linked Receptors01:00

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Enzyme-linked receptors are proteins that act as both receptor and enzyme, activating multiple intracellular signals. This is a large group of receptors that include the receptor tyrosine kinase (RTK) family. Many growth factors and hormones bind to and activate the RTKs.
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Transducer Mechanism: G Protein–Coupled Receptors01:30

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G Protein–Coupled Receptors (GPCRs) are membrane-bound receptors that transiently associate with heterotrimeric G proteins and induce an appropriate response to various stimuli. GPCRs regulate critical physiological pathways and are excellent drug targets for treating diseases such as diabetes, cancer, obesity, depression, or Alzheimer's. Nearly 35% of approved drugs implement their therapeutic effects by selectively interacting with specific GPCRs.
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G-Protein Gated Ion Channels01:21

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GPCRs are primarily responsible for our sense of smell, taste, and vision.  The binding of a sensory stimulus activates GPCR to stimulate effector proteins, many of which are ion channels in the sensory organs. GPCRs modulate the opening and closing of the target ion channels either directly by binding them, or by releasing second messengers that activate these channels. As ions move across the membrane, the membrane potential is altered, which induces an appropriate response.
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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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Related Experiment Video

Updated: Apr 29, 2026

Expression and Purification of the Human Lipid-sensitive Cation Channel TRPC3 for Structural Determination by Single-particle Cryo-electron Microscopy
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Physiological Function and Characterization of TRPCs in Neurons.

Yuyang Sun1, Pramod Sukumaran1, Bidhan C Bandyopadhyay2

  • 1Department of Basic Science, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND 58201, USA.

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Transient Receptor Potential Canonical (TRPC) channels are crucial for neuronal functions like development and plasticity. Understanding their role in neurological diseases may lead to new therapeutic strategies.

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Area of Science:

  • Neuroscience
  • Molecular Biology
  • Cell Physiology

Background:

  • Calcium (Ca2+) entry is vital for neuronal function.
  • Transient Receptor Potential Canonical (TRPC) channels mediate specialized Ca2+ entry in neurons.
  • TRPC channels are activated by endoplasmic reticulum (ER) Ca2+ store depletion.

Purpose of the Study:

  • To summarize the physiological and pathological roles of TRPC channels in neuronal cells.
  • To highlight the distinct properties and functions of the seven TRPC channel members.
  • To explore the therapeutic potential of targeting TRPC channels in neurodegenerative diseases.

Main Methods:

  • Review of existing literature on TRPC channel function in neurons.
  • Analysis of TRPC channel involvement in neuronal development, proliferation, and differentiation.
  • Examination of TRPC channel roles in neurosecretion, long-term potentiation, and synaptic plasticity.

Main Results:

  • TRPC channels are predominantly expressed in neurons and exhibit diverse properties.
  • TRPC channels are implicated in crucial neuronal processes including development and synaptic function.
  • Dysregulation of TRPC channels is associated with various neuropathological conditions.

Conclusions:

  • TRPC channels play significant roles in both normal neuronal function and disease.
  • Targeting TRPC channels offers potential therapeutic avenues for neurodegenerative disorders.
  • Further research into TRPC channel mechanisms is warranted for developing effective treatments.