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Related Experiment Videos

The TRPV4 channel: structure-function relationship and promiscuous gating behaviour.

Bernd Nilius1, Hiroyuki Watanabe, Joris Vriens

  • 1Department of Physiology, KU Leuven, Campus Gasthuisberg, Herestraat 49, 3000 Leuven, Belgium. bernd.nilius@med.kuleuven.ac.be

Pflugers Archiv : European Journal of Physiology
|April 26, 2003
PubMed
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Transient receptor potential vanilloid 4 (TRPV4) channels regulate calcium (Ca2+) influx activated by diverse stimuli. This review details TRPV4 activation, Ca2+-dependent inhibition, and its functional roles.

Area of Science:

  • Physiology
  • Molecular Biology
  • Biophysics

Background:

  • Transient receptor potential (TRP) channels are crucial for cellular signaling, mediating calcium (Ca2+) influx.
  • The TRPV4 channel, permeable to Ca2+ and Mg2+, is activated by various physical and chemical stimuli.
  • Understanding TRPV4 regulation and function is essential for comprehending cellular responses.

Purpose of the Study:

  • To review the activation properties of the TRPV4 channel.
  • To discuss the known regulatory mechanisms, including Ca2+-dependent inhibition.
  • To correlate TRPV4 expression patterns with its potential functional roles and structural determinants.

Main Methods:

  • Literature review focusing on TRPV4 channel activation and regulation.
  • Analysis of studies investigating TRPV4 responses to physical and chemical stimuli.

Related Experiment Videos

  • Examination of research on TRPV4 expression patterns and structural properties.

    • Main Results:

    • TRPV4 channels are activated by cell swelling, heat, phorbols, and potential endogenous ligands, facilitating Ca2+ entry.
    • A Ca2+-dependent inhibitory mechanism for TRPV4 has been identified.
    • TRPV4 expression patterns suggest diverse physiological roles.

    Conclusions:

    • TRPV4 channels play a significant role in cellular signaling through stimulus-induced Ca2+ influx.
    • Further research is needed to fully elucidate TRPV4 regulation and its diverse functional implications.
    • Structural insights into TRPV4 function are crucial for understanding its activation and modulation.