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Updated: Aug 26, 2025
12:09
Yeast Luminometric and Xenopus Oocyte Electrophysiological Examinations of the Molecular Mechanosensitivity of TRPV4
Published on: December 31, 2013
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TRPV4: Cell type-specific activation, regulation and function in the vertebrate eye
Luka Lapajne1, Christopher N Rudzitis2, Brenan Cullimore2
1Department of Ophthalmology & Visual Sciences, University of Utah School of Medicine, Salt Lake City, UT, United States; Department of Ophthalmology, University Medical Centre, University of Ljubljana, Ljubljana, Slovenia.
Current Topics in Membranes
|October 9, 2022
Summary
Transient Receptor Potential Vanilloid 4 (TRPV4) channels regulate eye functions and are implicated in vision loss. Targeting TRPV4 may offer new treatments for various ocular diseases.
Area of Science:
- Ocular physiology and molecular mechanisms
- Neuroscience and vision science
Background:
- Vertebrate eye architecture optimizes photon capture and signal processing.
- Ocular tissues (cornea, lens, retina, etc.) perform specialized functions for vision.
- Non-visual stimuli impact ocular tissues, leading to pain and vision loss in diseases like glaucoma and diabetic retinopathy.
Purpose of the Study:
- To investigate the role of Transient Receptor Potential Vanilloid 4 (TRPV4) channels in ocular function and disease.
- To explore TRPV4's integration of non-visual stimuli with ocular homeostasis.
- To assess the therapeutic potential of targeting TRPV4 for vision loss mitigation.
Main Methods:
- Review of TRPV4 gene expression across ocular tissues.
- Analysis of TRPV4 activation, modulation, and interaction mechanisms.
- Examination of TRPV4's role in ocular pathologies and physiological processes.
Main Results:
- TRPV4 is expressed in most ocular tissues.
- TRPV4 activation mechanisms and interactions vary across ocular tissues.
- TRPV4 dysregulation is linked to intraocular pressure, blood-retina barrier integrity, lens accommodation, and neuroinflammation.
Conclusions:
- TRPV4 channels integrate diverse non-visual stimuli with ocular functions.
- Dysregulation of TRPV4 contributes to anterior and posterior eye pathologies.
- Targeting TRPV4 presents a potential therapeutic strategy for preventing vision loss.
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