Transient receptor potential (TRP) gene superfamily encoding cation channels
Zan Pan1, Hua Yang, Peter S Reinach
1Margaret Dyson Vision Institute, Weill Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA. zap2001@med.cornell.edu
Human Genomics
|February 8, 2011
Summary
Transient receptor potential (TRP) channels are crucial ion channels in mammalian tissues. This review focuses on their diverse roles in ocular tissues, impacting eye health and disease.
Area of Science:
- Physiology
- Molecular Biology
- Ophthalmology
Background:
- Transient receptor potential (TRP) channels are a superfamily of 28 non-selective cation channels in mammals.
- These channels are organized into six subfamilies and form tetrameric configurations with varying ion permeability.
- TRP channels are expressed in numerous tissues, including neuronal and epithelial cells, and are activated by environmental stimuli.
Purpose of the Study:
- To review the literature on the physiological and pathological roles of TRP channels in various ocular tissues.
- To highlight the importance of TRP channels in maintaining ocular homeostasis and their involvement in eye diseases.
Main Methods:
- Literature review focusing on TRP channel function in ocular tissues.
- Analysis of studies investigating TRP channel expression, activation, and downstream signaling pathways in the eye.
Main Results:
- TRP channels play significant roles in the cornea, trabecular meshwork, lens, ciliary muscle, retina, microglia, and retinal pigment epithelium.
- Activation of TRP channels by environmental stresses triggers cellular responses like proliferation, migration, and cytokine release.
- TRP channel activity is modulated by phospholipase C (PLC) signaling pathways.
Conclusions:
- TRP channels are vital for normal ocular function and are implicated in various ocular pathologies.
- Understanding TRP channel mechanisms in the eye is crucial for developing novel therapeutic strategies for eye diseases.
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