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  4. TRPV4: A trigger of pathological RhoA activation in neurological disease

TRPV4: A trigger of pathological RhoA activation in neurological disease

Bioessays, 2022 · DOI: 10.1002/bies.202100288 · Published: June 1, 2022

NeurologyGenetics

Simple Explanation

TRPV4 is a cell surface channel that responds to environmental stimuli and is involved in regulating cell shape. The RhoA protein, which affects the cytoskeleton, interacts with TRPV4, impacting cellular changes during neurological issues. TRPV4 inhibition could be a targeted way to limit harmful RhoA activity in various neurological diseases.

Study Duration
Not specified
Participants
Not specified
Evidence Level
Review

Key Findings

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    TRPV4 directly interacts with RhoA, leading to bidirectional functional regulation and control of actin cytoskeletal changes.
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    TRPV4 can both inhibit and activate RhoA, depending on the stimulus, affecting cytoskeletal dynamics.
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    Inhibition of TRPV4 in animal models of neurological injury shows promise in reducing RhoA-mediated damage.

Research Summary

This review proposes that TRPV4 and RhoA form an environmentally sensitive signaling complex that contributes to pathological cytoskeletal alterations during neurological injury and disease. Evidence suggests TRPV4 and/or RhoA are involved in pathological responses to acute neurological insults, potentially disrupting axonal regeneration and blood–brain barrier integrity. The authors suggest that TRPV4 inhibition could be a therapeutic strategy for limiting pathological TRPV4–RhoA activation in neurological diseases.

Practical Implications

Therapeutic Target

TRPV4 may be a viable therapeutic target for neurological diseases associated with RhoA activation.

Drug Development

Development of specific TRPV4 inhibitors could offer a novel approach to treating neurological injuries.

Personalized Medicine

Understanding the cell-specific contributions of TRPV4 and RhoA could lead to more targeted therapies.

Study Limitations

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