Document Detail

Novel insights into TRPV4 function in the kidney.
MedLine Citation:
PMID:  23207579     Owner:  NLM     Status:  MEDLINE    
Kidneys are complex highly organized paired organs of nearly one million nephrons each. They rigorously process about 180 l of plasma daily to keep whole body homeostasis. To effectively perform such a titanic work, kidneys rely on mechanisms able to sense dynamic changes in composition and flow rates of protourine along the renal tubule. It is envisioned that Ca(2+)-permeable transient receptor potential (TRP) channels, and specifically mechanosensitive TRPV4, can serve to interpret these external mechanical cues in the form of elevated intracellular Ca(2+) concentration. This, in turn, initiates multiple cellular responses and adaptation mechanisms. The current review summarizes up-to-date knowledge about the sites of TRPV4 expression in renal tissue as well as discusses the functional role of the channel in cellular responses to hypotonicity and tubular flow. We will also provide insights as to how TRPV4 fits into classical polycystin mechanosensory complex in cilia and will speculate about previously underappreciated clinical implication of pharmacological TRPV4 targeting in treatment of polycystic kidney disease.
Oleh Pochynyuk; Oleg Zaika; Roger G O'Neil; Mykola Mamenko
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Review     Date:  2012-12-04
Journal Detail:
Title:  Pflügers Archiv : European journal of physiology     Volume:  465     ISSN:  1432-2013     ISO Abbreviation:  Pflugers Arch.     Publication Date:  2013 Feb 
Date Detail:
Created Date:  2013-02-01     Completed Date:  2013-07-17     Revised Date:  2014-02-04    
Medline Journal Info:
Nlm Unique ID:  0154720     Medline TA:  Pflugers Arch     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  177-86     Citation Subset:  IM    
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MeSH Terms
Calcium / metabolism
Gene Expression
Kidney / metabolism*,  physiology
Polycystic Kidney Diseases / metabolism
TRPV Cation Channels / genetics,  metabolism*
Grant Support
Reg. No./Substance:
0/TRPV Cation Channels; SY7Q814VUP/Calcium

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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