期刊
JOURNAL OF CELLULAR PHYSIOLOGY
卷 237, 期 4, 页码 2034-2044出版社
WILEY
DOI: 10.1002/jcp.30679
关键词
cholesterol; CRAC and CARC motifs; lipid rafts; Src kinases; TRP channels
资金
- Russian Science Foundation (RSF) [22-25-00365]
This review examines the role of lipid rafts in regulating TRP channel activity, with a focus on the interaction between the channels and cholesterol. Understanding the mechanisms behind these interactions would enhance our understanding of TRP channel regulation and allow for better control of cellular responses to environmental stimuli.
Members of the transient receptor potential (TRP) superfamily are cation channels that are expressed in nearly every mammalian cell type and respond as cellular sensors to various environmental stimuli. Light, pressure, osmolarity, temperature, and other stimuli can induce TRP calcium conductivity and correspondingly trigger many signaling processes in cells. Disruption of TRP channel activity, as a rule, harms cellular function. Despite numerous studies, the mechanisms of TRP channel regulation are not yet sufficiently clear, in part, because TRP channels are regulated by a broad set of ligands having diverse physical and chemical features. It is now known that some TRP members are located in membrane microdomains termed lipid rafts. Moreover, interaction between specific raft-associated lipids with channels may be a key regulation mechanism. This review examines recent findings related to the roles of lipid rafts in regulation of TRP channel activity. The mechanistic events of channel interactions with the main lipid raft constituent, cholesterol, are being clarified. Better understanding of mechanisms behind such interactions would help establish the key elements of TRP channel regulation and hence allow control of cellular responses to environmental stimuli.
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