Membrane raft redox signalosomes in endothelial cells.

Abstract:

:Membrane rafts (MRs) are specialized microdomains in the cell membrane with an altered lipid composition. Upon various stimulations, MRs can be clustered to aggregate or recruit NADPH oxidase sub-units and related proteins to form MR redox signalosomes in the membrane of cells like vascular endothelial cells (ECs). Multiple protein complexes, like MR redox signalosomes, are now considered to play a crucial role in the regulation of cell function and in the development of different cell dysfunctions. To form such redox signalosomes, ceramide will be generated from the hydrolysis of sphingomyelin by lysosomal acid sphingomyelinase that has been translocated via lysosome fusion to the MR area. In this brief review, current information is provided to help understand the occurrence and function of MR redox signalosomes. This may increase enthusiasm of the scientific community for further studies on the molecular mechanisms and the functional significance of forming such MR redox signalosomes.

journal_name

Free Radic Res

journal_title

Free radical research

authors

Zhang C,Li PL

doi

10.3109/10715762.2010.485994

subject

Has Abstract

pub_date

2010-08-01 00:00:00

pages

831-42

issue

8

eissn

1071-5762

issn

1029-2470

journal_volume

44

pub_type

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