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Quantitative proteomic analysis of the adipocyte plasma membrane

Abstract

The adipocyte is a key regulator of mammalian metabolism. To advance our understanding of this important cell, we have used quantitative proteomics to define the protein composition of the adipocyte plasma membrane (PM) in the presence and absence of insulin. Using this approach, we have identified a high confidence list of 486 PM proteins, 52 of which potentially represent novel cell surface proteins, including a member of the adiponectin receptor family and an unusually high number of hydrolases with no known function. Several novel insulin-responsive proteins including the sodium/hydrogen exchanger, NHE6 and the collagens III and VI were also identified, and we provide evidence of PM-ER association suggestive of a unique functional association between these two organelles in the adipocyte. Together these studies provide a wealth of potential therapeutic targets for the manipulation of adipocyte function and a valuable resource for metabolic research and PM biology.

Type Journal
Authors Prior, M. J.; Larance, M.; Lawrence, R. T.; Soul, J.; Humphrey, S.; Burchfield, J.; Kistler, C.; Davey, J. R.; La-Borde, P. J.; Buckley, M.; Kanazawa, H.; Parton, R. G.; Guilhaus, M.; James, D. E.:
Publisher Name J PROTEOME RES
Published Date 2011-09-21 00:00:00
Published Volume 10
Published Issue 11
Published Pages 4970-82
URL http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=21928809
Status Published In-print
OpenAccess Link https://publications.gimr.garvan.org.au/download.php?10701_11671/11 Prior Prot Res_.pdf