Title: Sulfo-N-succinimidyl esters of long chain fatty acids specifically inhibit fatty acid translocase (FAT/CD36)-mediated cellular fatty acid uptake
Authors: Coort, SLM ×
Willems, Jean
Coumans, WA
van der Vusse, GJ
Bonen, A
Glatz, JFC
Luiken, JJFP #
Issue Date: Oct-2002
Publisher: Kluwer academic publ
Series Title: Molecular and cellular biochemistry vol:239 issue:1-2 pages:213-219
Abstract: Sulfo-N-succinimidyl esters of LCFAs are a powerful tool to investigate the functional significance of plasmalemmal proteins in the LCFA uptake process. This notion is based on the following observations. First, sulfo-N-succinimidyl oleate (SSO) was found to inhibit the bulk of LCFA uptake into various cell types, i.e. rat adipocytes, type II pneumocytes and cardiac myocytes. Second, using cardiac giant membrane vesicles, in which LCFA uptake can be investigated in the absence of mitochondrial oxidation, SSO retained the ability to largely inhibit LCFA uptake, indicating that inhibition of LCFA transsarcolemmal transport is its primary action. Third, SSO has no inhibitory effect on glucose and octanoate uptake into giant membrane vesicles derived from heart and skeletal muscle, indicating that its action is specific for LCFA uptake. Finally, SSO specifically binds to the 88 kDa plasmalemmal fatty acid transporter FAT, a rat homologue of human CD36, resulting in an arrest of the transport function of this protein.
ISSN: 0300-8177
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Faculty of Medicine, Campus Kulak Kortrijk
× corresponding author
# (joint) last author

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