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Proteomic of lipid rafts in the exocrine pancreas from diet-induced obese rats

  1. Author:
    Berkane, A. A.
    Nguyen, H. T. T.
    Tranchida, F.
    Waheed, A. A.
    Deyris, V.
    Tchiakpe, L.
    Fasano, C.
    NiColettl, C.
    Desseaux, V.
    Ajandouz, E. H.
    Comeau, D.
    Comeau, L.
    Hiol, A.

  2. Author Address

    Univ Paul Cezanne, IMRN,FST, INRA,PNV,UMR 6153 1147, UMR 1111,LCBA, F-13397 Marseille, France. Emory Univ, Div Digest Dis, Atlanta, GA 30322 USA. NCI, HIV Drug Resistance Program, NIH, Ft Detrick, MD 21702 USA.;Hiol, A, Univ Paul Cezanne, IMRN,FST, INRA,PNV,UMR 6153 1147, UMR 1111,LCBA, F-13397 Marseille, France.;a.hiol@univ-u.3mrs.fr
    1. Year: 2007
    2. Date: Apr
  2. Journal: Biochemical and Biophysical Research Communications
    1. 355
    2. 3
    3. Pages: 813-819
  4. Type of Article: Article
  5. ISSN: 0006-291X
  1. Abstract:

    In the present work, we induced obesity in rats with high-energy-starch diet and Studied exocrine pancreas response. The zymogen granule (ZG) or purified plasma membrane (PM) from the exocrine pancreas was used for the isolation of the detergent-resistant membranes (DRMs). Based on high content of cholesterol, GM1, the bile salt dependent lipase (BSDL), and GP2 enrichment, the low-density fractions were defined as lipid rafts. Additionally, the rafts vesicles were determined by immunogold labeling with anti BSDL. By combining MALDI-TOF/MS and nano-LC ESI Q-TOF MS/MS proteoinic identification we have selected 33 proteins from the lipid rafts which were classified into at least four functional families. Our data suggest that the acinar PM from the diet-induced obesity rats may be organized into lipid rafts, and characterization of rafts proteome can contribute to improve our understanding of food digestion under obesity. (c) 2007 Elsevier Inc. All rights reserved.

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External Sources

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  2. DOI: 10.1016/j.bbrc.2007.02.037
  3. View record in Web of Science®
  4. WOS: 000245001300035

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