| A comparison of subcutaneous adipose tissue proteomes in juvenile piglets with a contrasted adiposity underscored similarities with human obesity. | |
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MedLine Citation:
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PMID: 22061664 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Subcutaneous fat tissues from an indigenous fat-type breed and an intensively-lean selected breed were studied in juvenile pigs. Combining DIGE with bioinformatics and target analyses of key genes, enzymes or terminal routes, this study identifies metabolic and homeostatic processes, response to organic substances, and acute-phase responses as the main pathways whose proteins were regulated in association with adiposity. Breed-related differences in abundance and activities of malic enzyme and glucose-6-phosphate dehydrogenase NADPH-supplying enzymes suggested up-regulation of the lipogenic pathway to dispose for a greater adiposity. Over-abundance in the lipolytic protein carboxylesterase-1 was revealed in fat-type piglets. A panel of pro- and anti-inflammatory proteins such as serpins, had an altered abundance in the fat-type piglets, suggesting adverse consequences of fat accumulation even in early post-weaning stages. Propensity to low-grade inflammation in fat pigs was reinforced by the up-regulation of genes encoding pro-inflammatory cytokines IL6 and TNF-α in these piglets. Differential abundance in annexin-A5 and pericentrin suggested a positive regulation of cell apoptosis in lean piglets. Our results are relevant in the context of data linking the accretion of body lipids to the physiology and pathology of adipose tissue in models other than rodents for a better control of human health and nutrition. |
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Authors:
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Florence Gondret; Blandine Guével; Emmanuelle Com; Annie Vincent; Bénédicte Lebret |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-10-28 |
Journal Detail:
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Title: Journal of proteomics Volume: - ISSN: 1876-7737 ISO Abbreviation: - Publication Date: 2011 Oct |
Date Detail:
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Created Date: 2011-11-8 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101475056 Medline TA: J Proteomics Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011. Published by Elsevier B.V. |
Affiliation:
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INRA, UMR1079 Systèmes d'Elevage, Nutrition Animale et Humaine, Domaine de la Prise, 35590 Saint Gilles, France; AgroCampus-Ouest, 35000 Rennes, France. |
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