Cyanidin reduces preadipocyte differentiation and relative ChREBP expression. (Articolo in rivista)

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  • Cyanidin reduces preadipocyte differentiation and relative ChREBP expression. (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Alternative label
  • Pompei A, Toniato E, Innocenti P, D Alimonte I, Cellini C, Mattoscio D, Cotellese R, Bosco D, Ciccarelli R, Dadorante V, D Orazio N, Martinotti S, Robuffo I. (2012)
    Cyanidin reduces preadipocyte differentiation and relative ChREBP expression.
    in Journal of Biological Regulators & Homeostatic Agents (Testo stamp.); Biolife SAS, Silva Marina (TE) (Italia)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Pompei A, Toniato E, Innocenti P, D Alimonte I, Cellini C, Mattoscio D, Cotellese R, Bosco D, Ciccarelli R, Dadorante V, D Orazio N, Martinotti S, Robuffo I. (literal)
Pagina inizio
  • 253 (literal)
Pagina fine
  • 264 (literal)
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  • 26 (literal)
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  • 12 (literal)
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  • 2 (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • CNR, Sect Chieti, Inst Mol Genet, I-66100 Chieti, Italy Univ G dAnnunzio, Dept Oral Sci Nano & Biotechnol, Chieti, Italy Univ G dAnnunzio, Dept Biomed Sci, Chieti, Italy Gabriele DAnnunzio Univ Fdn, Aging Res Ctr CeSI, Chieti, Italy St Annunziata Hosp, Dept Clin Pathol, Chieti, Italy (literal)
Titolo
  • Cyanidin reduces preadipocyte differentiation and relative ChREBP expression. (literal)
Abstract
  • Adipogenesis is a continuous process even in adult adipose tissue for the presence of preadipocytes that, when subjected to appropriate stimuli can proliferate and differentiate. ChREBP, the essential transcription factor for lipogenesis, is expressed in all tissues, but mainly in lipogenic organs. In this study, we focused on ChREBP expression during preadipocytes differentiation. Since it was found that cyanidin-3 reduces body weight in mice even in the presence of a high-fat diet, by decreasing levels of blood glucose and by improving insulin sensitivity, we studied the effect of this substance on adipogenic differentiation. For this purpose we used preadipocytes obtained from subcutaneous and visceral human adipose explant tissue, characterized and stimulated to differentiate in selective media. On cytofluorimetric analysis these cells showed mesenchymal markers (CD29, CD90, CD44), whereas they were negative for hematopoietic markers (CD45, CD10, CD117, CD31). ChREBP expression levels were quantified by immunoelectron-microscopy and western blotting analysis. In this report we show that ChREBP is expressed in preadipocytes (both nuclear and cytoplasmic compartments); the cytoplasmic level of ChREBP increased by 50% on day seven of differentiation into mature adipocytes. Cyanidin reduced differentiation by 20% (as evaluated by red oil O staining) and the expression of ChREBP. In addition, cyanidin-treated cells showed abnormal morphology, a square shape with irregular size, probably due to the fact that cyanidin may interfere with the extracellular matrix. These findings suggest that dietary cyanidin, may have inhibitory effects on adipogenesis. (literal)
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