Reduced adipogenic gene expression in fibroblasts from a patient with type 2 congenital generalized lipodystrophy. (Articolo in rivista)

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  • Reduced adipogenic gene expression in fibroblasts from a patient with type 2 congenital generalized lipodystrophy. (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1111/j.1464-5491.2010.03052.x (literal)
Alternative label
  • B. Victoria*; J. M. Cabezas-Agricola+; B. Gonzalez-Mendez*, G. Lattanzi ^, R. Del Coco ^,L. Loidi§; F. Barreiro-; C. Calvo**; J. Lado-Abeal*++; and D. Araujo-Vilar*+ (2010)
    Reduced adipogenic gene expression in fibroblasts from a patient with type 2 congenital generalized lipodystrophy.
    in Diabetic medicine
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • B. Victoria*; J. M. Cabezas-Agricola+; B. Gonzalez-Mendez*, G. Lattanzi ^, R. Del Coco ^,L. Loidi§; F. Barreiro-; C. Calvo**; J. Lado-Abeal*++; and D. Araujo-Vilar*+ (literal)
Pagina inizio
  • 1178 (literal)
Pagina fine
  • 1187 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 2010 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • *Thyroid and Metabolic Diseases Unit (UETeM), Department of Medicine, University of Santiago de Compostela, Spain, +Servicio de Endocrinoloxia and Nutricion,Hospital Clinico Universitario de Santiago de Compostela, Spain, ^ IGM-CNR, Unit of Bologna, Bologna, Italy, §Fundacion Publica Galega de Medicina Xenomica,Hospital Clinico Universitario, Santiago de Compostela, Spain, -Department of Surgery, University of Santiago de Compostela, Spain, **Unit of Hypertension and Cardiovascular Risk, Division of Internal Medicine, Hospital Clinico Universitario de Santiago de Compostela, Spain ++Division of Endocrinology, Department of Internal Medicine, Texas Tech University Health Sciences Center School of Medicine Lubbock, TX, USA (literal)
Titolo
  • Reduced adipogenic gene expression in fibroblasts from a patient with type 2 congenital generalized lipodystrophy. (literal)
Abstract
  • Aims Beradinelli-Seip congenital generalized lipodystrophy is a rare autosomal recessive disorder characterized by near-complete absence of adipose tissue, Herculean appearance, insulin resistance, hypoleptinaemia and diabetes mellitus. The aim of this study was to investigate the in vitro effects of pioglitazone on the expression of genes involved in adipogenesis in fibroblasts from a patient with this condition due to a seipin mutation. Methods Primary cultures of fibroblasts from the skin of the patient were obtained. Fibroblasts were treated with classic adipose differentiation medium, with and without pioglitazone. Several adipogenes were evaluated by real-time reverse transcriptase-polymerase chain reaction and western blotting. Intracellular localization of prelamin A was studied by immunofluorescence microscopy. Results The expression of the adipogenic genes PPARG, LPL, LEP and SLC2A4 was reduced in lipodystrophic fibroblasts, while treatment with pioglitazone increased the expression of these genes. Moreover, and unexpectedly, we found an accumulation of farnesylated prelamin A in lipodystrophic fibroblasts. Conclusions The process of adipocyte differentiation is compromised in patients with Beradinelli-Seip congenital lipodystrophy owing to diminished expression of the regulatory genes involved, which pioglitazone treatment partially rescues. Prelamin A accumulation establishes a link with other types of familial lipodystrophies, as familial partial lipodystrophy. (literal)
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