Abstract
Lipodystrophies are rare acquired and genetic disorders characterized by the selective loss of adipose tissue. One key metabolic feature of patients with congenital inherited lipodystrophy is hypertriglyceridemia. The precise mechanisms by which the lack of adipose tissue causes dyslipidemia remain largely unknown. In recent years, new insights have arisen from data obtained in vitro in adipocytes, yeast, drosophila, and very recently in several genetically modified mouse models of generalized lipodystrophy. A common metabolic pathway involving accelerated lipolysis and defective energy storage seems to contribute to the dyslipidemia associated with congenital generalized lipodystrophy syndromes, although the pathophysiological changes may vary with the nature of the mutation involved. Therapeutic management of dyslipidemia in patients with lipodystrophy is primarily based on specific approaches using recombinant leptin therapy. Preclinical studies suggest a potential efficacy of thiazolidinediones that remains to be assessed in dedicated clinical trials.
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Acknowledgments
This work was supported by grants from the Institut National de la Santé et de la Recherche Médicale (Inserm), the French Ministère de l’Enseignement Supérieur et de la Recherche, and French associations (Aide aux Jeunes Diabétiques, Fondation de France, Fondation GenaVie, Association de Langue Française pour l’Etude du Diabète et des Maladies Métaboliques/Société Francophone du Diabète, and Assocation pour la Recherche Diabète).
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Xavier Prieur, Cedric Le May, Jocelyne Magré, and Bertrand Cariou declare that they have no conflict of interest.
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Prieur, X., Le May, C., Magré, J. et al. Congenital Lipodystrophies and Dyslipidemias. Curr Atheroscler Rep 16, 437 (2014). https://doi.org/10.1007/s11883-014-0437-x
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DOI: https://doi.org/10.1007/s11883-014-0437-x