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Rat liver lipogenesis is modulated by interleukin-15

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Interleukin-15 (IL-15) administration to rats resulted in an important decrease in carcass fat (27%) and, consequently, in white adipose tissue mass. This decrease was linked with a decreased lipogenic rate (per g of tissue) in both adipose tissue (53%) and liver (36%). The decrease in hepatic lipogenesis was associated with lower hepatic citrate levels (49%) and a reduced activity of lipogenic enzymes. The results presented here further demonstrate the involvement of IL-15 in lipid metabolism. Thus, IL-15 seems to be able to modulate de novo fatty acid synthesis, possibly by influencing citrate tissue levels, an allosteric activator of the key lipogenic enzyme acetyl-CoA carboxylase.
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Document Type: Research Article

Affiliations: Departament de Bioquímica i Biologia Molecular, Facultat de Biologia, Universitat de Barcelona, Barcelona, Spain

Publication date: June 1, 2004

More about this publication?
  • The International Journal of Molecular Medicine is a monthly, peer-reviewed journal devoted to the publication of high quality studies related to the molecular mechanisms of human disease. The journal welcomes research on all aspects of molecular and clinical research, ranging from biochemistry to immunology, pathology, genetics, human genomics, microbiology, molecular pathogenesis, molecular cardiology, molecular surgery and molecular psychology.

    The International Journal of Molecular Medicine aims to provide an insight for researchers within the community in regard to developing molecular tools and identifying molecular targets for the diagnosis and treatment of a diverse number of human diseases.
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