Multiple Cytokines and Acute Inflammation Raise Mouse Leptin Levels: Potential Role in Inflammatory Anorexia

Several inflammatory cytokines, most notably tumor necrosis factor (TNF) and IL-1, induce anorexia and loss of lean body mass, common manifestations of acute and chronic inflammatory conditions. In C57BL/6 female mice, the administration of TNF, IL-1, and, to a lesser extent, leukemia inhibitory fac...

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Detalles Bibliográficos
Autores principales: Sarraf, Pasha, Frederich, Robert C., Turner, Ewa M., Ma, Grace, Jaskowiak, Nora T., Rivet, Dennis J., Flier, Jeffrey S., Lowell, Bradford B., Fraker, Douglas L., Alexander, H. Richard
Formato: Texto
Lenguaje:English
Publicado: The Rockefeller University Press 1997
Materias:
Brief Definitive Report
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2196098/
https://www.ncbi.nlm.nih.gov/pubmed/8996253
Descripción
Sumario:Several inflammatory cytokines, most notably tumor necrosis factor (TNF) and IL-1, induce anorexia and loss of lean body mass, common manifestations of acute and chronic inflammatory conditions. In C57BL/6 female mice, the administration of TNF, IL-1, and, to a lesser extent, leukemia inhibitory factor (LIF), produced a prompt and dose-dependent increase in serum leptin levels and leptin mRNA expression in fat. IL-10, IL-4, ciliary neurotrophic factor, and IL-2, cytokines not known to induce anorexia or decrease food intake, had no effect on leptin gene expression or serum leptin levels. After administration of Escherichia coli lipopolysaccharide (LPS), leptin gene expression and leptin levels were increased. These findings suggest that leptin levels may be one mechanism by which anorexia is induced during acute inflammatory conditions.

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