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Dadun > Depósito Académico > Facultad de Farmacia > Departamento de Ciencias de la Alimentación, Fisiología y Toxicología > DA - Farmacia - CAFT - Artículos de revista >

Vitamin C modulates the interaction between adipocytes and macrophages
Autor(es) : Garcia-Diaz, D.F. (Diego F.)
Campión-Zabalza, J. (Javier)
Quintero, P. (Pablo)
Milagro-Yoldi, F.I. (Fermín Ignacio)
Moreno-Aliaga, M.J. (María Jesús)
Martinez, J.A. (Jose Alfredo)
Palabras clave : Ascorbic acid
Cell culture
Inflammation
Obesity
Fecha incorporación: 2011
Editorial : Wiley Blackwell
Versión del editor: http://dx.doi.org/10.1002/mnfr.201100296
ISSN: 1613-4125
Cita: Garcia-Diaz DF, Campion J, Quintero P, Milagro FI, Moreno-Aliaga MJ, Martinez JA. Vitamin C modulates the interaction between adipocytes and macrophages. Mol Nutr Food Res. 2011 Sep;55 Suppl 2:S257-63.
Resumen
Scope: Increased adiposity is related with monocyte infiltration into the adipose tissue that accentuates inflammation. Antioxidant treatments emerge as approaches to counteract this phenomenon. Methods and results: Cocultures of differentiated 3T3-L1 adipocytes and RAW264.7 macrophages were incubated for 24-72 h with/without 100 nM insulin and/or 200 μM vitamin C (VC). Nitric oxide (NO) secretion (24 h) was measured. Also, expression (24 h) and secretion (72 h) of MCP-1, leptin and apelin were analyzed. NO secretion was significantly inhibited by insulin and VC only in cocultures. MCP-1 expression/secretion was enhanced in cocultures. Insulin incubation reduced MCP-1 expression in both cultures and VC only in controls. Both treatments inhibited MCP-1 secretion in cocultures. Apelin gene expression was induced in cocultures. Insulin induced apelin mRNA expression, but VC inhibited its expression in cocultures under insulin treatment. Apelin secretion was notably induced by insulin and inhibited by VC in cocultures. Leptin expression was decreased in coculture, while presented no effects by VC. Conclusion: VC importantly modulates the established pro-inflammatory state in the interaction between adipocytes and macrophages.
Enlace permanente: http://hdl.handle.net/10171/19173
Aparece en las colecciones: DA - Farmacia - CAFT - Línea Especial de Nutrición
DA - Farmacia - CAFT - Artículos de revista

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