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Correlation between food intake and CSF IL-1 alpha in anorectic tumor bearing rats
E I Opara1, A Laviano, M M Meguid
1Department of Surgery SUNY Health Science Center, Syracuse 13210, USA.
Abstract:
Postulating that central IL-1 is involved in the pathogenesis of cancer anorexia we measured IL-1 alpha in cerebrospinal fluid (CSF) from anorectic tumor bearing (TB) rats and non-tumor bearing controls, and correlated their CSF IL-1 alpha with food intake and tumor weight. Food intake in controls was significantly higher than that in anorectic TB rats. Eight of the 13 anorectic TB rats had detectable CSF IL-1 alpha; no CSF IL-1 alpha was detected in controls. In anorectic TB rats a negative correlation existed between CSF IL-1 alpha and food intake and a positive correlation between CSF IL-1 alpha and tumor weight. Data suggest a link between CSF IL-1 alpha and the pathogenesis of cancer anorexia.