Effects of megestrol acetate on circulating interleukin-15 and interleukin-18 concentrations in healthy elderly men

The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
Charles P LambertWilliam J Evans

Abstract

Interleukin-15 (IL-15) and interleukin-18 (IL-18) are potential regulators of body composition in humans. The authors previously reported that megestrol acetate ingestion causes a large accumulation of adipose tissue and reduces muscle mass. Therefore, the purpose of this investigation was to evaluate the effects of megestrol acetate ingestion on circulating IL-15 and IL-18 concentrations in healthy elderly men. All participants received 800 mg of megestrol acetate per day during this 12-week study. Megestrol acetate was combined with testosterone injections (100 mg/week), placebo injections, resistance training, or resistance training and testosterone. Resting IL-15 and IL-18 concentrations were measured by enzyme-linked immunosorbent assay at week 0 (pre), week 6 (mid), and week 12 (post). The time effect for IL-15 was significant (p = .0008), with the mid and post values being significantly greater than the pre value. The change in IL-15 concentration was not significantly related to the change in muscle mass (r = -.31; p > .05), nor was it related to the change in fat mass (r =.17; p > .05). Differences among groups or over time were not significant for IL-18, nor were correlations between pre body weight and pre IL-18 (r =...Continue Reading

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Citations

Nov 13, 2008·American Journal of Physiology. Endocrinology and Metabolism·Lebris S QuinnJosép M Argilés
Feb 12, 2013·Clinical Nutrition : Official Journal of the European Society of Parenteral and Enteral Nutrition·Josep M ArgilésBritta Stemmler
Jul 25, 2012·Oncology Reports·Pedro L Martínez-HernándezJoaquín Sánchez García-Girón

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