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Effects of high-protein diet and/or resveratrol supplementation on the immune response of irradiated rats

Authors
Kim, Kyoung OkPark, HyunjinKim, Hyun-Sook
Issue Date
Sep-2014
Publisher
Korean Society of Food Science and Nutrition
Keywords
High-protein diet; Immune function; Inflammation; Radiation treatment; Resveratrol
Citation
Preventive Nutrition and Food Science, v.19, no.3, pp 156 - 163
Pages
8
Journal Title
Preventive Nutrition and Food Science
Volume
19
Number
3
Start Page
156
End Page
163
URI
https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/10810
DOI
10.3746/pnf.2014.19.3.156
ISSN
2287-1098
2287-8602
Abstract
We investigated the effects of a high-protein diet and resveratrol supplementation on immune cells changes induced by abdominal irradiation in rats. Female Wistar rats were divided into 5 groups: 1) control diet, 2) control diet with irradiation 3) 30% high-protein diet with irradiation, 4) normal diet with resveratrol supplementation and irradiation, and 5) 30% high-protein diet with resveratrol supplementation and irradiation. We measured blood protein and albumin concentrations, lipid profiles, white blood cell (WBC) counts, proinflammatory cytokine production, and splenocyte proliferation in rats that had been treated with a 17.5 Gy dose of radiation 30 days prior. A high-protein diet affected plasma total cholesterol and very low density lipoprotein-cholesterol levels, which were increased by the radiation treatment. In addition, the lymphocyte percentage and immunoglobulin M (IgM) concentration were increased, and the neutrophil percentage was decreased in rats fed a high-protein diet. Resveratrol supplementation decreased the triglyceride (TG) level, but increased the IgM concentration and splenocyte proliferation. Proinflammatory cytokine production was lower in rats fed a high-protein diet supplemented with resveratrol than in rats fed a control diet. The results of the present study indicate that high-protein diets, with or without resveratrol supplementation, might assist with recovery from radiation-induced inflammation by modulating immune cell percentages and cytokine production. Copyright © 2014 by The Korean Society of Food Science and Nutrition. All rights Reserved.
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생활과학대학 (식품영양학과)
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