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Effects of exercise and L-arginine intake on inflammation in aorta of hight-fat diet induced obese rats

Title
Effects of exercise and L-arginine intake on inflammation in aorta of hight-fat diet induced obese rats
Author
이진
Keywords
Exercise; arginine; aorta; inflammation
Issue Date
2016-03
Publisher
한국운동영양학회
Citation
Journal of Exercise Nutrition & Biochemistry, v. 20, NO 1, Page. 36-40
Abstract
[Purpose] In the present study, we investigated the effect of exercise and arginine on the inflammatory makers and Cu-Mn superoxide dismutase (SOD) expression in the aortas of high-fat-induced obese rats. [Methods] Fifty 6-month-old male Sprague-Dawley rats were randomly assigned as follows: HF-Con: high-fat diet, HF-Ex: high-fat diet and exercise, HF-Ex+A: high-fat diet and combined exercise and arginine, HF-A: high-fat diet and arginine. The high-fat diet was fed for 12 weeks following 1 week of environmental adaptation with mixed solid chow. The rats performed treadmill exercise 6 times per week for 12 weeks at20 m/min for 60 min. L-argininewas mixed with saline and orally administered at 150 mg/kg once a day. Expressions of inflammatory markers (including NF- κB, TNF-α, COX-2) and SOD were evaluated using western blotting. [Results] NF-κB expression decreased significantly (p<0.05) in the HF-Ex group compared with HF-Con group, and we found additional effects(p<0.01) on NF-κB expression in HF-EX+A compared withHF-Ex. TNF-α expression decreased significantly (p<0.01) in HF-Ex, FH-Ex+A, and FH-A compared with HF-Con. In a similar trend with NF-κB expression, COX-2 expression decreased significantly in HF-Ex compared withHF-Con. In Cu-Mn SOD expression, there was no difference between HF and HF-Ex, but significant increases (p<0.01) inCu-Mn SOD werefound in HF-Ex+A and HF-A. [Conclusion] Based on our results, treatment that combines exercise and arginine might be effective for modulatingvascular inflammation and oxidative stress in obesity
URI
http://jenb.or.kr/_common/do.php?a=full&amp;bidx=489&amp;aidx=6157http://hdl.handle.net/20.500.11754/34261
ISSN
2233-6842
DOI
10.20463/jenb.2016.03.20.1.6
Appears in Collections:
RESEARCH INSTITUTE[S](부설연구소) > ETC
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