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KMID : 0861020200350060021
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Korea Journal of Herbology
2020 Volume.35 No. 6 p.21 ~ p.28
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Improvement Effect of Sprout of Coix lacryma-jobi var. mayuen Stapf Water Extract on DSS-Induced Ulcerative Colitis in Mice
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Kim Min-Ju
Shin Mi-Rae
Lee Jin-A
Park Soon-Ae
Park Hae-Jin
Lee Jeong-Hoon
Roh Seong-Soo
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Abstract
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Objectives：The objective of this study was to investigate the improvement effect of Sprout of Coix lacryma-jobi var. mayuen Stapf water extract (SC) on the dextran sulfate sodium (DSS)-induced ulcerative colitis mice.
Methods：The antioxidant activity of SC was measured through total polyphenol and total flavonoid content in vitro. The experiment was conducted with seven-week-old male Balb/c mice. After 1 week adaptation, acute colitis was induced by oral administration of 5% DSS dissolved in drinking water, for 7 days. And normal mice received drinking water without DSS throughout the entire experimental period. For each experiment, the mice were divided into 4 groups and 24 colitis mice were arbitrarily allocated into 3 groups (n = 8/group); Normal group, Control group, SC 100 ㎎/㎏ treated group (SCL), SC 200 ㎎/㎏ treated group (SCH). Serum and colon tissues were collected after one weeks of drug administration.
Results：ROS levels, ONOO- levels, AST, and ALT in serum were decreased in SC treated groups compared to the control group. Western blotting measurements of Nrf2, HO-1, SOD, catalase, GPx-1/2, IL-4, IL-10, and Bcl2 showed that the SC treated groups was increased compared to the Control group. Also, western blot measurements of NF- ĸBp65, p-IĸBα, COX-2, iNOS, TNF-α, IL-1β, Bax, and Caspase-3 showed that the SC treated groups was reduced compared to the Control group.
Conclusion：Taken together, these results suggest that SC treatment can attenuate the DSS-induced colitis though inhibiting NF-ĸB pathway and enhancing Nrf2 pathway. Therefore, SC was the potential to be used as a natural therapeutic drug.
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KEYWORD
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Sprout of Coix lacryma-jobi var. mayuen Stapf, Colitis, Dextran sulfate sodium (DSS), Anti-oxidant, Inflammation, Anti-inflammation, Necrosis
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