동물모델을 이용한 짚신나물 물 추출물의 위염 예방효과 및 유전독성 평가
Preventive Effect of the Water Extract of Agrimonia pilosa Ledeb and Micronucleus Assay-Based Evaluation of Genotoxicity in Gastritis Animal Models
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Background: Agrimonia pilosa Ledeb has been used as a traditional medicine for the treatment of hematuresis and uterine bleeding in Korea. It has been reported to have anti-obesity, anti-diabetes and anti-inflammaotry effect by regulating the inflammatory signaling pathway. However, the preventive effect of Agrimonia pilosa Ledeb on gastritis has not been elucidated. Thus, in the present study, we evaluated the effects of the water extract of Agrimonia pilosa Ledeb (APW) using HCl/EtOH-induced gastritis rat models. Method and Results: Gastritis was induced in rats by HCl/EtOH administration. The rats in each group were orally administered with two doses of APW (100 and 500㎎/㎏). Omeprazole was used as a positive control drug. An enzyme-linked immunosorbent assay (ELISA) was used to measure the prostaglandin E2 (PGE2) levels in stomach. The treatment with 500㎎/㎏ APW reduced the gastric ulcer area. The APW treatment prevented a decreased in PGE2 concentration induced by HCl/EtOH in rats. In the micronucleus test, the ratio of micronucleated polychromatic erythrocytes to polychromatic erythrocytes showed no significant change in the APW-treated group compared with the control group. Conclusions: These results indicate that APW could be used to prevent the gastritis caused by the HCl/EtOH-induced damage to stomach lining. In addition, the APW treatment showed no significant change in results of the micronucleus test. However, further experiments are required to determine how APW influenced the secretion of mucus and gastric acid using the chromosome aberration test and bacterial reverse mutation assay.
Abstract
Background: Agrimonia pilosa Ledeb has been used as a traditional medicine for the treatment of hematuresis and uterine bleeding in Korea. It has been reported to have anti-obesity, anti-diabetes and anti-inflammaotry effect by regulating the inflammatory signaling pathway. However, the preventive effect of Agrimonia pilosa Ledeb on gastritis has not been elucidated. Thus, in the present study, we evaluated the effects of the water extract of Agrimonia pilosa Ledeb (APW) using HCl/EtOH-induced gastritis rat models. Method and Results: Gastritis was induced in rats by HCl/EtOH administration. The rats in each group were orally administered with two doses of APW (100 and 500㎎/㎏). Omeprazole was used as a positive control drug. An enzyme-linked immunosorbent assay (ELISA) was used to measure the prostaglandin E2 (PGE2) levels in stomach. The treatment with 500㎎/㎏ APW reduced the gastric ulcer area. The APW treatment prevented a decreased in PGE2 concentration induced by HCl/EtOH in rats. In the micronucleus test, the ratio of micronucleated polychromatic erythrocytes to polychromatic erythrocytes showed no significant change in the APW-treated group compared with the control group. Conclusions: These results indicate that APW could be used to prevent the gastritis caused by the HCl/EtOH-induced damage to stomach lining. In addition, the APW treatment showed no significant change in results of the micronucleus test. However, further experiments are required to determine how APW influenced the secretion of mucus and gastric acid using the chromosome aberration test and bacterial reverse mutation assay.
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