Abstract Title:

Eutigoside C attenuates radiation-induced crypt injury in the mouse intestine.

Abstract Source:

Phytother Res. 2010 Jun;24(6):840-5. PMID: 19960418

Abstract Author(s):

Changjong Moon, Kyuyoung Ahn, Jihoon Kim, Jeongtae Kim, Sung-Ho Kim, Tae Heon Oh, Nam Ho Lee, Youngheun Jee, Jin Won Hyun, Jae Woo Park, Taekyun Shin

Article Affiliation:

Department of Veterinary Anatomy, College of Veterinary Medicine and Animal Medical Institute, Chonnam National University, Gwangju, South Korea.


On Jeju Island, South Korea, the leaves of Eurya emarginata have been traditionally used to treat ulcers or as a diuretic. Eutigoside C isolated from the leaves has been reported to have in vitro anti-inflammatory effects. We evaluated the radioprotective effects of eutigoside C on jejunal cell apoptosis and crypt survival in mice subjected to gamma irradiation. In addition, the ability of eutigoside C to protect against radiation-induced oxidative stress was examined by evaluating the activities of superoxide dismutase (SOD) and catalase (CAT) in radiation-induced hepatic injury. Eutigoside C was administered intraperitoneally at 48, 12, and 1 h before irradiation. The administration of eutigoside C (10, 50, or 100 mg/kg body weight) before irradiation protected the intestinal crypts from radiation-induced apoptosis (p<0.05), and attenuated radiation-induced decrease of villous height (p<0.05). Pretreating mice prior to irradiation with eutigoside C (100 mg/kg) significantly improved the survival of the jejunal crypt (p<0.01). The dose reduction factor was 1.09 at 3.5 days after irradiation. Treatment of eutigoside C prior to irradiation significantly protected SOD and CAT activities in radiation-induced hepatic injury (p<0.05). These results suggest that eutigoside C is a useful radioprotector capable of defending intestinal progenitor cells against indirect depletion, such as oxidative stress and inflammatory response caused by gamma irradiation.

Study Type : Animal Study

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