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- W2367067029 abstract "Objective: To investigate effects of betacarotene on instestine mucosa barrier function in rats damaged by X-ray radiation.Methods: 40 female SD rats were randomized into 4 groups as the normal control group(Group C),the radiation group(Group R),the β-C 5 mg/(kg·d) group(Group T1) and the β-C 10 mg/(kg·d) group(Group T2).After 14 days of continuous administration of peanut oil in groups C and R or beta-carotene(2.5 mL/kg) in groups T1 and T2,the rats in groups R,T1 and T2 were radiated under a 9 Gy dose of X-ray.And then 3 days later,the rats were killed and the amount of diamine oxidase(DAO) and the level of bacterial endotoxin were detected.The structure and length of the crypt-villus axis(CVA) of jejunum were also observed and analyzed.Results: Obvious slow weight gain was observed in group R.Compared with group C,the CVA of group R was significantly shorter(P0.01),and the intestinal mucosal injury was more serious(P0.008 3).The plasma endotoxin concentration of group R was significantly higher than that of group C(P0.01).There was no significant difference in the activities of DAO between groups R and C.There was no difference in weight gain between groups T1 and R(P0.05).The CVA of group T1 was significantly longer than that of group R,but the intestinal mucosal injury was slighter(P0.008 3).The plasma endotoxin concentration of group T1 was significantly lower than that of group R(P0.01).There was no significant difference in the activities of DAO between groups T1 and R(P0.05).Group T2 gained more than group T1(P0.01).The CVA of group T2 was significantly longer than that of group T1(P0.01),and the intestinal mucosal injury was slighter(P0.008 3).The plasma endotoxin concentration of group T2 was significantly lower than that of group T1(P0.01).There was no significant difference in the activities of DAO between groups T2 and T1(P0.05).Conclusion: Beta-carotene may decrease the X-ray radiation damage on jejunum and maintain the normal function of gut mucosa barrier in rats." @default.
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- W2367067029 date "2009-01-01" @default.
- W2367067029 modified "2023-09-26" @default.
- W2367067029 title "Effects of beta-carotene on intestine mucosa barrier function in rats damaged by X-ray" @default.
- W2367067029 hasPublicationYear "2009" @default.
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