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Article in Chinese | WPRIM | ID: wpr-682069

ABSTRACT

Objective To study ADFR with statin programmed therapy of osteoporosis in ovariectomized rats.Methods Fifty female rats were randomly allocated into 2 groups:sham operation (S, n =10) and OVX ( n =40) group.After operation for one month,OVX were randomly allocated into 4 groups (each n =10):OVX,statins (T),bisphosphonates (B) and statins+bisphosphonates+calcium+vitamin D (ADFR).After feeding statins or bisphosphonates or ADFR for 100 days,all rats were sacrificed.The effects of T or B or ADFR on bone histomorphology or osteocalcin in sera or deoxypyridoxine in urea were studied.Results The data showed that osteocalcin and deoxypyridine in OVX group were significantly improved compared with S group ( P 0 05) ,in B group was decreased,and in ADFR group was increased compared with OVX group.The histomorphometric date showed that TOS,MOSW,STS/DTS,TBOS,TBSC and iMAR in OVX were significantly increased,and TBV,MLT and ? in OVX were decreased,compared with S group.TBV in B,T and ADFR groups was larger than that in OVX group.TOS,MOSW,TBOS and TBCS in B group were smaller than those in OVX group,? in B group was longer than that in OVX group,TBCS and ? in T group were increased compared with OVX group.Conclusion Statins promote bone turnover,increase osteoblast activity and osteoid production,and reduce the bone construction.Bisphosphonates inhibit bone absorption,while ADFR acelerate bone formation and reduce bone loss,suggesting that polytherapy is preferable to monotherapy.

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