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  • Title: [Effect of electroacupuncture on the biochemical indices of bone and bone collagen metabolism and TNF-alpha in osteoporosis model rats without ovaries].
    Author: Bao SY, Zhang SJ, Lin WJ, Chen JF.
    Journal: Zhongguo Zhen Jiu; 2012 Dec; 32(12):1108-12. PubMed ID: 23301483.
    Abstract:
    OBJECTIVE: To explore the mechanisms of electroacupuncture (EA) on postmenopausal osteoporosis (PMO). METHODS: Sixty female SD rats aged 6 months were selected, resected double ovaries and fed for 90 days in order to make the model of experimental osteoporosis, and then, they were randomly divided into a model control group (without any therapy), a routine acupoints applying group, which were treated with EA at "Pishu" (BL 20), "Weishu" (BL 21), "Shenshu" (BL 23) and "Qihaishu" (BL 24), and an EA with tonification method (EAT) group at "Guanyuan" (CV 4) and "Zusanli" (ST 36), and an EA with dispersing blood stasis method (EAD) group at "Shenshu" (BL 23), "Geshu" (BL 17) and "Dazhu" (BL 11), and an EA with tonification and dispersing blood stasis method (EATD) group at "Guanyuan" (CV 4), "Zusanli" (ST 36), "Shenshu" (BL 23), "Geshu" (BL 17) and "Dazhu" (BL 11), 12 rats in each group. EA therapy was performed once a day, 30 min each time. Then these rats rested for 1 day after consecutive treatment for 6 days. The treatment lasted for 12 weeks. Enzyme linked immunosorbent assay (ELISA) was used to examine the level of TNF-alpha, and the level of E2, osteocalin (BGP) and carboxyterminal propeptide of type I procollagen (PICP), carboxyterminal telopeptide of type I lollagen (ICTP) by radioimmunoassay, and alkaline phosphatase by p-nitrophenylphosphate method, and Ca, P, Deoxypyridinoline (DPD) and creatinine (Cr) in urine were detected by automatic biochemistry analyzer. RESULTS: Compared with model control group, the level of DPD/Cr, Ca/Cr, and the serum contents of ALP, BGP, TNF-alpha and ICTP in all EA groups decreased significantly (all P < 0.01), the level of E2 and PICP in serum increased significantly (all P < 0.01). Compared with EATD group, the level of DPD/Cr and Ca/Cr in the other three EA groups had no statistical differences (all P > 0.05), but the level of ALP, BGP, TNF-alpha and ICTP in serum increased significantly (all P < 0.01), the level of E2 and PICP in serum decreased significantly (all P < 0.01). CONCLUSION: Acupuncture can reduce significantly the level of DPD/Cr, Ca/Cr, and the serum contents of ALP, BGP, TNF-alpha and ICTP, increase significantly the level of E2 and PICP in PMO model rats and EA with tonification and dispersing blood stasis method is superior significantly to the other routine acupuncture methods.
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