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Objective: To investigate the effect and mechanism of a Chinese herbal formula MG in ameliorating estrogen deficiency bone loss. Methods: 10 month old female rats were randomly divided into three groups: ovariectomized (OVX), OVX treated with MG decoction (OVX M) and OVX treated with estrogen injection (OVX E). The urinary pyridinoline creatinine ratio (Pyd/Cr), deoxypyridinoline creatinine ratio (Dpd/Cr), and plasma alkaline phosphatase (ALP) were determined at the baseline, 1, 4, 8 and 12 postoperative weeks. Results: Our data showed an average increase of 93% in Pyd/Cr ( P <0.001), 180% in Dpd/Cr ( P <0.005) and 59% in plasma ALP ( P <0.001) respectively in the OVX group after ovariectomy. Compared with OVX rats, the increase of the OVX M group were prevented 39% in Pyd/Cr, 102% in Dpd/Cr and 19% in ALP respectively ( P <0.05). Conclusion: The herbal formula MG possesses a therapeutic effect on estrogen dependent bone loss by inhibiting the bone turnover as estrogen replacement.
Objective: To investigate the effect and mechanism of a Chinese herbal formula MG in ameliorating estrogen deficiency bone loss. Methods: 10 month old female rats were divided into three groups: ovariectomized (OVX), OVX treated with MG decoction (OVX M) and The urinary pyridinoline creatinine ratio (Pyd / Cr), deoxypyridinoline creatinine ratio (Dpd / Cr), and plasma alkaline phosphatase (ALP) were determined at the baseline, 1, 4, 8 and 12 postoperative weeks. Results: Our data showed an average increase of 93% in Pyd / Cr (P <0.001), 180% in Dpd / Cr group after ovariectomy. Compared with OVX rats, the increase of the OVX M group were prevented 39% in Pyd / Cr, 102% in Dpd / Cr and 19% in ALP respectively (P <0.05). Conclusion: The herbal formula MG possesses a therapeutic effect on estrogen dependent bone loss by inhibiting the bone turnover as estrogen rep lacement.