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An experimental study of effect of curcumin on improvementof bone microarchitecture and bone quality inhigh-fat-diet C57BL/6J mice and its association with cathepsin K / 中国药理学通报
Chinese Pharmacological Bulletin ; (12): 1446-1451, 2017.
Article in Chinese | WPRIM | ID: wpr-614866
ABSTRACT
Aim To investigate the effect of curcumin against high-fat-diet induced C57BL/6J mice bone changes and the correlation between the expression of cathepsin K and curcumin.Methods Curcumin treated C57BL/6J mice had been on high fat diet for 12 weeks.The HE, Alizarin red S staining and Safranin O/fast green staining of femur were employed to evaluate bone microstructure, bone metabolism and bone development.The expressions of cathepsin K were assessed by Western blot and immunohistochemical staining.Results Histopathological results showed that curcumin could improve the destruction of trabecular bone structure, cartilage development and bone calcification.Biomechanical results proved that curcumin could improve the bone strength of the type 2 diabetic mice induced by high fat.The results of immunohistochemistry and Western blot assay indicated that curcumin could significantly inhibit the expression of cathepsin K in bone tissues of mice.Conclusion Curcumin can increase bone strength, improve bone microstructure, and enhance the degree of bone calcification, which may be achieved by inhibiting the expression of cathepsin K.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Pharmacological Bulletin Year: 2017 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Pharmacological Bulletin Year: 2017 Type: Article