Nutritional factors and bone homeostasis: synergistic effect with zinc and genistein in osteogenesis

Yamaguchi, Masayoshi
July 2012
Molecular & Cellular Biochemistry;Jul2012, Vol. 366 Issue 1/2, p201
Academic Journal
Bone homeostasis is regulated through osteoclasts and osteoblasts. Osteoporosis, which is induced with its accompanying decrease in bone mass with increasing age, is widely recognized as a major public health problem. Bone loss may be due to decreased osteoblastic bone formation and increased osteoclastic bone resorption. There is growing evidence that nutritional and food factors may play a part in the prevention of bone loss with aging and have been to be worthy of notice in the prevention of osteoporosis. Zinc, an essential trace element, or genistein, which are contained in soybeans, has been shown to have a stimulatory effect on osteoblastic bone formation and an inhibitory effect on osteoclastic bone resorption, thereby increasing bone mass. These factors have an effect on protein synthesis and gene expression, which are related to bone formation in osteoblastic cells and bone resorption in osteoclastic cells. The combination of zinc and genistein is found to reveal the synergistic effect on bone anabolic effect. The oral administration of those factors has been shown to prevent on bone loss in ovariectomized rats, an animal model for osteoporosis, indicating a role in the prevention of osteoporosis. Supplemental intake of ingredient with the combination of zinc and genistein has been shown to have a preventive effect on osteoporosis in human subjects, suggesting a role in the prevention of bone loss.


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