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Therapeutic effect of icariin combined with stem cells on postmenopausal osteoporosis in rats.
Journal of Bone and Mineral Metabolism 2018 March
Osteoporosis is characterized by skeletal fragility and microarchitectural deterioration. The side effects of drugs to treat osteoporosis will negatively affect the health of patients. This study aimed to investigate the therapeutic effects of icariin combined with adipose-derived stem cells on osteoporosis in a postmenopausal osteoporosis model after ovariectomy in rats. After ovariectomy the rats were treated with icariin combined with adipose-derived stem cell transplantation. The levels of alkaline phosphatase, tartrate-resistant acid phosphatase, osteoprotegerin, and bone γ-carboxyglutamate protein in serum were determined by ELISA. The bone mineral density was measured by dual-energy X-ray absorptiometry. The mechanical properties were determined by a three-point bending test. The kidney functions were evaluated by an automatic analyzer and a diagnostic kit. Icariin combined with stem cells significantly reduced body weight gain caused by ovariectomy, significantly decreased alkaline phosphatase, tartrate-resistant acid phosphatase, and bone γ-carboxyglutamate protein content in serum, significantly increased osteoprotegerin content, significantly elevated bone mineral density of the lumbar spine, left femur, and right femur, and enhanced bone biomechanical properties of the femur, including maximum bending load, bending rigidity, and fracture energy, in osteoporotic rats. In addition, icariin combined with stem cells substantially decreased the damage to the liver and kidney in osteoporotic rats. Icariin combined with stem cells can not only ameliorate reduction of bone mass and disruption of the microarchitectural structure of bone tissue caused by osteoporosis in a rat model but can also have a beneficial effect on organ functions, such as those of the liver and kidney.
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