Abstract
The aim of this study is to investigate effects of exenatide (Glucagon-Like Peptide Agonist) replacement on bone mineral density (BMD) and microarchitecture in a surgical menopause-induced osteoporosis model in rats. In this study, 24 female Sprague-Dawley albino mature rats were used. Rats were assigned either to the group ovariectomized administered exenatide or to the control group. Bone Mineral Density (BMD), plasma cytokine levels and histomorphometric analysis were measured. Ovariectomized rats showed significant decrease BMD values, trabecular counts, trabecular thickness and trabecular area. Also, significant increase trabecular separation and plasma TNF-α (Tumor Necrosis Factor) and IL-6 (Interleukin) levels. Exenatide treatment reversed these changes and it showed a considerable protective effect on trabecular bone microarchitecture. Exenatide may be a candidate for use in the treatment of postmenopausal osteoporosis and anti-inflammatory properties can be attributed this effects.
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