[THE EFFECT OF EXOGENOUS MELATONIN ON BONE REMODELING].

V A Berezovskyi, I G Litovka, S P Veselskyi, R V Janko, U A Zhernoklev
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Abstract

It was investigated in spring 28-day experiment the administration of pharmacological doses (5 mg/kg) of melatonin to 3-month male rats with high and low levels of energy metabolismat remodeling of bone tissue. It was shown the decrease in activity of osteoblast and increase of osteoclast activity regardless of energy metabolism intensity, increase in concentration of glycosaminoglycans and free amino acids. This indicates the inhibition of physiological bone remodeling and helps to maintain the integrity of the organic matrix and the inorganic component of the fixation of the connective tissue - hydroxyapatite crystals.

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[外源性褪黑素对骨重塑的影响]。
在春季28天的实验中,研究了给药剂量(5 mg/kg)褪黑素对3月龄高、低水平骨组织能量代谢重塑的雄性大鼠的影响。结果表明,与能量代谢强度、糖胺聚糖和游离氨基酸浓度的增加无关,成骨细胞活性降低,破骨细胞活性升高。这表明抑制生理性骨重塑,并有助于维持有机基质的完整性和结缔组织-羟基磷灰石晶体固定的无机成分。
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