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21.08.2019 | Original Contributions

Resveratrol reverses the negative effect of alcohol on hydroxyapatite-coated implant osseointegration in senile female rats

Zeitschrift:
Zeitschrift für Gerontologie und Geriatrie
Autoren:
Zhou-Shan Tao, Wan-Shu Zhou, Min Yang, Hongguang Xu

Abstract

Previous studies have demonstrated the damaging effect of alcohol (ALH) consumption on bone tissue and bone metabolism. Resveratrol (RES) promotes osteoblast proliferation and inhibits osteoclast proliferation and positively affects bone regeneration; however, reports about effects of RES on osseointegration in aged female rats with ALH consumption are limited. This study was designed to investigate the impact of treatment with RES on osseointegration for aged female rats with ALH consumption. This study included 30 female Sprague-Dawley rats (22 months old), weighing approximately 520 g. All animals were randomly divided into 3 groups of 10: a control group (CON) receiving saline, a group receiving ALH and a group receiving ALH + RES until death after 12 weeks. The results of enhanced osseointegration in senile female rats with RES consumption were evaluated by histology, microcomputerized tomography (micro-CT), gene expression analysis and a biomechanical test. The results of this study indicated that ALH + RES showed stronger effects on the improvement of osseointegration in senile female rats with ALH consumption. The ALH + RES produced stronger effects on bone volume per total volume (BV/TV), mean trabecular thickness (Tb.Th), mean trabecular number (Tb.N) and mean trabecular separation (Tb.Sp), connective tissue density (Conn.D) and maximum push-out force for implants, and regulation of osteogenesis and bone resorption-related gene expression. These results seem to indicate that RES intervention reverses the negative effect of alcohol on hydroxyapatite-coated implant osseointegration in senile female rats with ALH consumption.

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Zeitschrift für Gerontologie und Geriatrie

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