健康报数字版-九游会网址
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当前期 发行日期:2022年01月06日, 期刊号:第 51 期
健康报数字版-九游会网址
本报讯 (特约记者严丽 通讯员曾超)中南大学湘雅医院骨科雷光华教授团队与纽约大学刘传聚教授团队合作,在骨关节炎发病机理与临床防治领域取得重要研究成果。近日,该研究成果以原创论著形式在线发表在期刊《风湿病学年鉴》上。
骨关节炎是一种常见衰老性疾病,目前尚无安全有效、可延缓病情进展的治疗药物。因此,需进一步明确骨关节炎的发病机理和潜在干预靶点,并研发安全有效的新药。
研究人员针对1046种美国食品药品监督管理局认证的药物进行广泛筛选和功能验证,发现强心甾类药物地高辛具有保护软骨细胞、延缓小鼠骨关节炎模型软骨退变的作用,并首次证实低密度脂蛋白受体相关蛋白4是地高辛作用于软骨细胞的靶点。
通过开展大样本研究,研究人员发现服用地高辛与人工关节置换手术率降低显著相关,而这些人工关节置换手术都与骨关节炎相关。
这一发现不仅为明确地高辛的软骨保护作用及其具体机制提供了理论依据,而且也为进一步开发治疗骨关节炎的相关药物提供了新思路。