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用于空间骨丢失诊断评估的循环miRNA标志物及检测试剂盒
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10Claims · 3 independent
§ Ⅰ
Dossier Overview
Inventor
王海龙; 张洪玉; 郭雅秀; 戴钟铨; 杨超; 吴峰; 隋修锟
Filing Date
Sep 3, 2026
Publication Date
Oct 27, 2026
IPC Classification
C12Q 1/6883 (2018.01)C12N 15/113 (2010.01)
本发明公开了一种用于空间骨丢失诊断评估的循环miRNA标志物及检测试剂盒,属于生物医学与分子诊断技术领域。通过卧床模拟失重实验及多层次生物信息学分析,从937个血清循环miRNA中筛选并鉴定出miR‑30a‑5p、miR‑135b‑5p和miR‑181c‑5p组合,AUC分别为0.86、0.93和0.93。基于此开发了以miR‑25‑3p为内参、cel‑miR‑39为外源性质控的标准化RT‑qPCR检测试剂盒,仅需约400μL外周血即可完成检测。经验证,该标志物组合在微重力下稳定表达且与骨形成负相关。本发明具有无创便捷、高灵敏度与高特异性,适用于航天员在轨骨健康监测及地面骨质疏松的早期诊断。
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