皮下脂肪组织分泌的蛋白质作为老年人身体和认知功能的内分泌调节剂
Cheehoon Ahn1, Ian Tamburini2, James A Sanford3
1Translational Research Institute, AdventHealth, Orlando, FL, USA.
Molecular metabolism
|July 17, 2025
概括
腹部皮下脂肪组织 (ASAT) 的异常影响衰老. 这项研究确定了ASAT炎症和特定蛋白质是影响老年人身体和认知功能的关键因素.
科学领域:
- 老年学和分子生物学
- 脂肪组织生物学 脂肪组织生物学
- 衰老研究研究 衰老研究
背景情况:
- 衰老与骨肌肉和认知功能下降有关.
- 腹部皮下脂肪组织 (ASAT) 的异常与这些下降有关.
- 亚沙特在衰老中的作用背后的分子机制尚不清楚.
研究的目的:
- 在ASAT中识别与老年人身体和认知功能相关的分子介质.
- 探索ASAT与其他组织 (骨肌肉,心脏,大脑) 在衰老过程中的交叉声.
主要方法:
- 来自老年人的ASAT的转录组分析 (肌肉,运动和衰老研究,SOMMA).
- 来自ASAT的扩充条件介质的蛋白质组学分析.
- 系统遗传学分析以确定分泌蛋白质的调节作用.
- 在模拟模型中预测组织交叉声和炎症作用.
主要成果:
- ASAT炎症和分泌的免疫球蛋白是与年龄相关的功能衰退的关键标志.
- 分泌的SERPINF1负面调节骨肌肉收缩,可能诱导心脏炎症.
- 新的ASAT分泌蛋白质 (NID2,APOA4) 参与ASAT与骨肌肉和大脑的交叉通话.
结论:
- ASAT在通过炎症和特定的分泌因子调解与年龄相关的身体和认知衰退方面发挥着重要作用.
- 这项研究为了解人类衰老中的ASAT驱动的组织交叉通话提供了一个框架.
- 已识别的分子介质为改善与衰老相关功能的干预提供了潜在的目标.
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