Au@16-pH-16/miR-21模仿纳米系统:通过棕色和热生成诱导来有效治疗肥胖症
Said Lhamyani1, Adriana-Mariel Gentile2, María Mengual-Mesa3
1Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29580 Malaga, Spain; Clinical Unit of Endocrinology and Nutrition, University Regional Hospital of Malaga, 29009 Malaga, Spain; Obesity and Nutrition CIBER (CIBERobn), Instituto de Salud Carlos III, Madrid, Spain.
Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie
|January 10, 2024
概括
一种新的金纳米粒子和双子表面活性剂输送系统有效地将miR-21模仿物输送到脂肪组织中,抑制体重增加并促进肥胖小鼠的热生成.
科学领域:
- 生物医学科学 生物医学科学
- 纳米技术纳米技术
- 代谢研究研究 代谢研究
背景情况:
- 肥胖治疗选择受到药物副作用的限制.
- 刺激白色脂肪组织中的能量消耗是一种有前途的治疗策略.
- 微RNA-21 (miR-21) 模仿剂通过增强新陈代谢,色和热生成,显示出对肥胖治疗的潜力.
研究的目的:
- 评估一种使用金纳米粒子和双子星表面活性剂 (Au@16-ph-16) 进行miR-21模仿的新输送系统.
- 为了确定这个系统是否可以复制miR-21模仿的抗肥胖作用.
- 评估对体重增加,脂肪组织色和热生成的影响.
主要方法:
- 在肥胖小鼠模型中使用了新的Au@16-ph-16纳米粒子系统来模仿miR-21的输送.
- 通过纳米粒子系统,通过低剂量的miR-21模仿 (0.2μg/动物) 进行管理.
- 分析了体重增加,与色和发热相关的基因和蛋白质表达,以及各种组织中的miR-21水平.
主要成果:
- 低剂量miR-21模仿通过Au@16-ph-16传递显著抑制体重增加.
- 诱导脂肪组织色和发热参数,由上调的基因和蛋白质证明.
- 特别是在脂肪组织中增加miR-21水平,而在其他组织中没有显著变化.
- 促进了色脂肪细胞和线粒体生物发生.
结论:
- Au@16-ph-16系统是miRNA模拟的有效输送工具.
- 这种纳米粒子系统显示出开发肥胖安全有效的临床治疗的潜力.
- 进一步的研究可以推进基于miRNA的代谢障碍治疗方法.
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