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一种基于扫描电子显微镜的方法,用于探索小鼠和人类糖尿病脏中的子细胞空间重塑
Sara Conti1, Ariela Benigni2, Giuseppe Remuzzi2
1Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Centro Anna Maria Astori, Science and Technology Park Kilometro Rosso, Via Stezzano, 87, Bergamo, 24126, Italy. sara.conti@marionegri.it.
Scientific reports
|February 20, 2026
概括
一种新的扫描电子显微镜 (SEM) 方法准确地分析非透脏样本中的子细胞空间 (SPS). 这种技术对于研究糖尿病脏病和人类脏活检中的细胞损伤有价值.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 电子显微镜电子显微镜
- 糖尿病病研究 糖尿病病研究
背景情况:
- 亚细胞空间 (SPS) 扩张是糖尿病病症中球功能障碍的早期指标.
- 传统的传输电子显微镜 (TEM) 用于SPS分析需要 perfused 组织.
- 以前的扫描电子显微镜 (SEM) 协议是有效的,但依赖于 perfusion 固定.
研究的目的:
- 开发一个快速的SEM协议,用于SPS分析非 perfused脏样本.
- 在临床前模型和人体活检中验证新的SEM协议的准确性.
- 为了在临床相关环境中实现可靠的SPS超结构分析.
主要方法:
- 开发了一种使用二次电子检测用于非透样本的快速SEM协议.
- 在健康小鼠和糖尿病小鼠中对 perfused 和 non-perfused 脏进行了相对 SEM 分析.
- 将该协议应用于对照组和糖尿病患者的人类脏活检.
主要成果:
- 快速的SEM协议准确地评估了SPS形态和量化在非透的小鼠脏.
- 该方法在 perfused 和 non-perfused 样本之间显示出一致的结果.
- 对人类活检的成功应用使得可靠的SPS评估能够在整个球体横截面上进行.
结论:
- 优化的SEM协议是一个可靠和多功能工具,用于在非透的临床前模型中进行SPS分析.
- 这种方法将SPS超结构分析扩展到人类细胞活检,包括那些未经 perfusion 接受的人.
- 该协议在临床背景下增强了糖尿病病中细胞损伤的研究.
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