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人类多能干细胞衍生体内皮细胞修复冠状腺缺血症

Mengda Li^1,2,3, Peiliang Wang^4,5,6, Si Tong Huo^1,2,3

¹Eye Center, Beijing Tsinghua Changgung Hospital, Beijing, 102218, China.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)

|December 20, 2023

概括

人类多能干细胞衍生的内皮细胞 (hPSC-ECs) 可以修复大鼠胆管缺血症. 这一发现为冠状腺缩提供了潜在的新疗法,这种疾病与与年龄相关的黄斑变性和其他眼睛疾病有关.

科学领域:

眼科医生眼科眼科
再生医学是一种再生医学.
血管生物学血管生物学

背景情况:

冠状腺缩是与年龄相关的黄斑变性 (AMD) 和病态近视的关键因素.
冠状腺内皮细胞 (CEC) 是冠状腺缩过程中丧失的主要细胞.
人类多能干细胞衍生的内皮细胞 (hPSC-ECs) 在取代丢失的CEC方面表现有前途.

研究的目的:

研究hPSC-ECs在修复胆管缺血的治疗潜力.
在动物模型中评估移植的hPSC-ECs的整合和生存.
评估hPSC-EC移植对视觉功能和胆道结构的影响.

主要方法:

从人类多能干细胞通过MESP1+中皮原生细胞生成hPSC-ECs.
单细胞RNA测序用于分析hPSC-ECs中的基因表达.
将hPSC-ECs移植到诱导胆管缺血症 (CI) 的老鼠的胆管上空.
移植后对状腺和视觉功能的组织学和功能性评估.

主要成果:

移植的hPSC-ECs表达了CECs特定的标记物,并集成到老鼠的胸腔血管系统中.
hPSC-EC在宿主组织中存活了至少90天.
移植导致冠状腺厚度增加和血管密度增加.
在CI大鼠中,EC移植显著改善了视觉功能.

结论:

在动物模型中,hPSC-ECs可以有效地修复胆管缺血.
这项研究表明hPSC-ECs作为治疗胆道缩的基于细胞疗法的潜力.
这些发现可能为AMD,病态近视和相关的眼部疾病的新疗法铺平道路.

关键词:

冠状腺缺血症冠状腺缺血它们是内皮细胞.人类多能干细胞干细胞缺血的修复缺血的修复船舶的再生船舶的再生

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