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从人类的亲遗传干细胞中生成布拉斯体

Ke Zhong^1,2, Yu-Xin Luo^2,3, Dan Li⁴

¹Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou 510150, China.

|January 28, 2025

概括

研究人员从人类的胚胎干细胞中制造了帕氏基因 Blastoid. 这些体模仿人类早期发育,有助于对基因组印记和父母起源效应的研究.

科学领域:

发展生物学发展生物学
干细胞研究干细胞研究
基因组印记是一种基因组印记.

背景情况:

亲遗传胚胎缺乏父亲的基因组印记,影响了发育.
人类亲遗传胚胎干细胞 (hPg-ESCs) 是研究基因组印记的宝贵工具.
由于缺陷和道德考虑,在了解胚胎发育的部分遗传学方面仍然存在差距.

研究的目的:

从hPg-ESCs中生成和表征帕氏基因 Blastoid.
为了比较帕氏基因 Blastoids 与双亲 Blastoids 的发育洞察力.
为了研究基因组印记和X染色体无活化在parthenogenetic发展.

主要方法:

从hPg-ESC衍生的扩展多能干干细胞 (hPg-EPSCs) 中生成伴生性芽细胞 (hPg-EPSCs芽细胞).
采用了先前建立的两步诱导协议.
形态学,标记物表达和单细胞转录组分析 (RNA-seq).

主要成果:

成功生成了hPg-EPSCs 布拉斯泰体,其关键细胞系与人类双亲布拉斯泰体 (hBp-EPSCs 布拉斯泰体) 相似.
单细胞RNA-seq揭示了印记和X染色体失活基因表达的相似性和差异.
证实了关键细胞系在帕氏基因 Blastoids 的存在.

结论:

从hPg-ESCs中生成的功能性基因 Blastoid.
这些体为研究人类胚胎发育过程中的基因组印记提供了一种新型模型.
在人类发育和疾病机制中发现父母起源偏见的潜力.

关键词:

一个X染色体是X染色体.炸弹和炸弹是什么?惠普公司 (HEPSCs)人类伴生遗传ESCs 印记的基因印记的基因

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