解剖学报 ›› 2019, Vol. 50 ›› Issue (5): 698-702.doi: 10.16098/j.issn.0529-1356.2019.05.026

• 综述 • 上一篇    下一篇

小鼠胚胎早期血细胞发生的研究进展

刘东华1 何曦2 裴一岩3 梁雨森3 李凌衡2* 刘慧雯1*   

  1. 1.哈尔滨医科大学组织学与胚胎学教研室,哈尔滨 150081; 2.Stowers医学研究院,美国密苏里州 堪萨斯 64110; 3. 哈尔滨医科大学基础医学院,哈尔滨 150081
  • 收稿日期:2018-07-24 修回日期:2018-09-28 出版日期:2019-10-06 发布日期:2019-12-10
  • 通讯作者: 李凌衡;刘慧雯 E-mail:liuhw_11@yahoo.com
  • 基金资助:
    黑龙江省自然科学基金面上项目;黑龙江省卫生计生委科研课题;国家自然科学基金面上项目

Advances in the study of the murine hematopoiesis during the early stage of embryogenesis

LIU Dong-hua1 HE Xi2 PEI Yi-yan3 LIANG Yu-sen3 LI Ling-heng 2* LIU Hui-wen 1   

  1. 1.Department of Histology and Embryology, Harbin Medical University, Harbin 150081,China; 2.Stowers Institute for Medical Research,KC MO 64110 USA; 3.College of Basic Medicine, Harbin Medical University,Harbin 150081,China
  • Received:2018-07-24 Revised:2018-09-28 Online:2019-10-06 Published:2019-12-10
  • Contact: LI Ling-heng;LIU Hui-wen E-mail:liuhw_11@yahoo.com
  • Supported by:
    General project of natural science foundation in Heilongjiang province;Scientific project foundation of Heilongjiang province health and family planing commission;Natural science foundation of China for general project

摘要:

根据时空上的不同,小鼠胚胎发育时期的血细胞发生目前被分为原始造血、红系/髓系祖细胞(EMPs)的产生和造血干细胞(HSCs)成熟并分化为各种血细胞3个阶段。最新的观点也把原始造血和EMPs的产生归结为非HSCs依赖性的血细胞谱系分化阶段,将第3阶段称为HSCs依赖性的血细胞谱系分化阶段。尽管胚胎时期的血细胞发生涉及多个造血器官,但本文中我们主要对近年在细胞和分子水平进行的造血细胞和HSCs在卵黄囊和腹主动脉-性腺-中肾(AGM)区发育的研究进行归纳总结,以此展示新近发现的胚胎发育早期血细胞发生的特点及其潜在机制。

关键词: 血细胞发生, 造血干细胞, 卵黄囊, 腹主动脉-性腺-中肾区, 小鼠胚胎

Abstract:

The development of the murine embryonic hematopoietic system occurs in spatially and temporally distinct waves, which it is described as three waves so far-primitive hematopoiesis, bipotential erythroid-myeloid progenitors (EMPs) generation and long-lived transplantable hematopoietic stem cells (HSCs) maturation from their precursors and differentiation toward all the adult lineages. The latest point is that HSC-independent hematopoietic lineages are produced in the primitive wave and definitive progenitor wave in the early mammalian embryo, such as primitive erythrocytes or EMPs. The HSC-dependent phase of hematopoietic development produces all the adult lineages derived from HSCs. In this review, the recent studies on the development of hematopoietic cells and HSCs in the yolk sac and aorta-gonad-mesonephron region (AGM) region at cellular and molecular level will be summarized to provide an integrated model of developmental hematopoiesis, although multiple hematopoietic sites are involved in ebryonic hematopoiesis. It may offer new insights into the characteristics and its underlying mechanism of hematopoiesis at the early stage of embryogenesis.

Key words: Hematopoiesis, Hematopoietic stem cell, Yolk sac, Aorta-gonad-mesonephron region, Mouse embryo