How a mammalian fertilized egg acquires totipotency and develops into a full-term offspring is a fundamental scientific question.Human embryonic development is difficult to study due to limited resources,technical cha...How a mammalian fertilized egg acquires totipotency and develops into a full-term offspring is a fundamental scientific question.Human embryonic development is difficult to study due to limited resources,technical challenges and ethics.Moreover,the precise regulatory mechanism underlying early human embryonic development remains unknown.In recent years,the emergence of stem cell-based embryo models(SCBEM)provides the opportunity to reconstitute pre-to post-implantation development in vitro.These models to some extent mimic the embryo morphologically and transcriptionally,and thus may be used to study key events in mammalian pre-and post-implantation development.Many groups have successfully generated SCBEM of the mouse and human.Here,we provide a comparative review of the mouse and human SCBEM,discuss the capability of these models to mimic natural embryos and give a perspective on their potential future applications.展开更多
基金supported by the National Science and Technology Major Project(2023ZD0405001)the National Natural Science Foundation of China(32460837 and 32060176)+3 种基金the Program for Young Talents of Science and Technology in Universities of Inner Mongolia Autonomous Region(NJYT23091)the National Key Research and Development Program of China(2022YFD1302202)the Program of“JIE BANG GUA SHUAI”of Inner Mongolia(2022JBGS0021)the Program of Higher-Level Talents of Inner Mongolia University(10000-21311201/058)。
文摘How a mammalian fertilized egg acquires totipotency and develops into a full-term offspring is a fundamental scientific question.Human embryonic development is difficult to study due to limited resources,technical challenges and ethics.Moreover,the precise regulatory mechanism underlying early human embryonic development remains unknown.In recent years,the emergence of stem cell-based embryo models(SCBEM)provides the opportunity to reconstitute pre-to post-implantation development in vitro.These models to some extent mimic the embryo morphologically and transcriptionally,and thus may be used to study key events in mammalian pre-and post-implantation development.Many groups have successfully generated SCBEM of the mouse and human.Here,we provide a comparative review of the mouse and human SCBEM,discuss the capability of these models to mimic natural embryos and give a perspective on their potential future applications.
