Molecular mechanisms underlying cell-fate specification and cellular diversity of the trophoblast lineage during placental morphogenesis in mice

Jian-Qi Wang; Change Mu; Yang Sun; Jin-Hua Lu; Hai-Bin Wang

doi:10.4103/2096-2924.334381

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Year : 2021 \| Volume : 5 \| Issue : 4 \| Page : 220-236

Molecular mechanisms underlying cell-fate specification and cellular diversity of the trophoblast lineage during placental morphogenesis in mice Jian-Qi Wang¹, Change Mu¹, Yang Sun², Jin-Hua Lu³, Hai-Bin Wang³ ¹ Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian 361003, China ² Fujian Provincial Key Laboratory of Reproductive Health Research, School of Medicine, Xiamen University, Xiamen, Fujian 361102, China ³ Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian 361003, China; Fujian Provincial Key Laboratory of Reproductive Health Research, School of Medicine, Xiamen University, Xiamen, Fujian 361102, China Correspondence Address: Hai-Bin Wang Chengyi building, School of Medicine, Xiamen University, Xiang'an South Road, Xiang'an District, Xiamen, Fujian 361003 China Jin-Hua Lu Chengyi building, School of Medicine, Xiamen University, Xiang'an South Road, Xiang'an District, Xiamen, Fujian 361102 China Source of Support: None, Conflict of Interest: None DOI: 10.4103/2096-2924.334381

Placental morphogenesis is a highly dynamic process involving mutual recognition and interlacing between the trophoblast–uterus and ultimately the initiation of the maternal–fetal circulatory system. During placental morphogenesis in mice, the trophoblast lineage, which integrates maternal and fetal signaling, undergoes stage-specific changes in gene regulatory programs directing cellular proliferation and fate specification, generating diverse trophoblast subtypes. While accumulating evidence from studies on genetically engineered and mutant mice has revealed the involvement of cell-specific core transcription factors in certain key events during placental morphogenesis, the precise molecular mechanisms by which multipotent trophoblasts gradually differentiate into different subtypes are still largely unknown. In this review, we primarily focus on mutant mouse models with placental phenotypes to provide a comprehensive understanding of the molecular mechanisms underlying cell-fate specification and cellular diversity of the trophoblast lineage during the placental morphogenesis.



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Differentiation; Morphogenesis; Multipotency; Placenta; Trophoblast

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