Spatiotemporal transcriptome atlas of human embryos after gastrulation
Pan, J.; Li, Y.; Lin, Z.; Lan, Q.; Chen, H.; Zhai, M.; Sui, S.; Zhang, G.; Cheng, Y.; Tang, Y.; Wang, Q.; Zhang, Y.; Ma, F.; Xu, Y.; Mao, Y.; Chen, Q.; Guan, Y.; Meng, N.; Lu, H.; Li, X.; Zheng, T.; Yao, X.; Qin, Q.; Jiang, B.; Ren, Y.; Luo, M.; Nacuo, J.; Jin, X.; Sheng, J.; Xu, C.; Liu, X.; Wu, Y.; Xu, C.; Zhao, L.; Yang, H.; Gao, Y.; Ding, G.; Xu, X.; Huang, H.
Show abstract
The spatial and temporal atlas of gene expression in the human embryo at early gestation is critical in understanding embryo development, organogenesis, and disease origins. We obtained the spatiotemporal transcriptome from 90 sagittal sections of 16 whole human embryos from 3 to 8 post-conception weeks by Stereo-seq with high resolution and ultra-large field, establishing the development trajectory/regulatory profiling of 49 organs. We uncovered the organ-specific regulons as potential lineage-determining factors and identified the new regulatory networks during heart and brain development. The atlas refines the key organs/cell types vulnerable to virus infection and genetic disorders, and, reveals the dynamics of allelic gene expression in specific organs at different stages. These results present the first comprehensive delineation of the spatiotemporal transcriptomic dynamics of human organogenesis. One Sentence SummaryThe spatiotemporal transcriptome atlas presents a comprehensive delineation of human embryogenesis after gastrulation.
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