Family single-cell atlases reveal pig pregnancy and fetal growth restriction critical cell types

Although massive cell atlases are already available, it is still a challenge to obtain an atlas of all tissues within a single body, especially in fetuses and pregnant mothers. We present a transcriptomic atlas of 2.56 million single cells covering 115 and 119 tissues from one fetal pig and its pregnant mother, respectively. We found that a cluster of heart capillary endothelial cells with enhanced fatty acid transit capability was enriched for pregnancy but restored after gestation. We also deciphered that l-leucine transport insufficiency in the trophoblast causes fetal growth restriction by reducing a muscle type II myofiber subcluster. Our "all-from-one" strategy enabled the identification of tissue cell type-specific transcription factors and provided insights into pregnancy heart adaptation and fetal growth restriction.

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Journal
Science
Published
2026-03-26
DOI
https://doi.org/10.1126/science.adu7265
Primary Topic
Single-cell and spatial transcriptomics
Type
article
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article

Family single-cell atlases reveal pig pregnancy and fetal growth restriction critical cell types

Yaxiang Wang, Chuanmin Qiao, Jun Yang, Zifeng Liu et al.
Science
Single-cell and spatial transcriptomics
article

Family single-cell atlases reveal pig pregnancy and fetal growth restriction critical cell types

Yaxiang Wang, Chuanmin Qiao, Jun Yang, Zifeng Liu, Ziqi Ling, Haoyun Jiang, Chao Wei, Shuqi Xiong, Cong Huang, Jianjun Li, Xiao Sun, Chenyu Li, D.-Q. Cui, C. Y. Chen, Yunyan Zhou, Zuoquan Chen, Xinke Xie, Weiwei Zhou, Shuai Lin, Qiqi Jing, Yu Ye, Lusheng Huang, Qiang Yang, M. H. Liu, Siguang Li, Jianzhen Huang, Hao Fu, Yiwen Xiahou, Jing Li, Qing Zhang, Weiwei Liu, Li Li, Zhe Chen, Chuangang Yu, Jinyuan Wu, S Samuel Yang, Liqing Chen, Siyi Liu, Lei Xie, Jianchao Hu, Mengqing Zhou, Hui Jiang, Fusheng Wu, Mei Ge, Min Yan, Xi Tang, Jingquan Li, Lin Wu, Zhang Hu, Yaya Liao, Yujie Shu, Yü Huang, Naixiang Yu, Xianhua Xie, Huanfa Gong, Guanyue Wei, Xiaoyun Chen, Yingchun Sun, Min Zheng, Yuxin Liu, Xiaofen Hu, Yanyuan Xiao, Tianxiong Yao, Huashui Ai, Jiahong Zhong, Xiaodong Liu, Chao Yin, Liping Cai, Yuyun Xing, Qingjie Zeng, Zhong Wang, Qin Liu, Tao Shen, Sha Liu, Zhou Zhang, Yong Hou, Bin Yang, Sanya Xiong, Feng Chen, Xiaolong Chang, Zhiwei Peng, Shijun Xiao, Jun Gao, Hui Yang, Fei Huang, Jiaqi Chen, Yuanmei Guo, Xiaoxiao Zou, Junwu Ma, Yang Wen, Tao Jiang, Ying Su, Biao Chen, Xinkai Tong, Zhimin Zhou, Lin Rao, Dong Chen, Zhiyan Zhang, Ruirong Liu
article en

Abstract

Although massive cell atlases are already available, it is still a challenge to obtain an atlas of all tissues within a single body, especially in fetuses and pregnant mothers. We present a transcriptomic atlas of 2.56 million single cells covering 115 and 119 tissues from one fetal pig and its pregnant mother, respectively. We found that a cluster of heart capillary endothelial cells with enhanced fatty acid transit capability was enriched for pregnancy but restored after gestation. We also deciphered that l-leucine transport insufficiency in the trophoblast causes fetal growth restriction by reducing a muscle type II myofiber subcluster. Our "all-from-one" strategy enabled the identification of tissue cell type-specific transcription factors and provided insights into pregnancy heart adaptation and fetal growth restriction.

ScienceVol. 391(6792)
Jiangxi Agricultural University (CN)
Good health and well-being
Openalex Percentile: Top 7%
Single-cell and spatial transcriptomics
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