Molecular mechanisms governing circulating immune cell heterogeneity across different species revealed by single-cell sequencing

Zhibin Li, Chengcheng Sun, Fei Wang, Xiran Wang, Jiacheng Zhu, Lihua Luo, Xiangning Ding, Yanan Zhang, Peiwen Ding, Haoyu Wang, Mingyi Pu, Yuejiao Li, Shiyou Wang, Qiuyu Qin, Yanan Wei, Jian Sun, Xiangdong Wang*, Yonglun Luo*, Dongsheng Chen*, Wei Qiu*

*Corresponding author af dette arbejde

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Abstract

BACKGROUND: Immune cells play important roles in mediating immune response and host defense against invading pathogens. However, insights into the molecular mechanisms governing circulating immune cell diversity among multiple species are limited.

METHODS: In this study, we compared the single-cell transcriptomes of immune cells from 12 species. Distinct molecular profiles were characterized for different immune cell types, including T cells, B cells, natural killer cells, monocytes, and dendritic cells.

RESULTS: Our data revealed the heterogeneity and compositions of circulating immune cells among 12 different species. Additionally, we explored the conserved and divergent cellular crosstalks and genetic regulatory networks among vertebrate immune cells. Notably, the ligand and receptor pair VIM-CD44 was highly conserved among the immune cells.

CONCLUSIONS: This study is the first to provide a comprehensive analysis of the cross-species single-cell transcriptome atlas for peripheral blood mononuclear cells (PBMCs). This research should advance our understanding of the cellular taxonomy and fundamental functions of PBMCs, with important implications in evolutionary biology, developmental biology, and immune system disorders.

OriginalsprogEngelsk
Artikelnummere689
TidsskriftClinical and Translational Medicine
Vol/bind12
Nummer1
Antal sider16
ISSN2001-1326
DOI
StatusUdgivet - jan. 2022

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