Article (Scientific journals)
Resolving the difference between left-sided and right-sided colorectal cancer by single-cell sequencing.
Guo, Wei; Zhang, Cuiyu; Wang, Xia et al.
2022In JCI Insight, 7 (1)
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Keywords :
Cancer; Gastroenterology; Humans; RNA-Seq/methods; Single-Cell Analysis/methods; Transcriptome/genetics; Colorectal Neoplasms/classification; Colorectal Neoplasms/genetics; Colorectal Neoplasms/metabolism; Colorectal Neoplasms/pathology; Colorectal Neoplasms; RNA-Seq; Single-Cell Analysis; Transcriptome; Medicine (all); General Medicine
Abstract :
[en] Colorectal cancers (CRCs) exhibit differences in incidence, pathogenesis, molecular pathways, and outcome depending on the location of the tumor. The transcriptomes of 27,927 single human CRC cells from 3 left-sided and 3 right-sided CRC patients were profiled by single-cell RNA-Seq (scRNA-Seq). Right-sided CRC harbors a significant proportion of exhausted CD8+ T cells of a highly migratory nature. One cluster of cells from left-sided CRC exhibiting states preceding exhaustion and a high ratio of preexhausted/exhausted T cells were favorable prognostic markers. Notably, we identified a potentially novel RBP4+NTS+ subpopulation of cancer cells that exclusively expands in left-sided CRC. Tregs from left-sided CRC showed higher levels of immunotherapy-related genes than those from right-sided CRC, indicating that left-sided CRC may have increased responsiveness to immunotherapy. Antibody-dependent cellular phagocytosis (ADCP) and antibody-dependent cellular cytotoxicity (ADCC) induced by M2-like macrophages were more pronounced in left-sided CRC and correlated with a good prognosis in CRC.
Disciplines :
Gastroenterology & hepatology
Author, co-author :
Guo, Wei;  Department of Colorectal Surgery, Shandong University Qilu Hospital, Jinan, Shandong, China
Zhang, Cuiyu;  Department of Physiology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
Wang, Xia;  Department of Physiology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
Dou, Dandan;  Department of Physiology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
Chen, Dawei  ;  Université de Liège - ULiège > GIGA
Li, Jingxin ;  Department of Physiology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
Language :
English
Title :
Resolving the difference between left-sided and right-sided colorectal cancer by single-cell sequencing.
Publication date :
2022
Journal title :
JCI Insight
eISSN :
2379-3708
Publisher :
American Society for Clinical Investigation, United States
Volume :
7
Issue :
1
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
NSCF - National Natural Science Foundation of China [CN]
Funding text :
This work was supported by the National Natural Science Foundation of China (82000779, 31971061) and Taishan Pandeng Scholar Program of Shandong Province (tspd20210321).
Available on ORBi :
since 10 May 2022

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