Integrating Bulk and Single-Cell Sequencing Data to Construct a Scissor+ Dendritic Cells Prognostic Model for Predicting Prognosis and Immune Responses in ESCC.

Maosheng Cheng, Jianqi Xiong,Qianwen Liu,Caihua Zhang,Kang Li, Xinyuan Wang,Shuang Chen

Cancer Immunology Immunotherapy（2024）

The First Affiliated Hospital of Sun Yat-Sen University | Sun Yat-Sen University Cancer Center | Sun Yat-Sen University

Cited 3|Views37

Abstract

Esophageal squamous cell carcinoma (ESCC) is characterized by molecular heterogeneity with various immune cell infiltration patterns, which have been associated with therapeutic sensitivity and resistance. In particular, dendritic cells (DCs) are recently discovered to be associated with prognosis and survival in cancer. However, how DCs differ among ESCC patients has not been fully comprehended. Recently, the advance of single-cell RNA sequencing (scRNA-seq) enables us to profile the cell types, states, and lineages in the heterogeneous ESCC tissues. Here, we dissect the ESCC tumor microenvironment at high resolution by integrating 192,078 single cells from 60 patients, including 4379 DCs. We then used Scissor, a method that identifies cell subpopulations from single-cell data that are associated bulk samples with genomic and clinical information, to stratify DCs into Scissorhi and Scissorlow subtypes. We applied the Scissorhi gene signature to stratify ESCC scRNAseq patient, and we found that PD-L1, TIGIT, PVR and IL6 ligand-receptor-mediated cell interactions existed mainly in Scissorhi patients. Finally, based on the Scissor results, we successfully developed a validated prognostic risk model for ESCC and further validated the reliability of the risk prediction model by recruiting 40 ESCC clinical patients. This information highlights the importance of these genes in assessing patient prognosis and may help in the development of targeted or personalized therapies for ESCC.

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Key words

ESCC,DC,SCISSOR

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