Metabolic and Senescence Characteristics Associated with the Immune Microenvironment in Non-small Cell Lung Cancer: Insights from Single-cell RNA Sequencing

Overview

Journal Aging (Albany NY)

Specialty Geriatrics

Date 2023 Oct 27

PMID 37889543

Authors

Hongliang Liao

Zihao Wan

Yaqin Liang

Lin Kang

Renping Wan

Affiliations

Soon will be listed here.

Abstract

Non-small lung cancer (NSCLC) has been defined as a highly life-threatening heterogeneous disease, with high mortality and occurrence. Recent research has indicated that tumor-infiltrating lymphocytes play a key determinant role in cancer progression. Emerging single-cell RNA sequencing (also termed scRNA-seq) has been extensively applied to depict the baseline landscape of the cell composition and function phenotype in the tumor environment (TME). Herein, we dissected the cell types in NSCLC samples (including tissue and blood) and identified three types of cell marker genes including cancer cells, T cells, and macrophages by integrating two NSCLC-associated scRNA-seq datasets in GEO. Survival analysis indicated that 17 marker genes were related to tumor prognosis. Function annotation was used to scrutinize the molecular mechanism of these marker genes in different cells. Besides, we investigated the developmental trajectory and T cell receptor repertoire diversity of tumor-infiltrating T cells. Our analysis will help further understand the complexity of cell components and the heterogeneity of TME in NSCLC.

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