NDLI: Comprehensive Analysis of Clinical Significance, Immune Infiltration and Biological Role of m6A Regulators in Early-Stage Lung Adenocarcinoma

Content Provider	Directory of Open Access Journals (DOAJ)
Author	Bolun Zhou Shugeng Gao
Abstract	Recent publications have revealed that N6-methyladenosine (m6A) modification is critically involved in tumorigenesis and metastasis. However, the correlation of m6A modification and immune infiltration in early-stage lung adenocarcinoma (LUAD) is still uncertain. We performed NMF clustering based on 23 m6A regulators and identify three distinct m6A clusters and three m6A related genes clusters (m6A cluster-R) in early-stage LUAD. The immune infiltrating levels were calculated using CIBERSORT, MCPcounter and ssGSEA algorithms. And we established the m6A-predictive score to quantify m6A modified phenotypes and predict immunotherapeutic responses. Based on the TME characteristics, different immune profiles were also identified among three m6A gene-related clusters. And the m6A-R-C2 was related to a favorable overall survival (OS), whereas m6A-R-C3 had unfavorable overall survival. The m6A-predictive score was built according to the expression levels of m6A-related genes, and patients could be stratified into subgroups with low/high scores. Patients with high scores had poor overall survival, enhanced immune infiltration, high tumor mutation burden and increased level of somatic mutation. Besides, patients with high scores had unfavorable overall survival in the anti-PD-1 cohort, whereas the overall survival of high-score patients was better in the adoptive T cell therapy cohort. Our work highlights that m6A modification is closely related to immune infiltration in early-stage LUAD, which also contributes to the development of more effective immunotherapy strategies.
e-ISSN	16643224
DOI	10.3389/fimmu.2021.698236
Journal	Frontiers in Immunology
Volume Number	12
Language	English
Publisher	Frontiers Media S.A.
Publisher Date	2021-09-01
Publisher Place	Switzerland
Access Restriction	Open
Subject Keyword	Immunologic Diseases. Allergy M6a (n6-methyladenosine) Lung Adenocarcinoma Tumor Microenvironment Immune Infiltration Immunotherapy
Content Type	Text
Resource Type	Article

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