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Comprehensive characterization of early-onset lung cancer, in Chinese young adults

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机构: [1]Department of Thoracic Surgery, The Fourth Affiliated Hospital of China Medical University, Shenyang, China. [2]Key Laboratory of Bioresource Research and Development of Liaoning Province, College of Life and Health Sciences, Northeastern University, Shenyang, China. [3]Department of Thoracic Surgery, General Hospital of Northern Theater Command, Shenyang, China. [4]Department of Thoracic Surgery, Benxi Central Hospital, Benxi, China. [5]Department of Thoracic Surgery, Jiangsu Province Hospital, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China. [6]Department of Thoracic Surgery, Chinese PLA General Hospital, Beijing, China. [7]Department of Thoracic Surgery, China-Japan Union Hospital of Jilin University, Changchun, China. [8]Department of Thoracic Surgery, The Fourth Affiliated Hospital of Hebei Medical University, Shijiazhuang, China. [9]Department of Thoracic Surgery, Yanan Center Hospital, Yanan, China. [10]Department of Thoracic Surgery, Kunming Medical University First Affiliated Hospital, Kunming, China. [11]Department of Thoracic Surgery, The Second Hospital of Dalian Medical University, Dalian, China. [12]Department of Pathology, Shengjing Hospital of China Medical University, Shenyang, China. [13]Department of Pathology, The Fourth Affiliated Hospital of China Medical University, Shenyang, China. [14]Key Laboratory of Bioresource Research and Development of Liaoning Province, College of Life and Health Sciences, Northeastern University, Shenyang, China. [15]Department of Thoracic Surgery, The Fourth Affiliated Hospital of China Medical University, Shenyang, China.
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Early-onset lung cancer in young adults represents a less studied clinical entity with increasing incidence which still affects a large number of cancer patients. Here we perform a comprehensive analysis of early-onset lung cancer for the clinicopathological features, genomic alterations, gene expression, and immune landscape by establishing a cohort enrolling 421 non-small cell lung cancer (NSCLC) patients from ten medical centers in China. Comparative analysis reveals a distinct genomic alteration between younger and elder patients with NSCLC, with ERBB2 mutations and ALK-rearrangement strikingly more frequent in younger group. Transcriptome profiling indicates altered cellular metabolism and immune-related genes in tumors from younger patients. Immunological analysis reveals a decreased infiltration of immune cells (notably T cells) in tumors from younger patients. Cellular and mechanistic studies show that the prevalent ERBB2 mutants in cancer from younger patients can indeed drive tumorigenesis by elevating AKT signaling. Importantly, meta-analysis of clinical trials and our clinical practice further validate the promise of HER2-targeted therapy to treat early-onset NSCLC in East Asian patients. Our comprehensive and integrative analysis not only reveal multiple unrecognized characteristics of early-onset lung cancer, but also inform actionable therapeutics to manage this type of cancer.© 2025. The Author(s).

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大类 | 1 区 综合性期刊
小类 | 1 区 综合性期刊
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大类 | 1 区 综合性期刊
小类 | 1 区 综合性期刊
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Q1 MULTIDISCIPLINARY SCIENCES
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Q1 MULTIDISCIPLINARY SCIENCES

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第一作者机构: [1]Department of Thoracic Surgery, The Fourth Affiliated Hospital of China Medical University, Shenyang, China.
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