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Li Y, Chen D, Xu Y, Ding Q, Xu X, Li Y, Mi Y, Chen Y. Prognostic implications, genomic and immune characteristics of lung adenocarcinoma with lepidic growth pattern. J Clin Pathol 2024:jcp-2024-209603. [PMID: 39097406 DOI: 10.1136/jcp-2024-209603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Accepted: 07/17/2024] [Indexed: 08/05/2024]
Abstract
AIMS Conflicting data were provided regarding the prognostic impact and genomic features of lung adenocarcinoma (LUAD) with lepidic growth pattern (LP+A). Delineation of the genomic and immune characteristics of LP+A could provide deeper insights into its prognostic implications and treatment determination. METHODS We conducted a search of articles in PubMed, EMBASE and the Cochrane Library from inception to January 2024. A domestic cohort consisting of 52 LUAD samples was subjected to whole-exome sequencing as internal validation. Data from The Cancer Genomic Atlas and the Gene Expression Omnibus datasets were obtained to characterise the genomic and immune profiles of LP+A. Pooled HRs and rates were calculated. RESULTS The pooled results indicated that lepidic growth pattern was either predominant (0.35, 95% CI 0.22 to 0.56, p<0.01) or minor (HR 0.50, 95% CI 0.36 to 0.70, p<0.01) histological subtype was associated with favourable disease-free survival. Pooled gene mutation rates suggested higher EGFR mutation (0.55, 95% CI 0.46 to 0.64, p<0.01) and lower KRAS mutation (0.14, 95% CI 0.02 to 0.25, p=0.02) in lepidic-predominant LUAD. Lepidic-predominant LUAD had lower tumour mutation burden and pooled positive rate of PD-L1 expression compared with other subtypes. LP+A was characterised by abundance in resting CD4+memory T cells, monocytes and γδ T cells, as well as scarcity of cancer-associated fibroblasts. CONCLUSIONS LP+A was a unique histological subtype with a higher EGFR mutation rate, lower tumour mutation burden and immune checkpoint expression levels. Our findings suggested potential benefits from targeted therapy over immunotherapy in LP+A.
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Affiliation(s)
- Yue Li
- Department of Thoracic Surgery, Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Donglai Chen
- Department of Thoracic Surgery, Zhongshan Hospital Fudan University, Shanghai, Shanghai, China
| | - Yi Xu
- Department of Thoracic Surgery, Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Qifeng Ding
- Department of Thoracic Surgery, Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Xuejun Xu
- Department of Thoracic Surgery, Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Yongzhong Li
- Department of Thoracic Surgery, Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Yedong Mi
- Department of Thoracic Surgery, Jiangyin People's Hospital, Jiangyin, Jiangsu, China
| | - Yongbing Chen
- Department of Thoracic Surgery, Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
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Li J, Xiong S, He P, Liang P, Li C, Zhong R, Cai X, Xie Z, Liu J, Cheng B, Chen Z, Liang H, Lao S, Chen Z, Shi J, Li F, Feng Y, Huo Z, Deng H, Yu Z, Wang H, Zhan S, Xiang Y, Wang H, Zheng Y, Lin X, He J, Liang W. Spatial whole exome sequencing reveals the genetic features of highly-aggressive components in lung adenocarcinoma. Neoplasia 2024; 54:101013. [PMID: 38850835 PMCID: PMC11208950 DOI: 10.1016/j.neo.2024.101013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 05/22/2024] [Accepted: 05/29/2024] [Indexed: 06/10/2024]
Abstract
In invasive lung adenocarcinoma (LUAD), patients with micropapillary (MIP) or solid (SOL) components had a significantly poorer prognosis than those with only lepidic (LEP), acinar (ACI) or papillary (PAP) components. It is interesting to explore the genetic features of different histologic subtypes, especially the highly aggressive components. Based on a cohort of 5,933 patients, this study observed that in different tumor size groups, LUAD with MIP/SOL components showed a different prevalence, and patients with ALK alteration or TP53 mutations had a higher probability of developing MIP/SOL components. To control individual differences, this research used spatial whole-exome sequencing (WES) via laser-capture microdissection of five patients harboring these five coexistent components and identified genetic features among different histologic components of the same tumor. In tracing the evolution of components, we found that titin (TTN) mutation might serve as a crucial intratumor potential driver for MIP/SOL components, which was validated by a cohort of 146 LUAD patients undergoing bulk WES. Functional analysis revealed that TTN mutations enriched the complement and coagulation cascades, which correlated with the pathway of cell adhesion, migration, and proliferation. Collectively, the histologic subtypes of invasive LUAD were genetically different, and certain trunk genotypes might synergize with branching TTN mutation to develop highly aggressive components.
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Affiliation(s)
- Jianfu Li
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Shan Xiong
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Ping He
- Department of pathology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Peng Liang
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Caichen Li
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Ran Zhong
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Xiuyu Cai
- Department of General Internal Medicine, Sun Yat-sen University Cancer Centre, State Key Laboratory of Oncology in South China, Collaborative Innovation Centre for Cancer Medicine, Guangzhou, China
| | - Zhanhong Xie
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Disease, Guangzhou 510120, China
| | - Jun Liu
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Bo Cheng
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Zhuxing Chen
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Hengrui Liang
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Shen Lao
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Zisheng Chen
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Jiang Shi
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Feng Li
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Yi Feng
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Zhenyu Huo
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Hongsheng Deng
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Ziwen Yu
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Haixuan Wang
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Shuting Zhan
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Yang Xiang
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Huiting Wang
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Yongmin Zheng
- Department of pathology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Xiaodong Lin
- Department of pathology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China
| | - Jianxing He
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China; Southern Medical University, Guangzhou 510120, China.
| | - Wenhua Liang
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou 510120, China.
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Predicting EGFR gene mutation status in lung adenocarcinoma based on multifeature fusion. Biomed Signal Process Control 2023. [DOI: 10.1016/j.bspc.2023.104786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
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Alam MR, Seo KJ, Abdul-Ghafar J, Yim K, Lee SH, Jang HJ, Jung CK, Chong Y. Recent application of artificial intelligence on histopathologic image-based prediction of gene mutation in solid cancers. Brief Bioinform 2023; 24:bbad151. [PMID: 37114657 DOI: 10.1093/bib/bbad151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 03/24/2023] [Accepted: 03/24/2023] [Indexed: 04/29/2023] Open
Abstract
PURPOSE Evaluation of genetic mutations in cancers is important because distinct mutational profiles help determine individualized drug therapy. However, molecular analyses are not routinely performed in all cancers because they are expensive, time-consuming and not universally available. Artificial intelligence (AI) has shown the potential to determine a wide range of genetic mutations on histologic image analysis. Here, we assessed the status of mutation prediction AI models on histologic images by a systematic review. METHODS A literature search using the MEDLINE, Embase and Cochrane databases was conducted in August 2021. The articles were shortlisted by titles and abstracts. After a full-text review, publication trends, study characteristic analysis and comparison of performance metrics were performed. RESULTS Twenty-four studies were found mostly from developed countries, and their number is increasing. The major targets were gastrointestinal, genitourinary, gynecological, lung and head and neck cancers. Most studies used the Cancer Genome Atlas, with a few using an in-house dataset. The area under the curve of some of the cancer driver gene mutations in particular organs was satisfactory, such as 0.92 of BRAF in thyroid cancers and 0.79 of EGFR in lung cancers, whereas the average of all gene mutations was 0.64, which is still suboptimal. CONCLUSION AI has the potential to predict gene mutations on histologic images with appropriate caution. Further validation with larger datasets is still required before AI models can be used in clinical practice to predict gene mutations.
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Affiliation(s)
- Mohammad Rizwan Alam
- Department of Hospital Pathology, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Kyung Jin Seo
- Department of Hospital Pathology, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Jamshid Abdul-Ghafar
- Department of Hospital Pathology, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Kwangil Yim
- Department of Hospital Pathology, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Sung Hak Lee
- Department of Hospital Pathology, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Hyun-Jong Jang
- Catholic Big Data Integration Center, Department of Physiology, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Chan Kwon Jung
- Department of Hospital Pathology, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Yosep Chong
- Department of Hospital Pathology, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
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Tang R, Bi L, Xiang B, Ye L, Chen Y, Li G, Zhao G, Huang Y. [Advances in the Study of Invasive Non-mucinous Adenocarcinoma
with Different Pathological Subtypes]. ZHONGGUO FEI AI ZA ZHI = CHINESE JOURNAL OF LUNG CANCER 2023; 26:22-30. [PMID: 36792077 PMCID: PMC9987059 DOI: 10.3779/j.issn.1009-3419.2022.102.51] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
Lung cancer is the leading cause of cancer death in the world today, and adenocarcinoma is the most common histopathological type of lung cancer. In May 2021, World Health Organization (WHO) released the 5th edition of the WHO classification of thoracic tumors, which classifies invasive non-mucinous adenocarcinoma (INMA) into lepidic adenocarcinoma, acinar adenocarcinoma, papillary adenocarcinoma, solid adenocarcinoma, and micropapillary adenocarcinoma based on its histological characteristics. These five pathological subtypes differ in clinical features, treatment and prognosis. A complete understanding of the characteristics of these subtypes is essential for the clinical diagnosis, treatment options, and prognosis predictions of patients with lung adenocarcinoma, including recurrence and progression. This article will review the grading system, morphology, imaging prediction, lymph node metastasis, surgery, chemotherapy, targeted therapy and immunotherapy of different pathological subtypes of INMA.
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Affiliation(s)
- Ruke Tang
- Department of Thoracic Surgery I, Third Affiliated Hospital of Kunming Medical University, Kunming 650118, China
| | - Lina Bi
- Department of Nephrology, First Affiliated Hospital of Kunming Medical University, Kunming 650032, China
| | - Bingquan Xiang
- Department of Intensive Care Unit, Third Affiliated Hospital of Kunming Medical University, Kunming 650118, China
| | - Lianhua Ye
- Department of Thoracic Surgery I, Third Affiliated Hospital of Kunming Medical University, Kunming 650118, China
| | - Ying Chen
- Department of Thoracic Surgery I, Third Affiliated Hospital of Kunming Medical University, Kunming 650118, China
| | - Guangjian Li
- Department of Thoracic Surgery I, Third Affiliated Hospital of Kunming Medical University, Kunming 650118, China
| | - Guangqiang Zhao
- Department of Thoracic Surgery I, Third Affiliated Hospital of Kunming Medical University, Kunming 650118, China
| | - Yunchao Huang
- Department of Thoracic Surgery I, Third Affiliated Hospital of Kunming Medical University, Kunming 650118, China
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Abstract
This overview of the molecular pathology of lung cancer includes a review of the most salient molecular alterations of the genome, transcriptome, and the epigenome. The insights provided by the growing use of next-generation sequencing (NGS) in lung cancer will be discussed, and interrelated concepts such as intertumor heterogeneity, intratumor heterogeneity, tumor mutational burden, and the advent of liquid biopsy will be explored. Moreover, this work describes how the evolving field of molecular pathology refines the understanding of different histologic phenotypes of non-small-cell lung cancer (NSCLC) and the underlying biology of small-cell lung cancer. This review will provide an appreciation for how ongoing scientific findings and technologic advances in molecular pathology are crucial for development of biomarkers, therapeutic agents, clinical trials, and ultimately improved patient care.
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Affiliation(s)
- James J Saller
- Departments of Pathology and Thoracic Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida 33612, USA
| | - Theresa A Boyle
- Departments of Pathology and Thoracic Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida 33612, USA
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7
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Nguyen TT, Lee HS, Burt BM, Wu J, Zhang J, Amos CI, Cheng C. A lepidic gene signature predicts patient prognosis and sensitivity to immunotherapy in lung adenocarcinoma. Genome Med 2022; 14:5. [PMID: 35016696 PMCID: PMC8753834 DOI: 10.1186/s13073-021-01010-w] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 11/24/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Lung adenocarcinoma, the most common type of lung cancer, has a high level of morphologic heterogeneity and is composed of tumor cells of multiple histological subtypes. It has been reported that immune cell infiltration significantly impacts clinical outcomes of patients with lung adenocarcinoma. However, it is unclear whether histologic subtyping can reflect the tumor immune microenvironment, and whether histologic subtyping can be applied for therapeutic stratification of the current standard of care. METHODS We inferred immune cell infiltration levels using a histological subtype-specific gene expression dataset. From differential gene expression analysis between different histological subtypes, we developed two gene signatures to computationally determine the relative abundance of lepidic and solid components (denoted as the L-score and S-score, respectively) in lung adenocarcinoma samples. These signatures enabled us to investigate the relationship between histological composition and clinical outcomes in lung adenocarcinoma using previously published datasets. RESULTS We found dramatic immunological differences among histological subtypes. Differential gene expression analysis showed that the lepidic and solid subtypes could be differentiated based on their gene expression patterns while the other subtypes shared similar gene expression patterns. Our results indicated that higher L-scores were associated with prolonged survival, and higher S-scores were associated with shortened survival. L-scores and S-scores were also correlated with global genomic features such as tumor mutation burdens and driver genomic events. Interestingly, we observed significantly decreased L-scores and increased S-scores in lung adenocarcinoma samples with EGFR gene amplification but not in samples with EGFR gene mutations. In lung cancer cell lines, we observed significant correlations between L-scores and cell sensitivity to a number of targeted drugs including EGFR inhibitors. Moreover, lung cancer patients with higher L-scores were more likely to benefit from immune checkpoint blockade therapy. CONCLUSIONS Our findings provided further insights into evaluating histology composition in lung adenocarcinoma. The established signatures reflected that lepidic and solid subtypes in lung adenocarcinoma would be associated with prognosis, genomic features, and responses to targeted therapy and immunotherapy. The signatures therefore suggested potential clinical translation in predicting patient survival and treatment responses. In addition, our framework can be applied to other types of cancer with heterogeneous histological subtypes.
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Affiliation(s)
- Thinh T Nguyen
- Institute for Clinical and Translational Research, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Hyun-Sung Lee
- Division of General Thoracic Surgery, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Bryan M Burt
- Division of General Thoracic Surgery, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Jia Wu
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
- Department of Imaging Physics, Division of Diagnostic Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Jianjun Zhang
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Christopher I Amos
- Institute for Clinical and Translational Research, Baylor College of Medicine, Houston, TX, 77030, USA.
- Department of Medicine, Baylor College of Medicine, Houston, TX, 77030, USA.
- Dan L Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, TX, 77030, USA.
| | - Chao Cheng
- Institute for Clinical and Translational Research, Baylor College of Medicine, Houston, TX, 77030, USA.
- Department of Medicine, Baylor College of Medicine, Houston, TX, 77030, USA.
- Dan L Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, TX, 77030, USA.
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Liu L, Xiong X. Clinicopathologic Features and Molecular Biomarkers as Predictors of Epidermal Growth Factor Receptor Gene Mutation in Non-Small Cell Lung Cancer Patients. Curr Oncol 2021; 29:77-93. [PMID: 35049681 PMCID: PMC8774362 DOI: 10.3390/curroncol29010007] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/14/2021] [Accepted: 12/21/2021] [Indexed: 12/24/2022] Open
Abstract
Lung cancer ranks first in the incidence and mortality of cancer in the world, of which more than 80% are non-small cell lung cancer (NSCLC). The majority of NSCLC patients are in stage IIIB~IV when they are admitted to hospital and have no opportunity for surgery. Compared with traditional chemotherapy, specific targeted therapy has a higher selectivity and fewer adverse reactions, providing a new treatment direction for advanced NSCLC patients. Tyrosine kinase inhibitors of epidermal growth factor receptor (EGFR-TKIs) are the widely used targeted therapy for NSCLC patients. Their efficacy and prognosis are closely related to the mutation status of the EGFR gene. Clinically, detecting EGFR gene mutation is often limited by difficulty obtaining tissue specimens, limited detecting technology, and economic conditions, so it is of great clinical significance to find indicators to predict EGFR gene mutation status. Clinicopathological characteristics, tumor markers, liquid biopsy, and other predictors are less invasive, economical, and easier to obtain. They can be monitored in real-time, which is supposed to predict EGFR mutation status and provide guidance for the accurate, individualized diagnosis and therapy of NSCLC patients. This article reviewed the correlation between the clinical indicators and EGFR gene mutation status in NSCLC patients.
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Nakra T, Singh V, Nambirajan A, Malik PS, Mohan A, Jain D. Correlation of TTF-1 immunoexpression and EGFR mutation spectrum in non-small cell lung carcinoma. J Pathol Transl Med 2021; 55:279-288. [PMID: 34233113 PMCID: PMC8353134 DOI: 10.4132/jptm.2021.05.10] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 05/10/2021] [Indexed: 01/18/2023] Open
Abstract
Background Thyroid transcription factor (TTF-1) is a diagnostic marker expressed in 75%–85% of primary lung adenocarcinomas (ACs). Activating mutations in the tyrosine kinase domain of the epidermal growth factor receptor (EGFR) gene is the most common targetable driver alteration in lung AC. Previous studies have shown a positive correlation between TTF-1 and EGFR mutation status. We aimed to determine the predictive value of TTF-1 immunoexpression for underlying EGFR mutation status in a large Indian cohort. Methods This retrospective designed study was conducted with medical record data from 2011 to 2020. All cases of primary lung AC and non–small cell lung carcinoma not otherwise specified (NSCLC, NOS) with known TTF-1 expression diagnosed by immunohistochemistry using 8G7G3/1 antibodies and EGFR mutation status diagnosed by quantitative polymerase chain reaction were retrieved, reviewed, and theresults were analyzed. Results Among 909 patient samples diagnosed as lung AC and NSCLC, NOS, TTF-1 was positive in 76.8% cases (698/909) and EGFR mutations were detected in 29.6% (269/909). A strong positive correlation was present between TTF-1 positivity and EGFR mutation status (odds ratio, 3.61; p < .001), with TTF-1 positivity showing high sensitivity (90%) and negative predictive value (87%) for EGFR mutation. TTF-1 immunoexpression did not show significant correlation with uncommon/dual EGFR mutations (odds ratio, 1.69; p = .098). EGFR–tyrosine kinase inhibitor therapy was significantly superior to chemotherapy among EGFR mutant cases irrespective of TTF-1 status; however, no significant differences among survival outcomes were observed. Conclusions Our study confirms a strong positive correlation between TTF-1 expression and common EGFR mutations (exon 19 deletion and exon 21 L858R) in advanced lung AC with significantly high negative predictive value of TTF-1 for EGFR mutations.
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Affiliation(s)
- Tripti Nakra
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Varsha Singh
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Aruna Nambirajan
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Prabhat Singh Malik
- Department of Medical Oncology, Dr B.R. Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
| | - Anant Mohan
- Department of Pulmonary Medicine and Sleep Disorders, All India Institute of Medical Sciences, New Delhi, India
| | - Deepali Jain
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
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Li Y, Tan Y, Hu S, Xie J, Yan Z, Zhang X, Zong Y, Han-Zhang H, Li Q, Li C. Targeted Sequencing Analysis of Predominant Histological Subtypes in Resected Stage I Invasive Lung Adenocarcinoma. J Cancer 2021; 12:3222-3229. [PMID: 33976731 PMCID: PMC8100815 DOI: 10.7150/jca.51405] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Accepted: 03/15/2021] [Indexed: 01/11/2023] Open
Abstract
Objective: Lung adenocarcinoma (LADC) is classified into five main histological subtypes with distinct clinicopathologic characteristics: lepidic-predominant adenocarcinoma (LPA), acinar-predominant adenocarcinoma (APA), papillary-predominant adenocarcinoma (PPA), micropapillary-predominant adenocarcinoma (MPA) and solid-predominant adenocarcinoma (SPA). However, the mutational profiles of predominant histological subtypes have not been well defined. In this study, we aimed to reveal the genomic landscape of 5 main histological subtypes. Patients and Methods: We performed next-generation sequencing (NGS) in a cohort of 86 stage I invasive adenocarcinoma (IAC) patients, using a customized panel including 168 cancer-associated genes. Results: Our analysis identified a total of 302 genomic alterations. Five subtypes showed different mutation profiles with LPA, APA, PPA, MPA and SPA had an average mutation rate of 1.95 (range: 0-5), 2.56 (range: 1-6), 3.5 (range: 1-7), 3.75 (range: 1-8) and 6.05 (range: 2-12), respectively (p=4.17e-06). Driver mutations occurred in 96.55% (83/86) of all patients. EGFR (73.3%), KRAS (9.3%), ALK (4.7%) and MET (4.7%) are the most commonly mutated lung cancer driver genes, TP53 is the top mutated tumor suppressor gene. SPA patients harbored more driver mutations and higher frequency of TP53 than LPA patients. Interestingly, LRP1B mutations, which has been reported to be associated with high tumor mutation burden and better response to immunotherapy, were only detected from 5 SPA patients (p=0.001). No patients from other four cohorts harbored LRP1B mutations. Conclusions: We revealed distinctive mutation landscape of the 5 major histological subtypes of LADC, evident by distinctive average mutation rate with SPA and LPA having the highest and lowest average mutation rate, respectively. SPA patients showed higher mutation rate of LRP1B and higher rates for PD-L1 positivity, indicating that SPA patients may have better response to immunotherapy.
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Affiliation(s)
- Yan Li
- Department of Respiratory Medicine, The Third Affiliated Hospital of Soochow University, 185 Juqian Road, Changzhou, China
- Department of Respiratory Medicine, The Affiliated Hospital of Xuzhou Medical University, 99 Huaihai Road, Xuzhou, China
| | - Yan Tan
- Department of Pathology, The Third Affiliated Hospital of Soochow University, 185 Juqian Road, Changzhou, China
| | - Song Hu
- Department of Respiratory Medicine, The Third Affiliated Hospital of Soochow University, 185 Juqian Road, Changzhou, China
| | - Jun Xie
- Department of Respiratory Medicine, The Third Affiliated Hospital of Soochow University, 185 Juqian Road, Changzhou, China
| | - Zhantao Yan
- Department of Pathology, The Third Affiliated Hospital of Soochow University, 185 Juqian Road, Changzhou, China
| | - Xian Zhang
- Department of Respiratory Medicine, The Third Affiliated Hospital of Soochow University, 185 Juqian Road, Changzhou, China
| | - Yun Zong
- Department of Respiratory Medicine, The Third Affiliated Hospital of Soochow University, 185 Juqian Road, Changzhou, China
| | - Han Han-Zhang
- Burning Rock Biotech, Guangzhou, Guangdong, 510300, China
| | - Qing Li
- Department of Pathology, The Third Affiliated Hospital of Soochow University, 185 Juqian Road, Changzhou, China
| | - Chong Li
- Department of Respiratory Medicine, The Third Affiliated Hospital of Soochow University, 185 Juqian Road, Changzhou, China
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11
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Osawa J, Shimada Y, Maehara S, Hagiwara M, Kakihana M, Kajiwara N, Ohira T, Matsubayashi J, Ikeda N. Clinical usefulness of the 3-tier classification according to the proportion of morphological patterns for patients with pathological stage I invasive lung adenocarcinoma. Gen Thorac Cardiovasc Surg 2021; 69:943-949. [PMID: 33385289 DOI: 10.1007/s11748-020-01559-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 11/19/2020] [Indexed: 10/22/2022]
Abstract
OBJECTIVES We classified pathological stage I invasive lung adenocarcinomas according to our 3-tier classification, which was based on the proportion of invasive morphological patterns as follows: (1) patients with each predominant subtype, (2) those with a minor histological subtype, even not the predominant subtype and (3) those without each invasive component. We aimed to evaluate the classification's clinical impact in survival, recurrence, malignant grade, and epidermal growth factor receptor (EGFR) mutational status. MATERIALS AND METHODS A total of 1,269 patients with p-stage I lung adenocarcinoma underwent curative surgical resection between January 2008 and December 2017. Of these, 620 patients (48.9%) met the inclusion criteria of this study. RESULTS Postoperative recurrence was observed in 81 patients (13.1%). Multivariate analysis showed that vascular invasion (hazard ratio, 2.61; p < 0.001) and p-stage IB (hazard ratio, 2.19; p = 0.001) were significantly associated with an unfavorable RFS, while the presence of acinar component (hazard ratio, 1.64; p = 0.052) or solid component (hazard ratio, 1.60; p = 0.074) were marginally significant. The presence of lepidic or papillary component and the absence of acinar or solid component significantly correlated with an increased proportion of lung adenocarcinomas harboring EGFR mutations. CONCLUSION In patients with p-stage I invasive lung adenocarcinoma, it is beneficial to use not only the predominant subtype but analyzing the extent of each histological component based on our classification to predict patient prognoses and form appropriate postoperative follow-up methods.
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Affiliation(s)
- Junichiro Osawa
- Department of Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Yoshihisa Shimada
- Department of Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan.
| | - Sachio Maehara
- Department of Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Masaru Hagiwara
- Department of Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Masatoshi Kakihana
- Department of Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Naohiro Kajiwara
- Department of Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Tatsuo Ohira
- Department of Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Jun Matsubayashi
- Department of Anatomic Pathology, Tokyo Medical University, Tokyo, Japan
| | - Norihiko Ikeda
- Department of Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
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12
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Song L, Zhu Z, Wu H, Han W, Cheng X, Li J, Du H, Lei J, Sui X, Song W, Jin ZY. Individualized nomogram for predicting ALK rearrangement status in lung adenocarcinoma patients. Eur Radiol 2020; 31:2034-2047. [PMID: 33146791 DOI: 10.1007/s00330-020-07331-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 08/02/2020] [Accepted: 09/21/2020] [Indexed: 12/25/2022]
Abstract
OBJECTIVES To develop a nomogram to identify anaplastic lymphoma kinase (ALK) mutations in lung adenocarcinoma patients using clinical, CT, PET/CT, and histopathological features. METHODS This retrospective study included 399 lung adenocarcinoma patients (129 ALK-rearranged patients and 270 ALK-negative patients) that were randomly divided into a training cohort and an internal validation cohort (4:1 ratio). Clinical factors, radiologist-defined CT features, maximum standard uptake values (SUVmax), and histopathological features were used to construct predictive models with stepwise backward-selection multivariate logistic regression (MLR). The models were then evaluated using the AUC. The integrated model was compared to the clinico-radiological model using the DeLong test to evaluate the role of histopathological features. An associated individualized nomogram was established. RESULTS The integrated model reached an AUC of 0.918 (95% CI, 0.886-0.950), sensitivity of 0.774, and specificity of 0.934 in the training cohort and an AUC of 0.857 (95% CI, 0.777-0.937), sensitivity of 0.739, and specificity of 0.810 in the validation cohort. The MLR analysis showed that younger age, never smoker, lymph node enlargement, the presence of cavity, high SUVmax, solid or micropapillary predominant histology subtype, and local invasiveness were strong and independent predictors of ALK rearrangements. The nomogram calculated the risk of harboring ALK mutation for lung adenocarcinoma patients and exhibited a good generalization ability. CONCLUSION Our study demonstrates that histopathological features added value to the imaging characteristics-based model. The nomogram with clinical, imaging, and histopathological features can serve as a supplementary non-invasive tool to evaluate the probability of ALK rearrangement in lung adenocarcinoma. KEY POINTS • The developed nomogram can accurately predict the probability of lung adenocarcinoma harboring ALK-fused gene. • Pathological analysis is important to predict ALK rearrangement in lung adenocarcinoma. • Lung adenocarcinoma with lepidic predominant growth pattern and TTF-1 negativity is unlikely to have ALK rearrangement.
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Affiliation(s)
- Lan Song
- Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Dongcheng District, Beijing, 100730, China
| | - Zhenchen Zhu
- Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Dongcheng District, Beijing, 100730, China.,4+4 MD Program, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
| | - Huanwen Wu
- Department of Pathology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
| | - Wei Han
- Department of Epidemiology and Biostatistics, Institute of Basic Medicine Sciences, Chinese Academy of Medical Sciences and School of Basic Medicine, Peking Union Medical College, Beijing, 100005, China
| | - Xin Cheng
- Department of Nuclear Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
| | - Ji Li
- Department of Pathology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
| | - Huayang Du
- Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Dongcheng District, Beijing, 100730, China
| | - Jing Lei
- Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Dongcheng District, Beijing, 100730, China
| | - Xin Sui
- Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Dongcheng District, Beijing, 100730, China
| | - Wei Song
- Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Dongcheng District, Beijing, 100730, China.
| | - Zheng-Yu Jin
- Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Dongcheng District, Beijing, 100730, China.
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13
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Pandey RK, Shukla S, Hadi R, Husain N, Islam MH, Singhal A, Tripathi SK, Garg R. Kirsten rat sarcoma virus protein overexpression in adenocarcinoma lung: Association with clinicopathological and histomorphological features. J Carcinog 2020; 19:9. [PMID: 33679239 PMCID: PMC7921778 DOI: 10.4103/jcar.jcar_11_20] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 05/26/2020] [Accepted: 06/17/2020] [Indexed: 11/04/2022] Open
Abstract
CONTEXT Lung cancer is the leading cause of cancer-related deaths worldwide. The constitutive activation of multiple signaling pathways is the major cause of carcinogenesis. AIMS The study evaluates the frequency of Kirsten rat sarcoma virus (KRAS) protein overexpression and correlates with clinicopathological and histomorphological features in non-small cell lung carcinoma (NSCLC)-adenocarcinoma. SETTINGS AND DESIGN Tertiary hospital-based retrospective and prospective case series included 100 cases of NSCLC-adenocarcinoma. MATERIALS AND METHODS The basic panel of Immunohistochemistry including Napsin-A, thyroid transcription factor-1 (TTF-1), and markers for squamous differentiation, p-40 was used in formalin-fixed paraffin-embedded tissue blocks. The KRAS monoclonal antibody (9.13, Thermo Fisher Scientific, USA) was used. STATISTICAL ANALYSIS USED The IBM-Statistical Package for the Social Sciences (SPSS) (SPSS, International Business Machines Corporation, New York, NY, USA) analysis software, version 16 was used for all statistical calculations. RESULTS KRAS protein expressed in 28.0% (28/100) cases. Cases were grouped as KRAS positive and negative. TTF-1 and Napsin-A were expressed in 89.25% (n = 25) and 92.86% (n = 26) cases, respectively. Stage IV clinical disease was identified in 55% of cases, and 36.84% of cases had a mean survival between 6 and 12 months. In KRAS positive group, the most common pattern of cellular arrangement was acinar/loose clusters pattern present in 64.29% (n = 21) and 75.0% (n = 18) cases followed by the solid pattern present in 42.86% of cases (n = 12), respectively. Necrosis was identified in 57.14% (n = 16) cases. Mucin pattern was present in 32.14% of cases (n = 9), which was significantly different when compared with the KRAS negative group (P = 0.036). CONCLUSIONS This finding may imply that KRAS mutations may not be entirely triggered by alterations induced by carcinogens in smoke. KRAS gene is frequently mutated in pulmonary tumors. It should be tested in NSCLC owing to its predictive and prognostic effects.
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Affiliation(s)
- Rahul Kumar Pandey
- Department of Pathology, Dr. Ram Manohar Lohia Institute of Medical Sciences, Lucknow, Uttar Pradesh, India.,Department of Biosciences, Integral University, Lucknow, Uttar Pradesh, India
| | - Saumya Shukla
- Department of Pathology, Dr. Ram Manohar Lohia Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Rahat Hadi
- Department of Radiation Oncology, Dr. Ram Manohar Lohia Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Nuzhat Husain
- Department of Pathology, Dr. Ram Manohar Lohia Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | | | - Ashish Singhal
- Department of Surgical Oncology, Dr. Ram Manohar Lohia Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Surya Kant Tripathi
- Department of Respiratory Medicine, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Rajiv Garg
- Department of Respiratory Medicine, King George's Medical University, Lucknow, Uttar Pradesh, India
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Phruttinarakorn B, Reungwetwattana T, Incharoen P. Association of histologic subtypes with genetic alteration and PD-L1 expression in pulmonary adenocarcinoma. Mol Clin Oncol 2020; 13:12. [PMID: 32754326 PMCID: PMC7391836 DOI: 10.3892/mco.2020.2082] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 06/11/2020] [Indexed: 12/20/2022] Open
Abstract
Genetic alteration and programmed death-ligand 1 (PD-L1) expression have been revealed to be associated with various subtypes of pulmonary adenocarcinoma (ADC). The present study aimed to explore the association between histological subtypes and genetic alterations and PD-L1 expression. A total of 375 cases of pulmonary ADC were included. Genetic alterations were determined using next generation sequencing (NGS) in 136 cases. PD-L1 expression was detected by immunohistochemistry (based on clone 22C3) in the remaining 239 cases. Mutations in the epidermal growth factor receptor gene (EGFR) were detected in 76 (55.8%) cases associated with the papillary subtype (P=0.038). Mutations in the Kirsten rat sarcoma viral oncogene homolog gene (KRAS) were present in 46 (33.8%) cases associated with the lepidic subtype (P<0.001) and mucinous ADC (P=0.037). PD-L1 expression was identified in 63 (26.4%) cases associated with the solid subtype (P<0.001). In conclusion, the present study demonstrated that EGFR and KRAS mutations, alongside PD-L1 protein expression are significantly associated with specific subtypes of pulmonary ADC. These results should aid our ability to accurately select appropriate areas of the heterogeneous tumor for molecular testing methods and to predict patient outcomes and prognosis.
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Affiliation(s)
- Bantita Phruttinarakorn
- Department of Pathology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
| | - Thanyanan Reungwetwattana
- Division of Medical Oncology, Department of Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
| | - Pimpin Incharoen
- Department of Pathology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
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15
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Liu Y, Ye X, Yu Y, Lu S. Prognostic significance of anaplastic lymphoma kinase rearrangement in patients with completely resected lung adenocarcinoma. J Thorac Dis 2019; 11:4258-4270. [PMID: 31737311 DOI: 10.21037/jtd.2019.09.65] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Background Reports of the prognostic significance of anaplastic lymphoma kinase (ALK) rearrangement in early stage lung adenocarcinoma have been contradictory. This study aimed to identify the associations of ALK rearrangement with clinicopathologic features and prognosis in patients with surgically resected stage I-IIIA lung adenocarcinoma. Methods Analysis of ALK status was performed by a fully-automated immunochemistry assay (with rabbit monoclonal Ventana D5F3 antibody) in tissue sections of 2,103 patients with surgically-resected stage I-IIIA lung adenocarcinoma. ALK positive patients were matched with negative patients in a 1:1 ratio using propensity score matching (PSM). Clinical outcomes were assessed by disease-free survival (DFS) and overall survival (OS) after surgery. Initial recurrence pattern was also investigated according to ALK status. Results Among 2,103 stage I-IIIA lung adenocarcinoma cases, 81 (3.9%) were ALK positive. ALK positivity was significantly associated with younger age (P<0.001), solid predominant adenocarcinoma (P<0.001), variants of invasive adenocarcinoma (P<0.001), higher frequency of pleura invasion (P=0.040), smaller tumor size (P=0.014), mediastinal lymph node involvement (N2; P<0.001) and later pathologic stage (IIIA; P=0.001). In the match cohort, ALK positivity was not associated with DFS [hazard ratio (HR), 0.58; 95% confidence interval (CI): 0.33-1.03, P=0.063] or OS (HR, 0.61; 95% CI: 0.22-1.67, P=0.334). Lymph node involvement (HR: 5.36, 95% CI, 3.01-9.65, P<0.001) and solid predominant adenocarcinoma subtype (HR, 2.02; 95% CI: 1.07-3.79; P=0.029) were the independent prognostic factors of inferior DFS, and lymph node involvement was the independent prognostic factors of worse OS (HR, 6.61; 95% CI: 2.43-17.94; P<0.001). ALK positive patients had a higher risk of developing tumor recurrence in liver (P=0.043). Conclusions ALK rearrangement was not an independent prognostic factor in stage I-IIIA lung adenocarcinoma patients but leaded to a higher risk of developing recurrence in liver.
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Affiliation(s)
- Yinglei Liu
- Shanghai Lung Cancer Center, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, China
| | - Xiangyun Ye
- Shanghai Lung Cancer Center, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, China
| | - Yongfeng Yu
- Shanghai Lung Cancer Center, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, China
| | - Shun Lu
- Shanghai Lung Cancer Center, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, China
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16
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Zhang R, Hu G, Qiu J, Wu H, Fu W, Feng Y, Zhang M, Chen C, Sun J, Zhang Y, Ren J. Clinical significance of the cribriform pattern in invasive adenocarcinoma of the lung. J Clin Pathol 2019; 72:682-688. [PMID: 31253654 DOI: 10.1136/jclinpath-2019-205883] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 05/30/2019] [Accepted: 06/07/2019] [Indexed: 12/24/2022]
Abstract
PURPOSE According to the WHO, the cribriform pattern is a subtype of acinar (Aci) predominance in invasive adenocarcinoma (ADC) of the lung. Recently, several studies have demonstrated poor prognosis in patients with cribriform predominance. This study was performed to examine the correlations of cribriform pattern with the clinicopathology, molecular features and prognosis in patients with invasive ADC. METHODS Histological subtypes were evaluated in 279 patients who underwent complete resection for invasive ADC. Patients of the Aci-predominant subtype were divided into two subgroups according to the percentage of cribriform cancer (≥5% vs <5%). Clinicopathological characteristics, overall survival (OS), disease-free survival (DFS) and molecular changes were compared. In addition, both OS and DFS were compared between patients with cribriform-predominant (n=33) and pure Aci-predominant (n=88) ADCs. RESULTS A cribriform pattern was found in 111 (39.8%) cases and ranged from 5 % to 100 % of the total tumour volume (mean±SEM, 30%±2%). Of 117 patients with Aci predominance, 79 showed the cribriform pattern, while the remaining 38 did not. The cribriform pattern was associated with aggressive pathological behaviour, including advanced stages of cancer, nuclear atypia, mitoses, lymph node invasion, metastasis and larger tumour size. The subgroup with cribriform cancer (≥5%) had significantly poorer OS and DFS compared with the cribriform-negative (<5%) group. In addition, Cox multivariate analyses revealed that the cribriform pattern was an independent predictor of OS but not DFS. Moreover, OS was significantly lower in the cribriform-predominant group than in the Aci-predominant group. CONCLUSION The cribriform pattern is associated with aggressive pathological behaviour and is an independent poor prognostic indicator in patients with Aci-predominant ADC of the lung.
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Affiliation(s)
- Ruizhen Zhang
- Department of Pathology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China.,Academy of Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Guiming Hu
- Department of Pathology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China.,Academy of Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Jinhuan Qiu
- Department of Pathology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China.,Department of Thoracic Surgery, The SecondAffiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Huifang Wu
- Department of Pathology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Wenjing Fu
- Department of Pathology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Yikun Feng
- Department of Pathology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Min Zhang
- Department of Pathology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Chen Chen
- Department of Pathology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Jianping Sun
- Department of Pathology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Yan Zhang
- Department of Pathology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Jingli Ren
- Department of Pathology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
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17
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Shang G, Jin Y, Zheng Q, Shen X, Yang M, Li Y, Zhang L. Histology and oncogenic driver alterations of lung adenocarcinoma in Chinese. Am J Cancer Res 2019; 9:1212-1223. [PMID: 31285953 PMCID: PMC6610061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Accepted: 05/21/2019] [Indexed: 06/09/2023] Open
Abstract
Little is known about association of mucin abundancy with oncogenic-driver alterations, immunohistochemical and clinicopathologic features in lung adenocarcinomas among Chinese. We here retrospectively examined the clinicopathologic and molecular characteristics of pulmonary mucin-producing adenocarcinoma (PMPA) and previously-reported non-mucinous lung adenocarcinomas collected at our institution. Among the 897 non-mucinous adenocarcinomas, 61 PMPA with ≤90% mucin and 39 PMPA with >90% mucin, ALK rearrangements were found in 47 (5.2%) non-mucinous adenocarcinomas, 9 (14.8%) PMPA with ≤90% mucin and 12 (30.8%) PMPA with >90% mucin, respectively, with an ordinal association (coefficient, 95% CI=0.11, 0.06 to 0.17). Similarly, KRAS mutations was found in 53 (5.9%) non-mucinous adenocarcinomas, 7 (11.5%) PMPA with ≤90% mucin and 14 (35.9%) PMPA with >90% mucin (coefficient, 95% CI=0.11, 0.05 to 0.16). However, mucinous abundancy was inversely, ordinally linked to the EGFR mutations (coefficient, 95% CI=-0.28, -0.33 to -0.22). Mucin abundancy seemed not associated with the alterations of HER2, BRAF, ROS1, MET and RET. We divided PMPA with >90% mucin into three histologic types, namely columnar mucinous cell with basal nuclei (type I, n=11), cuboidal cell with goblet cell feature (type II, n=16) and mucinous cribriform pattern (type III, n=12). These histologic subtypes were associated with alterations of ALK, KRAS and MET, and the immunohistochemical reactivity of MUC1, MUC2, MUC5ac, MUC6, TTF-1 and CK20, including high positive rate of MUC6 (90.9%) and CK20 (36.4%) in type I, MUC2 (50%) in type II and MUC1 (100%) in type III. In summary, mucin abundancy is associated with immunohistochemical and oncogenic-driver profiles of lung adenocarcinomas among Chinese.
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Affiliation(s)
- Guoguo Shang
- Department of Pathology, Fudan University Shanghai Cancer CenterShanghai, China
- Department of Oncology, Shanghai Medical College, Fudan UniversityShanghai, China
- Department of Pathology, Fudan University Zhongshan HospitalShanghai, China
| | - Yan Jin
- Department of Pathology, Fudan University Shanghai Cancer CenterShanghai, China
- Department of Oncology, Shanghai Medical College, Fudan UniversityShanghai, China
| | - Qiang Zheng
- Department of Pathology, Fudan University Shanghai Cancer CenterShanghai, China
- Department of Oncology, Shanghai Medical College, Fudan UniversityShanghai, China
| | - Xuxia Shen
- Department of Pathology, Fudan University Shanghai Cancer CenterShanghai, China
- Department of Oncology, Shanghai Medical College, Fudan UniversityShanghai, China
| | - Mu Yang
- Department of Pathology, Shanghai First People’s Hospital, Shanghai Jiaotong University School of MedicineShanghai, China
| | - Yuan Li
- Department of Pathology, Fudan University Shanghai Cancer CenterShanghai, China
- Department of Oncology, Shanghai Medical College, Fudan UniversityShanghai, China
| | - Lanjing Zhang
- Department of Biological Sciences, Rutgers UniversityNewark, NJ, USA
- Department of Pathology, Princeton Medical CenterPlainsboro, NJ, USA
- Rutgers Cancer Institute of New JerseyNew Brunswick, NJ, USA
- Department of Chemical Biology, Ernest Mario School of Pharmacy, Rutgers UniversityPiscataway, NJ, USA
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18
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Mori M, Hayashi H, Fukuda M, Honda S, Kitazaki T, Shigematsu K, Matsuyama N, Otsubo M, Nagayasu T, Hashisako M, Tabata K, Uetani M, Ashizawa K. Clinical and computed tomography characteristics of non-small cell lung cancer with ALK gene rearrangement: Comparison with EGFR mutation and ALK/EGFR-negative lung cancer. Thorac Cancer 2019; 10:872-879. [PMID: 30811109 PMCID: PMC6449252 DOI: 10.1111/1759-7714.13017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2019] [Revised: 01/24/2019] [Accepted: 01/25/2019] [Indexed: 01/12/2023] Open
Abstract
Background The study was conducted to evaluate the clinical and computed tomography (CT) findings of non‐small cell lung cancer (NSCLC) patients to distinguish between ALK gene rearrangement, EGFR mutation, and non‐ALK/EGFR (no genetic abnormalities). Methods We enrolled 201 patients with primary NSCLC who had undergone molecular testing for both ALK gene rearrangement and EGFR mutation. The clinical features and CT findings of the main lesion and associated pulmonary abnormalities were investigated. Results Female gender (P = 0.0043 vs. non‐ALK/EGFR), young age (P = 0.0156 vs. EGFR), and a light or never smoking history (P = 0.0039 vs. non‐ALK/EGFR) were significant clinical characteristics of NSCLC with ALK gene rearrangement. The significant CT characteristics compared to NSCLC with EGFR mutation were a large mass (P = 0.0155), solid mass (P = 0.0048), and no air bronchogram (P = 0.0148). A central location (P = 0.0322) and lymphadenopathy (P = 0.0353) were also more frequently observed. Coexisting emphysema was significantly less frequent in NSCLC patients with ALK gene rearrangement (P = 0.0135) than non‐ALK/EGFR. Conclusions NSCLC with ALK gene rearrangement was more likely to develop in younger women with a light or never smoking history. The characteristic CT findings of NSCLC with ALK gene rearrangement were a large solid mass, less air bronchogram, a central location, and lymphadenopathy.
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Affiliation(s)
- Mio Mori
- Department of Clinical Oncology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Hideyuki Hayashi
- Department of Radiology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Minoru Fukuda
- Clinical Oncology Center, Nagasaki University Hospital, Nagasaki, Japan
| | - Sumihisa Honda
- Department of Publish Health and Nursing, Public Health and Nursing, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Takeshi Kitazaki
- Division of Respiratory Diseases, Department of Internal Medicine, Japanese Red Cross, Nagasaki Genbaku Hospital, Nagasaki, Japan
| | - Kazuto Shigematsu
- Department of Pathology, Japanese Red Cross, Nagasaki Genbaku Hospital, Nagasaki, Japan
| | - Naohiro Matsuyama
- Department of Radiology, The Japanese Red Cross Nagasaki Genbaku Hospital, Nagasaki, Japan
| | - Mayumi Otsubo
- Department of Radiology, The Japanese Red Cross Nagasaki Genbaku Hospital, Nagasaki, Japan
| | - Takeshi Nagayasu
- Division of Surgical Oncology, Translational Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Mikiko Hashisako
- Department of Pathology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Kazuhiro Tabata
- Department of Pathology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Masataka Uetani
- Department of Radiology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Kazuto Ashizawa
- Department of Clinical Oncology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Clinical Oncology Center, Nagasaki University Hospital, Nagasaki, Japan
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Jiang L, Mino-Kenudson M, Roden AC, Rosell R, Molina MÁ, Flores RM, Pilz LR, Brunelli A, Venuta F, He J. Association between the novel classification of lung adenocarcinoma subtypes and EGFR/KRAS mutation status: A systematic literature review and pooled-data analysis. EUROPEAN JOURNAL OF SURGICAL ONCOLOGY 2019; 45:870-876. [PMID: 30833014 DOI: 10.1016/j.ejso.2019.02.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 01/06/2019] [Accepted: 02/05/2019] [Indexed: 10/27/2022]
Abstract
OBJECTIVES This study aims to determine the association of EGFR/KRAS mutation status with histological subtypes of lung adenocarcinoma (LAC) based on the IASLC/ATS/ERS classification. METHODS Pubmed and Cochrane databases were searched from January 2011 to June 2018 for studies that included patients with LAC who underwent surgical resection were classified according to the new IASLC/ATS/ERS classification. EGFR/KRAS status assessment was requireded. The primary outcome was determined by the odds ratio (OR) of the incidence of mutation status of certain of each histological subtype. The reference group consisted of EGFR/KRAS mutation negative patients. RESULTS Twenty-seven eligible studies involving 9022 patients with mutation gene detection were included for analysis. Among them, 6717 (74.5%) patients were from the Asian region and, 2305 (25.5%) patients were from Non-Asian regions. The most prevalent subtype was acinar (34.7%), followed by papillary (22.9%), lepidic (18.9%), solid (13.6%), micropapillary (6.3%), and invasive mucinous adenocarcinoma (3.5%). EGFR mutations were more common in patients with resected lepidic predominant adenocarcinoma (OR,1.76; 95%CI, 1.38-2.24;p < 0.01) and were rarely found in solid predominant adenocarcinoma (OR,0.28; 95%CI, 0.23-0.34;p < 0.01) or IMA (OR,0.10; 95%CI, 0.06-0.14;p < 0.01). Conversely, KRAS mutations were characterized by IMA (OR,7.01; 95%CI, 5.11-9.62;p < 0.01), and were less frequently identified in lepidic (OR,0.58; 95%CI, 0.45-0.75;p < 0.01) and acinar (OR,0.65; 95%CI, 0.55-0.78;p < 0.01) predominant subtypes. Further analyses were performed in Asian and Non-Asian groups and the results were consistent. CONCLUSIONS The current study confirms that the IASLC/ATS/ERS classification is associated with driver gene alterations in resected LAC.
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Affiliation(s)
- Long Jiang
- Department of Thoracic Surgery/Oncology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Institute of Respiratory Disease, China State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou, PR China.
| | | | - Anja C Roden
- Department of Laboratory Medicine and Pathology, Mayo Clinic Rochester, MN, USA
| | - Rafael Rosell
- Cancer Biology and Precision Medicine Program, Catalan Institute of Oncology, Hospital Germans Trias I Pujol, Ctra Canyet, Badalona, Barcelona, Spain
| | - Miguel Ángel Molina
- Pangaea Biotech, S.L., Hospital Universitario Quirón Dexeus, Barcelona, Spain
| | - Raja M Flores
- Department of Thoracic Surgery, Mount Sinai School of Medicine, New York, NY, USA
| | - Lothar R Pilz
- Medical Faculty Mannheim, Heidelberg University, Theodor-Kutzer-Ufer 1, 68167, Mannheim, Germany
| | | | - Federico Venuta
- Department of Surgery "Paride Stefanini"-Thoracic Surgery Unit, Policlinico Umberto I, University of Rome, Italy
| | - Jianxing He
- Department of Thoracic Surgery/Oncology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Institute of Respiratory Disease, China State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou, PR China.
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20
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Li P, Gao Q, Jiang X, Zhan Z, Yan Q, Li Z, Huang C. Comparison of Clinicopathological Features and Prognosis between ALK Rearrangements and EGFR Mutations in Surgically Resected Early-stage Lung Adenocarcinoma. J Cancer 2019; 10:61-71. [PMID: 30662526 PMCID: PMC6329857 DOI: 10.7150/jca.26947] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Accepted: 10/27/2018] [Indexed: 12/25/2022] Open
Abstract
Background: A number of mutations in key oncogenes have been identified as important for the initiation and maintenance of lung adenocarcinoma (LAC). This study elucidated the prevalence and prognostic significance of mutations in the epidermal growth factor receptor gene (EGFR) and rearrangements in the anaplastic lymphoma kinase gene (ALK) in patients with surgically resected primary LAC. Patients and Methods: We retrospectively analyzed 675 consecutive patients who underwent radical resection at a single institution. We concurrently analyzed mutations in EGFR and the Kirsten rat sarcoma viral oncogene homolog gene (KRAS) by reverse transcription (RT)-PCR, and investigated ALK rearrangements by immunohistochemistry. LAC with or without various oncogenic mutations was studied for clinicopathological features and their association with disease-free survival (DFS) and overall survival (OS). Result: ALK rearrangements and EGFR mutations were detected in 75 and 312 patients, respectively, with coexistence in 5 cases. ALK rearrangements and mutations in EGFR and KRAS were mutually exclusive. Compared with patients with EGFR mutations, ALK rearrangements were more common in younger patients, and those with advanced tumors, lymph node metastases, and higher rates of postoperative adjuvant therapy. Histologically, EGFR mutations were more common than ALK rearrangements in patients with the acinar predominant subtype and the lepidic predominant subtype of LAC, whereas ALK rearrangements were more frequent in the solid predominant subtype with mucin production and invasive mucinous adenocarcinomas. ALK-positive patients had a significantly worse DFS than those with EGFR mutations and wild-type (WT) patients. The mean OS after surgical procedures was significantly longer in EGFR-mutated versus WT patients. No significant differences were found in patients with ALK-positive tumors compared with EGFR-mutated and WT patients. Conclusion: Clinicopathological features of LAC with ALK rearrangements differ from those of LAC with EGFR mutations. Patients with ALK rearrangements had a significantly worse DFS than those harboring EGFR mutations. Thus, ALK rearrangements are an adverse prognostic factor in surgically-resected LAC patients, while EGFR mutations are associated with a better prognosis.
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Affiliation(s)
- Pupu Li
- Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer.,Key Laboratory of Cancer Prevention and Therapy, Tianjin; Tianjin's Clinical Research Center for Cancer.,Department of Thoracic Oncology, Tianjin Medical University Cancer Institute & Hospital
| | - Qiongqiong Gao
- Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer.,Key Laboratory of Cancer Prevention and Therapy, Tianjin; Tianjin's Clinical Research Center for Cancer.,Department of Thoracic Oncology, Tianjin Medical University Cancer Institute & Hospital
| | - Xiangli Jiang
- Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer.,Key Laboratory of Cancer Prevention and Therapy, Tianjin; Tianjin's Clinical Research Center for Cancer.,Department of Thoracic Oncology, Tianjin Medical University Cancer Institute & Hospital
| | - Zhongli Zhan
- Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer.,Key Laboratory of Cancer Prevention and Therapy, Tianjin; Tianjin's Clinical Research Center for Cancer.,Department of Pathology, Tianjin Lung Cancer Center, Tianjin Medical University Cancer Institute & Hospital, Tianjin 300060, P.R. China
| | - Qingna Yan
- Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer.,Key Laboratory of Cancer Prevention and Therapy, Tianjin; Tianjin's Clinical Research Center for Cancer.,Department of Pathology, Tianjin Lung Cancer Center, Tianjin Medical University Cancer Institute & Hospital, Tianjin 300060, P.R. China
| | - Zhaona Li
- Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer.,Key Laboratory of Cancer Prevention and Therapy, Tianjin; Tianjin's Clinical Research Center for Cancer.,Department of Thoracic Oncology, Tianjin Medical University Cancer Institute & Hospital
| | - Chun Huang
- Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer.,Key Laboratory of Cancer Prevention and Therapy, Tianjin; Tianjin's Clinical Research Center for Cancer.,Department of Thoracic Oncology, Tianjin Medical University Cancer Institute & Hospital
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21
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Singh V, Guleria P, Malik PS, Mohan A, Thulkar S, Pandey RM, Luthra K, Arava S, Ray R, Jain D. Epidermal growth factor receptor (EGFR), KRAS, and BRAF mutations in lung adenocarcinomas: A study from India. Curr Probl Cancer 2018; 43:391-401. [PMID: 30591192 DOI: 10.1016/j.currproblcancer.2018.12.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Revised: 10/13/2018] [Accepted: 12/04/2018] [Indexed: 12/12/2022]
Abstract
Mitogen-Activated Protein (MAP) Kinase pathway involves several oncogenic genes which can serve as potential targets for therapy. Therefore, aim of the present study is to analyze mutations in the MAP Kinase pathway in pulmonary adenocarcinoma (ADCA) of Indian patients along with clinico-pathologic correlation and determination of the survival status in patients receiving therapy. Blocks and slides of 125 pulmonary ADCA of last 5 years were retrieved. Histo-morphology and tumor content were determined. EGFR, KRAS, BRAF and MEK1 genes were analyzed using Sanger sequencing and Real-time polymerase chain reaction (PCR). Clinico-pathologic correlation and survival analysis were performed. Fifty-eight (46.4%) patients harbored genetic mutations of which 49 had single somatic mutations, 5 had multiple exonic and 4 showed coexisting EGFR and KRAS mutations. EGFR mutations were seen in 24.8%, KRAS in 19.2% and BRAF (non-V600E) in 2.4% cases. There was no difference in progression-free survival of wild- type/single mutations when compared with multiple/ coexisting mutations (P = 0.09). However, the P value may indicate borderline correlation. To conclude, EGFR and KRAS mutations may coexist in the same patient in lung ADCA. Multiple exonic mutations of KRAS gene formed substantial percentage of our cohort, requiring further exploration. Lung ADCA harbouring BRAF mutations are commonly non-V600E. Testing of all major genetic driver mutations of lung ADCA irrespective of histology and other demographic characteristics is necessary.
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Affiliation(s)
- Varsha Singh
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Prerna Guleria
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Prabhat Singh Malik
- Department of Medical Oncology, All India Institute of Medical Sciences, New Delhi, India
| | - Anant Mohan
- Department of Pulmonary Medicine and Sleep Disorders, All India Institute of Medical Sciences, New Delhi, India
| | - Sanjay Thulkar
- Department of Radio-Diagnosis, All India Institute of Medical Sciences, New Delhi, India
| | - R M Pandey
- Department of Biostatistics, All India Institute of Medical Sciences, New Delhi, India
| | - Kalpana Luthra
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Sudheer Arava
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Ruma Ray
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Deepali Jain
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India.
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22
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Zhao M, Zhan C, Li M, Yang X, Yang X, Zhang Y, Lin M, Xia Y, Feng M, Wang Q. Aberrant status and clinicopathologic characteristic associations of 11 target genes in 1,321 Chinese patients with lung adenocarcinoma. J Thorac Dis 2018; 10:398-407. [PMID: 29600072 DOI: 10.21037/jtd.2017.12.68] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Background The aberrant status of target genes and their associations with clinicopathologic characteristics are still unclear in primary lung adenocarcinoma. Methods The common mutations and translocations of nine target genes were evaluated in 1,247 specimens of surgically-resected primary lung adenocarcinoma. Immunohistochemistry was used to analyze the expressions of programmed death-1 (PD-1)/programmed death-ligand 1 (PD-L1) in 731 specimens. The frequency of the aberrations and their associations with clinicopathologic characteristics were analyzed. Results Overall, 952 (76.3%) of 1,247 patients harbored at least one target mutation or translocation: epidermal growth factor receptor (EGFR) (729, 58.5%), v-Ki-ras2 Kirsten rat sarcoma viral oncogene homolog (KRAS) (83, 6.7%), human epidermal growth factor receptor 2 (HER2) (82, 6.6%), anaplastic lymphoma kinase (ALK) (23, 1.8%), phosphoinositide-3-kinase catalytic alpha polypeptide (PIK3CA) (20, 1.6%), Ret proto-oncogene RET (15, 1.2%), ROS proto-oncogene 1 receptor tyrosine kinase (ROS1) (12, 1.0%), B-raf proto-oncogene (BRAF) (9, 0.7%), neuroblastoma RAS viral (v-ras) oncogene homolog (NRAS) (3, 0.2%). Fourteen (1.9%) of 731 patients were PD-1 positive and 95 (13.0%) were PD-L1 positive in tumor cells. In men and smokers, there were more frequent KRAS mutations (both P<0.001) and PD-L1 positive tumors (P<0.001, P=0.005, respectively), and less frequent EGFR mutations (P=0.049, <0.001, respectively). In ground-glass opacity (GGO) or ground-glass nodules (GGN), there were more HER2 (P=0.033) but less EGFR (P=0.025) and PIK3CA mutations (P=0.012), and ALK translocations (P=0.014). EGFR (P<0.001), KRAS mutations (P=0.004) and PD-L1 positive tumors (P=0.046) were more frequent in older patients, while HER2 (P<0.001), ALK (P=0.005) and ROS1 aberrations (P=0.044) were less frequent. Invasive mucinous adenocarcinoma was significantly associated with KRAS and ALK aberrations (both P<0.001), while solid predominant adenocarcinoma was associated with ROS1 translocations (P=0.036) and PD-L1 expression (P<0.001). KRAS, HER2, and ALK aberrations were scarce in patients with EGFR mutations (all P<0.001), while PD-L1 positive tumors positively correlated with ALK translocations (P=0.031) and negatively correlated with HER2 mutations (P=0.019). Conclusions Most patients with primary lung adenocarcinoma harbored target gene aberrations. The frequency of each alteration differed in patients depending on clinicopathologic characteristics.
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Affiliation(s)
- Mengnan Zhao
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Cheng Zhan
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Ming Li
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China.,Eight-Year Program Clinical Medicine, Grade of 2014, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Xiaodong Yang
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Xinyu Yang
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China.,Eight-Year Program Clinical Medicine, Grade of 2014, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Yong Zhang
- Department of Respiration, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Miao Lin
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Yifeng Xia
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China.,Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, California, USA
| | - Mingxiang Feng
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Qun Wang
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
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23
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Sawabata N. Circulating tumor cells in lung cancer: cluster circulating tumor cells as hybrid epithelial-mesenchymal transition/mesenchymal-epithelial transition (E/M). J Thorac Dis 2017; 9:3547-3550. [PMID: 29268338 PMCID: PMC5723813 DOI: 10.21037/jtd.2017.09.63] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Accepted: 09/05/2017] [Indexed: 02/05/2023]
Affiliation(s)
- Noriyoshi Sawabata
- Department of Thoracic and Cardiovascular Surgery, Nara Medical University, School of Medicine, Kashihara, Nara, Japan
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24
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Gao Q, Li P, Jiang X, Zhan Z, Yan Q, Zhang B, Huang C. Worse disease-free, tumor-specific, and overall survival in surgically-resected lung adenocarcinoma patients with ALK rearrangement. Oncotarget 2017; 8:86066-86081. [PMID: 29156778 PMCID: PMC5689668 DOI: 10.18632/oncotarget.20973] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Accepted: 08/26/2017] [Indexed: 12/12/2022] Open
Abstract
Introduction This study determined the prevalence of anaplastic lymphoma kinase (ALK) rearrangement, and identified the associations of ALK rearrangement with clinicopathologic characteristics and treatment outcomes in patients with surgically-resected stage I-III lung adenocarcinoma. Methods A total of 534 surgically-resected lung adenocarcinoma patients were studied. The prevalence of ALK protein over-expression was determined by a fully-automated immunochemistry assay (with mouse monoclonal Ventana D5F3 antibody), and the associations of ALK rearrangement with clinicopathologic characteristics and treatment outcomes were analyzed. Results Forty-two (7.9%) of the 534 lung adenocarcinoma patients were ALK IHC-positive. ALK rearrangement was significantly associated with younger age (P = 0.011), high T-stage (P = 0.025), high pathologic stage (P = 0.002), solid predominant adenocarcinoma with mucin production (P = 0.006), invasive mucinous adenocarcinoma (P = 0.009), and receipt of adjuvant therapy after surgery (P = 0.036), but no significant associations were found between the ALK rearrangement and sex or smoking status. ALK IHC-positivity was significantly associated with a shorter disease-free survival, tumor-specific survival, and overall survival (P = 0.001, 0.026, and 0.007, respectively). Multivariate analysis showed that ALK IHC-positivity was an adverse prognostic factor for disease-free survival (HR, 1.80; 95% CI 1.18-2.77; P = 0.007), tumor-specific survival (HR, 2.59; 95% CI 1.35-4.97; P = 0.004), and overall survival (HR, 1.92; 95% CI 1.07-3.44; P = 0.030). Conclusion The clinical characteristics of patients with ALK-positive lung adenocarcinoma were similar to those of EGFR-mutated patients. ALK rearrangement was an adverse prognostic factor in surgically-resected lung adenocarcinoma patients.
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Affiliation(s)
- Qiongqiong Gao
- Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer, Tianjin 300060, P.R. China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, P.R. China.,Tianjin's Clinical Research Center for Cancer, Tianjin 300060, P.R. China.,Department of Thoracic Oncology, Tianjin Cancer Institute & Hospital, Tianjin 300060, P.R. China
| | - Pupu Li
- Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer, Tianjin 300060, P.R. China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, P.R. China.,Tianjin's Clinical Research Center for Cancer, Tianjin 300060, P.R. China.,Department of Thoracic Oncology, Tianjin Cancer Institute & Hospital, Tianjin 300060, P.R. China
| | - Xiangli Jiang
- Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer, Tianjin 300060, P.R. China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, P.R. China.,Tianjin's Clinical Research Center for Cancer, Tianjin 300060, P.R. China.,Department of Thoracic Oncology, Tianjin Cancer Institute & Hospital, Tianjin 300060, P.R. China
| | - Zhongli Zhan
- Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer, Tianjin 300060, P.R. China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, P.R. China.,Tianjin's Clinical Research Center for Cancer, Tianjin 300060, P.R. China.,Department of Pathology, Tianjin Lung Cancer Center, Tianjin Cancer Institute & Hospital, Tianjin 300060, P.R. China
| | - Qingna Yan
- Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer, Tianjin 300060, P.R. China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, P.R. China.,Tianjin's Clinical Research Center for Cancer, Tianjin 300060, P.R. China.,Department of Pathology, Tianjin Lung Cancer Center, Tianjin Cancer Institute & Hospital, Tianjin 300060, P.R. China
| | - Bo Zhang
- Department of Ultrasound Diagnosis, Second Hospital of Tianjin Medical University, Tianjin 300060, P.R. China
| | - Chun Huang
- Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer, Tianjin 300060, P.R. China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, P.R. China.,Tianjin's Clinical Research Center for Cancer, Tianjin 300060, P.R. China.,Department of Thoracic Oncology, Tianjin Cancer Institute & Hospital, Tianjin 300060, P.R. China
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25
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Zhao L, Huang S, Liu J, Zhao J, Li Q, Wang HQ. Clinicopathological, radiographic, and oncogenic features of primary pulmonary enteric adenocarcinoma in comparison with invasive adenocarcinoma in resection specimens. Medicine (Baltimore) 2017; 96:e8153. [PMID: 28953659 PMCID: PMC5626302 DOI: 10.1097/md.0000000000008153] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Revised: 07/31/2017] [Accepted: 09/01/2017] [Indexed: 12/13/2022] Open
Abstract
Primary pulmonary enteric adenocarcinoma (PEAC) is a rare subtype of primary lung adenocarcinoma. However, it is not known whether there are any distinctive clinical or molecular features.PEACs were retrospectively identified in 28 patients from July 2014 to June 2016. We compared the clinicopathological, radiographic, and oncogenic characteristics of PEAC and primary pulmonary invasive adenocarcinoma (IAC).A total of 28 PEAC patients and 92 IAC patients were compared. PEAC occurred more frequently in males (P = .008), in older patients (P = .041), in those with larger lesions (P = .001), and in those in a more advanced stage (P = .011). Radiologically, PEAC patients had larger lesions (P = .025) and more solid (P = .006); however, there were no statistically significant differences in lobulation, spiculation, pleural indentation, pleural effusion, and lymphadenopathy between PEAC and IAC. PEAC had higher values of carcinoembryonic antigen (P = .008) and carbohydrate antigen 19-9 (P < .001) than IAC. PEAC had a higher incidence (40% vs 63%, P < .001) of Kristen rat sarcoma viral oncogene homolog (KRAS) mutations and a lower incidence (10.71% vs 3.3%, P < .001) of epidermal growth factor receptor (EGFR) mutations. Villin may be a useful marker in the differential diagnosis of PEAC. KRAS mutations occurred more frequently in PEACs, which are cytokeratin 7-negative (P = .032). EGFR mutation rates were higher in PEACs, which are cytokeratin 20- and caudal type homeobox transcription factor 2-negative (P = .041).PEAC is a rare and heterogeneous nonsmall-cell lung cancer subgroup with distinctive clinicopathological, radiographic, and molecular features. These results need to be further confirmed in future studies.
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Zhang Z, Ye S, Zhang M, Wu J, Yan H, Li X, He J. High expression of SLC34A2 is a favorable prognostic marker in lung adenocarcinoma patients. Tumour Biol 2017; 39:1010428317720212. [PMID: 28720066 DOI: 10.1177/1010428317720212] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Dysregulation of SLC34A2 (NaPi2b) in tumors has attracted wide attention, but its expression and function in non-small cell lung cancer remains unclear. By examining its expression in lung adenocarcinoma and correlation to patient outcome, we aimed to explore its prognostic and therapeutic values in this deadly disease. Overall, 175 cases of lung adenocarcinoma sample were included in this study. Histological subtyping of them was diagnosed according to standards of the International Association for the Study of Lung Cancer/American Thoracic Society/European Respiratory Society in 2011. Protein expression of SLC34A2 and anaplastic lymphoma kinase in these samples was determined by immunohistochemistry. Epidermal growth factor receptor mutations were examined using amplification refractory mutation system. Statistical analysis was performed using software of Pearson's correlation coefficient. High expression of SLC34A2 was identified in about 2/3 patients and correlated with significantly better patient's overall survival. Epidermal growth factor receptor mutations were detected in about 53% of patients with no statistically significant difference to patient's overall survival. Anaplastic lymphoma kinase rearrangement was found in 8 out of 175 patients, harboring this abnormality leads to shorter overall survival. No correlation has been found between SLC34A2 expression and epidermal growth factor receptor mutation or anaplastic lymphoma kinase rearrangements in lung adenocarcinoma. High expression of SLC34A2 is present in about 3/4 lung adenocarcinoma samples and predicts better outcome. Since it is a membrane protein, antibody-based drugs targeting this marker might bring new resolution to this deadly disease.
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Affiliation(s)
- Zhaoxuan Zhang
- 1 Anhui Provincial Hospital, Anhui Medical University, Hefei, P.R. China.,2 Department of Pathology, Anhui Provincial Cancer Hospital, Hefei, P.R. China
| | - Shan Ye
- 2 Department of Pathology, Anhui Provincial Cancer Hospital, Hefei, P.R. China
| | - Min Zhang
- 2 Department of Pathology, Anhui Provincial Cancer Hospital, Hefei, P.R. China
| | - Jing Wu
- 2 Department of Pathology, Anhui Provincial Cancer Hospital, Hefei, P.R. China
| | - Hong Yan
- 2 Department of Pathology, Anhui Provincial Cancer Hospital, Hefei, P.R. China
| | - Xiaojie Li
- 2 Department of Pathology, Anhui Provincial Cancer Hospital, Hefei, P.R. China
| | - Jie He
- 1 Anhui Provincial Hospital, Anhui Medical University, Hefei, P.R. China.,2 Department of Pathology, Anhui Provincial Cancer Hospital, Hefei, P.R. China
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27
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Matsumura Y, Owada Y, Inoue T, Watanabe Y, Yamaura T, Fukuhara M, Muto S, Okabe N, Hasegawa T, Hoshino M, Osugi J, Higuchi M, Suzuki H. Epidermal growth factor receptor mutation status is strongly associated with smoking status in patients undergoing surgical resection for lung adenocarcinoma. Interact Cardiovasc Thorac Surg 2017; 25:690-695. [DOI: 10.1093/icvts/ivx207] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Accepted: 05/29/2017] [Indexed: 12/25/2022] Open
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28
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Poon CC, Kelly JJ. Development of crizotinib, a rationally designed tyrosine kinase inhibitor for non-small cell lung cancer. Int J Cancer 2017; 140:1945-1954. [PMID: 27874172 DOI: 10.1002/ijc.30533] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Revised: 10/29/2016] [Accepted: 11/16/2016] [Indexed: 12/29/2022]
Abstract
Non-small cell lung cancer (NSCLC) is the number one cause of global mortality. Despite aggressive treatment, the prognosis is dismal. Patients with advanced NSCLC have a median survival of 4 months from the time of diagnosis. Fortunately, molecularly based approaches to drug discovery have yielded a tyrosine kinase inhibitor, crizotinib, which significantly prolongs median progression-free survival in a subset of patients. Although initial clinical trial results demonstrate crizotinib has a promising role to play in NSCLC treatment, development of resistance leaves much to be elucidated about how to effectively combat this deadly disease. In this review, we follow the discovery and development of crizotinib from bench to bedside and provide an example of successful bottom-up drug design. Then, we explore the clinical trial results that fast-tracked its eventual use as a frontline therapy for sensitive NSCLC patients and the development of resistance. Lastly, we discuss the potential for future uses of crizotinib both within and beyond NSCLC.
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Affiliation(s)
- Candice C Poon
- Department of Clinical Neurosciences, University of Calgary, Calgary, AB, Canada
| | - John J Kelly
- Department of Clinical Neurosciences, University of Calgary, Calgary, AB, Canada
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