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Chen X, Keller SJ, Hafner P, Alrawashdeh AY, Avery TY, Norona J, Zhou J, Ruess DA. Tyrosine phosphatase PTPN11/SHP2 in solid tumors - bull's eye for targeted therapy? Front Immunol 2024; 15:1340726. [PMID: 38504984 PMCID: PMC10948527 DOI: 10.3389/fimmu.2024.1340726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Accepted: 02/19/2024] [Indexed: 03/21/2024] Open
Abstract
Encoded by PTPN11, the Src-homology 2 domain-containing phosphatase 2 (SHP2) integrates signals from various membrane-bound receptors such as receptor tyrosine kinases (RTKs), cytokine and integrin receptors and thereby promotes cell survival and proliferation. Activating mutations in the PTPN11 gene may trigger signaling pathways leading to the development of hematological malignancies, but are rarely found in solid tumors. Yet, aberrant SHP2 expression or activation has implications in the development, progression and metastasis of many solid tumor entities. SHP2 is involved in multiple signaling cascades, including the RAS-RAF-MEK-ERK-, PI3K-AKT-, JAK-STAT- and PD-L1/PD-1- pathways. Although not mutated, activation or functional requirement of SHP2 appears to play a relevant and context-dependent dichotomous role. This mostly tumor-promoting and infrequently tumor-suppressive role exists in many cancers such as gastrointestinal tumors, pancreatic, liver and lung cancer, gynecological entities, head and neck cancers, prostate cancer, glioblastoma and melanoma. Recent studies have identified SHP2 as a potential biomarker for the prognosis of some solid tumors. Based on promising preclinical work and the advent of orally available allosteric SHP2-inhibitors early clinical trials are currently investigating SHP2-directed approaches in various solid tumors, either as a single agent or in combination regimes. We here provide a brief overview of the molecular functions of SHP2 and collate current knowledge with regard to the significance of SHP2 expression and function in different solid tumor entities, including cells in their microenvironment, immune escape and therapy resistance. In the context of the present landscape of clinical trials with allosteric SHP2-inhibitors we discuss the multitude of opportunities but also limitations of a strategy targeting this non-receptor protein tyrosine phosphatase for treatment of solid tumors.
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Affiliation(s)
- Xun Chen
- Department of General and Visceral Surgery, Center for Surgery, Medical Center University of Freiburg, Freiburg, Germany
- Department of Hepatobiliary and Pancreatic Surgery, The Affiliated Tumor Hospital of Zhengzhou University, Zhengzhou, China
| | - Steffen Johannes Keller
- Department of General and Visceral Surgery, Center for Surgery, Medical Center University of Freiburg, Freiburg, Germany
| | - Philipp Hafner
- Department of General and Visceral Surgery, Center for Surgery, Medical Center University of Freiburg, Freiburg, Germany
| | - Asma Y. Alrawashdeh
- Department of General and Visceral Surgery, Center for Surgery, Medical Center University of Freiburg, Freiburg, Germany
| | - Thomas Yul Avery
- Department of General and Visceral Surgery, Center for Surgery, Medical Center University of Freiburg, Freiburg, Germany
| | - Johana Norona
- Department of General and Visceral Surgery, Center for Surgery, Medical Center University of Freiburg, Freiburg, Germany
- German Cancer Consortium (DKTK), Partner Site Freiburg and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Jinxue Zhou
- Department of Hepatobiliary and Pancreatic Surgery, The Affiliated Tumor Hospital of Zhengzhou University, Zhengzhou, China
| | - Dietrich Alexander Ruess
- Department of General and Visceral Surgery, Center for Surgery, Medical Center University of Freiburg, Freiburg, Germany
- German Cancer Consortium (DKTK), Partner Site Freiburg and German Cancer Research Center (DKFZ), Heidelberg, Germany
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Elsayed MSA, Blake JF, Boys ML, Brown E, Chapsal BD, Chicarelli MJ, Cook AW, Fell JB, Fischer JP, Hanson L, Lemieux C, Martinson MC, McCown J, McNulty OT, Mejia MJ, Neitzel NA, Otten JN, Rodriguez ME, Wilcox D, Wong CE, Zhou Y, Hinklin RJ. Discovery of 5-Azaquinoxaline Derivatives as Potent and Orally Bioavailable Allosteric SHP2 Inhibitors. ACS Med Chem Lett 2023; 14:1673-1681. [PMID: 38116446 PMCID: PMC10726463 DOI: 10.1021/acsmedchemlett.3c00310] [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: 07/17/2023] [Revised: 11/08/2023] [Accepted: 11/10/2023] [Indexed: 12/21/2023] Open
Abstract
SHP2 has emerged as an important target for oncology small-molecule drug discovery. As a nonreceptor tyrosine phosphatase within the MAPK pathway, it has been shown to control cell growth, differentiation, and oncogenic transformation. We used structure-based design to find a novel class of potent and orally bioavailable SHP2 inhibitors. Our efforts led to the discovery of the 5-azaquinoxaline as a new core for developing this class of compounds. Optimization of the potency and properties of this scaffold generated compound 30, that exhibited potent in vitro SHP2 inhibition and showed excellent in vivo efficacy and pharmacokinetic profile.
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Affiliation(s)
| | - James F. Blake
- Computational
Chemistry, Pfizer-Boulder, Boulder, Colorado 80301, United States
| | - Mark L. Boys
- Medicinal
Chemistry, Pfizer-Boulder, Boulder, Colorado 80301, United States
| | - Eric Brown
- Pharmacology, Pfizer-Boulder, Boulder, Colorado 80301, United States
| | - Bruno D. Chapsal
- Medicinal
Chemistry, Pfizer-Boulder, Boulder, Colorado 80301, United States
| | - Mark J. Chicarelli
- Medicinal
Chemistry, Pfizer-Boulder, Boulder, Colorado 80301, United States
| | - Adam W. Cook
- Medicinal
Chemistry, Pfizer-Boulder, Boulder, Colorado 80301, United States
| | - Jay B. Fell
- Medicinal
Chemistry, Pfizer-Boulder, Boulder, Colorado 80301, United States
| | - John P. Fischer
- Medicinal
Chemistry, Pfizer-Boulder, Boulder, Colorado 80301, United States
| | - Lauren Hanson
- Enzymology, Pfizer-Boulder, Boulder, Colorado 80301, United States
| | - Christine Lemieux
- Cellular
Biology, Pfizer-Boulder, Boulder, Colorado 80301, United States
| | | | - Joseph McCown
- ADME
Sciences, Pfizer-Boulder, Boulder, Colorado 80301, United States
| | - Oren T. McNulty
- Medicinal
Chemistry, Pfizer-Boulder, Boulder, Colorado 80301, United States
| | - Macedonio J. Mejia
- Medicinal
Chemistry, Pfizer-Boulder, Boulder, Colorado 80301, United States
| | | | - Jennifer N. Otten
- ADME
Sciences, Pfizer-Boulder, Boulder, Colorado 80301, United States
| | | | - Daniel Wilcox
- Medicinal
Chemistry, Pfizer-Boulder, Boulder, Colorado 80301, United States
| | - Christina E. Wong
- Medicinal
Chemistry, Pfizer-Boulder, Boulder, Colorado 80301, United States
| | - Yeyun Zhou
- Structural
Biology, Pfizer-Boulder, Boulder, Colorado 80301, United States
| | - Ronald J. Hinklin
- Medicinal
Chemistry, Pfizer-Boulder, Boulder, Colorado 80301, United States
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Li S, Qu J, Wang X, Zou Q, Li C. SHP2 is involved in the occurrence, development and prognosis of cancer. Oncol Lett 2023; 26:393. [PMID: 37600341 PMCID: PMC10433711 DOI: 10.3892/ol.2023.13979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Accepted: 07/14/2023] [Indexed: 08/22/2023] Open
Abstract
Src homology-2 domain-containing protein tyrosine phosphatase (SHP2), encoded by protein tyrosine phosphatase non-receptor type 11 (PTPN11), is widely expressed in several human tissue types, and plays an important role in a variety of diseases. The present study assessed the impact of SHP2 on the occurrence, development and prognosis of solid tumors. The transcriptome sequencing data of 33 cancer types were downloaded from The Cancer Genome Atlas database. Clinical information of the corresponding patients, tumor mutational burden and information pertinent to microsatellite instability were also downloaded. The log-rank test and univariate Cox's regression test were used to evaluate patient survival. The 'ESTIMATE' method was used to assess the tumor microenvironment, and the 'CIBERSORT' algorithm was used to evaluate tumor immune cell infiltration. Spearman's correlation analysis was used to evaluate the correlation between SHP2 expression and the targets identified. ELISA was used to assess the SHP2 expression levels in peripheral blood samples of patients with breast, ovarian, endometrial and cervical cancer. The data indicated that the expression levels of SHP2 were increased in a variety of tumor tissues, and were associated with tumor progression and prognosis. In peripheral blood, the positive rates of SHP2 expression in breast cancer (71.43%) and ovarian cancer (58.82%) were significantly higher than those in the corresponding control groups. However, the positive rates of SHP2 expression in patients with endometrial cancer (31.03%) and cervical cancer (41.30%) were significantly lower than those in the corresponding control groups. Increased SHP2 expression improved overall survival (OS) and disease free survival (DFS) time in patients with kidney renal clear cell carcinoma. However, increased SHP2 expression reduced OS and DFS in patients with urothelial carcinoma, and cervical and endocervical cancer types. Moreover, the elevated expression of SHP2 could also reduce the OS of patients with breast invasive carcinoma, mesothelioma and liver hepatocellular carcinoma. PTPN11 expression was associated with the tumor microenvironment of various tumor types. The tumor mutational burden of various tumor types was associated with microsatellite instability. PTPN11 inhibited T-cell activation and promoted M2 macrophage activation in several tumors. Therefore, SHP2 may be used in the evaluation of tumor progression and prognosis, and it may be an optimal potential biological target for cancer therapy.
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Affiliation(s)
- Shu Li
- Department of Clinical Laboratory, Women and Children's Hospital of Chongqing Medical University, Chongqing 401174, P.R. China
- Department of Clinical Laboratory, Chongqing Health Center for Women and Children, Chongqing 401174, P.R. China
| | - Jialing Qu
- Department of Clinical Laboratory, Women and Children's Hospital of Chongqing Medical University, Chongqing 401174, P.R. China
- Department of Clinical Laboratory, Chongqing Health Center for Women and Children, Chongqing 401174, P.R. China
| | - Xiaotong Wang
- Department of Obstetrics and Gynecology, Women and Children's Hospital of Chongqing Medical University, Chongqing 401174, P.R. China
- Department of Obstetrics and Gynecology, Chongqing Health Center for Women and Children, Chongqing 401174, P.R. China
| | - Qin Zou
- Department of Clinical Laboratory, Women and Children's Hospital of Chongqing Medical University, Chongqing 401174, P.R. China
- Department of Clinical Laboratory, Chongqing Health Center for Women and Children, Chongqing 401174, P.R. China
| | - Chunli Li
- Department of Clinical Laboratory, Women and Children's Hospital of Chongqing Medical University, Chongqing 401174, P.R. China
- Department of Clinical Laboratory, Chongqing Health Center for Women and Children, Chongqing 401174, P.R. China
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Yang Y, Zhang H, Huang S, Chu Q. KRAS Mutations in Solid Tumors: Characteristics, Current Therapeutic Strategy, and Potential Treatment Exploration. J Clin Med 2023; 12:jcm12020709. [PMID: 36675641 PMCID: PMC9861148 DOI: 10.3390/jcm12020709] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 12/21/2022] [Accepted: 12/22/2022] [Indexed: 01/18/2023] Open
Abstract
Kristen rat sarcoma (KRAS) gene is one of the most common mutated oncogenes in solid tumors. Yet, KRAS inhibitors did not follow suit with the development of targeted therapy, for the structure of KRAS has been considered as being implausible to target for decades. Chemotherapy was the initial recommended therapy for KRAS-mutant cancer patients, which was then replaced by or combined with immunotherapy. KRAS G12C inhibitors became the most recent breakthrough in targeted therapy, with Sotorasib being approved by the Food and Drug Administration (FDA) based on its significant efficacy in multiple clinical studies. However, the subtypes of the KRAS mutations are complex, and the development of inhibitors targeting non-G12C subtypes is still at a relatively early stage. In addition, the monotherapy of KRAS inhibitors has accumulated possible resistance, acquiring the exploration of combination therapies or next-generation KRAS inhibitors. Thus, other non-target, conventional therapies have also been considered as being promising. Here in this review, we went through the characteristics of KRAS mutations in cancer patients, and the prognostic effect that it poses on different therapies and advanced therapeutic strategy, as well as cutting-edge research on the mechanisms of drug resistance, tumor development, and the immune microenvironment.
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Molecular Biology and Therapeutic Perspectives for K-Ras Mutant Non-Small Cell Lung Cancers. Cancers (Basel) 2022; 14:cancers14174103. [PMID: 36077640 PMCID: PMC9454753 DOI: 10.3390/cancers14174103] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/22/2022] [Accepted: 08/22/2022] [Indexed: 12/28/2022] Open
Abstract
In non-small cell lung cancer (NSCLC) the most common alterations are identified in the Kirsten rat sarcoma viral oncogene homolog (KRAS) gene, accounting for approximately 30% of cases in Caucasian patients. The majority of mutations are located in exon 2, with the c.34G > T (p.G12C) change being the most prevalent. The clinical relevance of KRAS mutations in NSCLC was not recognized until a few years ago. What is now emerging is a dual key role played by KRAS mutations in the management of NSCLC patients. First, recent data report that KRAS-mutant lung AC patients generally have poorer overall survival (OS). Second, a KRAS inhibitor specifically targeting the c.34G > T (p.G12C) variant, Sotorasib, has been approved by the U.S. Food and Drug Administration (FDA) and by the European Medicines Agency. Another KRAS inhibitor targeting c.34G > T (p.G12C), Adagrasib, is currently being reviewed by the FDA for accelerated approval. From the description of the biology of KRAS-mutant NSCLC, the present review will focus on the clinical aspects of KRAS mutations in NSCLC, in particular on the emerging efficacy data of Sotorasib and other KRAS inhibitors, including mechanisms of resistance. Finally, the interaction between KRAS mutations and immune checkpoint inhibitors will be discussed.
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Désage AL, Léonce C, Swalduz A, Ortiz-Cuaran S. Targeting KRAS Mutant in Non-Small Cell Lung Cancer: Novel Insights Into Therapeutic Strategies. Front Oncol 2022; 12:796832. [PMID: 35251972 PMCID: PMC8889932 DOI: 10.3389/fonc.2022.796832] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Accepted: 01/07/2022] [Indexed: 12/17/2022] Open
Abstract
Although KRAS-activating mutations represent the most common oncogenic driver in non-small cell lung cancer (NSCLC), various attempts to inhibit KRAS failed in the past decade. KRAS mutations are associated with a poor prognosis and a poor response to standard therapeutic regimen. The recent development of new therapeutic agents (i.e., adagrasib, sotorasib) that target specifically KRAS G12C in its GDP-bound state has evidenced an unprecedented success in the treatment of this subgroup of patients. Despite providing pre-clinical and clinical efficacy, several mechanisms of acquired resistance to KRAS G12C inhibitors have been reported. In this setting, combined therapeutic strategies including inhibition of either SHP2, SOS1 or downstream effectors of KRAS G12C seem particularly interesting to overcome acquired resistance. In this review, we will discuss the novel therapeutic strategies targeting KRAS G12C and promising approaches of combined therapy to overcome acquired resistance to KRAS G12C inhibitors.
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Affiliation(s)
- Anne-Laure Désage
- Univ Lyon, Claude Bernard Lyon 1 University, INSERM 1052, CNRS 5286, Centre Léon Bérard, Cancer Research Center of Lyon, Lyon, France.,Department of Pulmonology and Thoracic Oncology, North Hospital, University Hospital of Saint-Etienne, Saint-Etienne, France
| | - Camille Léonce
- Univ Lyon, Claude Bernard Lyon 1 University, INSERM 1052, CNRS 5286, Centre Léon Bérard, Cancer Research Center of Lyon, Lyon, France
| | - Aurélie Swalduz
- Univ Lyon, Claude Bernard Lyon 1 University, INSERM 1052, CNRS 5286, Centre Léon Bérard, Cancer Research Center of Lyon, Lyon, France.,Department of Medical Oncology, Centre Léon Bérard, Lyon, France
| | - Sandra Ortiz-Cuaran
- Univ Lyon, Claude Bernard Lyon 1 University, INSERM 1052, CNRS 5286, Centre Léon Bérard, Cancer Research Center of Lyon, Lyon, France
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Feng HB, Chen Y, Xie Z, Jiang J, Zhong YM, Guo WB, Yan WQ, Lv ZY, Lu DX, Liang HL, Xu FP, Yang JJ, Yang XN, Zhou Q, Zhang DK, Zhang Z, Chuai SK, Zhang HH, Wu YL, Zhang XC. High SHP2 expression determines the efficacy of PD-1/PD-L1 inhibitors in advanced KRAS mutant non-small cell lung cancer. Thorac Cancer 2021; 12:2564-2573. [PMID: 34490728 PMCID: PMC8487814 DOI: 10.1111/1759-7714.14137] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 08/18/2021] [Accepted: 08/18/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Src homology region 2 domain-containing phosphatase 2 (SHP2) is a novel target for Kirsten rat sarcoma oncogene (KRAS) mutant cancer. We retrospectively studied the significance of SHP2 in KRAS mutant non-small cell lung cancer (NSCLC) treated with immunotherapy and its relationship with tumor microenvironment (TME). METHODS Sixty-one advanced KRAS mutant NSCLC patients who underwent immunotherapy were enrolled. Next-generation sequencing (NGS) was used to profile mutation status. The expression of SHP2, phospho-SHP2 (pSHP2), and programmed death ligand 1 (PD-L1) were analyzed by immunohistochemistry (IHC). Quantitative multiplexed immunofluorescence cytochemistry (mIFC) analysis was conducted to describe the TME. RESULTS SHP2 was heterogeneously expressed in 32 samples in both tumor cells and immune cells and highly expressed (H-score >10) in 25 (78.1%) samples. The expression levels of SHP2 and pSHP2 were positively correlated. Stromal SHP2 (s-SHP2) was higher in tumors with PD-L1 ≥50% versus PD-L1 <50% (p = 0.039). By quantitative mIFC analysis, the expression of s-SHP2 had positive correlation with CD8, CD4, CD68, and PD-L1 levels in stromal area. Patients with high SHP2 expression made up 100.0% of the partial respond (PR) and 80.0% of the stable disease (SD), whereas 50.0% of the progress disease (PD). High SHP2 expression was associated with longer progression-free survival (PFS) and overall survival (OS) (p < 0.001, p = 0.013). Patients with high expression of both SHP2 and PD-L1 had longer PFS (p < 0.001). CONCLUSION High SHP2 expression could predict the efficacy of immunotherapy and better survival in advanced KRAS mutant NSCLC. SHP2 may function in both tumor cells and immune cells, warranting further study on the potential diverse effects of SHP2 inhibition in TME.
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Affiliation(s)
- Hui-Bo Feng
- Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Medical Research Institute, Guangdong Provincial People's Hospital and Guangdong Academy of Medical Sciences, School of Medicine, South China University of Technology, Guangzhou, China
| | - Yu Chen
- Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Medical Research Institute, Guangdong Provincial People's Hospital and Guangdong Academy of Medical Sciences, School of Medicine, South China University of Technology, Guangzhou, China
| | - Zhi Xie
- Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Medical Research Institute, Guangdong Provincial People's Hospital and Guangdong Academy of Medical Sciences, School of Medicine, South China University of Technology, Guangzhou, China
| | - Jie Jiang
- Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Medical Research Institute, Guangdong Provincial People's Hospital and Guangdong Academy of Medical Sciences, School of Medicine, South China University of Technology, Guangzhou, China
| | - Yu-Min Zhong
- Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Medical Research Institute, Guangdong Provincial People's Hospital and Guangdong Academy of Medical Sciences, School of Medicine, South China University of Technology, Guangzhou, China
| | - Wei-Bang Guo
- Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Medical Research Institute, Guangdong Provincial People's Hospital and Guangdong Academy of Medical Sciences, School of Medicine, South China University of Technology, Guangzhou, China
| | - Wen-Qing Yan
- Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Medical Research Institute, Guangdong Provincial People's Hospital and Guangdong Academy of Medical Sciences, School of Medicine, South China University of Technology, Guangzhou, China
| | - Zhi-Yi Lv
- Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Medical Research Institute, Guangdong Provincial People's Hospital and Guangdong Academy of Medical Sciences, School of Medicine, South China University of Technology, Guangzhou, China
| | - Dan-Xia Lu
- Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Medical Research Institute, Guangdong Provincial People's Hospital and Guangdong Academy of Medical Sciences, School of Medicine, South China University of Technology, Guangzhou, China
| | - Hong-Ling Liang
- Department of Surgical Oncology, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, China
| | - Fang-Ping Xu
- Department of Pathology and Laboratory Medicine, Guangdong Provincial People's Hospital and Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Jin-Ji Yang
- Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Medical Research Institute, Guangdong Provincial People's Hospital and Guangdong Academy of Medical Sciences, School of Medicine, South China University of Technology, Guangzhou, China.,The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Xue-Ning Yang
- Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Medical Research Institute, Guangdong Provincial People's Hospital and Guangdong Academy of Medical Sciences, School of Medicine, South China University of Technology, Guangzhou, China
| | - Qing Zhou
- Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Medical Research Institute, Guangdong Provincial People's Hospital and Guangdong Academy of Medical Sciences, School of Medicine, South China University of Technology, Guangzhou, China.,The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Dong-Kun Zhang
- Department of Thoracic Surgery, Guangdong Provincial People's Hospital and Guangdong Academy of Medical Sciences, Guangzhou, China
| | | | | | | | - Yi-Long Wu
- Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Medical Research Institute, Guangdong Provincial People's Hospital and Guangdong Academy of Medical Sciences, School of Medicine, South China University of Technology, Guangzhou, China.,The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Xu-Chao Zhang
- Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Medical Research Institute, Guangdong Provincial People's Hospital and Guangdong Academy of Medical Sciences, School of Medicine, South China University of Technology, Guangzhou, China
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