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Wang YF, Lin YK, Lin CP, Chen YJ, Chang CJ. NM23-H1 Expression of Head and Neck Squamous Cell Carcinoma in Association With the Response to Irradiation. Front Oncol 2021; 11:646167. [PMID: 33859945 PMCID: PMC8042278 DOI: 10.3389/fonc.2021.646167] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Accepted: 03/15/2021] [Indexed: 12/26/2022] Open
Abstract
A low NM23-H1 expression in head and neck squamous cell carcinoma (HNSCC) was found to be associated with poor clinical outcome. Therefore, we investigated the role of NM23-H1 in the susceptibility of HNSCC cells to irradiation and its clinical significance. An in vitro study was also conducted to validate the results. Furthermore, we used immunohistochemistry to analyze NM23-H1 expression found in specimens of 50 HNSCC patients with cervical metastases receiving postoperative radiotherapy. Low tumor NM23-H1 expression was associated with locoregional recurrence of HNSCC (p=0.040; Hazard ratio=5.62) and poor clinical outcome (p=0.001; Hazard ratio=4.90). To confirm the effect of NM23-H1 on radiation-induced cytotoxicity, we generated several stable clones derived from a human HNSCC cell line (SAS) using knockdown and overexpression of NM23-H1. Knockdown of NM23-H1 decreased the radio-sensitivity of SAS cells, possibly associated with a decrease in the radiation-induced G2/M-phase accumulation and upregulation of cyclin B1. On the contrary, overexpression of NM23-H1 can reverse the aforementioned adverse results. Consequently, we suggest that NM23-H1 expression may be considered as a potential therapeutic treatment option for HNSCC patients.
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Affiliation(s)
- Yi-Fen Wang
- Department of Otorhinolaryngology and Head and Neck Surgery, Taipei Veterans General Hospital, Taipei, Taiwan.,Department of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Yi-Ke Lin
- Department of Otorhinolaryngology and Head and Neck Surgery, Taipei Veterans General Hospital, Taipei, Taiwan.,Department of Food Science, National Taiwan Ocean University, Keelung, Taiwan
| | - Chin-Ping Lin
- Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
| | - Yu-Jen Chen
- Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan.,Institute of Traditional Medicine, National Yang Ming University, Taipei, Taiwan.,Department of Radiation Oncology, MacKay Memorial Hospital, Taipei, Taiwan.,Department of Nursing, MacKay Junior College of Medicine, Nursing and Management, Taipei, Taiwan.,Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Chun-Ju Chang
- Department of Food Science, National Taiwan Ocean University, Keelung, Taiwan
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2
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Wang J, Chen T, Yu X, OUYang N, Tan L, Jia B, Tong J, Li J. Identification and validation of smoking-related genes in lung adenocarcinoma using an in vitro carcinogenesis model and bioinformatics analysis. J Transl Med 2020; 18:313. [PMID: 32795291 PMCID: PMC7427766 DOI: 10.1186/s12967-020-02474-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 07/30/2020] [Indexed: 12/24/2022] Open
Abstract
Background Lung cancer is one of the most common carcinomas in the world, and lung adenocarcinoma (LUAD) is the most lethal and most common subtype of lung cancer. Cigarette smoking is the most leading risk factor of lung cancer, but it is still unclear how normal lung cells become cancerous in cigarette smokers. This study aims to identify potential smoking-related biomarkers associated with the progression and prognosis of LUAD, as well as their regulation mechanism using an in vitro carcinogenesis model and bioinformatics analysis. Results Based on the integration analysis of four Gene Expression Omnibus (GEO) datasets and our mRNA sequencing analysis, 2 up-regulated and 11 down-regulated genes were identified in both S30 cells and LUAD. By analyzing the LUAD dataset in The Cancer Gene Analysis (TCGA) database, 3 of the 13 genes, viz., glycophorin C (GYPC), NME/NM23 nucleoside diphosphate kinase 1 (NME1) and slit guidance ligand 2 (SLIT2), were found to be significantly correlated with LUAD patients’ smoking history. The expression levels of GYPC, NME1 and SLIT2 in S30 cells and lung cancer cell lines were validated by quantitative PCR, immunofluorescence, and western blot assays. Besides, these three genes are associated with tumor invasion depth, and elevated expression of NME1 was correlated with lymph node metastasis. The enrichment analysis suggested that these genes were highly correlated to tumorigenesis and metastasis-related biological processes and pathways. Moreover, the increased expression levels of GYPC and SLIT2, as well as decreased expression of NME1 were associated with a favorable prognosis in LUAD patients. Furthermore, based on the multi-omics data in the TCGA database, these genes were found to be regulated by DNA methylation. Conclusion In conclusion, our observations indicated that the differential expression of GYPC, NME1 and SLIT2 may be regulated by DNA methylation, and they are associated with cigarette smoke-induced LUAD, as well as serve as prognostic factors in LUAD patients.
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Affiliation(s)
- Jin Wang
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Renai Road, Suzhou, 215123, China.,Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Renai Road, Suzhou, 215123, China
| | - Tao Chen
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Renai Road, Suzhou, 215123, China.,Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Renai Road, Suzhou, 215123, China
| | - Xiaofan Yu
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Renai Road, Suzhou, 215123, China.,Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Renai Road, Suzhou, 215123, China
| | - Nan OUYang
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Renai Road, Suzhou, 215123, China.,Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Renai Road, Suzhou, 215123, China
| | - Lirong Tan
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Renai Road, Suzhou, 215123, China.,Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Renai Road, Suzhou, 215123, China
| | - Beibei Jia
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Renai Road, Suzhou, 215123, China.,Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Renai Road, Suzhou, 215123, China
| | - Jian Tong
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Renai Road, Suzhou, 215123, China.,Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Renai Road, Suzhou, 215123, China
| | - Jianxiang Li
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Renai Road, Suzhou, 215123, China. .,Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Renai Road, Suzhou, 215123, China.
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3
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Liu L, Li M, Zhang C, Zhang J, Li G, Zhang Z, He X, Fan M. Prognostic value and clinicopathologic significance of nm23 in various cancers: A systematic review and meta-analysis. Int J Surg 2018; 60:257-265. [PMID: 30389538 DOI: 10.1016/j.ijsu.2018.10.035] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2018] [Revised: 09/10/2018] [Accepted: 10/23/2018] [Indexed: 01/30/2023]
Abstract
OBJECTIVE Extensive studies have been carried out to investigate the association between nm23 expression and the prognosis and clinicopathologic significance of various tumors. METHODS AND MATERIALS Eligible studies were searched from Embase, China National Knowledge Infrastructure (CNKI), PubMed and Web of Science up to May 2017. In this study, we calculated the pooled hazard ratios (HRs) with 95% confidence intervals (95%CIs) to determine the association between nm23 expression and the prognosis of various tumors. RESULTS A total of 49 studies were finally included in the meta-analysis. The pooled HRs were 2.00 (95% CIs: 1.44-2.78) for overall survival (OS), 1.23 (95% CIs: 1.04-1.46) for disease-specific survival or progression-free survival (DFS/PFS), and 2.21 (95% CIs: 1.38-3.57) for survival of recurrence-free survival or metastasis-free survival (RFS/MFS). Moreover, the results indicated that low nm23 expression was significantly correlated with the lymph node metastasis (P = 0.002). For the subgroup analysis, the expression of nm23 in patients at N0 stage was obviously higher than the patients with breast carcinoma at N1-N3 stage [Odds ratio (OR) = 2.07, 95%CI (1.31, 3.26), P = 0.002]. Moreover, the expression of nm23 in the patients at N0 stage was remarkably higher than those at N1-N3 stages in the Chinese patients with breast carcinoma and those with nasopharyngeal carcinoma (P < 0.05). Whereas, no statistical difference was noticed in the expression of nm23 in patients of various age, gender, T stage, histological degree, TNM stage, respectively (P > 0.05). CONCLUSION Our study suggests that down-regulation of nm23 is related to poor prognosis in many cancers. The expression of nm23 in cancer tissues may serve as an important factor for evaluating the presence of lymph node metastasis.
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Affiliation(s)
- Liang Liu
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, 200032, PR China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, PR China
| | - Man Li
- Department of Otolaryngology-Head and Neck Surgery, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, PR China
| | - Chengdong Zhang
- School of Life Sciences, Fudan University, Shanghai, 200082, PR China
| | - Junhua Zhang
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, 200032, PR China
| | - Guoyi Li
- Department of Otolaryngology-Head and Neck Surgery, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, PR China
| | - Zhimin Zhang
- Department of Otolaryngology-Head and Neck Surgery, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, PR China
| | - Xinhong He
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, PR China; Department of Interventional Radiology, Shanghai Cancer Center, Fudan University, 200032, PR China.
| | - Min Fan
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, 200032, PR China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, PR China.
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NDPKA is not just a metastasis suppressor - be aware of its metastasis-promoting role in neuroblastoma. J Transl Med 2018; 98:219-227. [PMID: 28991262 DOI: 10.1038/labinvest.2017.105] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 07/22/2017] [Accepted: 07/24/2017] [Indexed: 12/20/2022] Open
Abstract
NDPK-A, encoded by nm23-H1 (also known as NME1) was the first metastasis suppressor discovered. Much of the attention has been focused on the metastasis-suppressing role of NDPK-A in human tumors, including breast carcinoma and melanoma. However, compelling evidence points to a metastasis-promoting role of NDPK-A in certain tumors such as neuroblastoma and lymphoma. To balance attention on this contrariety of NDPK-A in different cancer types, this review addresses the metastasis-promoting role of NDPK-A in neuroblastoma. Neuroblastoma is an embryonic tumor, arising from neural crest cells that fail to differentiate into the sympathetic nervous system. We summarize and discuss nm23-H1 genetics and the prognosis of neuroblastoma, structural and functional changes associated with the S120G mutation of NDPK-A, as well as the evidence supporting the role of NDPK-A as a metastasis promoter. Also discussed are the NDPK-A relevant molecular determinants of neuroblastoma metastasis, and metastasis-relevant neural crest development. Because of NDPK-A's dichotomous role in tumor metastasis as both a suppressor and a promoter, tumor genome/exome profiles are necessary to identify the molecular drivers of metastasis in the NDPK-A network for developing tumor-specific therapies.
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Kuo KT, Chen CL, Chou TY, Yeh CT, Lee WH, Wang LS. Nm23H1 mediates tumor invasion in esophageal squamous cell carcinoma by regulation of CLDN1 through the AKT signaling. Oncogenesis 2016; 5:e239. [PMID: 27376780 PMCID: PMC4972901 DOI: 10.1038/oncsis.2016.46] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Revised: 04/28/2016] [Accepted: 05/16/2016] [Indexed: 12/15/2022] Open
Abstract
Esophageal cancer is a lethal malignancy worldwide. Previously, low expression of metastasis suppressor Nm23H1 and tight junction (TJ) protein claudin-1 (CLDN1) have been known to correlate with poor prognosis in esophageal squamous cell carcinoma (ESCC). However, the molecular interaction between them has not been clarified. In the present study, we first examined the expression of Nm23H1 and CLDN1 in 74 surgical ESCC samples by immunohistochemistry (IHC) to verify their clinicopathologic significance. The biologic effects of Nm23H1 gene silencing or overexpression in ESCC cell lines were then studied by migration and invasion studies, and its regulation on CLDN1 expression was also investigated by western blot analysis. Moreover, the expression of Nm23H1 and CLDN1 at the same invasion front of ESCC tumors was verified by immunofluorescence. The results showed a significantly positive correlation between the expression of Nm23H1 and CLDN1 (γ=0.296, P=0.011) in surgical specimens, especially for the 34 tumors with lymph-node metastasis (γ=0.455, P=0.007). In ESCC cell lines, silencing of Nm23H1 expression markedly enhanced cell invasiveness, accompanied by increased Akt phosphorylation and decreased CLDN1 expression. Conversely, Nm23H1-expressed transfectants exhibited reduced invasiveness, decreased Akt phosphorylation and correspondingly increased CLDN1 expression. Regain of CLDN1 expression in ESCC cells significantly suppressed invasiveness, but did not influence the Akt phosphorylation. Moreover, treating Nm23H1-depleted cells with the AKT inhibitor MK2206 recovered CLDN1 expression, and diminished the invasiveness of ESCC cells. Finally, decreased expressions of both CLDN1 and E-cadherin were observed at the invasive front of the Nm23H1-negative tumors. Overall, our current study documented that reduced Nm23H1 expression activates the AKT signaling pathway, results in diminished CLDN1 expression and potentiates invasiveness of ESCC cells. Enhancement of Nm23H1 expression, inhibition of the AKT signaling pathway, or combined, might be a potential treatment strategy in selective ESCC patients.
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Affiliation(s)
- K-T Kuo
- Division of Thoracic Surgery, Department of Surgery, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan.,Division of Thoracic Surgery, Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - C-L Chen
- Translational Research Laboratory, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan
| | - T-Y Chou
- Department of Pathology and Laboratory Medicine, Taipei Veterans General Hospital, Taipei, Taiwan.,Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan
| | - C-T Yeh
- Translational Research Laboratory, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan
| | - W-H Lee
- Department of Pathology, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan
| | - L-S Wang
- Division of Thoracic Surgery, Department of Surgery, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan.,Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
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6
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Wang YF, Chang CJ, Chiu JH, Lin CP, Li WY, Chang SY, Chu PY, Tai SK, Chen YJ. NM23-H1 expression of head and neck squamous cell carcinoma in association with the response to cisplatin treatment. Oncotarget 2015; 5:7392-405. [PMID: 25277180 PMCID: PMC4202131 DOI: 10.18632/oncotarget.1912] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
We recently reported that low NM23-H1 expression of head and neck squamous cell carcinoma (HNSCC) correlated with poor patients' prognosis. Growing evidence has indicated that high tumor NM23-H1 expression contributes to a good response to chemotherapy. Therefore, we investigated the role of NM23-H1 in susceptibility of HNSCC cells to cisplatin and its clinical significance, as well as the in vitro study for validation was performed. Using immunohistochemistry, we analyzed NM23-H1 expression in surgical specimens from 46 HNSCC patients with cervical metastases receiving surgery and adjuvant chemoradiotherapy. Low tumor NM23-H1 expression correlated with locoregional recurrence of HNSCC following postoperative cisplatin-based therapy (p = 0.056) and poor patient prognosis (p = 0.001). To validate the clinical observation and the effect of NM23-H1 on cisplatin cytotoxicity, we established several stable clones derived from a human HNSCC cell line (SAS) by knockdown and overexpression. Knockdown of NM23-H1 attenuated the chemosensitivity of SAS cells to cisplatin, which was associated with reduced cisplatin-induced S-phase accumulation and downregulation of cyclin E1 and A. Overexpression of NM23-H1 reversed these results, indicating the essential role of NM23-H1 in treatment response to cisplatin. NM23-H1 may participate in HNSCC cell responses to cisplatin and be considered a potential therapeutic target.
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Affiliation(s)
- Yi-Fen Wang
- Department of Otorhinolaryngology and Head and Neck Surgery, Taipei Veterans General Hospital, Taipei, Taiwan. Department of Medicine, National Yang Ming University, Taipei, Taiwan
| | - Chun-Ju Chang
- Department of Food Science, National Taiwan Ocean University, Keelung, Taiwan
| | - Jen-Hwey Chiu
- Institute of Traditional Medicine, National Yang Ming University, Taipei, Taiwan
| | - Chin-Ping Lin
- Department of Medical Research, Mackay Memorial Hospital, Taipei, Taiwan
| | - Wing-Yin Li
- Department of Medicine, National Yang Ming University, Taipei, Taiwan. Department of Pathology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Shyue-Yih Chang
- Department of Otorhinolaryngology and Head and Neck Surgery, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Pen-Yuan Chu
- Department of Otorhinolaryngology and Head and Neck Surgery, Taipei Veterans General Hospital, Taipei, Taiwan. Department of Medicine, National Yang Ming University, Taipei, Taiwan
| | - Shyh-Kuan Tai
- Department of Otorhinolaryngology and Head and Neck Surgery, Taipei Veterans General Hospital, Taipei, Taiwan. Department of Medicine, National Yang Ming University, Taipei, Taiwan
| | - Yu-Jen Chen
- Institute of Traditional Medicine, National Yang Ming University, Taipei, Taiwan. Department of Medical Research, Mackay Memorial Hospital, Taipei, Taiwan. Department of Radiation Oncology, Mackay Memorial Hospital, Taipei, Taiwan
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7
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McDermott N, Meunier A, Lynch TH, Hollywood D, Marignol L. Isogenic radiation resistant cell lines: development and validation strategies. Int J Radiat Biol 2014; 90:115-26. [PMID: 24350914 DOI: 10.3109/09553002.2014.873557] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
PURPOSE The comparison of cell lines with differing radiosensitivities and their molecular response to radiation exposure has been used in a number of human cancer models to study the molecular response to radiation. This review proposes to analyze and compare the protocols used by investigators for the development and validation of these isogenic models of radioresistance. CONCLUSION There is large variability in the strategies used to generate and validate isogenic models of radioresistance. Further characterization of these models is required.
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Affiliation(s)
- Niamh McDermott
- Radiation and Urologic Oncology, Applied Radiation Therapy Trinity and Prostate Molecular Oncology Research Group, Discipline of Radiation Therapy, Trinity College Dublin , Ireland
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Abstract
Metastasis is a major cause of cancer mortality. Metastasis is a complex process that requires the regulation of both metastasis-promoting and metastasis suppressor genes. The discovery of metastasis suppressor genes contributes significantly to our understanding of metastasis mechanisms and provides prognostic markers and therapeutic targets in clinical cancer management. In this review, we summarize the methods that have been used to identify metastasis suppressors and the potential clinical impact of these genes.
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Affiliation(s)
- Jinchun Yan
- University of Washington Medical Center, Seattle, WA, USA.
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9
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Marino N, Nakayama J, Collins JW, Steeg PS. Insights into the biology and prevention of tumor metastasis provided by the Nm23 metastasis suppressor gene. Cancer Metastasis Rev 2013; 31:593-603. [PMID: 22706779 DOI: 10.1007/s10555-012-9374-8] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Metastatic disease is the major cause of death among cancer patients. A class of genes, named metastasis suppressors, has been described to specifically regulate the metastatic process. The metastasis suppressor genes are downregulated in the metastatic lesion compared to the primary tumor. In this review, we describe the body of research surrounding the first metastasis suppressor identified, Nm23. Nm23 overexpression in aggressive cancer cell lines reduced their metastatic potential in vivo with no significant reduction in primary tumor size. A complex mechanism of anti-metastatic action is unfolding involving several known Nm23 enzymatic activities (nucleotide diphosphate kinase, histidine kinase, and 3'-5' exonuclease), protein-protein interactions, and downstream gene regulation properties. Translational approaches involving Nm23 have progressed to the clinic. The upregulation of Nm23 expression by medroxyprogesterone acetate has been tested in a phase II trial. Other approaches with significant preclinical success include gene therapy using traditional or nanoparticle delivery, and cell permeable Nm23 protein. Recently, based on the inverse correlation of Nm23 and LPA1 expression, a LPA1 inhibitor has been shown to both inhibit metastasis and induce metastatic dormancy.
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Affiliation(s)
- Natascia Marino
- Women's Cancers Section, Laboratory of Molecular Pharmacology, Center for Cancer Research, National Cancer Institute, 37 Convent Drive, Room 1122, Bethesda, MD 20892, USA.
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10
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Immunoexpression of claudin-1 and Nm23-H1 in metastatic and nonmetastatic lower lip squamous-cell carcinoma. Appl Immunohistochem Mol Morphol 2013; 20:595-601. [PMID: 22531683 DOI: 10.1097/pai.0b013e3182505c22] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The aim of this study was to evaluate the immunoexpression of claudin-1 and Nm23-H1 in metastatic and nonmetastatic lower lip squamous-cell carcinoma (LLSCC). Twenty LLSCCs with regional nodal metastasis and 20 LLSCCs without metastases were selected. The percentage of claudin-1 staining and the staining intensity and percentage of Nm23-H1 staining in each tumor core were assessed. Metastatic tumors exhibited higher expression of claudin-1 than nonmetastatic tumors (P = 0.030). Similarly, stage III and IV LLSCCs showed higher expression of claudin-1 than stages I and II (P = 0.026). The percentage of claudin-1 staining was scored as 2 in most well-differentiated and moderately differentiated tumors, whereas poorly differentiated tumors showed a relatively similar distribution of scores 2, 1, and 0 (P = 0.648). Regarding Nm23-H1, there was a predominance of negative cases for both metastatic and nonmetastatic tumors (P = 0.235). In addition, no significant differences in the percentage of Nm23-H1-negative and Nm23-H1-positive cases were observed regarding the clinical staging (P = 0.430) and the histologic grading of malignancy (P = 0.702). The results of this study suggest an important role of claudin-1 in the development of metastasis in LLSCCs. In contrast, the present findings do not support a significant role of Nm23-H1 in metastasis suppression of LLSCC.
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11
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Prabhu VV, Siddikuzzaman, Grace VMB, Guruvayoorappan C. Targeting tumor metastasis by regulating Nm23 gene expression. Asian Pac J Cancer Prev 2013; 13:3539-48. [PMID: 23098432 DOI: 10.7314/apjcp.2012.13.8.3539] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
The Nm23 gene is a metastatic suppressor identified in a melanoma cell line and expressed in different tumors where their levels of expression are associated with reduced or increased metastatic potential. Nm23 is one of the over 20 metastasis suppressor genes (MSGs) confirmed in vivo. It is highly conserved from yeast to human, implying a critical developmental function. Tumors with alteration of the p53 gene and reduced expression of the Nm23 gene are more prone to metastasis. Nm23-H1 has 3'-5' exonuclease activity. This review focuses on the role of Nm23 in cancer progression and also a potential novel target for cancer therapy.
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Affiliation(s)
- V Vinod Prabhu
- Department of Biotechnology, Karunya University, Karunya Nagar, Coimbatore, Tamil Nadu, India
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12
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Marioni G, Ottaviano G, Lionello M, Lora L, Lovato A, Staffieri C, Favaretto N, Giacomelli L, Stellini E, Staffieri A, Blandamura S. Nm23-H1 nuclear expression is associated with a more favourable prognosis in laryngeal carcinoma: univariate and multivariate analysis. Histopathology 2012; 61:1057-64. [PMID: 22978449 DOI: 10.1111/j.1365-2559.2012.04331.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
AIMS To use image analysis and multivariate analysis to investigate the prognostic significance of Nm23-H1 subcellular localization in a large cohort of laryngeal squamous cell carcinomas (LSCCs). METHODS AND RESULTS Nm23-H1 total and nuclear levels were immunohistochemically determined and calculated with an image analysis system in 104 consecutively operated LSCCs. The mean follow-up was 58.3 ± 35.1 months (median 45 months). Total Nm23-H1 levels correlated only with patient stratification by pT (P=0.01). Mean nuclear Nm23-H1 levels were lower in patients with recurrent disease (P=0.01), and disease-free survival (DFS) was longer in patients whose nuclear levels of Nm23-H1 were >2.0% than in those with levels ≤ 2.0% (P=0.019). On multivariate analysis, Nm23-H1 nuclear expression [hazard ratio (HR) 2.59, P=0.005] and N stage (HR 3.60, P=0.0001) were prognostically significant in relation to DFS. CONCLUSIONS In LSCC, Nm23-H1 nuclear expression may be useful for identifying patients at higher risk of recurrence after treatment and who might be considered for more aggressive therapy. Further investigations are needed before Nm23-H1 can be considered for use in targeted treatments for LSCC.
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Affiliation(s)
- Gino Marioni
- Department of Neurosciences, Otolaryngology Section, University of Padova, Padova, Italy.
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13
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Wang YF, Chang CJ, Lin CP, Chang SY, Chu PY, Tai SK, Li WY, Chao KSC, Chen YJ. Expression of hedgehog signaling molecules as a prognostic indicator of oral squamous cell carcinoma. Head Neck 2012; 34:1556-61. [PMID: 22287313 DOI: 10.1002/hed.21958] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2011] [Revised: 07/29/2011] [Accepted: 09/06/2011] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Recent studies have indicated hedgehog pathway plays a role in carcinogenesis of certain cancers. We investigated the clinical significance of its signaling components, including Sonic hedgehog (Shh), Patched (Ptch), and Gli-1, in oral squamous cell carcinoma (OSCC). METHODS By immunohistochemistry, we determined Shh, Ptch, and Gli-1 expression in surgical specimens from 40 patients with OSCC. The relationship between expression of these molecules and clinicopathologic variables were assessed by chi-square analysis. Statistical difference of survival was compared using log-rank test. RESULTS Ptch overexpression was associated with lymphatic metastasis (p = .028). Nuclear Gli-1 overexpression correlated with primary tumor size (p = .001), lymphatic metastasis (p = .011), and tumor recurrence (p = .008). Overexpression of Ptch (p = .020) or Gli-1 (p = .002) in OSCC indicated poor prognosis in the univariate survival analysis. CONCLUSION Our results suggest sonic hedgehog (Shh) pathway plays an important role in OSCC progression and should be considered a potential therapeutic target.
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Affiliation(s)
- Yi-Fen Wang
- Department of Otorhinolaryngology and Head and Neck Surgery, Taipei Veterans General Hospital, Taipei, Taiwan
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Kuo KT, Chou TY, Hsu HS, Chen WL, Wang LS. Prognostic Significance of NBS1 and Snail Expression in Esophageal Squamous Cell Carcinoma. Ann Surg Oncol 2011; 19 Suppl 3:S549-57. [DOI: 10.1245/s10434-011-2043-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2011] [Indexed: 11/18/2022]
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15
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Abstract
Over the past 25 years, an expanding set of metastasis-suppressor genes (MSGs) has been identified that specifically regulate metastasis formation without affecting primary growth. MSGs are involved in diverse molecular processes in multiple tumor types. Given the wealth of metastasis biology that underlies their functions, treatment strategies based on MSGs have an unparalleled potential to improve patient care. Using NM23 as a prime example, we discuss how specific MSGs have been used as prognostic markers, tools for predicting response to treatment, and targets for the development of novel therapies. Barriers specific to the translation of MSG biology into clinical practice are reviewed and future research directions necessary for clinical advances are delineated. Although to date the impact of MSGs on patient care is limited, it is an expanding field with vast potential to help develop new treatments and identify patients who will most benefit from them.
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16
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Hurst DR, Welch DR. Metastasis suppressor genes at the interface between the environment and tumor cell growth. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2011; 286:107-80. [PMID: 21199781 DOI: 10.1016/b978-0-12-385859-7.00003-3] [Citation(s) in RCA: 104] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The molecular mechanisms and genetic programs required for cancer metastasis are sometimes overlapping, but components are clearly distinct from those promoting growth of a primary tumor. Every sequential, rate-limiting step in the sequence of events leading to metastasis requires coordinated expression of multiple genes, necessary signaling events, and favorable environmental conditions or the ability to escape negative selection pressures. Metastasis suppressors are molecules that inhibit the process of metastasis without preventing growth of the primary tumor. The cellular processes regulated by metastasis suppressors are diverse and function at every step in the metastatic cascade. As we gain knowledge into the molecular mechanisms of metastasis suppressors and cofactors with which they interact, we learn more about the process, including appreciation that some are potential targets for therapy of metastasis, the most lethal aspect of cancer. Until now, metastasis suppressors have been described largely by their function. With greater appreciation of their biochemical mechanisms of action, the importance of context is increasingly recognized especially since tumor cells exist in myriad microenvironments. In this chapter, we assemble the evidence that selected molecules are indeed suppressors of metastasis, collate the data defining the biochemical mechanisms of action, and glean insights regarding how metastasis suppressors regulate tumor cell communication to-from microenvironments.
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Affiliation(s)
- Douglas R Hurst
- Department of Pathology, University of Alabama at Birmingham, Birmingham, Alabama, USA
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17
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Kim SH, Lee SY, Park HR, Sung JM, Park AR, Kang S, Kim BG, Choi YP, Kim YB, Cho NH. Nuclear localization of Nm23-H1 in head and neck squamous cell carcinoma is associated with radiation resistance. Cancer 2010; 117:1864-73. [PMID: 21509763 DOI: 10.1002/cncr.25760] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2010] [Revised: 09/20/2010] [Accepted: 10/01/2010] [Indexed: 12/17/2022]
Abstract
BACKGROUND Although radiation resistance is a primary issue in radiation therapy, attempts to find predictors of radiation resistance have met with little success. The authors therefore aimed to determine predictors for radiation resistance to improve the prognosis of head and neck squamous cell carcinoma (HNSCC). METHODS HNSCC cell lines, SCC15, SCC25, and QLL1, irradiated with an acute dose of 4 grays (Gy) (RR-4), a cumulative dose of 60 Gy (RR-60), and a booster dose of 4 Gy over 60 Gy (RR-60 + 4), were used with nonirradiated cell lines. Those were used in cDNA microarray, proteomics, Western blotting, and immunofluorescence, respectively. One hundred five HNSCC tissue samples with radiation resistance were analyzed by immunohistochemistry. RESULTS Western blot analysis of RR-60 cell lines was identical to the data of Nm23-H1 overexpression by cDNA array and proteomic screening. Immunofluorescence demonstrated significant nuclear translocation of Nm23-H1 in RR-4 and RR-60 cell lines, and less but still intense nuclear shuttling in RR-60 + 4. Similarly, Nm23-H1 nuclear localization was observed in 20% (21 of 105) of tissue samples. Univariate analysis demonstrated that Nm23-H1 nuclear localization was strongly associated with overall and recurrence-free survival. Multivariate stepwise Cox regression analysis showed that Nm23-H1 nuclear localization (odds ratio [OR], 7.48) and N stage (OR, 2.13) were associated with overall survival, and Nm23-H1 nuclear localization (OR, 3.02), T stage (OR, 1.43), and insufficient tumor margin (OR, 3.27) were associated with recurrence-free survival. CONCLUSIONS Overexpression of Nm23-H1, specifically its nuclear translocation, may be a powerful predictor of radiation resistance in HNSCC.
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Affiliation(s)
- Se-Heon Kim
- Brain Korea 21 Project for Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
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18
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Bago R, Pavelić J, Maravić Vlahovicek G, Bosnar MH. Nm23-H1 promotes adhesion of CAL 27 cells in vitro. Mol Carcinog 2009; 48:779-89. [PMID: 19263457 DOI: 10.1002/mc.20536] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
nm23-H1 was found to diminish metastatic potential of carcinoma cell lines and therefore was placed in the group of metastatic suppressor genes. Its protein product has a function of a nucleoside diphosphate kinase (NDPK) as well as protein kinase and nuclease. Though it was found that Nm23-H1 is involved in many cellular processes, it is still not known how it promotes metastatic suppressor activity. Since the process of metastasis is dependent on adhesion properties of cells, the goal of our work was to describe the adhesion properties of CAL 27 cells (oral squamous cell carcinoma of the tongue) overexpressing FLAG/nm23-H1. In our experiments, cells overexpressing nm23-H1 show reduced migratory and invasive potential. Additionally, cells overexpressing nm23-H1 adhere stronger on substrates (collagen IV and fibronectin) and show more spread morphology than the control cells. Results obtained by EGF induction of migration revealed that the adhesion strength predetermined cell response to chemoattractant and that Nm23-H1, in this cell type, does not interfere with, EGF induced, Ras signaling pathway. These data contribute to the overall knowledge about nm23-H1 and its role in cell adhesion, migration, and invasion, especially in oral squamous cell carcinoma.
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Affiliation(s)
- Ruzica Bago
- Rudjer Boskovic Institute, Division of Molecular Medicine, Laboratory for Molecular Oncology, 10 002 Zagreb, Croatia
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19
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Suwinski R, Jaworska M, Nikiel B, Grzegorz W, Bankowska-Wozniak M, Wojciech M, Krzysztof S, Dariusz L. Predicting the effect of accelerated fractionation in postoperative radiotherapy for head and neck cancer based on molecular marker profiles: data from a randomized clinical trial. Int J Radiat Oncol Biol Phys 2009; 77:438-46. [PMID: 19733016 DOI: 10.1016/j.ijrobp.2009.05.021] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2008] [Revised: 04/18/2009] [Accepted: 05/09/2009] [Indexed: 11/28/2022]
Abstract
PURPOSE To determine the prognostic and predictive values of molecular marker expression profiles based on data from a randomized clinical trial of postoperative conventional fractionation (p-CF) therapy versus 7-day-per-week postoperative continuous accelerated irradiation (p-CAIR) therapy for squamous cell cancer of the head and neck. METHODS AND MATERIALS Tumor samples from 148 patients (72 p-CF and 76 p-CAIR patients) were available for molecular studies. Immunohistochemistry was used to assess levels of EGFR, nm23, Ki-67, p-53, and cyclin D1 expression. To evaluate the effect of fractionation relative to the expression profiles, data for locoregional tumor control (LRC) were analyzed using the Cox proportional hazard regression model. Survival curves were compared using the Cox f test. RESULTS Patients who had tumors with low Ki-67, low p-53, and high EGFR expression levels and oral cavity/oropharyngeal primary cancer sites tended to benefit from p-CAIR. A joint score for the gain in LRC from p-CAIR based of these features was used to separate the patients into two groups: those who benefited significantly from p-CAIR with respect to LRC (n = 49 patients; 5-year LRC of 28% vs. 68%; p = 0.01) and those who did not benefit from p-CAIR (n = 99 patients; 5-year LRC of 72% vs. 66%; p = 0.38). The nm23 expression level appeared useful as a prognostic factor but not as a predictor of fractionation effect. CONCLUSIONS These results support the studies that demonstrate the potential of molecular profiles to predict the benefit from accelerated radiotherapy. The molecular profile that favored accelerated treatment (low Ki-67, low p-53, and high EGFR expression) was in a good accordance with results provided by other investigators. Combining individual predictors in a joint score may improve their predictive potential.
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Affiliation(s)
- Rafal Suwinski
- Department of Radiation Oncology, Center of Oncology, Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch, Poland.
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20
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Kuo KT, Wang HW, Chou TY, Hsu WH, Hsu HS, Lin CH, Wang LS. Prognostic role of PGE2 receptor EP2 in esophageal squamous cell carcinoma. Ann Surg Oncol 2008; 16:352-60. [PMID: 19050969 DOI: 10.1245/s10434-008-0242-2] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2008] [Revised: 10/27/2008] [Accepted: 10/28/2008] [Indexed: 12/18/2022]
Abstract
Prostaglandin E2 (PGE2), a major cyclooxygenase-2 (COX-2) product, has been shown to affect numerous tumorigenic processes. PGE2 acts through G-protein-coupled receptors designated as EPs. Recently it has been documented that PGE2 promotes colon cancer cell growth via EP2. However, the expression and the prognostic role of EP2 in esophageal squamous cell carcinoma (ESCC) remained unknown. From January 1995 to January 2001, tissue samples from 226 patients with ESCC who underwent esophagectomies at our institutions were collected and made into tissue core arrays for study. EP2 expression was examined by immunohistochemical staining and confirmed by Western blot. The clinicopathologic data were then analyzed. EP2 overexpression was observed in 43.4% (98/226) of ESCC. Overexpression of EP2 correlated positively with depth of tumor invasion (T status) (P = 0.016) and was associated with worse overall survival (P = 0.047). In patients without regional or distant lymph node metastasis (N0 or M0), EP2 overexpression was associated with worse overall survival (P = 0.033 and P = 0.003, respectively). Using Cox regression analysis, T status, N status, and M status were the independent factors of overall survival, but EP2 expression was not. However, when focusing on patients with T1-3N0M0 status, EP2 expression became an independent factor of overall survival (P = 0.048). Our results show that EP2 overexpression was associated with worse prognosis, and correlated positively with T status in ESCC. Meanwhile, among those patients at earlier stages, EP2 overexpression significantly disclosed patients at high risks for poor prognosis.
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Affiliation(s)
- Kuang-Tai Kuo
- Department of Surgery, Buddhist Tzu Chi General Hospital, Taipei, Taiwan
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21
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Steeg PS, Horak CE, Miller KD. Clinical-translational approaches to the Nm23-H1 metastasis suppressor. Clin Cancer Res 2008; 14:5006-12. [PMID: 18698018 DOI: 10.1158/1078-0432.ccr-08-0238] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Nm23-H1 significantly reduces metastasis without effects on primary tumor size and was the first discovered metastasis suppressor gene. At least three mechanisms are thought to contribute to the metastasis-suppressive effect of Nm23-H1: (a) its histidine kinase activity toward ATP-citrate lyase, aldolase C, and the kinase suppressor of ras, with the last inactivating mitogen-activated protein kinase signaling; (b) binding proteins that titer out "free" Nm23-H1 and inhibit its ability to suppress metastasis; and (c) altered gene expression downstream of Nm23-H1, particularly an inverse association with the lysophosphatidic acid receptor endothelial differentiation gene-28 (EDG2). Most metastasis suppressor genes, including Nm23-H1, affect metastatic colonization, which is the outgrowth of tumor cells in distant locations; therefore, they are of high translational interest. A phase II trial is ongoing to test the hypothesis that a compound, high-dose medroxyprogesterone acetate (MPA), used as an unconventional gluocorticoid, will stimulate breast cancer cells to reexpress Nm23-H1 and limit subsequent metastatic colonization.
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Affiliation(s)
- Patricia S Steeg
- Women's Cancers Section, Laboratory of Molecular Pharmacology, Center for Cancer Research, National Cancer Institute, 37 Convent Drive, Bethesda, MD 20892, USA.
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22
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Dantas da Silveira EJ, Oliveira MC, Silva Arruda de Morais MDL, Queiroz LMG, Lopes Costa ADLL. nm23 protein expression in metastatic and non-metastatic tongue squamous cell carcinoma. Braz J Otorhinolaryngol 2008; 74:356-9. [PMID: 18661008 PMCID: PMC9442079 DOI: 10.1016/s1808-8694(15)30568-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2007] [Accepted: 07/14/2007] [Indexed: 11/17/2022] Open
Abstract
Oral squamous cells carcinoma (OSCC) shows unfavorable prognosis due to its invasion potential around the neighboring tissues and the elevated incidence of metastasis. Aim the present paper aims at analyzing the immunohistochemical expression of the nm23 protein in metastatic and non-metastatic SCCs of tongue. Methods the immuno-expression to the nm23-hl protein was diagnosed in 35 tongue SCC (15 of which exhibiting metastasis). Nm23-hl immuno-scores were assigned as follow: score 0 = absent, 1 = focal and 2 = diffuse expression. Results The Fisher's exact test was performed and there was no statistical difference between the nm23-hl immuno-scores and the tongue SCCs studied cases (p=0.365), although 66.7% of metastatic cases presented negative nm23-hl expression. Conclusions Protein nm23 was not associated with a positiveness for tongue SCC without metastasis. Thus, several others factors inherent to host and malignancy can be associated with the mechanisms that suppress the metastatic process in this disease.
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23
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Silveira ÉJDD, Oliveira MC, Morais MDLSAD, Queiroz LMG, Costa ADLL. Expressão da proteína nm23 em carcinoma de células escamosas de língua metastático e não-metastático. ACTA ACUST UNITED AC 2008. [DOI: 10.1590/s0034-72992008000300008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
O carcinoma de células escamosas oral (CCEO) exibe prognóstico desfavorável em decorrência da capacidade de invasão aos tecidos vizinhos e elevada incidência de metástases. OBJETIVO: O presente trabalho objetiva analisar a expressão imunohistoquímica da proteína nm23 em CCEs de língua metastáticos e não-metastáticos. METODOLOGIA: A técnica da imunohistoquímica para a proteína nm23-h1 foi realizada em 35 casos de CCE de língua com metástase em 15 casos. Atribuiu-se escore 0, para ausência de marcação; 1, marcação focal e 2 para marcação difusa. RESULTADOS: Observou-se marcação focal para a proteína nm23 em 9 casos, difusa em 15, e ausência de marcação em 11 espécimes. O teste exato de Fischer foi aplicado, não havendo diferença estatisticamente significativa para positividade desta proteína nos casos metastáticos e não-metastáticos (p=0.365), apesar de que em 66.7% dos casos com metástase não houve marcação. CONCLUSÕES: A presença da proteína nm23 não esteve relacionada de forma positiva aos casos de CCE de língua sem metástase. Dessa forma, vários outros fatores inerentes à célula neoplásica e ao hospedeiro podem estar relacionados aos mecanismos supressores do processo metastático nesta entidade.
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24
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Wang YF, Chen JY, Chang SY, Chiu JH, Li WY, Chu PY, Tai SK, Wang LS. Nm23-H1 expression of metastatic tumors in the lymph nodes is a prognostic indicator of oral squamous cell carcinoma. Int J Cancer 2008; 122:377-86. [PMID: 17918157 DOI: 10.1002/ijc.23096] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
We recently reported that low Nm23-H1 expression of primary oral squamous cell carcinoma (OSCC) was correlated with the occurrence of lymphatic metastasis. However, little is known about whether Nm23-H1 level of metastatic tumors in the cervical lymph nodes is reduced in comparison with primary oral cancers and its significance for patients' prognosis. By immunohistochemistry, we analyzed the Nm23-H1 expression in 52 pairs of OSCC specimens from primary oral cancers and their metastatic lymph nodes. Western blot analysis further confirmed the immunohistochemical interpretation. To verify the effects of Nm23-H1 on cell migration and invasion, we established several stable clones derived from a human OSCC cell line (SAS) by knockdown and overexpression. Wound-healing closure, transwell migration and invasion assays were performed to determine cell motility, migratory and invasive activities. Western blot analysis was carried out to evaluate cyclin A expression of OSCC cells with the altered Nm23-H1 levels following knockdown and overexpression. By immunohistochemistry, Nm23-H1 expression of metastatic lymph nodes was significantly lower than that of their primary oral cancers, supporting a role of Nm23-H1 in metastasis suppression. Negative Nm23-H1 interpretation of OSCC specimens, in either primary oral cancers or metastatic lymph nodes, indicated a poor survival outcome of patients. On the basis of in vitro studies of Nm23-H1 knockdown and overexpression, we demonstrated an inverse correlation between Nm23-H1 expression and the invasiveness of OSCC cells. Moreover, we observed the concomitant reduction in Nm23-H1 and cyclin A levels of metastatic tumors in both results of in vitro OSCC cells and ex vivo tumor specimens.
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Affiliation(s)
- Yi-Fen Wang
- Department of Otolaryngology and Head and Neck Surgery, Taipei Veterans General Hospital and National Yang Ming University, Taipei, Taiwan
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25
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Carinci F, Arcelli D, Lo Muzio L, Francioso F, Valentini D, Evangelisti R, Volinia S, D'Angelo A, Meroni G, Zollo M, Pastore A, Ionna F, Mastrangelo F, Conti P, Tetè S. Molecular classification of nodal metastasis in primary larynx squamous cell carcinoma. Transl Res 2007; 150:233-45. [PMID: 17900511 DOI: 10.1016/j.trsl.2007.03.011] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2006] [Revised: 03/12/2007] [Accepted: 03/13/2007] [Indexed: 11/25/2022]
Abstract
Classification and prognosis of larynx squamous cell carcinoma (LSCC) depends on clinical and histopathological examination. Currently, expression profiling harbors the potential to investigate, classify, and better manage cancer. Gene expression profiles of 22 primary LSCCs were analyzed by microarrays containing 19,200 cDNAs. GOAL functionally classified differentially expressed genes, and a novel "in silico" procedure identified physical gene clusters differentially transcribed. A signature of 158 genes differentiated tumors with nodal metastasis. A novel statistical method allowed categorization of metastatic tumors into 2 distinct subgroups of differential gene expression patterns. Among genes correlated to nodal metastatic progression, we verified in vitro that NM23-H3 reduced cell motility and TRIM8 were a growth suppressor. Six chromosomal regions were specifically downregulated in metastatic tumors. This large-scale gene expression analysis in LSCC provides information on changes in genomic activity associated with lymphonodal metastasis and identifies molecules that might prove useful as novel therapeutic targets.
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MESH Headings
- Biomarkers, Tumor/genetics
- Carcinoma, Squamous Cell/genetics
- Carcinoma, Squamous Cell/metabolism
- Carcinoma, Squamous Cell/pathology
- Carcinoma, Squamous Cell/secondary
- Carrier Proteins/genetics
- Cell Line, Tumor
- Cluster Analysis
- DNA, Complementary/genetics
- Disease Progression
- Down-Regulation/genetics
- Gene Expression Profiling
- Gene Expression Regulation, Neoplastic
- Genes, Neoplasm
- Humans
- Laryngeal Neoplasms/genetics
- Laryngeal Neoplasms/metabolism
- Laryngeal Neoplasms/pathology
- Lymphatic Metastasis
- Male
- NM23 Nucleoside Diphosphate Kinases/genetics
- Neoplasm Staging
- Nerve Tissue Proteins/genetics
- Oligonucleotide Array Sequence Analysis/methods
- Prognosis
- RNA, Neoplasm/isolation & purification
- Reverse Transcriptase Polymerase Chain Reaction
- Tumor Suppressor Proteins/genetics
- Up-Regulation/genetics
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Affiliation(s)
- Francesco Carinci
- Department of Maxillofacial Surgery, University of Ferrara, Ferrara, Italy
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26
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Laimer K, Fong D, Gastl G, Obrist P, Kloss F, Tuli T, Gassner R, Rasse M, Norer B, Spizzo G. EpCAM expression in squamous cell carcinoma of the oral cavity: frequency and relationship to clinicopathologic features. Oral Oncol 2007; 44:72-7. [PMID: 17418618 DOI: 10.1016/j.oraloncology.2007.01.008] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2006] [Revised: 12/24/2006] [Accepted: 01/02/2007] [Indexed: 12/17/2022]
Abstract
This retrospective study was designed to investigate the prognostic significance of EpCAM expression in human oral squamous cell carcinoma on a long-term follow-up. EpCAM expression was examined immunohistochemically on a tissue microarray (TMA) of paraffin embedded tissue specimens from 77 consecutive patients who underwent surgical treatment for squamous cell carcinoma of the oral cavity in the period between 1980 and 1997 at the Department of Craniomaxillofacial and Oral Surgery, Innsbruck Medical University. High EpCAM expression was found in 17 (22.1%) of the tumor samples. Using Kaplan-Meier analysis no correlation of EpCAM overexpression was observed with conventional clinicopathologic features in this patient cohort. Taken together, these data suggest that EpCAM might become an attractive treatment target in a subgroup of patients with OSCC.
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Affiliation(s)
- Klaus Laimer
- Department of Craniomaxillofacial and Oral Surgery, Innsbruck Medical University, Anichstrasse 35 A-6020 Innsbruck, Austria.
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27
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Bosnar MH, Bago R, Gall-Troselj K, Streichert T, Pavelić J. Downstream targets of Nm23-H1: gene expression profiling of CAL 27 cells using DNA microarray. Mol Carcinog 2006; 45:627-33. [PMID: 16739125 DOI: 10.1002/mc.20243] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
The human nm23-H1 was discovered as a tumor metastasis suppressor based on its reduced expression in melanoma cell lines with low versus high metastatic potential. It encodes for one of two subunits of the nucleoside-diphosphate kinase. Besides its role in the maintenance of the cells NTP pool, nm23 plays a key role in different cellular processes. The role of nm23-H1 in these processes still has to be elucidated. Our goal was to identify Nm23-H1 downstream targets by subjecting Nm23-H1 overexpressing CAL 27 cells oral squamous cell carcinoma (OSSC) to microarray analysis. The genes with changed expression patterns could be clustered into several groups: transforming growth factor beta (TGFbeta) signaling pathway, cell adhesion, invasion and motility, proteasome machinery, cell-cycle, epithelial structural and related molecules and others. Based on the expression patterns observed we presume that nm23-H1 might have a role in OSSCs, which should be confirmed by future experiments.
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Affiliation(s)
- Maja Herak Bosnar
- Division of Molecular Medicine, Rudjer Bosković Institute, Zagreb, Croatia
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28
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Mhawech-Fauceglia P, Dulguerov P, Beck A, Bonet M, Allal AS. Value of ezrin, maspin and nm23-H1 protein expressions in predicting outcome of patients with head and neck squamous-cell carcinoma treated with radical radiotherapy. J Clin Pathol 2006; 60:185-9. [PMID: 16698950 PMCID: PMC1860631 DOI: 10.1136/jcp.2006.036624] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BACKGROUND Prognostic factors in predicting outcomes in patients with head and neck squamous-cell carcinoma (HNSCC) are limited to the clinical-pathological parameters, including lymph node metastasis, location, grade and stage of the disease. AIM To determine whether the expression of these proteins has a value in predicting patient outcome. METHODS Ezrin, maspin and nm23-H1 immunohistochemistry in tissue samples of 120 patients with HNSCC were evaluated using the microarray technique. RESULTS In determining the association among each of the three proteins and the clinical-pathological parameters, low maspin expression was the only one found to be significantly associated with high tumour grade (p = 0.007); all others showed no significant associations. In univariate analysis, patients with tumours expressing high ezrin had a shorter disease-free survival (DFS) of 51% than those with low ezrin expression (DFS 84%; p = 0.08). In multivariate analysis, tumours with the combination of loss of maspin and low histological grade had longer DFS (83%) compared with those with high maspin and high histological grade (DFS 42%; p = 0.08). CONCLUSION Our study is the first to determine the value of ezrin and maspin in HNSCC in a large series of patients with long follow-up. Ezrin and maspin seem to have a potential prognostic value in patients with HNSCC but results should be confirmed with further studies.
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29
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Howell GMS, Grandis JR. Molecular mediators of metastasis in head and neck squamous cell carcinoma. Head Neck 2006; 27:710-7. [PMID: 15952195 DOI: 10.1002/hed.20222] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND The presence of regional metastasis in patients with head and neck squamous cell carcinoma (HNSCC) is a common and adverse event associated with poor prognosis and high mortality. Although significant improvements in standard therapies have increased the efficacy of local tumor management, the high incidence of tumor recurrence has resulted in limited improvements in overall survival rates. Understanding the molecular mechanisms that mediate HNSCC invasion and metastasis may enable identification of novel therapeutic targets for the prevention and management of tumor dissemination. METHODS A literature review was performed. RESULTS Several biologic mediators and mechanisms that have been implicated in HNSCC metastasis, such as cell adhesion molecules, proteolytic enzymes, growth factor signaling, metastasis suppressor genes, and chemokine receptors were reviewed. CONCLUSIONS Prevention of HNSCC metastasis is an important clinical objective that requires an increased understanding of the molecular mechanisms of tumor invasion and dissemination.
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Affiliation(s)
- Gina M S Howell
- Department of Otolaryngology, University of Pittsburgh and University of Pittsburgh Cancer Institute, The Eye and Ear Institute Building, Suite 500, 200 Lothrop Street, Pittsburgh, PA 15213, USA
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30
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Sheikh H, Murphy J, Hunt JL. NM-23 gene loss of heterozygosity and protein expression in high-stage laryngeal squamous cell carcinomas. ACTA ACUST UNITED AC 2006; 15:1-6. [PMID: 16531762 DOI: 10.1097/00019606-200603000-00001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Tumor suppressor genes that reduce metastatic potential have been described in a variety of different tumor types. One of the main tumor metastasis suppressor genes is nm-23, which is a nucleoside diphosphate kinase. Two isotypes, nm-23H1 and nm-23H2, have been cloned and map to chromosome 17q21.3. In a variety of tumors, including colon cancer and breast cancer, loss of expression of nm-23 is associated with lymph node metastasis. In other organ systems, however, this relationship is not seen. In head and neck squamous cell carcinomas (HNSCC), there have been conflicting results regarding the association between nm-23 protein expression and metastatic potential. To further explore the tumor metastasis suppressor function of nm-23 in HNSCC, we studied high-stage laryngeal carcinomas, tumors with and without cervical lymph node metastasis for nm-23 protein expression and loss of heterozygosity of the gene locus. Twenty-five cases were included (11 cases with and 14 cases without metastasis). Loss of heterozygosity for the nm-23 gene locus was seen in 7 of 22 (32%) informative tumors. Using immunohistochemistry, most tumors expressed nm-23, though decreased expression was seen in 10 of 25 (40%) cases. Only 2 tumors showed negative expression. We did not find a correlation between either protein expression or loss of heterozygosity with metastatic disease or any other adverse prognostic factors in this group of high-stage laryngeal squamous cell carcinomas. These data imply that nm-23 may be tumor suppressor gene involved in HNSCC but that it may not function as a tumor metastasis suppressor in high-stage laryngeal carcinoma.
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Affiliation(s)
- Hina Sheikh
- Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
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Yan W, Song L, Wei W, Li A, Liu J, Fang Y. Chromosomal Abnormalities Associated with Neck Nodal Metastasis in Nasopharyngeal Carcinoma. Tumour Biol 2005; 26:306-12. [PMID: 16254460 DOI: 10.1159/000089289] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2005] [Accepted: 05/25/2005] [Indexed: 02/03/2023] Open
Abstract
Neck lymphatic metastasis represents the single most important clinical prognostic factor in nasopharyngeal carcinoma (NPC), but underlying genetic mechanisms remain ill defined. In this study 23 samples of primary tumor (PT) and 9 of neck lymph node metastasis (NLNM) obtained from NPC patients were analyzed by comparative genomic hybridization (CGH) coupled with tissue microdissection and degenerate oligonucleotide primer-polymerase chain reaction (DOP-PCR). A similar pattern of chromosomal abnormalities was seen in PT and NLNM, the common aberrations were gains on 5p, 12p, 12q and 18p and deletions on 1p, 3p, 9q, 14q, 17p and 16q. However, NLNMs, but not PTs, also exhibited frequent losses on 9p, 16p, 17q, 20q, 21p, 21q and 22q and gains on 8q and 8p. The most frequent unique aberration in NLNMs was loss on 16p, observed in 100% (9/9) NLNMs tested, as well as loss of 20q, observed in 77.8% of tumors tested. For the first time, we report that a gain on 8p and a loss at 20q is common to NLNMs. The analysis furthermore suggests that specific alterations, e.g. losses of 9p, 16p, 7q, 20q, 21p, 21q, 22q and gains on 8q and 8p are associated with NLNM of NPC, and that these alterations may be involved in the onset and/or progression of a metastatic phenotype.
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Affiliation(s)
- Wensheng Yan
- Cancer Institute, Cancer Center, Sun Yat-Sen University, Guangzhou, China
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Gao YJ, Mao XY, Wu DY, Zhang SM, Xin Y. Protein expression of fragile histidine triad and non-metastasis 23-H 1 and their clinicopathological significance in gastric cancer. Shijie Huaren Xiaohua Zazhi 2004; 12:2534-2538. [DOI: 10.11569/wcjd.v12.i11.2534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To explore the expression of fragile histidine triad (FHIT) and non-metastasis 23-H1 (nm23-H1) and to investigate their relations with clinicopathological behaviors of gastric cancer.
METHODS: PV9000 two-step immunohistochemical method was employed to detect the expression of FHIT and nm23-H1 in 98 cases of gastric cancer.
RESULTS: The positive rates of FHIT and nm23-H1 expression were 38.8% (38/98) and 33% (28/87) respectively. The FHIT expression related to the histological classification, Lauren classification and lymph node metastasis of gastric cancer (P < 0.05). The positive rate of FHIT protein expression became higher with the development of gastric cancer, but there was no significance (P > 0.05). The nm23-H1 expression was negatively related to clinical staging and lymph node metastasis (P < 0.05).
CONCLUSION: FHIT may be an important candidate of tumor suppressor gene in gastric cancer. The expression of FHIT and nm23-H1 protein has close relations with lymph node metastasis in gastric cancer, and they may work synergistically and can be important markers for predicting metastasis and evaluating prognosis of gastric cancer.
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Affiliation(s)
- Yu-Jia Gao
- Fourth Laboratory of Cancer Institute, First Affilitated Hospital, China Medical University, Shenyang 110001, Liaoning Province, China
| | - Xiao-Yun Mao
- Fourth Laboratory of Cancer Institute, First Affilitated Hospital, China Medical University, Shenyang 110001, Liaoning Province, China
| | - Dong-Ying Wu
- Fourth Laboratory of Cancer Institute, First Affilitated Hospital, China Medical University, Shenyang 110001, Liaoning Province, China
| | - Shu-Ming Zhang
- Fourth Laboratory of Cancer Institute, First Affilitated Hospital, China Medical University, Shenyang 110001, Liaoning Province, China
| | - Yan Xin
- Fourth Laboratory of Cancer Institute, First Affilitated Hospital, China Medical University, Shenyang 110001, Liaoning Province, China
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