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Yuan J, Liu Y, Zhang T, Zheng C, Ding X, Zhu C, Shi J, Jing Y. Traditional Chinese medicine for breast cancer treatment: a bibliometric and visualization analysis. PHARMACEUTICAL BIOLOGY 2024; 62:499-512. [PMID: 38813803 PMCID: PMC11141317 DOI: 10.1080/13880209.2024.2359105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 05/13/2024] [Indexed: 05/31/2024]
Abstract
CONTEXT The use of traditional Chinese medicine (TCM) for breast cancer patients inhibits tumor cell growth and proliferation, alleviates adverse reactions, and inhibits tumor recurrence and metastasis post-surgery. An assessment of its historical efficacy and an examination of the latest research trends are imperative to thoroughly leverage the potential of TCM for breast cancer treatment. OBJECTIVE This study analyzes the published literature on TCM for breast cancer treatment using bibliometric analysis to determine the current state, identify hot spots, and discern trends, providing insight into research in this field. METHODS TCM-based breast cancer treatment publications between 2003 and 2022 were retrieved from the Web of Science, China National Knowledge Infrastructure, Wanfang, and Duxiu databases. Visual analysis was performed using VOSviewer (V1.6.19) and CiteSpace (V6.3.R1) software. Examined metrics included the annual publication count, literature and journal, national and institutional contributions, author co-occurrence, keyword co-occurrence, keywords timeline, and keywords with citation bursts in this research field. RESULTS AND CONCLUSION A total of 1080 English publications and 2617 Chinese publications were included in the analysis. China was the leading contributor of publications. High-frequency keywords such as 'apoptosis', 'expression', 'in vivo', 'chemotherapy', 'triple-negative breast cancer', and 'lymphedema' were identified from English and Chinese publications; 'epithelial mesenchymal transition' and 'network pharmacology' emerged as hotspots. The development of modern science, technology, and in-depth research can result in broader prospects for the research and application of TCM in breast cancer treatment, resulting in more effective solutions for the treatment of breast cancer and other malignant tumors.
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Affiliation(s)
- Jun Yuan
- Jiangsu Key Laboratory of Regional Resource Exploitation and Medicinal Research, Huaiyin Institute of Technology, Huai’an, China
- National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization, Huaiyin Institute of Technology, Huai’an, China
| | - Yun Liu
- Jiangsu Key Laboratory of Regional Resource Exploitation and Medicinal Research, Huaiyin Institute of Technology, Huai’an, China
| | - Tiantian Zhang
- Jiangsu Key Laboratory of Regional Resource Exploitation and Medicinal Research, Huaiyin Institute of Technology, Huai’an, China
| | - Cheng Zheng
- Jiangsu Key Laboratory of Regional Resource Exploitation and Medicinal Research, Huaiyin Institute of Technology, Huai’an, China
| | - Xiao Ding
- Jiangsu Key Laboratory of Regional Resource Exploitation and Medicinal Research, Huaiyin Institute of Technology, Huai’an, China
| | - Chuanrong Zhu
- Department of General Surgery, The Affiliated Huai’an No.1 People’s Hospital of Nanjing Medical University, Huai’an, Jiangsu, China
| | - Jing Shi
- Department of Breast, Maternity and Child, Health Care Hospital of Huai’an, Huai’an, Jiangsu, China
| | - Yi Jing
- Jiangsu Key Laboratory of Regional Resource Exploitation and Medicinal Research, Huaiyin Institute of Technology, Huai’an, China
- National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization, Huaiyin Institute of Technology, Huai’an, China
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Wang LM, Zhang WW, Qiu YY, Wang F. Ferroptosis regulating lipid peroxidation metabolism in the occurrence and development of gastric cancer. World J Gastrointest Oncol 2024; 16:2781-2792. [PMID: 38994139 PMCID: PMC11236228 DOI: 10.4251/wjgo.v16.i6.2781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 03/06/2024] [Accepted: 04/10/2024] [Indexed: 06/13/2024] Open
Abstract
BACKGROUND Gastric cancer is one of the most common malignant tumors in the world, and its occurrence and development involve complex biological processes. Iron death, as a new cell death mode, has attracted wide attention in recent years. However, the regulatory mechanism of iron death in gastric cancer and its effect on lipid peroxidation metabolism remain unclear. AIM To explore the role of iron death in the development of gastric cancer, reveal its relationship with lipid peroxidation, and provide a new theoretical basis for revealing the molecular mechanism of the occurrence and development of gastric cancer. METHODS The process of iron death in gastric cancer cells was simulated by cell culture model, and the occurrence of iron death was detected by fluorescence microscopy and flow cytometry. The changes of gene expression related to iron death and lipid peroxidation metabolism were analyzed by high-throughput sequencing technology. In addition, a mouse model of gastric cancer was established, and the role of iron death in vivo was studied by histology and immunohistochemistry, and the level of lipid peroxidation was detected. These methods comprehensively and deeply reveal the regulatory mechanism of iron death on lipid peroxidation metabolism in the occurrence and development of gastric cancer. RESULTS Iron death was significantly activated in gastric cancer cells, and at the same time, associated lipid peroxidation levels increased significantly. Through high-throughput sequencing analysis, it was found that iron death regulated the expression of several genes related to lipid metabolism. In vivo experiments demonstrated that increased iron death in gastric cancer mice was accompanied by a significant increase in lipid peroxidation. CONCLUSION This study confirmed the important role of iron death in regulating lipid peroxidation metabolism in the occurrence and development of gastric cancer. The activation of iron death significantly increased lipid peroxidation levels, revealing its regulatory mechanism inside the cell.
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Affiliation(s)
- Lan-Mei Wang
- Department of Clinical Laboratory, Anqiu People's Hospital, Weifang 262123, Shandong Province, China
| | - Wei-Wei Zhang
- Department of Gastroenterology, Feicheng People's Hospital, Tai’an 271600, Shandong Province, China
| | - Ying-Yang Qiu
- Yong Loo Lin School of Medicine, National University of Singapore, 119077, Singapore
| | - Fang Wang
- Department of Gastroenterology, Central Hospital Affiliated to Shandong First Medical University, Jinan 250013, Shandong Province, China
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3
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Zeng Z, Zhu Q. Progress and prospects of biomarker-based targeted therapy and immune checkpoint inhibitors in advanced gastric cancer. Front Oncol 2024; 14:1382183. [PMID: 38947886 PMCID: PMC11211377 DOI: 10.3389/fonc.2024.1382183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Accepted: 05/24/2024] [Indexed: 07/02/2024] Open
Abstract
Gastric cancer and gastroesophageal junction cancer represent the leading cause of tumor-related death worldwide. Although advances in immunotherapy and molecular targeted therapy have expanded treatment options, they have not significantly altered the prognosis for patients with unresectable or metastatic gastric cancer. A minority of patients, particularly those with PD-L1-positive, HER-2-positive, or MSI-high tumors, may benefit more from immune checkpoint inhibitors and/or HER-2-directed therapies in advanced stages. However, for those lacking specific targets and unique molecular features, conventional chemotherapy remains the only recommended effective and durable regimen. In this review, we summarize the roles of various signaling pathways and further investigate the available targets. Then, the current results of phase II/III clinical trials in advanced gastric cancer, along with the superiorities and limitations of the existing biomarkers, are specifically discussed. Finally, we will offer our insights in precision treatment pattern when encountering the substantial challenges.
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Affiliation(s)
| | - Qing Zhu
- Department of Abdominal Oncology, West China Hospital, Sichuan University, Chengdu, China
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Li J, Zhang X, Liu Y, Zhou J, Shen L, Yue G. Expressions and Clinical Significance of Met and YAP in Gastric Cancer Tissue Microarray. Gastroenterol Res Pract 2024; 2024:5591298. [PMID: 38634107 PMCID: PMC11022516 DOI: 10.1155/2024/5591298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 03/14/2024] [Accepted: 03/25/2024] [Indexed: 04/19/2024] Open
Abstract
Objective This study is aimed at investigating the expression of Met and YAP in gastric cancer and their impact on clinical prognosis. Methods Tissue samples and clinical data were collected from 89 patients with gastric cancer. Immunohistochemistry was performed to quantify the expression of Met and YAP using tissue microarray. The correlation between the expressions of Met, YAP, and clinicopathological characteristics of patients was determined using a chi-square test. Survival analysis was conducted using the Kaplan-Meier method, while multivariate survival analysis was performed using the Cox proportional hazard model. Bioinformatics analysis was carried out by downloading chip data from TCGA. Results The expression levels of both Met and YAP were significantly higher in gastric cancer tissues compared to adjacent tissues (P < 0.001). Met expression showed a positive association with P53 and CD133, whereas YAP expression correlated positively with tumor grade and CD133 (P < 0.05). Pearson's analysis revealed a significant correlation between Met expression and VEGFR as well as CD133, while YAP expression correlated with Ki67 and VEGFR (P < 0.05). Patients with high levels of both Met and YAP exhibited decreased survival time (P < 0.01). Furthermore, Met expression, N stage, and VEGFR were identified as independent risk factors for gastric cancer prognosis (P < 0.05), whereas no such association was observed for YAP expression. Bioinformatics analysis demonstrated a significant correlation between the expressions of Met and YAP; both proteins were highly expressed in gastric cancer patients accompanied by markedly reduced survival time. Conclusion The expressions of Met and YAP are closely associated with the survival outcomes as well as clinicopathological features in patients with gastric cancer. Moreover, our findings highlight that Met serves as an independent prognostic factor for gastric cancer.
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Affiliation(s)
- Jinxia Li
- Hunan University of Chinese Medicine, Changsha 410208, China
- Provincial Key Laboratory of TCM Diagnostics, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Xinyun Zhang
- Hunan University of Chinese Medicine, Changsha 410208, China
| | - Ying Liu
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Jinyong Zhou
- Central Laboratory, Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China
| | - Li Shen
- Institute of Basic Theory of TCM, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Guangxin Yue
- Institute of Basic Theory of TCM, China Academy of Chinese Medical Sciences, Beijing 100700, China
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Lee CC, Yu CJ, Panda SS, Chen KC, Liang KH, Huang WC, Wang YS, Ho PC, Wu HC. Epithelial cell adhesion molecule (EpCAM) regulates HGFR signaling to promote colon cancer progression and metastasis. J Transl Med 2023; 21:530. [PMID: 37543570 PMCID: PMC10404369 DOI: 10.1186/s12967-023-04390-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 07/25/2023] [Indexed: 08/07/2023] Open
Abstract
BACKGROUND Epithelial cell adhesion molecule (EpCAM) is known to highly expression and promotes cancer progression in many cancer types, including colorectal cancer. While metastasis is one of the main causes of cancer treatment failure, the involvement of EpCAM signaling in metastatic processes is unclear. We propose the potential crosstalk of EpCAM signaling with the HGFR signaling in order to govern metastatic activity in colorectal cancer. METHODS Immunoprecipitation (IP), enzyme-linked immunosorbent assay (ELISA), and fluorescence resonance energy transfer (FRET) was conducted to explore the extracellular domain of EpCAM (EpEX) and HGFR interaction. Western blotting was taken to determine the expression of proteins in colorectal cancer (CRC) cell lines. The functions of EpEX in CRC were investigated by proliferation, migration, and invasion analysis. The combined therapy was validated via a tail vein injection method for the metastasis and orthotopic colon cancer models. RESULTS This study demonstrates that the EpEX binds to HGFR and induces downstream signaling in colon cancer cells. Moreover, EpEX and HGF cooperatively mediate HGFR signaling. Furthermore, EpEX enhances the epithelial-to-mesenchymal transition and metastatic potential of colon cancer cells by activating ERK and FAK-AKT signaling pathways, and it further stabilizes active β-catenin and Snail proteins by decreasing GSK3β activity. Finally, we show that the combined treatment of an anti-EpCAM neutralizing antibody (EpAb2-6) and an HGFR inhibitor (crizotinib) significantly inhibits tumor progression and prolongs survival in metastatic and orthotopic animal models of colon cancer. CONCLUSION Our findings illuminate the molecular mechanisms underlying EpCAM signaling promotion of colon cancer metastasis, further suggesting that the combination of EpAb2-6 and crizotinib may be an effective strategy for treating cancer patients with high EpCAM expression.
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Affiliation(s)
- Chi-Chiu Lee
- Institute of Cellular and Organismic Biology, Academia Sinica, 128 Academia Road, Section 2, Nankang, Taipei, 11529, Taiwan
| | - Chia-Jui Yu
- Institute of Cellular and Organismic Biology, Academia Sinica, 128 Academia Road, Section 2, Nankang, Taipei, 11529, Taiwan
| | - Sushree Shankar Panda
- Institute of Cellular and Organismic Biology, Academia Sinica, 128 Academia Road, Section 2, Nankang, Taipei, 11529, Taiwan
| | - Kai-Chi Chen
- Institute of Cellular and Organismic Biology, Academia Sinica, 128 Academia Road, Section 2, Nankang, Taipei, 11529, Taiwan
| | - Kang-Hao Liang
- Institute of Cellular and Organismic Biology, Academia Sinica, 128 Academia Road, Section 2, Nankang, Taipei, 11529, Taiwan
- Biomedical Translation Research Center (BioTReC), Academia Sinica, Taipei, 11529, Taiwan
| | - Wan-Chen Huang
- Institute of Cellular and Organismic Biology, Academia Sinica, 128 Academia Road, Section 2, Nankang, Taipei, 11529, Taiwan
| | - Yu-Shiuan Wang
- Institute of Cellular and Organismic Biology, Academia Sinica, 128 Academia Road, Section 2, Nankang, Taipei, 11529, Taiwan
| | - Pei-Chin Ho
- Biomedical Translation Research Center (BioTReC), Academia Sinica, Taipei, 11529, Taiwan
| | - Han-Chung Wu
- Institute of Cellular and Organismic Biology, Academia Sinica, 128 Academia Road, Section 2, Nankang, Taipei, 11529, Taiwan.
- Biomedical Translation Research Center (BioTReC), Academia Sinica, Taipei, 11529, Taiwan.
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Neuendorf HM, Simmons JL, Boyle GM. Therapeutic targeting of anoikis resistance in cutaneous melanoma metastasis. Front Cell Dev Biol 2023; 11:1183328. [PMID: 37181747 PMCID: PMC10169659 DOI: 10.3389/fcell.2023.1183328] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 04/14/2023] [Indexed: 05/16/2023] Open
Abstract
The acquisition of resistance to anoikis, the cell death induced by loss of adhesion to the extracellular matrix, is an absolute requirement for the survival of disseminating and circulating tumour cells (CTCs), and for the seeding of metastatic lesions. In melanoma, a range of intracellular signalling cascades have been identified as potential drivers of anoikis resistance, however a full understanding of the process is yet to be attained. Mechanisms of anoikis resistance pose an attractive target for the therapeutic treatment of disseminating and circulating melanoma cells. This review explores the range of small molecule, peptide and antibody inhibitors targeting molecules involved in anoikis resistance in melanoma, and may be repurposed to prevent metastatic melanoma prior to its initiation, potentially improving the prognosis for patients.
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Affiliation(s)
- Hannah M. Neuendorf
- Cancer Drug Mechanisms Group, QIMR Berghofer Medical Research Institute, Herston, QLD, Australia
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
| | - Jacinta L. Simmons
- Cancer Drug Mechanisms Group, QIMR Berghofer Medical Research Institute, Herston, QLD, Australia
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
- School of Biomedical Sciences, Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia
| | - Glen M. Boyle
- Cancer Drug Mechanisms Group, QIMR Berghofer Medical Research Institute, Herston, QLD, Australia
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
- School of Biomedical Sciences, Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia
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Van Herpe F, Van Cutsem E. The Role of cMET in Gastric Cancer—A Review of the Literature. Cancers (Basel) 2023; 15:cancers15071976. [PMID: 37046637 PMCID: PMC10093530 DOI: 10.3390/cancers15071976] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 03/10/2023] [Accepted: 03/23/2023] [Indexed: 03/29/2023] Open
Abstract
Gastric cancer (GC) is an important cause of cancer worldwide with over one million new cases yearly. The vast majority of cases present in stage IV disease, and it still bears a poor prognosis. However, since 2010, progress has been made with the introduction of targeted therapies against HER2 and with checkpoint inhibitors (PDL1). More agents interfering with other targets (FGFR2B, CLDN18.2) are being investigated. cMET is a less frequent molecular target that has been studied for gastric cancer. It is a proto-oncogene that leads to activation of the MAPK pathway and the PI3K pathway, which is responsible for activating the MTOR pathway. The prevalence of cMET is strongly debated as different techniques are being used to detect MET-driven tumors. Because of the difference in diagnostic assays, selecting patients who benefit from cMET inhibitors is difficult. In this review, we discuss the pathway of cMET, its clinical significance and the different diagnostic assays that are currently used, such as immunohistochemy (IHC), fluorescence in situ hybridization (FISH), the H-score and next-generation sequencing (NGS). Next, we discuss all the current data on cMET inhibitors in gastric cancer. Since the data on cMET inhibitors are very heterogenous, it is difficult to provide a general consensus on the outcome, as inclusion criteria differ between trials. Diagnosing cMET-driven gastric tumors is difficult, and potentially the only accurate determination of cMET overexpression/amplification may be next-generation sequencing (NGS).
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Suppression of galectin-4 attenuates peritoneal metastasis of poorly differentiated gastric cancer cells. Gastric Cancer 2023; 26:352-363. [PMID: 36695981 DOI: 10.1007/s10120-023-01366-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 01/14/2023] [Indexed: 01/26/2023]
Abstract
BACKGROUND Peritoneal dissemination, most often seen in metastatic and/or recurrent gastric cancer, is an inoperable condition that lacks effective treatment. The use of molecular targeted drugs is also limited; therefore, identifying novel therapeutic targets and improving our understanding of this metastatic cancer are an urgent requirement. In this study, we focused on galectin-4, which is specifically expressed in poorly differentiated cells with high potential for peritoneal dissemination. METHODS We knocked out the galectin-4 gene in NUGC4 cells using CRISPR/Cas9-mediated genome editing. Proliferation and peritoneal cancer formation in knockout cells were compared with those in wild-type and galectin-4 re-expressing cells. Western blotting and proximity ligation assays were performed to identify associated molecules affected by the expression of galectin-4. The effect of galectin-4 knockdown on cell proliferation and peritoneal metastasis was studied using a specific siRNA. Expression of galectin-4 in peritoneal metastatic tumors from 10 patients with gastric cancer was examined by immunohistochemistry. RESULTS Suppression of galectin-4 expression reduced proliferation and peritoneal metastasis of malignant gastric cancer cells. Galectin-4 knockout and knockdown reduced the expression of activated c-MET and CD44. Galectin-4 was found to interact with several proteins on the cell surface, including CD44 and c-MET, via its carbohydrate-binding ability. Immunohistochemistry showed galectin-4 expression in peritoneal metastatic tumor cells in all patients examined. CONCLUSIONS We clarified the role of galectin-4 in the development of peritoneal dissemination of poorly differentiated gastric cancer cells. Our data highlight the diagnostic and therapeutic potential of galectin-4 in the peritoneal dissemination of gastric cancer.
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Chen JJ, Jin JM, Gu WJ, Zhao Z, Yuan H, Zhou YD, Nagle DG, Xi QL, Zhang XM, Sun QY, Wu Y, Zhang WD, Luan X. Crizotinib-based proteolysis targeting chimera suppresses gastric cancer by promoting MET degradation. Cancer Sci 2023; 114:1958-1971. [PMID: 36692137 PMCID: PMC10154821 DOI: 10.1111/cas.15733] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 01/14/2023] [Accepted: 01/17/2023] [Indexed: 01/25/2023] Open
Abstract
As one of the common malignant cancer types, gastric cancer (GC) is known for late-stage diagnosis and poor prognosis. Overexpression of the receptor tyrosine kinase MET is associated with poor prognosis among patients with advanced stage GC. However, no MET inhibitor has been used for GC treatment. Like other tyrosine kinase inhibitors that fit the "occupancy-driven" model, current MET inhibitors are prone to acquired resistance. The emerging proteolysis targeting chimera (PROTAC) strategy could overcome such limitations through direct degradation of the target proteins. In this study, we successfully transformed the MET-targeted inhibitor crizotinib into a series of PROTACs, recruiting cereblon/cullin 4A E3 ubiquitin ligase to degrade the MET proteins. The optimized lead PROTAC (PRO-6 E) effectively eliminated MET proteins in vitro and in vivo, inhibiting proliferation and motility of MET-positive GC cells. In the MKN-45 xenograft model, PRO-6 E showed pronounced antitumor efficacy with a well-tolerated dosage regimen. These results validated PRO-6 E as the first oral PROTAC for MET-dependent GC.
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Affiliation(s)
- Jin-Jiao Chen
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai, China
| | - Jin-Mei Jin
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Wen-Jie Gu
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zeng Zhao
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China.,State Key Laboratory of New Drug and Pharmaceutical Process, Shanghai Institute of Pharmaceutical Industry, China State Institute of Pharmaceutical Industry, Shanghai, China
| | - Hu Yuan
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yu-Dong Zhou
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Department of Chemistry and Biochemistry, College of Liberal Arts, University of Mississippi, Boston, Massachusetts, USA
| | - Dale G Nagle
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Department of BioMolecular Sciences and Research Institute of Pharmaceutical Sciences, School of Pharmacy, University of Mississippi, Boston, Massachusetts, USA
| | - Qiu-Lei Xi
- Department of General Surgery, Zhongshan Hospital Affiliated to Fudan University, Shanghai, China
| | - Xue-Mei Zhang
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai, China
| | - Qing-Yan Sun
- State Key Laboratory of New Drug and Pharmaceutical Process, Shanghai Institute of Pharmaceutical Industry, China State Institute of Pharmaceutical Industry, Shanghai, China
| | - Ye Wu
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Wei-Dong Zhang
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xin Luan
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Lei ZN, Teng QX, Tian Q, Chen W, Xie Y, Wu K, Zeng Q, Zeng L, Pan Y, Chen ZS, He Y. Signaling pathways and therapeutic interventions in gastric cancer. Signal Transduct Target Ther 2022; 7:358. [PMID: 36209270 PMCID: PMC9547882 DOI: 10.1038/s41392-022-01190-w] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 08/14/2022] [Accepted: 09/07/2022] [Indexed: 11/23/2022] Open
Abstract
Gastric cancer (GC) ranks fifth in global cancer diagnosis and fourth in cancer-related death. Despite tremendous progress in diagnosis and therapeutic strategies and significant improvements in patient survival, the low malignancy stage is relatively asymptomatic and many GC cases are diagnosed at advanced stages, which leads to unsatisfactory prognosis and high recurrence rates. With the recent advances in genome analysis, biomarkers have been identified that have clinical importance for GC diagnosis, treatment, and prognosis. Modern molecular classifications have uncovered the vital roles that signaling pathways, including EGFR/HER2, p53, PI3K, immune checkpoint pathways, and cell adhesion signaling molecules, play in GC tumorigenesis, progression, metastasis, and therapeutic responsiveness. These biomarkers and molecular classifications open the way for more precise diagnoses and treatments for GC patients. Nevertheless, the relative significance, temporal activation, interaction with GC risk factors, and crosstalk between these signaling pathways in GC are not well understood. Here, we review the regulatory roles of signaling pathways in GC potential biomarkers, and therapeutic targets with an emphasis on recent discoveries. Current therapies, including signaling-based and immunotherapies exploited in the past decade, and the development of treatment for GC, particularly the challenges in developing precision medications, are discussed. These advances provide a direction for the integration of clinical, molecular, and genomic profiles to improve GC diagnosis and treatments.
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Affiliation(s)
- Zi-Ning Lei
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, 518107, Shenzhen, Guangdong, China
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA
| | - Qiu-Xu Teng
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA
| | - Qin Tian
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, 518107, Shenzhen, Guangdong, China
| | - Wei Chen
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, 518107, Shenzhen, Guangdong, China
| | - Yuhao Xie
- Institute for Biotechnology, St. John's University, Queens, NY, 11439, USA
| | - Kaiming Wu
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, 518107, Shenzhen, Guangdong, China
| | - Qianlin Zeng
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, 518107, Shenzhen, Guangdong, China
| | - Leli Zeng
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, 518107, Shenzhen, Guangdong, China.
| | - Yihang Pan
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, 518107, Shenzhen, Guangdong, China.
| | - Zhe-Sheng Chen
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA.
- Institute for Biotechnology, St. John's University, Queens, NY, 11439, USA.
| | - Yulong He
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, 518107, Shenzhen, Guangdong, China.
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11
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Zhang Z, Li D, Yun H, Tong J, Liu W, Chai K, Zeng T, Gao Z, Xie Y. Opportunities and challenges of targeting c-Met in the treatment of digestive tumors. Front Oncol 2022; 12:923260. [PMID: 35978812 PMCID: PMC9376446 DOI: 10.3389/fonc.2022.923260] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 06/27/2022] [Indexed: 11/13/2022] Open
Abstract
At present, a large number of studies have demonstrated that c-Met generally exerts a crucial function of promoting tumor cells proliferation and differentiation in digestive system tumors. c-Met also mediates tumor progression and drug resistance by signaling interactions with other oncogenic molecules and then activating downstream pathways. Therefore, c-Met is a promising target for the treatment of digestive system tumors. Many anti-tumor therapies targeting c-Met (tyrosine kinase inhibitors, monoclonal antibodies, and adoptive immunotherapy) have been developed in treating digestive system tumors. Some drugs have been successfully applied to clinic, but most of them are defective due to their efficacy and complications. In order to promote the clinical application of targeting c-Met drugs in digestive system tumors, it is necessary to further explore the mechanism of c-Met action in digestive system tumors and optimize the anti-tumor treatment of targeting c-Met drugs. Through reading a large number of literatures, the author systematically reviewed the biological functions and molecular mechanisms of c-Met associated with tumor and summarized the current status of targeting c-Met in the treatment of digestive system tumors so as to provide new ideas for the treatment of digestive system tumors.
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Affiliation(s)
- Zhengchao Zhang
- Department of General Surgery, The Third Affiliated Hospital of Gansu University of Traditional Chinese Medicine, Baiyin, China
- Department of General Surgery, Second Hospital of Lanzhou University, Lanzhou, China
| | - Dong Li
- Department of General Surgery, The Third Affiliated Hospital of Gansu University of Traditional Chinese Medicine, Baiyin, China
| | - Heng Yun
- Department of General Surgery, The Third Affiliated Hospital of Gansu University of Traditional Chinese Medicine, Baiyin, China
| | - Jie Tong
- Department of General Surgery, The Third Affiliated Hospital of Gansu University of Traditional Chinese Medicine, Baiyin, China
| | - Wei Liu
- Department of General Surgery, The Third Affiliated Hospital of Gansu University of Traditional Chinese Medicine, Baiyin, China
| | - Keqiang Chai
- Department of General Surgery, The Third Affiliated Hospital of Gansu University of Traditional Chinese Medicine, Baiyin, China
| | - Tongwei Zeng
- Department of General Surgery, The Third Affiliated Hospital of Gansu University of Traditional Chinese Medicine, Baiyin, China
| | - Zhenghua Gao
- Department of General Surgery, The Third Affiliated Hospital of Gansu University of Traditional Chinese Medicine, Baiyin, China
- *Correspondence: Yongqiang Xie, ; Zhenghua Gao,
| | - Yongqiang Xie
- Department of General Surgery, The Third Affiliated Hospital of Gansu University of Traditional Chinese Medicine, Baiyin, China
- *Correspondence: Yongqiang Xie, ; Zhenghua Gao,
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12
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Receptor Tyrosine Kinases Amplified in Diffuse-Type Gastric Carcinoma: Potential Targeted Therapies and Novel Downstream Effectors. Cancers (Basel) 2022; 14:cancers14153750. [PMID: 35954414 PMCID: PMC9367326 DOI: 10.3390/cancers14153750] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 07/28/2022] [Accepted: 07/28/2022] [Indexed: 11/28/2022] Open
Abstract
Simple Summary Diffuse-type gastric carcinoma (DGC) is an aggressive subtype of gastric carcinoma with an extremely poor prognosis due to frequent peritoneal metastasis and high probability of recurrence. Its pathogenesis is poorly understood, and consequently, no effective molecular targeted therapy is available. The importance of oncogenic receptor tyrosine kinase (RTK) signaling has been recently demonstrated in the malignant progression of DGC. In particular, RTK gene amplification appears to accelerate peritoneal metastasis. In this review, we provide an overview of RTK gene amplification in DGC and the potential of related targeted therapies. Abstract Gastric cancer (GC) is a major cause of cancer-related death worldwide. Patients with an aggressive subtype of GC, known as diffuse-type gastric carcinoma (DGC), have extremely poor prognoses. DGC is characterized by rapid infiltrative growth, massive desmoplastic stroma, frequent peritoneal metastasis, and high probability of recurrence. These clinical features and progression patterns of DGC substantially differ from those of other GC subtypes, suggesting the existence of specific oncogenic signals. The importance of gene amplification and the resulting aberrant activation of receptor tyrosine kinase (RTK) signaling in the malignant progression of DGC is becoming apparent. Here, we review the characteristics of RTK gene amplification in DGC and its importance in peritoneal metastasis. These insights may potentially lead to new targeted therapeutics.
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13
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Harrold E, Corrigan L, Barry S, Lowery M. Targeting MET amplification in Gastro-oesophageal (GO) malignancies and overcoming MET inhibitor resistance: challenges and opportunities. Expert Rev Gastroenterol Hepatol 2022; 16:601-624. [PMID: 35757852 DOI: 10.1080/17474124.2022.2093185] [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: 11/04/2022]
Abstract
INTRODUCTION MET, the hepatocyte growth factor receptor is amplified in 8% of gastroesophageal (GO) malignancies and associated with poor prognosis. Therapeutic targeting of MET amplification and MET mutations has the potential to improve outcomes for patients with GO cancers (GOC). AREAS COVERED The efficacy of MET inhibition (METi) in preclinical studies has yet to translate into meaningful improvements in the treatment paradigm for unselected GOC. MET amplification has been proposed as a superior modality for patient selection; however even if confirmed, frequency and duration of response to METi are limited by rapid activation of primary and secondary resistance pathways. These observations illustrate the challenges inherent in the application of precision oncology predicated on the theory of oncogenic addiction. EXPERT OPINION A standardized definition of MET positivity is critical to enhance patient selection. Early successes targeting the METex14 skipping mutation demonstrate the potent therapeutic effects of METi in a clearly molecularly defined cohort. There is robust preclinical rationale and early-phase data supporting exploitation of immune system interaction with MET. Pragmatic investigation of rational therapeutic combinations based on molecular profiling of both primary and metastatic disease sites with sequential circulating tumor DNA analysis can inform successful clinical development of METi agents in GOC.
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Affiliation(s)
- Emily Harrold
- Medical Oncology Department, Mater Private Hospital Dublin, Leinster, Ireland.,Trinity St James Cancer Institute, Trinity College Dublin, Leinster, Ireland
| | - Lynda Corrigan
- Trinity St James Cancer Institute, Trinity College Dublin, Leinster, Ireland.,Medical Oncology Department, Tallaght/AMNCH Hospital Dublin, Leinster, Ireland
| | - Simon Barry
- Medical Oncology Department, St James University Hospital Dublin, Leinster, Ireland
| | - Maeve Lowery
- Trinity St James Cancer Institute, Trinity College Dublin, Leinster, Ireland.,Medical Oncology Department, St James University Hospital Dublin, Leinster, Ireland
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14
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Li JJ, Zhang X, Sankar N, Espiritu L, Redkar S, Yu GL, Kizilbash SH. MET/HGF Coexpression as a Novel Predictive Biomarker for Response to MET Inhibitor Therapy in a Case of Psammomatous Melanotic Schwannoma. JCO Precis Oncol 2022; 6:e2200096. [PMID: 35675576 DOI: 10.1200/po.22.00096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Jenny J Li
- Division of Medical Oncology, Mayo Clinic, Rochester, MN
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15
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Brisset M, Grandin M, Bernet A, Mehlen P, Hollande F. Dependence receptors: new targets for cancer therapy. EMBO Mol Med 2021; 13:e14495. [PMID: 34542930 PMCID: PMC8573599 DOI: 10.15252/emmm.202114495] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 08/11/2021] [Accepted: 08/11/2021] [Indexed: 12/22/2022] Open
Abstract
Dependence receptors are known to promote survival and positive signaling such as proliferation, migration, and differentiation when activated, but to actively trigger apoptosis when unbound to their ligand. Their abnormal regulation was shown to be an important feature of tumorigenesis, allowing cancer cells to escape apoptosis triggered by these receptors while promoting in parallel major aspects of tumorigenesis such as proliferation, angiogenesis, invasiveness, and chemoresistance. This involvement in multiple cancer hallmarks has raised interest in dependence receptors as targets for cancer therapy. Although additional studies remain necessary to fully understand the complexity of signaling pathways activated by these receptors and to target them efficiently, it is now clear that dependence receptors represent very exciting targets for future cancer treatment. This manuscript reviews current knowledge on the contribution of dependence receptors to cancer and highlights the potential for therapies that activate pro-apoptotic functions of these proteins.
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Affiliation(s)
- Morgan Brisset
- Department of Clinical Pathology, Victorian Comprehensive Cancer CentreThe University of MelbourneMelbourneVic.Australia
- University of Melbourne Centre for Cancer ResearchVictorian Comprehensive Cancer CentreMelbourneVic.Australia
| | - Mélodie Grandin
- Department of Clinical Pathology, Victorian Comprehensive Cancer CentreThe University of MelbourneMelbourneVic.Australia
- University of Melbourne Centre for Cancer ResearchVictorian Comprehensive Cancer CentreMelbourneVic.Australia
| | - Agnès Bernet
- Apoptosis, Cancer and Development LaboratoryCentre de Recherche en Cancérologie de Lyon, INSERM U1052‐CNRS UMR5286Centre Léon BérardUniversité de LyonLyonFrance
| | - Patrick Mehlen
- Apoptosis, Cancer and Development LaboratoryCentre de Recherche en Cancérologie de Lyon, INSERM U1052‐CNRS UMR5286Centre Léon BérardUniversité de LyonLyonFrance
| | - Frédéric Hollande
- Department of Clinical Pathology, Victorian Comprehensive Cancer CentreThe University of MelbourneMelbourneVic.Australia
- University of Melbourne Centre for Cancer ResearchVictorian Comprehensive Cancer CentreMelbourneVic.Australia
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16
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Targeting HGF/c-Met Axis Decreases Circulating Regulatory T Cells Accumulation in Gastric Cancer Patients. Cancers (Basel) 2021; 13:cancers13215562. [PMID: 34771724 PMCID: PMC8583551 DOI: 10.3390/cancers13215562] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 10/30/2021] [Accepted: 11/02/2021] [Indexed: 01/02/2023] Open
Abstract
Simple Summary Restoring an effective immune response is the key goal of immunotherapy. One of the major mechanisms of tumor-induced immunosuppression is regulatory T cells (Treg) accumulation. In this study, using in vitro and in vivo analysis, we assessed the impact of the HGF/c-Met pathway, involved notably in tumor angiogenesis, on Treg accumulation in patients with gastric cancer. First, we reported that c-Met is expressed on circulating monocytes of gastric cancer patients and this expression seems to be associated with the worst outcome. Secondly, during in vitro cultures, c-Met+ monocytes differentiate into dendritic cells with tolerogenic properties able to induce the proliferation of Treg. Finally, rilotumumab, an anti-HGF antibody, decreases the percentage of circulating Treg in gastric cancer patients. Using HGF/c-Met inhibitors to partially reverse immunosuppression could lead to the development of new treatment associations, for example with immune checkpoint blockers. Abstract Elucidating mechanisms involved in tumor-induced immunosuppression is of great interest since it could help to improve cancer immunotherapy efficacy. Here we show that Hepatocyte Growth Factor (HGF), a pro-tumoral and proangiogenic factor, and its receptor c-Met are involved in regulatory T cells (Treg) accumulation in the peripheral blood of gastric cancer (GC) patients. We observed that c-Met is expressed on circulating monocytes from GC patients. The elevated expression on monocytes is associated with clinical parameters linked to an aggressive disease phenotype and correlates with a worse prognosis. Monocyte-derived dendritic cells from GC patients differentiated in the presence of HGF adopt a regulatory phenotype with a lower expression of co-stimulatory molecules, impaired maturation capacities, and an increased ability to produce interleukin-10 and to induce Treg differentiation in vitro. In the MEGA-ACCORD20-PRODIGE17 trial, GC patients received an anti-HGF antibody treatment (rilotumumab), which had been described to have an anti-angiogenic activity by decreasing proliferation of endothelial cells and tube formation. Rilotumumab decreased circulating Treg in GC patients. Thus, we identified that HGF indirectly triggers Treg accumulation via c-Met-expressing monocytes in the peripheral blood of GC patients. Our study provides arguments for potential alternative use of HGF/c-Met targeted therapies based on their immunomodulatory properties which could lead to the development of new therapeutic associations in cancer patients, for example with immune checkpoint inhibitors.
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17
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Sun X, Zhan M, Sun X, Liu W, Meng X. C1GALT1 in health and disease. Oncol Lett 2021; 22:589. [PMID: 34149900 PMCID: PMC8200938 DOI: 10.3892/ol.2021.12850] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 05/18/2021] [Indexed: 12/20/2022] Open
Abstract
O-linked glycosylation (O-glycosylation) and N-linked glycosylation (N-glycosylation) are the two most important forms of protein glycosylation, which is an important post-translational modification. The regulation of protein function involves numerous mechanisms, among which protein glycosylation is one of the most important. Core 1 synthase glycoprotein-N-acetylgalactosamine 3-β-galactosyltransferase 1 (C1GALT1) serves an important role in the regulation of O-glycosylation and is an essential enzyme for synthesizing the core 1 structure of mucin-type O-glycans. Furthermore, C1GALT1 serves a vital role in a number of biological functions, such as angiogenesis, platelet production and kidney development. Impaired C1GALT1 expression activity has been associated with different types of human diseases, including inflammatory or immune-mediated diseases, and cancer. O-glycosylation exists in normal tissues, as well as in tumor tissues. Previous studies have revealed that changes in the level of glycosyltransferase in different types of cancer may be used as potential therapeutic targets. Currently, numerous studies have reported the dual role of C1GALT1 in tumors (carcinogenesis and cancer suppression). The present review reports the role of C1GALT1 in normal development and human diseases. Since the mechanism and regulation of C1GALT1 and O-glycosylation remain elusive, further studies are required to elucidate their effects on development and disease.
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Affiliation(s)
- Xiaojie Sun
- Department of Gastroenterology, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China
| | - Mengru Zhan
- Department of Hepatobiliary and Pancreatic Medicine, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China
| | - Xun Sun
- Department of Pathology, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China
| | - Wanqi Liu
- Department of Gastroenterology, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China
| | - Xiangwei Meng
- Department of Gastroenterology, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China
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18
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Abboud HS, Camuzi D, Rapozo DC, Fernandes PV, Nicolau-Neto P, Guaraldi S, Simão TA, Ribeiro Pinto LF, Gonzaga IM, Soares-Lima SC. MET overexpression and intratumor heterogeneity in esophageal squamous cell carcinoma. ACTA ACUST UNITED AC 2021; 54:e10877. [PMID: 34037097 PMCID: PMC8148886 DOI: 10.1590/1414-431x2020e10877] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Accepted: 03/11/2021] [Indexed: 12/24/2022]
Abstract
Esophageal squamous cell carcinoma (ESCC) is among the ten most frequent and deadly cancers, without effective therapies for most patients. More recently, drugs targeting deregulated growth factor signaling receptors have been developed, such as HGF-MET targeted therapy. We assessed MET and HGF genetic alterations and gene and protein expression profiles in ESCC patients from the Brazilian National Cancer Institute and publicly available datasets, as well as the intratumor heterogeneity of the alterations found. Our analyses showed that HGF and MET genetic alterations, both copy number and mutations, are not common in ESCC, affecting 5 and 6% of the cases, respectively. HGF showed a variable mRNA expression profile between datasets, with no alterations (GSE20347), downregulation (GSE45670), and upregulation in ESCC (our dataset and GSE75241). On the other hand, MET was found consistently upregulated in ESCC compared to non-tumor surrounding tissue, with median fold-changes of 5.96 (GSE20347), 3.83 (GSE45670), 6.02 (GSE75241), and 5.0 (our dataset). Among our patients, 84% of the tumors showed at least a two-fold increase in MET expression. This observation was corroborated by protein levels, with 55% of cases exhibiting positivity in 100% of the tumor cells. Intratumor heterogeneity was evaluated in at least four tumor biopsies from five patients and two cases showed a consistent increase in MET expression (at least two-fold) in all tumor samples. Our data suggested that HGF-MET signaling pathway was likely to be overactivated in ESCC, representing a potential therapeutic target, but eligibility for this therapy should consider intratumor heterogeneity.
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Affiliation(s)
- H S Abboud
- Programa de Carcinogênese Molecular, Instituto Nacional de Câncer, Coordenação de Pesquisa, Rio de Janeiro, RJ, Brasil
| | - D Camuzi
- Programa de Carcinogênese Molecular, Instituto Nacional de Câncer, Coordenação de Pesquisa, Rio de Janeiro, RJ, Brasil
| | - D C Rapozo
- Divisão de Patologia, Instituto Nacional de Câncer, Rio de Janeiro, RJ, Brasil
| | - P V Fernandes
- Divisão de Patologia, Instituto Nacional de Câncer, Rio de Janeiro, RJ, Brasil
| | - P Nicolau-Neto
- Programa de Carcinogênese Molecular, Instituto Nacional de Câncer, Coordenação de Pesquisa, Rio de Janeiro, RJ, Brasil
| | - S Guaraldi
- Programa de Carcinogênese Molecular, Instituto Nacional de Câncer, Coordenação de Pesquisa, Rio de Janeiro, RJ, Brasil
| | - T A Simão
- Departamento de Bioquímica, Instituto de Biologia Roberto Alcântara Gomes, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
| | - L F Ribeiro Pinto
- Programa de Carcinogênese Molecular, Instituto Nacional de Câncer, Coordenação de Pesquisa, Rio de Janeiro, RJ, Brasil.,Departamento de Bioquímica, Instituto de Biologia Roberto Alcântara Gomes, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
| | - I M Gonzaga
- Programa de Carcinogênese Molecular, Instituto Nacional de Câncer, Coordenação de Pesquisa, Rio de Janeiro, RJ, Brasil
| | - S C Soares-Lima
- Programa de Carcinogênese Molecular, Instituto Nacional de Câncer, Coordenação de Pesquisa, Rio de Janeiro, RJ, Brasil
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19
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Grojean M, Schwarz MA, Schwarz JR, Hassan S, von Holzen U, Zhang C, Schwarz RE, Awasthi N. Targeted dual inhibition of c-Met/VEGFR2 signalling by foretinib improves antitumour effects of nanoparticle paclitaxel in gastric cancer models. J Cell Mol Med 2021; 25:4950-4961. [PMID: 33939252 PMCID: PMC8178268 DOI: 10.1111/jcmm.16362] [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: 09/23/2020] [Revised: 12/16/2020] [Accepted: 01/19/2021] [Indexed: 12/24/2022] Open
Abstract
Elevated expression of multiple growth factors and receptors including c‐Met and VEGFR has been reported in gastric adenocarcinoma (GAC) and thus provides a potentially useful therapeutic target. The therapeutic efficacy of foretinib, a c‐Met/VEGFR2 inhibitor, was determined in combination with nanoparticle paclitaxel (NPT) in GAC. Animal studies were conducted in NOD/SCID mice in subcutaneous and peritoneal dissemination xenografts. The mechanism of action was assessed by Immunohistochemical and Immunoblot analyses. In c‐Met overexpressing MKN‐45 cell‐derived xenografts, NPT and foretinib demonstrated inhibition in tumour growth, while NPT plus foretinib showed additive effects. In c‐Met low‐expressing SNU‐1 or patient‐derived xenografts, the foretinib effect was smaller, while NPT had a similar effect compared with MKN‐45, as NPT plus foretinib still exhibited an additive response. Median mice survival was markedly improved by NPT (83%), foretinib (100%) and NPT plus foretinib (230%) in peritoneal dissemination xenografts. Subcutaneous tumour analyses exhibited that foretinib increased cancer cell death and decreased cancer cell proliferation and tumour vasculature. NPT and foretinib suppressed the proliferation of GAC cells in vitro and had additive effects in combination. Further, foretinib caused a dramatic decrease in phosphorylated forms of c‐Met, ERK, AKT and p38. Foretinib led to a decrease in Bcl‐2, and an increase in p27, Bax, Bim, cleaved PARP‐1 and cleaved caspase‐3. Thus, these findings highlight the antitumour impact of simultaneous suppression of c‐Met and VEGFR2 signalling in GAC and its potential to enhance nanoparticle paclitaxel response. This therapeutic approach might lead to a clinically beneficial combination to increase GAC patients’ survival.
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Affiliation(s)
- Meghan Grojean
- Department of Surgery, Indiana University School of Medicine, South Bend, IN, USA
| | - Margaret A Schwarz
- Department of Pediatrics, Indiana University School of Medicine, South Bend, IN, USA.,Harper Cancer Research Institute, University of Notre Dame, South Bend, IN, USA
| | - Johann R Schwarz
- Department of Surgery, Indiana University School of Medicine, South Bend, IN, USA
| | - Sazzad Hassan
- Department of Surgery, Indiana University School of Medicine, South Bend, IN, USA.,Harper Cancer Research Institute, University of Notre Dame, South Bend, IN, USA
| | - Urs von Holzen
- Department of Surgery, Indiana University School of Medicine, South Bend, IN, USA.,Harper Cancer Research Institute, University of Notre Dame, South Bend, IN, USA.,Goshen Center for Cancer Care, Goshen, IN, USA.,University of Basel, Basel, Switzerland
| | - Changhua Zhang
- Department of Gastrointestinal Surgery, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Roderich E Schwarz
- Department of Surgery, Indiana University School of Medicine, South Bend, IN, USA.,Harper Cancer Research Institute, University of Notre Dame, South Bend, IN, USA.,Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA.,University of Buffalo, Buffalo, NY, USA
| | - Niranjan Awasthi
- Department of Surgery, Indiana University School of Medicine, South Bend, IN, USA.,Harper Cancer Research Institute, University of Notre Dame, South Bend, IN, USA
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20
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Malignant Ascites Promote Adhesion of Ovarian Cancer Cells to Peritoneal Mesothelium and Fibroblasts. Int J Mol Sci 2021; 22:ijms22084222. [PMID: 33921783 PMCID: PMC8073321 DOI: 10.3390/ijms22084222] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 04/13/2021] [Accepted: 04/17/2021] [Indexed: 12/19/2022] Open
Abstract
Although malignant ascites (MAs) are known to contribute to various aspects of ovarian cancer progression, knowledge regarding their role in the adhesion of cancer cells to normal peritoneal cells is incomplete. Here, we compared the effect of MAs and benign ascites (BAs) on the adhesion of A2780 and OVCAR-3 cancer cells to omentum-derived peritoneal mesothelial cells (PMCs) and peritoneal fibroblasts (PFBs). The results showed that MAs stimulated the adhesion of A2780 and OVCAR-3 cells to PMCs and PFBs more efficiently than did BAs, and the strongest binding occurred when both cancer and normal cells were exposed to the fluid. Intervention studies showed that MAs-driven adhesion of A2780 cells to PMCs/PFBs depends on the presence of TGF-β1 and HGF, whereas binding of OVCAR-3 cells was mediated by TGF-β1, GRO-1, and IGF-1. Moreover, MAs upregulated α5β1 integrin expression on PFBs but not on PMCs or cancer cells, vimentin expression in all cells tested, and ICAM-1 only in cancer cells. When integrin-linked kinase was neutralized in PMCs or PFBs, cancer cell adhesion to PMCs and PFBs decreased. Collectively, our report shows that MAs may contribute to the early stages of ovarian cancer metastasis by modulating the proadhesive interplay between normal and cancer cells.
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21
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Nagamura Y, Miyazaki M, Nagano Y, Yuki M, Fukami K, Yanagihara K, Sasaki K, Sakai R, Yamaguchi H. PLEKHA5 regulates the survival and peritoneal dissemination of diffuse-type gastric carcinoma cells with Met gene amplification. Oncogenesis 2021; 10:25. [PMID: 33677467 PMCID: PMC7936979 DOI: 10.1038/s41389-021-00314-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 02/10/2021] [Accepted: 02/11/2021] [Indexed: 02/07/2023] Open
Abstract
Met gene amplification has been found in a subset of malignant carcinomas, including diffuse-type gastric carcinoma (DGC), which has a poor prognosis owing to rapid infiltrative invasion and frequent peritoneal dissemination. Met is considered a promising therapeutic target for DGC. However, DGC cells with Met gene amplification eventually acquire resistance to Met inhibitors. Therefore, identification of alternate targets that mediate Met signaling and confer malignant phenotypes is critical. In this study, we conducted a phosphoproteomic analysis of DGC cells possessing Met gene amplification and identified Pleckstrin Homology Domain Containing A5 (PLEKHA5) as a protein that is tyrosine-phosphorylated downstream of Met. Knockdown of PLEKHA5 selectively suppressed the growth of DGC cells with Met gene amplification by inducing apoptosis, even though they had acquired resistance to Met inhibitors. Moreover, PLEKHA5 silencing abrogated the malignant phenotypes of Met-addicted DGC cells, including peritoneal dissemination in vivo. Mechanistically, PLEKHA5 knockdown dysregulates glycolytic metabolism, leading to activation of the JNK pathway that promotes apoptosis. These results indicate that PLEKHA5 is a novel downstream effector of amplified Met and is required for the malignant progression of Met-addicted DGC.
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Affiliation(s)
- Yuko Nagamura
- Department of Cancer Cell Research, Sasaki Institute, Sasaki Foundation, Tokyo, Japan
| | - Makoto Miyazaki
- Department of Cancer Cell Research, Sasaki Institute, Sasaki Foundation, Tokyo, Japan
| | - Yoshiko Nagano
- Department of Cancer Cell Research, Sasaki Institute, Sasaki Foundation, Tokyo, Japan
| | - Masako Yuki
- Department of Cancer Cell Research, Sasaki Institute, Sasaki Foundation, Tokyo, Japan.,Laboratory of Genome and Biosignal, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Tokyo, Japan
| | - Kiyoko Fukami
- Laboratory of Genome and Biosignal, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Tokyo, Japan
| | - Kazuyoshi Yanagihara
- Division of Biomarker Discovery, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Chiba, Japan
| | - Kazuki Sasaki
- Department of Peptidomics, Sasaki Institute, Sasaki Foundation, Tokyo, Japan
| | - Ryuichi Sakai
- Department of Biochemistry, Kitasato University School of Medicine, Kanagawa, Japan
| | - Hideki Yamaguchi
- Department of Cancer Cell Research, Sasaki Institute, Sasaki Foundation, Tokyo, Japan.
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22
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Zeng W, Xing ZT, Tan MY, Wu YW, Zhang CY. Lidocaine suppresses the malignant behavior of gastric cancer cells via the c-Met/c-Src pathway. Exp Ther Med 2021; 21:424. [PMID: 33747163 PMCID: PMC7967831 DOI: 10.3892/etm.2021.9868] [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: 09/30/2020] [Accepted: 12/22/2020] [Indexed: 11/25/2022] Open
Abstract
The present study was designed to investigate the role and mechanism of action behind the action of lidocaine in gastric cancer cells. Lidocaine was tested for its potential role in affecting the viability of cells using Cell Counting Kit-8 (CCK-8) assays. It was found that there was a decreased MKN45 cell viability upon lidocaine treatment in a dose-dependent manner. Phosphorylated c-Met, phosphorylated c-Src, c-Met and c-Src levels were detected using western blotting following lidocaine or hepatocyte growth factor (HGF) intervention. It was found that the phosphorylation levels of c-Met and c-Src were markedly reduced by lidocaine treatment, with this effect being further relieved by the addition of HGF. Subsequently, whether lidocaine repressed the malignant biological properties of gastric cancer cells through the c-Met/c-Src axis was further investigated through the detection of epithelial-mesenchymal transition markers (N-caderin and vimentin), wound healing and transwell assay analysis. In addition, cell apoptosis and the levels of apoptosis-related proteins were determined using TUNEL and western blot assays, respectively. The results demonstrated that the malignant behavior of cells were notably repressed upon lidocaine treatment, but the addition of HGF markedly reversed these effects, indicating that the effects of lidocaine on supressing the malignant behaviour of cells could be mediated through the c-Met/c-Src axis. Subsequently, whether lidocaine affected the sensitivity of cells to cisplatin or 5-FU was analyzed using a CCK-8 assay. Enhanced sensitivity of cells to cisplatin or 5-FU was observed when treated in combination with lidocaine. The present study concluded that the involvement of the c-Met/c-Src pathway in the biological behaviour of MKN45 cells was mediated by lidocaine. Therefore, lidocaine may have the potential to suppress the malignant behaviour and proliferation of gastric cancer cells.
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Affiliation(s)
- Wei Zeng
- Department of Anesthesiology, Affiliated Boai Hospital of Zhongshan, Southern Medical University, Zhongshan, Guangdong 528403, P.R. China
| | - Ze Ting Xing
- Department of Anesthesiology, Affiliated Boai Hospital of Zhongshan, Southern Medical University, Zhongshan, Guangdong 528403, P.R. China
| | - Mei Yun Tan
- Department of Anesthesiology, Affiliated Boai Hospital of Zhongshan, Southern Medical University, Zhongshan, Guangdong 528403, P.R. China
| | - Yan Wen Wu
- Department of Anesthesiology, Affiliated Boai Hospital of Zhongshan, Southern Medical University, Zhongshan, Guangdong 528403, P.R. China
| | - Chun Yuan Zhang
- Department of Anesthesiology, Affiliated Boai Hospital of Zhongshan, Southern Medical University, Zhongshan, Guangdong 528403, P.R. China
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23
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Díaz Del Arco C, Ortega Medina L, Estrada Muñoz L, García Gómez de Las Heras S, Fernández Aceñero MJ. Is there still a place for conventional histopathology in the age of molecular medicine? Laurén classification, inflammatory infiltration and other current topics in gastric cancer diagnosis and prognosis. Histol Histopathol 2021; 36:587-613. [PMID: 33565601 DOI: 10.14670/hh-18-309] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Gastric cancer (GC) is the fifth most common cancer and the third cause of cancer-related deaths worldwide. In western countries, more than half of GC patients are diagnosed at advanced stages and 5-year survival rates range between 20-30%. The only curative treatment is surgery, and despite recent advances in oncological therapies, GC prognosis is still poor. The main prognostic tool for patient categorization and treatment selection is the TNM classification, but its limitations are being increasingly recognized. Early recurrences may occur in early-stage disease, and patients at the same stage show heterogeneous outcomes. Thus, there is a need to improve GC stratification and to identify new prognostic factors, which may allow us to select drug-susceptible populations, refine patient grouping for clinical trials and discover new therapeutic targets. Molecular classifications have been developed, but they have not been translated to the clinical practice. On the other hand, histological assessment is cheap and widely available, and it is still a mainstay in the era of molecular medicine. Furthermore, histological features are acquiring new roles as reflectors of the genotype-phenotype correlation, and their potential impact on patient management is currently being analyzed. The aim of this literature review is to provide a modern overview of the histological assessment of GC. In this study, we discuss recent topics on the histological diagnosis of GC, focusing on the current role of Laurén classification and the potential value of new histological features in GC, such as inflammatory infiltration and tumor budding.
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Affiliation(s)
- Cristina Díaz Del Arco
- Department of Surgical Pathology, Hospital Clínico San Carlos, Madrid, Spain. .,Complutense University of Madrid, Madrid, Spain
| | - Luis Ortega Medina
- Complutense University of Madrid, Madrid, Spain.,Department of Surgical Pathology, Hospital Clínico San Carlos, Madrid, Spain
| | | | | | - Mª Jesús Fernández Aceñero
- Complutense University of Madrid, Madrid, Spain.,Department of Surgical Pathology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
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Gu ML, Zhou XX, Ren MT, Shi KD, Yu MS, Jiao WR, Wang YM, Zhong WX, Ji F. Blockage of ETS homologous factor inhibits the proliferation and invasion of gastric cancer cells through the c-Met pathway. World J Gastroenterol 2020; 26:7497-7512. [PMID: 33384550 PMCID: PMC7754554 DOI: 10.3748/wjg.v26.i47.7497] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 10/13/2020] [Accepted: 11/02/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Gastric cancer (GC) is one of the most common and deadliest types of cancer worldwide due to its delayed diagnosis and high metastatic frequency, but its exact pathogenesis has not been fully elucidated. ETS homologous factor (EHF) is an important member of the ETS family and contributes to the pathogenesis of multiple malignant tumors. To date, whether EHF participates in the development of GC via the c-Met signaling pathway remains unclear.
AIM To investigate the role and mechanism of EHF in the occurrence and development of GC.
METHODS The expression of EHF mRNA in GC tissues and cell lines was measured by quantitative PCR. Western blotting was performed to determine the protein expression of EHF, c-Met, and its downstream signal molecules. The EHF expression in GC tissues was further detected by immunohistochemical staining. To investigate the role of EHF in GC oncogenesis, small interfering RNA (siRNA) against EHF was transfected into GC cells. The cell proliferation of GC cells was determined by Cell Counting Kit-8 and colony formation assays. Flow cytometry was performed following Annexin V/propidium iodide (PI) to identify apoptotic cells and PI staining to analyze the cell cycle. Cell migration and invasion were assessed by transwell assays.
RESULTS The data showed that EHF was upregulated in GC tissues and cell lines in which increased expression of c-Met was also observed. Silencing of EHF by siRNA reduced the proliferation of GC cells. Inhibition of EHF induced significant apoptosis and cell cycle arrest in GC cells. Cell migration and invasion were significantly inhibited. EHF silencing led to c-Met downregulation and further blocked the Ras/c-Raf/extracellular signal-related kinase 1/2 (Erk1/2) pathway. Additionally, phosphatase and tensin homolog was upregulated and glycogen synthase kinase 3 beta was deactivated. Moreover, inactivation of signal transducer and activator of transcription 3 was detected following EHF inhibition, leading to inhibition of the epithelial-to-mesenchymal transition (EMT).
CONCLUSION These results suggest that EHF plays a key role in cell proliferation, invasion, apoptosis, the cell cycle and EMT via the c-Met pathway. Therefore, EHF may serve as an antineoplastic target for the diagnosis and treatment of GC.
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Affiliation(s)
- Meng-Li Gu
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, Zhejiang Province, China
| | - Xin-Xin Zhou
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, Zhejiang Province, China
| | - Meng-Ting Ren
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, Zhejiang Province, China
| | - Ke-Da Shi
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, Zhejiang Province, China
| | - Mo-Sang Yu
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, Zhejiang Province, China
| | - Wen-Rui Jiao
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, Zhejiang Province, China
| | - Ya-Mei Wang
- Department of Gastroenterology, The Fourth Affiliated Hospital, College of Medicine, Zhejiang University, Yiwu 322000, Zhejiang Province, China
| | - Wei-Xiang Zhong
- Department of Pathology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, Zhejiang Province, China
| | - Feng Ji
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, Zhejiang Province, China
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MET targeting: time for a rematch. Oncogene 2020; 39:2845-2862. [PMID: 32034310 DOI: 10.1038/s41388-020-1193-8] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 01/16/2020] [Accepted: 01/24/2020] [Indexed: 12/21/2022]
Abstract
MET, the receptor tyrosine kinase (RTK) for hepatocyte growth factor, is a proto-oncogene involved in embryonic development and throughout life in homeostasis and tissue regeneration. Deregulation of MET signaling has been reported in numerous malignancies, prompting great interest in MET targeting for cancer therapy. The present review offers a summary of the biology of MET and its known functions in normal physiology and carcinogenesis, followed by an overview of the most relevant MET-targeting strategies and corresponding clinical trials, highlighting both past setbacks and promising future prospects. By placing their efforts on a more precise stratification strategy through the genetic analysis of tumors, modern trials such as the NCI-MATCH trial could revive the past enthusiasm for MET-targeted therapy.
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Evaluation of Intratumoral and Intertumoral Heterogeneity of MET Protein Expression in Gastric Cancer. Appl Immunohistochem Mol Morphol 2019; 26:445-453. [PMID: 28968267 DOI: 10.1097/pai.0000000000000448] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Tumor heterogeneity of a target molecule could contribute to failure of the targeted therapy. We investigated the heterogeneity of MET expression within same primary gastric cancer (GC) and between primary and corresponding secondary GC lesions using immunohistochemistry (IHC). Intratumoral heterogeneity was defined as discordant MET status among 3 tissue microarray cores (3 different areas of same tumor). IHC 3+ was considered positive for MET overexpression. MET overexpression was observed in 2.7% (50/1869) of all examined cores and 5.3% (33/623) of primary GCs. When we compared MET IHC results between 3 cores from each tumor, intratumoral heterogeneity was identified (65.0% in total 623 cases; 84.4% in 480 cases with any staining intensity; 84.9% in 251 cases with moderate to strong intensity; 90.9% in 33 cases with strong intensity). Of 33 MET-overexpressed GCs, the average proportion of strongly stained area was 19.6% in the whole sections. Of 269 cases with primary GC and regional lymph node metastasis, 17 (6.3%) showed MET positivity in which 9 (52.9%) were discordant (negative conversion). In 123 cases with primary and corresponding local recurrent/distant metastatic GC, 3 (2.4%) showed MET positivity in which 2 (66.7%) were discordant (positive conversion). In the survival analysis, MET IHC 3+ in lymph node metastases was an independent negative prognostic factor for overall survival. We found that MET overexpression is uncommon and highly heterogeneous in GC. This severe heterogeneity of MET status should be considered in tissue sampling and development of biomarkers for anti-MET therapy.
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HGF/c-MET: A Promising Therapeutic Target in the Digestive System Cancers. Int J Mol Sci 2018; 19:ijms19113295. [PMID: 30360560 PMCID: PMC6274736 DOI: 10.3390/ijms19113295] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Revised: 10/10/2018] [Accepted: 10/15/2018] [Indexed: 02/07/2023] Open
Abstract
The HGF/c-MET pathway is active in the development of digestive system cancers, indicating that inhibition of HGF/c-MET signaling may have therapeutic potential. Various HGF/c-MET signaling inhibitors, mainly c-MET inhibitors, have been tested in clinical trials. The observed efficacy and adverse events of some c-MET inhibitors were not very suitable for treating digestive system cancers. The development of new HGF/c-MET inhibitors in preclinical studies may bring promising treatments and synergistic combination (traditional anticancer drugs and c-MET inhibitors) strategies provided anacceptable safety and tolerability. Insights into miRNA biology and miRNA therapeutics have made miRNAs attractive tools to inhibit HGF/c-MET signaling. Recent reports show that several microRNAs participate in inhibiting HGF/c-MET signaling networks through antagonizing c-MET or HGF in digestive system cancers, and the miRNAs-HGF/c-MET axis plays crucial and novel roles for cancer treatment. In the current review, we will discuss recent findings about inhibitors of HGF/c-MET signaling in treating digestive system cancers, and how miRNAs regulate digestive system cancers via mediating HGF/c-MET pathway.
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Yang G, Fu Y, Lu X, Wang M, Dong H, Li Q. LncRNA HOTAIR/miR-613/c-met axis modulated epithelial-mesenchymal transition of retinoblastoma cells. J Cell Mol Med 2018; 22:5083-5096. [PMID: 30030888 PMCID: PMC6156449 DOI: 10.1111/jcmm.13796] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 05/16/2018] [Accepted: 05/26/2018] [Indexed: 12/13/2022] Open
Abstract
Since lncRNAs could modulate neoplastic development by modulating downstream miRNAs and genes, this study was carried out to figure out the synthetic contribution of HOTAIR, miR-613 and c-met to viability, apoptosis and proliferation of retinoblastoma cells. Totally 276 retinoblastoma tissues and tumour-adjacent tissues were collected, and human retinoblastoma cell lines (ie, Y79, HXO-Rb44, SO-Rb50 and WERI-RB1) were also gathered. Moreover, transfections of pcDNA3.1-HOTAIR, si-HOTAIR, miR-613 mimic, miR-613 inhibitor, pcDNA3.1/c-met were performed to evaluate the influence of HOTAIR, miR-613 and c-met on viability, apoptosis and epithelial-mesenchymal transition (EMT) of retinoblastoma cells. Dual-luciferase reporter gene assay was also arranged to confirm the targeted relationship between HOTAIR and miR-613, as well as between miR-613 and c-met. Consequently, up-regulated HOTAIR and down-regulated miR-613 expressions displayed associations with poor survival status of retinoblastoma patients (P < 0.05). Besides, inhibited HOTAIR and promoted miR-613 elevated E-cadherin expression, yet decreased Snail and Vimentin expressions (P < 0.05). Simultaneously, cell proliferation and cell viability were also less-motivated (P < 0.05). Nonetheless, c-met prohibited the functioning of miR-613, resulting in promoted cell proliferation and viability, along with inhibited cell apoptosis (P < 0.05). Finally, HOTAIR was verified to directly target miR-613, and c-met was the direct target gene of miR-613 (P < 0.05). In conclusion, the role of lncRNA HOTAIR/miR-613/c-met signalling axis in modulating retinoblastoma cells' viability, apoptosis and expressions of EMT-specific proteins might provide evidences for developing appropriate diagnostic and treatment strategies for retinoblastoma.
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Affiliation(s)
- Ge Yang
- Department of OphthalmologyThe First Affiliated Hospital of Zhengzhou UniversityZhengzhou CityChina
| | - Yang Fu
- Department of General SurgeryThe First Affiliated Hospital of Zhengzhou UniversityZhengzhou CityChina
| | - Xiaoyan Lu
- Department of OphthalmologyThe First Affiliated Hospital of Zhengzhou UniversityZhengzhou CityChina
| | - Menghua Wang
- Department of OphthalmologyThe First Affiliated Hospital of Zhengzhou UniversityZhengzhou CityChina
| | - Hongtao Dong
- Department of OphthalmologyThe First Affiliated Hospital of Zhengzhou UniversityZhengzhou CityChina
| | - Qiuming Li
- Department of OphthalmologyThe First Affiliated Hospital of Zhengzhou UniversityZhengzhou CityChina
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HGF-mediated crosstalk between cancer-associated fibroblasts and MET-unamplified gastric cancer cells activates coordinated tumorigenesis and metastasis. Cell Death Dis 2018; 9:867. [PMID: 30158543 PMCID: PMC6115420 DOI: 10.1038/s41419-018-0922-1] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 07/24/2018] [Accepted: 07/27/2018] [Indexed: 12/12/2022]
Abstract
Cancer-associated fibroblasts (CAFs) are important components of tumor stroma and play a key role in tumor progression. CAFs involve in crosstalk with tumor cells through various kinds of cytokines. In the present study, we screened hepatocyte growth factor (HGF) as a cytokine predominantly originating from CAFs. CAFs-derived HGF was found to promote MET-unamplified gastric cancer (GC) proliferation, migration, and invasion through the activation of HGF/c-Met/STAT3/twist1 pathway. It also activated interleukin (IL)-6/IL-6R/JAK2/STAT3/twist1 pathway by up-regulating IL-6R expression. As IL-6 was also found to upregulate c-Met expression, we identified the cooperation of HGF and IL-6 in enhancing the characteristics of CAFs. In vivo experiments revealed that CAFs-derived HGF promoted tumorigenesis and metastasis of MET-unamplified GC. Gene set enrichment analysis (GSEA) was performed to confirm our findings. Our study found that the increased expression of HGF in CAFs induced by MET-unamplified GC contributed to the malignant phenotype of both MET-unamplified GC and CAFs in tumor microenvironment.
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Okugawa Y, Toiyama Y, Ichikawa T, Kawamura M, Yasuda H, Fujikawa H, Saigusa S, Ohi M, Araki T, Tanaka K, Inoue Y, Tanaka M, Miki C, Kusunoki M. Colony-stimulating factor-1 and colony-stimulating factor-1 receptor co-expression is associated with disease progression in gastric cancer. Int J Oncol 2018; 53:737-749. [PMID: 29767252 DOI: 10.3892/ijo.2018.4406] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 04/10/2018] [Indexed: 11/06/2022] Open
Abstract
Colony‑stimulating‑factor‑1 (CSF‑1) is a hematopoietic growth factor that exerts its effects through the c‑fms/CSF‑1 receptor (CSF‑1R). The CSF‑1/CSF‑1R axis is thought to be involved in the development of several types of cancer. This study aimed to clarify the clinical and biological significance of the CSF‑1/CSF‑1R axis in gastric cancer (GC). For this purpose, we evaluated CSF‑1 and CSF‑1R expression in GC tissues from 148 patients by RT‑qPCR and immunohistochemistry. The biological roles of the CSF‑1/CSF‑1R axis were investigated by measuring the cell proliferation and migration, and anoikis resistance in a human GC cell line following treatment with recombinant human CSF‑1 and/or CSF‑1R inhibitor. The results revealed that an elevated expression of CSF‑1 or CSF‑1R significantly correlated with disease progression and with a poor overall survival (OS, P=0.037 and 0.016, respectively) and disease‑free survival (DFS, P<0.001 and <0.001, respectively) of patients with GC. Furthermore, a high co‑expression of CSF‑1 and CSF‑1R was an independent prognostic factor for OS (HR, 1.38; 95% CI, 1.02‑1.88; P=0.038) and DFS (HR, 1.79; 95% CI, 1.21‑2.67; P=0.004), and an independent risk factor for lymph node and peritoneal metastasis. Immunohistochemical analysis revealed an intense CSF‑1/CSF‑1R expression in the cytoplasm of cancer cells in primary GC tissues. CSF‑1 or CSF‑1R expression positively correlated with vascular endothelial growth factor A (VEGFA) or Fms related tyrosine kinase 1 (FLT1) expression in GC tissues. Treatment with recombinant human CSF‑1 promoted proliferation, migration and anoikis resistance in a GC cell line. These effects were generally blocked by CSF‑1R inhibition. On the whole, the findings of this study indicate that the CSF‑1/CSF‑1R axis may be a clinically useful prognostic and predictive biomarker for lymph node and peritoneal metastasis and a potential therapeutic target in GC.
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Affiliation(s)
- Yoshinaga Okugawa
- Department of Surgery and Medical Oncology, Iga City General Hospital, Iga, Mie 518-0823, Japan
| | - Yuji Toiyama
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Mie University Graduate School of Medicine, Tsu, Mie 514-8507, Japan
| | - Takashi Ichikawa
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Mie University Graduate School of Medicine, Tsu, Mie 514-8507, Japan
| | - Mikio Kawamura
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Mie University Graduate School of Medicine, Tsu, Mie 514-8507, Japan
| | - Hiromi Yasuda
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Mie University Graduate School of Medicine, Tsu, Mie 514-8507, Japan
| | - Hiroyuki Fujikawa
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Mie University Graduate School of Medicine, Tsu, Mie 514-8507, Japan
| | - Susumu Saigusa
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Mie University Graduate School of Medicine, Tsu, Mie 514-8507, Japan
| | - Masaki Ohi
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Mie University Graduate School of Medicine, Tsu, Mie 514-8507, Japan
| | - Toshimitsu Araki
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Mie University Graduate School of Medicine, Tsu, Mie 514-8507, Japan
| | - Koji Tanaka
- Department of Surgery and Medical Oncology, Iga City General Hospital, Iga, Mie 518-0823, Japan
| | - Yasuhiro Inoue
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Mie University Graduate School of Medicine, Tsu, Mie 514-8507, Japan
| | - Motoyoshi Tanaka
- Department of Surgery and Medical Oncology, Iga City General Hospital, Iga, Mie 518-0823, Japan
| | - Chikao Miki
- Department of Surgery and Medical Oncology, Iga City General Hospital, Iga, Mie 518-0823, Japan
| | - Masato Kusunoki
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Mie University Graduate School of Medicine, Tsu, Mie 514-8507, Japan
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Abstract
Gastroesophageal cancer (GEC) remains a major cause of cancer-related mortality worldwide. Although the incidence of distal gastric adenocarcinoma (GC) is declining in the United States, proximal esophagogastric junction adenocarcinoma (EGJ) is increasing in incidence. GEC, including GC and EGJ, is treated uniformly in the metastatic setting. Overall survival in the metastatic setting remains poor. Molecular characterization of GEC has identified mutations and copy number variations, along with other oncogenes, biomarkers, and immuno-oncologic checkpoints that may serve as actionable therapeutic targets. This article reviews these key aberrations, their impact on protein expression, therapeutic implications, and clinical directions within each pathway.
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Affiliation(s)
- Steven B Maron
- Section of Hematology/Oncology, University of Chicago Comprehensive Cancer Center, 900 E 57th St, Suite 7128, Chicago, IL 60637, USA
| | - Daniel V T Catenacci
- Section of Hematology/Oncology, University of Chicago Comprehensive Cancer Center, 900 E 57th St, Suite 7128, Chicago, IL 60637, USA.
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Tang H, Massi D, Hemmings BA, Mandalà M, Hu Z, Wicki A, Xue G. AKT-ions with a TWIST between EMT and MET. Oncotarget 2018; 7:62767-62777. [PMID: 27623213 PMCID: PMC5308764 DOI: 10.18632/oncotarget.11232] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2016] [Accepted: 07/28/2016] [Indexed: 02/07/2023] Open
Abstract
The transcription factor Twist is an important regulator of cranial suture during embryogenesis. Closure of the neural tube is achieved via Twist-triggered cellular transition from an epithelial to mesenchymal phenotype, a process known as epithelial-mesenchymal transition (EMT), characterized by a remarkable increase in cell motility. In the absence of Twist activity, EMT and associated phenotypic changes in cell morphology and motility can also be induced, albeit moderately, by other transcription factor families, including Snail and Zeb. Aberrant EMT triggered by Twist in human mammary tumour cells was first reported to drive metastasis to the lung in a metastatic breast cancer model. Subsequent analysis of many types of carcinoma demonstrated overexpression of these unique EMT transcription factors, which statistically correlated with worse outcome, indicating their potential as biomarkers in the clinic. However, the mechanisms underlying their activation remain unclear. Interestingly, increasing evidence indicates they are selectively activated by distinct intracellular kinases, thereby acting as downstream effectors facilitating transduction of cytoplasmic signals into nucleus and reprogramming EMT and mesenchymal-epithelial transition (MET) transcription to control cell plasticity. Understanding these relationships and emerging data indicating differential phosphorylation of Twist leads to complex and even paradoxical functionalities, will be vital to unlocking their potential in clinical settings.
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Affiliation(s)
- Huifang Tang
- Department of Pharmacology, Zhejiang University School of Basic Medical Sciences, Hangzhou, China
| | - Daniela Massi
- Department of Surgery and Translational Medicine, University of Florence, Florence, Italy
| | - Brian A Hemmings
- Department of Mechanisms of Cancer, Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Mario Mandalà
- Department of Oncology and Hematology, Papa Giovanni XXIII Hospital, Bergamo, Italy
| | - Zhengqiang Hu
- Department of Pharmacology, Zhejiang University School of Basic Medical Sciences, Hangzhou, China
| | - Andreas Wicki
- Department of Biomedicine, University Hospital Basel, Basel, Switzerland
| | - Gongda Xue
- Department of Biomedicine, University Hospital Basel, Basel, Switzerland
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Dong G, Wang M, Gu G, Li S, Sun X, Li Z, Cai H, Zhu Z. MACC1 and HGF are associated with survival in patients with gastric cancer. Oncol Lett 2017; 15:3207-3213. [PMID: 29435059 DOI: 10.3892/ol.2017.7710] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Accepted: 11/02/2017] [Indexed: 02/06/2023] Open
Abstract
Metastasis-associsated in colon cancer 1 (MACC1), a newly identified oncogene, promotes tumor cell proliferation and invasion. In the present study, the expression of MACC1, hepatocyte growth factor (HGF) and its receptor, MET proto-oncogene (c-Met), was investigated in human gastric cancer tissues and adjacent normal tissues by immunohistochemistry. The association between the expression levels of the proteins and the clinicopathological parameters of the tumors were statistically analyzed. Furthermore, lentiviral particles expressing MACC1 were used to infect the hepatic satellite cell (HSC) line LX2. The expression of α-smooth muscle actin (SMA), HGF, matrix metallopeptidase (MMP)-2 and MMP-9 in human HSCs was examined by western blotting and reverse transcription-quantitative polymerase chain reaction. Transwell assays were used to measure the effect of MACC1-infected or non-infected HSCs on the migration and invasion abilities of MKN45 and MKN74 gastric carcinoma cells in vitro. The results demonstrated that positive protein expression of MACC1, HGF and c-Met was significantly higher in human gastric cancer tissues compared with adjacent normal tissues. Positive expression of MACC1 and c-Met in gastric cancer tissues had no correlation with the sex, age, tumor location and peritoneal metastasis of patients, but was significantly correlated with tumor size, depth of tumor invasion, lymph node metastasis, TNM stage, histological differentiation, and overall (5 years) and disease-free survival (5 years). Positive expression of each MACC1, HGF and c-Met protein was demonstrated to be positively correlated with each other in human gastric cancer tissues. Western blotting results confirmed that MACC1 protein was overexpressed in MACC1-overexpressing lentivirus-infected HSCs. Overexpression of MACC1 significantly increased HGF, MMP-2, MMP-9 and α-SMA expression levels in HSCs. Results from the Transwell assays indicated an increase in the number of MKN45 or MKN74 cells migrating towards MACC1-overexpressing HSCs, compared with control HSCs. These findings suggested that MACC1 may regulate the expression of HGF, MMP-2 and MMP-9 in HSCs, and may thus promote migration and invasion of gastric carcinoma cells. MACC1, HGF and c-Met might cooperatively participate in the malignant progression of gastric cancer. In conclusion, MACC1 might serve as a useful molecular target for the diagnosis, treatment and prognosis of gastric cancer.
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Affiliation(s)
- Guokai Dong
- Department of Forensic Medicine, Xuzhou Medical University, Xuzhou, Jiangsu 221000, P.R. China
| | - Man Wang
- Department of Medical Oncology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu 221000, P.R. China
| | - Guangfu Gu
- Department of Medical Oncology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu 221000, P.R. China
| | - Shanshan Li
- Department of Forensic Medicine, Xuzhou Medical University, Xuzhou, Jiangsu 221000, P.R. China
| | - Xiaoming Sun
- Department of Forensic Medicine, Xuzhou Medical University, Xuzhou, Jiangsu 221000, P.R. China
| | - Zhouru Li
- Department of Forensic Medicine, Xuzhou Medical University, Xuzhou, Jiangsu 221000, P.R. China
| | - Hongxing Cai
- Department of Forensic Medicine, Xuzhou Medical University, Xuzhou, Jiangsu 221000, P.R. China
| | - Zhengqiu Zhu
- Department of Medical Oncology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu 221000, P.R. China
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Lauren Histologic Type Is the Most Important Factor Associated With Pattern of Recurrence Following Resection of Gastric Adenocarcinoma. Ann Surg 2017; 267:105-113. [PMID: 27759618 DOI: 10.1097/sla.0000000000002040] [Citation(s) in RCA: 108] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVE To examine sites of initial recurrence in patients after resection of gastric and gastroesophageal junction Siewert II/III adenocarcinoma (GA). BACKGROUND There are few recent studies on recurrence for Western patients following potentially curative resection of GA. METHODS A review of a prospectively maintained, single institution database was performed. Clinicopathologic factors, site(s) of initial recurrence, disease-free survival, and overall survival were examined. RESULTS From January 2000 to June 2010, 957 patients underwent potentially curative resection for GA, 435 patients (46%) had recurrent disease, and complete data on recurrence site(s) could be obtained in 386 patients. Tumors were Lauren intestinal type in 206 (53%) and diffuse or mixed-type in 180 (47%). Median time to recurrence was 12 months and 75% of recurrences occurred within 2 years. There was a significant difference in pattern of initial recurrence between the intestinal and diffuse/mixed cohorts (P < 0.001). For intestinal tumors, distant metastasis was the most common site (54%), followed by locoregional (20%), peritoneal (15%), and multifocal (11%). For diffuse/mixed tumors, peritoneal recurrence was the most common (37%), followed by distant (32%), locoregional (22%), and multifocal (9%). On multivariate analysis, Lauren histologic type was the only significant factor that was associated with both peritoneal recurrence (diffuse, hazard ratio 2.22, confidence interval 1.38-3.94) and distant recurrence (intestinal, hazard ratio 1.888, confidence interval 1.202-2.966). After recurrence, median overall survival was only 8.4 months. CONCLUSIONS In GA patients who recur after resection, patterns of recurrence vary significantly based on Lauren histologic type.
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The Prognostic Significance of c-MET and EGFR Overexpression in Resected Gastric Adenocarcinomas. Am J Clin Oncol 2017; 40:543-551. [PMID: 26125303 DOI: 10.1097/coc.0000000000000202] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVES Epidermal growth factor receptor (EGFR) and c-MET are tyrosine kinase growth factor receptors implicated in gastric cancer (GC), and their pathways appear to be interdependent. The aim of this study was to investigate the prognostic value of EGFR and c-MET protein overexpression by immunohistochemistry in Canadian patients with resected GC and correlate it with clinicopathologic characteristics and overall survival (OS). MATERIALS AND METHODS Tissue microarray blocks were constructed from 120 resected GCs stained with EGFR and c-MET and scored semiquantitatively (0 to 3+). Each receptor's expression was compared with clinicopathologic characteristics and survival. Descriptive statistics, Kaplan-Meyer, and Cox regression were used for statistical analyses. RESULTS Of the 113 interpretable cases, overexpression of EGFR and c-MET was noted in 17 (15%) and 65 (57%), respectively; coexpression of EGFR and c-MET was observed in 12 (10%) of GC. EGFR and c-MET overexpression correlated with poor OS: median 13 versus 30 months in EGFR positive versus negative GC (hazard ratio [HR]=1.67, P=0.11); 27 versus 49 months in c-MET positive versus negative GC (HR=1.17, P=0.49), respectively. GC coexpressing EGFR and c-MET was significantly correlated with poor survival: 12 versus 29 months in double-positive versus rest of tumors both in univariate (HR=2.62, P=0.003) and multivariate analyses (HR=2.58, P=0.01). CONCLUSIONS This study describes the prevalence and prognostic value of EGFR and c-MET in a Canadian population of patients undergoing curative intent resection for GC. Both c-MET and EGFR overexpression trended toward poor OS, but only the group with EGFR+/c-MET+ GC reached statistical significance on multivariate analysis.
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Huang X, Wang C, Sun J, Luo J, You J, Liao L, Li M. Clinical value of CagA, c-Met, PI3K and Beclin-1 expressed in gastric cancer and their association with prognosis. Oncol Lett 2017; 15:947-955. [PMID: 29422968 PMCID: PMC5772925 DOI: 10.3892/ol.2017.7394] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2015] [Accepted: 05/11/2017] [Indexed: 12/12/2022] Open
Abstract
Gastric cancer (GC) is the fourth most common type of malignant tumor worldwide, and causes the second highest number of cancer-associated mortalities in 2012. Gastric tumorigenesis is a multistep and multifactorial process. In the present study, tissue microarray and immunohistochemistry analysis were used to detect cytotoxin-associated gene A (CagA), c-Met, phosphatidylinositol-4,5-bisphosphate 3-kinase (PI3K) and Beclin-1 expression in 121 GC tumors and 120 normal gastric tissues. The clinical relevance and prognostic implications of CagA, c-Met, PI3K and Beclin-1 expression in GC patients were analyzed. Furthermore, the Cox proportional hazards model was performed to indicate the independent prognostic factors for GC patients, including various clinicopathological parameters and CagA, c-Met, PI3K and Beclin-1 expression. The results indicated that CagA-positive H. pylori infection, c-Met, PI3K and Beclin-1 may have major roles in the oncogenesis, invasion and lymph node metastasis of GC. The disease-free survival rate was negatively associated with the expression of c-Met and CagA in tissues, and was positively associated with Beclin-1 expression. Overall survival was also negatively associated with the expression of c-Met and PI3K, and was positively associated with Beclin-1 expression. This indicated that c-Met and Beclin-1 may be independent and efficient biomarkers for predicting the DFS of patients with GC. Furthermore, in CagA-positive H. pylori infection-associated GC, c-Met expression was significantly upregulated and Beclin-1 expression was significantly downregulated. CagA-positive H. pylori infection therefore associated with the c-Met signaling pathway and the suppression of autophagy in the neoplasia, invasion and metastasis of GC.
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Affiliation(s)
- Xiaojun Huang
- Department of Microbiology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China.,Department of Pathogenic Biology and Immunology, School of Medicine, Hubei University for Nationalities, Enshi, Hubei 445000, P.R. China
| | - Chaoqun Wang
- Department of Microbiology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China.,Department of Pathology, Xuzhou Medical College, Xuzhou, Jiangsu 221004, P.R. China
| | - Jinmin Sun
- Department of Pathology, Xuzhou Medical College, Xuzhou, Jiangsu 221004, P.R. China
| | - Jun Luo
- Department of Microbiology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Jiangzhou You
- Department of Microbiology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Linchuan Liao
- Department of Microbiology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Mingyuan Li
- Department of Microbiology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China
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Sun F, Feng M, Guan W. Mechanisms of peritoneal dissemination in gastric cancer. Oncol Lett 2017; 14:6991-6998. [PMID: 29344127 DOI: 10.3892/ol.2017.7149] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2015] [Accepted: 03/21/2017] [Indexed: 12/15/2022] Open
Abstract
Peritoneal dissemination is the most frequent metastatic pattern of gastric cancer, but the mechanisms underlying peritoneal dissemination are yet to be elucidated. Paget's 'seed and soil' hypothesis is recognized as the fundamental theory of metastasis. The 'seeding' theory proposes that the formation of peritoneal dissemination is a multistep process, including detachment from the primary tumour, transmigration and attachment to the distant peritoneum, invasion into subperitoneal tissue and proliferation with blood vascular neogenesis. In the present review, the progress of each step is discussed. Milky spots, as a lymphatic apparatus, are indicative of lymphatic orifices on the surface of the peritoneum. These stomata are open gates for peritoneal-free cancer cells to migrate into the submesothelial space. Therefore, milky spots provide suitable 'soil' for cancer cells to implant. Other theories have also been proposed to clarify the peritoneal dissemination process, including the transvessel metastasis theory, which suggests that the peritoneal metastasis of gastric cancer develops via a vascular network mediated by hypoxia inducible factor-1α.
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Affiliation(s)
- Feng Sun
- Department of General Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu 210008, P.R. China
| | - Min Feng
- Department of General Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu 210008, P.R. China
| | - Wenxian Guan
- Department of General Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu 210008, P.R. China
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38
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Yang SY, Nguyen TT, Ung TT, Jung YD. Role of Recepteur D'origine Nantais on Gastric Cancer Development and Progression. Chonnam Med J 2017; 53:178-186. [PMID: 29026705 PMCID: PMC5636756 DOI: 10.4068/cmj.2017.53.3.178] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Revised: 07/13/2017] [Accepted: 07/17/2017] [Indexed: 01/12/2023] Open
Abstract
Recepteur d'origine nantais (RON) is a receptor tyrosine kinase belonging to the subfamily of which c-MET is the prototype. Large epidemiologic studies have confirmed the strong association between RON and gastric cancer development. Constitutive activation of RON signaling directly correlates with tumorigenic phenotypes of gastric cancer and a poor survival rate in advanced gastric cancer patients. In this review, we focus on recent evidence of the aberrant expression and activation of RON in gastric cancer tumors and provide insights into the mechanism of RON signaling associated with gastric cancer progression and metastasis. Current therapeutics against RON in gastric cancer are summarized.
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Affiliation(s)
- Sung Yeul Yang
- Department of Biochemistry, Chonnam National University Medical School, Gwangju, Korea
| | - Thi Thinh Nguyen
- Department of Biochemistry, Chonnam National University Medical School, Gwangju, Korea
| | - Trong Thuan Ung
- Department of Biochemistry, Chonnam National University Medical School, Gwangju, Korea
| | - Young Do Jung
- Department of Biochemistry, Chonnam National University Medical School, Gwangju, Korea
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Abstract
Gastroesophageal cancer (GEC) remains a major cause of cancer-related mortality worldwide. Although the incidence of distal gastric adenocarcinoma (GC) is declining in the United States, proximal esophagogastric junction adenocarcinoma (EGJ) incidence is rising. GC and EGJ, together, are treated uniformly in the metastatic setting as GEC. Overall survival in the metastatic setting remains poor, with few molecular targeted approaches having been successfully incorporated into routine care to date-only first-line anti-HER2 therapy for ERBB2 amplification and second-line anti-VEGFR2 therapy. This article reviews aberrations in epidermal growth factor receptor, MET, and ERBB2, their therapeutic implications, and future directions in targeting these pathways.
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Affiliation(s)
- Steven B Maron
- Section of Hematology/Oncology, University of Chicago Comprehensive Cancer Center, 5841 South Maryland Avenue, Chicago, IL 60637, USA
| | - Daniel V T Catenacci
- The University of Chicago Medical Center & Biological Sciences, 900 East 57th Street, KCBD Building, Office 7128, Chicago, IL 60637, USA.
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Targeting c-MET in gastrointestinal tumours: rationale, opportunities and challenges. Nat Rev Clin Oncol 2017; 14:562-576. [PMID: 28374784 DOI: 10.1038/nrclinonc.2017.40] [Citation(s) in RCA: 116] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Data from many preclinical studies, including those using cellular models of colorectal, gastric, gastro-oesophageal and gastro-oesophageal junction cancers, indicate that the hepatocyte growth factor (HGF)-hepatocyte growth factor receptor (c-MET) pathway is vital for the growth, survival and invasive potential of gastrointestinal cancers. Following the availability of data from these various studies, and data on c-MET expression as a biomarker that indicates a poor prognosis in patients with gastrointestinal cancer and increased c-MET expression, inhibitors targeting this pathway have entered the clinic in the past decade. However, the design of clinical trials that incorporate the use of HGF/c-MET inhibitors in their most appropriate genetic and molecular context remains crucial. Recognizing and responding to this challenge, the European Commission funded Framework 7 MErCuRIC programme is running a biomarker-enriched clinical trial investigating the efficacy of combined c-MET/MEK inhibition in patients with RAS-mutant or RAS-wild-type metastatic colorectal cancer with aberrant c-MET expression. The design of this trial enables the continued refinement of the predictive biomarker and co-development of companion diagnostics. In this Review, we focus on advances in our understanding of inhibition of the HGF/c-MET pathway in patients with gastro-intestinal cancers, the prominent challenges facing the clinical translation and implementation of agents targeting HGF/c-MET, and discuss the various efforts, and associated obstacles to the discovery and validation of biomarkers that will enable patient stratification in this context.
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41
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Trovato M, Campennì A, Giovinazzo S, Siracusa M, Ruggeri RM. Hepatocyte Growth Factor/C-Met Axis in Thyroid Cancer: From Diagnostic Biomarker to Therapeutic Target. Biomark Insights 2017; 12:1177271917701126. [PMID: 28469401 PMCID: PMC5391983 DOI: 10.1177/1177271917701126] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2016] [Accepted: 03/03/2017] [Indexed: 12/26/2022] Open
Abstract
The hepatocyte growth factor (HGF)/c-met axis plays a crucial role in cancer development by promoting cellular proliferation, motility, and morphogenesis, as well as angiogenesis. Different cellular distributions of both the ligand and the receptor in benign vs malignant lesions indicate this biological system as a candidate for a diagnostic biomarker of malignancy occurring in endocrine glands, such as the thyroid and pituitary. Furthermore, the HGF/c-met expression may help to identify a subset of patients eligible for potential targeted therapies with HGF/c-met inhibitors or antagonists in thyroid tumour, as well as in other malignancies. This may be relevant for iodine-refractory cancers, the treatment of which is still a major challenge. With this in mind, HGF/c-met expression in thyroid cancer tissue may be useful for prognostic and therapeutic stratification of patients.
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Affiliation(s)
- Maria Trovato
- Department of Clinical and Experimental Medicine, Unit of Endocrinology, University of Messina, Messina, Italy
| | - Alfredo Campennì
- Department of Biomedical Sciences and Morphological and Functional Images, Unit of Nuclear Medicine, University of Messina, Messina, Italy
| | - Salvatore Giovinazzo
- Department of Clinical and Experimental Medicine, Unit of Endocrinology, University of Messina, Messina, Italy
| | - Massimiliano Siracusa
- Department of Biomedical Sciences and Morphological and Functional Images, Unit of Nuclear Medicine, University of Messina, Messina, Italy
| | - Rosaria Maddalena Ruggeri
- Department of Clinical and Experimental Medicine, Unit of Endocrinology, University of Messina, Messina, Italy
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Chen GZ, Dai WS, Zhu HC, Song HM, Yang X, Wang YD, Min H, Lu Q, Liu S, Sun XC, Zeng XN. Foretinib Enhances the Radiosensitivity in Esophageal Squamous Cell Carcinoma by Inhibiting Phosphorylation of c-Met. J Cancer 2017; 8:983-992. [PMID: 28529610 PMCID: PMC5436250 DOI: 10.7150/jca.18135] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2016] [Accepted: 12/23/2016] [Indexed: 12/13/2022] Open
Abstract
As a crucial event involved in the metastasis and relapse of esophageal cancer, c-Met overexpression has been considered as one of the culprits responsible for the failure in patients who received radiochemotherapy. Since c-Met has been confirmed to be pivotal for cell survival, proliferation and migration, little is known about its impact on the regulation of radiosensitivity in esophageal cancer. The present study investigated the radiosensitization effects of c-Met inhibitor foretinib in ECA-109 and TE-13 cell lines. Foretinib inhibited c-Met signaling in a dose-dependent manner resulting in decreases in the cell viability of ECA-109 and TE-13. Pretreatment with foretinib synergistically prompted cell apoptosis and G2/M arrest induced by irradiation. Moreover, decreases ability of DNA damage repair was also observed. In vivo studies confirmed that the combinatorial use of foretinib with irradiation significantly diminishes tumor burden compared to either treatment alone. The present findings implied a crucial role of c-Met in the modulation of radiosensitization in esophageal cancer, and foretinib increased the radiosensitivity in ECA-109 and TE-13 cells mainly via c-Met signaling, highlighting a novel profile of foretinib as a potential radiosensitizer for the treatment of esophageal cancer.
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Affiliation(s)
- Guang-Zong Chen
- Department of Radiation Oncology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Wang-Shu Dai
- Department of Radiation Oncology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Hong-Cheng Zhu
- Department of Radiation Oncology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Hong-Mei Song
- Department of Radiation Oncology, Lianyungang NO.2 People's Hospital Affiliated to Bengbu Medical College, Lianyungang 222000, China
| | - Xi Yang
- Department of Radiation Oncology, the Cancer Hospital of Fudan University, Shanghai 200000, China
| | - Yuan-Dong Wang
- Department of Radiation Oncology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Hua Min
- Department of Radiation Oncology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Qian Lu
- Department of Radiation Oncology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Shu Liu
- Department of Radiation Oncology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Xin-Chen Sun
- Department of Radiation Oncology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Xiao-Ning Zeng
- Department of Respiratory & Critical Care Medicine, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
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43
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Price EW, Carnazza KE, Carlin SD, Cho A, Edwards KJ, Sevak KK, Glaser JM, de Stanchina E, Janjigian YY, Lewis JS. 89Zr-DFO-AMG102 Immuno-PET to Determine Local Hepatocyte Growth Factor Protein Levels in Tumors for Enhanced Patient Selection. J Nucl Med 2017; 58:1386-1394. [PMID: 28280216 DOI: 10.2967/jnumed.116.187310] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Accepted: 02/15/2017] [Indexed: 11/16/2022] Open
Abstract
The hepatocyte growth factor (HGF) binding antibody rilotumumab (AMG102) was modified for use as a 89Zr-based immuno-PET imaging agent to noninvasively determine the local levels of HGF protein in tumors. Because recent clinical trials of HGF-targeting therapies have been largely unsuccessful in several different cancers (e.g., gastric, brain, lung), we have synthesized and validated 89Zr-DFO-AMG102 as a companion diagnostic for improved identification and selection of patients having high local levels of HGF in tumors. To date, patient selection has not been performed using the local levels of HGF protein in tumors. Methods: The chelator p-SCN-Bn-DFO was conjugated to AMG102, radiolabeling with 89Zr was performed in high radiochemical yields and purity (>99%), and binding affinity of the modified antibody was confirmed using an enzyme-linked immunosorbent assay (ELISA)-type binding assay. PET imaging, biodistribution, autoradiography and immunohistochemistry, and ex vivo HGF ELISA experiments were performed on murine xenografts of U87MG (HGF-positive, MET-positive) and MKN45 (HGF-negative, MET-positive) and 4 patient-derived xenografts (MET-positive, HGF unknown). Results: Tumor uptake of 89Zr-DFO-AMG102 at 120 h after injection in U87MG xenografts (HGF-positive) was high (36.8 ± 7.8 percentage injected dose per gram [%ID/g]), whereas uptake in MKN45 xenografts (HGF-negative) was 5.0 ± 1.3 %ID/g and a control of nonspecific human IgG 89Zr-DFO-IgG in U87MG tumors was 11.5 ± 3.3 %ID/g, demonstrating selective uptake in HGF-positive tumors. Similar experiments performed in 4 different gastric cancer patient-derived xenograft models showed low uptake of 89Zr-DFO-AMG102 (∼4-7 %ID/g), which corresponded with low HGF levels in these tumors (ex vivo ELISA). Autoradiography, immunohistochemical staining, and HGF ELISA assays confirmed that elevated levels of HGF protein were present only in U87MG tumors and that 89Zr-DFO-AMG102 uptake was closely correlated with HGF protein levels in tumors. Conclusion: The new immuno-PET imaging agent 89Zr-DFO-AMG102 was successfully synthesized, radiolabeled, and validated in vitro and in vivo to selectively accumulate in tumors with high local levels of HGF protein. These results suggest that 89Zr-DFO-AMG102 would be a valuable companion diagnostic tool for the noninvasive selection of patients with elevated local concentrations of HGF in tumors for planning any HGF-targeted therapy, with the potential to improve clinical outcomes.
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Affiliation(s)
- Eric W Price
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Kathryn E Carnazza
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Sean D Carlin
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Andrew Cho
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Kimberly J Edwards
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Kuntal K Sevak
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Jonathan M Glaser
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Elisa de Stanchina
- Antitumor Assessment Core Facility, Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Yelena Y Janjigian
- Gastrointestinal Oncology Service, Memorial Sloan Kettering Cancer Center, New York, New York; and
| | - Jason S Lewis
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York .,Program in Molecular Pharmacology, Memorial Sloan Kettering Cancer Center, New York, New York
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Yıldız Y, Sokmensuer C, Yalcin S. Evaluation of c-Met, HGF, and HER-2 expressions in gastric carcinoma and their association with other clinicopathological factors. Onco Targets Ther 2016; 9:5809-5817. [PMID: 27703380 PMCID: PMC5036569 DOI: 10.2147/ott.s107946] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Background Met and HER-2 are proto-oncogenes encoding receptor tyrosine kinase c-Met and HER-2, respectively. Hepatocyte growth factor (HGF) is a ligand of c-Met. The frequency of c-Met, HGF, and HER-2 expressions in gastric cancer and their association with other clinicopathological factors have not been fully understood. Patients and methods Patients with stage 1–4 disease were analyzed. Expressions of c-Met, HGF, and HER-2 were examined using immunohistochemistry. Results A total of 143 patients, 97 males and 46 females, were included. C-Met scores were 3(+) in 31.5%, 2(+) in 27.3%, and 1(+) in 10.5% of the patients. There was no statistically significant difference in age, sex, tumor location, differentiation, Lauren classification, TNM staging, presence of distant metastasis, depth of tumor invasion (T), lymphovascular invasion, and survival between c-Met subgroups. Overall HGF positivity was 20.6%. HER-2 scores were 3(+) in 9.1%, 2(+) in 9.8%, and 1(+) in 16.1% of the patients. HER-2 overexpression was associated with better differentiation, intestinal subtype, and advanced stage. C-Met overexpressions were 84.6% in the HER-2-overexpression-positive group and 56.2% in the HER-2-overexpression-negative group. There were no statistically significant differences in survival between the high c-Met-expression-positive and -negative stage 3 and stage 4 patients and between the HGF-positive and -negative groups. The mean survival was 11.6±6.3 months in the HER-2-overexpression-positive stage 4 group and 11.9±6.8 months in the HER-2-overexpression-negative stage 4 group. There were no statistically significant differences in survival between the two groups. Conclusion c-Met was not associated with any prognostic factors in gastric cancer. HER-2 was associated with better differentiation, intestinal subtype, advanced stage, and c-Met overexpression.
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Affiliation(s)
| | - Cenk Sokmensuer
- Department of Pathology, Hacettepe University, Ankara, Turkey
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Shah MA, Cho JY, Tan IB, Tebbutt NC, Yen CJ, Kang A, Shames DS, Bu L, Kang YK. A Randomized Phase II Study of FOLFOX With or Without the MET Inhibitor Onartuzumab in Advanced Adenocarcinoma of the Stomach and Gastroesophageal Junction. Oncologist 2016; 21:1085-90. [PMID: 27401892 DOI: 10.1634/theoncologist.2016-0038] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Accepted: 05/17/2016] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND The phase II YO28252 study (NCT01590719) examined first-line onartuzumab plus mFOLFOX6 in patients with metastatic, human epidermal growth factor receptor 2-negative adenocarcinoma of the stomach or gastroesophageal junction. MET immunohistochemistry expression as a biomarker of onartuzumab activity was also examined. PATIENTS AND METHODS Patients were randomized 1:1 to receive standard mFOLFOX6 plus onartuzumab (10 mg/kg) or placebo in 2-week cycles for 12 cycles, followed by onartuzumab or placebo until disease progression. Coprimary endpoints were progression-free survival (PFS) in intent-to-treat (ITT) and MET-positive populations. The target hazard ratio (HR) was 0.70 for patients in the ITT group and 0.60 in the MET-positive population. Secondary endpoints were overall survival (OS), overall response rate (ORR), and safety. RESULTS Overall, 123 patients were enrolled (n = 62 onartuzumab, n = 61 placebo). Median PFS was 6.77 versus 6.97 months for onartuzumab versus placebo, respectively (HR, 1.08; 95% confidence interval [CI], 0.71-1.63; p = .71). In the MET-positive population, median PFS was 5.95 versus 6.80 months, onartuzumab versus placebo (HR, 1.38; 95% CI, 0.60-3.20; p = .45). Median OS was 10.61 months for onartuzumab versus 11.27 months for placebo) (HR, 1.06, 0.64-1.75; p = .83). In the MET-positive population, median OS was 8.51 versus 8.48 months for onartuzumab versus placebo, respectively (HR, 1.12, 95% CI, 0.45-2.78; p = .80). ORR was 60.5% for the onartuzumab group and 57.1% for placebo. Grade 3-5 adverse events (AEs) were seen in 88.3% of patients receiving onartuzumab and in 78.3% of patients receiving placebo, with serious AEs in 55% and 40%, respectively. CONCLUSION The addition of onartuzumab to mFOLFOX6 in gastric cancer did not improve efficacy in an unselected population or in a MET immunohistochemistry-positive population. IMPLICATIONS FOR PRACTICE The YO28252 study demonstrated that the addition of the anti-MET agent onartuzumab to mFOLFOX6 for treatment of gastric cancer did not improve efficacy in an overall study population or those selected for positive MET status by immunohistochemistry. This highlights the importance of correctly selecting biomarkers for targeted therapies. A multivariate analysis suggested that MET positivity may still be prognostic for worse median overall survival in gastric cancer; therefore, it is important to continue investigation into the optimal approach to inhibit MET signaling in gastric cancer.
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Affiliation(s)
- Manish A Shah
- Weill Cornell Medicine Center for Advanced Digestive Care, New York-Presbyterian Hospital, New York, New York, USA
| | - Jae-Yong Cho
- Severance Hospital (Gangnam), Seoul, Republic of Korea
| | | | | | - Chia-Jui Yen
- National Cheng Kung University Hospital, Tainan City, Taiwan, Republic of China
| | - Alice Kang
- Roche Product Development in Asia Pacific, Shanghai, People's Republic of China
| | - David S Shames
- Oncology Biomarker Development, Genentech Inc., South San Francisco, California, USA
| | - Lilian Bu
- Roche Product Development in Asia Pacific, Shanghai, People's Republic of China
| | - Yoon-Koo Kang
- Asan Medical Center, University of Ulsan, Seoul, Republic of Korea
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Kawakami H, Okamoto I. MET-targeted therapy for gastric cancer: the importance of a biomarker-based strategy. Gastric Cancer 2016; 19:687-95. [PMID: 26690587 DOI: 10.1007/s10120-015-0585-x] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Accepted: 11/29/2015] [Indexed: 02/07/2023]
Abstract
The MET protooncogene encodes the receptor tyrosine kinase c-MET (MET). Aberrant activation of MET signaling occurs in a subset of advanced malignancies, including gastric cancer, and promotes tumor cell growth, survival, migration, and invasion as well as tumor angiogenesis, suggesting its potential importance as a therapeutic target. MET can be activated by two distinct pathways that are dependent on or independent of its ligand, hepatocyte growth factor (HGF), with the latter pathway having been attributed mostly to MET amplification in gastric cancer. Preclinical evidence has suggested that interruption of the HGF-MET axis either with antibodies to HGF or with MET tyrosine kinase inhibitors (TKIs) has antitumor effects in gastric cancer cells. Overexpression of MET occurs frequently in gastric cancer and has been proposed as a potential predictive biomarker for anti-MET therapy. However, several factors can trigger such MET upregulation in a manner independent of HGF, suggesting that gastric tumors with MET overexpression are not necessarily MET driven. On the other hand, gastric cancer cells with MET amplification are dependent on MET signaling for their survival and are thus vulnerable to MET TKI treatment. Given the low prevalence of MET amplification in gastric cancer (approximately 8 %), testing for this genetic change would substantially narrow the target population but it might constitute a better biomarker than MET overexpression for MET TKI therapy. We compare aberrant MET signaling dependent on the HGF-MET axis or on MET amplification as well as address clinical issues and challenges associated with the identification of appropriate biomarkers for MET-driven tumors.
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Affiliation(s)
- Hisato Kawakami
- Department of Medical Oncology, Kinki University Faculty of Medicine, 377-2 Ohno-higashi, Osaka-Sayama, Osaka, 589-8511, Japan
| | - Isamu Okamoto
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashiku, Fukuoka, 812-8582, Japan.
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47
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Matsusaka S, Kobunai T, Yamamoto N, Chin K, Ogura M, Tanaka G, Matsuoka K, Ishikawa Y, Mizunuma N, Yamaguchi T. Prognostic impact of KRAS mutant type and MET amplification in metastatic and recurrent gastric cancer patients treated with first-line S-1 plus cisplatin chemotherapy. Genes Cancer 2016; 7:27-35. [PMID: 27014419 PMCID: PMC4773703 DOI: 10.18632/genesandcancer.96] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Receptor tyrosine kinase (RTK)-related genes, including HER2, EGFR, MET, FGFR2 and KRAS, are target molecules that are clinically beneficial in gastric cancer (GC). We investigated the correlation between RTK-related genes and the curative effect of first-line S-1 plus cisplatin (SP) combination chemotherapy in metastatic and recurrent GC. We enrolled 150 patients with histopathologically confirmed metastatic and recurrent GC treated with SP. KRAS mutation was detected using direct sequencing. DNA copy number was measured by real-time PCR. Formalin-fixed paraffin-embedded specimens were examined immunohistochemically for HER2, EGFR, FGFR2 and MET. Among 144 patients, KRAS mutation was detected in five (3.5%) at codon 12 and one (0.7%) at codon 13. FGFR2, EGFR, HER2, MET and KRAS gene amplification was suggested in 4.4%, 5.9%, 9%, 3.7% and 10.3% of patients, respectively. KRAS mutation, but not KRAS amplification, was associated with significantly shorter overall and progression-free survival. MET membranous overexpression was associated with a significantly higher tumor response. MET amplification was associated with significantly shorter overall survival. We show for the first time that KRAS mutation and MET amplification are promising predictive markers in metastatic and recurrent GC patients treated with SP. KRAS status may be a useful prognostic marker in patients treated with SP.
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Affiliation(s)
- Satoshi Matsusaka
- Department of Gastroenterology, Cancer Institute Hospital of the Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Takashi Kobunai
- Translational Research Laboratory, Taiho Pharmaceutical Co., Ltd., Tokyo, Japan
| | - Noriko Yamamoto
- Department of Pathology, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Keisho Chin
- Department of Gastroenterology, Cancer Institute Hospital of the Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Mariko Ogura
- Department of Gastroenterology, Cancer Institute Hospital of the Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Gotaro Tanaka
- Applied Pharmacology Laboratory, Taiho Pharmaceutical Co., Ltd., Tokushima, Japan
| | - Kazuaki Matsuoka
- Translational Research Laboratory, Taiho Pharmaceutical Co., Ltd., Tokyo, Japan
| | - Yuichi Ishikawa
- Department of Pathology, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Nobuyuki Mizunuma
- Department of Gastroenterology, Cancer Institute Hospital of the Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Toshiharu Yamaguchi
- Department of Gastroenterological Surgery, Cancer Institute Hospital of the Japanese Foundation for Cancer Research, Tokyo, Japan
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48
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Wu SM, Lin WY, Shen CC, Pan HC, Keh-Bin W, Chen YC, Jan YJ, Lai DW, Tang SC, Tien HR, Chiu CS, Tsai TC, Lai YL, Sheu ML. Melatonin set out to ER stress signaling thwarts epithelial mesenchymal transition and peritoneal dissemination via calpain-mediated C/EBPβ and NFκB cleavage. J Pineal Res 2016; 60:142-54. [PMID: 26514342 DOI: 10.1111/jpi.12295] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Accepted: 10/26/2015] [Indexed: 12/11/2022]
Abstract
Peritoneal dissemination of tumor has high mortality and is associated with the loss of epithelial features, acquisition of motile mesenchymal morphology characteristics, and invasive properties by tumor cells. Melatonin is an endogenously produced molecule in all plant species that is known to exert antitumor activity, but to date, its underlying mechanisms and antiperitoneal metastasis efficacy is not well defined. This study determined the antiperitoneal dissemination potential of melatonin in vivo and assessed its association with the inhibition of epithelial-to-mesenchymal transition (EMT) signaling mechanism by endoplasmic reticulum (ER) stress, which may be a major molecular mechanism of melatonin against cancer. The results demonstrate that melatonin inhibited peritoneal metastasis in vivo and activated ER stress in Cignal ERSE Reporter Assay, organelle structure in transmission electron microscopy images, calpain activity, and protein biomarkers like p-elf2α. Moreover, the overexpression of transcription factor C/EBPβ in gastric cancer interacted with NFκB and further regulates COX-2 expression. These were dissociated and downregulated by melatonin, as proven by immunofluorescence imaging, immunoprecipitation, EMSA, and ChIP assay. Melatonin or gene silencing of C/EBPβ decreased the EMT protein markers (E-cadherin, Snail, and Slug) and Wnt/beta-catenin activity by Topflash activity, and increased ER stress markers. In an animal study, the results of melatonin therapy were consistent with those of in vitro findings and attenuated systemic proangiogenesis factor production. In conclusion, C/EBPβ and NFκB inhibition by melatonin may impede both gastric tumor growth and peritoneal dissemination by inducing ER stress and inhibiting EMT.
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Affiliation(s)
- Sheng-Mao Wu
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung, Taiwan
| | - Wan-Yu Lin
- Department of Nuclear Medicine, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Chin-Chang Shen
- Institute of Nuclear Energy Research, Atomic Energy Council, Taoyuan, Taiwan
| | - Hung-Chuan Pan
- Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan
- Department of Neurosurgery, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Wang Keh-Bin
- Department of Nuclear Medicine, Kuang Tien General Hospital, Taichung, Taiwan
| | - Yi-Ching Chen
- Department of Nuclear Medicine, Kuang Tien General Hospital, Taichung, Taiwan
| | - Yee-Jee Jan
- Department of Pathology and Laboratory Medicine, Taichung Veterans General Hospital, Taichung, Taiwan
| | - De-Wei Lai
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung, Taiwan
| | - Shu-Ching Tang
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung, Taiwan
| | - Hsing-Ru Tien
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung, Taiwan
| | - Chien-Shan Chiu
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung, Taiwan
| | - Tsung-Chih Tsai
- Department of life Sciences, National Chung Hsing University, Taichung, Taiwan
| | - Yi-Liang Lai
- Division of Gastroenterology, Department of Internal Medicine, Armed Forces Taichung General Hospital, Taiping, Taichung, Taiwan
| | - Meei-Ling Sheu
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung, Taiwan
- Department of Medical Research, Taichung Veterans General Hospital, Taichung, Taiwan
- Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung, Taiwan
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49
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Takahashi N, Furuta K, Taniguchi H, Sasaki Y, Shoji H, Honma Y, Iwasa S, Okita N, Takashima A, Kato K, Hamaguchi T, Shimada Y, Yamada Y. Serum level of hepatocyte growth factor is a novel marker of predicting the outcome and resistance to the treatment with trastuzumab in HER2-positive patients with metastatic gastric cancer. Oncotarget 2016; 7:4925-38. [PMID: 26716644 PMCID: PMC4826254 DOI: 10.18632/oncotarget.6753] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2015] [Accepted: 11/26/2015] [Indexed: 12/12/2022] Open
Abstract
HER2-overexpression in tumor tissue is observed in 6 to 23% of advanced gastric cancer (GC) cases, and trastuzumab is an active molecular drug for these patients. There are no data available on whether serum levels of ligands are associated with the response and resistance to trastuzumab in HER2-positive patients with metastatic GC. HER2 screening of 502 patients with advanced gastric cancer was performed in our institution. Among these patients, 84 patients (16.8%) were diagnosed as HER2-positive, and those who were treated with trastuzumab and met the inclusion criteria were enrolled in the present study. Serum levels of ligands that affect the HER2 signal pathway were measured by an enzyme-linked immunosorbent assay. Forty-six HER2-positive patients were enrolled in this study, and 26 patients (56.5%) achieved a partial response to treatment with trastuzumab. Among several ligands, the serum level of hepatocyte growth factor (HGF) was significantly lower in responders compared with that in non-responders (p = 0.014). Multivariate analyses showed that a high level of serum HGF was a poor prognostic factor for overall survival (OS) compared with low levels of HGF (adjusted HR: 3.857, 95% CI: 1.309-11.361, p = 0.014). Among 25 patients without initial disease progression on the treatment with trastuzumab, the mean value of serum HGF at disease progression was significantly higher than that at pre-treatment (p = 0.041). As novel findings, our study indicated that serum level of HGF was associated with tumor shrinkage and time to progression of trastuzumab in HER2-positive patients with metastatic GC.
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Affiliation(s)
- Naoki Takahashi
- Division of Gastrointestinal Oncology, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan
| | - Koh Furuta
- Division of Clinical Laboratories, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan
| | - Hirokazu Taniguchi
- Division of Pathology, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan
| | - Yusuke Sasaki
- Division of Gastrointestinal Oncology, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan
| | - Hirokazu Shoji
- Division of Gastrointestinal Oncology, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan
| | - Yoshitaka Honma
- Division of Gastrointestinal Oncology, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan
| | - Satoru Iwasa
- Division of Gastrointestinal Oncology, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan
| | - Natsuko Okita
- Division of Gastrointestinal Oncology, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan
| | - Atsuo Takashima
- Division of Gastrointestinal Oncology, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan
| | - Ken Kato
- Division of Gastrointestinal Oncology, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan
| | - Tetsuya Hamaguchi
- Division of Gastrointestinal Oncology, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan
| | - Yasuhiro Shimada
- Division of Gastrointestinal Oncology, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan
- Division of Clinical Oncology, Kochi Health Sciences Center, 2125-1 Ike, Koch-city, Koch, 781–8555, Japan
| | - Yasuhide Yamada
- Division of Gastrointestinal Oncology, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan
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50
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Gayyed MF, Abd El-Maqsoud NMR, El-Hameed El-Heeny AA, Mohammed MF. c-MET expression in colorectal adenomas and primary carcinomas with its corresponding metastases. J Gastrointest Oncol 2015; 6:618-27. [PMID: 26697193 DOI: 10.3978/j.issn.2078-6891.2015.072] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND c-MET plays an important role in tumor proliferation, invasion and metastasis. In this study we examined the expression of c-MET in colorectal adenomas, primary adenocarcinomas and their corresponding lymph node, peritoneal and liver metastases. We correlated our findings with clinicopathological features. METHODS Twenty three cases of colorectal adenoma and 102 cases of primary colorectal carcinoma and their corresponding metastases (44 lymph nodes, 21 peritoneal deposits and 16 liver metastases) were studied to evaluate c-MET expression by immunohistochemistry. For comparison, 12 sections of adjacent healthy colorectal mucosa were examined. RESULTS Statistically significant differences were present among normal tissues, colorectal adenomas and primary colorectal carcinomas (P=0.011). Normal tissues showed a negative or weak reaction in 66.67% and 33.33% of cases respectively. Expression of c-MET was positive in 47.8% of adenomas. A significant positive association was identified between c-MET high expression and degree of dysplasia (P=0.024). c-MET was highly expressed in 66.7% of primary colorectal carcinoma. Significant positive correlations were detected between c-MET expression and TNM stage (P=0.036), lymph node metastasis (LNM), peritoneal deposits and liver metastasis (P=0.038, P=0.094 and P=0.045, respectively). c-MET expression in metastatic tissues was significantly higher than that of the primary tumor. CONCLUSIONS c-MET expression is gradually up-regulated in the development and progression of colorectal cancer (CRC) from normal epithelium to adenoma to colorectal carcinoma to metastases.
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Affiliation(s)
- Mariana Fathy Gayyed
- 1 Department of Pathology, 2 Department of General Surgery, Faculty of Medicine, Minia University, Minia, Egypt ; 3 Department of General Surgery, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Nehad M R Abd El-Maqsoud
- 1 Department of Pathology, 2 Department of General Surgery, Faculty of Medicine, Minia University, Minia, Egypt ; 3 Department of General Surgery, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Amr Abd El-Hameed El-Heeny
- 1 Department of Pathology, 2 Department of General Surgery, Faculty of Medicine, Minia University, Minia, Egypt ; 3 Department of General Surgery, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Mostafa Fuad Mohammed
- 1 Department of Pathology, 2 Department of General Surgery, Faculty of Medicine, Minia University, Minia, Egypt ; 3 Department of General Surgery, Faculty of Medicine, Ain Shams University, Cairo, Egypt
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