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Kon E, Ad-El N, Hazan-Halevy I, Stotsky-Oterin L, Peer D. Targeting cancer with mRNA-lipid nanoparticles: key considerations and future prospects. Nat Rev Clin Oncol 2023; 20:739-754. [PMID: 37587254 DOI: 10.1038/s41571-023-00811-9] [Citation(s) in RCA: 34] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/25/2023] [Indexed: 08/18/2023]
Abstract
Harnessing mRNA-lipid nanoparticles (LNPs) to treat patients with cancer has been an ongoing research area that started before these versatile nanoparticles were successfully used as COVID-19 vaccines. Currently, efforts are underway to harness this platform for oncology therapeutics, mainly focusing on cancer vaccines targeting multiple neoantigens or direct intratumoural injections of mRNA-LNPs encoding pro-inflammatory cytokines. In this Review, we describe the opportunities of using mRNA-LNPs in oncology applications and discuss the challenges for successfully translating the findings of preclinical studies of these nanoparticles into the clinic. We critically appraise the potential of various mRNA-LNP targeting and delivery strategies, considering physiological, technological and manufacturing challenges. We explore these approaches in the context of the potential clinical applications best suited to each approach and highlight the obstacles that currently need to be addressed to achieve these applications. Finally, we provide insights from preclinical and clinical studies that are leading to this powerful platform being considered the next frontier in oncology treatment.
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Affiliation(s)
- Edo Kon
- Laboratory of Precision Nanomedicine, Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
- Department of Materials Sciences and Engineering, Iby and Aladar Fleischman Faculty of Engineering, Tel Aviv University, Tel Aviv, Israel
- Center for Nanoscience and Nanotechnology, Tel Aviv University, Tel Aviv, Israel
- Cancer Biology Research Center, Tel Aviv University, Tel Aviv, Israel
| | - Nitay Ad-El
- Laboratory of Precision Nanomedicine, Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
- Department of Materials Sciences and Engineering, Iby and Aladar Fleischman Faculty of Engineering, Tel Aviv University, Tel Aviv, Israel
- Center for Nanoscience and Nanotechnology, Tel Aviv University, Tel Aviv, Israel
- Cancer Biology Research Center, Tel Aviv University, Tel Aviv, Israel
| | - Inbal Hazan-Halevy
- Laboratory of Precision Nanomedicine, Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
- Department of Materials Sciences and Engineering, Iby and Aladar Fleischman Faculty of Engineering, Tel Aviv University, Tel Aviv, Israel
- Center for Nanoscience and Nanotechnology, Tel Aviv University, Tel Aviv, Israel
- Cancer Biology Research Center, Tel Aviv University, Tel Aviv, Israel
| | - Lior Stotsky-Oterin
- Laboratory of Precision Nanomedicine, Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
- Department of Materials Sciences and Engineering, Iby and Aladar Fleischman Faculty of Engineering, Tel Aviv University, Tel Aviv, Israel
- Center for Nanoscience and Nanotechnology, Tel Aviv University, Tel Aviv, Israel
- Cancer Biology Research Center, Tel Aviv University, Tel Aviv, Israel
| | - Dan Peer
- Laboratory of Precision Nanomedicine, Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel.
- Department of Materials Sciences and Engineering, Iby and Aladar Fleischman Faculty of Engineering, Tel Aviv University, Tel Aviv, Israel.
- Center for Nanoscience and Nanotechnology, Tel Aviv University, Tel Aviv, Israel.
- Cancer Biology Research Center, Tel Aviv University, Tel Aviv, Israel.
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2
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Qin A, Qin Y, Lee J, Musket A, Ying M, Krenciute G, Marincola FM, Yao ZQ, Musich PR, Xie Q. Tyrosine kinase signaling-independent MET-targeting with CAR-T cells. J Transl Med 2023; 21:682. [PMID: 37779207 PMCID: PMC10544186 DOI: 10.1186/s12967-023-04521-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 09/11/2023] [Indexed: 10/03/2023] Open
Abstract
BACKGROUND Recent progress in cancer immunotherapy encourages the expansion of chimeric antigen receptor (CAR) T cell therapy in solid tumors including hepatocellular carcinoma (HCC). Overexpression of MET receptor tyrosine kinase is common in HCC; however, MET inhibitors are effective only when MET is in an active form, making patient stratification difficult. Specific MET-targeting CAR-T cells hold the promise of targeting HCC with MET overexpression regardless of signaling pathway activity. METHODS MET-specific CARs with CD28ζ or 4-1BBζ as co-stimulation domains were constructed. MET-CAR-T cells derived from healthy subjects (HS) and HCC patients were evaluated for their killing activity and cytokine release against HCC cells with various MET activations in vitro, and for their tumor growth inhibition in orthotopic xenograft models in vivo. RESULTS MET-CAR.CD28ζ and MET-CAR.4-1BBζ T cells derived from both HS and HCC patients specifically killed MET-positive HCC cells. When stimulated with MET-positive HCC cells in vitro, MET-CAR.CD28ζ T cells demonstrated a higher level of cytokine release and expression of programmed cell death protein 1 (PD-1) than MET-CAR.4-1BBζ T cells. When analyzed in vivo, MET-CAR.CD28ζ T cells more effectively inhibited HCC orthotopic tumor growth in mice when compared to MET-CAR.4-1BBζ T cells. CONCLUSION We generated and characterized MET-specific CAR-T cells for targeting HCC with MET overexpression regardless of MET activation. Compared with MET-CAR.4-1BBζ, MET-CAR.CD28ζ T cells showed a higher anti-HCC potency but also a higher level of T cell exhaustion. While MET-CAR.CD28ζ is preferred for further development, overcoming the exhaustion of MET-CAR-T cells is necessary to improve their therapeutic efficacy in vivo.
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Affiliation(s)
- Anna Qin
- Department of Biomedical Sciences, Quillen College of Medicine, East Tennessee State University, Johnson City, TN, 37614, USA
| | - Yuan Qin
- Department of Biomedical Sciences, Quillen College of Medicine, East Tennessee State University, Johnson City, TN, 37614, USA
| | - Joseph Lee
- Department of Surgery, Quillen College of Medicine, East Tennessee State University, Johnson City, TN, 37614, USA
| | - Anna Musket
- Department of Biomedical Sciences, Quillen College of Medicine, East Tennessee State University, Johnson City, TN, 37614, USA
| | - Mingyao Ying
- Department of Neurology, Hugo W. Moser Research Institute at Kennedy Krieger, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Giedre Krenciute
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | | | - Zhi Q Yao
- Department of Internal Medicine, Quillen College of Medicine, East Tennessee State University, Johnson City, TN, 37614, USA
- Center of Excellence for Inflammation, Infectious Disease and Immunity, Quillen College of Medicine, East Tennessee State University, Johnson City, TN, 37614, USA
| | - Phillip R Musich
- Department of Biomedical Sciences, Quillen College of Medicine, East Tennessee State University, Johnson City, TN, 37614, USA
| | - Qian Xie
- Department of Biomedical Sciences, Quillen College of Medicine, East Tennessee State University, Johnson City, TN, 37614, USA.
- Center of Excellence for Inflammation, Infectious Disease and Immunity, Quillen College of Medicine, East Tennessee State University, Johnson City, TN, 37614, USA.
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Maksoud S. The DNA Double-Strand Break Repair in Glioma: Molecular Players and Therapeutic Strategies. Mol Neurobiol 2022; 59:5326-5365. [PMID: 35696013 DOI: 10.1007/s12035-022-02915-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 06/05/2022] [Indexed: 12/12/2022]
Abstract
Gliomas are the most frequent type of tumor in the central nervous system, which exhibit properties that make their treatment difficult, such as cellular infiltration, heterogeneity, and the presence of stem-like cells responsible for tumor recurrence. The response of this type of tumor to chemoradiotherapy is poor, possibly due to a higher repair activity of the genetic material, among other causes. The DNA double-strand breaks are an important type of lesion to the genetic material, which have the potential to trigger processes of cell death or cause gene aberrations that could promote tumorigenesis. This review describes how the different cellular elements regulate the formation of DNA double-strand breaks and their repair in gliomas, discussing the therapeutic potential of the induction of this type of lesion and the suppression of its repair as a control mechanism of brain tumorigenesis.
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Affiliation(s)
- Semer Maksoud
- Experimental Therapeutics and Molecular Imaging Unit, Department of Neurology, Neuro-Oncology Division, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA.
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4
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De Herdt MJ, van der Steen B, Baatenburg de Jong RJ, Looijenga LHJ, Koljenović S, Hardillo JA. The Occurrence of MET Ectodomain Shedding in Oral Cancer and Its Potential Impact on the Use of Targeted Therapies. Cancers (Basel) 2022; 14:cancers14061491. [PMID: 35326642 PMCID: PMC8946088 DOI: 10.3390/cancers14061491] [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: 12/28/2021] [Revised: 02/18/2022] [Accepted: 03/10/2022] [Indexed: 02/01/2023] Open
Abstract
Simple Summary Head and neck cancer is the sixth most common cancer type worldwide, comprising tumors of the upper aero/digestive tract. Approximately 50% of these cancers originate in the oral cavity. Depending on disease stage, oral cancer patients are treated with single-modality surgery, or in combination with radiotherapy with or without chemotherapy. Despite advances in these modalities, the 5-year survival rate is merely 50%. Therefore, implementation of targeted therapies, directed against signaling molecules, has gained attention. One potential target is the MET protein, which can be present on the surface of cancer cells, orchestrating aggressive behavior. As cancer cells can shed the extracellular part of MET from their surface, it is important to identify for MET positive patients whether they possess the entire and/or only the intracellular part of the receptor to assess whether targeted therapies directed against the extracellular, intracellular, or both parts of MET need to be implemented. Abstract The receptor tyrosine kinase MET has gained attention as a therapeutic target. Although MET immunoreactivity is associated with progressive disease, use of targeted therapies has not yet led to major survival benefits. A possible explanation is the lack of companion diagnostics (CDx) that account for proteolytic processing. During presenilin-regulated intramembrane proteolysis, MET’s ectodomain is shed into the extracellular space, which is followed by γ-secretase-mediated cleavage of the residual membranous C-terminal fragment. The resulting intracellular fragment is degraded by the proteasome, leading to downregulation of MET signaling. Conversely, a membrane-bound MET fragment lacking the ectodomain (MET-EC-) can confer malignant potential. Use of C- and N-terminal MET monoclonal antibodies (moAbs) has illustrated that MET-EC- occurs in transmembranous C-terminal MET-positive oral squamous cell carcinoma (OSCC). Here, we propose that ectodomain shedding, resulting from G-protein-coupled receptor transactivation of epidermal growth factor receptor signaling, and/or overexpression of ADAM10/17 and/or MET, stabilizes and possibly activates MET-EC- in OSCC. As MET-EC- is associated with poor prognosis in OSCC, it potentially has impact on the use of targeted therapies. Therefore, MET-EC- should be incorporated in the design of CDx to improve patient stratification and ultimately prolong survival. Hence, MET-EC- requires further investigation seen its oncogenic and predictive properties.
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Affiliation(s)
- Maria J. De Herdt
- Department of Otorhinolaryngology and Head and Neck Surgery, Erasmus MC, Cancer Institute, University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands; (B.v.d.S.); (R.J.B.d.J.); (J.A.H.)
- Correspondence: ; Tel.: +31-10-7044490
| | - Berdine van der Steen
- Department of Otorhinolaryngology and Head and Neck Surgery, Erasmus MC, Cancer Institute, University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands; (B.v.d.S.); (R.J.B.d.J.); (J.A.H.)
| | - Robert J. Baatenburg de Jong
- Department of Otorhinolaryngology and Head and Neck Surgery, Erasmus MC, Cancer Institute, University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands; (B.v.d.S.); (R.J.B.d.J.); (J.A.H.)
| | - Leendert H. J. Looijenga
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands;
- Department of Pathology, Erasmus MC, Cancer Institute, University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands
| | - Senada Koljenović
- Department of Pathology, Antwerp University Hospital, 2650 Edegem, Belgium;
| | - Jose A. Hardillo
- Department of Otorhinolaryngology and Head and Neck Surgery, Erasmus MC, Cancer Institute, University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands; (B.v.d.S.); (R.J.B.d.J.); (J.A.H.)
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Proteolytic Landscapes in Gastric Pathology and Cancerogenesis. Int J Mol Sci 2022; 23:ijms23052419. [PMID: 35269560 PMCID: PMC8910283 DOI: 10.3390/ijms23052419] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 02/17/2022] [Accepted: 02/18/2022] [Indexed: 02/01/2023] Open
Abstract
Gastric cancer is a leading cause of cancer-related death, and a large proportion of cases are inseparably linked to infections with the bacterial pathogen and type I carcinogen Helicobacter pylori. The development of gastric cancer follows a cascade of transformative tissue events in an inflammatory environment. Proteases of host origin as well as H. pylori-derived proteases contribute to disease progression at every stage, from chronic gastritis to gastric cancer. In the present article, we discuss the importance of (metallo-)proteases in colonization, epithelial inflammation, and barrier disruption in tissue transformation, deregulation of cell proliferation and cell death, as well as tumor metastasis and neoangiogenesis. Proteases of the matrix metalloproteinase (MMP) and a disintegrin and metalloproteinase domain-containing protein (ADAM) families, caspases, calpain, and the H. pylori proteases HtrA, Hp1012, and Hp0169 cleave substrates including extracellular matrix molecules, chemokines, and cytokines, as well as their cognate receptors, and thus shape the pathogenic microenvironment. This review aims to summarize the current understanding of how proteases contribute to disease progression in the gastric compartment.
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O'Sullivan Coyne G, Kummar S, Hu J, Ganjoo K, Chow WA, Do KT, Zlott J, Bruns A, Rubinstein L, Foster JC, Juwara L, Meehan R, Piekarz R, Streicher H, Sharon E, Takebe N, Voth AR, Bottaro D, Costello R, Wright JJ, Doroshow JH, Chen AP. Clinical Activity of Single-Agent Cabozantinib (XL184), a Multi-receptor Tyrosine Kinase Inhibitor, in Patients with Refractory Soft-Tissue Sarcomas. Clin Cancer Res 2022; 28:279-288. [PMID: 34716194 PMCID: PMC8776602 DOI: 10.1158/1078-0432.ccr-21-2480] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 09/17/2021] [Accepted: 10/26/2021] [Indexed: 11/16/2022]
Abstract
PURPOSE Soft-tissue sarcomas (STS) are a rare, heterogeneous group of mesenchymal tumors. For decades the mainstay of treatment for advanced, unresectable STS has been palliative chemotherapy. High levels of activated MET receptor have been reported in various sarcoma cell lines, together with elevated vascular endothelial growth factor (VEGF) levels in patients with STS, suggesting that dual targeting of the VEGF and MET pathways with the multi-receptor tyrosine kinase inhibitor cabozantinib would result in clinical benefit in this population. PATIENTS AND METHODS We performed an open-label, multi-institution, single-arm phase II trial of single-agent cabozantinib in adult patients with advanced STS and progressive disease after at least 1 standard line of systemic therapy. Patients received 60 mg oral cabozantinib once daily in 28-day cycles, and dual primary endpoints of overall response rate and 6-month progression-free survival (PFS) were assessed. Changes in several circulating biomarkers were assessed as secondary endpoints. RESULTS Six (11.1%; 95% CI, 4.2%-22.6%) of the 54 evaluable patients enrolled experienced objective responses (all partial responses). Six-month PFS was 49.3% (95% CI, 36.2%-67.3%), with a median time on study of 4 cycles (range, 1-99). The most common grade 3/4 adverse events were hypertension (7.4%) and neutropenia (16.7%). Patients' levels of circulating hepatocyte growth factor (HGF), soluble MET, and VEGF-A generally increased after a cycle of therapy, while soluble VEGFR2 levels decreased, regardless of clinical outcome. CONCLUSIONS Cabozantinib single-agent antitumor activity was observed in patients with selected STS histologic subtypes (alveolar soft-part sarcoma, undifferentiated pleomorphic sarcoma, extraskeletal myxoid chondrosarcoma, and leiomyosarcoma) highlighting the biomolecular diversity of STS.
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Affiliation(s)
- Geraldine O'Sullivan Coyne
- Early Clinical Trials Development Program, Division of Cancer Treatment and Diagnosis, NCI, NIH, Bethesda, Maryland
| | - Shivaani Kummar
- Early Clinical Trials Development Program, Division of Cancer Treatment and Diagnosis, NCI, NIH, Bethesda, Maryland
| | - James Hu
- University of Southern California, Los Angeles, California
| | - Kristen Ganjoo
- Stanford Cancer Center, Stanford University, Palo Alto, California
| | | | - Khanh T Do
- Early Clinical Trials Development Program, Division of Cancer Treatment and Diagnosis, NCI, NIH, Bethesda, Maryland
| | - Jennifer Zlott
- Early Clinical Trials Development Program, Division of Cancer Treatment and Diagnosis, NCI, NIH, Bethesda, Maryland
| | - Ashley Bruns
- Early Clinical Trials Development Program, Division of Cancer Treatment and Diagnosis, NCI, NIH, Bethesda, Maryland
| | - Lawrence Rubinstein
- Biometric Research Program, Division of Cancer Treatment and Diagnosis, NCI, NIH, Bethesda, Maryland
| | - Jared C Foster
- Biometric Research Program, Division of Cancer Treatment and Diagnosis, NCI, NIH, Bethesda, Maryland
| | - Lamin Juwara
- Clinical Monitoring Research Program Directorate, Frederick National Laboratory for Cancer Research, Frederick, Maryland
| | - Robert Meehan
- Early Clinical Trials Development Program, Division of Cancer Treatment and Diagnosis, NCI, NIH, Bethesda, Maryland
| | - Richard Piekarz
- Cancer Therapy Evaluation Program, Division of Cancer Treatment and Diagnosis, NCI, NIH, Bethesda, Maryland
| | - Howard Streicher
- Cancer Therapy Evaluation Program, Division of Cancer Treatment and Diagnosis, NCI, NIH, Bethesda, Maryland
| | - Elad Sharon
- Cancer Therapy Evaluation Program, Division of Cancer Treatment and Diagnosis, NCI, NIH, Bethesda, Maryland
| | - Naoko Takebe
- Early Clinical Trials Development Program, Division of Cancer Treatment and Diagnosis, NCI, NIH, Bethesda, Maryland
| | - Andrea Regier Voth
- Applied/Developmental Research Directorate, Frederick National Laboratory for Cancer Research, Frederick, Maryland
| | - Donald Bottaro
- Center for Cancer Research, NCI, NIH, Bethesda, Maryland
| | - Rene Costello
- Center for Cancer Research, NCI, NIH, Bethesda, Maryland
| | - John J Wright
- Cancer Therapy Evaluation Program, Division of Cancer Treatment and Diagnosis, NCI, NIH, Bethesda, Maryland
| | - James H Doroshow
- Center for Cancer Research, NCI, NIH, Bethesda, Maryland
- Division of Cancer Treatment and Diagnosis, NCI, NIH, Bethesda, Maryland
| | - Alice P Chen
- Early Clinical Trials Development Program, Division of Cancer Treatment and Diagnosis, NCI, NIH, Bethesda, Maryland.
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Huang H. Proteolytic Cleavage of Receptor Tyrosine Kinases. Biomolecules 2021; 11:biom11050660. [PMID: 33947097 PMCID: PMC8145142 DOI: 10.3390/biom11050660] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 04/15/2021] [Accepted: 04/26/2021] [Indexed: 01/18/2023] Open
Abstract
The receptor tyrosine kinases (RTKs) are a large family of cell-surface receptors, which are essential components of signal transduction pathways. There are more than fifty human RTKs that can be grouped into multiple RTK subfamilies. RTKs mediate cellular signaling transduction, and they play important roles in the regulation of numerous cellular processes. The dysregulation of RTK signaling is related to various human diseases, including cancers. The proteolytic cleavage phenomenon has frequently been found among multiple receptor tyrosine kinases. More and more information about proteolytic cleavage in RTKs has been discovered, providing rich insight. In this review, we summarize research about different aspects of RTK cleavage, including its relation to cancer, to better elucidate this phenomenon. This review also presents proteolytic cleavage in various members of the RTKs.
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Affiliation(s)
- Hao Huang
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; or
- Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA
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Klotz DM, Link T, Goeckenjan M, Wimberger P, Kuhlmann JD. The levels of soluble cMET ectodomain in the blood of patients with ovarian cancer are an independent prognostic biomarker. Mol Oncol 2021; 15:2491-2503. [PMID: 33690968 PMCID: PMC8410524 DOI: 10.1002/1878-0261.12939] [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: 01/20/2021] [Revised: 02/16/2021] [Accepted: 03/08/2021] [Indexed: 12/21/2022] Open
Abstract
The tyrosine kinase mesenchymal–epithelial transition (cMET) is typically overexpressed in up to 75% of patients with ovarian cancer, and cMET overexpression has been associated with poor prognosis. The proteolytic release of the soluble cMET (sMET) ectodomain by metalloproteases, a process called ectodomain shedding, reflects the malignant potential of tumour cells. sMET can be detected in the human circulation and has been proposed as biomarker in several cancers. However, the clinical relevance of sMET in ovarian cancer as blood‐based biomarker is unknown and was therefore investigated in this study. sMET levels were determined by enzyme‐linked immunosorbent assay in a set of 432 serum samples from 85 healthy controls and 86 patients with ovarian cancer (87% FIGO III/IV). Samples were collected at primary diagnosis, at four longitudinal follow‐up time points during the course of treatment and at disease recurrence. Although there was no significant difference between median sMET levels at primary diagnosis of ovarian cancer vs. healthy controls, increased sMET levels at primary diagnosis were an independent predictor of shorter PFS (HR = 0.354, 95% CI: 0.130–0.968, P = 0.043) and shorter OS (HR = 0.217, 95% CI: 0.064–0.734, P = 0.014). In the follow‐up samples, sMET levels were prognostically most informative after the first three cycles of chemotherapy, with high sMET levels being an independent predictor of shorter PFS (HR = 0.245, 95% CI: 0.100–0.602, P = 0.002). This is the first study to suggest that sMET levels in the blood can be used as an independent prognostic biomarker for ovarian cancer. Patients at high risk of recurrence and with poor prognosis, as identified based on sMET levels in the blood, could potentially benefit from cMET‐directed therapies or other targeted regimes, such as PARP inhibitors or immunotherapy.
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Affiliation(s)
- Daniel Martin Klotz
- Department of Gynecology and Obstetrics, Medical Faculty and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany.,National Center for Tumour Diseases (NCT), Dresden, Germany.,German Cancer Research Center (DKFZ), Heidelberg, Germany.,Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany.,Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Germany.,German Cancer Consortium (DKTK), Dresden, Germany
| | - Theresa Link
- Department of Gynecology and Obstetrics, Medical Faculty and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany.,National Center for Tumour Diseases (NCT), Dresden, Germany.,German Cancer Research Center (DKFZ), Heidelberg, Germany.,Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany.,Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Germany.,German Cancer Consortium (DKTK), Dresden, Germany
| | - Maren Goeckenjan
- Department of Gynecology and Obstetrics, Medical Faculty and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany.,National Center for Tumour Diseases (NCT), Dresden, Germany.,German Cancer Research Center (DKFZ), Heidelberg, Germany.,Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany.,Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Germany.,German Cancer Consortium (DKTK), Dresden, Germany
| | - Pauline Wimberger
- Department of Gynecology and Obstetrics, Medical Faculty and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany.,National Center for Tumour Diseases (NCT), Dresden, Germany.,German Cancer Research Center (DKFZ), Heidelberg, Germany.,Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany.,Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Germany.,German Cancer Consortium (DKTK), Dresden, Germany
| | - Jan Dominik Kuhlmann
- Department of Gynecology and Obstetrics, Medical Faculty and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany.,National Center for Tumour Diseases (NCT), Dresden, Germany.,German Cancer Research Center (DKFZ), Heidelberg, Germany.,Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany.,Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Germany.,German Cancer Consortium (DKTK), Dresden, Germany
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9
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Apolo AB, Nadal R, Tomita Y, Davarpanah NN, Cordes LM, Steinberg SM, Cao L, Parnes HL, Costello R, Merino MJ, Folio LR, Lindenberg L, Raffeld M, Lin J, Lee MJ, Lee S, Alarcon SV, Yuno A, Dawson NA, Allette K, Roy A, De Silva D, Lee MM, Sissung TM, Figg WD, Agarwal PK, Wright JJ, Ning YM, Gulley JL, Dahut WL, Bottaro DP, Trepel JB. Cabozantinib in patients with platinum-refractory metastatic urothelial carcinoma: an open-label, single-centre, phase 2 trial. Lancet Oncol 2020; 21:1099-1109. [PMID: 32645282 PMCID: PMC8236112 DOI: 10.1016/s1470-2045(20)30202-3] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 03/12/2020] [Accepted: 03/19/2020] [Indexed: 12/23/2022]
Abstract
BACKGROUND Cabozantinib is a multikinase inhibitor of MET, VEGFR, AXL, and RET, which also has an effect on the tumour immune microenvironment by decreasing regulatory T cells and myeloid-derived suppressor cells. In this study, we examined the activity of cabozantinib in patients with metastatic platinum-refractory urothelial carcinoma. METHODS This study was an open-label, single-arm, three-cohort phase 2 trial done at the National Cancer Institute (Bethesda, MD, USA). Eligible patients were 18 years or older, had histologically confirmed urothelial carcinoma or rare genitourinary tract histologies, Karnofsky performance scale index of 60% or higher, and documented disease progression after at least one previous line of platinum-based chemotherapy (platinum-refractory). Cohort one included patients with metastatic urothelial carcinoma with measurable disease as defined by Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1. Two additional cohorts that enrolled in parallel (patients with bone-only urothelial carcinoma metastases and patients with rare histologies of the genitourinary tract) were exploratory. Patients received cabozantinib 60 mg orally once daily in 28-day cycles until disease progression or unacceptable toxicity. The primary endpoint was investigator-assessed objective response rate by RECIST in cohort one. Response was assessed in all patients who met the eligibility criteria and who received at least 8 weeks of therapy. All patients who received at least one dose of cabozantinib were included in the safety analysis. This completed study is registered with ClinicalTrials.gov, NCT01688999. FINDINGS Between Sept 28, 2012, and Oct, 20, 2015, 68 patients were enrolled on the study (49 in cohort one, six in cohort two, and 13 in cohort three). All patients received at least one dose of cabozantinib. The median follow-up was 61·2 months (IQR 53·8-70·0) for the 57 patients evaluable for response. In the 42 evaluable patients in cohort one, there was one complete response and seven partial responses (objective response rate 19%, 95% CI 9-34). The most common grade 3-4 adverse events were fatigue (six [9%] patients), hypertension (five [7%]), proteinuria (four [6%]), and hypophosphataemia (four [6%]). There were no treatment-related deaths. INTERPRETATION Cabozantinib has single-agent clinical activity in patients with heavily pretreated, platinum-refractory metastatic urothelial carcinoma with measurable disease and bone metastases and is generally well tolerated. Cabozantinib has innate and adaptive immunomodulatory properties providing a rationale for combining cabozantinib with immunotherapeutic strategies. FUNDING National Cancer Institute Intramural Program and the Cancer Therapy Evaluation Program.
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Affiliation(s)
- Andrea B Apolo
- Genitourinary Malignancies Branch, Magnuson Clinical Center, Bethesda, MD, USA.
| | - Rosa Nadal
- Genitourinary Malignancies Branch, Magnuson Clinical Center, Bethesda, MD, USA
| | - Yusuke Tomita
- Developmental Therapeutics Branch, Magnuson Clinical Center, Bethesda, MD, USA
| | - Nicole N Davarpanah
- Genitourinary Malignancies Branch, Magnuson Clinical Center, Bethesda, MD, USA
| | - Lisa M Cordes
- Genitourinary Malignancies Branch, Magnuson Clinical Center, Bethesda, MD, USA
| | - Seth M Steinberg
- Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Liang Cao
- Genetics Branch, Magnuson Clinical Center, Bethesda, MD, USA
| | - Howard L Parnes
- Genitourinary Malignancies Branch, Magnuson Clinical Center, Bethesda, MD, USA
| | - Rene Costello
- Genitourinary Malignancies Branch, Magnuson Clinical Center, Bethesda, MD, USA
| | - Maria J Merino
- Laboratory of Pathology, Magnuson Clinical Center, Bethesda, MD, USA
| | - Les R Folio
- Radiology and Imaging Sciences, Magnuson Clinical Center, Bethesda, MD, USA
| | - Liza Lindenberg
- Molecular Imaging Program, Magnuson Clinical Center, Bethesda, MD, USA
| | - Mark Raffeld
- Laboratory of Pathology, Magnuson Clinical Center, Bethesda, MD, USA
| | - Jeffrey Lin
- Genitourinary Malignancies Branch, Magnuson Clinical Center, Bethesda, MD, USA
| | - Min-Jung Lee
- Developmental Therapeutics Branch, Magnuson Clinical Center, Bethesda, MD, USA
| | - Sunmin Lee
- Developmental Therapeutics Branch, Magnuson Clinical Center, Bethesda, MD, USA
| | - Sylvia V Alarcon
- Developmental Therapeutics Branch, Magnuson Clinical Center, Bethesda, MD, USA
| | - Akira Yuno
- Developmental Therapeutics Branch, Magnuson Clinical Center, Bethesda, MD, USA
| | - Nancy A Dawson
- Lombardi Comprehensive Cancer Center, Medstar Georgetown University Hospital, Washington DC, USA
| | - Kimaada Allette
- Genitourinary Malignancies Branch, Center for Cancer Research, Magnuson Clinical Center, Bethesda, MD, USA
| | - Arpita Roy
- Urologic Oncology Branch, Magnuson Clinical Center, Bethesda, MD, USA
| | - Dinuka De Silva
- Urologic Oncology Branch, Magnuson Clinical Center, Bethesda, MD, USA
| | - Molly M Lee
- Urologic Oncology Branch, Magnuson Clinical Center, Bethesda, MD, USA
| | - Tristan M Sissung
- Genitourinary Malignancies Branch, Magnuson Clinical Center, Bethesda, MD, USA
| | - William D Figg
- Genitourinary Malignancies Branch, Magnuson Clinical Center, Bethesda, MD, USA
| | - Piyush K Agarwal
- Urologic Oncology Branch, Magnuson Clinical Center, Bethesda, MD, USA
| | - John J Wright
- Genitourinary Malignancies Branch, Center for Cancer Research, Magnuson Clinical Center, Bethesda, MD, USA
| | - Yangmin M Ning
- Genitourinary Malignancies Branch, Center for Cancer Research, Magnuson Clinical Center, Bethesda, MD, USA
| | - James L Gulley
- Developmental Therapeutics Branch, Magnuson Clinical Center, Bethesda, MD, USA
| | - William L Dahut
- Developmental Therapeutics Branch, Magnuson Clinical Center, Bethesda, MD, USA
| | - Donald P Bottaro
- Urologic Oncology Branch, Magnuson Clinical Center, Bethesda, MD, USA
| | - Jane B Trepel
- Developmental Therapeutics Branch, Magnuson Clinical Center, Bethesda, MD, USA
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10
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MET ectodomain shedding is associated with poor disease-free survival of patients diagnosed with oral squamous cell carcinoma. Mod Pathol 2020; 33:1015-1032. [PMID: 31857683 DOI: 10.1038/s41379-019-0426-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 11/05/2019] [Accepted: 11/06/2019] [Indexed: 01/07/2023]
Abstract
Ectodomain shedding unleashes the aggressive nature of the MET oncogene product. Using specific C- and N-terminal MET antibodies (D1C2 and A2H2-3), MET protein status (i.e., no MET, decoy MET, transmembranous C-terminal MET with or without the ectodomain) was investigated in oral squamous cell carcinoma. For the cancers showing transmembranous C-terminal MET, the impact of ectodomain shedding on prognosis was investigated. To examine ectodomain shedding, reduced lysates of oral squamous cell carcinoma cell lines were immunoblotted using D1C2 and an ELISA was performed on culture media using A2H2-3. In addition, reduced lysates of fresh frozen tissues of 30 oral squamous cell carcinoma were immunoblotted using D1C2 and immunohistochemistry was performed on corresponding formalin-fixed paraffin-embedded tissues using both antibodies on parallel sections. To examine MET protein status, differences between membranous D1C2 and A2H2-3 immunoreactivities were scored using parallel tissue microarray sections representing 156 oral squamous cell carcinoma. The prognostic value of ectodomain shedding was examined using Cox regression analysis for disease-free survival and overall survival. Ectodomain shedding was observed in all cell lines, 43% (n = 13) of fresh frozen and 50% (n = 15) of formalin-fixed paraffin-embedded cancers (27% overlap, n = 8). The tissue microarray showed no MET in 23% (n = 36), decoy MET in 9% (n = 14), and transmembranous C-terminal MET in 68% (n = 106) of examined cancers. Within the latter group, ectodomain shedding occurs in 36% (n = 38) of the cases and is independently associated with poor disease-free survival (HR = 2.41; 95% CI, 1.35-4.30 and P = 0.003)-though not overall survival (HR = 1.64; 95% CI, 0.92-2.94 and P = 0.095)-after correcting for factors known to influence survival. In conclusion, MET ectodomain shedding occurs in transmembranous C-terminal MET positive oral squamous cell carcinoma and is independently associated with disease-free survival. These findings might aid in designing companion diagnostics for targeted therapies directed against MET.
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11
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Zaborowski MP, Cheah PS, Zhang X, Bushko I, Lee K, Sammarco A, Zappulli V, Maas SLN, Allen RM, Rumde P, György B, Aufiero M, Schweiger MW, Lai CPK, Weissleder R, Lee H, Vickers KC, Tannous BA, Breakefield XO. Membrane-bound Gaussia luciferase as a tool to track shedding of membrane proteins from the surface of extracellular vesicles. Sci Rep 2019; 9:17387. [PMID: 31758005 PMCID: PMC6874653 DOI: 10.1038/s41598-019-53554-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 10/25/2019] [Indexed: 12/29/2022] Open
Abstract
Extracellular vesicles (EVs) released by cells play a role in intercellular communication. Reporter and targeting proteins can be modified and exposed on the surface of EVs to investigate their half-life and biodistribution. A characterization of membrane-bound Gaussia luciferase (mbGluc) revealed that its signal was detected also in a form smaller than common EVs (<70 nm). We demonstrated that mbGluc initially exposed on the surface of EVs, likely undergoes proteolytic cleavage and processed fragments of the protein are released into the extracellular space in active form. Based on this observation, we developed a new assay to quantitatively track shedding of membrane proteins from the surface of EVs. We used this assay to show that ectodomain shedding in EVs is continuous and is mediated by specific proteases, e.g. metalloproteinases. Here, we present a novel tool to study membrane protein cleavage and release using both in vitro and in vivo models.
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Affiliation(s)
- Mikołaj Piotr Zaborowski
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA.
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA.
- Department of Gynecology, Obstetrics and Gynecologic Oncology, Division of Gynecologic Oncology, Poznan University of Medical Sciences, 60-535, Poznań, Poland.
| | - Pike See Cheah
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Xuan Zhang
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
| | - Isabella Bushko
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
| | - Kyungheon Lee
- Center for Systems Biology, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Alessandro Sammarco
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
- Department of Comparative Biomedicine and Food Science, University of Padua, Padua, Italy
| | - Valentina Zappulli
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
- Department of Comparative Biomedicine and Food Science, University of Padua, Padua, Italy
| | - Sybren Lein Nikola Maas
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
- Department of Neurosurgery, UMC Utrecht Brain Center, University Medical Center, Utrecht University, 3584 CX, Utrecht, The Netherlands
| | - Ryan M Allen
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, 37232, USA
| | - Purva Rumde
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
| | - Bence György
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
- Institute of Molecular and Clinical Ophthalmology Basel, 4031, Basel, Switzerland
| | - Massimo Aufiero
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
| | - Markus W Schweiger
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
| | - Charles Pin-Kuang Lai
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, 10617, Taiwan
| | - Ralph Weissleder
- Center for Systems Biology, Massachusetts General Hospital, Boston, MA, 02114, USA
- Department of Radiology, Massachusetts General Hospital, Boston, MA, 02114, USA
- Department of Systems Biology, Harvard Medical School, Boston, MA, 02115, USA
| | - Hakho Lee
- Center for Systems Biology, Massachusetts General Hospital, Boston, MA, 02114, USA
- Department of Radiology, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Kasey C Vickers
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, 37232, USA
| | - Bakhos A Tannous
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
- Department of Radiology, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Xandra O Breakefield
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA.
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA.
- Department of Radiology, Massachusetts General Hospital, Boston, MA, 02114, USA.
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12
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Zhou Y, Song KY, Giubellino A. The Role of MET in Melanoma and Melanocytic Lesions. THE AMERICAN JOURNAL OF PATHOLOGY 2019; 189:2138-2148. [PMID: 31476283 DOI: 10.1016/j.ajpath.2019.08.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 07/28/2019] [Accepted: 08/15/2019] [Indexed: 01/03/2023]
Abstract
Melanoma is the leading cause of death due to cutaneous malignancy and its incidence is on the rise. Several signaling pathways, including receptor tyrosine kinases, have been recognized to have an etiopathogenetic role in the development and progression of precursor melanocytic lesions and malignant melanoma. Among those, the hepatocyte growth factor/MET (HGF/MET) axis is emerging as a critical player not only in the tumor itself but also in the immune microenvironment in which the tumor grows and advances in its development. Moreover, the activation of this pathway has emerged as a paradigm of tumor resistance to modern targeted therapies, and the assessment of its expression in patients' samples may be a valuable biomarker of tumor progression and response to targeted therapy. Here we summarize our current understanding of this important receptor tyrosine kinase in normal melanocyte proliferation/motility, in tumor progression and metastasis, its genetic alterations in certain subtype of melanocytic lesions, and how its pathway has been explored for the development of selective inhibitors.
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Affiliation(s)
- Yan Zhou
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, Minnesota; Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota.
| | - Kyu Young Song
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, Minnesota; Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
| | - Alessio Giubellino
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, Minnesota; Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota.
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13
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Fernandes M, Duplaquet L, Tulasne D. Proteolytic cleavages of MET: the divide-and-conquer strategy of a receptor tyrosine kinase. BMB Rep 2019. [PMID: 30670153 PMCID: PMC6507848 DOI: 10.5483/bmbrep.2019.52.4.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Membrane-anchored full-length MET stimulated by its ligand HGF/SF induces various biological responses, including survival, growth, and invasion. This panel of responses, referred to invasive growth, is required for embryogenesis and tissue regeneration in adults. On the contrary, MET deregulation is associated with tumorigenesis in many kinds of cancer. In addition to its well-documented ligand-stimulated downstream signaling, the receptor can be cleaved by proteases such as secretases, caspases, and calpains. These cleavages are involved either in MET receptor inactivation or, more interestingly, in generating active fragments that can modify cell fate. For instance, MET fragments can promote cell death or invasion. Given a large number of proteases capable of cleaving MET, this receptor appears as a prototype of proteolytic-cleavage-regulated receptor tyrosine kinase. In this review, we describe and discuss the mechanisms and consequences, both physiological and pathological, of MET proteolytic cleavages.
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Affiliation(s)
- Marie Fernandes
- University of Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - M3T - Mechanisms of Tumorigenesis and Target Therapies, F-59000 Lille, France
| | - Leslie Duplaquet
- University of Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - M3T - Mechanisms of Tumorigenesis and Target Therapies, F-59000 Lille, France
| | - David Tulasne
- University of Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - M3T - Mechanisms of Tumorigenesis and Target Therapies, F-59000 Lille, France
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14
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Patel V, Dwivedi AK, Deodhar S, Mishra I, Cistola DP. Aptamer-based search for correlates of plasma and serum water T 2: implications for early metabolic dysregulation and metabolic syndrome. Biomark Res 2018; 6:28. [PMID: 30237882 PMCID: PMC6142358 DOI: 10.1186/s40364-018-0143-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Accepted: 08/29/2018] [Indexed: 12/13/2022] Open
Abstract
Background Metabolic syndrome is a cluster of abnormalities that increases the risk for type 2 diabetes and atherosclerosis. Plasma and serum water T2 from benchtop nuclear magnetic resonance relaxometry are early, global and practical biomarkers for metabolic syndrome and its underlying abnormalities. In a prior study, water T2 was analyzed against ~ 130 strategically selected proteins and metabolites to identify associations with insulin resistance, inflammation and dyslipidemia. In the current study, the analysis was broadened ten-fold using a modified aptamer (SOMAmer) library, enabling an unbiased search for new proteins correlated with water T2 and thus, metabolic health. Methods Water T2 measurements were recorded using fasting plasma and serum from non-diabetic human subjects. In parallel, plasma samples were analyzed using a SOMAscan assay that employed modified DNA aptamers to determine the relative concentrations of 1310 proteins. A multi-step statistical analysis was performed to identify the biomarkers most predictive of water T2. The steps included Spearman rank correlation, followed by principal components analysis with variable clustering, random forests for biomarker selection, and regression trees for biomarker ranking. Results The multi-step analysis unveiled five new proteins most predictive of water T2: hepatocyte growth factor, receptor tyrosine kinase FLT3, bone sialoprotein 2, glucokinase regulatory protein and endothelial cell-specific molecule 1. Three of the five strongest predictors of water T2 have been previously implicated in cardiometabolic diseases. Hepatocyte growth factor has been associated with incident type 2 diabetes, and endothelial cell specific molecule 1, with atherosclerosis in subjects with diabetes. Glucokinase regulatory protein plays a critical role in hepatic glucose uptake and metabolism and is a drug target for type 2 diabetes. By contrast, receptor tyrosine kinase FLT3 and bone sialoprotein 2 have not been previously associated with metabolic conditions. In addition to the five most predictive biomarkers, the analysis unveiled other strong correlates of water T2 that would not have been identified in a hypothesis-driven biomarker search. Conclusions The identification of new proteins associated with water T2 demonstrates the value of this approach to biomarker discovery. It provides new insights into the metabolic significance of water T2 and the pathophysiology of metabolic syndrome. Electronic supplementary material The online version of this article (10.1186/s40364-018-0143-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Vipulkumar Patel
- 1Nanoparticle Diagnostics Laboratory, Institute for Cardiovascular & Metabolic Diseases, University of North Texas Health Science Center, Fort Worth, TX 76107 USA.,2Center of Emphasis in Diabetes & Metabolism, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center El Paso, El Paso, TX 79905 USA
| | - Alok K Dwivedi
- 3Division of Biostatistics & Epidemiology, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center El Paso, El Paso, TX 79905 USA
| | - Sneha Deodhar
- 1Nanoparticle Diagnostics Laboratory, Institute for Cardiovascular & Metabolic Diseases, University of North Texas Health Science Center, Fort Worth, TX 76107 USA
| | - Ina Mishra
- 1Nanoparticle Diagnostics Laboratory, Institute for Cardiovascular & Metabolic Diseases, University of North Texas Health Science Center, Fort Worth, TX 76107 USA.,2Center of Emphasis in Diabetes & Metabolism, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center El Paso, El Paso, TX 79905 USA
| | - David P Cistola
- 1Nanoparticle Diagnostics Laboratory, Institute for Cardiovascular & Metabolic Diseases, University of North Texas Health Science Center, Fort Worth, TX 76107 USA.,2Center of Emphasis in Diabetes & Metabolism, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center El Paso, El Paso, TX 79905 USA
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15
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Navas T, Pfister TD, Colantonio S, Aziz A, Dieckman L, Saul RG, Kaczmarczyk J, Borgel S, Alcoser SY, Hollingshead MG, Lee YH, Bottaro DP, Hiltke T, Whiteley G, Takebe N, Kinders RJ, Parchment RE, Tomaszewski JE, Doroshow JH. Novel antibody reagents for characterization of drug- and tumor microenvironment-induced changes in epithelial-mesenchymal transition and cancer stem cells. PLoS One 2018; 13:e0199361. [PMID: 29928062 PMCID: PMC6013203 DOI: 10.1371/journal.pone.0199361] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 06/06/2018] [Indexed: 01/10/2023] Open
Abstract
The presence of cancer stem cells (CSCs) and the induction of epithelial-to-mesenchymal transition (EMT) in tumors are associated with tumor aggressiveness, metastasis, drug resistance, and poor prognosis, necessitating the development of reagents for unambiguous detection of CSC- and EMT-associated proteins in tumor specimens. To this end, we generated novel antibodies to EMT- and CSC-associated proteins, including Goosecoid, Sox9, Slug, Snail, and CD133. Importantly, unlike several widely used antibodies to CD133, the anti-CD133 antibodies we generated recognize epitopes distal to known glycosylation sites, enabling analyses that are not confounded by differences in CD133 glycosylation. For all target proteins, we selected antibodies that yielded the expected target protein molecular weights by Western analysis and the correct subcellular localization patterns by immunofluorescence microscopy assay (IFA); binding selectivity was verified by immunoprecipitation−mass spectrometry and by immunohistochemistry and IFA peptide blocking experiments. Finally, we applied these reagents to assess modulation of the respective markers of EMT and CSCs in xenograft tumor models by IFA. We observed that the constitutive presence of human hepatocyte growth factor (hHGF) in the tumor microenvironment of H596 non-small cell lung cancer tumors implanted in homozygous hHGF knock-in transgenic mice induced a more mesenchymal-like tumor state (relative to the epithelial-like state when implanted in control SCID mice), as evidenced by the elevated expression of EMT-associated transcription factors detected by our novel antibodies. Similarly, our new anti-CD133 antibody enabled detection and quantitation of drug-induced reductions in CD133-positive tumor cells following treatment of SUM149PT triple-negative breast cancer xenograft models with the CSC/focal adhesion kinase (FAK) inhibitor VS-6063. Thus, our novel antibodies to CSC- and EMT-associated factors exhibit sufficient sensitivity and selectivity for immunofluorescence microscopy studies of these processes in preclinical xenograft tumor specimens and the potential for application with clinical samples.
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Affiliation(s)
- Tony Navas
- Clinical Pharmacodynamics Biomarker Program, Applied/Developmental Research Directorate, Frederick National Laboratory for Cancer Research sponsored by the National Cancer Institute, Frederick, Maryland, United States of America
| | - Thomas D. Pfister
- Clinical Pharmacodynamics Biomarker Program, Applied/Developmental Research Directorate, Frederick National Laboratory for Cancer Research sponsored by the National Cancer Institute, Frederick, Maryland, United States of America
| | - Simona Colantonio
- Antibody Characterization Laboratory, Frederick National Laboratory for Cancer Research sponsored by the National Cancer Institute, Frederick, Maryland, United States of America
| | - Amina Aziz
- Biosciences Division, Argonne National Laboratory, Argonne, Illinois, United States of America
| | - Lynda Dieckman
- Biosciences Division, Argonne National Laboratory, Argonne, Illinois, United States of America
| | - Richard G. Saul
- Antibody Characterization Laboratory, Frederick National Laboratory for Cancer Research sponsored by the National Cancer Institute, Frederick, Maryland, United States of America
| | - Jan Kaczmarczyk
- Antibody Characterization Laboratory, Frederick National Laboratory for Cancer Research sponsored by the National Cancer Institute, Frederick, Maryland, United States of America
| | - Suzanne Borgel
- Biological Testing Branch, Developmental Therapeutics Program, National Cancer Institute at Frederick, Frederick, Maryland, United States of America
| | - Sergio Y. Alcoser
- Biological Testing Branch, Developmental Therapeutics Program, National Cancer Institute at Frederick, Frederick, Maryland, United States of America
| | - Melinda G. Hollingshead
- Biological Testing Branch, Developmental Therapeutics Program, National Cancer Institute at Frederick, Frederick, Maryland, United States of America
| | - Young H. Lee
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland, United States of America
| | - Donald P. Bottaro
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland, United States of America
| | - Tara Hiltke
- Office of Cancer Clinical Proteomics Research, Center for Strategic Scientific Initiatives, National Cancer Institute, Bethesda, Maryland, United States of America
| | - Gordon Whiteley
- Antibody Characterization Laboratory, Frederick National Laboratory for Cancer Research sponsored by the National Cancer Institute, Frederick, Maryland, United States of America
| | - Naoko Takebe
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, Bethesda, Maryland, United States of America
| | - Robert J. Kinders
- Clinical Pharmacodynamics Biomarker Program, Applied/Developmental Research Directorate, Frederick National Laboratory for Cancer Research sponsored by the National Cancer Institute, Frederick, Maryland, United States of America
| | - Ralph E. Parchment
- Clinical Pharmacodynamics Biomarker Program, Applied/Developmental Research Directorate, Frederick National Laboratory for Cancer Research sponsored by the National Cancer Institute, Frederick, Maryland, United States of America
| | - Joseph E. Tomaszewski
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, Bethesda, Maryland, United States of America
| | - James H. Doroshow
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, Bethesda, Maryland, United States of America
- Center for Cancer Research, National Cancer Institute, Bethesda, Maryland, United States of America
- * E-mail:
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16
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Gao HF, Yang JJ, Chen ZH, Zhang XC, Yan HH, Guo WB, Zhou Q, Gou LY, Dong ZY, Wu YL. Plasma dynamic monitoring of soluble c-Met level for EGFR-TKI treatment in advanced non-small cell lung cancer. Oncotarget 2018; 7:39535-39543. [PMID: 27213587 PMCID: PMC5129951 DOI: 10.18632/oncotarget.9425] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Accepted: 04/16/2016] [Indexed: 11/25/2022] Open
Abstract
Background The activation of c-Met has been associated with both primary and acquired resistance to EGFR-TKI therapy in NSCLC patients. Thus, c-Met status during EGFR-TKI therapy should receive much attention. Results Forty-nine patients were selected as training cohort and 52 cases as validation cohort. With disease progression, IHC results showed that 37 (75.5%) of the patients were tissue c-Met-negative, and 12 (24.5%) were tissue c-Met-positive. There was a statistically significant difference in the dynamic change in soluble c-Met between the tissue c-Met-negative and c-Met-positive groups (P = 0.002). Patients with a baseline soluble c-Met level >766 ng/ml showed inferior median progression-free survival (PFS; 10.2 vs. 14.0 months; P = 0.003) after EGFR-TKI treatment. Multivariate Cox proportional hazards model analyses demonstrated that the soluble c-Met level was an independent prognostic factor for PFS after EGFR-TKI treatment (P = 0.009; hazard ratio: 3.583; 95% confidence interval: 1.379-9.312). In the validation cohort, patients with soluble c-Met levels >766 ng/ml were also determined to have significant short median PFS after EGFR-TKI treatment (6.8 vs. 14.5 months, P < 0.001). Patients and Methods We retrospectively investigated the dynamic change in the soluble c-Met level in plasma and its relationship with clinical outcomes of EGFR-TKI therapy in advanced NSCLC. Immunohistochemistry (IHC) was used to assess the expression of c-Met in the resistant tissue. Plasma c-Met levels were assayed in duplicate using a human soluble c-Met quantitative enzyme-linked immunosorbent assay (ELISA) kit. Conclusions Quantitatively determining the soluble c-Met level in plasma by ELISA might provide a non-invasive and sensitive method to predict EGFR-TKI prognosis.
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Affiliation(s)
- Hong-Fei Gao
- Guangdong Cardiovascular Institute, Guangdong General Hospital & Guangdong Academy of Medical Sciences, Guangzhou, China.,Guangdong Lung Cancer Institute, Guangdong General Hospital & Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Jin-Ji Yang
- Guangdong Lung Cancer Institute, Guangdong General Hospital & Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Zhi-Hong Chen
- Guangdong Lung Cancer Institute, Guangdong General Hospital & Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Xu-Chao Zhang
- Guangdong Lung Cancer Institute, Guangdong General Hospital & Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Hong-Hong Yan
- Guangdong Lung Cancer Institute, Guangdong General Hospital & Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Wei-Bang Guo
- Guangdong Lung Cancer Institute, Guangdong General Hospital & Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Qing Zhou
- Guangdong Lung Cancer Institute, Guangdong General Hospital & Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Lou-Ying Gou
- Guangdong Lung Cancer Institute, Guangdong General Hospital & Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Zhong-Yi Dong
- Guangdong Lung Cancer Institute, Guangdong General Hospital & Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Yi-Long Wu
- Guangdong Lung Cancer Institute, Guangdong General Hospital & Guangdong Academy of Medical Sciences, Guangzhou, China
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17
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Absent and abundant MET immunoreactivity is associated with poor prognosis of patients with oral and oropharyngeal squamous cell carcinoma. Oncotarget 2017; 7:13167-81. [PMID: 26909606 PMCID: PMC4914349 DOI: 10.18632/oncotarget.7534] [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: 08/07/2015] [Accepted: 01/01/2016] [Indexed: 11/25/2022] Open
Abstract
Although the receptor tyrosine kinase (RTK) MET is widely expressed in head and neck squamous cell carcinoma (HNSCC), its prognostic value remains unclear. This might be due to the use of a variety of antibodies and scoring systems. Here, the reliability of five commercial C-terminal MET antibodies (D1C2, CVD13, SP44, C-12 and C-28) was evaluated before examining the prognostic value of MET immunoreactivity in HNSCC. Using cancer cell lines, it was shown that D1C2 and CVD13 specifically detect MET under reducing, native and formalin-fixed paraffin-embedded (FFPE) conditions. Immunohistochemical staining of routinely FFPE oral SCC with D1C2 and CVD13 demonstrated that D1C2 is most sensitive in the detection of membranous MET. Examination of membranous D1C2 immunoreactivity with 179 FFPE oral and oropharyngeal SCC – represented in a tissue microarray – illustrated that staining is either uniform (negative or positive) across tumors or differs between a tumor's center and periphery. Ultimately, statistical analysis revealed that D1C2 uniform staining is significantly associated with poor 5-year overall and disease free survival of patients lacking vasoinvasive growth (HR = 3.019, p < 0.001; HR = 2.559, p < 0.001). These findings might contribute to reliable stratification of patients eligible for treatment with biologicals directed against MET.
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Nuclear Met promotes hepatocellular carcinoma tumorigenesis and metastasis by upregulation of TAK1 and activation of NF-κB pathway. Cancer Lett 2017; 411:150-161. [PMID: 28989054 DOI: 10.1016/j.canlet.2017.09.047] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 09/18/2017] [Accepted: 09/26/2017] [Indexed: 12/13/2022]
Abstract
Presence of Met receptor tyrosine kinase in the nucleus of cells has been reported. However, the functions of Met which expresses in the nucleus (nMet) remain elusive. In this study, we found that nMet was increased in 89% of HCC tumorous tissues when compared with the corresponding non-tumorous liver tissues. nMet expression increased progressively along HCC development and significantly correlated with cirrhosis, poorer cellular differentiation, venous invasion, late stage HCC and poorer overall survival. Western blot analysis revealed that nMet is a 48-kDa protein comprising the carboxyl terminal of Met receptor. Induced expression of nMet promoted HCC cell growth, migration and invasiveness in vitro and tumorigenesis and pulmonary metastasis in vivo. Luciferase assay showed that nMet activated NF-κB pathway. Indeed, p-IKKα/β and nuclear p-p65 were higher in nMet stable cells than in the control cells. Perturbation of TAK1/NF-κB axis abrogated the aggressiveness of HCC cells, both in vitro and in vivo. In conclusion, nMet was overexpressed and as a potential prognostic biomarker of HCC. Functionally, nMet accelerated HCC tumorigenesis and metastasis via the activation of TAK1/NF-κB pathway.
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Matsumoto K, Umitsu M, De Silva DM, Roy A, Bottaro DP. Hepatocyte growth factor/MET in cancer progression and biomarker discovery. Cancer Sci 2017; 108:296-307. [PMID: 28064454 PMCID: PMC5378267 DOI: 10.1111/cas.13156] [Citation(s) in RCA: 159] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Revised: 12/26/2016] [Accepted: 01/03/2017] [Indexed: 02/06/2023] Open
Abstract
Signaling driven by hepatocyte growth factor (HGF) and MET receptor facilitates conspicuous biological responses such as epithelial cell migration, 3‐D morphogenesis, and survival. The dynamic migration and promotion of cell survival induced by MET activation are bases for invasion–metastasis and resistance, respectively, against targeted drugs in cancers. Recent studies indicated that MET in tumor‐derived exosomes facilitates metastatic niche formation and metastasis in malignant melanoma. In lung cancer, gene amplification‐induced MET activation and ligand‐dependent MET activation in an autocrine/paracrine manner are causes for resistance to epidermal growth factor receptor tyrosine kinase inhibitors and anaplastic lymphoma kinase inhibitors. Hepatocyte growth factor secreted in the tumor microenvironment contributes to the innate and acquired resistance to RAF inhibitors. Changes in serum/plasma HGF, soluble MET (sMET), and phospho‐MET have been confirmed to be associated with disease progression, metastasis, therapy response, and survival. Higher serum/plasma HGF levels are associated with therapy resistance and/or metastasis, while lower HGF levels are associated with progression‐free survival and overall survival after treatment with targeted drugs in lung cancer, gastric cancer, colon cancer, and malignant melanoma. Urinary sMET levels in patients with bladder cancer are higher than those in patients without bladder cancer and associated with disease progression. Some of the multi‐kinase inhibitors that target MET have received regulatory approval, whereas none of the selective HGF‐MET inhibitors have shown efficacy in phase III clinical trials. Validation of the HGF‐MET pathway as a critical driver in cancer development/progression and utilization of appropriate biomarkers are key to development and approval of HGF‐MET inhibitors for clinical use.
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Affiliation(s)
- Kunio Matsumoto
- Division of Tumor Dynamics, Cancer Research Institute, Kanazawa University, Kanazawa, Japan
| | - Masataka Umitsu
- Laboratory of Protein Synthesis and Expression, Institute for Protein Research, Osaka University, Osaka, Japan
| | - Dinuka M De Silva
- Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Arpita Roy
- Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Donald P Bottaro
- Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
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Hass R, Jennek S, Yang Y, Friedrich K. c-Met expression and activity in urogenital cancers - novel aspects of signal transduction and medical implications. Cell Commun Signal 2017; 15:10. [PMID: 28212658 PMCID: PMC5316205 DOI: 10.1186/s12964-017-0165-2] [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: 01/10/2017] [Accepted: 02/13/2017] [Indexed: 11/10/2022] Open
Abstract
C-Met is a receptor tyrosine kinase with multiple functions throughout embryonic development, organogenesis and wound healing and is expressed in various epithelia. The ligand of c-Met is Hepatocyte Growth Factor (HGF) which is secreted among others by mesenchymal stroma/stem (MSC) cells. Physiological c-Met functions are centred around processes that underly cellular motility and invasive growth. Aberrant c-Met expression and activity is observed in numerous cancers and makes major contributions to cell malignancy. Importantly, HGF/c-Met signaling is crucial in the context of communication between cancer cells and the the tumor stroma. Here, we review recent findings on roles of dysregulated c-Met in urogenital tumors such as cancers of the urinary bladder, prostate, and ovary. We put emphasis on novel aspects of cancer-associated c-Met expression regulation on both, HGF-dependent and HGF-independent non-canonical mechanisms. Moreover, this review focusses on c-Met-triggered signalling with potential relevance for urogenital oncogenesis, and on strategies to specifically inhibit c-Met activity.
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Affiliation(s)
- Ralf Hass
- Biochemistry and Tumor Biology Lab, Department of Gynecology, Hannover Medical School, Hannover, Germany
| | - Susanne Jennek
- Institute of Biochemistry II, University Hospital Jena, Nonnenplan 2-4, D-07743, Jena, Germany
| | - Yuanyuan Yang
- Biochemistry and Tumor Biology Lab, Department of Gynecology, Hannover Medical School, Hannover, Germany
| | - Karlheinz Friedrich
- Institute of Biochemistry II, University Hospital Jena, Nonnenplan 2-4, D-07743, Jena, Germany.
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21
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Imamura R, Matsumoto K. Hepatocyte growth factor in physiology and infectious diseases. Cytokine 2017; 98:97-106. [PMID: 28094206 DOI: 10.1016/j.cyto.2016.12.025] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 12/26/2016] [Accepted: 12/26/2016] [Indexed: 01/14/2023]
Abstract
Hepatocyte growth factor (HGF) is a pleiotropic cytokine composed of an α-chain and a β-chain, and these chains contain four kringle domains and a serine protease-like structure, respectively. The receptor for HGF was identified as the c-met proto-oncogene product of transmembrane receptor tyrosine kinase. HGF-induced signaling through the receptor Met provokes dynamic biological responses that support morphogenesis, regeneration, and the survival of various cells and tissues, which includes hepatocytes, renal tubular cells, and neurons. Characterization of tissue-specific Met knockout mice has further indicated that the HGF-Met system modulates immune cell functions and also plays an inhibitory role in the progression of chronic inflammation and fibrosis. However, the biological actions that are driven by the HGF-Met pathway all play a role in the acquisition of the malignant characteristics in tumor cells, such as invasion, metastasis, and drug resistance in the tumor microenvironment. Even though oncogenic Met signaling remains the major research focus, the HGF-Met axis has also been implicated in infectious diseases. Many pathogens try to utilize host HGF-Met system to establish comfortable environment for infection. Their strategies are not only simply change the expression level of HGF or Met, but also actively hijack HGF-Met system and deregulating Met signaling using their pathogenic factors. Consequently, the monitoring of HGF and Met expression, along with real-time detection of Met activation, can be a beneficial biomarker of these infectious diseases. Preclinical studies designed to address the therapeutic significance of HGF have been performed on injury/disease models, including acute tissue injury, chronic fibrosis, and cardiovascular and neurodegenerative diseases. Likewise, manipulating the HGF-Met system with complete control will lead to a tailor made treatment for those infectious diseases.
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Affiliation(s)
- Ryu Imamura
- Division of Tumor Dynamics and Regulation, Cancer Research Institute, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Kunio Matsumoto
- Division of Tumor Dynamics and Regulation, Cancer Research Institute, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan.
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22
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Byun HO, Lee YK, Kim JM, Yoon G. Erratum to: From cell senescence to age-related diseases: differential mechanisms of action of senescence-associated secretory phenotypes. BMB Rep 2016; 49:641-650. [PMID: 27881217 DOI: 10.5483/bmbrep.2016.49.11.122] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Indexed: 01/14/2023] Open
Affiliation(s)
- Hae-Ok Byun
- Department of Biochemistry, Ajou University School of Medicine; Department of Biomedical Science, Graduate School Suwon 16499, Korea
| | - Young-Kyoung Lee
- Department of Biochemistry, Ajou University School of Medicine; Department of Biomedical Science, Graduate School Suwon 16499, Korea
| | - Jeong-Min Kim
- Department of Biochemistry, Ajou University School of Medicine; College of Natural Sciences, Ajou University, Suwon 16499, Korea
| | - Gyesoon Yoon
- Department of Biochemistry, Ajou University School of Medicine; Department of Biomedical Science, Graduate School Suwon 16499, Korea
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Miller MA, Sullivan RJ, Lauffenburger DA. Molecular Pathways: Receptor Ectodomain Shedding in Treatment, Resistance, and Monitoring of Cancer. Clin Cancer Res 2016; 23:623-629. [PMID: 27895032 DOI: 10.1158/1078-0432.ccr-16-0869] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Revised: 11/01/2016] [Accepted: 11/01/2016] [Indexed: 12/21/2022]
Abstract
Proteases known as sheddases cleave the extracellular domains of their substrates from the cell surface. The A Disintegrin and Metalloproteinases ADAM10 and ADAM17 are among the most prominent sheddases, being widely expressed in many tissues, frequently overexpressed in cancer, and promiscuously cleaving diverse substrates. It is increasingly clear that the proteolytic shedding of transmembrane receptors impacts pathophysiology and drug response. Receptor substrates of sheddases include the cytokine receptors TNFR1 and IL6R; the Notch receptors; type-I and -III TGFβ receptors; receptor tyrosine kinases (RTK) such as HER2, HER4, and VEGFR2; and, in particular, MET and TAM-family RTKs AXL and Mer (MerTK). Activation of receptor shedding by mechanical cues, hypoxia, radiation, and phosphosignaling offers insight into mechanisms of drug resistance. This particularly holds for kinase inhibitors targeting BRAF (such as vemurafenib and dabrafenib) and MEK (such as trametinib and cobimetinib), along with direct sheddase inhibitors. Receptor proteolysis can be detected in patient fluids and is especially relevant in melanoma, glioblastoma, lung cancer, and triple-negative breast cancer where RTK substrates, MAPK signaling, and ADAMs are frequently dysregulated. Translatable strategies to exploit receptor shedding include combination kinase inhibitor regimens, recombinant decoy receptors based on endogenous counterparts, and, potentially, immunotherapy. Clin Cancer Res; 23(3); 623-9. ©2016 AACR.
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Affiliation(s)
- Miles A Miller
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Ryan J Sullivan
- Division of Medical Oncology, Massachusetts General Hospital Cancer Center, Harvard Medical School, Boston, Massachusetts
| | - Douglas A Lauffenburger
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts.
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Dysregulated expression of cell surface glycoprotein CDCP1 in prostate cancer. Oncotarget 2016; 6:43743-58. [PMID: 26497208 PMCID: PMC4791263 DOI: 10.18632/oncotarget.6193] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Accepted: 10/06/2015] [Indexed: 12/05/2022] Open
Abstract
CUB-domain-containing protein 1 (CDCP1) is a trans-membrane protein regulator of cell adhesion with a potent pro-migratory function in tumors. Given that proteolytic cleavage of the ectodomain correlates with outside-in oncogenic signaling, we characterized glycosylation in the context of cellular processing and expression of CDCP1 in prostate cancer. We detected 135 kDa full-length and proteolytic processed 70 kDa species in a panel of PCa cell models. The relative expression of full-length CDCP1 correlated with the metastatic potential of syngeneic cell models and an increase in surface membrane expression of CDCP1 was observed in tumor compared to adjacent normal prostate tissues. We demonstrated that glycosylation of CDCP1 is a prerequisite for protein stability and plasma membrane localization, and that the expression level and extent of N-glycosylation of CDCP1 correlated with metastatic status. Interestingly, complex N-linked glycans with sialic acid chains were restricted to the N-terminal half of the ectodomain and absent in the truncated species. Characterization of the extracellular expression of CDCP1 identified novel circulating forms and revealed that extracellular vesicles provide additional processing pathways. Employing immunoaffinity mass spectrometry, we detected elevated levels of circulating CDCP1 in patient urine with high-risk disease. Our results establish that differential glycosylation, cell surface presentation and extracellular expression of CDCP1 are hallmarks of PCa progression.
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25
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Copin MC, Lesaffre M, Berbon M, Doublet L, Leroy C, Tresch E, Porte H, Vicogne J, B Cortot A, Dansin E, Tulasne D. High-MET status in non-small cell lung tumors correlates with receptor phosphorylation but not with the serum level of soluble form. Lung Cancer 2016; 101:59-67. [PMID: 27794409 DOI: 10.1016/j.lungcan.2016.09.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Revised: 09/01/2016] [Accepted: 09/13/2016] [Indexed: 01/29/2023]
Abstract
OBJECTIVES The receptor tyrosine kinase MET is essential to embryonic development and organ regeneration. Its deregulation is associated with tumorigenesis. While MET gene amplification and mutations leading to MET self-activation concern only a few patients, a high MET level has been found in about half of the non-small cell lung cancers (NSCLCs) tested. How this affects MET activation in tumors is unclear. Also uncertain is the prognostic value, in cancer, of a phenomenon well described in cell models: MET shedding, i.e. its cleavage by membrane proteases leading to release of a soluble fragment into the medium. MATERIALS AND METHODS A prospective cohort of 39 NSCLC patients was constituted at diagnosis or soon after. Normal tissues, tumor tissues, and blood samples were obtained. This allowed, for the same patient, synchronous determination of (i) the MET level in the tumor, (ii) receptor phosphorylation, and (iii) the concentration of soluble MET fragment (sMET) in the serum. RESULTS After confirming the adequacy of an ELISA for measuring the serum level of sMET, we found no correlation between this level and the concentration of MET in tumors, as evaluated by immunohistochemistry and western blotting. Nevertheless, all but one tumor displaying a high MET level also displayed receptor phosphorylation, restricted to a small number of tumor cells. CONCLUSION Our results thus demonstrate that the serum level of sMET is not indicative of the amount of MET present in the tumor cells and cannot be used as a biomarker for therapeutic purposes. However, MET scoring of tumor biopsies could be a first step prior to determination of MET receptor activation in high-MET tumors.
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Affiliation(s)
- Marie-Christine Copin
- Univ. Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - M3T - Mechanisms of Tumorigenesis and Targeted Therapies, F-59000 Lille, France; Univ. Lille, Institut de Pathologie, CHU Lille, Avenue Oscar Lambret, F-59000 Lille, France
| | - Marie Lesaffre
- Univ. Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - M3T - Mechanisms of Tumorigenesis and Targeted Therapies, F-59000 Lille, France
| | - Mélanie Berbon
- Univ. Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - M3T - Mechanisms of Tumorigenesis and Targeted Therapies, F-59000 Lille, France
| | - Louis Doublet
- Département de Cancérologie Générale, CLCC Oscar Lambret, 3 rue Fréderic Combemale, Lille 59020, France
| | - Catherine Leroy
- Univ. Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - M3T - Mechanisms of Tumorigenesis and Targeted Therapies, F-59000 Lille, France
| | - Emmanuelle Tresch
- Département de Cancérologie Générale, CLCC Oscar Lambret, 3 rue Fréderic Combemale, Lille 59020, France
| | - Henri Porte
- Service de Chirurgie Thoracique, Centre Hospitalier Régional Universitaire de Lille, Lille, France
| | - Jérôme Vicogne
- Univ. Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - M3T - Mechanisms of Tumorigenesis and Targeted Therapies, F-59000 Lille, France
| | - Alexis B Cortot
- Univ. Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - M3T - Mechanisms of Tumorigenesis and Targeted Therapies, F-59000 Lille, France; Univ. Lille, CHU Lille, Thoracic Oncology Department, F-59000 Lille, France
| | - Eric Dansin
- Département de Cancérologie Générale, CLCC Oscar Lambret, 3 rue Fréderic Combemale, Lille 59020, France
| | - David Tulasne
- Univ. Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - M3T - Mechanisms of Tumorigenesis and Targeted Therapies, F-59000 Lille, France.
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Zhen DB, Griffith KA, Ruch JM, Camphausen K, Savage JE, Kim EJ, Sahai V, Simeone DM, Zalupski MM. A phase I trial of cabozantinib and gemcitabine in advanced pancreatic cancer. Invest New Drugs 2016; 34:733-739. [PMID: 27439894 DOI: 10.1007/s10637-016-0376-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Accepted: 07/10/2016] [Indexed: 12/17/2022]
Abstract
Background Cabozantinib and gemcitabine improve tumor control in pancreatic ductal adenocarcinoma (PDAC) in preclinical models through c-Met inhibition. We sought to determine the maximum tolerated dose (MTD) of this combination in patients with advanced PDAC. Methods Patients with ≤1 prior treatment and adequate performance status were eligible. Cabozantinib was given orally once daily, beginning day (-)7 and continued with gemcitabine given intravenously on days 1, 8, and 15 every 28 days. Dose level was assigned using Time to Event Continual Reassessment Method (TITE-CRM). Primary endpoint was MTD, defined as the highest dose level at which ≤25 % of patients incurred a dose-limiting toxicity (DLT). Secondary endpoints included response rate, progression-free survival (PFS), overall survival (OS) and urinary biomarker assessment. Results Twelve patients were enrolled and treated with 10 patients evaluable for DLT. The probability of DLT was >25 % for all dose levels tested, and thus an MTD was not determined. DLTs included grade 3 ALT/AST elevations and thrombocytopenia. Three patients had partial responses, but each discontinued therapy due to toxicity. Median PFS and OS were 4.7 (95 % CI: 1.4-9.7) and 10.1 months (95 % CI: 3.6-20.6). Exploratory biomarker analysis showed correlation of c-Met and VEGF levels with response. Conclusions An MTD for the combination was not established. Cabozantinib and gemcitabine appear impractical for further development due to DLT at low doses and continuing toxicities with ongoing therapy. Acknowledging the small sample size, responses were seen suggesting further investigation of c-Met inhibition in PDAC may be warranted.
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Affiliation(s)
- David B Zhen
- Division of Hematology/Oncology, Department of Internal Medicine, University of Michigan, 3-219 CC, 1500 E Medical Center Dr., SPC 5934, Ann Arbor, MI, 48109-5934, USA
| | - Kent A Griffith
- Department of Biostatistics, University of Michigan, Ann Arbor, MI, USA
| | - Joshua M Ruch
- Division of Hematology/Oncology, Department of Internal Medicine, University of Michigan, 3-219 CC, 1500 E Medical Center Dr., SPC 5934, Ann Arbor, MI, 48109-5934, USA
| | - Kevin Camphausen
- Radiation Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Jason E Savage
- Radiation Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Edward J Kim
- Division of Hematology/Oncology, Department of Internal Medicine, University of Michigan, 3-219 CC, 1500 E Medical Center Dr., SPC 5934, Ann Arbor, MI, 48109-5934, USA
| | - Vaibhav Sahai
- Division of Hematology/Oncology, Department of Internal Medicine, University of Michigan, 3-219 CC, 1500 E Medical Center Dr., SPC 5934, Ann Arbor, MI, 48109-5934, USA
| | - Diane M Simeone
- Department of Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Mark M Zalupski
- Division of Hematology/Oncology, Department of Internal Medicine, University of Michigan, 3-219 CC, 1500 E Medical Center Dr., SPC 5934, Ann Arbor, MI, 48109-5934, USA.
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Gao HF, Li AN, Yang JJ, Chen ZH, Xie Z, Zhang XC, Su J, Lou NN, Yan HH, Han JF, Wu YL. Soluble c-Met Levels Correlated With Tissue c-Met Protein Expression in Patients With Advanced Non-Small-Cell Lung Cancer. Clin Lung Cancer 2016; 18:85-91. [PMID: 27461774 DOI: 10.1016/j.cllc.2016.06.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2015] [Accepted: 06/13/2016] [Indexed: 11/16/2022]
Abstract
BACKGROUND Immunohistochemistry (IHC) and fluorescent in situ hybridization are reliable methods for identifying c-Met protein expression or c-Met gene amplification. However, each technique requires a high-quality tissue sample, which might not be available. The aim of the present study was to investigate the correlation between the soluble c-Met level and tissue c-Met protein expression and the relationship between these markers and patient prognosis. MATERIALS AND METHODS In 198 patients with advanced non-small-cell lung cancer, tumor tissue c-Met expression was determined using IHC according to the H score criteria. Positivity was defined as ≥ 50% of cells with strong staining (IHC 3+). The concentration of c-Met protein in paired plasma samples was measured using a human soluble c-Met quantitative enzyme-linked immunosorbent assay kit, and the predictive value was determined using receiver operating characteristic curve analysis. RESULTS Of the 198 patients, 140 (70.7%) had tissue c-Met- findings and 58 (29.3%) tissue c-Met+ findings. Receiver operating characteristic curve analysis showed 67.2% specificity and 65.0% sensitivity for predicting tissue c-Met positivity at a plasma c-Met cutoff of 766 ng/mL. The correlation between the soluble c-Met level and tissue c-Met protein expression was significant (Pearson's r = 0.309; P < .001). Patients with high soluble c-Met levels (> 766 ng/mL) had poorer overall survival than patients with low soluble c-Met levels (9.5 vs. 22.2 months; P < .001). Multivariate analyses demonstrated the same result (hazard ratio, 2.15; 95% confidence interval, 1.334-3.446; P = .002). CONCLUSION A significant correlation was found between the plasma soluble c-Met levels and tissue c-Met protein expression in patients with advanced non-small-cell lung cancer. A high level of soluble c-Met was associated with a poor prognosis.
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Affiliation(s)
- Hong-Fei Gao
- Guangdong Cardiovascular Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People's Republic of China; Guangdong Lung Cancer Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People's Republic of China
| | - An-Na Li
- Guangdong Lung Cancer Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People's Republic of China
| | - Jin-Ji Yang
- Guangdong Lung Cancer Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People's Republic of China
| | - Zhi-Hong Chen
- Guangdong Lung Cancer Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People's Republic of China
| | - Zhi Xie
- Guangdong Lung Cancer Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People's Republic of China
| | - Xu-Chao Zhang
- Guangdong Lung Cancer Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People's Republic of China
| | - Jian Su
- Guangdong Lung Cancer Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People's Republic of China
| | - Na-Na Lou
- Guangdong Lung Cancer Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People's Republic of China
| | - Hong-Hong Yan
- Guangdong Lung Cancer Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People's Republic of China
| | - Jie-Fei Han
- Guangdong Lung Cancer Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People's Republic of China
| | - Yi-Long Wu
- Guangdong Lung Cancer Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People's Republic of China.
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Tumor and Plasma Met Levels in Non-Metastatic Prostate Cancer. PLoS One 2016; 11:e0157130. [PMID: 27300295 PMCID: PMC4907470 DOI: 10.1371/journal.pone.0157130] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Accepted: 05/25/2016] [Indexed: 12/24/2022] Open
Abstract
Objective To measure Met protein content in prostate biopsies guided by fused magnetic resonance and ultrasound imaging, and to measure soluble Met (sMet) protein concentration in plasma samples from patients presenting evidence of prostate cancer. Patients and Methods 345 patients had plasma samples drawn prior to image-guided biopsy of the prostate. Of these, 32% had benign biopsies. Of the 236 that were positive for prostate adenocarcinoma (PCa), 132 treated by total prostatectomy had Gleason scores of 6 (17%), 7, (55%), 8 (16%), or 9–10 (12%). 23% had evidence of local invasion. Plasma samples were also obtained from 80 healthy volunteers. Tissue Met and plasma sMet were measured by two-site immunoassay; values were compared among clinically defined groups using non-parametric statistical tests to determine significant differences or correlations. Results PCa tumor Met correlated significantly with plasma sMet, but median values were similar among benign and malignant groups. Median plasma sMet values were also similar among those groups, although both medians were significantly above normal. Median Met content in primary PCa tumors and sMet concentrations were independent of Gleason score, final pathologic stage and age. Conclusion Plasma sMet is not predictive of PCa or its severity in patients with organ-confined or locally invasive disease. Quantitative analysis of Met protein content and activation state in PCa tumor biopsy samples was highly feasible and may have value in follow-up to genomic and/or transcriptomic-based screens that show evidence of oncogenically relevant MET gene features that occur at relatively low frequency in non-metastatic PCa.
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29
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Zhang J, Babic A. Regulation of the MET oncogene: molecular mechanisms. Carcinogenesis 2016; 37:345-55. [PMID: 26905592 DOI: 10.1093/carcin/bgw015] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Accepted: 01/29/2016] [Indexed: 12/26/2022] Open
Abstract
The MET oncogene is a predictive biomarker and an attractive therapeutic target for various cancers. Its expression is regulated at multiple layers via various mechanisms. It is subject to epigenetic modifications, i.e. DNA methylation and histone acetylation. Hypomethylation and acetylation of the MET gene have been associated with its high expression in some cancers. Multiple transcription factors including Sp1 and Ets-1 govern its transcription. After its transcription, METmRNA is spliced into multiple species in the nucleus before being transported to the cytoplasm where its translation is modulated by at least 30 microRNAs and translation initiation factors, e.g. eIF4E and eIF4B. METmRNA produces a single chain pro-Met protein of 170 kDa which is cleaved into α and β chains. These two chains are bound together through disulfide bonds to form a heterodimer which undergoes either N-linked or O-linked glycosylation in the Golgi apparatus before it is properly localized in the membrane. Upon interactions with its ligand, i.e. hepatocyte growth factor (HGF), the activity of Met kinase is boosted through various phosphorylation mechanisms and the Met signal is relayed to downstream pathways. The phosphorylated Met is then internalized for subsequent degradation or recycle via proteasome, lysosome or endosome pathways. Moreover, the Met expression is subject to autoregulation and activation by other EGFRs and G-protein coupled receptors. Since deregulation of the MET gene leads to cancer and other pathological conditions, a better understanding of the MET regulation is critical for Met-targeted therapeutics.
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Affiliation(s)
- Jack Zhang
- Research and Development, Ventana Medical Systems, Inc., a Member of the Roche Group, Oro Valley, AZ 85755, USA
| | - Andy Babic
- Research and Development, Ventana Medical Systems, Inc., a Member of the Roche Group, Oro Valley, AZ 85755, USA
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Byun HO, Lee YK, Kim JM, Yoon G. From cell senescence to age-related diseases: differential mechanisms of action of senescence-associated secretory phenotypes. BMB Rep 2015; 48:549-58. [PMID: 26129674 PMCID: PMC4911181 DOI: 10.5483/bmbrep.2015.48.10.122] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Indexed: 12/18/2022] Open
Abstract
Cellular senescence is a process by which cells enter a state of permanent cell cycle arrest. It is commonly believed to underlie organismal aging and age-associated diseases. However, the mechanism by which cellular senescence contributes to aging and age-associated pathologies remains unclear. Recent studies showed that senescent cells exert detrimental effects on the tissue microenvironment, generating pathological facilitators or aggravators. The most significant environmental effector resulting from senescent cells is the senescence-associated secretory phenotype (SASP), which is constituted by a strikingly increased expression and secretion of diverse pro-inflammatory cytokines. Careful investigation into the components of SASPs and their mechanism of action, may improve our understanding of the pathological backgrounds of age-associated diseases. In this review, we focus on the differential expression of SASP-related genes, in addition to SASP components, during the progress of senescence. We also provide a perspective on the possible action mechanisms of SASP components, and potential contributions of SASP-expressing senescent cells, to age-associated pathologies.
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Affiliation(s)
- Hae-Ok Byun
- Department of Biochemistry, Ajou University School of Medicine
- Department of Biomedical Science, Graduate School
| | - Young-Kyoung Lee
- Department of Biochemistry, Ajou University School of Medicine
- Department of Biomedical Science, Graduate School
| | - Jeong-Min Kim
- Department of Biochemistry, Ajou University School of Medicine
- College of Natural Sciences, Ajou University, Suwon 16499, Korea
| | - Gyesoon Yoon
- Department of Biochemistry, Ajou University School of Medicine
- Department of Biomedical Science, Graduate School
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Sakr HI, Coleman DT, Cardelli JA, Mathis JM. Characterization of an Oncolytic Adenovirus Vector Constructed to Target the cMet Receptor. Oncolytic Virother 2015; 4:119-132. [PMID: 26866014 PMCID: PMC4746000 DOI: 10.2147/ov.s87369] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
The cMet receptor is a homodimer with tyrosine kinase activity. Upon stimulation with its ligand, hepatocyte growth factor (HGF), the receptor mediates wide physiologic actions. The HGF-cMet signaling pathway is dysregulated in many cancers, which makes cMet an important target for novel therapeutic interventions. Oncolytic adenoviruses (Ads) have been used for the past three decades as a promising therapeutic approach for a wide array of neoplastic diseases. To date, achieving cancer-specific replication of oncolytic Ads has been accomplished by either viral genome deletions or by incorporating tumor selective promoters. To achieve novel specificity of oncolytic Ad infection of cancer cells that overexpress cMet, we inserted the HGF NK2 sequence, corresponding to a competitive antagonist of HGF binding to the cMet receptor, into the Ad serotype 5 (Ad5) fiber gene. The resulting vector, Ad5-pIX-RFP-FF/NK2, was rescued, amplified in HEK293 cells, and characterized. Binding specificity and viral infectivity were tested in various cancer cell lines that express varying levels of cMet and hCAR (the Ad5 receptor). We found that Ad5-pIX-RFP-FF/NK2 demonstrated binding specificity to the cMet receptor. In addition, there was enhanced viral infectivity and virus replication compared with a non-targeted Ad vector. Although NK2 weakly induces cMet receptor activation, our results showed no receptor phosphorylation in the context of an oncolytic Ad virus. In summary, these results suggest that an oncolytic Ad retargeted to the cMet receptor is a promising vector for developing a novel cancer therapeutic agent.
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Affiliation(s)
- Hany I Sakr
- Department of Cellular Biology and Anatomy, LSU Health Shreveport, Shreveport, LA, USA; Gene Therapy Program, LSU Health Shreveport, Shreveport, LA, USA; Feist-Weiller Cancer Center, LSU Health Shreveport, Shreveport, LA, USA
| | - David T Coleman
- Feist-Weiller Cancer Center, LSU Health Shreveport, Shreveport, LA, USA; Department of Microbiology and Immunology, LSU Health Shreveport, Shreveport, LA, USA
| | - James A Cardelli
- Feist-Weiller Cancer Center, LSU Health Shreveport, Shreveport, LA, USA; Department of Microbiology and Immunology, LSU Health Shreveport, Shreveport, LA, USA
| | - J Michael Mathis
- Gene Therapy Program, LSU Health Shreveport, Shreveport, LA, USA; Feist-Weiller Cancer Center, LSU Health Shreveport, Shreveport, LA, USA; Department of Comparative Biomedical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA, USA
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Jagoda EM, Bhattacharyya S, Kalen J, Riffle L, Leeder A, Histed S, Williams M, Wong KJ, Xu B, Szajek LP, Elbuluk O, Cecchi F, Raffensperger K, Golla M, Bottaro DP, Choyke P. Imaging the Met Receptor Tyrosine Kinase (Met) and Assessing Tumor Responses to a Met Tyrosine Kinase Inhibitor in Human Xenograft Mouse Models with a [
99m
Tc] (AH-113018) or CY 5** (AH-112543) Labeled Peptide. Mol Imaging 2015. [DOI: 10.2310/7290.2015.00023] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Elaine M. Jagoda
- From the Molecular Imaging Program, National Cancer Institute (NCI), Bethesda, MD; ADRD, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Small Animal Imaging Program, NCI, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Imaging Probe Development Center, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Rockville, MD; PET Department, Clinical Center, NIH,
| | - Sibaprasad Bhattacharyya
- From the Molecular Imaging Program, National Cancer Institute (NCI), Bethesda, MD; ADRD, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Small Animal Imaging Program, NCI, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Imaging Probe Development Center, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Rockville, MD; PET Department, Clinical Center, NIH,
| | - Joseph Kalen
- From the Molecular Imaging Program, National Cancer Institute (NCI), Bethesda, MD; ADRD, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Small Animal Imaging Program, NCI, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Imaging Probe Development Center, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Rockville, MD; PET Department, Clinical Center, NIH,
| | - Lisa Riffle
- From the Molecular Imaging Program, National Cancer Institute (NCI), Bethesda, MD; ADRD, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Small Animal Imaging Program, NCI, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Imaging Probe Development Center, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Rockville, MD; PET Department, Clinical Center, NIH,
| | - Avrum Leeder
- From the Molecular Imaging Program, National Cancer Institute (NCI), Bethesda, MD; ADRD, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Small Animal Imaging Program, NCI, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Imaging Probe Development Center, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Rockville, MD; PET Department, Clinical Center, NIH,
| | - Stephanie Histed
- From the Molecular Imaging Program, National Cancer Institute (NCI), Bethesda, MD; ADRD, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Small Animal Imaging Program, NCI, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Imaging Probe Development Center, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Rockville, MD; PET Department, Clinical Center, NIH,
| | - Mark Williams
- From the Molecular Imaging Program, National Cancer Institute (NCI), Bethesda, MD; ADRD, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Small Animal Imaging Program, NCI, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Imaging Probe Development Center, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Rockville, MD; PET Department, Clinical Center, NIH,
| | - Karen J. Wong
- From the Molecular Imaging Program, National Cancer Institute (NCI), Bethesda, MD; ADRD, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Small Animal Imaging Program, NCI, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Imaging Probe Development Center, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Rockville, MD; PET Department, Clinical Center, NIH,
| | - Biying Xu
- From the Molecular Imaging Program, National Cancer Institute (NCI), Bethesda, MD; ADRD, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Small Animal Imaging Program, NCI, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Imaging Probe Development Center, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Rockville, MD; PET Department, Clinical Center, NIH,
| | - Lawrence P. Szajek
- From the Molecular Imaging Program, National Cancer Institute (NCI), Bethesda, MD; ADRD, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Small Animal Imaging Program, NCI, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Imaging Probe Development Center, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Rockville, MD; PET Department, Clinical Center, NIH,
| | - Osama Elbuluk
- From the Molecular Imaging Program, National Cancer Institute (NCI), Bethesda, MD; ADRD, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Small Animal Imaging Program, NCI, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Imaging Probe Development Center, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Rockville, MD; PET Department, Clinical Center, NIH,
| | - Fabiola Cecchi
- From the Molecular Imaging Program, National Cancer Institute (NCI), Bethesda, MD; ADRD, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Small Animal Imaging Program, NCI, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Imaging Probe Development Center, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Rockville, MD; PET Department, Clinical Center, NIH,
| | - Kristen Raffensperger
- From the Molecular Imaging Program, National Cancer Institute (NCI), Bethesda, MD; ADRD, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Small Animal Imaging Program, NCI, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Imaging Probe Development Center, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Rockville, MD; PET Department, Clinical Center, NIH,
| | - Meghana Golla
- From the Molecular Imaging Program, National Cancer Institute (NCI), Bethesda, MD; ADRD, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Small Animal Imaging Program, NCI, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Imaging Probe Development Center, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Rockville, MD; PET Department, Clinical Center, NIH,
| | - Donald P. Bottaro
- From the Molecular Imaging Program, National Cancer Institute (NCI), Bethesda, MD; ADRD, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Small Animal Imaging Program, NCI, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Imaging Probe Development Center, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Rockville, MD; PET Department, Clinical Center, NIH,
| | - Peter Choyke
- From the Molecular Imaging Program, National Cancer Institute (NCI), Bethesda, MD; ADRD, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Small Animal Imaging Program, NCI, Leidos Biomedical Research, Inc. (formerly SAIC-Frederick, Inc.), Frederick, MD; Imaging Probe Development Center, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Rockville, MD; PET Department, Clinical Center, NIH,
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Chen MK, Hung MC. Proteolytic cleavage, trafficking, and functions of nuclear receptor tyrosine kinases. FEBS J 2015; 282:3693-721. [PMID: 26096795 DOI: 10.1111/febs.13342] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2015] [Revised: 05/18/2015] [Accepted: 06/09/2015] [Indexed: 01/18/2023]
Abstract
Intracellular localization has been reported for over three-quarters of receptor tyrosine kinase (RTK) families in response to environmental stimuli. Internalized RTK may bind to non-canonical substrates and affect various cellular processes. Many of the intracellular RTKs exist as fragmented forms that are generated by γ-secretase cleavage of the full-length receptor, shedding, alternative splicing, or alternative translation initiation. Soluble RTK fragments are stabilized and intracellularly transported into subcellular compartments, such as the nucleus, by binding to chaperone or transcription factors, while membrane-bound RTKs (full-length or truncated) are transported from the plasma membrane to the ER through the well-established Rab- or clathrin adaptor protein-coated vesicle retrograde trafficking pathways. Subsequent nuclear transport of membrane-bound RTK may occur via two pathways, INFS or INTERNET, with the former characterized by release of receptors from the ER into the cytosol and the latter characterized by release of membrane-bound receptor from the ER into the nucleoplasm through the inner nuclear membrane. Although most non-canonical intracellular RTK signaling is related to transcriptional regulation, there may be other functions that have yet to be discovered. In this review, we summarize the proteolytic processing, intracellular trafficking and nuclear functions of RTKs, and discuss how they promote cancer progression, and their clinical implications.
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Affiliation(s)
- Mei-Kuang Chen
- The University of Texas Graduate School of Biomedical Sciences at Houston, Houston, TX, USA.,Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Mien-Chie Hung
- The University of Texas Graduate School of Biomedical Sciences at Houston, Houston, TX, USA.,Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.,Center of Molecular Medicine and Graduate Institute of Cancer Biology, China Medical University, Taichung, Taiwan.,Department of Biotechnology, Asia University, Taichung, Taiwan
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Soluble c-Met is a reliable and sensitive marker to detect c-Met expression level in lung cancer. BIOMED RESEARCH INTERNATIONAL 2015; 2015:626578. [PMID: 25834821 PMCID: PMC4365312 DOI: 10.1155/2015/626578] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2014] [Revised: 02/23/2015] [Accepted: 02/23/2015] [Indexed: 11/18/2022]
Abstract
c-Met has been demonstrated as an attractive target in lung cancer therapy. Current studies showed that detection of c-Met status in tumor is critical in Met-targeted therapy. However not all patients are suitable for tissue sample collection. It is important to discover novel surrogate markers to detect c-Met status. In the study, soluble c-Met (s-Met) in plasma from 146 Chinese lung cancer patients and 40 disease-free volunteers was measured by enzyme-linked immunosorbent. In parallel, expression of c-Met in those tumors was also assessed by immunohistochemistry. Results showed that, in 146 lung cancer patients, 93 were c-Met expression positive and 74 of 93 were overexpressed. In c-Met-overexpressed patients, plasma s-Met was significantly increased. And further studies showed that plasma s-Met linearly correlated with c-Met expression in tumor. After tumor was removed in Met-overexpressed patients via resection, plasma s-Met significantly decreased to basal level. In addition, plasma s-Met showed to be poorly correlated with tumor size in Met-overexpressed patients. These results demonstrated that plasma s-Met is a sensitive and reliable marker to detect c-Met overexpression in lung cancers, and it is independent of tumor volume.
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Lee YH, Morrison BL, Bottaro DP. Synergistic signaling of tumor cell invasiveness by hepatocyte growth factor and hypoxia. J Biol Chem 2015; 289:20448-61. [PMID: 24914205 DOI: 10.1074/jbc.m114.580597] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Hepatocyte growth factor (HGF) signaling promotes tumor invasiveness in renal cell carcinoma (RCC) and other cancers. In clear cell RCC, VHL loss generates pseudohypoxia that exacerbates HGF-driven invasion through β-catenin deregulation. Hypoxia also enhances HGF-driven invasiveness by papillary RCC cells, but in the absence of VHL, loss signaling integration involves three parallel routes: 1) hypoxia-induced reactive oxygen species production and decreased DUSP2 expression, leading to enhanced mitogen-activated protein kinase (MAPK) cascade activation; 2) reactive oxygen species-induced diacylglycerol production by phospholipase Cγ, leading to protein kinase C activation and increased protein phosphatase- 2A activity, thereby suppressing HGF-induced Akt activation; and 3) a profound shift from HGF-enhanced, proliferation- oriented metabolism to autophagy-dependent invasion and suppression of proliferation. This tripartite signaling integration was not unique to RCC or HGF; in RCC cells, invasive synergy induced by the combination of hypoxia and epidermal growth factor occurred through the same mechanism, and in estrogen receptor-positive breast cancer cells, this mechanism was suppressed in the absence of estrogen. These results define the molecular basis of growth factor and hypoxia invasive synergy in VHL-competent papillary RCC cells, illustrate the plasticity of invasive and proliferative tumor cell states, and provide signaling profiles by which they may be predicted.
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Liu PJ, Chen CD, Wang CL, Wu YC, Hsu CW, Lee CW, Huang LH, Yu JS, Chang YS, Wu CC, Yu CJ. In-depth proteomic analysis of six types of exudative pleural effusions for nonsmall cell lung cancer biomarker discovery. Mol Cell Proteomics 2015; 14:917-32. [PMID: 25638566 DOI: 10.1074/mcp.m114.045914] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2014] [Indexed: 01/21/2023] Open
Abstract
Pleural effusion (PE), a tumor-proximal body fluid, may be a promising source for biomarker discovery in human cancers. Because a variety of pathological conditions can lead to PE, characterization of the relative PE proteomic profiles from different types of PEs would accelerate discovery of potential PE biomarkers specifically used to diagnose pulmonary disorders. Using quantitative proteomic approaches, we identified 772 nonredundant proteins from six types of exudative PEs, including three malignant PEs (MPE, from lung, breast, and gastric cancers), one lung cancer paramalignant PE, and two benign diseases (tuberculosis and pneumonia). Spectral counting was utilized to semiquantify PE protein levels. Principal component analysis, hierarchical clustering, and Gene Ontology of cellular process analyses revealed differential levels and functional profiling of proteins in each type of PE. We identified 30 candidate proteins with twofold higher levels (q<0.05) in lung cancer MPEs than in the two benign PEs. Three potential markers, MET, DPP4, and PTPRF, were further verified by ELISA using 345 PE samples. The protein levels of these potential biomarkers were significantly higher in lung cancer MPE than in benign diseases or lung cancer paramalignant PE. The area under the receiver-operator characteristic curve for three combined biomarkers in discriminating lung cancer MPE from benign diseases was 0.903. We also observed that the PE protein levels were more clearly discriminated in effusions in which the cytological examination was positive and that they would be useful in rescuing the false negative of cytological examination in diagnosis of nonsmall cell lung cancer-MPE. Western blotting analysis further demonstrated that MET overexpression in lung cancer cells would contribute to the elevation of soluble MET in MPE. Our results collectively demonstrate the utility of label-free quantitative proteomic approaches in establishing differential PE proteomes and provide a new database of proteins that can be used to facilitate identification of pulmonary disorder-related biomarkers.
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Affiliation(s)
- Pei-Jun Liu
- From the ‡Graduate Institute of Biomedical Sciences
| | - Chi-De Chen
- From the ‡Graduate Institute of Biomedical Sciences, **Molecular Medicine Research Center, Chang Gung University, Tao-Yuan, Taiwan
| | - Chih-Liang Wang
- §School of Medicine, ‡‡Division of Pulmonary Oncology and Interventional Bronchoscopy, Department of Thoracic Medicine
| | - Yi-Cheng Wu
- §§Department of Thoracic Surgery, Chang Gung Memorial Hospital, Linkou, Tao-Yuan, Taiwan
| | - Chia-Wei Hsu
- From the ‡Graduate Institute of Biomedical Sciences, **Molecular Medicine Research Center, Chang Gung University, Tao-Yuan, Taiwan
| | | | | | - Jau-Song Yu
- From the ‡Graduate Institute of Biomedical Sciences, ¶Department of Cell and Molecular Biology, and **Molecular Medicine Research Center, Chang Gung University, Tao-Yuan, Taiwan
| | - Yu-Sun Chang
- From the ‡Graduate Institute of Biomedical Sciences, **Molecular Medicine Research Center, Chang Gung University, Tao-Yuan, Taiwan
| | - Chih-Ching Wu
- **Molecular Medicine Research Center, Chang Gung University, Tao-Yuan, Taiwan;
| | - Chia-Jung Yu
- From the ‡Graduate Institute of Biomedical Sciences, ¶Department of Cell and Molecular Biology, and
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Jagoda EM, Bhattacharyya S, Kalen J, Riffle L, Leeder A, Histed S, Williams M, Wong KJ, Xu B, Szajek LP, Elbuluk O, Cecchi F, Raffensperger K, Golla M, Bottaro DP, Choyke P. Imaging the Met Receptor Tyrosine Kinase (Met) and Assessing Tumor Responses to a Met Tyrosine Kinase Inhibitor in Human Xenograft Mouse Models with a [99mTc] (AH-113018) or Cy 5** (AH-112543) Labeled Peptide. Mol Imaging 2015; 14:499-515. [PMID: 26461980 PMCID: PMC7709139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023] Open
Abstract
Developing an imaging agent targeting the hepatocyte growth factor receptor protein (Met) status of cancerous lesions would aid in the diagnosis and monitoring of Met-targeted tyrosine kinase inhibitors (TKIs). A peptide targeting Met labeled with [(99m)Tc] had high affinity in vitro (Kd = 3.3 nM) and detected relative changes in Met in human cancer cell lines. In vivo [(99m)Tc]-Met peptide (AH-113018) was retained in Met-expressing tumors, and high-expressing Met tumors (MKN-45) were easily visualized and quantitated using single-photon emission computed tomography or optical imaging. In further studies, MKN-45 mouse xenografts treated with PHA 665752 (Met TKI) or vehicle were monitored weekly for tumor responses by [(99m)Tc]-Met peptide imaging and measurement of tumor volumes. Tumor uptake of [(99m)Tc]-Met peptide was significantly decreased as early as 1 week after PHA 665752 treatment, corresponding to decreases in tumor volumes. These results were comparable to Cy5**-Met peptide (AH-112543) fluorescence imaging using the same treatment model. [(99m)Tc] or Cy5**-Met peptide tumor uptake was further validated by histologic (necrosis, apoptosis) and immunoassay (total Met, p Met, and plasma shed Met) assessments in imaged and nonimaged cohorts. These data suggest that [(99m)Tc] or Cy5**-Met peptide imaging may have clinical diagnostic, prognostic, and therapeutic monitoring applications.
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Hepatocyte growth factor: A regulator of inflammation and autoimmunity. Autoimmun Rev 2014; 14:293-303. [PMID: 25476732 DOI: 10.1016/j.autrev.2014.11.013] [Citation(s) in RCA: 93] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2014] [Accepted: 11/25/2014] [Indexed: 12/12/2022]
Abstract
Hepatocyte growth factor (HGF) is a pleiotropic cytokine that has been extensively studied over several decades, but was only recently recognized as a key player in mediating protection of many types of inflammatory and autoimmune diseases. HGF was reported to prevent and attenuate disease progression by influencing multiple pathophysiological processes involved in inflammatory and immune response, including cell migration, maturation, cytokine production, antigen presentation, and T cell effector function. In this review, we discuss the actions and mechanisms of HGF in inflammation and immunity and the therapeutic potential of this factor for the treatment of inflammatory and autoimmune diseases.
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Lee YH, Apolo AB, Agarwal PK, Bottaro DP. Characterization of HGF/Met Signaling in Cell Lines Derived From Urothelial Carcinoma of the Bladder. Cancers (Basel) 2014; 6:2313-29. [PMID: 25534569 PMCID: PMC4276968 DOI: 10.3390/cancers6042313] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Revised: 11/05/2014] [Accepted: 11/13/2014] [Indexed: 12/13/2022] Open
Abstract
There is mounting evidence of oncogenic hepatocyte growth factor (HGF)/Met signaling in urothelial carcinoma (UC) of the bladder. The effects of three kinase inhibitors, cabozantinib, crizotinib and EMD1214063, on HGF-driven signaling and cell growth, invasion and tumorigenicity were analyzed in cultured UC cell lines. SW780 xenograft growth in SCID and human HGF knock-in SCID (hHGF/SCID) mice treated with cabozantinib or vehicle, as well as tumor levels of Met and pMet, were also determined. Met content was robust in most UC-derived cell lines. Basal pMet content and effector activation state in quiescent cells were low, but significantly enhanced by added HGF, as were cell invasion, proliferation and anchorage independent growth. These HGF-driven effects were reversed by Met inhibitor treatment. Tumor xenograft growth was significantly higher in hHGF/SCID mice vs. SCID mice and significantly inhibited by cabozantinib, as was tumor phospho-Met content. These studies indicate the prevalence and functionality of the HGF/Met signaling pathway in UC cells, suggest that paracrine HGF may contribute to UC tumor growth and progression, and that support further preclinical investigation of Met inhibitors for the treatment of UC is warranted.
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Affiliation(s)
- Young H Lee
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA.
| | - Andrea B Apolo
- Genitourinary Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA.
| | - Piyush K Agarwal
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA.
| | - Donald P Bottaro
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA.
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McNeil BK, Sorbellini M, Grubb RL, Apolo A, Cecchi F, Athauda G, Cohen B, Giubellino A, Simpson H, Agarwal PK, Coleman J, Getzenberg RH, Netto GJ, Shih J, Linehan WM, Pinto PA, Bottaro DP. Preliminary evaluation of urinary soluble Met as a biomarker for urothelial carcinoma of the bladder. J Transl Med 2014; 12:199. [PMID: 25335552 PMCID: PMC4283116 DOI: 10.1186/1479-5876-12-199] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Accepted: 05/30/2014] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Among genitourinary malignancies, bladder cancer (BCa) ranks second in both prevalence and cause of death. Biomarkers of BCa for diagnosis, prognosis and disease surveillance could potentially help prevent progression, improve survival rates and reduce health care costs. Among several oncogenic signaling pathways implicated in BCa progression is that of hepatocyte growth factor (HGF) and its cell surface receptor, Met, now targeted by 25 experimental anti-cancer agents in human clinical trials. The involvement of this pathway in several cancers is likely to preclude the use of urinary soluble Met (sMet), which has been correlated with malignancy, for initial BCa screening. However, its potential utility as an aid to disease surveillance and to identify patients likely to benefit from HGF/Met-targeted therapies provide the rationale for this preliminary retrospective study comparing sMet levels between benign conditions and primary BCa, and in BCa cases, between different disease stages. METHODS Normally voided urine samples were collected from patients with BCa (Total: 183; pTa: 55, pTis: 62, pT1: 24, pT2: 42) and without BCa (Total: 83) on tissue-procurement protocols at three institutions and sMet was measured and normalized to urinary creatinine. Normalized sMet values grouped by pathologic stage were compared using non-parametric tests for correlation and significant difference. ROC analyses were used to derive classification models for patients with or without BCa and patients with or without muscle-invasive BCa (MIBCa or NMIBCa). RESULTS Urinary sMet levels accurately distinguished patients with BCa from those without (p<0.0001, area under the curve (AUC): 0.7008) with limited sensitivity (61%) and moderate specificity (76%), and patients with MIBCa (n=42) from those with NMIBCa (n=141; p<0.0001, AUC: 0.8002) with moderate sensitivity and specificity (76% and 77%, respectively) and low false negative rate (8%). CONCLUSIONS Urinary sMet levels distinguish patients with BCa from those without, and patients with or without MIBCa, suggesting the potential utility of urinary sMet as a BCa biomarker for surveillance following initial treatment. Further studies are warranted to determine its potential value for prognosis in advanced disease, predicting treatment response, or identifying patients likely to benefit from Met-targeted therapies.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Donald P Bottaro
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, Bldg 10, Hatfield Clinical Research Center, Rm 2 W-3952 10 Center Drive MSC 1210, 20892-1210, Bethesda, MD, USA.
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Xie Y, Lu W, Liu S, Yang Q, Carver BS, Li E, Wang Y, Fazli L, Gleave M, Chen Z. Crosstalk between nuclear MET and SOX9/β-catenin correlates with castration-resistant prostate cancer. Mol Endocrinol 2014; 28:1629-39. [PMID: 25099011 DOI: 10.1210/me.2014-1078] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Castration-resistant prostate cancer (PCa) (CRPC) is relapse after various forms of androgen ablation therapy and causes a major mortality in PCa patients, yet the mechanism remains poorly understood. Here, we report the nuclear form of mesenchymal epithelial transition factor (nMET) is essential for CRPC. Specifically, nMET is remarkably increased in human CRPC samples compared with naïve samples. Androgen deprivation induces endogenous nMET and promotes cell proliferation and stem-like cell self-renewal in androgen-nonresponsive PCa cells. Mechanistically, nMET activates SRY (sex determining region Y)-box9, β-catenin, and Nanog homeobox and promotes sphere formation in the absence of androgen stimulus. Combined treatment of MET and β-catenin enhances the inhibition of PCa cell growth. Importantly, MET accumulation is detected in nucleus of recurrent prostate tumors of castrated Pten/Trp53 null mice, whereas MET elevation is predominantly found in membrane of naïve tumors. Our findings reveal for the first time an essential role of nMET association with SOX9/β-catenin in CRPC in vitro and in vivo, highlighting that nuclear RTK activate cell reprogramming to drive recurrence, and targeting nMET would be a new avenue to treat recurrent cancers.
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Affiliation(s)
- Yingqiu Xie
- Department of Biochemistry and Cancer Biology (Y.X., W.L., S.L., Q.Y., Z.C.), Meharry Medical College, Nashville, Tennessee 37208; Department of Surgery and Division of Urology (B.S.C.), Memorial Sloan-Kettering Cancer Center, New York, New York 10065; and Vancouver Prostate Centre and Department of Urologic Sciences (E.L., Y.W., L.F., M.G.), The University of British Columbia, Vancouver, British Columbia, Canada V6H 3Z6
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Catenacci DVT, Liao WL, Thyparambil S, Henderson L, Xu P, Zhao L, Rambo B, Hart J, Xiao SY, Bengali K, Uzzell J, Darfler M, Krizman DB, Cecchi F, Bottaro DP, Karrison T, Veenstra TD, Hembrough T, Burrows J. Absolute quantitation of Met using mass spectrometry for clinical application: assay precision, stability, and correlation with MET gene amplification in FFPE tumor tissue. PLoS One 2014; 9:e100586. [PMID: 24983965 PMCID: PMC4077664 DOI: 10.1371/journal.pone.0100586] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2014] [Accepted: 05/25/2014] [Indexed: 12/16/2022] Open
Abstract
Background Overexpression of Met tyrosine kinase receptor is associated with poor prognosis. Overexpression, and particularly MET amplification, are predictive of response to Met-specific therapy in preclinical models. Immunohistochemistry (IHC) of formalin-fixed paraffin-embedded (FFPE) tissues is currently used to select for ‘high Met’ expressing tumors for Met inhibitor trials. IHC suffers from antibody non-specificity, lack of quantitative resolution, and, when quantifying multiple proteins, inefficient use of scarce tissue. Methods After describing the development of the Liquid-Tissue-Selected Reaction Monitoring-mass spectrometry (LT-SRM-MS) Met assay, we evaluated the expression level of Met in 130 FFPE gastroesophageal cancer (GEC) tissues. We assessed the correlation of SRM Met expression to IHC and mean MET gene copy number (GCN)/nucleus or MET/CEP7 ratio by fluorescence in situ hybridization (FISH). Results Proteomic mapping of recombinant Met identified 418TEFTTALQR426 as the optimal SRM peptide. Limits of detection (LOD) and quantitation (LOQ) for this peptide were 150 and 200 amol/µg tumor protein, respectively. The assay demonstrated excellent precision and temporal stability of measurements in serial sections analyzed one year apart. Expression levels of 130 GEC tissues ranged (<150 amol/µg to 4669.5 amol/µg. High correlation was observed between SRM Met expression and both MET GCN and MET/CEP7 ratio as determined by FISH (n = 30; R2 = 0.898). IHC did not correlate well with SRM (n = 44; R2 = 0.537) nor FISH GCN (n = 31; R2 = 0.509). A Met SRM level of ≥1500 amol/µg was 100% sensitive (95% CI 0.69–1) and 100% specific (95% CI 0.92–1) for MET amplification. Conclusions The Met SRM assay measured the absolute Met levels in clinical tissues with high precision. Compared to IHC, SRM provided a quantitative and linear measurement of Met expression, reliably distinguishing between non-amplified and amplified MET tumors. These results demonstrate a novel clinical tool for efficient tumor expression profiling, potentially leading to better informed therapeutic decisions for patients with GEC.
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Affiliation(s)
- Daniel V. T. Catenacci
- Department of Medicine, Section of Hematology & Oncology, University of Chicago, Chicago, Illinois, United States of America
- * E-mail:
| | - Wei-Li Liao
- OncoPlex Diagnostics Inc., Rockville, Maryland, United States of America
| | - Sheeno Thyparambil
- OncoPlex Diagnostics Inc., Rockville, Maryland, United States of America
| | - Les Henderson
- Department of Medicine, Section of Hematology & Oncology, University of Chicago, Chicago, Illinois, United States of America
| | - Peng Xu
- Department of Medicine, Section of Hematology & Oncology, University of Chicago, Chicago, Illinois, United States of America
| | - Lei Zhao
- Department of Pathology, University of Chicago, Chicago, Illinois, United States of America
| | - Brittany Rambo
- Department of Medicine, Section of Hematology & Oncology, University of Chicago, Chicago, Illinois, United States of America
| | - John Hart
- Department of Pathology, University of Chicago, Chicago, Illinois, United States of America
| | - Shu-Yuan Xiao
- Department of Pathology, University of Chicago, Chicago, Illinois, United States of America
| | - Kathleen Bengali
- OncoPlex Diagnostics Inc., Rockville, Maryland, United States of America
| | - Jamar Uzzell
- OncoPlex Diagnostics Inc., Rockville, Maryland, United States of America
| | - Marlene Darfler
- OncoPlex Diagnostics Inc., Rockville, Maryland, United States of America
| | - David B. Krizman
- OncoPlex Diagnostics Inc., Rockville, Maryland, United States of America
| | - Fabiola Cecchi
- Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Donald P. Bottaro
- Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Theodore Karrison
- Department of Health Studies, University of Chicago, Chicago, Illinois, United States of America
| | | | - Todd Hembrough
- OncoPlex Diagnostics Inc., Rockville, Maryland, United States of America
| | - Jon Burrows
- OncoPlex Diagnostics Inc., Rockville, Maryland, United States of America
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Van Schaeybroeck S, Kalimutho M, Dunne PD, Carson R, Allen W, Jithesh PV, Redmond KL, Sasazuki T, Shirasawa S, Blayney J, Michieli P, Fenning C, Lenz HJ, Lawler M, Longley DB, Johnston PG. ADAM17-dependent c-MET-STAT3 signaling mediates resistance to MEK inhibitors in KRAS mutant colorectal cancer. Cell Rep 2014; 7:1940-55. [PMID: 24931611 DOI: 10.1016/j.celrep.2014.05.032] [Citation(s) in RCA: 83] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2012] [Revised: 03/01/2014] [Accepted: 05/12/2014] [Indexed: 12/28/2022] Open
Abstract
There are currently no approved targeted therapies for advanced KRAS mutant (KRASMT) colorectal cancer (CRC). Using a unique systems biology approach, we identified JAK1/2-dependent activation of STAT3 as the key mediator of resistance to MEK inhibitors in KRASMT CRC in vitro and in vivo. Further analyses identified acute increases in c-MET activity following treatment with MEK inhibitors in KRASMT CRC models, which was demonstrated to promote JAK1/2-STAT3-mediated resistance. Furthermore, activation of c-MET following MEK inhibition was found to be due to inhibition of the ERK-dependent metalloprotease ADAM17, which normally inhibits c-MET signaling by promoting shedding of its endogenous antagonist, soluble "decoy" MET. Most importantly, pharmacological blockade of this resistance pathway with either c-MET or JAK1/2 inhibitors synergistically increased MEK-inhibitor-induced apoptosis and growth inhibition in vitro and in vivo in KRASMT models, providing clear rationales for the clinical assessment of these combinations in KRASMT CRC patients.
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Affiliation(s)
- Sandra Van Schaeybroeck
- Centre for Cancer Research and Cell Biology, School of Medicine, Dentistry and Biomedical Science, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7AE, UK
| | - Murugan Kalimutho
- Centre for Cancer Research and Cell Biology, School of Medicine, Dentistry and Biomedical Science, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7AE, UK
| | - Philip D Dunne
- Centre for Cancer Research and Cell Biology, School of Medicine, Dentistry and Biomedical Science, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7AE, UK
| | - Robbie Carson
- Centre for Cancer Research and Cell Biology, School of Medicine, Dentistry and Biomedical Science, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7AE, UK
| | - Wendy Allen
- Centre for Cancer Research and Cell Biology, School of Medicine, Dentistry and Biomedical Science, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7AE, UK
| | - Puthen V Jithesh
- Centre for Cancer Research and Cell Biology, School of Medicine, Dentistry and Biomedical Science, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7AE, UK
| | - Keara L Redmond
- Centre for Cancer Research and Cell Biology, School of Medicine, Dentistry and Biomedical Science, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7AE, UK
| | - Takehiko Sasazuki
- Institute for Advanced Study, Kyushu University, Higashi-ku, Fukuoka 812-8582, Japan
| | - Senji Shirasawa
- Department of Cell Biology, Faculty of Medicine, Fukuoka University, Jonan-Ku, Fukuoka 814-0180, Japan
| | - Jaine Blayney
- Centre for Cancer Research and Cell Biology, School of Medicine, Dentistry and Biomedical Science, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7AE, UK
| | - Paolo Michieli
- Laboratory of Experimental Therapy, Candiolo Cancer Institute-FPO, IRCCS, Candiolo, Torino 10060, Italy; Department of Oncology, University of Torino Medical School, Candiolo, Torino 10060, Italy
| | - Cathy Fenning
- Centre for Cancer Research and Cell Biology, School of Medicine, Dentistry and Biomedical Science, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7AE, UK
| | - Heinz-Josef Lenz
- Division of Medical Oncology, University of Southern California/Norris Comprehensive Cancer Center, Keck School of Medicine, Los Angeles, CA 90033, USA
| | - Mark Lawler
- Centre for Cancer Research and Cell Biology, School of Medicine, Dentistry and Biomedical Science, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7AE, UK
| | - Daniel B Longley
- Centre for Cancer Research and Cell Biology, School of Medicine, Dentistry and Biomedical Science, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7AE, UK
| | - Patrick G Johnston
- Centre for Cancer Research and Cell Biology, School of Medicine, Dentistry and Biomedical Science, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7AE, UK.
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Prager AJ, Peng CR, Lita E, McNally D, Kaushal A, Sproull M, Compton K, Dahut WL, Figg WD, Citrin D, Camphausen KA. Urinary aHGF, IGFBP3 and OPN as diagnostic and prognostic biomarkers for prostate cancer. Biomark Med 2014; 7:831-41. [PMID: 24266816 DOI: 10.2217/bmm.13.112] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
AIM Serum PSA screening for prostate cancer (PCa) is controversial. Here, we identify three urinary biomarkers - aHGF, IGFBP3 and OPN - for PCa screening and prognostication. METHODS Urinary aHGF, OPN and IGFBP3 from healthy men (n = 19) and men with localized (n = 65) and metastatic (n = 36) PCa were quantified via ELISA. Mann-Whitney nonparametric t-test and the Search Tool for the Retrieval of Interacting Genes/Proteins (STRING) analyses were used to analyze associations. RESULTS Mean aHGF and IGFBP3 levels were significantly elevated in PCa patients versus controls (p = 0.0006 and p = 0.0012, respectively), and the area under the curve of the receiver operating characteristic curve (indicator of diagnostic accuracy) for aHGF and IGFBP3 was 0.75 and 0.74, respectively. OPN levels were significantly higher in metastatic groups (p = 0.0060) versus localized and controls (area under the curve = 0.68). CONCLUSION Urinary aHGF and IGFBP3 exhibit the capacity for diagnostic discrimination for PCa, whereas OPN may indicate presence of metastatic disease.
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Affiliation(s)
- Alisa J Prager
- Radiation Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
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Maroun CR, Rowlands T. The Met receptor tyrosine kinase: a key player in oncogenesis and drug resistance. Pharmacol Ther 2013; 142:316-38. [PMID: 24384534 DOI: 10.1016/j.pharmthera.2013.12.014] [Citation(s) in RCA: 155] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Accepted: 12/12/2013] [Indexed: 12/14/2022]
Abstract
The Met receptor tyrosine kinase (RTK) is an attractive oncology therapeutic target. Met and its ligand, HGF, play a central role in signaling pathways that are exploited during the oncogenic process, including regulation of cell proliferation, invasion, angiogenesis, and cancer stem cell regulation. Elevated Met and HGF as well as numerous Met genetic alterations have been reported in human cancers and correlate with poor outcome. Alterations of pathways that regulate Met, such as the ubiquitin ligase c-Cbl are also likely to activate Met in the oncogenic setting. Moreover, interactive crosstalk between Met and other receptors such as EGFR, HER2 and VEGFR, underlies a key role for Met in resistance to other RTK-targeted therapies. A large body of preclinical and clinical data exists that supports the use of either antibodies or small molecule inhibitors that target Met or HGF as oncology therapeutics. The prognostic potential of Met expression has been suggested from studies in numerous cancers including lung, renal, liver, head and neck, stomach, and breast. Clinical trials using Met inhibitors indicate that the level of Met expression is a determinant of trial outcome, a finding that is actively under investigation in multiple clinical scenarios. Research in Met prognostics and predictors of drug response is now shifting toward more sophisticated methodologies suitable for development as validated and effective biomarkers that can be partnered with therapeutics to improve patient survival.
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Affiliation(s)
- Christiane R Maroun
- Mirati Therapeutics, 7150 Frederick-Banting, Suite 200, Montreal, Quebec H4S 2A1, Canada.
| | - Tracey Rowlands
- Mirati Therapeutics, 7150 Frederick-Banting, Suite 200, Montreal, Quebec H4S 2A1, Canada
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46
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Mai E, Zheng Z, Chen Y, Peng J, Severin C, Filvaroff E, Romero M, Mallet W, Kaur S, Gelzleichter T, Nijem I, Merchant M, Young JC. Nonclinical evaluation of the serum pharmacodynamic biomarkers HGF and shed MET following dosing with the anti-MET monovalent monoclonal antibody onartuzumab. Mol Cancer Ther 2013; 13:540-52. [PMID: 24258345 DOI: 10.1158/1535-7163.mct-13-0494] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Onartuzumab, a humanized, monovalent monoclonal anti-MET antibody, antagonizes MET signaling by inhibiting binding of its ligand, hepatocyte growth factor (HGF). We investigated the effects of onartuzumab on cell-associated and circulating (shed) MET (sMET) and circulating HGF in vitro and nonclinically to determine their utility as pharmacodynamic biomarkers for onartuzumab. Effects of onartuzumab on cell-associated MET were assessed by flow cytometry and immunofluorescence. sMET and HGF were measured in cell supernatants and in serum or plasma from multiple species (mouse, cynomolgus monkey, and human) using plate-based immunoassays. Unlike bivalent anti-MET antibodies, onartuzumab stably associates with MET on the surface of cells without inducing MET internalization or shedding. Onartuzumab delayed the clearance of human xenograft tumor-produced sMET from the circulation of mice, and endogenous sMET in cynomolgus monkeys. In mice harboring MET-expressing xenograft tumors, in the absence of onartuzumab, levels of human sMET correlated with tumor size, and may be predictive of MET-expressing tumor burden. Because binding of sMET to onartuzumab in circulation resulted in increasing sMET serum concentrations due to reduced clearance, this likely renders sMET unsuitable as a pharmacodynamic biomarker for onartuzumab. There was no observed effect of onartuzumab on circulating HGF levels in xenograft tumor-bearing mice or endogenous HGF in cynomolgus monkeys. Although sMET and HGF may serve as predictive biomarkers for MET therapeutics, these data do not support their use as pharmacodynamic biomarkers for onartuzumab.
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Affiliation(s)
- Elaine Mai
- Corresponding Author: Judy C. Young, Department of Biochemical and Cellular Pharmacology, Genentech Inc., 1 DNA Way, MS98, South San Francisco, CA 94080.
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Fu L, Guo W, Liu B, Sun L, Bi Z, Zhu L, Wang X, Liu B, Xie Q, Li K. Shedding of c-Met ectodomain correlates with c-Met expression in non-small cell lung cancer. Biomarkers 2013; 18:126-35. [PMID: 23410046 DOI: 10.3109/1354750x.2012.751455] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVE The aim of this study is to reveal the correlation of shedding and expression of c-Met in non-small cell lung cancer (NSCLC) patient. MATERIALS AND METHODS We measured soluble c-Met and c-Met level in a panel of pre-clinical models and 197 advanced Chinese NSCLC patients by enzyme-linked immunosorbent assay and immunohistochemistry, respectively. RESULTS Shedding of soluble c-Met associates with total c-Met amount in pre-clinical models, and soluble c-Met correlates with both c-Met expression level and tumor size in human, high soluble c-Met predicts poorer outcome.
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Affiliation(s)
- Le Fu
- Department of Radiology, Huashan Hospital of Fudan University, Shanghai, China
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48
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Jagoda EM, Lang L, Bhadrasetty V, Histed S, Williams M, Kramer-Marek G, Mena E, Rosenblum L, Marik J, Tinianow JN, Merchant M, Szajek L, Paik C, Cecchi F, Raffensperger K, Jose-Dizon JM, Bottaro DP, Choyke P. Immuno-PET of the hepatocyte growth factor receptor Met using the 1-armed antibody onartuzumab. J Nucl Med 2012; 53:1592-600. [PMID: 22917884 DOI: 10.2967/jnumed.111.102293] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
UNLABELLED The overexpression and overactivation of hepatocyte growth factor receptor (Met) in various cancers has been linked to increased proliferation, progression to metastatic disease, and drug resistance. Developing a PET agent to assess Met expression would aid in the diagnosis and monitoring of responses to Met-targeted therapies. In these studies, onartuzumab, the experimental therapeutic 1-armed monoclonal antibody, was radiolabeled with (76)Br or (89)Zr and evaluated as an imaging agent in Met-expressing cell lines and mouse xenografts. METHODS (89)Zr-desferrioxamine (df)-onartuzumab was synthesized using a df-conjugate; (76)Br-onartuzumab was labeled directly. Met-binding studies were performed using the human tumor-derived cell lines MKN-45, SNU-16, and U87-MG, which have relatively high, moderate, and low levels of Met, respectively. Biodistribution and small-animal PET studies were performed in MKN-45 and U87-MG xenografts. RESULTS (76)Br-onartuzumab and (89)Zr-df-onartuzumab exhibited specific, high-affinity Met binding (in the nanomolar range) that was concordant with established Met expression levels. In MKN-45 (gastric carcinoma) xenografts, both tracers cleared slowly from nontarget tissues, with the highest uptake in tumor, blood, kidneys, and lungs. (76)Br-onartuzumab MKN-45 tumor uptake remained relatively constant from 18 h (5 percentage injected dose per gram of tissue [%ID/g]) to 48 h (3 %ID/g) and exhibited tumor-to-muscle ratios ranging from 4:1 to 6:1. In contrast, (89)Zr-df-onartuzumab MKN-45 tumor uptake continued to accumulate from 18 h (10 %ID/g) to 120 h (23 %ID/g), attaining tumor-to-muscle ratios ranging from 20:1 to 27:1. MKN-45 tumors were easily visualized in imaging studies with both tracers at 18 h, but after 48 h (89)Zr-df-onartuzumab image quality improved, with at least 2-fold-greater tumor uptake than nontarget tissues. MKN-45 tumor uptake for both tracers correlated significantly with tumor mass and Met expression and was not affected by the presence of plasma shed Met. CONCLUSION (89)Zr-df-onartuzumab and (76)Br-onartuzumab specifically targeted Met in vitro and in vivo; (89)Zr-df-onartuzumab achieved higher tumor uptake and tumor-to-muscle ratios than (76)Br-onartuzumab at later times, suggesting that (89)Zr-df-onartuzumab would be better suited to image Met for diagnostic and prognostic purposes.
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Affiliation(s)
- Elaine M Jagoda
- Molecular Imaging Program, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892-1088, USA.
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49
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Ancot F, Leroy C, Muharram G, Lefebvre J, Vicogne J, Lemiere A, Kherrouche Z, Foveau B, Pourtier A, Melnyk O, Giordano S, Chotteau-Lelievre A, Tulasne D. Shedding-generated Met receptor fragments can be routed to either the proteasomal or the lysosomal degradation pathway. Traffic 2012; 13:1261-72. [PMID: 22672335 DOI: 10.1111/j.1600-0854.2012.01384.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2011] [Revised: 05/29/2012] [Accepted: 06/07/2012] [Indexed: 01/05/2023]
Abstract
The receptor tyrosine kinase Met and its ligand, the hepatocyte growth factor/scatter factor, are essential for embryonic development, whereas deregulation of Met signaling pathways is associated with tumorigenesis and metastasis. The presenilin-regulated intramembrane proteolysis (PS-RIP) is involved in ligand-independent downregulation of Met. This proteolytic process involves shedding of the Met extracellular domain followed by γ-secretase cleavage, generating labile intracellular fragments degraded by the proteasome. We demonstrate here that upon shedding both generated Met N- and C-terminal fragments are degraded directly in the lysosome, with C-terminal fragments escaping γ-secretase cleavage. PS-RIP and lysosomal degradation are complementary, because their simultaneous inhibition induces synergistic accumulation of fragments. Met N-terminal fragments associate with the high-affinity domain of HGF/SF, confirming its decoy activity which could be reduced through their routing to the lysosome at the expense of extracellular release. Finally, the DN30 monoclonal antibody inducing Met shedding promotes receptor degradation through induction of both PS-RIP and the lysosomal pathway. Thus, we demonstrate that Met shedding initiates a novel lysosomal degradation which participates to ligand-independent downregulation of the receptor.
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Affiliation(s)
- Frédéric Ancot
- CNRS UMR 8161, Institut de Biologie de Lille, Institut Pasteur de Lille, Université de Lille 1, Université de Lille 2, Lille cedex, France
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50
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Klotz M, Schmid E, Steiner-Hahn K, Rose T, Laube J, Roese L, Henderson D, Krahn T, von Ahsen O. Preclinical evaluation of biomarkers for response monitoring to the MET inhibitor BAY-853474. Biomarkers 2012; 17:325-35. [PMID: 22452362 DOI: 10.3109/1354750x.2012.670865] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
CONTEXT The receptor tyrosine kinase MET contributes to a wide range of biological activities, including survival, proliferation, and metastasis, which play an important role in cancer progression. MET is frequently overexpressed or amplified in a range of malignancies. Therefore, MET is an attractive therapeutic target for treatment of cancer. BAY-853474 is a novel specific MET inhibitor highly effective in preclinical tumor models. OBJECTIVE For response monitoring in clinical studies, soluble plasma biomarkers are the most convenient and least invasive choice. Therefore, we sought to identify such biomarkers in xenograft models. RESULTS We show that BAY-853474 reduces the tumor burden in U87MG glioblastoma, NCI-H1993 nonsmall cell lung cancer, and HS746T gastric cancer xenograft models. We demonstrate that the dose dependence is reflected by inhibition of MET phosphorylation and that the soluble plasma biomarkers hepatocyte growth factor, vascular endothelial growth factor, and interleukin-8 as well as the MET-ectodomain can be used to monitor the tumor size and response to treatment. Clinical samples, however, show only moderately elevated levels of these biomarker candidates in cancer patients even with MET amplification. We, therefore, established an immunohistochemistry (IHC) protocol to detect MET phosphorylation that is suitable to monitor the effect of BAY-853474 in tumor biopsies. CONCLUSION IHC-based analysis of target phosphorylation in tumor biopsies is recommended in addition to testing plasma biomarkers for response monitoring.
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Affiliation(s)
- Monika Klotz
- Global Biomarker Research, Bayer Pharma AG, Berlin, Germany
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