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Ji Z, Shen J, Lan Y, Yi Q, Liu H. Targeting signaling pathways in osteosarcoma: Mechanisms and clinical studies. MedComm (Beijing) 2023; 4:e308. [PMID: 37441462 PMCID: PMC10333890 DOI: 10.1002/mco2.308] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 05/17/2023] [Accepted: 05/19/2023] [Indexed: 07/15/2023] Open
Abstract
Osteosarcoma (OS) is a highly prevalent bone malignancy among adolescents, accounting for 40% of all primary malignant bone tumors. Neoadjuvant chemotherapy combined with limb-preserving surgery has effectively reduced patient disability and mortality, but pulmonary metastases and OS cells' resistance to chemotherapeutic agents are pressing challenges in the clinical management of OS. There has been an urgent need to identify new biomarkers for OS to develop specific targeted therapies. Recently, the continued advancements in genomic analysis have contributed to the identification of clinically significant molecular biomarkers for diagnosing OS, acting as therapeutic targets, and predicting prognosis. Additionally, the contemporary molecular classifications have revealed that the signaling pathways, including Wnt/β-catenin, PI3K/AKT/mTOR, JAK/STAT3, Hippo, Notch, PD-1/PD-L1, MAPK, and NF-κB, have an integral role in OS onset, progression, metastasis, and treatment response. These molecular classifications and biological markers have created new avenues for more accurate OS diagnosis and relevant treatment. We herein present a review of the recent findings for the modulatory role of signaling pathways as possible biological markers and treatment targets for OS. This review also discusses current OS therapeutic approaches, including signaling pathway-based therapies developed over the past decade. Additionally, the review covers the signaling targets involved in the curative effects of traditional Chinese medicines in the context of expression regulation of relevant genes and proteins through the signaling pathways to inhibit OS cell growth. These findings are expected to provide directions for integrating genomic, molecular, and clinical profiles to enhance OS diagnosis and treatment.
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Affiliation(s)
- Ziyu Ji
- School of Integrated Traditional Chinese and Western MedicineSouthwest Medical UniversityLuzhouSichuanChina
| | - Jianlin Shen
- Department of OrthopaedicsAffiliated Hospital of Putian UniversityPutianFujianChina
| | - Yujian Lan
- School of Integrated Traditional Chinese and Western MedicineSouthwest Medical UniversityLuzhouSichuanChina
| | - Qian Yi
- Department of PhysiologySchool of Basic Medical ScienceSouthwest Medical UniversityLuzhouSichuanChina
| | - Huan Liu
- Department of OrthopaedicsThe Affiliated Traditional Chinese Medicine Hospital of Southwest Medical UniversityLuzhouSichuanChina
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2
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Precision medicine in Ewing sarcoma: a translational point of view. Clin Transl Oncol 2020; 22:1440-1454. [PMID: 32026343 DOI: 10.1007/s12094-020-02298-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 01/09/2020] [Indexed: 12/19/2022]
Abstract
Ewing sarcoma is a rare tumor that arises in bones of children and teenagers but, in 15% of the patients it is presented as a primary soft tissue tumor. Balanced reciprocal chimeric translocation t(11;22)(q24;q12), which encodes an oncogenic protein fusion (EWSR1/FLI1), is the most generalized and characteristic molecular event. Using conventional treatments, (chemotherapy, surgery and radiotherapy) long-term overall survival rate is 30% for patients with disseminated disease and 65-75% for patients with localized tumors. Urgent new effective drug development is a challenge. This review summarizes the preclinical and clinical investigational knowledge about prognostic and targetable biomarkers in Ewing sarcoma, finally suggesting a workflow for precision medicine committees.
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The Tumor Microenvironment of Pediatric Sarcoma: Mesenchymal Mechanisms Regulating Cell Migration and Metastasis. Curr Oncol Rep 2019; 21:90. [PMID: 31418125 PMCID: PMC6695368 DOI: 10.1007/s11912-019-0839-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
PURPOSE OF REVIEW This review presents a selection of regulatory molecules of tumor microenvironmental properties and metastasis. Signaling pathways controlling mesenchymal biology in bone and soft-tissue sarcomas found in children and adolescents are prioritized. RECENT FINDINGS The tumor microenvironment of pediatric tumors is still relatively unexplored. Highlighted findings are mainly on deregulated genes associated with cell adhesion, migration, and tumor cell dissemination. How these processes are involved in a mesenchymal phenotype and metastasis is further discussed in relation to the epithelial to mesenchymal transition (EMT) in epithelial tumors. Cell plasticity is emerging as a concept with impact on tumor behavior. Sarcomas belong to a heterogeneous group of tumors where local recurrence and tumor spread pose major challenges despite intense multimodal treatments. Molecular pathways involved in the metastatic process are currently being characterized, and tumor-regulatory properties of structural components, and infiltrating, non-malignant cell types should be further investigated.
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Berning P, Schaefer C, Clemens D, Korsching E, Dirksen U, Potratz J. The CXCR4 antagonist plerixafor (AMD3100) promotes proliferation of Ewing sarcoma cell lines in vitro and activates receptor tyrosine kinase signaling. Cell Commun Signal 2018; 16:21. [PMID: 29776413 PMCID: PMC5960216 DOI: 10.1186/s12964-018-0233-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Accepted: 05/10/2018] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND The CXCR4 receptor antagonist plerixafor (AMD3100) is raising interest as an anti-cancer agent that disrupts the CXCL12-CXCR4 chemokine - receptor interaction between neoplastic cells and their microenvironment in tumor progression and metastasis. Here, we investigated plerixafor for anti-cancer activity in Ewing sarcoma, a rare and aggressive cancer of bone and soft tissues. METHODS We used a variety of methods such as cell viability and migration assays, flow cytometry, phospho-tyrosine arrays and western blotting to determine plerixafor effects on five characterized Ewing sarcoma cell lines and a low-passage culture in vitro. RESULTS Unexpectedly, plerixafor led to an increase in cell viability and proliferation in standard cell growth conditions, and to chemotactic migration towards plerixafor. Exploring potential molecular mechanisms underlying this effect, we found that Ewing sarcoma cell lines divided into classes of high- and low-level CXCR4 surface expression. Proliferative plerixafor responses were observed in both groups, maintained despite significant CXCR4 down-regulation or inhibition of Gαi-protein signal transduction, and involved activation of multiple receptor tyrosine kinases (DDR2, MERTK, MST1R, NTRK1, RET), the most prominent being platelet-derived growth factor receptor beta (PDGFRB). PDGFRB was activated in response to inhibition of the CXCL12-CXCR4 axis by plerixafor and/or pertussis toxin (Gαi-protein inhibitor). Dasatinib, a multi-kinase inhibitor of both PDGFRB and the CXCR4 downstream kinase SRC, counteracted this activation in some but not all cell lines. CONCLUSION These data suggest a feedback interaction between the CXCR4 chemokine receptor and RTK signaling cascades that elicits compensatory cell survival signaling and can shift the net effect of plerixafor towards proliferation. PDGFRB was identified as a candidate driver RTK and potential therapeutic co-target for CXCR4 in Ewing sarcoma. Although as yet limited to in vitro studies, these findings call for further investigation in the cancer - microenvironment interplay in vivo.
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Affiliation(s)
- Philipp Berning
- Department of Pediatric Hematology and Oncology, University Hospital Münster, Albert-Schweitzer-Campus 1, 48149, Münster, Germany.,Present address: Department of Medicine A, Hematology, Oncology and Pneumology, University Hospital Münster, Albert-Schweitzer-Campus 1, 48149, Münster, Germany
| | - Christiane Schaefer
- Department of Pediatric Hematology and Oncology, University Hospital Münster, Albert-Schweitzer-Campus 1, 48149, Münster, Germany.,Division of Hematology and Oncology, Department of Pediatrics III, West German Cancer Centre, University Hospital Essen, Hufelandstraße 55, 45147, Essen, Germany
| | - Dagmar Clemens
- Department of Pediatric Hematology and Oncology, University Hospital Münster, Albert-Schweitzer-Campus 1, 48149, Münster, Germany
| | - Eberhard Korsching
- Institute of Bioinformatics, Westfälische Wilhelms-Universität Münster, 48149, Münster, Germany
| | - Uta Dirksen
- Division of Hematology and Oncology, Department of Pediatrics III, West German Cancer Centre, University Hospital Essen, Hufelandstraße 55, 45147, Essen, Germany
| | - Jenny Potratz
- Department of General Pediatrics, University Hospital Münster, Albert-Schweitzer-Campus 1, 48149, Münster, Germany.
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5
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Yu H, Ge Y, Guo L, Huang L. Potential approaches to the treatment of Ewing's sarcoma. Oncotarget 2018; 8:5523-5539. [PMID: 27740934 PMCID: PMC5354928 DOI: 10.18632/oncotarget.12566] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Accepted: 10/03/2016] [Indexed: 01/04/2023] Open
Abstract
Ewing’s sarcoma (ES) is a highly aggressive and metastatic tumor in children and young adults caused by a chromosomal fusion between the Ewing sarcoma breakpoint region 1 (EWSR1) gene and the transcription factor FLI1 gene. ES is managed with standard treatments, including chemotherapy, surgery and radiation. Although the 5-year survival rate for primary ES has improved, the survival rate for ES patients with metastases or recurrence remains low. Several novel molecular targets in ES have recently been identified and investigated in preclinical and clinical settings, and targeting the function of receptor tyrosine kinases (RTKs), the fusion protein EWS-FLI1 and mTOR has shown promise. There has also been increasing interest in the immune responses of ES patients. Immunotherapies using T cells, NK cells, cancer vaccines and monoclonal antibodies have been considered for ES, especially for recurrent patients. Because understanding the pathogenesis of ES is extremely important for the development of novel treatments, this review focuses on the mechanisms and functions of targeted therapies and immunotherapies in ES. It is anticipated that integrating the knowledge obtained from basic research and translational and clinical studies will lead to the development of novel therapeutic strategies for the treatment of ES.
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Affiliation(s)
- Hongjiu Yu
- Department of Pathophysiology, Dalian Medical University, Dalian, Liaoning, P.R. China.,Department of VIP, The First Affiliated Hospital, Dalian Medical University, Dalian, Liaoning, P.R. China
| | - Yonggui Ge
- Department of Pathophysiology, Dalian Medical University, Dalian, Liaoning, P.R. China
| | - Lianying Guo
- Department of Pathophysiology, Dalian Medical University, Dalian, Liaoning, P.R. China
| | - Lin Huang
- Department of Pathophysiology, Dalian Medical University, Dalian, Liaoning, P.R. China
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6
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Patel SK, Leong R, Zhao H, Barone A, Casey D, Liu Q, Burckart GJ, Reaman G. Pediatric Development of Molecularly Targeted Oncology Drugs. Clin Pharmacol Ther 2017; 104:384-389. [DOI: 10.1002/cpt.942] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Shivam Kamlesh Patel
- Office of Clinical Pharmacology, Center for Drug Evaluation and Research; Food and Drug Administration; Silver Spring Maryland USA
- University of North Carolina at Chapel Hill; Chapel Hill North Carolina USA
| | - Ruby Leong
- Office of Clinical Pharmacology, Center for Drug Evaluation and Research; Food and Drug Administration; Silver Spring Maryland USA
| | - Hong Zhao
- Office of Clinical Pharmacology, Center for Drug Evaluation and Research; Food and Drug Administration; Silver Spring Maryland USA
| | - Amy Barone
- Office of Hematology and Oncology Products, Office of New Drugs, Center for Drug Evaluation and Research; Food and Drug Administration; Silver Spring Maryland USA
| | - Denise Casey
- Office of Hematology and Oncology Products, Office of New Drugs, Center for Drug Evaluation and Research; Food and Drug Administration; Silver Spring Maryland USA
| | - Qi Liu
- Office of Clinical Pharmacology, Center for Drug Evaluation and Research; Food and Drug Administration; Silver Spring Maryland USA
| | - Gilbert J. Burckart
- Office of Clinical Pharmacology, Center for Drug Evaluation and Research; Food and Drug Administration; Silver Spring Maryland USA
| | - Gregory Reaman
- Office of Hematology and Oncology Products, Office of New Drugs, Center for Drug Evaluation and Research; Food and Drug Administration; Silver Spring Maryland USA
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7
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Olaratumab Exerts Antitumor Activity in Preclinical Models of Pediatric Bone and Soft Tissue Tumors through Inhibition of Platelet-Derived Growth Factor Receptor α. Clin Cancer Res 2017; 24:847-857. [DOI: 10.1158/1078-0432.ccr-17-1258] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Revised: 09/07/2017] [Accepted: 11/28/2017] [Indexed: 11/16/2022]
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8
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Inagaki Y, Hookway E, Williams KA, Hassan AB, Oppermann U, Tanaka Y, Soilleux E, Athanasou NA. Dendritic and mast cell involvement in the inflammatory response to primary malignant bone tumours. Clin Sarcoma Res 2016; 6:13. [PMID: 27482375 PMCID: PMC4968446 DOI: 10.1186/s13569-016-0053-3] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Accepted: 07/13/2016] [Indexed: 12/11/2022] Open
Abstract
Background A chronic inflammatory cell infiltrate is commonly seen in response to primary malignant tumours of bone. This is known to contain tumour-associated macrophages (TAMs) and lymphocytes; dendritic cells (DCs) and mast cells (MCs) have also been identified but whether these and other inflammatory cells are seen commonly in specific types of bone sarcoma is uncertain. Methods In this study we determined the nature of the inflammatory cell infiltrate in 56 primary bone sarcomas. Immunohistochemistry using monoclonal antibodies was employed to assess semiquantitatively CD45+ leukocyte infiltration and the extent of the DC, MC, TAM and T and B lymphocyte infiltrate. Results The extent of the inflammatory infiltrate in individual sarcomas was very variable. A moderate or heavy leukocyte infiltrate was more commonly seen in conventional high-grade osteosarcoma, undifferentiated pleomorphic sarcoma and giant cell tumour of bone (GCTB) than in Ewing sarcoma, chordoma and chondrosarcoma. CD14+/CD68+ TAMs and CD3+ T lymphocytes were the major components of the inflammatory cell response but (DC-SIGN/CD11c+) DCs were also commonly noted when there was a significant TAM and T lymphocyte infiltrate. MCs were identified mainly at the periphery of sarcomas, including the osteolytic tumour-bone interface. Discussion Our findings indicate that, although variable, some malignant bone tumours (e.g. osteosarcoma, GCTB) are more commonly associated with a pronounced inflammatory cell infiltrate than others (e.g. chondrosarcoma. Ewing sarcoma); the infiltrate is composed mainly of TAMs but includes a significant DC, T lymphocyte and MC infiltrate. Conclusion Tumours that contain a heavy inflammatory cell response, which includes DCs, TAMs and T lymphocytes, may be more amenable to immunomodulatory therapy. MCs are present mainly at the tumour edge and are likely to contribute to osteolysis and tumour invasion.
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Affiliation(s)
- Y Inagaki
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal and Sciences, University of Oxford, Nuffield Orthopaedic Centre, Oxford, OX3 7HE UK ; Department of Orthopaedic Surgery, Nara Medical University, Kashihara, Japan
| | - E Hookway
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal and Sciences, University of Oxford, Nuffield Orthopaedic Centre, Oxford, OX3 7HE UK
| | - K A Williams
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal and Sciences, University of Oxford, Nuffield Orthopaedic Centre, Oxford, OX3 7HE UK
| | - A B Hassan
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal and Sciences, University of Oxford, Nuffield Orthopaedic Centre, Oxford, OX3 7HE UK
| | - U Oppermann
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal and Sciences, University of Oxford, Nuffield Orthopaedic Centre, Oxford, OX3 7HE UK
| | - Y Tanaka
- Department of Orthopaedic Surgery, Nara Medical University, Kashihara, Japan
| | - E Soilleux
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal and Sciences, University of Oxford, Nuffield Orthopaedic Centre, Oxford, OX3 7HE UK
| | - N A Athanasou
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal and Sciences, University of Oxford, Nuffield Orthopaedic Centre, Oxford, OX3 7HE UK
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9
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Potratz J, Tillmanns A, Berning P, Korsching E, Schaefer C, Lechtape B, Schleithoff C, Unland R, Schäfer KL, Müller-Tidow C, Jürgens H, Dirksen U. Receptor tyrosine kinase gene expression profiles of Ewing sarcomas reveal ROR1 as a potential therapeutic target in metastatic disease. Mol Oncol 2016; 10:677-92. [PMID: 26739507 PMCID: PMC5423155 DOI: 10.1016/j.molonc.2015.12.009] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2015] [Revised: 12/11/2015] [Accepted: 12/12/2015] [Indexed: 01/10/2023] Open
Abstract
Receptor tyrosine kinases (RTKs) have provided molecular targets for the development of novel, prognosis-improving agents in many cancers; however, resistances to these therapies occur. On the cellular level, one resistance mechanism is attributed to functional RTK redundancies and compensatory cross-signaling, leading to perception of RTKs as signaling and target networks. To provide a basis for better exploitation of this network in Ewing sarcoma, we generated comprehensive qPCR gene expression profiles of RTKs in Ewing sarcoma cell lines and 21 untreated primary tumors. Key findings confirm broad-spectrum RTK expressions with potential for signaling redundancy. Profile analyses with regard to patient risk-group further revealed several individual RTKs of interest. Among them, VEGFR3 and TIE1 showed high-level expressions and also were suggestive of poor prognosis in localized tumors; underscoring the relevance of angiogenic signaling pathways and tumor-stroma interactions in Ewing sarcoma. Of note, compared to localized disease, tumors derived from metastatic disease were marked by global high-level RTK expressions. Nine individual RTKs were significantly over-expressed, suggesting contributions to molecular mechanisms of metastasis. Of these, ROR1 is being pursued as therapeutic target in leukemias and carcinomas, but un-characterized in sarcomas. We demonstrate expression of ROR1 and its putative ligand Wnt5a in Ewing sarcomas, and of an active ROR1 protein variant in cell lines. ROR1 silencing impaired cell migration in vitro. Therefore, ROR1 calls for further evaluation as a therapeutic target in metastatic Ewing sarcoma; and described as a pseudo-kinase with several isoforms, underlines these additional complexities arising in our understanding of RTK signaling networks.
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Affiliation(s)
- Jenny Potratz
- Pediatric Hematology and Oncology, University Children's Hospital Münster, Albert-Schweitzer-Campus 1, 48149 Münster, Germany.
| | - Amelie Tillmanns
- Pediatric Hematology and Oncology, University Children's Hospital Münster, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Philipp Berning
- Pediatric Hematology and Oncology, University Children's Hospital Münster, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Eberhard Korsching
- Institute of Bioinformatics, Westfälische-Wilhelms Universität Münster, Niels-Stensen-Strasse 12, 48149 Münster, Germany
| | - Christiane Schaefer
- Pediatric Hematology and Oncology, University Children's Hospital Münster, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Birgit Lechtape
- Pediatric Hematology and Oncology, University Children's Hospital Münster, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Carolin Schleithoff
- Pediatric Hematology and Oncology, University Children's Hospital Münster, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Rebekka Unland
- Pediatric Hematology and Oncology, University Children's Hospital Münster, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Karl-Ludwig Schäfer
- Institute of Pathology, University Medical Center Düsseldorf, Moorenstrasse 5, 40225 Düsseldorf, Germany
| | - Carsten Müller-Tidow
- Department of Inner Medicine IV, Hematology and Oncology, University Hospital Halle, Ernst-Grube-Strasse 40, 06120 Halle (Saale), Germany
| | - Heribert Jürgens
- Pediatric Hematology and Oncology, University Children's Hospital Münster, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Uta Dirksen
- Pediatric Hematology and Oncology, University Children's Hospital Münster, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
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10
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Shaikh AB, Li F, Li M, He B, He X, Chen G, Guo B, Li D, Jiang F, Dang L, Zheng S, Liang C, Liu J, Lu C, Liu B, Lu J, Wang L, Lu A, Zhang G. Present Advances and Future Perspectives of Molecular Targeted Therapy for Osteosarcoma. Int J Mol Sci 2016; 17:506. [PMID: 27058531 PMCID: PMC4848962 DOI: 10.3390/ijms17040506] [Citation(s) in RCA: 84] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2016] [Accepted: 03/30/2016] [Indexed: 12/20/2022] Open
Abstract
Osteosarcoma (OS) is a bone cancer mostly occurring in pediatric population. Current treatment regime of surgery and intensive chemotherapy could cure about 60%-75% patients with primary osteosarcoma, however only 15% to 30% can be cured when pulmonary metastasis or relapse has taken place. Hence, novel precise OS-targeting therapies are being developed with the hope of addressing this issue. This review summarizes the current development of molecular mechanisms and targets for osteosarcoma. Therapies that target these mechanisms with updated information on clinical trials are also reviewed. Meanwhile, we further discuss novel therapeutic targets and OS-targeting drug delivery systems. In conclusion, a full insight in OS pathogenesis and OS-targeting strategies would help us explore novel targeted therapies for metastatic osteosarcoma.
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Affiliation(s)
- Atik Badshah Shaikh
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China.
| | - Fangfei Li
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China.
| | - Min Li
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China.
- Department of Orthopaedic Surgery, Shenzhen Hospital, Southern Medical University, Shenzhen 518100, China.
| | - Bing He
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China.
| | - Xiaojuan He
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China.
| | - Guofen Chen
- Orthopaedic Surgery Department, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China.
| | - Baosheng Guo
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China.
| | - Defang Li
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China.
| | - Feng Jiang
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China.
| | - Lei Dang
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China.
| | - Shaowei Zheng
- Department of Orthopaedic Surgery, the First Hospital of Huizhou, Huizhou 516000, China.
| | - Chao Liang
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China.
| | - Jin Liu
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China.
| | - Cheng Lu
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China.
| | - Biao Liu
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China.
| | - Jun Lu
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China.
| | - Luyao Wang
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China.
| | - Aiping Lu
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China.
| | - Ge Zhang
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China.
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11
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Thompson JJ, Morrison JA, Pearl DL, Boston SE, Wood GA, Foster RA, Coomber BL. Receptor Tyrosine Kinase Expression Profiles in Canine Cutaneous and Subcutaneous Mast Cell Tumors. Vet Pathol 2015; 53:545-58. [DOI: 10.1177/0300985815610388] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The receptor tyrosine kinase (RTK) KIT is a major focus of current research into canine mast cell tumors (MCTs). Little is known about the role of other RTKs, such as vascular endothelial growth factor receptors (VEGFRs) and platelet-derived growth factor receptors (PDGFRs). These RTKs are dysregulated in many human and animal cancers and are key regulators of tumor angiogenesis. The aims of this study were to assess the expression and activation (phosphorylation) status of KIT, VEGFR2, and PDGFR (α and β) in canine MCTs and to examine associations with various clinical outcomes. c- KIT mutational status and KIT cellular localization pattern were also evaluated for these tumors. Twenty-seven MCTs, consisting of 5 subcutaneous and 22 cutaneous tumors, from 25 dogs were evaluated. MCT biopsies, cultured mast cells, and skin from the surgical margin were analyzed through Western blotting. MCT biopsies were also used for KIT immunohistochemical labeling and polymerase chain reaction for c- KIT mutational analysis. MCT had heterogeneous expression profiles for all 3 RTKs, which varied in intensity and activation status. Statistical analyses showed phosphorylated KIT, VEGFR2, and KIT cellular localization to be predictive of decreased survival time, disease-free interval, and increased metastatic rate. Expression of VEGFR2 and KIT diffuse cytoplasmic labeling were also significantly associated with increased rate of local recurrence. The results of the study show that phosphorylated KIT, KIT, VEGFR2, and PDGFRβ, in addition to KIT localization, may be valuable prognostic determinants in MCTs and should be further studied to improve diagnostic and therapeutic modalities.
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Affiliation(s)
- J. J. Thompson
- University of Guelph, Ontario Veterinary College, Guelph, Canada
| | - J. A. Morrison
- University of Guelph, Ontario Veterinary College, Guelph, Canada
| | - D. L. Pearl
- University of Guelph, Ontario Veterinary College, Guelph, Canada
| | - S. E. Boston
- University of Guelph, Ontario Veterinary College, Guelph, Canada
- University of Florida, Gainesville, FL, USA
| | - G. A. Wood
- University of Guelph, Ontario Veterinary College, Guelph, Canada
| | - R. A. Foster
- University of Guelph, Ontario Veterinary College, Guelph, Canada
| | - B. L. Coomber
- University of Guelph, Ontario Veterinary College, Guelph, Canada
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12
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Jiang Y, Ludwig J, Janku F. Targeted therapies for advanced Ewing sarcoma family of tumors. Cancer Treat Rev 2015; 41:391-400. [PMID: 25869102 DOI: 10.1016/j.ctrv.2015.03.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Revised: 03/17/2015] [Accepted: 03/20/2015] [Indexed: 12/30/2022]
Abstract
The prognosis of adolescent and young adult patients battling metastatic Ewing sarcoma family of tumors (ESFT) remains less than 30% despite the development of systemic therapies. In the era of personalized medicine, novel molecular targets have been tested in preclinical or clinical settings in ESFT. In this review, we focus on early clinical and translational research that identified multiple molecular targets, including IGF-1R; mTOR; tyrosine kinase inhibitors; EWS-FLI1-related targets, and others. Overall, novel targeted therapies demonstrated modest efficacy; however pronounced and durable antineoplastic responses have been observed in small subsets of treated patients, for example with IGF-1R antibodies. Identifying outcome-predicting biomarkers and overcoming treatment resistance remain major challenges. Due to the rarity of ESFT, multi-institutional collaboration efforts of clinicians, basic and translational scientists are needed in order to understand biology of therapeutic response or resistance, which can lead to development of novel therapeutic methods and improved patient outcomes.
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Affiliation(s)
- Yunyun Jiang
- Department of Investigational Cancer Therapeutics (Phase I Clinical Trials Program), The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Joseph Ludwig
- Department of Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
| | - Filip Janku
- Department of Investigational Cancer Therapeutics (Phase I Clinical Trials Program), The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
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Kovar H. Blocking the road, stopping the engine or killing the driver? Advances in targeting EWS/FLI-1 fusion in Ewing sarcoma as novel therapy. Expert Opin Ther Targets 2014; 18:1315-28. [PMID: 25162919 DOI: 10.1517/14728222.2014.947963] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Ewing sarcoma (ES) represents the paradigm of an aberrant E-twenty-six (ETS) oncogene-driven cancer. It is characterized by specific rearrangements of one of five alternative ETS family member genes with EWSR1. There is experimental evidence that the resulting fusion proteins act as aberrant transcription factors driving ES pathogenesis. The transcriptional gene regulatory network driven by EWS-ETS proteins provides the oncogenic engine to the tumor. Therefore, EWS-ETS and their downstream machinery are considered ideal tumor-specific therapeutic targets. AREAS COVERED This review critically discusses the literature on the development of EWS-ETS-directed ES targeting strategies considering current knowledge of EWS-ETS biology and cellular context. It focuses on determinants of EWS-FLI1 function with an emphasis on interactions with chromatin structure. We speculate about the relevance of poorly investigated aspects in ES research such as chromatin remodeling and DNA damage repair for the development of targeted therapies. EXPERT OPINION This review questions the specificity of signature-based screening approaches to the identification of EWS-FLI1-targeted compounds. It challenges the view that targeting the downstream gene regulatory network carries potential for therapeutic breakthroughs because of resistance-inducing network rewiring. Instead, we propose to combine targeting of the fusion protein with epigenetic therapy as a future treatment strategy in ES.
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Affiliation(s)
- Heinrich Kovar
- Children´s Cancer Research Institute, St. Anna Kinderkrebsforschung, and Medical University Vienna, Department of Pediatrics , Zimmermannplatz 10, A1090 Vienna , Austria +43 1 40470 4092 ; +43 1 40470 64092 ;
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Fleuren EDG, Versleijen-Jonkers YMH, Boerman OC, van der Graaf WTA. Targeting receptor tyrosine kinases in osteosarcoma and Ewing sarcoma: current hurdles and future perspectives. Biochim Biophys Acta Rev Cancer 2014; 1845:266-76. [PMID: 24582852 DOI: 10.1016/j.bbcan.2014.02.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2013] [Revised: 02/20/2014] [Accepted: 02/22/2014] [Indexed: 12/26/2022]
Abstract
Osteosarcoma (OS) and Ewing sarcoma (ES) are the two most common types of primary bone cancer, which mainly affect children and young adults. Despite intensive multi-modal treatment, the survival of both OS and ES has not improved much during the last decades and new therapeutic options are awaited. One promising approach is the specific targeting of transmembrane receptor tyrosine kinases (RTKs) implicated in these types of bone cancer. However, despite encouraging in vitro and in vivo results, apart from intriguing results of Insulin-like Growth Factor-1 Receptor (IGF-1R) antibodies in ES, clinical studies are limited or disappointing. Primary resistance to RTK inhibitors is frequently observed in OS and ES patients, and even patients that initially respond well eventually develop acquired resistance. There are, however, a few remarks to make concerning the current set-up of clinical trials and about strategies to improve RTK-based treatments in OS and ES. This review provides an overview concerning current RTK-mediated therapies in OS and ES and discusses the problems observed in the clinic. More importantly, we describe several strategies to overcome resistance to RTK inhibitors which may significantly improve outcome of OS and ES patients.
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Affiliation(s)
- Emmy D G Fleuren
- Department of Medical Oncology, Radboud University Medical Centre, Nijmegen, The Netherlands.
| | | | - Otto C Boerman
- Department of Nuclear Medicine, Radboud University Medical Centre, Nijmegen, The Netherlands
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Chao J, Chow WA, Somlo G. Novel targeted therapies in the treatment of soft-tissue sarcomas. Expert Rev Anticancer Ther 2011; 10:1303-11. [PMID: 20735315 DOI: 10.1586/era.10.100] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Systemic therapy options for sarcomas historically have been limited once these tumors become resistant to traditional cytotoxic chemotherapy. Ongoing preclinical research into their biology and clinical trials based on rational biologic targeting have identified novel therapies. For example, the success of imatinib in gastrointestinal stromal tumor has led to the use of other tyrosine kinase inhibitors in other sarcoma subtypes. Other novel therapies include targeting of the mTOR pathway, and IGF-1 receptor. The heterogeneity of these tumors demands intelligently designed protocols in recognizing efficacy that may be restricted to certain histologic subtypes. This article will cover recent trials of new biologic agents in sarcomas that have exhibited promising activity.
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Affiliation(s)
- Joseph Chao
- Department of Medical Oncology, City of Hope Comprehensive Cancer Center, 1500 East Duarte Road, Duarte, CA 91010, USA.
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Niini T, Lahti L, Michelacci F, Ninomiya S, Hattinger CM, Guled M, Böhling T, Picci P, Serra M, Knuutila S. Array comparative genomic hybridization reveals frequent alterations of G1/S checkpoint genes in undifferentiated pleomorphic sarcoma of bone. Genes Chromosomes Cancer 2011; 50:291-306. [DOI: 10.1002/gcc.20851] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2010] [Accepted: 12/02/2010] [Indexed: 12/13/2022] Open
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Establishment, characterization, and drug sensitivity of a new Ewing sarcoma cell line (SS-ES-1). J Pediatr Hematol Oncol 2010; 32:e331-7. [PMID: 20962673 DOI: 10.1097/mph.0b013e3181ee4d16] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Ewing sarcoma (ES) is one of the most malignant tumors in children and young adults. We present here a new ES cell line, SS-ES-1, established from the left thoracic tumor of a 16-year-old female patient. The SS-ES-1 cells retained genotype, morphology, and growth rate for over 150 passages. Immunocytochemical staining showed the strong immunoreactivity for cytokeratin, epithelial membrane antigen, neurofilament, CD99, P53, Ki-67, platelet-derived growth factor receptor-β, estrogen receptor-α (ER-α), and Bcl-2, but no reactivity for glial fibrillary acidic protein, epidermal growth factor receptor, and HER-2/neu. The presence of the type 1 EWS/FLI-1 fusion transcripts was confirmed by reverse transcriptase-polymerase chain reaction. On the basis of the MTT assay results, GW2974, a dual inhibitor of epidermal growth factor receptor and HER-2/neu, exhibited only a weak cytotoxic response in SS-ES-1 cells. In contrast, tyrphostin A9, a specific inhibitor of platelet-derived growth factor receptor, had a high cytotoxic effect against these cells. Surprisingly, it was found that SS-ES-1 cells displayed a high sensitivity to 4OH-tamoxifen. In conclusion, the SS-ES-1 cell line shows unique cellular properties, which makes it a useful model for studying various aspects of the biology of ES. In addition, the results suggest that ER can be a good therapeutic target for ER + ES.
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Basic fibroblast growth factor in the bone microenvironment enhances cell motility and invasion of Ewing's sarcoma family of tumours by activating the FGFR1-PI3K-Rac1 pathway. Br J Cancer 2010; 103:370-81. [PMID: 20606682 PMCID: PMC2920026 DOI: 10.1038/sj.bjc.6605775] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Background: Ewing's sarcoma family of tumours (ESFT) is a malignant small round-cell tumour of the bone and soft tissues. It is characterised by a strong tendency to invade and form metastases. The microenvironment of the bone marrow is a large repository for many growth factors, including the basic fibroblast growth factor (bFGF). However, the role of bFGF in the invasive and metastatic phenotype of ESFT has not been investigated. Methods: The motility and invasion of ESFT cells were assessed by a wound-healing assay, chemotaxis assay, and invasion assay. The expression and activation of FGF receptors (FGFRs) in ESFT cell lines and clinical samples were detected by RT–PCR, western blotting, and immunohistochemistry. The morphology of ESFT cells was investigated by phase-contrast microscopy and fluorescence staining for actin. Activation of Rac1 was analysed by a pull-down assay. Results: bFGF strongly induced the motility and invasion of ESFT cells. Furthermore, FGFR1 was found to be expressed and activated in clinical samples of ESFT. Basic FGF-induced cell motility was mediated through the FGFR1–phosphatidylinositol 3-kinase (PI3K)–Rac1 pathway. Conditioned medium from bone marrow stromal cells induced the motility of ESFT cells by activating bFGF/FGFR1 signalling. Conclusion: The bFGF–FGFR1–PI3K–Rac1 pathway in the bone microenvironment may have a significant role in the invasion and metastasis of ESFT.
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Susa M, Milane L, Amiji MM, Hornicek FJ, Duan Z. Nanoparticles: A Promising Modality in the Treatment of Sarcomas. Pharm Res 2010; 28:260-72. [DOI: 10.1007/s11095-010-0173-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2010] [Accepted: 05/13/2010] [Indexed: 12/27/2022]
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Abstract
Development of chemotherapeutic treatment modalities resulted in a dramatic increase in the survival of children with many types of cancer. Still, in case of some pediatric cancer entities including rhabdomyosarcoma, osteosarcoma and Ewing's sarcoma, survival of patients remains dismal and novel treatment approaches are urgently needed. Therefore, based on the concept of targeted therapy, numerous potential targets for the treatment of these cancers have been evaluated pre-clinically or in some cases even clinically during the last decade. This review gives an overview over many different potential therapeutic targets for treatment of these childhood sarcomas, including receptor tyrosine kinases, intracellular signaling molecules, cell cycle and apoptosis regulators, proteasome, hsp90, histone deacetylases, angiogenesis regulators and sarcoma specific fusion proteins. The large number of potential therapeutic targets suggests that improved comparability of pre-clinical models might be necessary to prioritize the most effective ones for future clinical trials.
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Affiliation(s)
- Marco Wachtel
- University Children's Hospital, Department of Oncology, Zürich, Switzerland
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Ikeda AK, Judelson DR, Federman N, Glaser KB, Landaw EM, Denny CT, Sakamoto KM. ABT-869 inhibits the proliferation of Ewing Sarcoma cells and suppresses platelet-derived growth factor receptor beta and c-KIT signaling pathways. Mol Cancer Ther 2010; 9:653-60. [PMID: 20197394 DOI: 10.1158/1535-7163.mct-09-0812] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The Ewing Sarcoma (EWS) family of tumors is one of the most common tumors diagnosed in children and adolescents and is characterized by a translocation involving the EWS gene. Despite advances in chemotherapy, the prognosis of metastatic EWS is poor with an overall survival of <30% after 5 years. EWS tumor cells express the receptor tyrosine kinases, platelet-derived growth factor receptor (PDGFR) and c-KIT. ABT-869 is a multitargeted small-molecule inhibitor that targets Fms-like tyrosine kinase-3, c-KIT, vascular endothelial growth receptors, and PDGFRs. To determine the potential therapeutic benefit of ABT-869 in EWS cells, we examined the effects of ABT-869 on EWS cell lines and xenograft mouse models. ABT-869 inhibited the proliferation of two EWS cell lines, A4573 and TC71, at an IC(50) of 1.25 and 2 mumol/L after 72 h of treatment, respectively. The phosphorylation of PDGFRbeta, c-KIT, and extracellular signal-regulated kinases was also inhibited. To examine the effects of ABT-869 in vivo, the drug was given to mice injected with EWS cells. We observed inhibition of growth of EWS tumor cells in a xenograft mouse model and prolonged survival in a metastatic mouse model of EWS. Therefore, our in vitro and in vivo studies show that ABT-869 inhibits proliferation of EWS cells through inhibition of PDGFRbeta and c-KIT pathways.
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Affiliation(s)
- Alan K Ikeda
- Division of Hematology/Oncology, Department of Pediatrics, Gwynne Hazen Cherry Memorial Laboratories, Jonsson Comprehensive Cancer Center, David Geffen School of Medicine at the University of California at Los Angeles, Los Angeles, California 90095-1752, USA
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Niini T, López-Guerrero JA, Ninomiya S, Guled M, Hattinger CM, Michelacci F, Böhling T, Llombart-Bosch A, Picci P, Serra M, Knuutila S. Frequent deletion ofCDKN2Aand recurrent coamplification ofKIT,PDGFRA, andKDRin fibrosarcoma of bone-An array comparative genomic hybridization study. Genes Chromosomes Cancer 2009; 49:132-43. [DOI: 10.1002/gcc.20727] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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Wong NACS, Melegh Z. Antigen retrieval and primary antibody type affect sensitivity but not specificity of CD117 immunohistochemistry. Histopathology 2009; 54:529-38. [DOI: 10.1111/j.1365-2559.2009.03272.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Ordóñez JL, Martins AS, Osuna D, Madoz–Gúrpide J, de Alava E. Targeting sarcomas: therapeutic targets and their rational. Semin Diagn Pathol 2008; 25:304-16. [DOI: 10.1053/j.semdp.2008.07.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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