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Yang Y, Yu Y, Fan Y, Li H. Evolving treatment landscape in thymic epithelial tumors: From mechanism to therapy. Biochim Biophys Acta Rev Cancer 2024; 1879:189145. [PMID: 38942215 DOI: 10.1016/j.bbcan.2024.189145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 06/19/2024] [Accepted: 06/23/2024] [Indexed: 06/30/2024]
Abstract
Thymic epithelial tumors (TETs) are rare neoplasms of the anterior mediastinum that arise from thymic epithelial cells. Although surgery is the preferred treatment for resectable TETs, the options for unresectable or recurrent advanced-stage TETs are limited beyond platinum-based chemotherapy. The evolving landscape of TET treatments is marked by significant advancements in targeted therapies and immunotherapies, particularly with anti-angiogenic agents and immune checkpoint inhibitors (ICIs). While monotherapies demonstrated certain efficacy, the development of combination strategies is vital for improving patient outcomes. This review consolidates progress in anti-angiogenic therapies and ICIs, emphasizing the evolution of combination therapies of TETs. Furtherly, we particularly discuss new first-line strategies based on these advancements and emphasizes exploring novel treatments like antibody-drug conjugates, immunomodulatory drugs and cytokine-based agents for TETs. Mechanistically, the molecular features of TETs integrated with clinical diagnosis and targeted therapy, and immunophenotyping of TETs along with its impact on the efficacy and safety of immunotherapy are discussed. Thus, this review systemizes the development in the treatment landscape of TETs, integrating the corresponding molecular and immune mechanisms, aiming to provide new references for the treatment of TETs.
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Affiliation(s)
- Yehao Yang
- Department of Thoracic Medical Oncology, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, China
| | - Ying Yu
- Department of Thoracic Medical Oncology, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, China
| | - Yun Fan
- Department of Thoracic Medical Oncology, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, China.
| | - Hui Li
- Department of Thoracic Medical Oncology, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, China.
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Wichaiyo S, Svasti S, Maiuthed A, Rukthong P, Goli AS, Morales NP. Dasatinib Ointment Promotes Healing of Murine Excisional Skin Wound. ACS Pharmacol Transl Sci 2023; 6:1015-1027. [PMID: 37470022 PMCID: PMC10353058 DOI: 10.1021/acsptsci.2c00245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Indexed: 07/21/2023]
Abstract
Dasatinib, a tyrosine kinase inhibitor, has been shown to produce anti-inflammatory activity and impair vascular integrity in vivo, including during skin wound healing, potentially promoting the repair process. Given that dasatinib is a lipophilic small molecule capable of penetrating skin, topical dasatinib might provide benefits in wound healing. In the present study, we investigated the impact of dasatinib ointments in skin wound healing in mice. A full thickness excisional skin wound (4 mm diameter) was generated on the shaved dorsum of eight-week-old C57BL/6 mice. Dasatinib ointment (0.1 or 0.2% w/w) or ointment base was applied twice daily (every 12 h) for 10 days. Elizabethan collars were used to prevent animal licking. The wound size was monitored daily for 14 days. The results showed that dasatinib ointments, particularly 0.1% dasatinib, promoted a 16-23% reduction in wound size (p < 0.05) during day 2 to day 6 postinjury compared to controls. Immunohistochemistry analyses demonstrated a reduction in wound neutrophils (38% reduction, p = 0.04), macrophages (47% reduction, p = 0.005), and tumor necrosis factor-α levels (73% reduction, p < 0.01), together with an induction of vascular leakage-mediated fibrin(ogen) accumulation (2.5-fold increase, p < 0.01) in the wound during day 3 postinjury (an early phase of repair) in 0.1% dasatinib-treated mice relative to control mice. The anti-inflammatory and vascular hyperpermeability activities of dasatinib were associated with an enhanced healing process, including increased keratinocyte proliferation (1.8-fold increase in Ki67+ cells, p < 0.05) and augmented angiogenesis (1.7-fold increase in CD31+ area, p < 0.05), compared to the ointment base-treated group. Following treatment with 0.2% dasatinib ointment, minor wound bleeding and scab reformation were observed during the late phase, which contributed to delayed healing. In conclusion, our data suggest that dasatinib ointment, mainly at 0.1%, promotes the repair process by reducing inflammation and producing a local and temporal vascular leakage, leading to an increase in fibrin(ogen) deposition, re-epithelialization, and angiogenesis. Therefore, topical dasatinib might be a potential novel candidate to facilitate skin wound healing.
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Affiliation(s)
- Surasak Wichaiyo
- Department
of Pharmacology, Faculty of Pharmacy, Mahidol
University, Bangkok 10400, Thailand
- Centre
of Biopharmaceutical Science for Healthy Ageing, Faculty of Pharmacy, Mahidol University, Bangkok 10400, Thailand
| | - Saovaros Svasti
- Thalassemia
Research Center, Institute of Molecular Biosciences, Mahidol University, Nakhon
Pathom 73170, Thailand
- Department
of Biochemistry, Faculty of Science, Mahidol
University, Bangkok 10400, Thailand
| | - Arnatchai Maiuthed
- Department
of Pharmacology, Faculty of Pharmacy, Mahidol
University, Bangkok 10400, Thailand
- Centre
of Biopharmaceutical Science for Healthy Ageing, Faculty of Pharmacy, Mahidol University, Bangkok 10400, Thailand
| | - Pattarawit Rukthong
- Department
of Pharmaceutical Technology, Faculty of Pharmacy, Srinakharinwirot University, Nakhonnayok 26120, Thailand
| | - Arman Syah Goli
- Department
of Pharmacology, Faculty of Pharmacy, Mahidol
University, Bangkok 10400, Thailand
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Poh AR, Ernst M. Functional roles of SRC signaling in pancreatic cancer: Recent insights provide novel therapeutic opportunities. Oncogene 2023:10.1038/s41388-023-02701-x. [PMID: 37120696 DOI: 10.1038/s41388-023-02701-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Accepted: 04/19/2023] [Indexed: 05/01/2023]
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is an aggressive malignant disease with a 5-year survival rate of <10%. Aberrant activation or elevated expression of the tyrosine kinase c-SRC (SRC) is frequently observed in PDAC and is associated with a poor prognosis. Preclinical studies have revealed a multifaceted role for SRC activation in PDAC, including promoting chronic inflammation, tumor cell proliferation and survival, cancer cell stemness, desmoplasia, hypoxia, angiogenesis, invasion, metastasis, and drug resistance. Strategies to inhibit SRC signaling include suppressing its catalytic activity, inhibiting protein stability, or by interfering with signaling components of the SRC signaling pathway including suppressing protein interactions of SRC. In this review, we discuss the molecular and immunological mechanisms by which aberrant SRC activity promotes PDAC tumorigenesis. We also provide a comprehensive update of SRC inhibitors in the clinic, and discuss the clinical challenges associated with targeting SRC in pancreatic cancer.
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Affiliation(s)
- Ashleigh R Poh
- Olivia Newton-John Cancer Research Institute and La Trobe University School of Cancer Medicine, Melbourne, VIC, 3084, Australia.
| | - Matthias Ernst
- Olivia Newton-John Cancer Research Institute and La Trobe University School of Cancer Medicine, Melbourne, VIC, 3084, Australia.
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He S, Bian J, Shao Q, Zhang Y, Hao X, Luo X, Feng Y, Huang L. Therapeutic Drug Monitoring and Individualized Medicine of Dasatinib: Focus on Clinical Pharmacokinetics and Pharmacodynamics. Front Pharmacol 2021; 12:797881. [PMID: 34938198 PMCID: PMC8685414 DOI: 10.3389/fphar.2021.797881] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 11/11/2021] [Indexed: 11/13/2022] Open
Abstract
Dasatinib is an oral second-generation tyrosine kinase inhibitor known to be used widely in Philadelphia chromosome-positive (Ph+) chronic myeloid leukemia (CML) and Ph+ acute lymphoblastic leukemia (ALL). Notably, although a high pharmacokinetic variability in patients and an increased risk of pleural effusion are attendant, fixed dosing remains standard practice. Retrospective studies have suggested that dasatinib exposure may be associated with treatment response (efficacy/safety). Therapeutic drug monitoring (TDM) is gradually becoming a practical tool to achieve the goal of individualized medicine for patients receiving targeted drugs. With the help of TDM, these patients who maintain response while have minimum adverse events may achieve long-term survival. This review summaries current knowledge of the clinical pharmacokinetics variation, exposure-response relationships and analytical method for individualized dosing of dasatinib, in particular with respect to therapeutic drug monitoring. In addition, it highlights the emerging insights into several controversial issues in TDM of dasatinib, with the aim of presenting up-to-date evidence for clinical decision-making and insights for future studies.
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Affiliation(s)
- Shiyu He
- Department of Pharmacy, People’s Hospital of Peking University, Beijing, China
- Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Jialu Bian
- Department of Pharmacy, People’s Hospital of Peking University, Beijing, China
- Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Qianhang Shao
- Department of Pharmacy, People’s Hospital of Peking University, Beijing, China
| | - Ying Zhang
- Department of Pharmacy, People’s Hospital of Peking University, Beijing, China
| | - Xu Hao
- Department of Pharmacy, People’s Hospital of Peking University, Beijing, China
| | - Xingxian Luo
- School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
| | - Yufei Feng
- Department of Pharmacy, People’s Hospital of Peking University, Beijing, China
| | - Lin Huang
- Department of Pharmacy, People’s Hospital of Peking University, Beijing, China
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McKnight BN, Kim S, Boerner JL, Viola NT. Cetuximab PET delineated changes in cellular distribution of EGFR upon dasatinib treatment in triple negative breast cancer. Breast Cancer Res 2020; 22:37. [PMID: 32295603 PMCID: PMC7160960 DOI: 10.1186/s13058-020-01270-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 03/25/2020] [Indexed: 12/12/2022] Open
Abstract
Background At least 50% of triple negative breast cancer (TNBC) overexpress the epidermal growth factor receptor, EGFR, which paved the way for clinical trials investigating its blockade. Outcomes remained dismal stemming from mechanisms of resistance particularly the nuclear cycling of EGFR, which is enhanced by Src activation. Attenuation of Src reversed nuclear translocation, restoring EGFR to the cell surface. Herein, we hypothesize that changes in cellular distribution of EGFR upon Src inhibition with dasatinib can be annotated through the EGFR immunopositron emission tomography (immunoPET) radiotracer, [89Zr]Zr-cetuximab. Methods Nuclear and non-nuclear EGFR levels of dasatinib-treated vs. untreated MDA-MB-231 and MDA-MB-468 cells were analyzed via immunoblots. Both treated and untreated cells were exposed to [89Zr]Zr-cetuximab to assess binding at 4 °C and 37 °C. EGFR-positive MDA-MB-231, MDA-MB-468, and a patient-derived xenograft were treated with dasatinib or vehicle followed by cetuximab PET imaging to compare EGFR levels. After imaging, the treated mice were separated into two groups: one cohort continued with dasatinib with the addition of cetuximab while the other cohort received dasatinib alone. Correlations between the radiotracer uptake vs. changes in tumor growth and EGFR expression from immunoblots were analyzed. Results Treated cells displayed higher binding of [89Zr]Zr-cetuximab to the cell membrane at 4 °C and with greater internalized activity at 37 °C vs. untreated cells. In all tumor models, higher accumulation of the radiotracer in dasatinib-treated groups was observed compared to untreated tumors. Treated tumors displayed significantly decreased pSrc (Y416) with retained total Src levels compared to control. In MDA-MB-468 and PDX tumors, the analysis of cetuximab PET vs. changes in tumor volume showed an inverse relationship where high tracer uptake in the tumor demonstrated minimal tumor volume progression. Furthermore, combined cetuximab and dasatinib treatment showed better tumor regression compared to control and dasatinib-only-treated groups. No benefit was achieved in MDA-MB-231 xenografts with the addition of cetuximab, likely due to its KRAS-mutated status. Conclusions Cetuximab PET can monitor effects of dasatinib on EGFR cellular distribution and potentially inform treatment response in wild-type KRAS TNBC.
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Affiliation(s)
- Brooke N McKnight
- Department of Oncology, Karmanos Cancer Institute Wayne State University, 4100 John R Street, Detroit, MI, 48201, USA
| | - Seongho Kim
- Department of Oncology, Biostatistics Core, Karmanos Cancer Institute Wayne State University, Detroit, MI, 48201, USA
| | - Julie L Boerner
- Department of Oncology, Karmanos Cancer Institute Wayne State University, 4100 John R Street, Detroit, MI, 48201, USA
| | - Nerissa T Viola
- Department of Oncology, Karmanos Cancer Institute Wayne State University, 4100 John R Street, Detroit, MI, 48201, USA.
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Schubert C, Chatain N, Braunschweig T, Schemionek M, Feldberg K, Hoffmann M, Dufva O, Mustjoki S, Brümmendorf TH, Koschmieder S. The SCLtTAxBCR-ABL transgenic mouse model closely reflects the differential effects of dasatinib on normal and malignant hematopoiesis in chronic phase-CML patients. Oncotarget 2018; 8:34736-34749. [PMID: 28423730 PMCID: PMC5471007 DOI: 10.18632/oncotarget.16152] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Accepted: 02/12/2017] [Indexed: 12/19/2022] Open
Abstract
The second generation tyrosine kinase inhibitor (TKI) dasatinib is a clinically approved drug for chronic myeloid leukemia (CML) as well as Ph+ acute lymphoblastic leukemia. In addition to its antileukemic effects, dasatinib was shown to impact on normal hematopoiesis and cells of the immune system.Due to the fact that the murine in vivo studies so far have not been performed in a chronic-phase CML model under steady-state conditions, our aim was to study the hematopoietic effects of dasatinib (20 mg/kg p.o.) in BCR-ABL expressing SCLtTAxBCR-ABL double transgenic (dtg) mice. Dasatinib robustly antagonized the CML phenotype in vivo in our transgenic mouse model, and this effect included both mature and immature cell populations. However, similar to patients with CML, the fraction of LinnegSca-1+KIT+CD48negCD150+ hematopoietic stem cells was not reduced by dasatinib treatment, suggesting that these cells are not oncogene-addicted. Moreover, we observed differential effects of dasatinib in these animals as compared to wild-type (wt) animals: while granulocytes were significantly reduced in dtg animals, they were increased in wt mice. And Ter119+ erythrocytic and B220+ B cells were increased in dtg mice but decreased in wt mice. Finally, while dasatinib induced a shift from CD49b/NK1.1 positive NK cells from the bone marrow to the spleen in wt animals, there was no change in dtg mice. In conclusion, the present mouse model provides a useful tool to study mechanisms of TKI resistance and dasatinib-associated beneficial effects and adverse events.
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Affiliation(s)
- Claudia Schubert
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, Aachen, Germany
| | - Nicolas Chatain
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, Aachen, Germany
| | - Till Braunschweig
- Institute of Pathology, Faculty of Medicine, RWTH Aachen University, Aachen, Germany
| | - Mirle Schemionek
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, Aachen, Germany
| | - Kristina Feldberg
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, Aachen, Germany
| | - Melanie Hoffmann
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, Aachen, Germany
| | - Olli Dufva
- Hematology Research Unit Helsinki, Department of Clinical Chemistry and Hematology, University of Helsinki and Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland
| | - Satu Mustjoki
- Hematology Research Unit Helsinki, Department of Clinical Chemistry and Hematology, University of Helsinki and Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland
| | - Tim H Brümmendorf
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, Aachen, Germany
| | - Steffen Koschmieder
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, Aachen, Germany
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Tsao AS, Lin H, Carter BW, Lee JJ, Rice D, Vaporcyan A, Swisher S, Mehran R, Heymach J, Nilsson M, Fan Y, Nunez M, Diao L, Wang J, Fujimoto J, Wistuba II, Hong WK. Biomarker-Integrated Neoadjuvant Dasatinib Trial in Resectable Malignant Pleural Mesothelioma. J Thorac Oncol 2017; 13:246-257. [PMID: 29313814 DOI: 10.1016/j.jtho.2017.10.033] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 10/24/2017] [Accepted: 10/30/2017] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Window of opportunity trials in malignant pleural mesothelioma (MPM) are challenging but can yield important translational information about a novel agent. METHODS We treated patients with MPM (N = 24) with 4 weeks of oral dasatinib followed by surgery with or without radiotherapy and then an optional 2 years of maintenance dasatinib. The primary end point was biomarker modulation of phosphorylated (p) SrcTyr419. RESULTS For all patients, the median progression-free survival (PFS) was 7.5 months and the median overall survival was 19.1 months. No significant responses were seen after 4 weeks of dasatinib therapy; however, modulation of median p-SrcTyr419 immunohistochemistry (IHC) scores was seen: the median pretreatment score was 70 (interquartile range 37.5-110), and the median posttreatment score was 41.9 (interquartile range 4.2-60) (p = 0.004). A decrease in p-SrcTyr419 levels after dasatinib correlated with improved median PFS (6.9 months versus 0.94 months [p = 0.03]), suggesting that p-SrcTyr419 is a viable pharmacodynamic biomarker for dasatinib in MPM. Platelet-derived growth factor receptor (PDGFR) pathway analysis correlated high PDGFR beta [PDGFRB) level (in the cytoplasm [hazard ratio] (HR) = 2.54, p = 0.05], stroma [HR = 2.79, p = 0.03], and nucleus [HR = 6.79, p = 0.023]) with a shorter PFS. Low (less than the median) cytoplasmic p-PDGFR alpha IHC levels were predictive of a decrease in positron emission tomography/computed tomography standard uptake values levels after dasatinib therapy (p = 0.04), whereas higher-than-median IHC scores of PDGFRB (cytoplasmic [HR = 2.8, p = 0.03] and nuclear [HR = 6.795, p = 0.02]) were correlated with rising standard uptake values levels. CONCLUSIONS In conclusion, there was no significant efficacy signal, and dasatinib monotherapy will not continue to be studied in MPM. However, our study demonstrated that PDGFR subtypes (platelet-derived growth factor receptor alpha and PDGFRB) may have differential roles in prognosis and resistance to antiangiogenic tyrosine kinase inhibitors and are important potential therapeutic targets that require further investigation.
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Affiliation(s)
- Anne S Tsao
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, Texas.
| | - Heather Lin
- Department of Biostatistics, The University of Texas M. D. Anderson Cancer Center, Houston, Texas
| | - Brett W Carter
- Department of Diagnostic Radiology Thoracic Imaging, The University of Texas M. D. Anderson Cancer Center, Houston, Texas
| | - J Jack Lee
- Department of Biostatistics, The University of Texas M. D. Anderson Cancer Center, Houston, Texas
| | - David Rice
- Department of Thoracic and Cardiovascular Surgery, The University of Texas M. D. Anderson Cancer Center, Houston, Texas
| | - Ara Vaporcyan
- Department of Thoracic and Cardiovascular Surgery, The University of Texas M. D. Anderson Cancer Center, Houston, Texas
| | - Steven Swisher
- Department of Thoracic and Cardiovascular Surgery, The University of Texas M. D. Anderson Cancer Center, Houston, Texas
| | - Reza Mehran
- Department of Thoracic and Cardiovascular Surgery, The University of Texas M. D. Anderson Cancer Center, Houston, Texas
| | - John Heymach
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, Texas
| | - Monique Nilsson
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, Texas
| | - Youhong Fan
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, Texas
| | - Maria Nunez
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, Texas
| | - Lixia Diao
- Department of Bioinformatics and Computational Biology, The University of Texas M. D. Anderson Cancer Center, Houston, Texas
| | - Jing Wang
- Department of Bioinformatics and Computational Biology, The University of Texas M. D. Anderson Cancer Center, Houston, Texas
| | - Junya Fujimoto
- Department of Translational Molecular Pathology, The University of Texas M. D. Anderson Cancer Center, Houston, Texas
| | - Ignacio I Wistuba
- Department of Translational Molecular Pathology, The University of Texas M. D. Anderson Cancer Center, Houston, Texas
| | - Waun Ki Hong
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, Texas
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de la Puente P, Azab F, Muz B, Luderer M, Arbiser J, Azab AK. Tris DBA palladium overcomes hypoxia-mediated drug resistance in multiple myeloma. Leuk Lymphoma 2015; 57:1677-86. [PMID: 26421357 DOI: 10.3109/10428194.2015.1099645] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Despite recent progress in novel and targeted therapies, multiple myeloma (MM) remains a therapeutically challenging incurable disease. The regulation of important cellular processes and its link to cancer presented Src as an attractive target for MM. We suggest a novel strategy to improve the treatment of MM and overcome the drug resistance for the current therapeutic agents by specific inhibition of Src in MM cells by Tris (Dibenzylideneacetone) dipalladium (Tris DBA). Tris DBA reduces proliferation, induces G1 arrest and apoptosis in MM cells. Tris DBA showed additive effect with proteasome inhibitors reducing proliferation, cell cycle signaling, and increasing apoptosis more than each drug alone. Tris DBA overcame hypoxia-induced effects such as enhanced chemotaxis or drug resistance to proteasome inhibitors by inhibition of HIF1α expression. Moreover, we found that Tris DBA is an effective anti-myeloma agent alone or in combination with other targeted drugs and that it reverses hypoxia-induced drug resistance in myeloma.
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Affiliation(s)
- Pilar de la Puente
- a Department of Radiation Oncology , Cancer Biology Division, Washington University in Saint Louis School of Medicine , St. Louis , MO , USA
| | - Feda Azab
- a Department of Radiation Oncology , Cancer Biology Division, Washington University in Saint Louis School of Medicine , St. Louis , MO , USA
| | - Barbara Muz
- a Department of Radiation Oncology , Cancer Biology Division, Washington University in Saint Louis School of Medicine , St. Louis , MO , USA
| | - Micah Luderer
- a Department of Radiation Oncology , Cancer Biology Division, Washington University in Saint Louis School of Medicine , St. Louis , MO , USA
| | - Jack Arbiser
- b Department of Dermatology , Emory University School of Medicine , Atlanta , GA , USA.,c Atlanta Veterans Administration Health Center , Atlanta , GA , USA
| | - Abdel Kareem Azab
- a Department of Radiation Oncology , Cancer Biology Division, Washington University in Saint Louis School of Medicine , St. Louis , MO , USA
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Dasatinib (BMS-35482) interacts synergistically with docetaxel, gemcitabine, topotecan, and doxorubicin in ovarian cancer cells with high SRC pathway activation and protein expression. Int J Gynecol Cancer 2014; 24:218-25. [PMID: 24407585 DOI: 10.1097/igc.0000000000000056] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
PURPOSE This study aimed to explore the activity of dasatinib in combination with docetaxel, gemcitabine, topotecan, and doxorubicin in ovarian cancer cells. METHODS Cells with previously determined SRC pathway and protein expression (SRC pathway/SRC protein IGROV1, both high; SKOV3, both low) were treated with dasatinib in combination with the cytotoxic agents. SRC and paxillin protein expression were determined pretreatment and posttreatment. Dose-response curves were constructed, and the combination index (CI) for drug interaction was calculated. RESULTS In the IGROV1 cells, dasatinib alone reduced phospho-SRC/total SRC 71% and p-paxillin/t-paxillin ratios 77%. Phospho-SRC (3%-33%; P = 0.002 to 0.04) and p-paxicillin (6%-19%; P = 0.01 to 0.05) levels were significantly reduced with dasatinib in combination with each cytotoxic agent. The combination of dasatinib and docetaxel, gemcitabine, or topotecan had a synergistic antiproliferative effect (CI, 0.49-0.68), whereas dasatinib combined with doxorubicin had an additive effect (CI, 1.08).In SKOV3 cells, dasatinib resulted in less pronounced reductions of phospho-SRC/total SRC (49%) and p-paxillin/t-paxillin (62%). Phospho-SRC (18%; P < 0.001) and p-paxillin levels (18%; P = 0.001; 9%; P = 0.007) were significantly decreased when dasatinib was combined with docetaxel and topotecan (p-paxillin only). Furthermore, dasatinib combined with the cytotoxics in the SKOV3 cells produced an antagonistic interaction on the proliferation of these cells (CI, 1.49-2.27). CONCLUSIONS Dasatinib in combination with relapse chemotherapeutic agents seems to interact in a synergistic or additive manner in cells with high SRC pathway activation and protein expression. Further evaluation of dasatinib in combination with chemotherapy in ovarian cancer animal models and exploration of the use of biomarkers to direct therapy are warranted.
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Lopez-Acevedo M, Grace L, Teoh D, Whitaker R, Adams DJ, Jia J, Nixon AB, Secord AA. Dasatinib (BMS-35482) potentiates the activity of gemcitabine and docetaxel in uterine leiomyosarcoma cell lines. GYNECOLOGIC ONCOLOGY RESEARCH AND PRACTICE 2014; 1:2. [PMID: 27231555 PMCID: PMC4877815 DOI: 10.1186/2053-6844-1-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2014] [Accepted: 07/02/2014] [Indexed: 11/10/2022]
Abstract
BACKGROUND To explore the activity of dasatinib alone and in combination with gemcitabine and docetaxel in uterine leiomyosarcoma (uLMS) cell lines, and determine if dasatinib inhibits the SRC pathway. METHODS SK-UT-1 and SK-UT-1B uLMS cells were treated with gemcitabine, docetaxel and dasatinib individually and in combination. SRC and paxcillin protein expression were determined pre- and post-dasatinib treatment using Meso Scale Discovery (MSD) multi-array immunogenicity assay. Dose-response curves were constructed and the coefficient of drug interaction (CDI) and combination index (CI) for drug interaction calculated. RESULTS Activated phosphorylated levels of SRC and paxillin were decreased after treatment with dasatinib in both cell lines (p < 0.001). The addition of a minimally active concentration of dasatinib (IC25) decreased the IC50 of each cytotoxic agent by 2-4 fold. The combination of gemcitabine-docetaxel yielded a synergistic effect in SK-UT-1 (CI = 0.59) and an antagonistic effect in SK-UT-1B (CI = 1.36). Dasatinib combined with gemcitabine or docetaxel revealed a synergistic anti-tumor effect (CDI < 1) in both cell lines. The triple drug combination and sequencing revealed conflicting results with a synergistic effect in SK-UT-1B and antagonistic in SK-UT-1. CONCLUSION Dasatinib inhibits the SRC pathway and yields a synergistic effect with the two-drug combination with either gemcitabine or docetaxel. The value of adding dasatinib to gemcitabine and docetaxel in a triple drug combination is uncertain, but may be beneficial in select uLMS cell lines. Based on our pre-clinical data and known activity of gemcitabine and docetaxel, further evaluation of dasatinib in combination with these agents for the treatment of uLMS is warranted.
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Affiliation(s)
- Micael Lopez-Acevedo
- />Division of Gynecologic Oncology, Duke Cancer Institute, Durham, NC 27710 USA
- />DUMC 3079, Gynecologic Oncology, Duke University Medical Center, Durham, NC 27710 USA
| | - Lisa Grace
- />Division of Gynecologic Oncology, Duke Cancer Institute, Durham, NC 27710 USA
| | - Deanna Teoh
- />Division of Gynecologic Oncology, University of Minnesota, Minneapolis, MN 55455 USA
| | - Regina Whitaker
- />Division of Gynecologic Oncology, Duke Cancer Institute, Durham, NC 27710 USA
| | - David J Adams
- />Department of Medicine, Duke University Medical Center, Durham, NC 27710 USA
| | - Jingquan Jia
- />East Carolina University School of Medicine, Greenville, NC 27834 USA
| | - Andrew B Nixon
- />Department of Medicine, Duke University Medical Center, Durham, NC 27710 USA
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11
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Gardner LA, Klawitter J, Gregory MA, Zaberezhnyy V, Baturin D, Pollyea DA, Takebe N, Christians U, Gore L, DeGregori J, Porter CC. Inhibition of calcineurin combined with dasatinib has direct and indirect anti-leukemia effects against BCR-ABL1(+) leukemia. Am J Hematol 2014; 89:896-903. [PMID: 24891015 DOI: 10.1002/ajh.23776] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Revised: 05/27/2014] [Accepted: 05/28/2014] [Indexed: 12/16/2022]
Abstract
Treatment of BCR-ABL1(+) leukemia has been revolutionized with the development of tyrosine kinase inhibitors. However, patients with BCR-ABL1(+) acute lymphoblastic leukemia and subsets of patients with chronic myeloid leukemia are at high risk of relapse despite kinase inhibition therapy, necessitating novel treatment strategies. We previously reported synthetic lethality in BCR-ABL1(+) leukemia cells by blocking both calcineurin/NFAT signaling and BCR-ABL1, independent of drug efflux inhibition by cyclosporine. Here, using RNA-interference we confirm that calcineurin inhibition sensitizes BCR-ABL1(+) cells to tyrosine kinase inhibition in vitro. However, when we performed pharmacokinetic and pharmacodynamic studies of dasatinib and cyclosporine in mice, we found that co-administration of cyclosporine increases peak concentrations and the area under the curve of dasatinib, which contributes to the enhanced disease control. We also report the clinical experience of two subjects in whom we observed more hematopoietic toxicity than expected while enrolled in a Phase Ib trial designed to assess the safety and tolerability of adding cyclosporine to dasatinib in humans. Thus, the anti-leukemia benefit of co-administration of cyclosporine and dasatinib is mechanistically pleiotropic, but may not be tolerable, at least as administered in this trial. These data highlight some of the challenges associated with combining targeted agents to treat leukemia.
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Affiliation(s)
- Lori A. Gardner
- Department of Pediatrics; University of Colorado School of Medicine; Aurora Colorado
| | - Jelena Klawitter
- Department of Anesthesiology; University of Colorado School of Medicine; Aurora Colorado
| | - Mark A. Gregory
- Department of Biochemistry and Molecular Genetics; University of Colorado School of Medicine; Aurora Colorado
| | - Vadym Zaberezhnyy
- Department of Biochemistry and Molecular Genetics; University of Colorado School of Medicine; Aurora Colorado
| | - Dmitry Baturin
- Department of Pediatrics; University of Colorado School of Medicine; Aurora Colorado
| | - Daniel A. Pollyea
- Investigational Drug Branch; Cancer Therapy Evaluation Program, National Cancer Institute; Rockville Maryland
| | - Naoko Takebe
- Investigational Drug Branch; Cancer Therapy Evaluation Program, National Cancer Institute; Rockville Maryland
| | - Uwe Christians
- Department of Anesthesiology; University of Colorado School of Medicine; Aurora Colorado
| | - Lia Gore
- Department of Pediatrics; University of Colorado School of Medicine; Aurora Colorado
- Department of Medicine; University of Colorado School of Medicine; Aurora Colorado
| | - James DeGregori
- Department of Pediatrics; University of Colorado School of Medicine; Aurora Colorado
- Department of Biochemistry and Molecular Genetics; University of Colorado School of Medicine; Aurora Colorado
- Department of Immunology; University of Colorado School of Medicine; Aurora Colorado
| | - Christopher C. Porter
- Department of Pediatrics; University of Colorado School of Medicine; Aurora Colorado
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12
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Baro M, de Llobet LI, Figueras A, Skvortsova I, Mesia R, Balart J. Dasatinib worsens the effect of cetuximab in combination with fractionated radiotherapy in FaDu- and A431-derived xenografted tumours. Br J Cancer 2014; 111:1310-8. [PMID: 25077442 PMCID: PMC4183853 DOI: 10.1038/bjc.2014.432] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Revised: 06/02/2014] [Accepted: 07/09/2014] [Indexed: 12/24/2022] Open
Abstract
Background: Cetuximab is often combined with radiotherapy in advanced SCCHN. Alternative routes bypassing inhibition of EGFR with cetuximab may overshadow the efficacy of this combination. We undertook this study to investigate a possible role of dasatinib in this scenario. Methods: The SCC5, SCC25, SCC29, FaDu and A431 cell lines were assessed in vitro for cell proliferation under cetuximab and dasatinib treatments. In FaDu and A431 cells, dasatinib plus cetuximab resulted in higher proliferation than cetuximab alone. Then, FaDu and A431 cells were implanted into subcutaneous tissue of athymic mice that were irradiated with 30 Gy in 10 fractions over 2 weeks, and treated with cetuximab and dasatinib. Tumour growth, DNA synthesis and angiogenesis were determined. The EGFR, RAS-GTP activity, phosphorylated AKT, ERK1/2, SRC protein levels and VEGF secretion were determined in vitro. Results: The addition of dasatinib to cetuximab and radiotherapy increased tumour growth, DNA synthesis and angiogenesis that were associated with RAS, AKT and ERK1/2 activation, and SRC inhibition in FaDu and A431 cells. Conclusions: In xenografts derived from these two cell lines, dasatinib did not improve the efficacy of cetuximab combined with radiotherapy. On the contrary, it worsened tumour control achieved by the combination of these two treatments.
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Affiliation(s)
- M Baro
- Laboratory of Translational Research, Catalan Institute of Oncology, Avda. Gran de L'Hospitalet 199-203, 08907 L'Hospitalet de Llobregat, Spain
| | - L I de Llobet
- Laboratory of Translational Research, Catalan Institute of Oncology, Avda. Gran de L'Hospitalet 199-203, 08907 L'Hospitalet de Llobregat, Spain
| | - A Figueras
- Laboratory of Translational Research, Catalan Institute of Oncology, Avda. Gran de L'Hospitalet 199-203, 08907 L'Hospitalet de Llobregat, Spain
| | - I Skvortsova
- Department of Therapeutic Radiology and Oncology, Innsbruck Medical University, Anichstrasse 35, 6020 Innsbruck, Austria
| | - R Mesia
- Department of Medical Oncology, Catalan Institute of Oncology, Avda. Gran de L'Hospitalet 199-203, 08907 L'Hospitalet de Llobregat, Spain
| | - J Balart
- 1] Laboratory of Translational Research, Catalan Institute of Oncology, Avda. Gran de L'Hospitalet 199-203, 08907 L'Hospitalet de Llobregat, Spain [2] Department of Radiation Oncology, Hospital de la Santa Creu i Sant Pau, Sant Antoni Maria Claret 167, 08025 Barcelona, Spain
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13
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Danhier F, Ucakar B, Vanderhaegen ML, Brewster ME, Arien T, Préat V. Nanosuspension for the delivery of a poorly soluble anti-cancer kinase inhibitor. Eur J Pharm Biopharm 2014; 88:252-60. [PMID: 24859391 DOI: 10.1016/j.ejpb.2014.05.014] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2014] [Revised: 04/08/2014] [Accepted: 05/08/2014] [Indexed: 01/27/2023]
Abstract
We hypothesized that nanosuspensions could be promising for the delivery of the poorly water soluble anti-cancer multi-targeted kinase inhibitor, MTKi-327. Hence, the aims of this work were (i) to evaluate the MTKi-327 nanosuspension for parenteral and oral administrations and (ii) to compare this nanosuspension with other nanocarriers in terms of anti-cancer efficacy and pharmacokinetics. Therefore, four formulations of MTKi-327 were studied: (i) PEGylated PLGA-based nanoparticles, (ii) self-assembling PEG₇₅₀-p-(CL-co-TMC) polymeric micelles, (iii) nanosuspensions of MTKi-327; and (iv) Captisol solution (pH=3.5). All the nano-formulations presented a size below 200 nm. Injections of the highest possible dose of the three nano-formulations did not induce any side effects in mice. In contrast, the maximum tolerated dose of the control Captisol solution was 20-fold lower than its highest possible dose. The highest regrowth delay of A-431-tumor-bearing nude mice was obtained with MTKi-327 nanosuspension, administered intravenously, at a dose of 650 mg/kg. After intravenous and oral administration, the AUC₀₋∞ of MTKi-327 nanosuspension was 2.4-fold greater than that of the Captisol solution. Nanosuspension may be considered as an effective anti-cancer MTKi-327 delivery method due to (i) the higher MTKi-327 maximum tolerated dose, (ii) the possible intravenous injection of MTKi-327, (iii) its ability to enhance the administered dose and (iv) its higher efficacy.
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Affiliation(s)
- Fabienne Danhier
- Université Catholique de Louvain, Louvain Drug Research Institute, Pharmaceutics and Drug Delivery, Brussels, Belgium
| | - Bernard Ucakar
- Université Catholique de Louvain, Louvain Drug Research Institute, Pharmaceutics and Drug Delivery, Brussels, Belgium
| | - Marie-Lyse Vanderhaegen
- Université Catholique de Louvain, Louvain Drug Research Institute, Pharmaceutics and Drug Delivery, Brussels, Belgium
| | - Marcus E Brewster
- Johnson and Johnson, Pharmaceutical Research and Development, Division of Janssen Pharmaceutica, Beerse, Belgium
| | - Tina Arien
- Johnson and Johnson, Pharmaceutical Research and Development, Division of Janssen Pharmaceutica, Beerse, Belgium
| | - Véronique Préat
- Université Catholique de Louvain, Louvain Drug Research Institute, Pharmaceutics and Drug Delivery, Brussels, Belgium.
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14
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Fukuda I, Hirabayashi-Ishioka Y, Sakikawa I, Ota T, Yokoyama M, Uchiumi T, Morita A. Optimization of Enrichment Conditions on TiO2 Chromatography Using Glycerol As an Additive Reagent for Effective Phosphoproteomic Analysis. J Proteome Res 2013; 12:5587-97. [DOI: 10.1021/pr400546u] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Isao Fukuda
- Shionogi Pharmaceutical Research Center, Shionogi & Co. Ltd., 3-1-1 Futaba-cho, Toyonaka-shi, Osaka 561-0825, Japan
| | - Yoshino Hirabayashi-Ishioka
- Shionogi Pharmaceutical Research Center, Shionogi & Co. Ltd., 3-1-1 Futaba-cho, Toyonaka-shi, Osaka 561-0825, Japan
| | - Ikue Sakikawa
- Shionogi Pharmaceutical Research Center, Shionogi & Co. Ltd., 3-1-1 Futaba-cho, Toyonaka-shi, Osaka 561-0825, Japan
| | - Takeshi Ota
- Shionogi Pharmaceutical Research Center, Shionogi & Co. Ltd., 3-1-1 Futaba-cho, Toyonaka-shi, Osaka 561-0825, Japan
| | - Mari Yokoyama
- Shionogi Pharmaceutical Research Center, Shionogi & Co. Ltd., 3-1-1 Futaba-cho, Toyonaka-shi, Osaka 561-0825, Japan
| | - Takaoki Uchiumi
- Shionogi Pharmaceutical Research Center, Shionogi & Co. Ltd., 3-1-1 Futaba-cho, Toyonaka-shi, Osaka 561-0825, Japan
| | - Atsushi Morita
- Shionogi Pharmaceutical Research Center, Shionogi & Co. Ltd., 3-1-1 Futaba-cho, Toyonaka-shi, Osaka 561-0825, Japan
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15
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Docetaxel and dasatinib or placebo in men with metastatic castration-resistant prostate cancer (READY): a randomised, double-blind phase 3 trial. Lancet Oncol 2013; 14:1307-16. [PMID: 24211163 DOI: 10.1016/s1470-2045(13)70479-0] [Citation(s) in RCA: 179] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
BACKGROUND Src kinase-mediated interactions between prostate cancer cells and osteoclasts might promote bone metastasis. Dasatinib inhibits tyrosine kinases, including Src kinases. Data suggests that dasatinib kinase inhibition leads to antitumour activity, affects osteoclasts, and has synergy with docetaxel, a first-line chemotherapy for metastatic castration-resistant prostate cancer. We assessed whether dasatinib plus docetaxel in chemotherapy-naive men with metastatic castration-resistant prostate cancer led to greater efficacy than with docetaxel alone. METHODS In this double-blind, randomised, placebo-controlled phase 3 study, we enrolled men of 18 years or older with chemotherapy-naive, metastatic, castration-resistant prostate cancer, and adequate organ function from 186 centres across 25 countries. Eligible patients were randomly assigned (1:1) via an interactive voice response system to receive docetaxel (75 mg/m(2) intravenously every 3 weeks, plus oral prednisone 5 mg twice daily), plus either dasatinib (100 mg orally once daily) or placebo until disease progression or unacceptable toxicity. Randomisation was stratified by Eastern Cooperative Oncology Group performance status (0-1 vs 2), bisphosphonate use (yes vs no), and urinary N-telopeptide (uNTx) value (<60 μmol/mol creatinine vs ≥60 μmol/mol creatinine). All patients, investigators, and personnel involved in study conduct and data analyses were blinded to treatment allocation. The primary endpoint was overall survival, analysed by intention to treat. The trial is registered with ClinicalTrials.gov, number NCT00744497. FINDINGS Between Oct 30, 2008, and April 11, 2011, 1522 eligible patients were randomly assigned to treatment; 762 patients were assigned to dasatinib and 760 to placebo. At final analysis, median follow-up was 19·0 months (IQR 11·2-25·1) and 914 patients had died. Median overall survival was 21·5 months (95% CI 20·3-22·8) in the dasatinib group and 21·2 months (20·0-23·4) in the placebo group (stratified hazard ratio [HR] 0·99, 95·5% CI 0·87-1·13; p=0·90). The most common grade 3-4 adverse events included diarrhoea (58 [8%] patients in the dasatinib group vs 27 [4%] patients in the placebo group), fatigue (62 [8%] vs 42 [6%]), and asthenia (40 [5%] vs 23 [3%]); grade 3-4 pleural effusions were uncommon (ten [1%] vs three [<1%]). INTERPRETATION The addition of dasatinib to docetaxel did not improve overall survival for chemotherapy-naive men with metastatic castration-resistant prostate cancer. This study does not support the combination of dasatinib and docetaxel in this population of patients. FUNDING Bristol-Myers Squibb.
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16
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High-performance liquid chromatographic method for the determination of dasatinib in rabbit plasma using fluorescence detection and its application to a pharmacokinetic study. J Chromatogr B Analyt Technol Biomed Life Sci 2013; 939:73-9. [DOI: 10.1016/j.jchromb.2013.09.012] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2013] [Revised: 09/05/2013] [Accepted: 09/06/2013] [Indexed: 11/23/2022]
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17
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Karim SA, Creedon H, Patel H, Carragher NO, Morton JP, Muller WJ, Evans TR, Gusterson B, Sansom OJ, Brunton VG. Dasatinib inhibits mammary tumour development in a genetically engineered mouse model. J Pathol 2013; 230:430-40. [PMID: 23616343 DOI: 10.1002/path.4202] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2012] [Revised: 04/02/2013] [Accepted: 04/04/2013] [Indexed: 12/14/2022]
Abstract
Src family kinase activity is elevated in a number of human cancers including breast cancer. This increased activity has been associated with aggressive disease and poor prognosis. Src inhibitors are currently in clinical development with a number of trials currently assessing their activity in breast cancer. However, the results to date have been disappointing and a further evaluation of the preclinical effects of Src inhibitors is required to help establish whether these agents will be useful in the treatment of breast cancer. In this study we investigate the effects of dasatinib, which is a potent inhibitor of Src family kinases, on the initiation and development of breast cancer in a genetically engineered model of the disease. The mouse model utilized is driven by expression of activated ErbB-2 under the transcriptional control of its endogenous promoter coupled with conditional loss of Pten under the control of Cre recombinase expressed by the BLG promoter. We show that daily oral administration of dasatinib delays tumour onset and increases overall survival but does not inhibit the proliferation of established tumours. The striking difference between the dasatinib-treated group of tumours and the vehicle controls was the prominent squamous metaplasia that was seen in six out of 11 dasatinib-treated tumours. This was accompanied by a dramatic up-regulation of both E-cadherin and β-catenin and down-regulation of ErbB-2 in the dasatinib-treated tumours. Dasatinib also inhibited both the migration and the invasion of tumour-derived cell lines in vitro. Together these data support the argument that benefits of Src inhibitors may predominate in early or even pre-invasive disease.
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MESH Headings
- Administration, Oral
- Animals
- Antineoplastic Agents/administration & dosage
- Antineoplastic Agents/pharmacology
- Breast Neoplasms/enzymology
- Breast Neoplasms/genetics
- Breast Neoplasms/pathology
- Breast Neoplasms/prevention & control
- Cadherins/genetics
- Cadherins/metabolism
- Cell Differentiation/drug effects
- Cell Line, Tumor
- Cell Movement/drug effects
- Cell Proliferation/drug effects
- Dasatinib
- Dose-Response Relationship, Drug
- Drug Administration Schedule
- Enhancer Elements, Genetic
- Female
- Gene Expression Regulation, Neoplastic
- Genes, erbB-2
- Integrases/genetics
- Integrases/metabolism
- Lactoglobulins/genetics
- Mammary Neoplasms, Experimental/enzymology
- Mammary Neoplasms, Experimental/genetics
- Mammary Neoplasms, Experimental/pathology
- Mammary Neoplasms, Experimental/prevention & control
- Mice
- Mice, Inbred C57BL
- Mice, Knockout
- Mice, Transgenic
- Neoplasm Invasiveness
- PTEN Phosphohydrolase/deficiency
- PTEN Phosphohydrolase/genetics
- Protein Kinase Inhibitors/administration & dosage
- Protein Kinase Inhibitors/pharmacology
- Pyrimidines/administration & dosage
- Pyrimidines/pharmacology
- Signal Transduction/drug effects
- Thiazoles/administration & dosage
- Thiazoles/pharmacology
- Time Factors
- beta Catenin/genetics
- beta Catenin/metabolism
- src-Family Kinases/antagonists & inhibitors
- src-Family Kinases/metabolism
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Affiliation(s)
- Saadia A Karim
- Beatson Institute for Cancer Research, Garscube Estate, Switchback Road, Glasgow G61 1BD, UK
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18
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Chang AY, Wang M. Molecular mechanisms of action and potential biomarkers of growth inhibition of dasatinib (BMS-354825) on hepatocellular carcinoma cells. BMC Cancer 2013; 13:267. [PMID: 23721490 PMCID: PMC3680296 DOI: 10.1186/1471-2407-13-267] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2012] [Accepted: 05/23/2013] [Indexed: 12/16/2022] Open
Abstract
Background Molecular targeted therapy has emerged as a promising treatment of Hepatocellular carcinoma (HCC). One potential target is the Src family Kinase (SFK). C-Src, a non-receptor tyrosine kinase is a critical link of multiple signal pathways that regulate proliferation, invasion, survival, metastasis, and angiogenesis. In this study, we evaluated the effects of a novel SFK inhibitor, dasatinib (BMS-354825), on SFK/FAK/p130CAS, PI3K/PTEN/Akt/mTOR, Ras/Raf/MAPK and Stats pathways in 9 HCC cell lines. Methods Growth inhibition was assessed by MTS assay. EGFR, Src and downstream proteins FAK, Akt, MAPK42/44, Stat3 expressions were measured by western blot. Cell adhesion, migration and invasion were performed with and without dasatinib treatment. Results The IC50 of 9 cell lines ranged from 0.7 μM ~ 14.2 μM. In general the growth inhibition by dasatinib was related to total Src (t-Src) and the ratio of activated Src (p-Src) to t-Src. There was good correlation of the sensitivity to dasatinib and the inhibition level of p-Src, p-FAK576/577 and p-Akt. No inhibition was found on Stat3 and MAPK42/44 in all cell lines. The inhibition of cell adhesion, migration and invasion were correlated with p-FAK inhibition. Conclusion Dasatinib inhibits the proliferation, adhesion, migration and invasion of HCC cells in vitro via inhibiting of Src tyrosine kinase and affecting SFK/FAK and PI3K/PTEN/Akt, but not Ras/Raf/MEK/ERK and JAK/Stat pathways. T-Src and p-Src/t-Src may be useful biomarkers to select HCC patients for dasatinib treatment.
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19
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c-Jun N-terminal kinase phosphorylation is a biomarker of plitidepsin activity. Mar Drugs 2013; 11:1677-92. [PMID: 23697951 PMCID: PMC3707168 DOI: 10.3390/md11051677] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2013] [Revised: 04/01/2013] [Accepted: 04/18/2013] [Indexed: 01/30/2023] Open
Abstract
Plitidepsin is an antitumor drug of marine origin currently in Phase III clinical trials in multiple myeloma. In cultured cells, plitidepsin induces cell cycle arrest or an acute apoptotic process in which sustained activation of c-Jun N-terminal kinase (JNK) plays a crucial role. With a view to optimizing clinical use of plitidepsin, we have therefore evaluated the possibility of using JNK activation as an in vivo biomarker of response. In this study, we show that administration of a single plitidepsin dose to mice xenografted with human cancer cells does indeed lead to increased phosphorylation of JNK in tumors at 4 to 12 h. By contrast, no changes were found in other in vitro plitidepsin targets such as the levels of phosphorylated-ERK, -p38MAPK or the protein p27KIP1. Interestingly, plitidepsin also increased JNK phosphorylation in spleens from xenografted mice showing similar kinetics to those seen in tumors, thereby suggesting that normal tissues might be useful for predicting drug activity. Furthermore, plitidepsin administration to rats at plasma concentrations comparable to those achievable in patients also increased JNK phosphorylation in peripheral mononuclear blood cells. These findings suggest that changes in JNK activity provide a reliable biomarker for plitidepsin activity and this could be useful for designing clinical trials and maximizing the efficacy of plitidepsin.
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20
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Lee SW, Yoo J, Lee SH, Kim D, Kim YM, Kim YT. Simultaneous suppression of Src and signal transducer and activator of transcription 3 inhibits the growth of epithelial ovarian cancer cells. Eur J Obstet Gynecol Reprod Biol 2013; 169:75-9. [PMID: 23427943 DOI: 10.1016/j.ejogrb.2013.01.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2012] [Revised: 12/29/2012] [Accepted: 01/24/2013] [Indexed: 11/16/2022]
Abstract
OBJECTIVE The reciprocal regulation of c-Src and STAT3 activation seems to be associated with the poor response to c-Src inhibitors of ovarian cancer. This study aims to investigate inhibition of cell proliferation and enhancement of the cytotoxic effect of chemotherapeutic agents via simultaneous suppression of c-Src and STAT3 in ovarian cancer cell lines. STUDY DESIGN Specific siRNAs targeting c-Src and STAT3 were produced and transfected into an SKOV3 ovarian cancer cell line. We confirmed the downregulation of c-Src and STAT3 mRNAs by reverse transcriptase polymerase chain reaction. MTT assay was used to assess cytotoxicity following cisplatin administration. Protein expression level was evaluated by Western blot. RESULTS Cell growth was significantly inhibited by c-Src or STAT3 siRNA. Cytotoxicity was not increased in cisplatin-treated SKOV3 by c-Src siRNA only or STAT3 siRNA only, but cell viability was decreased significantly in cisplatin-treated cells after simultaneous transfection with c-Src and STAT3 siRNAs. Specifically, the viability was significantly decreased from 30% to 55% within the IC50 concentration following simultaneous transfection with c-Src and STAT3 siRNAs, particularly after 72 h. Src and survivin protein expression level was significantly decreased at 72 h after transfection of c-Src and STAT3 siRNAs. CONCLUSIONS This study has demonstrated the principle that the simultaneous suppression of c-Src and STAT3 inhibits the growth of epithelial ovarian cancer cells and seems to enhance the cytotoxicity of chemotherapeutic agents in ovarian cancer.
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Affiliation(s)
- Shin-Wha Lee
- Department of Obstetrics and Gynecology, University of Ulsan, Asan Medical Center, Seoul 138-736, Republic of Korea
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21
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Schilder RJ, Brady WE, Lankes HA, Fiorica JV, Shahin MS, Zhou XC, Mannel RS, Pathak HB, Hu W, Alpaugh RK, Sood AK, Godwin AK. Phase II evaluation of dasatinib in the treatment of recurrent or persistent epithelial ovarian or primary peritoneal carcinoma: a Gynecologic Oncology Group study. Gynecol Oncol 2012; 127:70-4. [PMID: 22710075 PMCID: PMC3748717 DOI: 10.1016/j.ygyno.2012.06.009] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2012] [Revised: 05/31/2012] [Accepted: 06/05/2012] [Indexed: 11/30/2022]
Abstract
OBJECTIVES Preclinical data suggest an important role for the sarcoma proto-oncogene tyrosine kinase (SRC) in the oncogenesis of epithelial ovarian cancer (EOC) or primary peritoneal carcinoma (PPC). The Gynecologic Oncology Group (GOG) conducted a Phase II trial to evaluate the efficacy and safety of dasatinib, an oral SRC-family inhibitor in EOC/PPC, and explored biomarkers for possible association with clinical outcome. METHODS Eligible women had measurable, recurrent or persistent EOC/PPC and had received one or two prior regimens which must have contained a platinum and a taxane. Patients were treated with 100mg orally daily of dasatinib continuously until progression of disease or adverse effects prevented further treatment. Primary endpoints were progression-free survival (PFS)≥6months and response rate. Serial plasma samples were assayed for multiple biomarkers. Circulating free DNA was quantified as were circulating tumor and endothelial cells. RESULTS Thirty-five (35) patients were enrolled in a two-stage sequential design. Of the 34 eligible and evaluable patients, 20.6% (90% confidence interval: 10.1%, 35.2%) had a PFS≥6months; there were no objective responses. Grade 3-4 toxicities were gastrointestinal (mostly nausea and emesis; n=4), pulmonary (dyspnea and/or pleural effusion; n=4) and pain (n=5), and infrequent instances of anemia, malaise, insomnia, rash, and central nervous system hemorrhage. Lack of clinical activity limited any correlation of biomarkers with outcome. CONCLUSION Dasatinib has minimal activity as a single-agent in patients with recurrent EOC/PPC.
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Affiliation(s)
- Russell J Schilder
- Department of Medical Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA.
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22
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Klammer M, Kaminski M, Zedler A, Oppermann F, Blencke S, Marx S, Müller S, Tebbe A, Godl K, Schaab C. Phosphosignature predicts dasatinib response in non-small cell lung cancer. Mol Cell Proteomics 2012; 11:651-68. [PMID: 22617229 DOI: 10.1074/mcp.m111.016410] [Citation(s) in RCA: 84] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Targeted drugs are less toxic than traditional chemotherapeutic therapies; however, the proportion of patients that benefit from these drugs is often smaller. A marker that confidently predicts patient response to a specific therapy would allow an individual therapy selection most likely to benefit the patient. Here, we used quantitative mass spectrometry to globally profile the basal phosphoproteome of a panel of non-small cell lung cancer cell lines. The effect of the kinase inhibitor dasatinib on cellular growth was tested against the same panel. From the phosphoproteome profiles, we identified 58 phosphorylation sites, which consistently differ between sensitive and resistant cell lines. Many of the corresponding proteins are involved in cell adhesion and cytoskeleton organization. We showed that a signature of only 12 phosphorylation sites is sufficient to accurately predict dasatinib sensitivity. Four of the phosphorylation sites belong to integrin β4, a protein that mediates cell-matrix or cell-cell adhesion. The signature was validated in cross-validation and label switch experiments and in six independently profiled breast cancer cell lines. The study supports that the phosphorylation of integrin β4, as well as eight further proteins comprising the signature, are candidate biomarkers for predicting response to dasatinib in solid tumors. Furthermore, our results show that identifying predictive phosphorylation signatures from global, quantitative phosphoproteomic data is possible and can open a new path to discovering molecular markers for response prediction.
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Qayyum T, Fyffe G, Duncan M, McArdle PA, Hilmy M, Orange C, Halbert G, Seywright M, Horgan PG, Underwood MA, Edwards J. The interrelationships between Src, Cav-1 and RhoGD12 in transitional cell carcinoma of the bladder. Br J Cancer 2012; 106:1187-95. [PMID: 22353809 PMCID: PMC3304420 DOI: 10.1038/bjc.2012.52] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Background: The aim of this current study was to assess the expression and activity of Src family kinases, focal adhesion kinase (FAK), caveolin (Cav-1) and RhoGD12 in bladder cancer. Methods: Fifty-eight patients with a new diagnosis of bladder cancer undergoing transurethral resection were included. Immunohistochemical staining was utilised to assess expression of c-Src, dephosphorylated (SrcY530), phosphorylated Src (Y419), phosphorylated FAK (FAK Y861), Cav-1 and RhoGD12. Expression was assessed using the weighted histoscore method. Results: High expression of dephosphorylated Y527, phosphorylated Y416 and phosphorylated FAK Y861 in the membrane were associated with increased cancer-specific survival (P=0. 01, P=0.001, P=0.008, respectively) and expression of Y416 in the membrane was an independent factor on multivariate analysis when combined with known clinical parameters (P=0.008, HR 0.288, 95% CI 0.11–0.72). Conclusion: These results demonstrate that in contrast to other solid tumours, activation of the Src family members and downstream signalling proteins are associated with a good prognosis in transitional cell carcinoma of the bladder, and activated Src has a positive relationship with RhoGD12.
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Affiliation(s)
- T Qayyum
- Institute of Cancer, College of MVLS, University of Glasgow, Western Infirmary, Glasgow G11 6NT, UK
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Daud AI, Krishnamurthi SS, Saleh MN, Gitlitz BJ, Borad MJ, Gold PJ, Chiorean EG, Springett GM, Abbas R, Agarwal S, Bardy-Bouxin N, Hsyu PH, Leip E, Turnbull K, Zacharchuk C, Messersmith WA. Phase I study of bosutinib, a src/abl tyrosine kinase inhibitor, administered to patients with advanced solid tumors. Clin Cancer Res 2011; 18:1092-100. [PMID: 22179664 DOI: 10.1158/1078-0432.ccr-11-2378] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE Bosutinib, a potent ATP-competitive, quinolinecarbonitrile Src/Abl kinase inhibitor, was tested in this first-in-human phase I trial in patients with advanced solid tumor malignancies. PATIENTS AND METHODS This trial was conducted in 2 parts. In part 1 (dose escalation), increasing oral bosutinib doses were administered using a 3 + 3 design. In part 2 (dose expansion), approximately 30 patients each with refractory colorectal, pancreas, or non-small cell lung cancer were treated at the recommended phase II dose (RP2D). Primary efficacy endpoints for part 2 were median progression-free survival (colorectal and non-small cell lung) and median overall survival (pancreas). RESULTS In part 1, dose-limiting toxicities of grade 3 diarrhea (two patients) and grade 3 rash occurred with bosutinib 600 mg/day and the maximum tolerated dose identified was 500 mg/day. However, the majority of patients treated with 500 mg/day had grade 2 or greater gastrointestinal toxicity, and 400 mg/day was identified as the RP2D. The most common bosutinib-related adverse events were nausea (60% patients), diarrhea (47%), vomiting (40%), fatigue (38%), and anorexia (36%). Bosutinib had a mean half-life of 19 to 20 hours at the RP2D. A partial response (breast) and unconfirmed complete response (pancreas) were observed; 8 of 112 evaluable patients had stable disease for 22 to 101 weeks. However, the primary efficacy endpoints for part 2 were not met. CONCLUSIONS Bosutinib was generally well tolerated in patients with solid tumors, with the main toxicity being gastrointestinal. The RP2D was 400 mg/day orally. Further study of bosutinib is planned in combination regimens.
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Affiliation(s)
- Adil I Daud
- H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA.
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Yu EY, Massard C, Gross ME, Carducci MA, Culine S, Hudes G, Posadas EM, Sternberg CN, Wilding G, Trudel GC, Paliwal P, Fizazi K. Once-daily dasatinib: expansion of phase II study evaluating safety and efficacy of dasatinib in patients with metastatic castration-resistant prostate cancer. Urology 2011. [PMID: 21539969 DOI: 10.1016/j.urology.2011.01.006s0090-4295(11)00024-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
OBJECTIVES To determine the activity and tolerability of 100-mg once-daily (QD) dasatinib in patients with metastatic castration-resistance prostate cancer (CRPC). Dasatinib, an oral Src family kinase inhibitor, has demonstrated both preclinical and clinical activity with twice-daily dosing in patients with metastatic CRPC. METHODS Chemotherapy-naive men with metastatic CRPC and increasing prostate-specific antigen levels were treated with dasatinib 100 mg QD. The primary measurement was a composite lack of disease progression, according to the Prostate Cancer Working Group 2 criteria, determined every 12 weeks during the study. The other analyses included changes in the prostate-specific antigen level, bone lesions, soft tissue disease, and bone turnover markers (urine N-telopeptide and bone alkaline phosphatase). RESULTS The present trial was designed before the publication of the recent Prostate Cancer Working Group 2 criteria; however, the analyses are presented to conform to the updated guidelines. A total of 48 patients received dasatinib. A lack of disease progression was observed in 21 patients (44%) at week 12 and in 8 (17%) at week 24. Urine N-telopeptide was reduced by ≥40% from baseline in 22 (51%) of 43 patients, and bone alkaline phosphatase was decreased in 26 (59%) of 44 patients. Dasatinib was well-tolerated, with only 6 patients (13%) with drug-related grade 3-4 adverse events and 3 (6%) with grade 3 adverse events. The most common treatment-related adverse events (≥20%) were fatigue, nausea, diarrhea, headache, and anorexia. CONCLUSIONS Dasatinib 100 mg QD has a favorable safety profile and maintains a similar degree of activity as the previously reported twice-daily dosing schedules. These data support additional study of dasatinib 100 mg QD for metastatic CRPC.
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Affiliation(s)
- Evan Y Yu
- Division of Oncology, University of Washington, Seattle, Washington 98109, USA.
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26
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Yu EY, Massard C, Gross ME, Carducci MA, Culine S, Hudes G, Posadas EM, Sternberg CN, Wilding G, Trudel GC, Paliwal P, Fizazi K. Once-daily dasatinib: expansion of phase II study evaluating safety and efficacy of dasatinib in patients with metastatic castration-resistant prostate cancer. Urology 2011; 77:1166-71. [PMID: 21539969 DOI: 10.1016/j.urology.2011.01.006] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2010] [Revised: 01/04/2011] [Accepted: 01/04/2011] [Indexed: 11/30/2022]
Abstract
OBJECTIVES To determine the activity and tolerability of 100-mg once-daily (QD) dasatinib in patients with metastatic castration-resistance prostate cancer (CRPC). Dasatinib, an oral Src family kinase inhibitor, has demonstrated both preclinical and clinical activity with twice-daily dosing in patients with metastatic CRPC. METHODS Chemotherapy-naive men with metastatic CRPC and increasing prostate-specific antigen levels were treated with dasatinib 100 mg QD. The primary measurement was a composite lack of disease progression, according to the Prostate Cancer Working Group 2 criteria, determined every 12 weeks during the study. The other analyses included changes in the prostate-specific antigen level, bone lesions, soft tissue disease, and bone turnover markers (urine N-telopeptide and bone alkaline phosphatase). RESULTS The present trial was designed before the publication of the recent Prostate Cancer Working Group 2 criteria; however, the analyses are presented to conform to the updated guidelines. A total of 48 patients received dasatinib. A lack of disease progression was observed in 21 patients (44%) at week 12 and in 8 (17%) at week 24. Urine N-telopeptide was reduced by ≥40% from baseline in 22 (51%) of 43 patients, and bone alkaline phosphatase was decreased in 26 (59%) of 44 patients. Dasatinib was well-tolerated, with only 6 patients (13%) with drug-related grade 3-4 adverse events and 3 (6%) with grade 3 adverse events. The most common treatment-related adverse events (≥20%) were fatigue, nausea, diarrhea, headache, and anorexia. CONCLUSIONS Dasatinib 100 mg QD has a favorable safety profile and maintains a similar degree of activity as the previously reported twice-daily dosing schedules. These data support additional study of dasatinib 100 mg QD for metastatic CRPC.
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Affiliation(s)
- Evan Y Yu
- Division of Oncology, University of Washington, Seattle, Washington 98109, USA.
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Abstract
Phosphorylation is one of the most important processes in cell signal transduction. Detection of phosphorylated proteins in cancer tissue is useful for prognosis and diagnosis, and it might be very helpful in monitoring treatment using targeted therapy. For these reasons, the in situ quantitative measurement and subcellular localization of phosphoproteins will likely be important. However, phosphoproteins are extremely labile, a likely explanation for inconsistent or contradictory reports. Thus, the development of new paradigms for tissue handling, immunostaining, and quality control are needed.
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Affiliation(s)
- J Bodo
- Department of Clinical Pathology, Cleveland Clinic, OH 44195, USA
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Karlou M, Tzelepi V, Efstathiou E. Therapeutic targeting of the prostate cancer microenvironment. Nat Rev Urol 2011; 7:494-509. [PMID: 20818327 DOI: 10.1038/nrurol.2010.134] [Citation(s) in RCA: 95] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Solid tumors can be thought of as multicellular 'organs' that consist of a variety of cells as well as a scaffold of noncellular matrix. Stromal-epithelial crosstalk is integral to prostate cancer progression and metastasis, and androgen signaling is an important component of this crosstalk at both the primary and metastatic sites. Intratumoral production of androgen is an important mechanism of castration resistance and has been the focus of novel therapeutic approaches with promising results. Various other pathways are important for stromal-epithelial crosstalk and represent attractive candidate therapeutic targets. Hedgehog signaling has been associated with tumor progression, growth and survival, while Src family kinases have been implicated in tumor progression and in regulation of cancer cell migration. Fibroblast growth factors and transforming growth factor beta signaling regulate cell proliferation, apoptosis and angiogenesis in the prostate cancer microenvironment. Integrins mediate communication between the cell and the extracellular matrix, enhancing growth, migration, invasion and metastasis of cancer cells. The contribution of stromal-epithelial crosstalk to prostate cancer initiation and progression provides the impetus for combinatorial microenvironment-targeting strategies.
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Affiliation(s)
- Maria Karlou
- Department of Genitourinary Medical Oncology, David H. Koch Center for Applied Research of Genitourinary Cancers, The University of Texas M. D. Anderson Cancer Center, Houston, TX 77230-1439, USA
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Teoh D, Ayeni TA, Rubatt JM, Adams DJ, Grace L, Starr MD, Barry WT, Berchuck A, Murphy SK, Secord AA. Dasatinib (BMS-35482) has synergistic activity with paclitaxel and carboplatin in ovarian cancer cells. Gynecol Oncol 2011; 121:187-92. [PMID: 21208651 DOI: 10.1016/j.ygyno.2010.11.017] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2010] [Revised: 11/08/2010] [Accepted: 11/10/2010] [Indexed: 11/17/2022]
Abstract
PURPOSE To explore the activity of dasatinib alone and in combination with paclitaxel and carboplatin in ovarian cancer cells and to determine if dasatinib activity can be predicted based on evaluation of the SRC pathway. EXPERIMENTAL DESIGN Microarray analysis was performed for IGROV1, OVCAR3, A2780 and SKOV3 ovarian cancer cells and the status of the genomic SRC signature pathway was determined. Cells were treated with carboplatin, paclitaxel and dasatinib individually and in combination. Pre- and post-treatment phospho-SRC (pSRC) and SRC protein expression was determined. Dose-response curves were constructed, and drug interaction was assessed by the Combination Index (CI) method. RESULTS SRC protein expression levels reflected the SRC pathway genomic signature in the cell lines with the lowest (SKOV3) and highest (IGROV1) pathway expression, but not in those with intermediate expression (OVCAR3, A2780). Dasatinib treatment caused loss of pSRC in all cell lines, with 50% growth inhibition for IGROV1 at 70 nM, OVCAR3 at 34 nM, A2780 at 4.1 μM and SKOV3 at 530 nM. Dasatinib combined with cytotoxics yielded a synergistic effect (CI=0.46 to 0.79) in all cell lines except SKOV3. CONCLUSION Dasatinib in combination with standard chemotherapeutic agents appears to interact in a synergistic manner in some ovarian cancer cell lines. Further research is needed to evaluate tumor cell characteristics which predict response to dasatinib.
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Affiliation(s)
- Deanna Teoh
- Division of Gynecologic Oncology, Duke Comprehensive Cancer Center, Durham, NC 27710, USA
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Abstract
IMPORTANCE OF THE FIELD Dasatinib is an oral, potent adenosine triphosphate-competitive inhibitor of multiple tyrosine kinases including BCR-ABL, c-KIT, platelet-derived growth factor receptor, and Src family kinases (SFKs). It has gained much attention for its use in chronic myeloid leukemia and for the treatment of adults with Philadelphia chromosome-positive acute lymphoblastic leukemia. However, dasatinib is also being explored in solid tumors in ongoing Phase I and II clinical trials. AREAS COVERED IN THIS REVIEW The clinical efficacy of dasatinib in a wide variety of solid tumors and important Phase I/II studies utilizing dasatinib and the optimal dosage used in solid tumors. A literature search was conducted using PubMed/MEDLINE, www.clinicaltrials.gov , and the American Society of Clinical Oncology websites to find relevant Phase I/II clinical trials during 1987-2009. WHAT THE READER WILL GAIN The understanding that the biology and mechanism of Src activation in tumors are not well understood and finding the optimal use of SFK inhibitors in the clinical setting requires further investigation. TAKE HOME MESSAGE In reviewing the clinical safety data of dasatinib in its current use as a Src inhibitor in a wide variety of solid malignancies, dasatinib appears to be safe and is a promising agent for the treatment of metastatic solid tumors refractory to standard therapies.
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Affiliation(s)
- Lori C Kim
- University of South Florida College of Medicine, 12902 Magnolia Drive, MCC-GME, Tampa, Florida 33612, USA
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Dasatinib Is Preclinically Active against Src-Overexpressing Human Transitional Cell Carcinoma of the Urothelium with Activated Src Signaling. Mol Cancer Ther 2010; 9:1128-35. [DOI: 10.1158/1535-7163.mct-10-0096] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Fraser CK, Lousberg EL, Kumar R, Hughes TP, Diener KR, Hayball JD. Dasatinib inhibits the secretion of TNF-α following TLR stimulation in vitro and in vivo. Exp Hematol 2009; 37:1435-44. [DOI: 10.1016/j.exphem.2009.09.007] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2009] [Revised: 08/31/2009] [Accepted: 09/22/2009] [Indexed: 12/31/2022]
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Guerrouahen BS, Wieder E, Blanchard EG, Lee FY, Aplenc R, Corey SJ. Flow cytometric determination of Src phosphorylation in pediatric patients treated with dasatinib. Pediatr Blood Cancer 2009; 53:1132-5. [PMID: 19484755 PMCID: PMC2760231 DOI: 10.1002/pbc.22083] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Tyrosine kinase inhibitors, such as imatinib, have dramatically improved the outcomes for patients with selected cancers. For imatinib, western blotting of phospho-CrkL was an insensitive, indirect, and descriptive method to determine drug efficacy. Greater use of targeted therapies should involve more quantitative evaluation of the target's dose-inhibition. The Src/Abl kinase inhibitor dasatinib has recently been approved for use in Ph+ leukemias after failure with imatinib. Src family kinases (SFK) also play a critical role in nonhematologic cancers. We have developed a flow cytometric assay to measure SFK autophosphorylation levels in blood mononuclear cells and observed a direct correlation between its inhibition and patient dosage. This method provides a sensitive, quick, and quantitative tool to assess drug efficacy.
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Affiliation(s)
- Bella S. Guerrouahen
- Division of Pediatrics, MD Anderson Cancer Center, Houston, TX, Universite Paris-Sud 11, Paris, France
| | - Eric Wieder
- Department of Stem Cell Transplantation and Cellular Therapy, MD Anderson Cancer, Houston, TX, Division of Hematology/Oncology, Miller School of Medicine, University of Miami, Miami, FL
| | | | - Francis Y. Lee
- Bristol-Myers Squibb Pharmaceutical Research Institute, Princeton, New Jersey
| | - Richard Aplenc
- Division of Pediatric Oncology, Children’s Hospital of Philadelphia, Philadelphia, PA
| | - Seth J. Corey
- Division of Pediatrics, MD Anderson Cancer Center, Houston, TX, Department of Leukemia, MD Anderson Cancer Center, Houston, TX, Division of Hematology/Oncology and Transplantation, Department of Pediatrics and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, Chicago, IL
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Armstrong AJ, Febbo PG. Using surrogate biomarkers to predict clinical benefit in men with castration-resistant prostate cancer: an update and review of the literature. Oncologist 2009; 14:816-27. [PMID: 19684076 DOI: 10.1634/theoncologist.2009-0043] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Recurrent prostate cancer has a complex molecular etiology and a prolonged disease course. Although initially responsive to androgen ablation, many men eventually become castration resistant, develop skeletal metastases, and are palliatively treated with docetaxel-based chemotherapy, radiation therapy, bisphosphonates, and best supportive care. Given the modest success rates of the current standard of care, clinical trial enrollment is encouraged. Castration-resistant prostate cancer (CRPC) is a heterogeneous disease, both in clinical manifestations and outcomes, requiring an individualized approach to both patient care and trial design. Herein, we review surrogate markers of disease progression and treatment efficacy in advanced prostate cancer in light of recently published guidelines that have redefined eligibility, response criteria, and suitable endpoints in prostate cancer drug development. The guidelines have refined outcome measures to potentially better capture clinical benefit and the ability of novel targeted molecular and biologic agents to impact favorably on this disease. We consider prostate-specific antigen changes, circulating tumor cells, bone scan alterations, markers of bone metabolism (urinary N-telopeptide and bone-specific alkaline phosphatase), pain improvements, and progression-free survival. To illustrate the role and challenges of these potential biomarkers and endpoints in drug development, we discuss a class of novel molecularly targeted agents, the src kinase inhibitors. Given that there are currently no validated surrogate markers of overall survival for assessing early clinical benefit from systemic therapy in metastatic CRPC, incorporation of relevant biomarkers into all phases of clinical development is essential to accelerate drug development in this field.
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Affiliation(s)
- Andrew J Armstrong
- Department of Medicine and Surgery, Duke Comprehensive Cancer Center, Durham, NC 27710, USA.
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Khoury T, Arshad A, Bogner P, Ramnath N, Zhang S, Chandrasekhar R, Wilding G, Alrawi S, Tan D. Apoptosis-Related (Survivin, Bcl-2), Tumor Suppressor Gene (p53), Proliferation (Ki-67), and Non-Receptor Tyrosine Kinase (Src) Markers Expression and Correlation With Clinicopathologic Variables in 60 Thymic Neoplasms. Chest 2009; 136:220-228. [DOI: 10.1378/chest.08-2482] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
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Tatarov O, Mitchell TJ, Seywright M, Leung HY, Brunton VG, Edwards J. SRC family kinase activity is up-regulated in hormone-refractory prostate cancer. Clin Cancer Res 2009; 15:3540-9. [PMID: 19447874 DOI: 10.1158/1078-0432.ccr-08-1857] [Citation(s) in RCA: 123] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE Although Src family kinase (SFK) inhibitors are now in clinical trials for the treatment of androgen-independent prostate cancer (AIPC), there are no studies relating SFK activation to patient survival. This study was designed to determine if SFK activation was up-regulated with the development of AIPC and if patients could be selected who were more likely to respond to therapy. EXPERIMENTAL DESIGN A unique cohort of matched prostate tumor samples, taken before hormone deprivation therapy and following hormone relapse, was used to determine by immunohistochemistry on an individual patient basis if SFK activity changed with progression to AIPC and whether this related to patient outcome measures. Using matched, hormone-sensitive and hormone-refractory cell lines, we determined if hormone status affected the way prostate cancer cells respond to suppression of SFK activity by the small-molecule inhibitor dasatinib. RESULTS In the current study, 28% of patients with AIPC exhibited an increase in SFK activity in prostate cancer tissue, these patients had significantly shorter overall survival (P<0.0001), and activated SFK expression correlated with the presence of distant metastases. Dasatinib inhibited phosphorylation of Src and Lyn and the downstream substrate FAK in hormone-sensitive and hormone-refractory cell lines. Although migration was reduced by dasatinib in both cell lines, proliferation of hormone-refractory cells only was inhibited. CONCLUSION Appropriate patient selection may allow better targeting of prostate cancer patients who are likely to respond to the treatment with SFK inhibitors at the same time improving the outcome of clinical trials.
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Affiliation(s)
- Oleg Tatarov
- Division of Cancer Sciences and Molecular Pathology, Faculty of Medicine, Glasgow Royal Infirmary, Glasgow, UK
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Gertz MA. New targets and treatments in multiple myeloma: Src family kinases as central regulators of disease progression. Leuk Lymphoma 2009; 49:2240-5. [PMID: 19052970 DOI: 10.1080/10428190802475311] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Multiple myeloma is a malignant condition that most commonly occurs in the seventh decade of life. Recent improvements in treatment may result in a more favourable outlook for recently diagnosed patients. Multiple myeloma is an incurable clonal B-cell malignancy, which is initially responsive to conventional chemotherapy; one-third of the patients achieve complete remission but multidrug resistance eventually develops. Although autologous stem cell transplantation remains an important option, many older patients are less tolerant to the toxicity associated with conditioning treatment, as well as being intrinsically less likely to do well after transplantation. Most patients eventually relapse with or without transplantation, and salvage therapy is only moderately effective. Thalidomide and subsequently, lenalidomide and bortezomib, have demonstrated improved outcomes for these patients, as well as proving efficacious in front-line regimens. A deeper understanding of the molecular mechanisms underlying multiple myeloma has given rise to novel targeted approaches. This review will focus in particular on Src-dependent signalling pathways, reflecting the expanding realisation of the critical and ubiquitous role of Src family kinases (SFKs) in normal and abnormal hematopoiesis.
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Affiliation(s)
- Morie A Gertz
- Department of Internal Medicine, Mayo Clinic, Rochester, MN 55905, USA.
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Ricono JM, Huang M, Barnes LA, Lau SK, Weis SM, Schlaepfer DD, Hanks SK, Cheresh DA. Specific cross-talk between epidermal growth factor receptor and integrin alphavbeta5 promotes carcinoma cell invasion and metastasis. Cancer Res 2009; 69:1383-91. [PMID: 19208836 DOI: 10.1158/0008-5472.can-08-3612] [Citation(s) in RCA: 113] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Tyrosine kinase receptors and integrins play essential roles in tumor cell invasion and metastasis. Previously, we showed that epidermal growth factor (EGF) stimulation of pancreatic carcinoma cells led to invasion and metastasis that was blocked by antagonists of integrin alpha(v)beta(5). Here, we show that EGF stimulates metastasis of carcinoma cells via a Src-dependent phosphorylation of p130 CAS leading to activation of Rap1, a small GTPase involved in integrin activation. Specifically, EGF receptor (EGFR)-induced Src activity leads to phosphorylation of a region within the CAS substrate domain, which is essential for Rap1 and alpha(v)beta(5) activation. This pathway induces alpha(v)beta(5)-mediated invasion and metastasis in vivo yet does not influence primary tumor growth or activation of other integrins on these cells. These findings show cross-talk between a tyrosine kinase receptor and an integrin involved in carcinoma cell invasion and metastasis and may explain in part how inhibitors of EGFR affect malignant disease.
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Affiliation(s)
- Jill M Ricono
- Department of Pathology, Moores UCSD Cancer Center, University of California, San Diego, La Jolla, California 92093-0803, USA
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Pienta KJ, McGregor N, Axelrod R, Axelrod DE. Ecological therapy for cancer: defining tumors using an ecosystem paradigm suggests new opportunities for novel cancer treatments. Transl Oncol 2008; 1:158-64. [PMID: 19043526 PMCID: PMC2582164 DOI: 10.1593/tlo.08178] [Citation(s) in RCA: 117] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2008] [Revised: 09/16/2008] [Accepted: 09/18/2008] [Indexed: 02/07/2023] Open
Abstract
We propose that there is an opportunity to devise new cancer therapies based on the recognition that tumors have properties of ecological systems. Traditionally, localized treatment has targeted the cancer cells directly by removing them (surgery) or killing them (chemotherapy and radiation). These modes of therapy have not always been effective because many tumors recur after these therapies, either because not all of the cells are killed (local recurrence) or because the cancer cells had already escaped the primary tumor environment (distant recurrence). There has been an increasing recognition that the tumor microenvironment contains host noncancer cells in addition to cancer cells, interacting in a dynamic fashion over time. The cancer cells compete and/or cooperate with nontumor cells, and the cancer cells may compete and/or cooperate with each other. It has been demonstrated that these interactions can alter the genotype and phenotype of the host cells as well as the cancer cells. The interaction of these cancer and host cells to remodel the normal host organ microenvironment may best be conceptualized as an evolving ecosystem. In classic terms, an ecosystem describes the physical and biological components of an environment in relation to each other as a unit. Here, we review some properties of tumor microenvironments and ecological systems and indicate similarities between them. We propose that describing tumors as ecological systems defines new opportunities for novel cancer therapies and use the development of prostate cancer metastases as an example. We refer to this as "ecological therapy" for cancer.
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Affiliation(s)
- Kenneth J Pienta
- Departments of Internal Medicine and Urology, University of Michigan Comprehensive Cancer Center, Ann Arbor, MI 48109, USA
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Eustace AJ, Crown J, Clynes M, O'Donovan N. Preclinical evaluation of dasatinib, a potent Src kinase inhibitor, in melanoma cell lines. J Transl Med 2008; 6:53. [PMID: 18823558 PMCID: PMC2569026 DOI: 10.1186/1479-5876-6-53] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2008] [Accepted: 09/29/2008] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Metastatic melanoma is a highly chemotherapy resistant tumour. The use of newer targeted therapies alone and in combination with chemotherapy may offer new hope of improving response to treatment. Dasatinib, a multi-target kinase inhibitor, is currently approved for the treatment of chronic myeloid leukaemia and has shown promising results in preclinical studies in a number of solid tumours. METHODS We examined the effects of dasatinib on proliferation, chemo-sensitivity, cell cycle arrest, apoptosis, migration and invasion in human melanoma cell lines. Expression and activation of Src kinase, FAK and EphA2 were also examined in the melanoma cells. RESULTS Dasatinib inhibited growth of three of the five melanoma cell lines. Comparison with sorafenib showed that in these three cell lines dasatinib inhibited growth at lower concentrations than sorafenib. Dasatinib in combination with the chemotherapy drug temozolomide showed greater efficacy than either drug alone. Dasatinib induced cell cycle arrest and apoptosis and significantly inhibited cell migration and invasion of melanoma cells. Dasatinib inhibition of proliferation was associated with reduced phosphorylation of Src kinase, while decreased phosphorylation of FAK was implicated in dasatinib-mediated inhibition of migration and invasion in melanoma cells. CONCLUSION Dasatinib has both anti-proliferative and anti-invasive effects in melanoma cells and combined with chemotherapy may have clinical benefit in the treatment of malignant melanoma.
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Affiliation(s)
- Alex J Eustace
- National Institute for Cellular Biotechnology, Dublin City University, Dublin 9, Ireland.
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