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Bakhshayesh M, Gohari LH, Barati M, Safa M. Combination therapy using TGF-β1 and STI-571 can induce apoptosis in BCR-ABL oncogene-expressing cells. Biomol Concepts 2021; 12:144-155. [PMID: 34700368 DOI: 10.1515/bmc-2021-0016] [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: 08/02/2021] [Accepted: 09/24/2021] [Indexed: 11/15/2022] Open
Abstract
The BCR-ABL oncogene is a tyrosine kinase gene that is over-expressed in CML. It inhibits the TGF-β1 signaling pathway. Due to resistance of cells to the tyrosine kinase inhibitor, STI-571, the combined effect of STI-571 and TGF-β1 on K562 cells was studied in the present research. Results revealed that the TGF-β1 cell signaling pathway, which is activated in K562 cells treated with TGF-β1, activates collective cell signaling pathways involved in survival and apoptosis. It is noteworthy that treating K562 cells with STI-571 triggered apoptotic pathways, accompanied by a reduction in proteins such as Bcl-xL, Bcl-2, p-AKT, p-Stat5, p-FOXO3, and Mcl-1 and an increase in the pro-apoptotic proteins PARP cleavage, and p27, leading to an increase in sub-G1 phase-arrested and Annexin-positive cells. Interestingly, the proliferation behavior of TGF-β1-induced cells was changed with the combination therapy, and STI-571-induced apoptosis was also prompted by this combination. Thus, combination treatment appears to promote sub-G1 cell cycle arrest compared to individually treated cells. Furthermore, it strongly triggered apoptotic signaling. In conclusion, TGF-β1 did not negatively impact the effect of STI-571, based on positive annexin cells, and AKT protein phosphorylation remains effective in apoptosis.
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Affiliation(s)
- Masoome Bakhshayesh
- Genetics department, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Cellular & Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Ladan Hosseini Gohari
- Cellular & Molecular Research Center, Medical Laboratory Science Department, School of Allied Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mahmood Barati
- Department of Medical Biotechnology, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Majid Safa
- Cellular & Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran
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2
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Li Y, Gao Y, Liang B, Nie W, Zhao L, Wang L. Combined effects on leukemia cell growth by targeting sphingosine kinase 1 and sirtuin 1 signaling. Exp Ther Med 2020; 20:262. [PMID: 33199987 PMCID: PMC7664611 DOI: 10.3892/etm.2020.9392] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Accepted: 09/08/2020] [Indexed: 12/17/2022] Open
Abstract
Targeting multiple signaling pathways is a potential novel therapeutic strategy for the treatment of leukemias. Leukemia cells express high levels of sphingosine kinase 1 (Sphk1) and sirtuin 1 (SIRT1). However, to the best of our knowledge, their interaction and potential synergistic inhibitory effects on the growth and survival of leukemia cells have not been investigated. The present study revealed the role of the Sphk1/S1P/SIRT1 axis in K562, KCL22 and TF1 cells and hypothesized that the inhibition of Sphk1 and SIRT1 had synergistic effects on the growth and survival of leukemia cells. Cell viability was tested using a Cell Counting Kit-8 assay and cell colony forming assay. Cell apoptosis was detected using Annexin V-APC/PI staining. The stages of the cell cycle were measured using PI staining. Protein levels were measured by western blotting. Treatment of leukemia cells with S1P resulted in the upregulation of SIRT1 expression, whereas inhibition of Sphk1 induced SIRT1 downregulation in leukemia cells. Both SKI-II and EX527 actively suppressed growth, blocked cell cycle progression and induced apoptosis of leukemia cells. Furthermore, inhibition of Sphk1 and SIRT1 exhibited suppressive effects on the growth and survival of leukemia cells. Notably, the inhibition of Sphk1 and SIRT1 suppressed cell growth and induced apoptosis of T-315I mutation-harboring cells. Additionally, treatment with SKI-II and EX527 suppressed the ERK and STAT5 pathways in leukemia cells. These data indicated that targeting the Sphk1/S1P/SIRT1 axis may be a novel therapeutic strategy for the treatment of leukemia.
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Affiliation(s)
- Yuxiang Li
- School of Nursing, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Yuxia Gao
- School of Nursing, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Bing Liang
- School of Nursing, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Wenbo Nie
- School of Nursing, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Lijing Zhao
- School of Nursing, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Lisheng Wang
- School of Nursing, Jilin University, Changchun, Jilin 130021, P.R. China.,Department of Molecular Diagnosis and Regenerative Medicine, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, P.R. China
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3
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Ismail MA, Samara M, Al Sayab A, Alsharshani M, Yassin MA, Varadharaj G, Vezzalini M, Tomasello L, Monne M, Morsi H, Qoronfleh MW, Zayed H, Cook R, Sorio C, Modjtahedi H, Al-Dewik NI. Aberrant DNA methylation of PTPRG as one possible mechanism of its under-expression in CML patients in the State of Qatar. Mol Genet Genomic Med 2020; 8:e1319. [PMID: 32700424 PMCID: PMC7549574 DOI: 10.1002/mgg3.1319] [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: 02/13/2020] [Revised: 04/24/2020] [Accepted: 04/27/2020] [Indexed: 02/06/2023] Open
Abstract
Background Several studies showed that aberrant DNA methylation is involved in leukemia and cancer pathogenesis. Protein tyrosine phosphatase receptor gamma (PTPRG) expression is a natural inhibitory mechanism that is downregulated in chronic myeloid leukemia (CML) disease. The mechanism behind its downregulation has not been fully elucidated yet. Aim This study aimed to investigate the CpG methylation status at the PTPRG locus in CML patients. Methods Peripheral blood samples from CML patients at time of diagnosis [no tyrosine kinase inhibitors (TKIs)] (n = 13), failure to (TKIs) treatment (n = 13) and healthy controls (n = 6) were collected. DNA was extracted and treated with bisulfite treatment, followed by PCR, sequencing of 25 CpG sites in the promoter region and 26 CpG sites in intron‐1 region of PTPRG. The bisulfite sequencing technique was employed as a high‐resolution method. Results CML groups (new diagnosed and failed treatment) showed significantly higher methylation levels in the promoter and intron‐1 regions of PTPRG compared to the healthy group. There were also significant differences in methylation levels of CpG sites in the promoter and intron‐1 regions amongst the groups. Conclusion Aberrant methylation of PTPRG is potentially one of the possible mechanisms of PTPRG downregulation detected in CML.
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Affiliation(s)
- Mohamed A Ismail
- School of Life Science, Pharmacy and Chemistry, Faculty of Science, Engineering & ComputingFaculty of Science, Engineering & Computing, Kingston University London, Kingston-Upon-Thames, UK.,Interim Translational Research Institute (iTRI), Hamad Medical Corporation (HMC), Doha, Qatar
| | - Muthanna Samara
- Department of Psychology, Kingston University London, Kingston upon Thames, London, UK
| | - Ali Al Sayab
- Interim Translational Research Institute (iTRI), Hamad Medical Corporation (HMC), Doha, Qatar
| | - Mohamed Alsharshani
- Diagnostic Genetics Division (DGD), Department of Laboratory Medicine and Pathology (DLMP), Hamad Medical Corporation (HMC), Doha, Qatar
| | - Mohamed A Yassin
- Department of Medical Oncology, National Centre for Cancer Care and Research, Hamad Medical Corporation (HMC), Doha, Qatar
| | | | - Marzia Vezzalini
- General Pathology Division, Department of Medicine, University of Verona, Verona, Italy
| | - Luisa Tomasello
- Wexner Medical Center, Biomedical Research Tower, The Ohio State University, Columbus, OH, USA
| | - Maria Monne
- Centro di Diagnostica Biomolecolare e Citogenetica Emato-Oncologica, San Francesco" Hospital, Nuoro, Italy
| | - Hisham Morsi
- Quality of Life unit, National Center for Cancer Care and Research, (NCCCR), Hamad Medical Corporation (HMC), Doha, Qatar
| | - M Walid Qoronfleh
- World Innovation Summit for Healthcare (WISH), Qatar Foundation, Doha, Qatar
| | - Hatem Zayed
- Department of Biomedical Sciences, Biomedical Research Center, College of Health Sciences, QU Health, Qatar University, Doha, Qatar
| | - Richard Cook
- School of Life Science, Pharmacy and Chemistry, Faculty of Science, Engineering & ComputingFaculty of Science, Engineering & Computing, Kingston University London, Kingston-Upon-Thames, UK
| | - Claudio Sorio
- General Pathology Division, Department of Medicine, University of Verona, Verona, Italy
| | - Helmout Modjtahedi
- School of Life Science, Pharmacy and Chemistry, Faculty of Science, Engineering & ComputingFaculty of Science, Engineering & Computing, Kingston University London, Kingston-Upon-Thames, UK
| | - Nader I Al-Dewik
- School of Life Science, Pharmacy and Chemistry, Faculty of Science, Engineering & ComputingFaculty of Science, Engineering & Computing, Kingston University London, Kingston-Upon-Thames, UK.,Qatar Medical Genetic Center (QMGC), Hamad General Hospital (HGH), and Interim Translational Research Institute (iTRI), Hamad Medical Corporation (HMC), Doha, Qatar.,College of Health and Life Science (CHLS), Hamad Bin Khalifa University (HBKU), Doha, Qatar.,Department of Pediatrics, Women's Wellness and Research Center (WWRC), HMC, Doha, Qatar
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4
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Shah K, Rawal RM. Genetic and Epigenetic Modulation of Drug Resistance in Cancer: Challenges and Opportunities. Curr Drug Metab 2020; 20:1114-1131. [PMID: 31902353 DOI: 10.2174/1389200221666200103111539] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 08/30/2019] [Accepted: 10/06/2019] [Indexed: 02/08/2023]
Abstract
Cancer is a complex disease that has the ability to develop resistance to traditional therapies. The current chemotherapeutic treatment has become increasingly sophisticated, yet it is not 100% effective against disseminated tumours. Anticancer drugs resistance is an intricate process that ascends from modifications in the drug targets suggesting the need for better targeted therapies in the therapeutic arsenal. Advances in the modern techniques such as DNA microarray, proteomics along with the development of newer targeted drug therapies might provide better strategies to overcome drug resistance. This drug resistance in tumours can be attributed to an individual's genetic differences, especially in tumoral somatic cells but acquired drug resistance is due to different mechanisms, such as cell death inhibition (apoptosis suppression) altered expression of drug transporters, alteration in drug metabolism epigenetic and drug targets, enhancing DNA repair and gene amplification. This review also focusses on the epigenetic modifications and microRNAs, which induce drug resistance and contributes to the formation of tumour progenitor cells that are not destroyed by conventional cancer therapies. Lastly, this review highlights different means to prevent the formation of drug resistant tumours and provides future directions for better treatment of these resistant tumours.
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Affiliation(s)
- Kanisha Shah
- Department of Life Science, School of Sciences, Gujarat University, Navrangpura, Ahmedabad, Gujarat 380009, India
| | - Rakesh M Rawal
- Department of Life Science, School of Sciences, Gujarat University, Navrangpura, Ahmedabad, Gujarat 380009, India
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5
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Lompardía S, Díaz M, Pibuel M, Papademetrio D, Poodts D, Mihalez C, Álvarez É, Hajos S. Hyaluronan abrogates imatinib-induced senescence in chronic myeloid leukemia cell lines. Sci Rep 2019; 9:10930. [PMID: 31358779 PMCID: PMC6662747 DOI: 10.1038/s41598-019-47248-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 07/12/2019] [Indexed: 12/12/2022] Open
Abstract
Hyaluronan (HA) is the main glycosaminoglycan of the extracellular matrix. CD44 is the most important HA receptor, and both have been associated with poor prognosis in cancer. Chronic myeloid leukemia (CML) is characterized by the presence of a constitutively activated tyrosine kinase (Breakpoint Cluster Region - Abelson murine leukemia viral oncogene homolog1, BCR-ABL). It is mainly treated with BCR-ABL inhibitors, such as imatinib. However, the selection of resistant cells leads to treatment failure. The aim of this work was to determine the capacity of HA (high molecular weight) to counteract the effect of imatinib in human CML cell lines (K562 and Kv562). We demonstrated that imatinib decreased HA levels and the surface expression of CD44 in both cell lines. Furthermore, HA abrogated the anti-proliferative and pro-senescent effect of Imatinib without modifying the imatinib-induced apoptosis. Moreover, the inhibition of HA synthesis with 4-methylumbelliferone enhanced the anti-proliferative effect of imatinib. These results suggest that Imatinib-induced senescence would depend on the reduction in HA levels, describing, for the first time, the role of HA in the development of resistance to imatinib. These findings show that low levels of HA are crucial for an effective therapy with imatinib in CML.
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Affiliation(s)
- Silvina Lompardía
- Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Microbiología, Inmunología y Biotecnología, Cátedra de Inmunología, Buenos Aires, Argentina.
- Universidad de Buenos Aires, CONICET, Instituto de Estudios de la Inmunidad Humoral (IDEHU), Buenos Aires, Argentina.
| | - Mariángeles Díaz
- Universidad de Buenos Aires, CONICET, Instituto de Estudios de la Inmunidad Humoral (IDEHU), Buenos Aires, Argentina
| | - Matías Pibuel
- Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Microbiología, Inmunología y Biotecnología, Cátedra de Inmunología, Buenos Aires, Argentina
- Universidad de Buenos Aires, CONICET, Instituto de Estudios de la Inmunidad Humoral (IDEHU), Buenos Aires, Argentina
| | - Daniela Papademetrio
- Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Microbiología, Inmunología y Biotecnología, Cátedra de Inmunología, Buenos Aires, Argentina
- Universidad de Buenos Aires, CONICET, Instituto de Estudios de la Inmunidad Humoral (IDEHU), Buenos Aires, Argentina
| | - Daniela Poodts
- Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Microbiología, Inmunología y Biotecnología, Cátedra de Inmunología, Buenos Aires, Argentina
| | - Cintia Mihalez
- Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Microbiología, Inmunología y Biotecnología, Cátedra de Inmunología, Buenos Aires, Argentina
- Universidad de Buenos Aires, CONICET, Instituto de Estudios de la Inmunidad Humoral (IDEHU), Buenos Aires, Argentina
| | - Élida Álvarez
- Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Microbiología, Inmunología y Biotecnología, Cátedra de Inmunología, Buenos Aires, Argentina
- Universidad de Buenos Aires, CONICET, Instituto de Estudios de la Inmunidad Humoral (IDEHU), Buenos Aires, Argentina
| | - Silvia Hajos
- Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Microbiología, Inmunología y Biotecnología, Cátedra de Inmunología, Buenos Aires, Argentina
- Universidad de Buenos Aires, CONICET, Instituto de Estudios de la Inmunidad Humoral (IDEHU), Buenos Aires, Argentina
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6
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Cao H, Li W, Zhou Y, Tan R, Yang Y, Zhou Y, Guo Q, Zhao L. Oroxylin a Inhibits the Protection of Bone Marrow Microenvironment on CML Cells Through CXCL12/CXCR4/P-gp Signaling Pathway. Front Oncol 2019; 9:188. [PMID: 31024831 PMCID: PMC6463784 DOI: 10.3389/fonc.2019.00188] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Accepted: 03/05/2019] [Indexed: 12/14/2022] Open
Abstract
Imatinib (IM) resistance could have significant impact on the survival time of the CML-patients treated with IM. Previous studies have shown that the protective effects of the bone marrow stroma cells (BMSCs) on CML cells are achieved by the secretion of CXCL12. The aim of this study was to investigate whether Oroxylin A could reverse the protective effect of BMSCs on CML cells and illuminate the underlying mechanisms. The results showed that CXCL12 could enhance the resistance potential of K562 and KU812 cells to IM by increasing the expression of CXCR4, thus promoting the translocation of β-catenin into nucleus and subsequently increasing the expression of P-gp in K562 and KU812 cells. What's more, IM resistance could also be partially reversed by CXCR4 siRNA transfection. Moreover, the reverse effect of IM resistance by Oroxylin A was demonstrated by the inhibition of β-catenin/P-gp pathway via the decrease of CXCR4 in vitro. The in vivo study also showed that Oroxylin A could decrease the expression of P-gp and β-catenin in mice bone marrow with low toxicity, which could be consistent with the mechanisms verified in vitro studies. In conclusion, all these results showed that Oroxylin A improved the sensitivity of K562 and KU812 cells to IM in BM microenvironment by decreasing the expression of CXCR4 and then inhibiting β-catenin/P-gp pathway.
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Affiliation(s)
- Hanbo Cao
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Carcinogenesis and Intervention, China Pharmaceutical University, Nanjing, China
| | - Wenjun Li
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Carcinogenesis and Intervention, China Pharmaceutical University, Nanjing, China
| | - Yizhou Zhou
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Carcinogenesis and Intervention, China Pharmaceutical University, Nanjing, China
| | - Renxiang Tan
- State Key Laboratory Cultivation Base for TCM Quality and Efficacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yue Yang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Carcinogenesis and Intervention, China Pharmaceutical University, Nanjing, China
| | - You Zhou
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Carcinogenesis and Intervention, China Pharmaceutical University, Nanjing, China
| | - Qinglong Guo
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Carcinogenesis and Intervention, China Pharmaceutical University, Nanjing, China
| | - Li Zhao
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Carcinogenesis and Intervention, China Pharmaceutical University, Nanjing, China
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7
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Desterke C, Voldoire M, Bonnet ML, Sorel N, Pagliaro S, Rahban H, Bennaceur-Griscelli A, Cayssials E, Chomel JC, Turhan AG. Experimental and integrative analyses identify an ETS1 network downstream of BCR-ABL in chronic myeloid leukemia (CML). Exp Hematol 2018; 64:71-83.e8. [DOI: 10.1016/j.exphem.2018.04.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Revised: 04/25/2018] [Accepted: 04/27/2018] [Indexed: 01/13/2023]
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8
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Elias MH, Azlan H, Sulong S, Baba AA, Ankathil R. Aberrant DNA methylation at HOXA4 and HOXA5 genes are associated with resistance to imatinib mesylate among chronic myeloid leukemia patients. Cancer Rep (Hoboken) 2018; 1:e1111. [PMID: 32721103 DOI: 10.1002/cnr2.1111] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 05/03/2018] [Accepted: 05/04/2018] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Imatinib mesylate is a molecularly targeted tyrosine kinase inhibitor drug. It is effectively used in the treatment of chronic myeloid leukemia (CML) patients. However, development of resistance to imatinib mesylate as a result of BCR-ABL dependent and BCR-ABL independent mechanisms has emerged as a daunting problem in the management of CML patients. Between these mechanisms, BCR-ABL independent mechanisms are still not robustly understood. AIM To investigate the correlation of HOXA4 and HOXA5 promoter DNA hypermethylation with imatinib resistance among CML patients. METHODS AND RESULTS Samples from 175 Philadelphia positive CML patients (83 good response and 92 BCR-ABL non-mutated imatinib resistant patients) were subjected to Methylation Specific High Resolution Melt Analysis for methylation levels quantification of the HOXA4 and HOXA5 promoter regions. Receiver operating characteristic curve analysis was done to elucidate the optimal methylation cut-off point followed by multiple logistic regression analysis. Log-Rank analysis was done to measure the overall survival difference between CML groups. The optimal methylation cut-off point was found to be at 62.5% for both HOXA4 and HOXA5. Chronic myeloid leukemia patients with ≥63% HOXA4 and HOXA5 methylation level were shown to have 3.78 and 3.95 times the odds, respectively, to acquire resistance to imatinib. However, overall survival of CML patients that have ≤62% and ≥ 63% methylation levels of HOXA4 and HOXA5 genes were found to be not significant (P-value = 0.126 for HOXA4; P-value = 0.217 for HOXA5). CONCLUSION Hypermethylation of the HOXA4 and HOXA5 promoter is correlated with imatinib resistance and with further investigation, it could be a potential epigenetic biomarker in supplement to the BCR-ABL gene mutation in predicting imatinib treatment response among CML patients but could not be considered as a prognostic marker.
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Affiliation(s)
- Marjanu Hikmah Elias
- Faculty of Medicine and Health Sciences, Universiti Sains Islam Malaysia, Nilai, Malaysia
| | - Husin Azlan
- Haemato-Oncology Unit, Department of Internal Medicine, Universiti Sains Malaysia Hospital, Kota Bharu, Malaysia
| | - Sarina Sulong
- Human Genome Centre, School of Medical Sciences, Universiti Sains Malaysia, Kelantan, Malaysia
| | | | - Ravindran Ankathil
- Human Genome Centre, School of Medical Sciences, Universiti Sains Malaysia, Kelantan, Malaysia
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9
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Nie D, Huang K, Yin S, Li Y, Xie S, Ma L, Wang X, Wu Y, Xiao J, Wang J, Yang W, Liu H. KPT-330 inhibition of chromosome region maintenance 1 is cytotoxic and sensitizes chronic myeloid leukemia to Imatinib. Cell Death Discov 2018; 4:48. [PMID: 29707241 PMCID: PMC5913223 DOI: 10.1038/s41420-018-0049-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Revised: 03/03/2018] [Accepted: 03/08/2018] [Indexed: 12/17/2022] Open
Abstract
As tyrosine kinase inhibitors (e.g., Imatinib, IM) fail to induce long-term response in some chronic myeloid leukemia (CML), novel therapies targeting leukemia-dysregulated pathways are necessary. Nuclear-cytoplasmic trafficking of proteins play a key role in the development of leukemia and drug resistance. KPT-330 (Selinexor), an inhibitor of chromosome region maintenance 1 (CRM1, nuclear receptor exportin 1, XPO1), demonstrated activities against a few hematological malignancies. We examined the anti-leukemic efficacy of KPT-330 in IM-resistant CML. Cell viability was examined by MTS assay. Apoptosis and cell cycle were assessed by flow cytometry. CRM1 mRNA was detected by PCR. Expression of CRM1 protein and its cargo proteins were determined by western blot or immunofluorescent staining. Furthermore, we engrafted nude mice subcutaneously with IM-resistant CML K562G. Mice were treated with IM, KPT-330 alone or in combination. Expression of CRM1 in CML were markedly higher than control. KPT-330 inhibited proliferation, induced cell cycle arrest and apoptosis of K562 and K562G. IC50 of IM on K562G was reduced by KPT-330. Mechanistically, KPT-330 inhibited CRM1 and increased the nuclear/cytoplasm ratio of BCR-ABL and P27. p-AKT was downregulated while p-STAT1 and caspase-3 were upregulated. Furthermore, KPT-330 showed anti-leukemic effect in primary IM-resistant CML with T315I mutation in CRM1-dependent manner. In K562G xenograft mice model, KPT-330 inhibited tumor growth and sensitized K562G to IM in vivo. To conclude, KPT-330 showed anti-leukemic activity and sensitized CML to IM in CRM1-dependent manner in vitro and in vivo. KPT-330 represents an alternative therapy for IM-refractory CML, warranting further investigation of CRM1 as therapeutic target.
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Affiliation(s)
- Danian Nie
- 1Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation and Department of Hematology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, 510120 Guangzhou, China
| | - Kezhi Huang
- 1Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation and Department of Hematology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, 510120 Guangzhou, China.,2Department of Hematology, Hemostasis, Oncology, and Stem Cell Transplantation, Hannover Medical School, Carl-Neuberg-Straße 1, 30625 Hannover, Germany
| | - Songmei Yin
- 1Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation and Department of Hematology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, 510120 Guangzhou, China
| | - Yiqing Li
- 1Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation and Department of Hematology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, 510120 Guangzhou, China.,3Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, 2130 West Holcombe Boulevard, Suite 910, Houston, TX 77030 USA
| | - Shuangfeng Xie
- 1Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation and Department of Hematology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, 510120 Guangzhou, China
| | - Liping Ma
- 1Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation and Department of Hematology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, 510120 Guangzhou, China
| | - Xiuju Wang
- 1Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation and Department of Hematology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, 510120 Guangzhou, China
| | - Yudan Wu
- 1Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation and Department of Hematology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, 510120 Guangzhou, China
| | - Jie Xiao
- 1Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation and Department of Hematology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, 510120 Guangzhou, China
| | - Jieyu Wang
- 1Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation and Department of Hematology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, 510120 Guangzhou, China
| | - Wenjuan Yang
- 1Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation and Department of Hematology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, 510120 Guangzhou, China
| | - Hongyun Liu
- 1Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation and Department of Hematology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, 510120 Guangzhou, China
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10
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Yagi K, Shimada A, Sendo T. Pharmacological inhibition of JAK3 enhances the antitumor activity of imatinib in human chronic myeloid leukemia. Eur J Pharmacol 2018; 825:28-33. [DOI: 10.1016/j.ejphar.2018.02.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Revised: 02/11/2018] [Accepted: 02/14/2018] [Indexed: 12/25/2022]
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11
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The anti-apoptotic PON2 protein is Wnt/β-catenin-regulated and correlates with radiotherapy resistance in OSCC patients. Oncotarget 2018; 7:51082-51095. [PMID: 27322774 PMCID: PMC5239460 DOI: 10.18632/oncotarget.9013] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Accepted: 04/07/2016] [Indexed: 12/12/2022] Open
Abstract
Aberrant Wnt signaling and control of anti-apoptotic mechanisms are pivotal features in different types of cancer to undergo cell death programs. The intracellular human enzyme Paraoxonase-2 (PON2) is known to have anti-apoptotic properties in leukemia and oral squamous cell cancer (OSCC) cells. However, the distinct regulating pathways are poorly understood. First, we present a so far unknown regulation of PON2 protein expression through the Wnt/GSK3β/β-catenin pathway in leukemia and OSCC cells. This was confirmed via in silico analysis, promoter reporter studies and treatment of multiple cell lines (K562, SCC-4, PCI-13) with different Wnt ligands/inhibitors in vitro. Ex vivo analysis of OSCC patients revealed a correlation between PON2 and β-catenin expression in tumor tissue. Higher PON2 expression in OSCC is associated with relapse independently of treatment (e.g. surgery/radio-/chemotherapy). These results emphasize the clinical impact of the newly described regulation of PON2 through Wnt/GSK3β/β-catenin. More importantly, the study revealed the fundamental finding of an overall Wnt/GSK3β/β-catenin dependent regulation of PON2 in different cancers, which was confirmed by systematic and multimethodological approaches. Thus, the herein presented mechanistic insight contributes to a better understanding of tumor specific escape from cell death strategies and suggests PON2 as a new potential biomarker for therapy resistance or as a prognostic tumor marker.
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Ciftci HI, Ozturk SE, Ali TFS, Radwan MO, Tateishi H, Koga R, Ocak Z, Can M, Otsuka M, Fujita M. The First Pentacyclic Triterpenoid Gypsogenin Derivative Exhibiting Anti-ABL1 Kinase and Anti-chronic Myelogenous Leukemia Activities. Biol Pharm Bull 2018; 41:570-574. [PMID: 29386476 DOI: 10.1248/bpb.b17-00902] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The discovery of the chimeric tyrosine kinase breakpoint cluster region kinase-Abelson kinase (BCR-ABL)-targeted drug imatinib conceptually changed the treatment of chronic myelogenous leukemia (CML). However, some CML patients show drug resistance to imatinib. To address this issue, some artificial heterocyclic compounds have been identified as BCR-ABL inhibitors. Here we examined whether plant-derived pentacyclic triterpenoid gypsogenin and/or their derivatives show inhibitory activity against BCR-ABL. Among the three derivatives, benzyl 3-hydroxy-23-oxoolean-12-en-28-oate (1c) was found to be the most effective anticancer agent on the CML cell line K562, with an IC50 value of 9.3 µM. In contrast, the IC50 against normal peripheral blood mononuclear cells was 276.0 µM, showing better selectivity than imatinib. Compound 1c had in vitro inhibitory activity against Abelson kinase 1 (ABL1) (IC50=8.7 µM), the kinase component of BCR-ABL. In addition, compound 1c showed a different inhibitory profile against eight kinases compared with imatinib. The interaction between ATP binding site of ABL and 1c was examined by molecular docking study, and the binding mode was different from imatinib and newer generation inhibitors. Furthermore, 1c suppressed signaling downstream of BCR-ABL. This study suggests the possibility that plant extracts may be a source for CML treatment and offer a strategy to overcome drug resistance to known BCR-ABL inhibitors.
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Affiliation(s)
- Halil Ibrahim Ciftci
- Department of Bioorganic Medicinal Chemistry, Faculty of Life Sciences, Kumamoto University
| | | | - Taha F S Ali
- Department of Bioorganic Medicinal Chemistry, Faculty of Life Sciences, Kumamoto University.,Department of Medicinal Chemistry, Faculty of Pharmacy, Minia University
| | - Mohamed O Radwan
- Department of Bioorganic Medicinal Chemistry, Faculty of Life Sciences, Kumamoto University.,Department of Chemistry of Natural Compounds, National Research Center
| | - Hiroshi Tateishi
- Department of Bioorganic Medicinal Chemistry, Faculty of Life Sciences, Kumamoto University
| | - Ryoko Koga
- Department of Bioorganic Medicinal Chemistry, Faculty of Life Sciences, Kumamoto University
| | - Zeynep Ocak
- Microbiology Laboratory, Izmit Seka State Hospital
| | - Mustafa Can
- Department of Engineering Sciences, Faculty of Engineering and Architecture, Izmir Katip Celebi University
| | - Masami Otsuka
- Department of Bioorganic Medicinal Chemistry, Faculty of Life Sciences, Kumamoto University
| | - Mikako Fujita
- Research Institute for Drug Discovery, School of Pharmacy, Kumamoto University
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Salizzato V, Borgo C, Cesaro L, Pinna LA, Donella-Deana A. Inhibition of protein kinase CK2 by CX-5011 counteracts imatinib-resistance preventing rpS6 phosphorylation in chronic myeloid leukaemia cells: new combined therapeutic strategies. Oncotarget 2017; 7:18204-18. [PMID: 26919095 PMCID: PMC4951282 DOI: 10.18632/oncotarget.7569] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Accepted: 02/11/2016] [Indexed: 11/25/2022] Open
Abstract
Chronic myeloid leukaemia (CML) is a myeloproliferative disorder promoted by the constitutive tyrosine kinase activity of Bcr-Abl oncoprotein. Although treatment with the Bcr-Abl-inhibitor imatinib represents the first-line therapy against CML, almost 20-30% of patients develop chemotherapeutic resistance and require alternative therapy. Here we show that a strong hyper-phosphorylation/activation of ERK1/2, Akt Ser473, and 40S ribosomal protein S6 (rpS6) is detectable in imatinib-resistant KCL22 and K562 CML cells as compared to the -sensitive cell variants. In imatinib-resistant CML cells, high concentration of imatinib is required to strongly inhibit Bcr-Abl, ERK1/2 and Akt Ser473 phosphorylation, but under these conditions the phosphorylation of rpS6, a common downstream effector of MEK/ERK1/2 and PI3K/Akt/mTOR pathways is only slightly reduced. By contrast, down-regulation of the protein kinase CK2 by the inhibitor CX-5011 or by silencing the CK2 subunits does not affect the activation state of MEK/ERK1/2 or PI3K/Akt/mTOR signalling, but causes a drop in rpS6 phosphorylation in parallel with reduced protein synthesis. CK2-inhibition by CX-5011 induces cell death by apoptosis and acts synergistically with imatinib or the MEK-inhibitor U0126 in reducing the viability of imatinib-resistant CML cells. The ternary mixture containing CX-5011, imatinib and U0126 represents the most effective synergistic combination to counteract CML cell viability. These results disclose a novel CK2-mediated mechanism of acquired imatinib-resistance resulting in hyper-phosphorylation of rpS6. We suggest that co-targeting CK2 and MEK protein kinases is a promising strategy to restore responsiveness of resistant CML cells to imatinib.
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Affiliation(s)
- Valentina Salizzato
- Department of Biomedical Sciences and CNR Institute of NeuroSciences, University of Padova, 35131 Padova, Italy
| | - Christian Borgo
- Department of Biomedical Sciences and CNR Institute of NeuroSciences, University of Padova, 35131 Padova, Italy
| | - Luca Cesaro
- Department of Biomedical Sciences and CNR Institute of NeuroSciences, University of Padova, 35131 Padova, Italy
| | - Lorenzo A Pinna
- Department of Biomedical Sciences and CNR Institute of NeuroSciences, University of Padova, 35131 Padova, Italy
| | - Arianna Donella-Deana
- Department of Biomedical Sciences and CNR Institute of NeuroSciences, University of Padova, 35131 Padova, Italy
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A role for FOXO1 in BCR-ABL1-independent tyrosine kinase inhibitor resistance in chronic myeloid leukemia. Leukemia 2016; 30:1493-501. [PMID: 27044711 PMCID: PMC4935980 DOI: 10.1038/leu.2016.51] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2015] [Revised: 01/29/2016] [Accepted: 02/18/2016] [Indexed: 01/25/2023]
Abstract
Chronic myeloid leukemia (CML) patients who relapse on imatinib due to acquired ABL1 kinase domain mutations are successfully treated with second-generation ABL1-tyrosine kinase inhibitors (ABL-TKIs) such as dasatinib, nilotinib or ponatinib. However, ~40% of relapsed patients have uncharacterized BCR–ABL1 kinase-independent mechanisms of resistance. To identify these mechanisms of resistance and potential treatment options, we generated ABL-TKI-resistant K562 cells through prolonged sequential exposure to imatinib and dasatinib. Dual-resistant K562 cells lacked BCR–ABL1 kinase domain mutations, but acquired other genomic aberrations that were characterized by next-generation sequencing and copy number analyses. Proteomics showed that dual-resistant cells had elevated levels of FOXO1, phospho-ERK and BCL-2, and that dasatinib no longer inhibited substrates of the PI3K/AKT pathway. In contrast to parental cells, resistant cells were sensitive to growth inhibition and apoptosis induced by the class I PI3K inhibitor, GDC-0941 (pictilisib), which also induced FOXO1 nuclear translocation. FOXO1 was elevated in a subset of primary specimens from relapsed CML patients lacking BCR–ABL1 kinase domain mutations, and these samples were responsive to GDC-0941 treatment ex vivo. We conclude that elevated FOXO1 contributes to BCR–ABL1 kinase-independent resistance experienced by these CML patients and that PI3K inhibition coupled with BCR–ABL1 inhibition may represent a novel therapeutic approach.
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Tortorella SM, Hung A, Karagiannis TC. The implication of cancer progenitor cells and the role of epigenetics in the development of novel therapeutic strategies for chronic myeloid leukemia. Antioxid Redox Signal 2015; 22:1425-62. [PMID: 25366930 DOI: 10.1089/ars.2014.6096] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
SIGNIFICANCE Chronic myeloid leukemia (CML) involves the malignant transformation of hematopoietic stem cells, defined largely by the Philadelphia chromosome and expression of the breakpoint cluster region-Abelson (BCR-ABL) oncoprotein. Pharmacological tyrosine kinase inhibitors (TKIs), including imatinib mesylate, have overcome limitations in conventional treatment for the improved clinical management of CML. RECENT ADVANCES Accumulated evidence has led to the identification of a subpopulation of quiescent leukemia progenitor cells with stem-like self renewal properties that may initiate leukemogenesis, which are also shown to be present in residual disease due to their insensitivity to tyrosine kinase inhibition. CRITICAL ISSUES The characterization of quiescent leukemia progenitor cells as a unique cell population in CML pathogenesis has become critical with the complete elucidation of mechanisms involved in their survival independent of BCR-ABL that is important in the development of novel anticancer strategies. Understanding of these functional pathways in CML progenitor cells will allow for their selective therapeutic targeting. In addition, disease pathogenesis and drug responsiveness is also thought to be modulated by epigenetic regulatory mechanisms such as DNA methylation, histone acetylation, and microRNA expression, with a capacity to control CML-associated gene transcription. FUTURE DIRECTIONS A number of compounds in combination with TKIs are under preclinical and clinical investigation to assess their synergistic potential in targeting leukemic progenitor cells and/or the epigenome in CML. Despite the collective promise, further research is required in order to refine understanding, and, ultimately, advance antileukemic therapeutic strategies.
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Affiliation(s)
- Stephanie M Tortorella
- 1 Epigenomic Medicine, Baker IDI Heart and Diabetes Institute, The Alfred Medical Research and Education Precinct , Melbourne, Australia
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Ma L, Shan Y, Bai R, Xue L, Eide CA, Ou J, Zhu LJ, Hutchinson L, Cerny J, Khoury HJ, Sheng Z, Druker BJ, Li S, Green MR. A therapeutically targetable mechanism of BCR-ABL-independent imatinib resistance in chronic myeloid leukemia. Sci Transl Med 2015; 6:252ra121. [PMID: 25186176 DOI: 10.1126/scitranslmed.3009073] [Citation(s) in RCA: 89] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Resistance to the BCR-ABL inhibitor imatinib mesylate (IM) poses a major problem for the treatment of chronic myeloid leukemia (CML). IM resistance often results from a secondary mutation in BCR-ABL that interferes with drug binding. However, in many instances, there is no mutation in BCR-ABL, and the basis of such BCR-ABL-independent IM resistance remains to be elucidated. To gain insight into BCR-ABL-independent IM resistance mechanisms, we performed a large-scale RNA interference screen and identified IM-sensitizing genes (IMSGs) whose knockdown renders BCR-ABL(+) cells IM-resistant. In these IMSG knockdown cells, RAF/mitogen-activated protein kinase kinase (MEK)/extracellular signal-regulated kinase (ERK) signaling is sustained after IM treatment because of up-regulation of PRKCH, which encodes the protein kinase C (PKC) family member PKCη, an activator of CRAF. PRKCH is also up-regulated in samples from CML patients with BCR-ABL-independent IM resistance. Combined treatment with IM and trametinib, a U.S. Food and Drug Administration-approved MEK inhibitor, synergistically kills BCR-ABL(+) IMSG knockdown cells and prolongs survival in mouse models of BCR-ABL-independent IM-resistant CML. Finally, we showed that CML stem cells contain high levels of PRKCH, and this contributes to their intrinsic IM resistance. Combined treatment with IM and trametinib synergistically kills CML stem cells with negligible effect on normal hematopoietic stem cells. Collectively, our results identify a therapeutically targetable mechanism of BCR-ABL-independent IM resistance in CML and CML stem cells.
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Affiliation(s)
- Leyuan Ma
- Howard Hughes Medical Institute, Programs in Gene Function and Expression and Molecular Medicine, University of Massachusetts Medical School, Worcester, MA 01605, USA
| | - Yi Shan
- Division of Hematology/Oncology, Department of Medicine, University of Massachusetts Medical School, Worcester, MA 01605, USA
| | - Robert Bai
- Howard Hughes Medical Institute, Programs in Gene Function and Expression and Molecular Medicine, University of Massachusetts Medical School, Worcester, MA 01605, USA
| | - Liting Xue
- Programs in Gene Function and Expression and Molecular Medicine, University of Massachusetts Medical School, Worcester, MA 01605, USA
| | - Christopher A Eide
- Howard Hughes Medical Institute, Knight Cancer Institute, Division of Hematology and Medical Oncology, Oregon Health and Science University, Portland, OR 97239, USA
| | - Jianhong Ou
- Programs in Gene Function and Expression and Molecular Medicine, University of Massachusetts Medical School, Worcester, MA 01605, USA
| | - Lihua J Zhu
- Programs in Gene Function and Expression and Molecular Medicine, University of Massachusetts Medical School, Worcester, MA 01605, USA. Program in Bioinformatics and Integrative Biology, University of Massachusetts Medical School, Worcester, MA 01605, USA
| | - Lloyd Hutchinson
- Department of Pathology, University of Massachusetts Medical School, Worcester, MA 01605, USA
| | - Jan Cerny
- Division of Hematology/Oncology, Department of Medicine, University of Massachusetts Medical School, Worcester, MA 01605, USA
| | - Hanna Jean Khoury
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory University, Atlanta, GA 30332, USA
| | - Zhi Sheng
- Virginia Tech Carilion Research Institute, Roanoke, VA 24016, USA. Department of Biomedical Sciences and Pathobiology, Virginia Tech, Blacksburg, VA 24061, USA
| | - Brian J Druker
- Howard Hughes Medical Institute, Knight Cancer Institute, Division of Hematology and Medical Oncology, Oregon Health and Science University, Portland, OR 97239, USA
| | - Shaoguang Li
- Division of Hematology/Oncology, Department of Medicine, University of Massachusetts Medical School, Worcester, MA 01605, USA
| | - Michael R Green
- Howard Hughes Medical Institute, Programs in Gene Function and Expression and Molecular Medicine, University of Massachusetts Medical School, Worcester, MA 01605, USA.
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Li J, Chen Y, Chen B, Chen C, Qiu B, Zheng Z, Zheng J, Liu T, Wang W, Hu J. Inhibition of 32Dp210 cells harboring T315I mutation by a novel derivative of emodin correlates with down-regulation of BCR-ABL and its downstream signaling pathways. J Cancer Res Clin Oncol 2014; 141:283-93. [PMID: 25217883 DOI: 10.1007/s00432-014-1820-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2014] [Accepted: 08/29/2014] [Indexed: 01/23/2023]
Abstract
PURPOSE The clinical outcome of chronic myeloid leukemia (CML) patients has been changed dramatically due to the development of imatinib (IM). However, the emergence of IM resistance, commonly associated with point mutations within the BCR-ABL kinase domain, remains a major clinical problem. Here, we investigated the effects of E35, a novel derivative of emodin, on the IM-resistant 32Dp210-T315I cells. METHODS Cell proliferation was measured by 3-(4,5-dimethylthiazol-2-yl)-2,5 diphenyltetrazolium bromide and colony formation assay. Induction of apoptosis was confirmed by DNA fragmentation assay and annexin V/PI staining assay. Real-time quantitative PCR was used to access the BCR-ABL gene expression. Changes of related signaling molecules were detected through Western blot. RESULTS E35 was found to potently inhibit proliferation of 32Dp210-T315I cells with an average IC50 of 2.4 µM at 48 h. Colony formation was almost fully suppressed in 1.0 μM E35 group. DNA fragmentation and annexin V/PI staining assay exhibited the typical DNA fragmentation and the increased proportion of early apoptotic cells, respectively. The induction of apoptosis was associated with increase of Bax to Bcl-2 expression ratio and activation of caspase cascades involving decrease of pro-caspase 9 and pro-caspase 3 and increase of PARP cleavage. The protein expression of P210(BCR-ABL) and p-P210(BCR-ABL) was down-regulated in the presence of E35, although the mRNA levels remained almost unchanged. Moreover, the activation of the P210(BCR-ABL) downstream signaling pathways including CrkL, Akt/mTOR and MEK/ERK was fully suppressed by E35. CONCLUSION Our study indicated that E35 might be a potential antileukemia agent against IM resistance in CML.
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MESH Headings
- Apoptosis/drug effects
- Benzamides/pharmacology
- Blotting, Western
- Cell Proliferation/drug effects
- Colony-Forming Units Assay
- Down-Regulation
- Drug Resistance, Neoplasm/drug effects
- Emodin/chemistry
- Emodin/pharmacology
- Fusion Proteins, bcr-abl/antagonists & inhibitors
- Fusion Proteins, bcr-abl/genetics
- Fusion Proteins, bcr-abl/metabolism
- Humans
- Imatinib Mesylate
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/drug therapy
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/metabolism
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/pathology
- Mutation/genetics
- Piperazines/pharmacology
- Protein Kinase Inhibitors/pharmacology
- Pyrimidines/pharmacology
- RNA, Messenger/genetics
- Real-Time Polymerase Chain Reaction
- Reverse Transcriptase Polymerase Chain Reaction
- Signal Transduction/drug effects
- Tumor Cells, Cultured
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Affiliation(s)
- Jing Li
- Fujian Institute of Hematology, Fujian Provincial Key Laboratory of Hematology, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, 350001, Fujian, China
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78495111110.3390/cancers6031769" />
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Housman G, Byler S, Heerboth S, Lapinska K, Longacre M, Snyder N, Sarkar S. Drug resistance in cancer: an overview. Cancers (Basel) 2014; 6:1769-92. [PMID: 25198391 PMCID: PMC4190567 DOI: 10.3390/cancers6031769] [Citation(s) in RCA: 1502] [Impact Index Per Article: 150.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2014] [Revised: 08/25/2014] [Accepted: 08/29/2014] [Indexed: 02/06/2023] Open
Abstract
Cancers have the ability to develop resistance to traditional therapies, and the increasing prevalence of these drug resistant cancers necessitates further research and treatment development. This paper outlines the current knowledge of mechanisms that promote or enable drug resistance, such as drug inactivation, drug target alteration, drug efflux, DNA damage repair, cell death inhibition, and the epithelial-mesenchymal transition, as well as how inherent tumor cell heterogeneity plays a role in drug resistance. It also describes the epigenetic modifications that can induce drug resistance and considers how such epigenetic factors may contribute to the development of cancer progenitor cells, which are not killed by conventional cancer therapies. Lastly, this review concludes with a discussion on the best treatment options for existing drug resistant cancers, ways to prevent the formation of drug resistant cancers and cancer progenitor cells, and future directions of study.
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Affiliation(s)
- Genevieve Housman
- School of Human Evolution and Social Change, Arizona State University, Tempe, AZ 85287, USA.
| | - Shannon Byler
- Cancer Center, Department of Medicine, Boston University School of Medicine, Boston, MA 02118, USA.
| | - Sarah Heerboth
- Cancer Center, Department of Medicine, Boston University School of Medicine, Boston, MA 02118, USA.
| | - Karolina Lapinska
- Cancer Center, Department of Medicine, Boston University School of Medicine, Boston, MA 02118, USA.
| | | | - Nicole Snyder
- Cancer Center, Department of Medicine, Boston University School of Medicine, Boston, MA 02118, USA.
| | - Sibaji Sarkar
- Cancer Center, Department of Medicine, Boston University School of Medicine, Boston, MA 02118, USA.
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Bu Q, Cui L, Li J, Du X, Zou W, Ding K, Pan J. SAHA and S116836, a novel tyrosine kinase inhibitor, synergistically induce apoptosis in imatinib-resistant chronic myelogenous leukemia cells. Cancer Biol Ther 2014; 15:951-62. [PMID: 24759597 DOI: 10.4161/cbt.28931] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Limited treatment options are available for chronic myelogenous leukemia (CML) patients who develop imatinib mesylate (IM) resistance. Here we proposed a novel combination regimen, a co-administration of S116836, a novel small molecule multi-targeted tyrosine kinase inhibitor that was synthesized by rational design, and histone deacetylases inhibitor (HDACi) suberoylanilide hydroxamic acid (SAHA), to overcome IM resistance in CML. S116836 at low concentrations used in the present study mildly downregulates auto-tyrosine phosphorylation of Bcr-Abl. SAHA, an FDA-approved HDACi drug, at 1 μM has modest anti-tumor activity in treating CML. However, we found a synergistic interaction between SAHA and S116836 in Bcr-Abl-positive CML cells that were sensitive or resistant to IM. Exposure of KBM5 and KBM5-T315I cells to minimal or non-toxic concentrations of SAHA and S116836 synergistically reduced cell viability and induced cell death. Co-treatment with SAHA and S116838 repressed the expressions of anti-apoptosis proteins, such as Mcl-1 and XIAP, but promoted Bim expression and mitochondrial damage. Of importance, treatment with both drugs significantly reduced cell viability of primary human CML cells, as compared with either agent alone. Taken together, our findings suggest that SAHA exerts synergistically with S116836 at a non-toxic concentration to promote apoptosis in the CML, including those resistant to imatinib or dasatinib.
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Affiliation(s)
- Qiangui Bu
- Department of Pathophysiology; Zhongshan School of Medicine; Sun Yat-sen University; Guangzhou, PR China
| | - Lijing Cui
- Department of Pathophysiology; Zhongshan School of Medicine; Sun Yat-sen University; Guangzhou, PR China
| | - Juan Li
- Department of Hematology; The First Affiliated Hospital; Sun Yat-sen University; Guangzhou, PR China
| | - Xin Du
- Department of Hematology; Guangdong Provincial People's Hospital; Guangzhou, PR China
| | - Waiyi Zou
- Department of Hematology; The First Affiliated Hospital; Sun Yat-sen University; Guangzhou, PR China
| | - Ke Ding
- Key Laboratory of Regenerative Biology and Institute of Chemical Biology; Guangzhou Institute of Biomedicine and Health; Chinese Academy of Sciences; Guangzhou, PR China
| | - Jingxuan Pan
- Department of Pathophysiology; Zhongshan School of Medicine; Sun Yat-sen University; Guangzhou, PR China; State Key Laboratory of Ophthalmology; Zhongshan Ophthalmic Center; Sun Yat-sen University; Guangzhou, PR China; Collaborative Innovation Center for Cancer Medicine; State Key Laboratory of Oncology in South China; Sun Yat-Sen University Cancer Center; Guangzhou, PR China
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Li X, Miao H, Zhang Y, Li W, Li Z, Zhou Y, Zhao L, Guo Q. Bone marrow microenvironment confers imatinib resistance to chronic myelogenous leukemia and oroxylin A reverses the resistance by suppressing Stat3 pathway. Arch Toxicol 2014; 89:121-36. [DOI: 10.1007/s00204-014-1226-6] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2013] [Accepted: 03/10/2014] [Indexed: 11/30/2022]
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Kusio-Kobialka M, Podszywalow-Bartnicka P, Peidis P, Glodkowska-Mrowka E, Wolanin K, Leszak G, Seferynska I, Stoklosa T, Koromilas AE, Piwocka K. The PERK-eIF2α phosphorylation arm is a pro-survival pathway of BCR-ABL signaling and confers resistance to imatinib treatment in chronic myeloid leukemia cells. Cell Cycle 2012; 11:4069-78. [PMID: 23095523 PMCID: PMC3507502 DOI: 10.4161/cc.22387] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Activation of adaptive mechanisms plays a crucial role in cancer progression and drug resistance by allowing cell survival under stressful conditions. Therefore, inhibition of the adaptive response is considered as a prospective therapeutic strategy. The PERK-eIF2α phosphorylation pathway is an important arm of the unfolded protein response (UPR), which is induced under conditions of endoplasmic reticulum (ER) stress. Our previous work showed that ER stress is induced in chronic myeloid leukemia (CML) cells. Herein, we demonstrate that the PERK-eIF2α phosphorylation pathway is upregulated in CML cell lines and CD34+ cells from CML patients and is associated with CML progression and imatinib resistance. We also show that induction of apoptosis by imatinib results in the downregulation of the PERK-eIF2α phosphorylation arm. Furthermore, we demonstrate that inactivation of the PERK-eIF2α phosphorylation arm decreases the clonogenic and proliferative capacities of CML cells and sensitizes them to death by imatinib. These findings provide evidence for a pro-survival role of PERK-eIF2α phosphorylation arm that contributes to CML progression and development of imatinib resistance. Thus, the PERK-eIF2α phosphorylation arm may represent a suitable target for therapeutic intervention for CML disease.
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Liu L, Wang S, Chen R, Wu Y, Zhang B, Huang S, Zhang J, Xiao F, Wang M, Liang Y. Myc induced miR-144/451 contributes to the acquired imatinib resistance in chronic myelogenous leukemia cell K562. Biochem Biophys Res Commun 2012; 425:368-73. [DOI: 10.1016/j.bbrc.2012.07.098] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2012] [Accepted: 07/19/2012] [Indexed: 01/29/2023]
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A comparative proteomic study identified LRPPRC and MCM7 as putative actors in imatinib mesylate cross-resistance in Lucena cell line. Proteome Sci 2012; 10:23. [PMID: 22458888 PMCID: PMC3361502 DOI: 10.1186/1477-5956-10-23] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2011] [Accepted: 03/30/2012] [Indexed: 11/23/2022] Open
Abstract
Background Although chronic myeloid leukemia (CML) treatment has improved since the introduction of imatinib mesylate (IM), cases of resistance have been reported. This resistance has been associated with the emergence of multidrug resistance (MDR) phenotype, as a BCR-ABL independent mechanism. The classic pathway studied in MDR promotion is ATP-binding cassette (ABC) family transporters expression, but other mechanisms that drive drug resistance are largely unknown. To better understand IM therapy relapse due to the rise of MDR, we compared the proteomic profiles of K562 and Lucena (K562/VCR) cells. Results The use of 2-DE coupled with a MS approach resulted in the identification of 36 differentially expressed proteins. Differential mRNA levels of leucine-rich PPR motif-containing (LRPPRC) protein, minichromosome maintenance complex component 7 (MCM7) and ATP-binding cassette sub-family B (MDR/TAP) member 1 (ABCB1) were capable of defining samples from CML patients as responsive or resistant to therapy. Conclusions Through the data presented in this work, we show the relevance of MDR to IM therapy. In addition, our proteomic approach identified candidate actors involved in resistance, which could lead to additional information on BCR-ABL-independent molecular mechanisms.
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Nambu T, Hamada A, Nakashima R, Yuki M, Kawaguchi T, Mitsuya H, Saito H. Association of SLCO1B3 polymorphism with intracellular accumulation of imatinib in leukocytes in patients with chronic myeloid leukemia. Biol Pharm Bull 2011; 34:114-9. [PMID: 21212528 DOI: 10.1248/bpb.34.114] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Intracellular concentration of imatinib in leukemic cells is thought to affect the clinical efficacy of this drug in patients with chronic myeloid leukemia (CML); however, there is no report that directly indicates the relationship between intracellular concentration and clinical outcome and/or, plasma concentration. In addition, the impacts of genetic variations of drug transporters, which mediate leukocyte concentration of imatinib, are unknown. In the present study, we investigated the correlation between intracellular imatinib concentrations in leukocytes, plasma imatinib levels, and genotypes of drug transporters, including ATP binding cassette B1 (ABCB), ABCG2, solute carrier 22A1 (SLC22A1), solute carrier organic anion transporter family members 1B1 (SLCO1B1) and SLCO1B3. The imatinib levels in leukocytes were determined using HPLC in 15 patients with chronic phase CML. No significant correlation between intracellular and plasma concentrations of imatinib was observed. The intracellular concentration was comparable in both patients with or without complete cytogenetic response. The intracellular imatinib concentration was significantly higher in patients with SLCO1B3 334TT than in those with 334TG/GG (p=0.0188). Plasma concentrations were similar in both SLCO1B3 genotypes (p=0.860), thereby resulting in the intracellular to plasma concentration ratio being higher in patients with SLCO1B3 334TT than those with 334 TG/GG (p=0.0502). These results suggested that the SLCO1B3 334T>G polymorphism could have a significant impact on the intracellular concentration of imatinib in leukocytes as a promising biomarker for personalized treatment of CML patients.
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Affiliation(s)
- Takeru Nambu
- Department of Clinical Pharmaceutical Sciences, Graduate School of Pharmaceutical Sciences, Kumamoto University, Japan
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Colavita I, Esposito N, Martinelli R, Catanzano F, Melo JV, Pane F, Ruoppolo M, Salvatore F. Gaining insights into the Bcr-Abl activity-independent mechanisms of resistance to imatinib mesylate in KCL22 cells: a comparative proteomic approach. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2010; 1804:1974-87. [PMID: 20417730 DOI: 10.1016/j.bbapap.2010.04.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2009] [Revised: 03/26/2010] [Accepted: 04/15/2010] [Indexed: 11/18/2022]
Abstract
Imatinib mesylate is a potent inhibitor of Bcr-Abl tyrosine kinase, an oncoprotein that plays a key role in the development of chronic myeloid leukemia. Consequently, imatinib is used as front-line therapy for this disease. A major concern in imatinib treatment is the emergence of resistance to the drug. Here we used the imatinib-resistant KCL22R and imatinib-sensitive KCL22S cells in which none of the known resistance mechanisms has been detected and hence novel Bcr-Abl activity-independent mechanisms could be envisaged. We characterized proteins that were differentially expressed between the KCL22R and KCL22S cells. Using two-dimensional differential gel electrophoresis coupled with mass spectrometry and Western blot analysis we identified 51 differentially expressed proteins: 27 were over-expressed and 24 were under-expressed in KCL22R versus KCL22S cells. Several of these proteins are likely to be involved in such survival mechanisms as modulation of redox balance and activation of anti-apoptotic pathways mediated by NF-kappaB and Ras-MAPK signaling. The data reported may be useful for further studies on mechanisms of imatinib resistance and for the screening of biomarkers to develop new combinatorial therapeutic approaches.
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MESH Headings
- Antineoplastic Agents/therapeutic use
- Benzamides
- Biomarkers, Tumor/metabolism
- Blotting, Western
- Drug Resistance, Neoplasm
- Electrophoresis, Gel, Two-Dimensional
- Fusion Proteins, bcr-abl/genetics
- Fusion Proteins, bcr-abl/metabolism
- Glutathione/metabolism
- Humans
- Imatinib Mesylate
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/drug therapy
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/pathology
- NADP/metabolism
- Piperazines/therapeutic use
- Proteome/analysis
- Pyrimidines/therapeutic use
- RNA, Messenger/genetics
- Reverse Transcriptase Polymerase Chain Reaction
- Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
- Tumor Cells, Cultured
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