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Rothenburger T, Thomas D, Schreiber Y, Wratil PR, Pflantz T, Knecht K, Digianantonio K, Temple J, Schneider C, Baldauf HM, McLaughlin KM, Rothweiler F, Bilen B, Farmand S, Bojkova D, Costa R, Ferreirós N, Geisslinger G, Oellerich T, Xiong Y, Keppler OT, Wass MN, Michaelis M, Cinatl J. Differences between intrinsic and acquired nucleoside analogue resistance in acute myeloid leukaemia cells. J Exp Clin Cancer Res 2021; 40:317. [PMID: 34641952 PMCID: PMC8507139 DOI: 10.1186/s13046-021-02093-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 09/01/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND SAMHD1 mediates resistance to anti-cancer nucleoside analogues, including cytarabine, decitabine, and nelarabine that are commonly used for the treatment of leukaemia, through cleavage of their triphosphorylated forms. Hence, SAMHD1 inhibitors are promising candidates for the sensitisation of leukaemia cells to nucleoside analogue-based therapy. Here, we investigated the effects of the cytosine analogue CNDAC, which has been proposed to be a SAMHD1 inhibitor, in the context of SAMHD1. METHODS CNDAC was tested in 13 acute myeloid leukaemia (AML) cell lines, in 26 acute lymphoblastic leukaemia (ALL) cell lines, ten AML sublines adapted to various antileukaemic drugs, 24 single cell-derived clonal AML sublines, and primary leukaemic blasts from 24 AML patients. Moreover, 24 CNDAC-resistant sublines of the AML cell lines HL-60 and PL-21 were established. The SAMHD1 gene was disrupted using CRISPR/Cas9 and SAMHD1 depleted using RNAi, and the viral Vpx protein. Forced DCK expression was achieved by lentiviral transduction. SAMHD1 promoter methylation was determined by PCR after treatment of genomic DNA with the methylation-sensitive HpaII endonuclease. Nucleoside (analogue) triphosphate levels were determined by LC-MS/MS. CNDAC interaction with SAMHD1 was analysed by an enzymatic assay and by crystallisation. RESULTS Although the cytosine analogue CNDAC was anticipated to inhibit SAMHD1, SAMHD1 mediated intrinsic CNDAC resistance in leukaemia cells. Accordingly, SAMHD1 depletion increased CNDAC triphosphate (CNDAC-TP) levels and CNDAC toxicity. Enzymatic assays and crystallisation studies confirmed CNDAC-TP to be a SAMHD1 substrate. In 24 CNDAC-adapted acute myeloid leukaemia (AML) sublines, resistance was driven by DCK (catalyses initial nucleoside phosphorylation) loss. CNDAC-adapted sublines displayed cross-resistance only to other DCK substrates (e.g. cytarabine, decitabine). Cell lines adapted to drugs not affected by DCK or SAMHD1 remained CNDAC sensitive. In cytarabine-adapted AML cells, increased SAMHD1 and reduced DCK levels contributed to cytarabine and CNDAC resistance. CONCLUSION Intrinsic and acquired resistance to CNDAC and related nucleoside analogues are driven by different mechanisms. The lack of cross-resistance between SAMHD1/ DCK substrates and non-substrates provides scope for next-line therapies after treatment failure.
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Affiliation(s)
- Tamara Rothenburger
- Institute for Medical Virology, Goethe-University, Frankfurt am Main, Germany
- Faculty of Biological Sciences, Goethe-University, Frankfurt am Main, Germany
| | - Dominique Thomas
- Pharmazentrum frankfurt/ZAFES, Institute of Clinical Pharmacology, Goethe University of Frankfurt, Frankfurt, Germany
| | - Yannick Schreiber
- Pharmazentrum frankfurt/ZAFES, Institute of Clinical Pharmacology, Goethe University of Frankfurt, Frankfurt, Germany
| | - Paul R Wratil
- Max von Pettenkofer Institute & Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, LMU München, Munich, Germany
- German Center for Infection Research (DZIF), Partner Site Munich, Munich, Germany
| | - Tamara Pflantz
- Max von Pettenkofer Institute & Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, LMU München, Munich, Germany
- German Center for Infection Research (DZIF), Partner Site Munich, Munich, Germany
| | - Kirsten Knecht
- Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT, USA
| | - Katie Digianantonio
- Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT, USA
| | - Joshua Temple
- Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT, USA
| | - Constanze Schneider
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Hanna-Mari Baldauf
- Max von Pettenkofer Institute & Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, LMU München, Munich, Germany
| | | | - Florian Rothweiler
- Institute for Medical Virology, Goethe-University, Frankfurt am Main, Germany
| | - Berna Bilen
- Faculty of Biological Sciences, Goethe-University, Frankfurt am Main, Germany
| | - Samira Farmand
- Faculty of Biological Sciences, Goethe-University, Frankfurt am Main, Germany
| | - Denisa Bojkova
- Institute for Medical Virology, Goethe-University, Frankfurt am Main, Germany
| | - Rui Costa
- Institute for Medical Virology, Goethe-University, Frankfurt am Main, Germany
| | - Nerea Ferreirós
- Pharmazentrum frankfurt/ZAFES, Institute of Clinical Pharmacology, Goethe University of Frankfurt, Frankfurt, Germany
| | - Gerd Geisslinger
- Pharmazentrum frankfurt/ZAFES, Institute of Clinical Pharmacology, Goethe University of Frankfurt, Frankfurt, Germany
- Fraunhofer Institute for Molecular Biology and Applied Ecology (IME), Project group Translational Medicine and Pharmacology (TMP), Frankfurt am Main, Germany
| | - Thomas Oellerich
- Department of Hematology/Oncology, Goethe-University, Frankfurt am Main, Germany
- Molecular Diagnostics Unit, Frankfurt Cancer Institute, Frankfurt am Main, Germany
- German Cancer Consortium/German Cancer Research Center, Heidelberg, Germany
| | - Yong Xiong
- Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT, USA
| | - Oliver T Keppler
- Max von Pettenkofer Institute & Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, LMU München, Munich, Germany
- German Center for Infection Research (DZIF), Partner Site Munich, Munich, Germany
| | - Mark N Wass
- School of Biosciences, University of Kent, Canterbury, UK
| | | | - Jindrich Cinatl
- Institute for Medical Virology, Goethe-University, Frankfurt am Main, Germany.
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George SL, Lorenzi F, King D, Hartlieb S, Campbell J, Pemberton H, Toprak UH, Barker K, Tall J, da Costa BM, van den Boogaard ML, Dolman MEM, Molenaar JJ, Bryant HE, Westermann F, Lord CJ, Chesler L. Therapeutic vulnerabilities in the DNA damage response for the treatment of ATRX mutant neuroblastoma. EBioMedicine 2020; 59:102971. [PMID: 32846370 PMCID: PMC7452577 DOI: 10.1016/j.ebiom.2020.102971] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 08/07/2020] [Accepted: 08/07/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND In neuroblastoma, genetic alterations in ATRX, define a distinct poor outcome patient subgroup. Despite the need for new therapies, there is a lack of available models and a dearth of pre-clinical research. METHODS To evaluate the impact of ATRX loss of function (LoF) in neuroblastoma, we utilized CRISPR-Cas9 gene editing to generate neuroblastoma cell lines isogenic for ATRX. We used these and other models to identify therapeutically exploitable synthetic lethal vulnerabilities associated with ATRX LoF. FINDINGS In isogenic cell lines, we found that ATRX inactivation results in increased DNA damage, homologous recombination repair (HRR) defects and impaired replication fork processivity. In keeping with this, high-throughput compound screening showed selective sensitivity in ATRX mutant cells to multiple PARP inhibitors and the ATM inhibitor KU60019. ATRX mutant cells also showed selective sensitivity to the DNA damaging agents, sapacitabine and irinotecan. HRR deficiency was also seen in the ATRX deleted CHLA-90 cell line, and significant sensitivity demonstrated to olaparib/irinotecan combination therapy in all ATRX LoF models. In-vivo sensitivity to olaparib/irinotecan was seen in ATRX mutant but not wild-type xenografts. Finally, sustained responses to olaparib/irinotecan therapy were seen in an ATRX deleted neuroblastoma patient derived xenograft. INTERPRETATION ATRX LoF results in specific DNA damage repair defects that can be therapeutically exploited. In ATRX LoF models, preclinical sensitivity is demonstrated to olaparib and irinotecan, a combination that can be rapidly translated into the clinic. FUNDING This work was supported by Christopher's Smile, Neuroblastoma UK, Cancer Research UK, and the Royal Marsden Hospital NIHR BRC.
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Affiliation(s)
- Sally L George
- Paediatric Tumour Biology, Division of Clinical Studies, The Institute of Cancer Research, Sutton, Surrey SM2 5NG, United Kingdom; Children and Young People's Unit, Royal Marsden NHS Foundation Trust, Sutton, Surrey SM2 5PT United Kingdom.
| | - Federica Lorenzi
- Paediatric Tumour Biology, Division of Clinical Studies, The Institute of Cancer Research, Sutton, Surrey SM2 5NG, United Kingdom
| | - David King
- Academic Unit of Molecular Oncology, Sheffield Institute for Nucleic Acids (SInFoNiA), Department of Oncology and Metabolism, University of Sheffield, Beech Hill Road, Sheffield S10 2RX, United Kingdom
| | - Sabine Hartlieb
- Neuroblastoma Genomics, Hopp Children`s Cancer Center Heidelberg (KiTZ) & German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - James Campbell
- Bioinformatics Core Facility, The Institute of Cancer Research, London, United Kingdom
| | - Helen Pemberton
- CRUK Gene Function Laboratory and Breast Cancer Now Toby Robins Research Centre, Institute of Cancer Research London, SW3 6JB, United Kingdom
| | - Umut H Toprak
- Neuroblastoma Genomics, Hopp Children`s Cancer Center Heidelberg (KiTZ) & German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Karen Barker
- Paediatric Tumour Biology, Division of Clinical Studies, The Institute of Cancer Research, Sutton, Surrey SM2 5NG, United Kingdom
| | - Jennifer Tall
- Paediatric Tumour Biology, Division of Clinical Studies, The Institute of Cancer Research, Sutton, Surrey SM2 5NG, United Kingdom
| | - Barbara Martins da Costa
- Paediatric Tumour Biology, Division of Clinical Studies, The Institute of Cancer Research, Sutton, Surrey SM2 5NG, United Kingdom
| | | | - M Emmy M Dolman
- Princess Maxima Center for Pediatric Cancer, Utrecht, The Netherlands
| | - Jan J Molenaar
- Princess Maxima Center for Pediatric Cancer, Utrecht, The Netherlands
| | - Helen E Bryant
- Academic Unit of Molecular Oncology, Sheffield Institute for Nucleic Acids (SInFoNiA), Department of Oncology and Metabolism, University of Sheffield, Beech Hill Road, Sheffield S10 2RX, United Kingdom
| | - Frank Westermann
- Neuroblastoma Genomics, Hopp Children`s Cancer Center Heidelberg (KiTZ) & German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Christopher J Lord
- CRUK Gene Function Laboratory and Breast Cancer Now Toby Robins Research Centre, Institute of Cancer Research London, SW3 6JB, United Kingdom
| | - Louis Chesler
- Paediatric Tumour Biology, Division of Clinical Studies, The Institute of Cancer Research, Sutton, Surrey SM2 5NG, United Kingdom; Children and Young People's Unit, Royal Marsden NHS Foundation Trust, Sutton, Surrey SM2 5PT United Kingdom
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Liu X, Jiang Y, Nowak B, Ichikawa S, Ohtawa M, Matsuda A, Plunkett W. Repair of DNA damage induced by the novel nucleoside analogue CNDAG through homologous recombination. Cancer Chemother Pharmacol 2020; 85:661-672. [PMID: 32072218 DOI: 10.1007/s00280-020-04035-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 01/21/2020] [Indexed: 02/03/2023]
Abstract
PURPOSE We postulate that the deoxyguanosine analogue CNDAG [9-(2-C-cyano-2-deoxy-1-β-D-arabino-pentofuranosyl)guanine] likely causes a single-strand break after incorporation into DNA, similar to the action of its cytosine congener CNDAC, and that subsequent DNA replication across the unrepaired nick would generate a double-strand break. This study aimed at identifying cellular responses and repair mechanisms for CNDAG prodrugs, 2-amino-9-(2-C-cyano-2-deoxy-1-β-D-arabino-pentofuranosyl)-6-methoxy purine (6-OMe) and 9-(2-C-cyano-2-deoxy-1-β-D-arabino-pentofuranosyl)-2,6-diaminopurine (6-NH2). Each compound is a substrate for adenosine deaminase, the action of which generates CNDAG. METHODS Growth inhibition assay, clonogenic survival assay, immunoblotting, and cytogenetic analyses (chromosomal aberrations and sister chromatid exchanges) were used to investigate the impact of CNDAG on cell lines. RESULTS The 6-NH2 derivative was selectively potent in T cell malignant cell lines. Both prodrugs caused increased phosphorylation of ATM and its downstream substrates Chk1, Chk2, SMC1, NBS1, and H2AX, indicating activation of ATM-dependent DNA damage response pathways. In contrast, there was no increase in phosphorylation of DNA-PKcs, which participates in repair of double-strand breaks by non-homologous end-joining. Deficiency in ATM, RAD51D, XRCC3, BRCA2, and XPF, but not DNA-PK or p53, conferred significant clonogenic sensitivity to CNDAG or the prodrugs. Moreover, hamster cells lacking XPF acquired remarkably more chromosomal aberrations after incubation for two cell cycle times with CNDAG 6-NH2, compared to the wild type. Furthermore, CNDAG 6-NH2 induced greater levels of sister chromatid exchanges in wild-type cells exposed for two cycles than those for one cycle, consistent with increased double-strand breaks after a second S phase. CONCLUSION CNDAG-induced double-strand breaks are repaired mainly through homologous recombination.
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Affiliation(s)
- Xiaojun Liu
- Department of Experimental Therapeutics, The University of Texas M. D. Anderson Cancer Center, Houston, TX, 77054, USA
- School of Health Professions, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Yingjun Jiang
- Department of Experimental Therapeutics, The University of Texas M. D. Anderson Cancer Center, Houston, TX, 77054, USA
| | - Billie Nowak
- Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan
| | - Satoshi Ichikawa
- Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan
| | - Masaki Ohtawa
- Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan
| | - Akira Matsuda
- Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan
| | - William Plunkett
- Department of Experimental Therapeutics, The University of Texas M. D. Anderson Cancer Center, Houston, TX, 77054, USA.
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Liu X, Jiang Y, Takata KI, Nowak B, Liu C, Wood RD, Hittelman WN, Plunkett W. CNDAC-Induced DNA Double-Strand Breaks Cause Aberrant Mitosis Prior to Cell Death. Mol Cancer Ther 2019; 18:2283-2295. [PMID: 31501277 DOI: 10.1158/1535-7163.mct-18-1380] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 06/14/2019] [Accepted: 09/04/2019] [Indexed: 12/29/2022]
Abstract
Incorporation of the clinically active deoxycytidine analogue 2'-C-cyano-2'-deoxy-1-β-D-arabino-pentofuranosyl-cytosine (CNDAC) into DNA generates single-strand breaks that are subsequently converted to double-strand breaks (DSB). Here, we investigated the cellular manifestations of these breaks that link these mechanisms to cell death, and we further tested the relevance of DNA repair pathways in protection of cells against CNDAC damage. The present investigations demonstrate that following exposure to CNDAC and a wash into drug-free medium, chromosomal aberrations, DNA strand breaks, and multinucleate cells arose. These portended loss of viability and were dependent upon exposure time, CNDAC concentration, and passage through mitosis. Following a pulse incubation with CNDAC, live cell imaging using GFP-tagged histone H2B as a marker demonstrated a normal rate of progression to mitosis, but a concentration-dependent delay in passage to a second mitosis. Progression through mitosis was also delayed and accompanied by formation of multinucleate cells. CNDAC-treated cells lacking XPF-ERCC1 nuclease function showed a 16-fold increase in chromosome aberrations. Chromosomal damage in Rad51D-mutant cells (homologous recombination repair deficient) were even more severely affected with extensive aberrations. Rodent or human Polq (POLQ) mutant cells, defective in Pol θ-mediated alternative end joining, did not show enhanced cellular sensitivity to CNDAC. These findings are consistent with formation of DSBs in the second S-phase following exposure, resulting in chromosome aberrations, aberrant mitoses, and subsequent apoptosis.
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Affiliation(s)
- Xiaojun Liu
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Yingjun Jiang
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Kei-Ichi Takata
- Department of Epigenetics and Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Billie Nowak
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Chaomei Liu
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Richard D Wood
- Department of Epigenetics and Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Walter N Hittelman
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - William Plunkett
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas. .,Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, Texas
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5
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Baloch T, López-Ozuna VM, Wang Q, Matanis E, Kessous R, Kogan L, Yasmeen A, Gotlieb WH. Sequential therapeutic targeting of ovarian Cancer harboring dysfunctional BRCA1. BMC Cancer 2019; 19:44. [PMID: 30630446 PMCID: PMC6327434 DOI: 10.1186/s12885-018-5250-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Accepted: 12/26/2018] [Indexed: 12/19/2022] Open
Abstract
Background Poly (ADP-ribose) polymerase inhibitors (PARPi) have become the first targeted therapies available in the treatment of patients with high-grade serous ovarian cancer (HGSOC). We recently described a significant reduction in PARP1 protein levels in vitro and in vivo in patients treated with standard carboplatinum-paclitaxel chemotherapy, raising the question whether the sequence of treatment used today with chemotherapy followed by PARPi is optimal. In this study, we aim to evaluate if the sequence of PARPi followed by chemotherapy could be more beneficial. Methods BRCA1-mutated (UWB1.287, SNU-251), epigenetically-silenced (OVCAR8), and wild-type (SKOV3, A2780PAR & A2780CR) ovarian cancer cell lines were exposed to clinically relevant doses of PARPi followed by different doses of standard chemotherapy and compared to the inverse treatment. The therapeutic efficacy was assessed using colony formation assays. Flow cytometry was used to evaluate cell apoptosis rate and the changes in cell cycle. Finally, apoptotic and cell cycle protein expression was immunodetected using western blot. Results Exposure to PARPi prior to standard chemotherapy sensitized BRCA1-mutated or epigenetically-silenced BRCA1 cell lines to lower doses of chemotherapy. Similar results were observed in BRCA1 wild-type and cell lines in which BRCA1 functionality was restored. Moreover, this treatment increased the apoptotic rate in these cell lines. Conclusion Pre-treatment with PARPi followed by standard chemotherapy in vitro is more efficient in growth inhibition and induction of apoptosis compared to the administration of standard chemotherapy followed by PARPi. Electronic supplementary material The online version of this article (10.1186/s12885-018-5250-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Tahira Baloch
- Segal Cancer Center, Lady Davis Institute of Medical Research, McGill University, Montreal, QC, Canada.,Department of Experimental Surgery, McGill University, Montreal, QC, Canada
| | - Vanessa M López-Ozuna
- Segal Cancer Center, Lady Davis Institute of Medical Research, McGill University, Montreal, QC, Canada
| | - Qiong Wang
- Segal Cancer Center, Lady Davis Institute of Medical Research, McGill University, Montreal, QC, Canada
| | - Emad Matanis
- Segal Cancer Center, Lady Davis Institute of Medical Research, McGill University, Montreal, QC, Canada
| | - Roy Kessous
- Division of Gynecologic Oncology, Jewish General Hospital, McGill University, 3755 Cote Ste. Catherine Road, Montreal, QC, H3T 1E2, Canada.,Segal Cancer Center, Lady Davis Institute of Medical Research, McGill University, Montreal, QC, Canada
| | - Liron Kogan
- Division of Gynecologic Oncology, Jewish General Hospital, McGill University, 3755 Cote Ste. Catherine Road, Montreal, QC, H3T 1E2, Canada.,Segal Cancer Center, Lady Davis Institute of Medical Research, McGill University, Montreal, QC, Canada
| | - Amber Yasmeen
- Division of Gynecologic Oncology, Jewish General Hospital, McGill University, 3755 Cote Ste. Catherine Road, Montreal, QC, H3T 1E2, Canada. .,Segal Cancer Center, Lady Davis Institute of Medical Research, McGill University, Montreal, QC, Canada.
| | - Walter H Gotlieb
- Division of Gynecologic Oncology, Jewish General Hospital, McGill University, 3755 Cote Ste. Catherine Road, Montreal, QC, H3T 1E2, Canada.,Segal Cancer Center, Lady Davis Institute of Medical Research, McGill University, Montreal, QC, Canada.,Department of Experimental Medicine, McGill University, Montreal, QC, Canada
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