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St Paul M, Saibil SD, Kates M, Han S, Lien SC, Laister RC, Hezaveh K, Kloetgen A, Penny S, Guo T, Garcia-Batres C, Smith LK, Chung DC, Elford AR, Sayad A, Pinto D, Mak TW, Hirano N, McGaha T, Ohashi PS. Ex vivo activation of the GCN2 pathway metabolically reprograms T cells, leading to enhanced adoptive cell therapy. Cell Rep Med 2024; 5:101465. [PMID: 38460518 PMCID: PMC10983112 DOI: 10.1016/j.xcrm.2024.101465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 10/14/2023] [Accepted: 02/15/2024] [Indexed: 03/11/2024]
Abstract
The manipulation of T cell metabolism to enhance anti-tumor activity is an area of active investigation. Here, we report that activating the amino acid starvation response in effector CD8+ T cells ex vivo using the general control non-depressible 2 (GCN2) agonist halofuginone (halo) enhances oxidative metabolism and effector function. Mechanistically, we identified autophagy coupled with the CD98-mTOR axis as key downstream mediators of the phenotype induced by halo treatment. The adoptive transfer of halo-treated CD8+ T cells into tumor-bearing mice led to robust tumor control and curative responses. Halo-treated T cells synergized in vivo with a 4-1BB agonistic antibody to control tumor growth in a mouse model resistant to immunotherapy. Importantly, treatment of human CD8+ T cells with halo resulted in similar metabolic and functional reprogramming. These findings demonstrate that activating the amino acid starvation response with the GCN2 agonist halo can enhance T cell metabolism and anti-tumor activity.
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Affiliation(s)
- Michael St Paul
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Immunology, University of Toronto, Toronto, ON M5S 1C1, Canada
| | - Samuel D Saibil
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Immunology, University of Toronto, Toronto, ON M5S 1C1, Canada.
| | - Meghan Kates
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Immunology, University of Toronto, Toronto, ON M5S 1C1, Canada
| | - SeongJun Han
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Immunology, University of Toronto, Toronto, ON M5S 1C1, Canada
| | - Scott C Lien
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Immunology, University of Toronto, Toronto, ON M5S 1C1, Canada
| | - Rob C Laister
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 2C1, Canada
| | - Kebria Hezaveh
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 2C1, Canada
| | - Andreas Kloetgen
- Department of Computational Biology of Infection Research, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Susanne Penny
- Human Health Therapeutics Research Centre, National Research Council Canada, Halifax, NS, Canada
| | - Tingxi Guo
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Immunology, University of Toronto, Toronto, ON M5S 1C1, Canada
| | - Carlos Garcia-Batres
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 2C1, Canada
| | - Logan K Smith
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 2C1, Canada
| | - Douglas C Chung
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Immunology, University of Toronto, Toronto, ON M5S 1C1, Canada
| | - Alisha R Elford
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 2C1, Canada
| | - Azin Sayad
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 2C1, Canada
| | - Devanand Pinto
- Human Health Therapeutics Research Centre, National Research Council Canada, Halifax, NS, Canada
| | - Tak W Mak
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 2C1, Canada
| | - Naoto Hirano
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Immunology, University of Toronto, Toronto, ON M5S 1C1, Canada
| | - Tracy McGaha
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Immunology, University of Toronto, Toronto, ON M5S 1C1, Canada
| | - Pamela S Ohashi
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Immunology, University of Toronto, Toronto, ON M5S 1C1, Canada.
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Vilbert M, Koch EC, Rose AAN, Laister RC, Gray D, Sotov V, Penny S, Spreafico A, Pinto DM, Butler MO, Saibil SD. Analysis of the Circulating Metabolome of Patients with Cutaneous, Mucosal and Uveal Melanoma Reveals Distinct Metabolic Profiles with Implications for Response to Immunotherapy. Cancers (Basel) 2023; 15:3708. [PMID: 37509369 PMCID: PMC10378038 DOI: 10.3390/cancers15143708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 06/27/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023] Open
Abstract
Cutaneous melanoma (CM) patients respond better to immune checkpoint inhibitors (ICI) than mucosal and uveal melanoma patients (MM/UM). Aiming to explore these differences and understand the distinct response to ICI, we evaluated the serum metabolome of advanced CM, MM, and UM patients. Levels of 115 metabolites were analyzed in samples collected before ICI, using a targeted metabolomics platform. In our analysis, molecules involved in the tryptophan-kynurenine axis distinguished UM/MM from CM. UM/MM patients had higher levels of 3-hydroxykynurenine (3-HKyn), whilst patients with CM were found to have higher levels of kynurenic acid (KA). The KA/3-HKyn ratio was significantly higher in CM versus the other subtypes. UM, the most ICI-resistant subtype, was also associated with higher levels of sphingomyelin-d18:1/22:1 and the polyamine spermine (SPM). Overall survival was prolonged in a cohort of CM patients with lower SPM levels, suggesting there are also conserved metabolic factors promoting ICI resistance across melanoma subtypes. Our study revealed a distinct metabolomic profile between the most resistant melanoma subtypes, UM and MM, compared to CM. Alterations within the kynurenine pathway, polyamine metabolism, and sphingolipid metabolic pathway may contribute to the poor response to ICI. Understanding the different metabolomic profiles introduces opportunities for novel therapies with potential synergic activity to ICI, to improve responses of UM/MM.
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Affiliation(s)
- Maysa Vilbert
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2M9, Canada
- Department of Medicine, Division of Medical Oncology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Erica C Koch
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2M9, Canada
- Department of Medicine, Division of Medical Oncology, University of Toronto, Toronto, ON M5S 1A8, Canada
- Department of Hematology and Oncology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago 8331150, Chile
| | - April A N Rose
- Department of Oncology, Jewish General Hospital, Lady Davis Institute, McGill University, Montréal, QC H3G 2M1, Canada
| | - Rob C Laister
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2M9, Canada
| | - Diana Gray
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2M9, Canada
| | - Valentin Sotov
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2M9, Canada
| | - Susanne Penny
- National Research Council, Human Health Therapeutics, Halifax, NS B3H 3Y8, Canada
| | - Anna Spreafico
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2M9, Canada
- Department of Medicine, Division of Medical Oncology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Devanand M Pinto
- National Research Council, Human Health Therapeutics, Halifax, NS B3H 3Y8, Canada
| | - Marcus O Butler
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2M9, Canada
- Department of Medicine, Division of Medical Oncology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Samuel D Saibil
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2M9, Canada
- Department of Medicine, Division of Medical Oncology, University of Toronto, Toronto, ON M5S 1A8, Canada
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Bahlmann LC, Xue C, Chin AA, Skirzynska A, Lu J, Thériault B, Uehling D, Yerofeyeva Y, Peters R, Liu K, Chen J, Martel AL, Yaffe M, Al-Awar R, Goswami RS, Ylanko J, Andrews DW, Kuruvilla J, Laister RC, Shoichet MS. Targeting tumour-associated macrophages in hodgkin lymphoma using engineered extracellular matrix-mimicking cryogels. Biomaterials 2023; 297:122121. [PMID: 37075613 DOI: 10.1016/j.biomaterials.2023.122121] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 03/08/2023] [Accepted: 04/06/2023] [Indexed: 04/21/2023]
Abstract
Tumour-associated macrophages are linked with poor prognosis and resistance to therapy in Hodgkin lymphoma; however, there are no suitable preclinical models to identify macrophage-targeting therapeutics. We used primary human tumours to guide the development of a mimetic cryogel, wherein Hodgkin (but not Non-Hodgkin) lymphoma cells promoted primary human macrophage invasion. In an invasion inhibitor screen, we identified five drug hits that significantly reduced tumour-associated macrophage invasion: marimastat, batimastat, AS1517499, ruxolitinib, and PD-169316. Importantly, ruxolitinib has demonstrated recent success in Hodgkin lymphoma clinical trials. Both ruxolitinib and PD-169316 (a p38 mitogen-activated protein kinase (p38 MAPK) inhibitor) decreased the percent of M2-like macrophages; however, only PD-169316 enhanced the percentage of M1-like macrophages. We validated p38 MAPK as an anti-invasion drug target with five additional drugs using a high-content imaging platform. With our biomimetic cryogel, we modeled macrophage invasion in Hodgkin lymphoma and then used it for target discovery and drug screening, ultimately identifying potential future therapeutics.
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Affiliation(s)
- Laura C Bahlmann
- Institute of Biomedical Engineering, 164 College Street, Toronto, Ontario, M5S 3G9, Canada; The Donnelly Centre, University of Toronto, Toronto, 160 College St, Ontario, M5S 3E1, Canada
| | - Chang Xue
- Institute of Biomedical Engineering, 164 College Street, Toronto, Ontario, M5S 3G9, Canada; The Donnelly Centre, University of Toronto, Toronto, 160 College St, Ontario, M5S 3E1, Canada
| | - Allysia A Chin
- The Donnelly Centre, University of Toronto, Toronto, 160 College St, Ontario, M5S 3E1, Canada; Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario, M5S 3E5, Canada
| | - Arianna Skirzynska
- Institute of Biomedical Engineering, 164 College Street, Toronto, Ontario, M5S 3G9, Canada; The Donnelly Centre, University of Toronto, Toronto, 160 College St, Ontario, M5S 3E1, Canada; Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario, M5S 3E5, Canada
| | - Joy Lu
- Institute of Biomedical Engineering, 164 College Street, Toronto, Ontario, M5S 3G9, Canada; The Donnelly Centre, University of Toronto, Toronto, 160 College St, Ontario, M5S 3E1, Canada
| | - Brigitte Thériault
- Drug Discovery Program, Ontario Institute of Cancer Research, 661 University Ave Suite 510, Toronto, Ontario, M5G 0A3, Canada
| | - David Uehling
- Drug Discovery Program, Ontario Institute of Cancer Research, 661 University Ave Suite 510, Toronto, Ontario, M5G 0A3, Canada
| | - Yulia Yerofeyeva
- Biomarker Imaging Research Laboratory, Sunnybrook Research Institute, 2075 Bayview Ave, Toronto, Ontario, M4N 3M5, Canada
| | - Rachel Peters
- Biomarker Imaging Research Laboratory, Sunnybrook Research Institute, 2075 Bayview Ave, Toronto, Ontario, M4N 3M5, Canada
| | - Kela Liu
- Biomarker Imaging Research Laboratory, Sunnybrook Research Institute, 2075 Bayview Ave, Toronto, Ontario, M4N 3M5, Canada
| | - Jianan Chen
- Department of Medical Biophysics, University of Toronto, 101 College St Suite 15-701, Toronto, Ontario, M5G 1L7, Canada
| | - Anne L Martel
- Department of Medical Biophysics, University of Toronto, 101 College St Suite 15-701, Toronto, Ontario, M5G 1L7, Canada; Physical Sciences, Odette Cancer Research Program, Sunnybrook Research Institute, 2075 Bayview Ave, Toronto, Ontario, M4N 3M5, Canada
| | - Martin Yaffe
- Department of Medical Biophysics, University of Toronto, 101 College St Suite 15-701, Toronto, Ontario, M5G 1L7, Canada; Physical Sciences, Odette Cancer Research Program, Sunnybrook Research Institute, 2075 Bayview Ave, Toronto, Ontario, M4N 3M5, Canada
| | - Rima Al-Awar
- Drug Discovery Program, Ontario Institute of Cancer Research, 661 University Ave Suite 510, Toronto, Ontario, M5G 0A3, Canada; Department of Pharmacology & Toxicology, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada
| | - Rashmi S Goswami
- Biological Sciences, Odette Cancer Research Program, Sunnybrook Research Institute, 2075 Bayview Ave, Toronto, Ontario, M4N 3M5, Canada; Department of Laboratory Medicine and Molecular Diagnostics, Sunnybrook Health Sciences Centre, 2075 Bayview Ave, Toronto, Ontario, M4N 3M5, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, 1 King's College Circle, Toronto, Ontario, M5S 1A8, Canada
| | - Jarkko Ylanko
- Biological Sciences, Odette Cancer Research Program, Sunnybrook Research Institute, 2075 Bayview Ave, Toronto, Ontario, M4N 3M5, Canada
| | - David W Andrews
- Department of Medical Biophysics, University of Toronto, 101 College St Suite 15-701, Toronto, Ontario, M5G 1L7, Canada; Biological Sciences, Odette Cancer Research Program, Sunnybrook Research Institute, 2075 Bayview Ave, Toronto, Ontario, M4N 3M5, Canada; Department of Biochemistry, University of Toronto, 1 King's College Circle, Toronto, Ontario, M5S 1A8, Canada
| | - John Kuruvilla
- Princess Margaret Cancer Centre, University Health Network, 610 University Ave, Toronto, Ontario, M5G 2C1, Canada
| | - Rob C Laister
- Princess Margaret Cancer Centre, University Health Network, 610 University Ave, Toronto, Ontario, M5G 2C1, Canada.
| | - Molly S Shoichet
- Institute of Biomedical Engineering, 164 College Street, Toronto, Ontario, M5S 3G9, Canada; The Donnelly Centre, University of Toronto, Toronto, 160 College St, Ontario, M5S 3E1, Canada; Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario, M5S 3E5, Canada; Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada.
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Trkulja KL, Manji F, Kuruvilla J, Laister RC. Nuclear Export in Non-Hodgkin Lymphoma and Implications for Targeted XPO1 Inhibitors. Biomolecules 2023; 13:111. [PMID: 36671496 PMCID: PMC9855521 DOI: 10.3390/biom13010111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 12/21/2022] [Accepted: 12/24/2022] [Indexed: 01/06/2023] Open
Abstract
Exportin-1 (XPO1) is a key player in the nuclear export pathway and is overexpressed in almost all cancers. This is especially relevant for non-Hodgkin lymphoma (NHL), where high XPO1 expression is associated with poor prognosis due to its oncogenic role in exporting proteins and RNA that are involved in cancer progression and treatment resistance. Here, we discuss the proteins and RNA transcripts that have been identified as XPO1 cargo in NHL lymphoma including tumour suppressors, immune modulators, and transcription factors, and their implications for oncogenesis. We then highlight the research to date on XPO1 inhibitors such as selinexor and other selective inhibitors of nuclear export (SINEs), which are used to treat some cases of non-Hodgkin lymphoma. In vitro, in vivo, and clinical studies investigating the anti-cancer effects of SINEs from bench to bedside, both as a single agent and in combination, are also reported. Finally, we discuss the limitations of the current research landscape and future directions to better understand and improve the clinical utility of SINE compounds in NHL.
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Affiliation(s)
- Kyla L. Trkulja
- Institute of Medical Science, University of Toronto, 27 King’s College Circle, Toronto, ON M5S 1A1, Canada
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University Health Network, 610 University Avenue, Toronto, ON M5G 2C1, Canada
| | - Farheen Manji
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University Health Network, 610 University Avenue, Toronto, ON M5G 2C1, Canada
| | - John Kuruvilla
- Institute of Medical Science, University of Toronto, 27 King’s College Circle, Toronto, ON M5S 1A1, Canada
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University Health Network, 610 University Avenue, Toronto, ON M5G 2C1, Canada
| | - Rob C. Laister
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University Health Network, 610 University Avenue, Toronto, ON M5G 2C1, Canada
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Oppegaard KR, Armstrong TS, Anguera JA, Kober KM, Debr LK, Laister RC, Saligan LN, Ayala AP, Kuruvilla J, Alm MW, Byker WH, Miaskowski C, Mayo SJ. Blood-Based Biomarkers of Cancer-Related Cognitive Impairment in Non-Central Nervous System Cancer: A Scoping Review. Crit Rev Oncol Hematol 2022; 180:103822. [PMID: 36152911 DOI: 10.1016/j.critrevonc.2022.103822] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 09/17/2022] [Accepted: 09/19/2022] [Indexed: 11/24/2022] Open
Abstract
This scoping review was designed to synthesize the extant literature on associations between subjective and/or objective measures of cancer-related cognitive impairment (CRCI) and blood-based biomarkers in adults with non-central nervous system cancers. The literature search was done for studies published from the start of each database searched (i.e., MEDLINE, Embase, PsycINFO, Cumulative Index to Nursing and Allied Health Literature, Cochrane Central Register of Controlled Trials, grey literature) through to October 20, 2021. A total of 95 studies are included in this review. Of note, a wide variety of biomarkers were evaluated. Most studies evaluated patients with breast cancer. A variety of cognitive assessment measures were used. The most consistent significant findings were with various subjective and objective measures of CRCI and levels of interleukin-6 and tumor necrosis factor. Overall, biomarker research is in an exploratory phase. However, this review synthesizes findings and proposes directions for future research.
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Affiliation(s)
- Kate R Oppegaard
- University of California San Francisco, School of Nursing, Department of Physiological Nursing, USA
| | - Terri S Armstrong
- Neuro-Oncology Branch, National Cancer Institute, National Institutes of Health, USA
| | - Joaquin A Anguera
- University of California San Francisco, Department of Neurology and Psychiatry, USA
| | - Kord M Kober
- University of California San Francisco, School of Nursing, Department of Physiological Nursing, USA
| | - Lynch Kelly Debr
- University of Florida, College of Nursing, USA; University of Florida Health Cancer Center, USA
| | - Rob C Laister
- Princess Margaret Health Center, University Health Network, Canada
| | - Leorey N Saligan
- Symptoms Biology Unit, Division of Intramural Research, National Institutes of Health, USA
| | | | - John Kuruvilla
- Princess Margaret Health Center, University Health Network, Canada
| | - Mark W Alm
- Toronto General Hospital, University Health Network, Canada
| | | | - Christine Miaskowski
- University of California San Francisco, School of Medicine, Department of Anesthesia and Perioperative Care, USA
| | - Samantha J Mayo
- Lawrence S. Bloomberg Faculty of Nursing, University of Toronto, Canada.
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Manji F, Laister RC, Kuruvilla J. An evaluation of pembrolizumab for classical Hodgkin lymphoma. Expert Rev Hematol 2022; 15:285-293. [PMID: 35389317 DOI: 10.1080/17474086.2022.2061947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Pembrolizumab is an immune checkpoint inhibitor (ICI) targeted against the programmed death 1 (PD-1) pathway, a key pathway in the biology of Classical Hodgkin lymphoma (cHL). Anti-PD-1 antibodies are approved for use in relapsed/refractory cHL but ongoing studies continue to optimize the use of this treatment. AREAS COVERED This review highlights recent and established data regarding pembrolizumab in the management of relapsed/refractory cHL and emerging areas of study including translational biology, combinations with chemotherapy and trials earlier in the disease courseExpert Opinion: Pembrolizumab provides superior progression free survival for patients with cHL who relapse post autologous stem cell transplant or who have chemotherapy refractory disease and should be used in these high risk populations. A key challenge remains the development of predictive biomarkers for anti-PD1 antibodies. There is promising evidence of the improved efficacy of salvage chemotherapy regimens and frontline regimens incorporating pembrolizumab but larger randomized studies are needed to demonstrate clear patient benefit.
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Affiliation(s)
- Farheen Manji
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
| | - Rob C Laister
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
| | - John Kuruvilla
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
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7
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St Paul M, Saibil SD, Han S, Israni-Winger K, Lien SC, Laister RC, Sayad A, Penny S, Amaria RN, Haydu LE, Garcia-Batres CR, Kates M, Mulder DT, Robert-Tissot C, Gold MJ, Tran CW, Elford AR, Nguyen LT, Pugh TJ, Pinto DM, Wargo JA, Ohashi PS. Coenzyme A fuels T cell anti-tumor immunity. Cell Metab 2021; 33:2415-2427.e6. [PMID: 34879240 DOI: 10.1016/j.cmet.2021.11.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 09/20/2021] [Accepted: 11/15/2021] [Indexed: 01/23/2023]
Abstract
Metabolic programming is intricately linked to the anti-tumor properties of T cells. To study the metabolic pathways associated with increased anti-tumor T cell function, we utilized a metabolomics approach to characterize three different CD8+ T cell subsets with varying degrees of anti-tumor activity in murine models, of which IL-22-producing Tc22 cells displayed the most robust anti-tumor activity. Tc22s demonstrated upregulation of the pantothenate/coenzyme A (CoA) pathway and a requirement for oxidative phosphorylation (OXPHOS) for differentiation. Exogenous administration of CoA reprogrammed T cells to increase OXPHOS and adopt the CD8+ Tc22 phenotype independent of polarizing conditions via the transcription factors HIF-1α and the aryl hydrocarbon receptor (AhR). In murine tumor models, treatment of mice with the CoA precursor pantothenate enhanced the efficacy of anti-PDL1 antibody therapy. In patients with melanoma, pre-treatment plasma pantothenic acid levels were positively correlated with the response to anti-PD1 therapy. Collectively, our data demonstrate that pantothenate and its metabolite CoA drive T cell polarization, bioenergetics, and anti-tumor immunity.
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Affiliation(s)
- Michael St Paul
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Immunology, University of Toronto, Toronto, ON M5S 1C1, Canada
| | - Samuel D Saibil
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Immunology, University of Toronto, Toronto, ON M5S 1C1, Canada
| | - SeongJun Han
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Immunology, University of Toronto, Toronto, ON M5S 1C1, Canada
| | - Kavita Israni-Winger
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Immunology, University of Toronto, Toronto, ON M5S 1C1, Canada
| | - Scott C Lien
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Immunology, University of Toronto, Toronto, ON M5S 1C1, Canada
| | - Rob C Laister
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada
| | - Azin Sayad
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada
| | - Susanne Penny
- National Research Council, Human Health Therapeutics, Halifax, NS B3H 3Z1, Canada
| | - Rodabe N Amaria
- Department of Melanoma Medical Oncology, MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Lauren E Haydu
- Department of Surgical Oncology, MD Anderson Cancer Center, Houston, TX 77030, USA
| | | | - Meghan Kates
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Immunology, University of Toronto, Toronto, ON M5S 1C1, Canada
| | - David T Mulder
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada
| | - Céline Robert-Tissot
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada
| | - Matthew J Gold
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada
| | - Charles W Tran
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Immunology, University of Toronto, Toronto, ON M5S 1C1, Canada
| | - Alisha R Elford
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada
| | - Linh T Nguyen
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada
| | - Trevor J Pugh
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada
| | - Devanand M Pinto
- National Research Council, Human Health Therapeutics, Halifax, NS B3H 3Z1, Canada
| | - Jennifer A Wargo
- Department of Surgical Oncology, MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Pamela S Ohashi
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Immunology, University of Toronto, Toronto, ON M5S 1C1, Canada.
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8
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Izreig S, Gariepy A, Kaymak I, Bridges HR, Donayo AO, Bridon G, DeCamp LM, Kitchen-Goosen SM, Avizonis D, Sheldon RD, Laister RC, Minden MD, Johnson NA, Duchaine TF, Rudoltz MS, Yoo S, Pollak MN, Williams KS, Jones RG. Repression of LKB1 by miR-17∼92 Sensitizes MYC-Dependent Lymphoma to Biguanide Treatment. Cell Rep Med 2020; 1:100014. [PMID: 32478334 PMCID: PMC7249503 DOI: 10.1016/j.xcrm.2020.100014] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 03/04/2020] [Accepted: 04/21/2020] [Indexed: 12/17/2022]
Abstract
Cancer cells display metabolic plasticity to survive stresses in the tumor microenvironment. Cellular adaptation to energetic stress is coordinated in part by signaling through the liver kinase B1 (LKB1)-AMP-activated protein kinase (AMPK) pathway. Here, we demonstrate that miRNA-mediated silencing of LKB1 confers sensitivity of lymphoma cells to mitochondrial inhibition by biguanides. Using both classic (phenformin) and newly developed (IM156) biguanides, we demonstrate that elevated miR-17∼92 expression in Myc+ lymphoma cells promotes increased apoptosis to biguanide treatment in vitro and in vivo. This effect is driven by the miR-17-dependent silencing of LKB1, which reduces AMPK activation in response to complex I inhibition. Mechanistically, biguanide treatment induces metabolic stress in Myc+ lymphoma cells by inhibiting TCA cycle metabolism and mitochondrial respiration, exposing metabolic vulnerability. Finally, we demonstrate a direct correlation between miR-17∼92 expression and biguanide sensitivity in human cancer cells. Our results identify miR-17∼92 expression as a potential biomarker for biguanide sensitivity in malignancies.
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Affiliation(s)
- Said Izreig
- Goodman Cancer Research Centre, McGill University, Montreal, QC H3A 1A3, Canada
- Department of Physiology, McGill University, Montreal, QC H3G 1Y6, Canada
| | - Alexandra Gariepy
- Goodman Cancer Research Centre, McGill University, Montreal, QC H3A 1A3, Canada
- Department of Physiology, McGill University, Montreal, QC H3G 1Y6, Canada
| | - Irem Kaymak
- Metabolic and Nutritional Programming, Center for Cancer and Cell Biology, Van Andel Institute, Grand Rapids, MI 49503, USA
| | - Hannah R. Bridges
- Medical Research Council Mitochondrial Biology Unit, University of Cambridge, Cambridge CB2 0XY, UK
| | - Ariel O. Donayo
- Goodman Cancer Research Centre, McGill University, Montreal, QC H3A 1A3, Canada
- Department of Biochemistry, McGill University, Montreal, QC H3G 1Y6, Canada
| | - Gaëlle Bridon
- Goodman Cancer Research Centre, McGill University, Montreal, QC H3A 1A3, Canada
- Metabolomics Core Facility, McGill University, Montreal, QC H3A 1A3, Canada
| | - Lisa M. DeCamp
- Metabolic and Nutritional Programming, Center for Cancer and Cell Biology, Van Andel Institute, Grand Rapids, MI 49503, USA
| | - Susan M. Kitchen-Goosen
- Metabolic and Nutritional Programming, Center for Cancer and Cell Biology, Van Andel Institute, Grand Rapids, MI 49503, USA
| | - Daina Avizonis
- Goodman Cancer Research Centre, McGill University, Montreal, QC H3A 1A3, Canada
- Metabolomics Core Facility, McGill University, Montreal, QC H3A 1A3, Canada
| | - Ryan D. Sheldon
- Metabolic and Nutritional Programming, Center for Cancer and Cell Biology, Van Andel Institute, Grand Rapids, MI 49503, USA
| | - Rob C. Laister
- Princess Margaret Cancer Centre, Department of Medical Oncology and Hematology, Toronto, ON M5G 2M9, Canada
| | - Mark D. Minden
- Princess Margaret Cancer Centre, Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 2M9, Canada
| | - Nathalie A. Johnson
- Lady Davis Institute of the Jewish General Hospital and Department of Oncology, McGill University, Montreal, QC H3T 1E2, Canada
| | - Thomas F. Duchaine
- Goodman Cancer Research Centre, McGill University, Montreal, QC H3A 1A3, Canada
- Department of Biochemistry, McGill University, Montreal, QC H3G 1Y6, Canada
| | | | - Sanghee Yoo
- ImmunoMet Therapeutics, Houston, TX 77021, USA
| | - Michael N. Pollak
- Lady Davis Institute of the Jewish General Hospital and Department of Oncology, McGill University, Montreal, QC H3T 1E2, Canada
| | - Kelsey S. Williams
- Metabolic and Nutritional Programming, Center for Cancer and Cell Biology, Van Andel Institute, Grand Rapids, MI 49503, USA
| | - Russell G. Jones
- Goodman Cancer Research Centre, McGill University, Montreal, QC H3A 1A3, Canada
- Department of Physiology, McGill University, Montreal, QC H3G 1Y6, Canada
- Metabolic and Nutritional Programming, Center for Cancer and Cell Biology, Van Andel Institute, Grand Rapids, MI 49503, USA
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9
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Mayo SJ, Kuruvilla J, Laister RC, Ayala AP, Alm M, Byker W, Kelly DL, Saligan L. Blood-based biomarkers of cancer-related cognitive impairment in non-central nervous system cancer: protocol for a scoping review. BMJ Open 2018; 8:e017578. [PMID: 29374660 PMCID: PMC5829658 DOI: 10.1136/bmjopen-2017-017578] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
INTRODUCTION Cancer-related cognitive impairment (CRCI) can have detrimental effects on quality of life, even among patients with non-central nervous system (CNS) cancers. Several studies have been conducted to explore different markers associated with CRCI to understand its pathobiology. It is proposed that the underlying mechanisms of CRCI are related to a cascade of physiological adaptive events in response to cancer and/or treatment. Hence, peripheral blood would be a logical source to observe and identify these physiological events. This paper outlines the protocol for a scoping review being conducted to summarise the extant literature regarding blood-based biomarkers of CRCI among patients with non-CNS cancer. METHODS/ANALYSIS Methods will be informed by the updated guidelines of Arksey and O'Malley. The systematic search for literature will include electronic databases, handsearching of key journals and reference lists, forward citation tracking and consultation with content experts. Study selection will be confirmed by duplicate review and calculation of inter-rater reliability. Data to be charted will include study design, sample size, cancer and treatment characteristics, demographic characteristics, cognitive variable/s and biomarkers assessed, associations between cognitive functioning and biomarkers (including statistics used), and rigour in biomarker sample collection and processing. Results will be presented through: (1) a descriptive numerical summary of studies, including a flow diagram based on the Preferred Reporting Items for Systematic Reviews and Meta-analyses statement, (2) a list of blood-based biomarkers associated with CRCI and (3) a narrative overview developed through collaboration among the research team and consultation with content experts. DISSEMINATION The findings of this review will highlight current directions and gaps in the current body of evidence that may lead to improved rigour in future CRCI investigations. The dissemination of this work will be facilitated through the involvement of clinicians and researchers on the research team, an external consultation process and the presentation of the results through scholarly publication and presentation.
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Affiliation(s)
- Samantha J Mayo
- Lawrence S. Bloomberg Faculty of Nursing, University of Toronto, Toronto, Ontario, Canada
| | - John Kuruvilla
- Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Ontario, Canada
| | - Rob C Laister
- Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Ontario, Canada
| | - Ana Patricia Ayala
- Gerstein Science Information Centre, University of Toronto, Toronto, Ontario, Canada
| | - Mark Alm
- Lawrence S. Bloomberg Faculty of Nursing, University of Toronto, Toronto, Ontario, Canada
| | - Will Byker
- Lawrence S. Bloomberg Faculty of Nursing, University of Toronto, Toronto, Ontario, Canada
| | - Debra Lynch Kelly
- Department of Biobehavioral Nursing Science, College of Nursing, University of Florida, Gainesville, Florida, USA
| | - Leorey Saligan
- Symptoms Biology Unit, Division of Intramural Research, National Institute of Nursing Research, National Institutes of Health, Bethesda, Maryland, USA
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10
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Abstract
The efficient removal of replication and recombination intermediates is essential for the maintenance of genome stability. Resolution of these potentially toxic structures requires the MUS81-EME1 endonuclease, which is activated at prometaphase by formation of the SMX tri-nuclease containing three DNA repair structure-selective endonucleases: SLX1-SLX4, MUS81-EME1, and XPF-ERCC1. Here we show that SMX tri-nuclease is more active than the three individual nucleases, efficiently cleaving replication forks and recombination intermediates. Within SMX, SLX4 co-ordinates the SLX1 and MUS81-EME1 nucleases for Holliday junction resolution, in a reaction stimulated by XPF-ERCC1. SMX formation activates MUS81-EME1 for replication fork and flap structure cleavage by relaxing substrate specificity. Activation involves MUS81's conserved N-terminal HhH domain, which mediates incision site selection and SLX4 binding. Cell cycle-dependent formation and activation of this tri-nuclease complex provides a unique mechanism by which cells ensure chromosome segregation and preserve genome integrity.
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Affiliation(s)
- Haley D M Wyatt
- The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Rob C Laister
- Princess Margaret Cancer Centre and Department of Medical Biophysics, University of Toronto, 101 College Street, Toronto, ON M5G 1L7, Canada
| | - Stephen R Martin
- Structural Biology Science Technology Platform, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Cheryl H Arrowsmith
- Princess Margaret Cancer Centre and Department of Medical Biophysics, University of Toronto, 101 College Street, Toronto, ON M5G 1L7, Canada
| | - Stephen C West
- The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK.
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11
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Seftel MD, Kuruvilla J, Kouroukis T, Banerji V, Fraser G, Crump M, Kumar R, Chalchal HI, Salim M, Laister RC, Crocker S, Gibson SB, Toguchi M, Lyons JF, Xu H, Powers J, Sederias J, Seymour L, Hay AE. The CDK inhibitor AT7519M in patients with relapsed or refractory chronic lymphocytic leukemia (CLL) and mantle cell lymphoma. A Phase II study of the Canadian Cancer Trials Group. Leuk Lymphoma 2016; 58:1358-1365. [PMID: 27750483 DOI: 10.1080/10428194.2016.1239259] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
AT7519M is a small molecule inhibitor of cyclin-dependent kinases 1, 2, 4, 5, and 9 with in vitro activity against lymphoid malignancies. In two concurrent Phase II trials, we evaluated AT7519M in relapsed or refractory chronic lymphocytic leukemia (CLL) and mantle cell lymphoma (MCL) using the recommended Phase II dosing of 27 mg/m2 twice weekly for 2 of every 3 weeks. Primary objective was objective response rate (ORR). Nineteen patients were accrued (7 CLL, 12 MCL). Four CLL patients achieved stable disease (SD). Two MCL patients achieved partial response (PR), and 6 had SD. One additional MCL patient with SD subsequently achieved PR 9 months after completion of AT7519M. Tumor lysis syndrome was not reported. In conclusion, AT7519M was safely administered to patients with relapsed/refractory CLL and MCL. In CLL, some patients had tumor reductions, but the ORR was low. In MCL, activity was noted with ORR of 27%.
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Affiliation(s)
- Matthew D Seftel
- a Department of Medical Oncology and Hematology , CancerCare Manitoba and University of Manitoba , Winnipeg , MB , Canada
| | - John Kuruvilla
- b Department of Medical Oncology and Hematology , Princess Margaret Cancer Centre and University of Toronto , Toronto , ON , Canada
| | - Tom Kouroukis
- c Department of Oncology , Juravinski Cancer Centre and McMaster University , Hamilton , ON , Canada
| | - Versha Banerji
- a Department of Medical Oncology and Hematology , CancerCare Manitoba and University of Manitoba , Winnipeg , MB , Canada
| | - Graeme Fraser
- c Department of Oncology , Juravinski Cancer Centre and McMaster University , Hamilton , ON , Canada
| | - Michael Crump
- b Department of Medical Oncology and Hematology , Princess Margaret Cancer Centre and University of Toronto , Toronto , ON , Canada
| | - Rajat Kumar
- a Department of Medical Oncology and Hematology , CancerCare Manitoba and University of Manitoba , Winnipeg , MB , Canada
| | - Haji I Chalchal
- d Department of Hematology , Allan Blair Cancer Centre , Regina , SK , Canada.,e University of Saskatchewan , Saskatchewan , SK , Canada
| | - Muhammad Salim
- d Department of Hematology , Allan Blair Cancer Centre , Regina , SK , Canada.,e University of Saskatchewan , Saskatchewan , SK , Canada
| | - Rob C Laister
- b Department of Medical Oncology and Hematology , Princess Margaret Cancer Centre and University of Toronto , Toronto , ON , Canada
| | - Susan Crocker
- f Department of Pathology and Molecular Medicine , Queen's University , Kingston , ON , Canada
| | - Spencer B Gibson
- g Research Institute of Oncology and Hematology, CancerCare Manitoba and Department of Biochemistry , University of Manitoba , Winnipeg , MB , Canada
| | | | | | - Hao Xu
- i Canadian Cancer Trials Group , Queen's University , Kingston , ON , Canada
| | - Jean Powers
- i Canadian Cancer Trials Group , Queen's University , Kingston , ON , Canada
| | - Joana Sederias
- i Canadian Cancer Trials Group , Queen's University , Kingston , ON , Canada
| | - Lesley Seymour
- i Canadian Cancer Trials Group , Queen's University , Kingston , ON , Canada
| | - Annette E Hay
- i Canadian Cancer Trials Group , Queen's University , Kingston , ON , Canada.,j Department of Medicine , Queen's University , Kingston , ON , Canada
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12
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Cumaraswamy AA, Lewis AM, Geletu M, Todic A, Diaz DB, Cheng XR, Brown CE, Laister RC, Muench D, Kerman K, Grimes HL, Minden MD, Gunning PT. Nanomolar-Potency Small Molecule Inhibitor of STAT5 Protein. ACS Med Chem Lett 2014; 5:1202-1206. [PMID: 25419444 PMCID: PMC4234445 DOI: 10.1021/ml500165r] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2014] [Accepted: 09/19/2014] [Indexed: 02/04/2023] Open
Abstract
![]()
We herein report the design and synthesis
of the first nanomolar
binding inhibitor of STAT5 protein. Lead compound 13a, possessing a phosphotyrosyl-mimicking salicylic acid group, potently
and selectively binds to STAT5 over STAT3, inhibits STAT5–SH2
domain complexation events in vitro, silences activated
STAT5 in leukemic cells, as well as STAT5′s downstream transcriptional
targets, including MYC and MCL1,
and, as a result, leads to apoptosis. We believe 13a represents
a useful probe for interrogating STAT5 function in cells as well as
being a potential candidate for advanced preclinical trials.
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Affiliation(s)
- Abbarna A. Cumaraswamy
- Department
of Chemistry, University of Toronto Mississauga, Mississauga, Ontario L5L 1C6, Canada
| | - Andrew M. Lewis
- Department
of Chemistry, University of Toronto Mississauga, Mississauga, Ontario L5L 1C6, Canada
| | - Mulu Geletu
- Department
of Chemistry, University of Toronto Mississauga, Mississauga, Ontario L5L 1C6, Canada
| | - Aleksandra Todic
- Department
of Chemistry, University of Toronto Mississauga, Mississauga, Ontario L5L 1C6, Canada
| | - Diego B. Diaz
- Department
of Chemistry, University of Toronto Mississauga, Mississauga, Ontario L5L 1C6, Canada
| | - Xin Ran Cheng
- Department of Physical & Environmental Sciences, University of Toronto at Scarborough, Toronto, Ontario M1C 1A4, Canada
| | - Carla E. Brown
- Department
of Chemistry, University of Toronto Mississauga, Mississauga, Ontario L5L 1C6, Canada
| | - Rob C. Laister
- Princess Margaret Cancer Centre, Ontario Cancer Institute, 610 University Avenue, Toronto, Ontario M5G 2M9, Canada
| | - David Muench
- Division
of Immunobiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio 45229, United States
| | - Kagan Kerman
- Department of Physical & Environmental Sciences, University of Toronto at Scarborough, Toronto, Ontario M1C 1A4, Canada
| | - H. Leighton Grimes
- Division
of Immunobiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio 45229, United States
| | - Mark D. Minden
- Princess Margaret Cancer Centre, Ontario Cancer Institute, 610 University Avenue, Toronto, Ontario M5G 2M9, Canada
| | - Patrick T. Gunning
- Department
of Chemistry, University of Toronto Mississauga, Mississauga, Ontario L5L 1C6, Canada
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13
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Rashid A, Fateen M, Juan R, Laister RC, Minden M. Abstract 3604: Investigation of the role of CSF-1 and its receptor in the bone marrow stroma microenvironment in acute myeloid leukemia. Cancer Res 2014. [DOI: 10.1158/1538-7445.am2014-3604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Supporting cells in the bone marrow microenvironment are an essential source of growth factors and cytokines that drive both normal hematopoeisis and leukemogenesis. Acute myeloid leukemia (AML) is a heterogeneous and growth factor-dependent disease of the bone marrow. The human macrophage colony stimulating factor (M-CSF, CSF-1) is a cytokine produced by supporting cells in the bone marrow that promotes the differentiation and maturation of monocytes and macrophages from myeloid precursors. Since CSF-1 is an essential factor in myelopoeisis, it has important implications in AML, a disease characterized by the increased proliferation of immature myeloid blast cells. Moreover CSF-1 and CSF-1R are highly expressed in some AML cases, lending further support for their investigation. CSF-1 exists as a full-length secreted (variant 1 or v1) and membrane-bound (variant 3 or v3) isoform. The membrane-bound v3 isoform is the predominant form in the bone marrow. CSF-1 binds to the colony stimulating factor-1 receptor (CSF-1R), a class III receptor tyrosine kinase found on mononuclear phagocytes. CSF-1R activation leads to stimulation of survival, proliferation and differentiation pathways. In this study, the effects of the CSF-1/CSF-1R interaction were investigated in the context of the bone marrow microenvironment in an in-vitro co-culture system. In this model, human leukemic cells (patient samples and cell lines) were grown in co-culture with mouse stromal cells expressing human CSF-1. The cellular and molecular responses arising from the interaction between leukemic cells expressing CSF-1R and stromal cells producing CSF-1 were examined.
AML cells cultured with CSF-1-expressing stroma displayed better long-term (2-5 weeks) growth and survival than cells cultured with non-CSF-1-expressing stroma. There was a 2-fold increase in the number of cells on CSF-1 v3 stroma compared to empty vector (ev) control stroma after 5 weeks of co-culture. AML cells were maintained on CSF-1 v3 stroma 1.5-1.75 fold longer than on ev stroma (survival in days). Co-culture of AML cells with CSF-1-expressing stroma led to a decrease in CSF-1R expression on the surface of AML cells, accompanied by an increase in CD34 and decrease in CD38 expression. CSF-1-expressing stroma led to increases in phosphorylation of Akt and p70S6K, effectors of the PI3k/Akt pathway, in AML cells. Analysis of cytokine production in AML-stromal cell co-cultures revealed an increase in the secretion of IL-3 and IL-6 from stromal cells and an increase in IL-8 and vascular endothelial growth factor (VEGF) from AML cells.
These findings suggest that CSF-1 presented by stromal cells mediates the growth and survival of AML cells through changes in cell surface markers, molecular signaling effectors and cytokine secretion. This work has helped identify targets of interest that may be exploited for therapeutic purposes in AML-stromal cell interactions.
Citation Format: Ayesha Rashid, Mohammed Fateen, Rhe Juan, Rob C. Laister, Mark Minden. Investigation of the role of CSF-1 and its receptor in the bone marrow stroma microenvironment in acute myeloid leukemia. [abstract]. In: Proceedings of the 105th Annual Meeting of the American Association for Cancer Research; 2014 Apr 5-9; San Diego, CA. Philadelphia (PA): AACR; Cancer Res 2014;74(19 Suppl):Abstract nr 3604. doi:10.1158/1538-7445.AM2014-3604
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Affiliation(s)
- Ayesha Rashid
- University of Toronto/University Health Network, Toronto, Ontario, Canada
| | - Mohammed Fateen
- University of Toronto/University Health Network, Toronto, Ontario, Canada
| | - Rhe Juan
- University of Toronto/University Health Network, Toronto, Ontario, Canada
| | - Rob C. Laister
- University of Toronto/University Health Network, Toronto, Ontario, Canada
| | - Mark Minden
- University of Toronto/University Health Network, Toronto, Ontario, Canada
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14
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Jhas B, Sriskanthadevan S, Skrtic M, Sukhai MA, Voisin V, Jitkova Y, Gronda M, Hurren R, Laister RC, Bader GD, Minden MD, Schimmer AD. Metabolic adaptation to chronic inhibition of mitochondrial protein synthesis in acute myeloid leukemia cells. PLoS One 2013; 8:e58367. [PMID: 23520503 PMCID: PMC3592803 DOI: 10.1371/journal.pone.0058367] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2012] [Accepted: 02/04/2013] [Indexed: 12/19/2022] Open
Abstract
Recently, we demonstrated that the anti-bacterial agent tigecycline preferentially induces death in leukemia cells through the inhibition of mitochondrial protein synthesis. Here, we sought to understand mechanisms of resistance to tigecycline by establishing a leukemia cell line resistant to the drug. TEX leukemia cells were treated with increasing concentrations of tigecycline over 4 months and a population of cells resistant to tigecycline (RTEX+TIG) was selected. Compared to wild type cells, RTEX+TIG cells had undetectable levels of mitochondrially translated proteins Cox-1 and Cox-2, reduced oxygen consumption and increased rates of glycolysis. Moreover, RTEX+TIG cells were more sensitive to inhibitors of glycolysis and more resistant to hypoxia. By electron microscopy, RTEX+TIG cells had abnormally swollen mitochondria with irregular cristae structures. RNA sequencing demonstrated a significant over-representation of genes with binding sites for the HIF1α:HIF1β transcription factor complex in their promoters. Upregulation of HIF1α mRNA and protein in RTEX+TIG cells was confirmed by Q-RTPCR and immunoblotting. Strikingly, upon removal of tigecycline from RTEX+TIG cells, the cells re-established aerobic metabolism. Levels of Cox-1 and Cox-2, oxygen consumption, glycolysis, mitochondrial mass and mitochondrial membrane potential returned to wild type levels, but HIF1α remained elevated. However, upon re-treatment with tigecycline for 72 hours, the glycolytic phenotype was re-established. Thus, we have generated cells with a reversible metabolic phenotype by chronic treatment with an inhibitor of mitochondrial protein synthesis. These cells will provide insight into cellular adaptations used to cope with metabolic stress.
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MESH Headings
- Anti-Bacterial Agents/pharmacology
- Cell Line, Tumor
- Drug Resistance, Neoplasm
- Electron Transport Complex IV/biosynthesis
- Electron Transport Complex IV/genetics
- Gene Expression Regulation, Leukemic/drug effects
- Gene Expression Regulation, Leukemic/genetics
- Glycolysis/drug effects
- Glycolysis/genetics
- Humans
- Hypoxia-Inducible Factor 1, alpha Subunit/biosynthesis
- Hypoxia-Inducible Factor 1, alpha Subunit/genetics
- Leukemia, Myeloid, Acute/drug therapy
- Leukemia, Myeloid, Acute/genetics
- Leukemia, Myeloid, Acute/metabolism
- Leukemia, Myeloid, Acute/pathology
- Minocycline/analogs & derivatives
- Minocycline/pharmacology
- Mitochondrial Proteins/biosynthesis
- Mitochondrial Proteins/genetics
- Neoplasm Proteins/biosynthesis
- Neoplasm Proteins/genetics
- Oxygen Consumption/drug effects
- Oxygen Consumption/genetics
- Protein Biosynthesis
- Tigecycline
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Affiliation(s)
- Bozhena Jhas
- The Princess Margaret Hospital and The Ontario Cancer Institute, University Health Network, Toronto, Canada
| | - Shrivani Sriskanthadevan
- The Princess Margaret Hospital and The Ontario Cancer Institute, University Health Network, Toronto, Canada
| | - Marko Skrtic
- The Princess Margaret Hospital and The Ontario Cancer Institute, University Health Network, Toronto, Canada
| | - Mahadeo A. Sukhai
- The Princess Margaret Hospital and The Ontario Cancer Institute, University Health Network, Toronto, Canada
| | | | - Yulia Jitkova
- The Princess Margaret Hospital and The Ontario Cancer Institute, University Health Network, Toronto, Canada
| | - Marcela Gronda
- The Princess Margaret Hospital and The Ontario Cancer Institute, University Health Network, Toronto, Canada
| | - Rose Hurren
- The Princess Margaret Hospital and The Ontario Cancer Institute, University Health Network, Toronto, Canada
| | - Rob C. Laister
- The Princess Margaret Hospital and The Ontario Cancer Institute, University Health Network, Toronto, Canada
| | - Gary D. Bader
- The Donnelly Centre, University of Toronto, Toronto, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, Canada
| | - Mark D. Minden
- The Princess Margaret Hospital and The Ontario Cancer Institute, University Health Network, Toronto, Canada
| | - Aaron D. Schimmer
- The Princess Margaret Hospital and The Ontario Cancer Institute, University Health Network, Toronto, Canada
- * E-mail:
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15
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Mulligan VK, Kerman A, Laister RC, Sharda PR, Arslan PE, Chakrabartty A. Early Steps in Oxidation-Induced SOD1 Misfolding: Implications for Non-Amyloid Protein Aggregation in Familial ALS. J Mol Biol 2012; 421:631-52. [DOI: 10.1016/j.jmb.2012.04.016] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2011] [Revised: 04/12/2012] [Accepted: 04/14/2012] [Indexed: 12/14/2022]
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16
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Page BDG, Khoury H, Laister RC, Fletcher S, Vellozo M, Manzoli A, Yue P, Turkson J, Minden MD, Gunning PT. Small molecule STAT5-SH2 domain inhibitors exhibit potent antileukemia activity. J Med Chem 2012; 55:1047-55. [PMID: 22148584 DOI: 10.1021/jm200720n] [Citation(s) in RCA: 80] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
A growing body of evidence shows that Signal Transducer and Activator of Transcription 5 (STAT5) protein, a key member of the STAT family of signaling proteins, plays a pivotal role in the progression of many human cancers, including acute myeloid leukemia and prostate cancer. Unlike STAT3, where significant medicinal effort has been expended to identify potent direct inhibitors, Stat5 has been poorly investigated as a molecular therapeutic target. Thus, in an effort to identify direct inhibitors of STAT5 protein, we conducted an in vitro screen of a focused library of SH2 domain binding salicylic acid-containing inhibitors (∼150) against STAT5, as well as against STAT3 and STAT1 proteins for SH2 domain selectivity. We herein report the identification of several potent (K(i) < 5 μM) and STAT5 selective (>3-fold specificity for STAT5 cf. STAT1 and STAT3) inhibitors, BP-1-107, BP-1-108, SF-1-087, and SF-1-088. Lead agents, evaluated in K562 and MV-4-11 human leukemia cells, showed potent induction of apoptosis (IC(50)'s ∼ 20 μM) which correlated with potent and selective suppression of STAT5 phosphorylation, as well as inhibition of STAT5 target genes cyclin D1, cyclin D2, C-MYC, and MCL-1. Moreover, lead agent BP-1-108 showed negligible cytotoxic effects in normal bone marrow cells not expressing activated STAT5 protein. Inhibitors identified in this study represent some of the most potent direct small molecule, nonphosphorylated inhibitors of STAT5 to date.
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Affiliation(s)
- Brent D G Page
- Department of Chemistry, University of Toronto, 3359 Mississauga Road North, Mississauga, ON, L5L 1C6, Canada
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17
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Brázda V, Laister RC, Jagelská EB, Arrowsmith C. Cruciform structures are a common DNA feature important for regulating biological processes. BMC Mol Biol 2011; 12:33. [PMID: 21816114 PMCID: PMC3176155 DOI: 10.1186/1471-2199-12-33] [Citation(s) in RCA: 174] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2011] [Accepted: 08/05/2011] [Indexed: 04/10/2023] Open
Abstract
DNA cruciforms play an important role in the regulation of natural processes involving DNA. These structures are formed by inverted repeats, and their stability is enhanced by DNA supercoiling. Cruciform structures are fundamentally important for a wide range of biological processes, including replication, regulation of gene expression, nucleosome structure and recombination. They also have been implicated in the evolution and development of diseases including cancer, Werner's syndrome and others. Cruciform structures are targets for many architectural and regulatory proteins, such as histones H1 and H5, topoisomerase IIβ, HMG proteins, HU, p53, the proto-oncogene protein DEK and others. A number of DNA-binding proteins, such as the HMGB-box family members, Rad54, BRCA1 protein, as well as PARP-1 polymerase, possess weak sequence specific DNA binding yet bind preferentially to cruciform structures. Some of these proteins are, in fact, capable of inducing the formation of cruciform structures upon DNA binding. In this article, we review the protein families that are involved in interacting with and regulating cruciform structures, including (a) the junction-resolving enzymes, (b) DNA repair proteins and transcription factors, (c) proteins involved in replication and (d) chromatin-associated proteins. The prevalence of cruciform structures and their roles in protein interactions, epigenetic regulation and the maintenance of cell homeostasis are also discussed.
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Affiliation(s)
- Václav Brázda
- Institute of Biophysics, Academy of Sciences of the Czech Republic, v,v,i,, Královopolská 135, Brno, 612 65, Czech Republic.
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Ceccarelli DF, Laister RC, Mulligan VK, Kean MJ, Goudreault M, Scott IC, Derry WB, Chakrabartty A, Gingras AC, Sicheri F. CCM3/PDCD10 heterodimerizes with germinal center kinase III (GCKIII) proteins using a mechanism analogous to CCM3 homodimerization. J Biol Chem 2011; 286:25056-64. [PMID: 21561863 DOI: 10.1074/jbc.m110.213777] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
CCM3 mutations give rise to cerebral cavernous malformations (CCMs) of the vasculature through a mechanism that remains unclear. Interaction of CCM3 with the germinal center kinase III (GCKIII) subfamily of Sterile 20 protein kinases, MST4, STK24, and STK25, has been implicated in cardiovascular development in the zebrafish, raising the possibility that dysregulated GCKIII function may contribute to the etiology of CCM disease. Here, we show that the amino-terminal region of CCM3 is necessary and sufficient to bind directly to the C-terminal tail region of GCKIII proteins. This same region of CCM3 was shown previously to mediate homodimerization through the formation of an interdigitated α-helical domain. Sequence conservation and binding studies suggest that CCM3 may preferentially heterodimerize with GCKIII proteins through a manner structurally analogous to that employed for CCM3 homodimerization.
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Affiliation(s)
- Derek F Ceccarelli
- Centre for Systems Biology, Samuel Lunenfeld Research Institute at Mount Sinai Hospital, Toronto, Ontario M5G 1X5, Canada
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Sheng Y, Laister RC, Lemak A, Wu B, Tai E, Duan S, Lukin J, Sunnerhagen M, Srisailam S, Karra M, Benchimol S, Arrowsmith CH. Molecular basis of Pirh2-mediated p53 ubiquitylation. Nat Struct Mol Biol 2008. [PMID: 19043414 DOI: 10.1038/nsmb.1521.molecular] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Pirh2 (p53-induced RING-H2 domain protein; also known as Rchy1) is an E3 ubiquitin ligase involved in a negative-feedback loop with p53. Using NMR spectroscopy, we show that Pirh2 is a unique cysteine-rich protein comprising three modular domains. The protein binds nine zinc ions using a variety of zinc coordination schemes, including a RING domain and a left-handed beta-spiral in which three zinc ions align three consecutive small beta-sheets in an interleaved fashion. We show that Pirh2-p53 interaction is dependent on the C-terminal zinc binding module of Pirh2, which binds to the tetramerization domain of p53. As a result, Pirh2 preferentially ubiquitylates the tetrameric form of p53 in vitro and in vivo, suggesting that Pirh2 regulates protein turnover of the transcriptionally active form of p53.
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Affiliation(s)
- Yi Sheng
- Ontario Cancer Institute and Department of Medical Biophysics, University of Toronto, Ontario M5G1L7, Canada
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Pineda-Lucena A, Ho CSW, Mao DYL, Sheng Y, Laister RC, Muhandiram R, Lu Y, Seet BT, Katz S, Szyperski T, Penn LZ, Arrowsmith CH. A Structure-based Model of the c-Myc/Bin1 Protein Interaction Shows Alternative Splicing of Bin1 and c-Myc Phosphorylation are Key Binding Determinants. J Mol Biol 2005; 351:182-94. [PMID: 15992821 DOI: 10.1016/j.jmb.2005.05.046] [Citation(s) in RCA: 77] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2005] [Revised: 05/17/2005] [Accepted: 05/19/2005] [Indexed: 11/17/2022]
Abstract
The N terminus of the c-Myc oncoprotein interacts with Bin1, a ubiquitously expressed nucleocytoplasmic protein with features of a tumor suppressor. The c-Myc/Bin1 interaction is dependent on the highly conserved Myc Box 1 (MB1) sequence of c-Myc. The c-Myc/Bin1 interaction has potential regulatory significance as c-Myc-mediated transformation and apoptosis can be modulated by the expression of Bin1. Multiple splicing of the Bin1 transcript results in ubiquitous, tissue-specific and tumor-specific populations of Bin1 proteins in vivo. We report on the structural features of the interaction between c-Myc and Bin1, and describe two mechanisms by which the binding of different Bin1 isoforms to c-Myc may be regulated in cells. Our findings identify a consensus class II SH3-binding motif in c-Myc and the C-terminal SH3 domain of Bin1 as the primary structure determinants of their interaction. We present biochemical and structural evidence that tumor-specific isoforms of Bin1 are precluded from interaction with c-Myc through an intramolecular polyproline-SH3 domain interaction that inhibits the Bin1 SH3 domain from binding to c-Myc. Furthermore, c-Myc/Bin1 interaction can be inhibited by phosphorylation of c-Myc at Ser62, a functionally important residue found within the c-Myc SH3-binding motif. Our data provide a structure-based model of the c-Myc/Bin1 interaction and suggest a mode of regulation that may be important for c-Myc function as a regulator of gene transcription.
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Affiliation(s)
- Antonio Pineda-Lucena
- Ontario Cancer Institute and Department of Medical Biophysics, University of Toronto, 610 University Avenue, Toronto, Ont., Canada M5G 2M9
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