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De Visser Y, Panovska D, Cole B, Hermans L, Martinez AA, Nazari P, Van Trimpont M, Derweduwe M, Claeys A, De Vleeschouwer S, Solie L, Clement P, Sciot R, Verfaillie M, Daenekindt T, Bamps S, Van Vlierberghe P, De Smet F. BIOM-16. A MULTI-OMIC, FUNCTIONAL PRECISION ONCOLOGY METHOD TO IDENTIFY RESPONSIVE GLIOBLASTOMA TUMOR CELLS AT SINGLE CELL RESOLUTION. Neuro Oncol 2022. [PMCID: PMC9661181 DOI: 10.1093/neuonc/noac209.026] [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] Open
Abstract
Abstract
Glioblastoma remains a highly malignant and intrinsically resistant brain tumor. Despite intensive research through which numerous potential druggable targets were identified, virtually all clinical trials of the past 20 years failed to improve the outcome for the vast majority of GBM patients. However, the identification of small subgroups of patients that showed an exceptional response across several trials, implies that, when selected more carefully, some GBM patients could probably still benefit from these therapies. Identifying these patients requires that suitable biomarkers are identified. In this project, we reassessed the molecular mechanisms of ten actionable compounds (selected from previously failed trials but for which exceptional responders had been observed) in a set of carefully selected patient-derived cell lines that were sensitive/resistant to the selected therapies. Moreover, to deal with tumor heterogeneity, we used a multi-omic functional precision oncology approach, combining scRNA-seq and CyTOF, to identify drug-specific biomarkers by comparing control and treated samples at single-cell resolution. By subsequently correlating the molecular signatures to eventual cytotoxicity profiles, we could identify intrinsically responsive tumor cells at the single-cell level within hours following drug exposure. Overall, this work lays the foundation for an actionable functional diagnostic assay that could help to identify eligible GBM patients in future clinical trials.
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Van Trimpont M, Schalk AM, De Visser Y, Nguyen HA, Reunes L, Vandemeulebroecke K, Peeters E, Su Y, Lee H, Lorenzi PL, Chan WK, Mondelaers V, De Moerloose B, Lammens T, Goossens S, Van Vlierberghe P, Lavie A. In vivo stabilization of a less toxic asparaginase variant leads to a durable antitumor response in acute leukemia. Haematologica 2022; 108:409-419. [PMID: 35979719 PMCID: PMC9890011 DOI: 10.3324/haematol.2022.281390] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [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: 05/11/2002] [Indexed: 02/03/2023] Open
Abstract
Asparagine is a non-essential amino acid since it can either be taken up via the diet or synthesized by asparagine synthetase. Acute lymphoblastic leukemia (ALL) cells do not express asparagine synthetase or express it only minimally, which makes them completely dependent on extracellular asparagine for their growth and survival. This dependency makes ALL cells vulnerable to treatment with L-asparaginase, an enzyme that hydrolyzes asparagine. To date, all clinically approved L-asparaginases have significant L-glutaminase co-activity, associated with non-immune related toxic side effects observed during therapy. Therefore, reduction of L-glutaminase co-activity with concomitant maintenance of its anticancer L-asparaginase effect may effectively improve the tolerability of this unique drug. Previously, we designed a new alternative variant of Erwinia chrysanthemi (ErA; Erwinaze) with decreased L-glutaminase co-activity, while maintaining its L-asparaginase activity, by the introduction of three key mutations around the active site (ErA-TM). However, Erwinaze and our ErA-TM variant have very short half-lives in vivo. Here, we show that the fusion of ErA-TM with an albumin binding domain (ABD)-tag significantly increases its in vivo persistence. In addition, we evaluated the in vivo therapeutic efficacy of ABD-ErA-TM in a B-ALL xenograft model of SUP-B15. Our results show a comparable long-lasting durable antileukemic effect between the standard-of-care pegylated-asparaginase and ABD-ErA-TM L-asparaginase, but with fewer co-glutaminase-related acute side effects. Since the toxic side effects of current L-asparaginases often result in treatment discontinuation in ALL patients, this novel ErA-TM variant with ultra-low L-glutaminase co-activity and long in vivo persistence may have great clinical potential.
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Affiliation(s)
- Maaike Van Trimpont
- Cancer Research Institute Ghent (CRIG), Ghent, Belgium,Department of Biomolecular Medicine, Ghent University, Ghent, Belgium,Department of Diagnostic Sciences, Ghent University, Ghent, Belgium
| | - Amanda M. Schalk
- Department of Biochemistry and Molecular Genetics, University of Illinois at Chicago, Chicago, IL, USA
| | - Yanti De Visser
- Cancer Research Institute Ghent (CRIG), Ghent, Belgium,Department of Biomolecular Medicine, Ghent University, Ghent, Belgium,Department of Imaging and Pathology, KU Leuven, Leuven, Belgium
| | - Hien Anh Nguyen
- Department of Biochemistry and Molecular Genetics, University of Illinois at Chicago, Chicago, IL, USA
| | - Lindy Reunes
- Cancer Research Institute Ghent (CRIG), Ghent, Belgium,Department of Biomolecular Medicine, Ghent University, Ghent, Belgium
| | - Katrien Vandemeulebroecke
- Cancer Research Institute Ghent (CRIG), Ghent, Belgium,Department of Pediatric Hemato-Oncology and Stem Cell Transplantation, Ghent University Hospital, Ghent, Belgium,Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium
| | - Evelien Peeters
- Cancer Research Institute Ghent (CRIG), Ghent, Belgium,Department of Diagnostic Sciences, Ghent University, Ghent, Belgium
| | - Ying Su
- Department of Biochemistry and Molecular Genetics, University of Illinois at Chicago, Chicago, IL, USA
| | - Hyun Lee
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago (UIC), Chicago, IL, USA,Biophysics Core at Research Resources Center, University of Illinois at Chicago (UIC), Chicago, IL, USA
| | - Philip L. Lorenzi
- Metabolomics Core Facility, Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Wai-Kin Chan
- Metabolomics Core Facility, Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Veerle Mondelaers
- Cancer Research Institute Ghent (CRIG), Ghent, Belgium,Department of Pediatric Hemato-Oncology and Stem Cell Transplantation, Ghent University Hospital, Ghent, Belgium
| | - Barbara De Moerloose
- Cancer Research Institute Ghent (CRIG), Ghent, Belgium,Department of Pediatric Hemato-Oncology and Stem Cell Transplantation, Ghent University Hospital, Ghent, Belgium,Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium
| | - Tim Lammens
- Cancer Research Institute Ghent (CRIG), Ghent, Belgium,Department of Pediatric Hemato-Oncology and Stem Cell Transplantation, Ghent University Hospital, Ghent, Belgium,Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium
| | - Steven Goossens
- Cancer Research Institute Ghent (CRIG), Ghent, Belgium,Department of Diagnostic Sciences, Ghent University, Ghent, Belgium
| | - Pieter Van Vlierberghe
- Cancer Research Institute Ghent (CRIG), Ghent, Belgium,Department of Biomolecular Medicine, Ghent University, Ghent, Belgium,#PVV and AL contributed equally as co-senior authors
| | - Arnon Lavie
- Department of Biochemistry and Molecular Genetics, University of Illinois at Chicago, Chicago, USA; The Jesse Brown VA Medical Center, Chicago, IL.
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Van Trimpont M, Peeters E, De Visser Y, Schalk AM, Mondelaers V, De Moerloose B, Lavie A, Lammens T, Goossens S, Van Vlierberghe P. Novel Insights on the Use of L-Asparaginase as an Efficient and Safe Anti-Cancer Therapy. Cancers (Basel) 2022; 14:cancers14040902. [PMID: 35205650 PMCID: PMC8870365 DOI: 10.3390/cancers14040902] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [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: 01/19/2022] [Revised: 02/05/2022] [Accepted: 02/09/2022] [Indexed: 12/14/2022] Open
Abstract
Simple Summary L-asparaginase (L-ASNase) therapy is key for achieving the very high cure rate of pediatric acute lymphoblastic leukemia (ALL), yet its use is mostly confined to this indication. One main reason preventing the expansion of today’s FDA-approved L-ASNases to solid cancers is their high toxicity and side effects, which become especially challenging in adult patients. The design of optimized L-ASNase molecules provides opportunities to overcome these unwanted toxicities. An additional challenge to broader application of L-ASNases is how cells can counter the pharmacological effect of this drug and the identification of L-ASNases resistance mechanisms. In this review, we discuss recent insights into L-ASNase adverse effects, resistance mechanisms, and how novel L-ASNase variants and drug combinations can expand its clinical applicability, with a focus on both hematological and solid tumors. Abstract L-Asparaginase (L-ASNase) is an enzyme that hydrolyses the amino acid asparagine into aspartic acid and ammonia. Systemic administration of bacterial L-ASNase is successfully used to lower the bioavailability of this non-essential amino acid and to eradicate rapidly proliferating cancer cells with a high demand for exogenous asparagine. Currently, it is a cornerstone drug in the treatment of the most common pediatric cancer, acute lymphoblastic leukemia (ALL). Since these lymphoblasts lack the expression of asparagine synthetase (ASNS), these cells depend on the uptake of extracellular asparagine for survival. Interestingly, recent reports have illustrated that L-ASNase may also have clinical potential for the treatment of other aggressive subtypes of hematological or solid cancers. However, immunogenic and other severe adverse side effects limit optimal clinical use and often lead to treatment discontinuation. The design of optimized and novel L-ASNase formulations provides opportunities to overcome these limitations. In addition, identification of multiple L-ASNase resistance mechanisms, including ASNS promoter reactivation and desensitization, has fueled research into promising novel drug combinations to overcome chemoresistance. In this review, we discuss recent insights into L-ASNase adverse effects, resistance both in hematological and solid tumors, and how novel L-ASNase variants and drug combinations can expand its clinical applicability.
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Affiliation(s)
- Maaike Van Trimpont
- Cancer Research Institute Ghent (CRIG), 9000 Ghent, Belgium; (M.V.T.); (E.P.); (Y.D.V.); (B.D.M.); (T.L.); (S.G.)
- Department of Biomolecular Medicine, Ghent University, 9000 Ghent, Belgium
- Department of Diagnostic Sciences, Ghent University, 9000 Ghent, Belgium
| | - Evelien Peeters
- Cancer Research Institute Ghent (CRIG), 9000 Ghent, Belgium; (M.V.T.); (E.P.); (Y.D.V.); (B.D.M.); (T.L.); (S.G.)
- Department of Diagnostic Sciences, Ghent University, 9000 Ghent, Belgium
- Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium
| | - Yanti De Visser
- Cancer Research Institute Ghent (CRIG), 9000 Ghent, Belgium; (M.V.T.); (E.P.); (Y.D.V.); (B.D.M.); (T.L.); (S.G.)
- Department of Biomolecular Medicine, Ghent University, 9000 Ghent, Belgium
- Department of Imaging and Pathology, KU Leuven, 3000 Leuven, Belgium
| | - Amanda M. Schalk
- Department of Biochemistry and Molecular Genetics, University of Illinois, Chicago, IL 60607, USA; (A.M.S.); (A.L.)
| | - Veerle Mondelaers
- Department of Pediatric Hemato-Oncology and Stem Cell Transplantation, Ghent University Hospital, 9000 Ghent, Belgium;
| | - Barbara De Moerloose
- Cancer Research Institute Ghent (CRIG), 9000 Ghent, Belgium; (M.V.T.); (E.P.); (Y.D.V.); (B.D.M.); (T.L.); (S.G.)
- Department of Pediatric Hemato-Oncology and Stem Cell Transplantation, Ghent University Hospital, 9000 Ghent, Belgium;
- Department of Internal Medicine and Pediatrics, Ghent University, 9000 Ghent, Belgium
| | - Arnon Lavie
- Department of Biochemistry and Molecular Genetics, University of Illinois, Chicago, IL 60607, USA; (A.M.S.); (A.L.)
- The Jesse Brown VA Medical Center, Chicago, IL 60607, USA
| | - Tim Lammens
- Cancer Research Institute Ghent (CRIG), 9000 Ghent, Belgium; (M.V.T.); (E.P.); (Y.D.V.); (B.D.M.); (T.L.); (S.G.)
- Department of Pediatric Hemato-Oncology and Stem Cell Transplantation, Ghent University Hospital, 9000 Ghent, Belgium;
- Department of Internal Medicine and Pediatrics, Ghent University, 9000 Ghent, Belgium
| | - Steven Goossens
- Cancer Research Institute Ghent (CRIG), 9000 Ghent, Belgium; (M.V.T.); (E.P.); (Y.D.V.); (B.D.M.); (T.L.); (S.G.)
- Department of Diagnostic Sciences, Ghent University, 9000 Ghent, Belgium
| | - Pieter Van Vlierberghe
- Cancer Research Institute Ghent (CRIG), 9000 Ghent, Belgium; (M.V.T.); (E.P.); (Y.D.V.); (B.D.M.); (T.L.); (S.G.)
- Department of Biomolecular Medicine, Ghent University, 9000 Ghent, Belgium
- Correspondence:
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Groelly FJ, Porru M, Zimmer J, Benainous H, De Visser Y, Kosova AA, Di Vito S, Serra V, Ryan A, Leonetti C, Bruna A, Biroccio A, Tarsounas M. Anti-tumoural activity of the G-quadruplex ligand pyridostatin against BRCA1/2-deficient tumours. EMBO Mol Med 2022; 14:e14501. [PMID: 35107878 PMCID: PMC8899905 DOI: 10.15252/emmm.202114501] [Citation(s) in RCA: 2] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 12/20/2021] [Accepted: 01/07/2022] [Indexed: 12/28/2022] Open
Abstract
The cells with compromised BRCA1 or BRCA2 (BRCA1/2) function accumulate stalled replication forks, which leads to replication‐associated DNA damage and genomic instability, a signature of BRCA1/2‐mutated tumours. Targeted therapies against BRCA1/2‐mutated tumours exploit this vulnerability by introducing additional DNA lesions. Because homologous recombination (HR) repair is abrogated in the absence of BRCA1 or BRCA2, these lesions are specifically lethal to tumour cells, but not to the healthy tissue. Ligands that bind and stabilise G‐quadruplexes (G4s) have recently emerged as a class of compounds that selectively eliminate the cells and tumours lacking BRCA1 or BRCA2. Pyridostatin is a small molecule that binds G4s and is specifically toxic to BRCA1/2‐deficient cells in vitro. However, its in vivo potential has not yet been evaluated. Here, we demonstrate that pyridostatin exhibits a high specific activity against BRCA1/2‐deficient tumours, including patient‐derived xenograft tumours that have acquired PARP inhibitor (PARPi) resistance. Mechanistically, we demonstrate that pyridostatin disrupts replication leading to DNA double‐stranded breaks (DSBs) that can be repaired in the absence of BRCA1/2 by canonical non‐homologous end joining (C‐NHEJ). Consistent with this, chemical inhibitors of DNA‐PKcs, a core component of C‐NHEJ kinase activity, act synergistically with pyridostatin in eliminating BRCA1/2‐deficient cells and tumours. Furthermore, we demonstrate that pyridostatin triggers cGAS/STING‐dependent innate immune responses when BRCA1 or BRCA2 is abrogated. Paclitaxel, a drug routinely used in cancer chemotherapy, potentiates the in vivo toxicity of pyridostatin. Overall, our results demonstrate that pyridostatin is a compound suitable for further therapeutic development, alone or in combination with paclitaxel and DNA‐PKcs inhibitors, for the benefit of cancer patients carrying BRCA1/2 mutations.
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Affiliation(s)
- Florian J Groelly
- Genome Stability and Tumourigenesis Group, The MRC Oxford Institute for Radiation Oncology, Department of Oncology, University of Oxford, Oxford, UK
| | - Manuela Porru
- Area of Translational Research, IRCCS Regina Elena National Cancer Institute, Rome, Italy
| | - Jutta Zimmer
- Genome Stability and Tumourigenesis Group, The MRC Oxford Institute for Radiation Oncology, Department of Oncology, University of Oxford, Oxford, UK
| | - Hugo Benainous
- Genome Stability and Tumourigenesis Group, The MRC Oxford Institute for Radiation Oncology, Department of Oncology, University of Oxford, Oxford, UK
| | - Yanti De Visser
- Genome Stability and Tumourigenesis Group, The MRC Oxford Institute for Radiation Oncology, Department of Oncology, University of Oxford, Oxford, UK
| | - Anastasiya A Kosova
- Genome Stability and Tumourigenesis Group, The MRC Oxford Institute for Radiation Oncology, Department of Oncology, University of Oxford, Oxford, UK
| | - Serena Di Vito
- Area of Translational Research, IRCCS Regina Elena National Cancer Institute, Rome, Italy.,Department of Ecological and Biological Sciences (DEB), University of Tuscia, Viterbo, Italy
| | - Violeta Serra
- Experimental Therapeutics Group, Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Anderson Ryan
- Lung Cancer Translational Science Research Group, The MRC Oxford Institute for Radiation Oncology, Department of Oncology, University of Oxford, Oxford, UK
| | - Carlo Leonetti
- Area of Translational Research, IRCCS Regina Elena National Cancer Institute, Rome, Italy
| | - Alejandra Bruna
- Molecular Pathology Division, Centre for Cancer Evolution, The Institute of Cancer Research, London, UK
| | - Annamaria Biroccio
- Area of Translational Research, IRCCS Regina Elena National Cancer Institute, Rome, Italy
| | - Madalena Tarsounas
- Genome Stability and Tumourigenesis Group, The MRC Oxford Institute for Radiation Oncology, Department of Oncology, University of Oxford, Oxford, UK
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