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Rahman R, Shi DD, Reitman ZJ, Hamerlik P, de Groot JF, Haas-Kogan DA, D’Andrea AD, Sulman EP, Tanner K, Agar NYR, Sarkaria JN, Tinkle CL, Bindra RS, Mehta MP, Wen PY. DNA damage response in brain tumors: A Society for Neuro-Oncology consensus review on mechanisms and translational efforts in neuro-oncology. Neuro Oncol 2024; 26:1367-1387. [PMID: 38770568 PMCID: PMC11300028 DOI: 10.1093/neuonc/noae072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024] Open
Abstract
DNA damage response (DDR) mechanisms are critical to maintenance of overall genomic stability, and their dysfunction can contribute to oncogenesis. Significant advances in our understanding of DDR pathways have raised the possibility of developing therapies that exploit these processes. In this expert-driven consensus review, we examine mechanisms of response to DNA damage, progress in development of DDR inhibitors in IDH-wild-type glioblastoma and IDH-mutant gliomas, and other important considerations such as biomarker development, preclinical models, combination therapies, mechanisms of resistance and clinical trial design considerations.
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Affiliation(s)
- Rifaquat Rahman
- Department of Radiation Oncology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Diana D Shi
- Department of Radiation Oncology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Zachary J Reitman
- Department of Radiation Oncology, Duke University Medical Center, Durham, North Carolina, USA
| | - Petra Hamerlik
- Division of Cancer Sciences, University of Manchester, Manchester, UK
| | - John F de Groot
- Division of Neuro-Oncology, University of California San Francisco, San Francisco, California, USA
| | - Daphne A Haas-Kogan
- Department of Radiation Oncology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Alan D D’Andrea
- Department of Radiation Oncology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Erik P Sulman
- Department of Radiation Oncology, New York University, New York, New York, USA
| | - Kirk Tanner
- National Brain Tumor Society, Newton, Massachusetts, USA
| | - Nathalie Y R Agar
- Department of Neurosurgery and Department of Radiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Jann N Sarkaria
- Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota, USA
| | - Christopher L Tinkle
- Department of Radiation Oncology, St. Jude Children’s Research Hospital, Memphis, Tennessee, USA
| | - Ranjit S Bindra
- Department of Therapeutic Radiology, Yale University, New Haven, Connecticut, USA
| | - Minesh P Mehta
- Miami Cancer Institute, Baptist Hospital, Miami, Florida, USA
| | - Patrick Y Wen
- Center for Neuro-Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
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2
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Chokshi CR, Shaikh MV, Brakel B, Rossotti MA, Tieu D, Maich W, Anand A, Chafe SC, Zhai K, Suk Y, Kieliszek AM, Miletic P, Mikolajewicz N, Chen D, McNicol JD, Chan K, Tong AHY, Kuhlmann L, Liu L, Alizada Z, Mobilio D, Tatari N, Savage N, Aghaei N, Grewal S, Puri A, Subapanditha M, McKenna D, Ignatchenko V, Salamoun JM, Kwiecien JM, Wipf P, Sharlow ER, Provias JP, Lu JQ, Lazo JS, Kislinger T, Lu Y, Brown KR, Venugopal C, Henry KA, Moffat J, Singh SK. Targeting axonal guidance dependencies in glioblastoma with ROBO1 CAR T cells. Nat Med 2024:10.1038/s41591-024-03138-9. [PMID: 39095594 DOI: 10.1038/s41591-024-03138-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 06/18/2024] [Indexed: 08/04/2024]
Abstract
Resistance to genotoxic therapies and tumor recurrence are hallmarks of glioblastoma (GBM), an aggressive brain tumor. In this study, we investigated functional drivers of post-treatment recurrent GBM through integrative genomic analyses, genome-wide genetic perturbation screens in patient-derived GBM models and independent lines of validation. Specific genetic dependencies were found consistent across recurrent tumor models, accompanied by increased mutational burden and differential transcript and protein expression compared to its primary GBM predecessor. Our observations suggest a multi-layered genetic response to drive tumor recurrence and implicate PTP4A2 (protein tyrosine phosphatase 4A2) as a modulator of self-renewal, proliferation and tumorigenicity in recurrent GBM. Genetic perturbation or small-molecule inhibition of PTP4A2 acts through a dephosphorylation axis with roundabout guidance receptor 1 (ROBO1) and its downstream molecular players, exploiting a functional dependency on ROBO signaling. Because a pan-PTP4A inhibitor was limited by poor penetrance across the blood-brain barrier in vivo, we engineered a second-generation chimeric antigen receptor (CAR) T cell therapy against ROBO1, a cell surface receptor enriched across recurrent GBM specimens. A single dose of ROBO1-targeted CAR T cells doubled median survival in cell-line-derived xenograft (CDX) models of recurrent GBM. Moreover, in CDX models of adult lung-to-brain metastases and pediatric relapsed medulloblastoma, ROBO1 CAR T cells eradicated tumors in 50-100% of mice. Our study identifies a promising multi-targetable PTP4A-ROBO1 signaling axis that drives tumorigenicity in recurrent GBM, with potential in other malignant brain tumors.
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Affiliation(s)
- Chirayu R Chokshi
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, ON, Canada
- Centre for Discovery in Cancer Research (CDCR), McMaster University, Hamilton, ON, Canada
| | - Muhammad Vaseem Shaikh
- Centre for Discovery in Cancer Research (CDCR), McMaster University, Hamilton, ON, Canada
- Department of Surgery, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
| | - Benjamin Brakel
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, ON, Canada
- Centre for Discovery in Cancer Research (CDCR), McMaster University, Hamilton, ON, Canada
| | - Martin A Rossotti
- Human Health Therapeutics Research Centre, Life Sciences Division, National Research Council Canada, Ottawa, ON, Canada
| | - David Tieu
- Donnelly Centre, University of Toronto, Toronto, ON, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
| | - William Maich
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, ON, Canada
- Centre for Discovery in Cancer Research (CDCR), McMaster University, Hamilton, ON, Canada
| | - Alisha Anand
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, ON, Canada
- Centre for Discovery in Cancer Research (CDCR), McMaster University, Hamilton, ON, Canada
| | - Shawn C Chafe
- Centre for Discovery in Cancer Research (CDCR), McMaster University, Hamilton, ON, Canada
- Department of Surgery, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
| | - Kui Zhai
- Centre for Discovery in Cancer Research (CDCR), McMaster University, Hamilton, ON, Canada
- Department of Surgery, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
| | - Yujin Suk
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, ON, Canada
- Centre for Discovery in Cancer Research (CDCR), McMaster University, Hamilton, ON, Canada
| | - Agata M Kieliszek
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, ON, Canada
- Centre for Discovery in Cancer Research (CDCR), McMaster University, Hamilton, ON, Canada
| | - Petar Miletic
- Centre for Discovery in Cancer Research (CDCR), McMaster University, Hamilton, ON, Canada
- Department of Surgery, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
| | - Nicholas Mikolajewicz
- Program for Genetics and Genome Biology, The Hospital for Sick Children, Peter Gilgan Centre for Research & Learning, Toronto, ON, Canada
| | - David Chen
- Program for Genetics and Genome Biology, The Hospital for Sick Children, Peter Gilgan Centre for Research & Learning, Toronto, ON, Canada
| | - Jamie D McNicol
- McMaster Immunology Research Centre, McMaster University, Hamilton, ON, Canada
- Department of Medicine, McMaster University, Hamilton, ON, Canada
| | - Katherine Chan
- Program for Genetics and Genome Biology, The Hospital for Sick Children, Peter Gilgan Centre for Research & Learning, Toronto, ON, Canada
| | - Amy H Y Tong
- Donnelly Centre, University of Toronto, Toronto, ON, Canada
| | - Laura Kuhlmann
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
| | - Lina Liu
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, ON, Canada
| | - Zahra Alizada
- Centre for Discovery in Cancer Research (CDCR), McMaster University, Hamilton, ON, Canada
- Department of Surgery, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
| | - Daniel Mobilio
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, ON, Canada
- Centre for Discovery in Cancer Research (CDCR), McMaster University, Hamilton, ON, Canada
| | - Nazanin Tatari
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, ON, Canada
- Centre for Discovery in Cancer Research (CDCR), McMaster University, Hamilton, ON, Canada
| | - Neil Savage
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, ON, Canada
- Centre for Discovery in Cancer Research (CDCR), McMaster University, Hamilton, ON, Canada
| | - Nikoo Aghaei
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, ON, Canada
- Centre for Discovery in Cancer Research (CDCR), McMaster University, Hamilton, ON, Canada
| | - Shan Grewal
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, ON, Canada
- Centre for Discovery in Cancer Research (CDCR), McMaster University, Hamilton, ON, Canada
| | - Anish Puri
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, ON, Canada
- Centre for Discovery in Cancer Research (CDCR), McMaster University, Hamilton, ON, Canada
| | | | - Dillon McKenna
- Centre for Discovery in Cancer Research (CDCR), McMaster University, Hamilton, ON, Canada
- Department of Surgery, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
| | | | - Joseph M Salamoun
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA, USA
| | - Jacek M Kwiecien
- Department of Pathology and Molecular Medicine, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
| | - Peter Wipf
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA, USA
| | - Elizabeth R Sharlow
- Department of Pharmacology, Fiske Drug Discovery Laboratory, University of Virginia, Charlottesville, VA, USA
| | - John P Provias
- Department of Pathology and Molecular Medicine, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
| | - Jian-Qiang Lu
- Department of Pathology and Molecular Medicine, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
| | - John S Lazo
- Department of Pharmacology, Fiske Drug Discovery Laboratory, University of Virginia, Charlottesville, VA, USA
| | - Thomas Kislinger
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
| | - Yu Lu
- Centre for Discovery in Cancer Research (CDCR), McMaster University, Hamilton, ON, Canada
| | - Kevin R Brown
- Program for Genetics and Genome Biology, The Hospital for Sick Children, Peter Gilgan Centre for Research & Learning, Toronto, ON, Canada
| | - Chitra Venugopal
- Centre for Discovery in Cancer Research (CDCR), McMaster University, Hamilton, ON, Canada
- Department of Surgery, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
| | - Kevin A Henry
- Human Health Therapeutics Research Centre, Life Sciences Division, National Research Council Canada, Ottawa, ON, Canada
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Jason Moffat
- Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada.
- Program for Genetics and Genome Biology, The Hospital for Sick Children, Peter Gilgan Centre for Research & Learning, Toronto, ON, Canada.
- Institute for Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON, Canada.
| | - Sheila K Singh
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, ON, Canada.
- Centre for Discovery in Cancer Research (CDCR), McMaster University, Hamilton, ON, Canada.
- Department of Surgery, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada.
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3
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Avenel ICN, Ewald JD, Ariey-Bonnet J, Kristensen IH, Petterson SA, Thesbjerg MN, Burton M, Thomassen M, Wennerberg K, Michaelsen SR, Kristensen BW. GDNF/GFRA1 signaling contributes to chemo- and radioresistance in glioblastoma. Sci Rep 2024; 14:17639. [PMID: 39085346 PMCID: PMC11292001 DOI: 10.1038/s41598-024-68626-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Accepted: 07/25/2024] [Indexed: 08/02/2024] Open
Abstract
Glioblastoma is the most common primary brain tumor in adults, characterized by an inherent aggressivity and resistance to treatment leading to poor prognoses. While some resistance mechanisms have been elucidated, a deeper understanding of these mechanisms is needed to increase therapeutic efficacy. In this study we first discovered glial-cell derived neurotrophic factor (GDNF) to be upregulated in patient-derived glioblastoma spheroid cultures after chemotherapeutic temozolomide treatment, through RNA-Seq experiments. Therefore, we investigated the role of the GDNF/GDNF receptor alpha 1 (GFRA1) signaling pathway as a resistance mechanism to chemotherapy with temozolomide and lomustine, as well as irradiation using patient-derived glioblastoma spheroid cultures. With qPCR experiments we showed a consistent upregulation of GDNF and its primary receptor GFRA1 following all three lines of treatment. Moreover, CRISPR/Cas9 knock-outs of GDNF in two patient-derived models sensitized these cells to chemotherapy treatment, but not radiotherapy. The increased sensitivity was completely reversed by the addition of exogeneous GDNF, confirming the key role of this factor in chemoresistance. Finally, a CRISPR KO of GFRA1 demonstrated a similar increased sensitivity to temozolomide and lomustine treatment, as well as radiotherapy. Together, our findings support the role of the GDNF/GFRA1 signaling pathway in glioblastoma chemo and radioresistance.
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Affiliation(s)
- Inès C N Avenel
- Department of Pathology, Bartholin Institute, Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
- Biotech Research and Innovation Centre (BRIC), University of Copenhagen, Copenhagen, Denmark
| | - Jesper D Ewald
- Department of Pathology, Odense University Hospital, Odense, Denmark
- Pathology Research Unit, Department of Clinical Research, University of Southern Denmark Odense, Odense, Denmark
| | - Jérémy Ariey-Bonnet
- Biotech Research and Innovation Centre (BRIC), University of Copenhagen, Copenhagen, Denmark
- DCCC Brain Tumor Center, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Ida H Kristensen
- Department of Pathology, Bartholin Institute, Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
- Biotech Research and Innovation Centre (BRIC), University of Copenhagen, Copenhagen, Denmark
| | - Stine A Petterson
- Department of Pathology, Odense University Hospital, Odense, Denmark
- Clinical Genome Center, Department of Clinical Research, University of Southern Denmark Odense, Odense, Denmark
| | - Martin N Thesbjerg
- Clinical Genome Center, Department of Clinical Research, University of Southern Denmark Odense, Odense, Denmark
| | - Mark Burton
- Clinical Genome Center, Department of Clinical Research, University of Southern Denmark Odense, Odense, Denmark
| | - Mads Thomassen
- Clinical Genome Center, Department of Clinical Research, University of Southern Denmark Odense, Odense, Denmark
| | - Krister Wennerberg
- Biotech Research and Innovation Centre (BRIC), University of Copenhagen, Copenhagen, Denmark
- DCCC Brain Tumor Center, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Signe R Michaelsen
- Department of Pathology, Bartholin Institute, Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
- Biotech Research and Innovation Centre (BRIC), University of Copenhagen, Copenhagen, Denmark
- DCCC Brain Tumor Center, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Bjarne W Kristensen
- Department of Pathology, Bartholin Institute, Rigshospitalet, Copenhagen, Denmark.
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark.
- Biotech Research and Innovation Centre (BRIC), University of Copenhagen, Copenhagen, Denmark.
- DCCC Brain Tumor Center, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark.
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4
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Agosti E, Antonietti S, Ius T, Fontanella MM, Zeppieri M, Panciani PP. Glioma Stem Cells as Promoter of Glioma Progression: A Systematic Review of Molecular Pathways and Targeted Therapies. Int J Mol Sci 2024; 25:7979. [PMID: 39063221 PMCID: PMC11276876 DOI: 10.3390/ijms25147979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Revised: 07/16/2024] [Accepted: 07/17/2024] [Indexed: 07/28/2024] Open
Abstract
Gliomas' aggressive nature and resistance to therapy make them a major problem in oncology. Gliomas continue to have dismal prognoses despite significant advancements in medical science, and traditional treatments like surgery, radiation (RT), and chemotherapy (CT) frequently prove to be ineffective. After glioma stem cells (GSCs) were discovered, the traditional view of gliomas as homogeneous masses changed. GSCs are essential for tumor growth, treatment resistance, and recurrence. These cells' distinct capacities for differentiation and self-renewal are changing our knowledge of the biology of gliomas. This systematic literature review aims to uncover the molecular mechanisms driving glioma progression associated with GSCs. The systematic review adhered to PRISMA guidelines, with a thorough literature search conducted on PubMed, Ovid MED-LINE, and Ovid EMBASE. The first literature search was performed on 1 March 2024, and the search was updated on 15 May 2024. Employing MeSH terms and Boolean operators, the search focused on molecular mechanisms associated with GCSs-mediated glioma progression. Inclusion criteria encompassed English language studies, preclinical studies, and clinical trials. A number of 957 papers were initially identified, of which 65 studies spanning from 2005 to 2024 were finally included in the review. The main GSC model distribution is arranged in decreasing order of frequency: U87: 20 studies (32.0%); U251: 13 studies (20.0%); A172: 4 studies (6.2%); and T98G: 2 studies (3.17%). From most to least frequent, the distribution of the primary GSC pathway is as follows: Notch: 8 studies (12.3%); STAT3: 6 studies (9.2%); Wnt/β-catenin: 6 studies (9.2%); HIF: 5 studies (7.7%); and PI3K/AKT: 4 studies (6.2%). The distribution of molecular effects, from most to least common, is as follows: inhibition of differentiation: 22 studies (33.8%); increased proliferation: 18 studies (27.7%); enhanced invasive ability: 15 studies (23.1%); increased self-renewal: 5 studies (7.7%); and inhibition of apoptosis: 3 studies (4.6%). This work highlights GSC heterogeneity and the dynamic interplay within the glioblastoma microenvironment, underscoring the need for a tailored approach. A few key pathways influencing GSC behavior are JAK/STAT3, PI3K/AKT, Wnt/β-catenin, and Notch. Therapy may target these pathways. This research urges more study to fill in knowledge gaps in the biology of GSCs and translate findings into useful treatment approaches that could improve GBM patient outcomes.
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Affiliation(s)
- Edoardo Agosti
- Division of Neurosurgery, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Piazza Spedali Civili 1, 25123 Brescia, Italy; (E.A.); (P.P.P.)
| | - Sara Antonietti
- Division of Neurosurgery, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Piazza Spedali Civili 1, 25123 Brescia, Italy; (E.A.); (P.P.P.)
| | - Tamara Ius
- Neurosurgery Unit, Head-Neck and NeuroScience Department, University Hospital of Udine, p.le S. Maria della Misericordia 15, 33100 Udine, Italy
| | - Marco Maria Fontanella
- Division of Neurosurgery, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Piazza Spedali Civili 1, 25123 Brescia, Italy; (E.A.); (P.P.P.)
| | - Marco Zeppieri
- Department of Ophthalmology, University Hospital of Udine, p.le S. Maria della Misericordia 15, 33100 Udine, Italy
| | - Pier Paolo Panciani
- Division of Neurosurgery, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Piazza Spedali Civili 1, 25123 Brescia, Italy; (E.A.); (P.P.P.)
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5
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Kaynar A, Ozcan M, Li X, Turkez H, Zhang C, Uhlén M, Shoaie S, Mardinoglu A. Discovery of a Therapeutic Agent for Glioblastoma Using a Systems Biology-Based Drug Repositioning Approach. Int J Mol Sci 2024; 25:7868. [PMID: 39063109 PMCID: PMC11277330 DOI: 10.3390/ijms25147868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2024] [Revised: 07/14/2024] [Accepted: 07/15/2024] [Indexed: 07/28/2024] Open
Abstract
Glioblastoma (GBM), a highly malignant tumour of the central nervous system, presents with a dire prognosis and low survival rates. The heterogeneous and recurrent nature of GBM renders current treatments relatively ineffective. In our study, we utilized an integrative systems biology approach to uncover the molecular mechanisms driving GBM progression and identify viable therapeutic drug targets for developing more effective GBM treatment strategies. Our integrative analysis revealed an elevated expression of CHST2 in GBM tumours, designating it as an unfavourable prognostic gene in GBM, as supported by data from two independent GBM cohorts. Further, we pinpointed WZ-4002 as a potential drug candidate to modulate CHST2 through computational drug repositioning. WZ-4002 directly targeted EGFR (ERBB1) and ERBB2, affecting their dimerization and influencing the activity of adjacent genes, including CHST2. We validated our findings by treating U-138 MG cells with WZ-4002, observing a decrease in CHST2 protein levels and a reduction in cell viability. In summary, our research suggests that the WZ-4002 drug candidate may effectively modulate CHST2 and adjacent genes, offering a promising avenue for developing efficient treatment strategies for GBM patients.
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Affiliation(s)
- Ali Kaynar
- Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral and Craniofacial Sciences, King’s College London, London SE1 9RT, UK; (A.K.); (S.S.)
| | - Mehmet Ozcan
- Science for Life Laboratory, KTH-Royal Institute of Technology, SE-17121 Stockholm, Sweden; (M.O.); (X.L.); (C.Z.); (M.U.)
- Department of Medical Biochemistry, Faculty of Medicine, Zonguldak Bülent Ecevit University, Zongudak TR-67100, Turkey
| | - Xiangyu Li
- Science for Life Laboratory, KTH-Royal Institute of Technology, SE-17121 Stockholm, Sweden; (M.O.); (X.L.); (C.Z.); (M.U.)
| | - Hasan Turkez
- Medical Biology Department, Faculty of Medicine, Atatürk University, Erzurum TR-25240, Turkey;
| | - Cheng Zhang
- Science for Life Laboratory, KTH-Royal Institute of Technology, SE-17121 Stockholm, Sweden; (M.O.); (X.L.); (C.Z.); (M.U.)
| | - Mathias Uhlén
- Science for Life Laboratory, KTH-Royal Institute of Technology, SE-17121 Stockholm, Sweden; (M.O.); (X.L.); (C.Z.); (M.U.)
| | - Saeed Shoaie
- Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral and Craniofacial Sciences, King’s College London, London SE1 9RT, UK; (A.K.); (S.S.)
| | - Adil Mardinoglu
- Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral and Craniofacial Sciences, King’s College London, London SE1 9RT, UK; (A.K.); (S.S.)
- Science for Life Laboratory, KTH-Royal Institute of Technology, SE-17121 Stockholm, Sweden; (M.O.); (X.L.); (C.Z.); (M.U.)
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6
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Wu X, Yuan H, Wu Q, Gao Y, Duan T, Yang K, Huang T, Wang S, Yuan F, Lee D, Taori S, Plute T, Heissel S, Alwaseem H, Isay-Del Viscio M, Molina H, Agnihotri S, Hsu DJ, Zhang N, Rich JN. Threonine fuels glioblastoma through YRDC-mediated codon-biased translational reprogramming. NATURE CANCER 2024; 5:1024-1044. [PMID: 38519786 DOI: 10.1038/s43018-024-00748-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 02/23/2024] [Indexed: 03/25/2024]
Abstract
Cancers commonly reprogram translation and metabolism, but little is known about how these two features coordinate in cancer stem cells. Here we show that glioblastoma stem cells (GSCs) display elevated protein translation. To dissect underlying mechanisms, we performed a CRISPR screen and identified YRDC as the top essential transfer RNA (tRNA) modification enzyme in GSCs. YRDC catalyzes the formation of N6-threonylcarbamoyladenosine (t6A) on ANN-decoding tRNA species (A denotes adenosine, and N denotes any nucleotide). Targeting YRDC reduced t6A formation, suppressed global translation and inhibited tumor growth both in vitro and in vivo. Threonine is an essential substrate of YRDC. Threonine accumulated in GSCs, which facilitated t6A formation through YRDC and shifted the proteome to support mitosis-related genes with ANN codon bias. Dietary threonine restriction (TR) reduced tumor t6A formation, slowed xenograft growth and augmented anti-tumor efficacy of chemotherapy and anti-mitotic therapy, providing a molecular basis for a dietary intervention in cancer treatment.
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Affiliation(s)
- Xujia Wu
- Hillman Cancer Center, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
- Department of Neurosurgery, the First Affiliated Hospital of Sun Yat-sen University, Guangdong Provincial Key Laboratory of Brain Function and Disease, Guangdong Translational Medicine Innovation Platform, Guangzhou, China
| | - Huairui Yuan
- Hillman Cancer Center, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Qiulian Wu
- Hillman Cancer Center, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Yixin Gao
- Department of Neurosurgery, the First Affiliated Hospital of Sun Yat-sen University, Guangdong Provincial Key Laboratory of Brain Function and Disease, Guangdong Translational Medicine Innovation Platform, Guangzhou, China
| | - Tingting Duan
- Hillman Cancer Center, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Kailin Yang
- Department of Radiation Oncology, Taussig Cancer Center, Cleveland Clinic, Cleveland, OH, USA
| | - Tengfei Huang
- Hillman Cancer Center, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Shuai Wang
- Hillman Cancer Center, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Fanen Yuan
- Hillman Cancer Center, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Derrick Lee
- Hillman Cancer Center, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Suchet Taori
- Hillman Cancer Center, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Tritan Plute
- Department of Neurological Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- John G. Rangos Sr. Research Center, Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Søren Heissel
- Proteomics Resource Center, the Rockefeller University, New York, NY, USA
| | - Hanan Alwaseem
- Proteomics Resource Center, the Rockefeller University, New York, NY, USA
| | | | - Henrik Molina
- Proteomics Resource Center, the Rockefeller University, New York, NY, USA
| | - Sameer Agnihotri
- Department of Neurological Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- John G. Rangos Sr. Research Center, Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Dennis J Hsu
- Hillman Cancer Center, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Nu Zhang
- Department of Neurosurgery, the First Affiliated Hospital of Sun Yat-sen University, Guangdong Provincial Key Laboratory of Brain Function and Disease, Guangdong Translational Medicine Innovation Platform, Guangzhou, China.
| | - Jeremy N Rich
- Hillman Cancer Center, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.
- Department of Neurology, University of Pittsburgh, Pittsburgh, PA, USA.
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7
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Miramova A, Gartner A, Ivanov D. How to sensitize glioblastomas to temozolomide chemotherapy: a gap-centered view. Front Cell Dev Biol 2024; 12:1436563. [PMID: 39011394 PMCID: PMC11246897 DOI: 10.3389/fcell.2024.1436563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Accepted: 06/17/2024] [Indexed: 07/17/2024] Open
Abstract
Temozolomide (TMZ) is a methylating agent used as the first-line drug in the chemotherapy of glioblastomas. However, cancer cells eventually acquire resistance, necessitating the development of TMZ-potentiating therapy agents. TMZ induces several DNA base adducts, including O 6 -meG, 3-meA, and 7-meG. TMZ cytotoxicity stems from the ability of these adducts to directly (3-meA) or indirectly (O 6 -meG) impair DNA replication. Although TMZ toxicity is generally attributed to O 6 -meG, other alkylated bases can be similarly important depending on the status of various DNA repair pathways of the treated cells. In this mini-review we emphasize the necessity to distinguish TMZ-sensitive glioblastomas, which do not express methylguanine-DNA methyltransferase (MGMT) and are killed by the futile cycle of mismatch repair (MMR) of the O 6 -meG/T pairs, vs. TMZ-resistant MGMT-positive or MMR-negative glioblastomas, which are selected in the course of the treatment and are killed only at higher TMZ doses by the replication-blocking 3-meA. These two types of cells can be TMZ-sensitized by inhibiting different DNA repair pathways. However, in both cases, the toxic intermediates appear to be ssDNA gaps, a vulnerability also seen in BRCA-deficient cancers. PARP inhibitors (PARPi), which were initially developed to treat BRCA1/2-deficient cancers by synthetic lethality, were re-purposed in clinical trials to potentiate the effects of TMZ. We discuss how the recent advances in our understanding of the genetic determinants of TMZ toxicity might lead to new approaches for the treatment of glioblastomas by inhibiting PARP1 and other enzymes involved in the repair of alkylation damage (e.g., APE1).
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Affiliation(s)
- Alila Miramova
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea
| | - Anton Gartner
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea
- Graduate School for Health Sciences and Technology, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea
- Center for Genomic Integrity, Institute for Basic Science, Ulsan, Republic of Korea
| | - Dmitri Ivanov
- Center for Genomic Integrity, Institute for Basic Science, Ulsan, Republic of Korea
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8
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S. V. S, Augustine D, Mushtaq S, Baeshen HA, Ashi H, Hassan RN, Alshahrani M, Patil S. Revitalizing oral cancer research: Crispr-Cas9 technology the promise of genetic editing. Front Oncol 2024; 14:1383062. [PMID: 38915370 PMCID: PMC11194394 DOI: 10.3389/fonc.2024.1383062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Accepted: 05/08/2024] [Indexed: 06/26/2024] Open
Abstract
This review presents an in-depth analysis of the immense potential of CRISPR-Cas9 technology in revolutionizing oral cancer research. It underscores the inherent limitations of conventional treatments while emphasizing the pressing need for groundbreaking approaches. The unparalleled capability of CRISPR-Cas9 to precisely target and modify specific genes involved in cancer progression heralds a new era in therapeutic intervention. Employing genome-wide CRISPR screens, vulnerabilities in oral cancer cells can be identified, thereby unravelling promising targets for therapeutic interventions. In the realm of oral cancer, the disruptive power of CRISPR-Cas9 manifests through its capacity to perturb genes that are intricately associated with drug resistance, consequently augmenting the efficacy of chemotherapy. To address the challenges that arise, this review diligently examines pertinent issues such as off-target effects, efficient delivery mechanisms, and the ethical considerations surrounding germline editing. Through precise gene editing, facilitated by CRISPR/Cas9, it becomes possible to overcome drug resistance by rectifying mutations, thereby enhancing the efficacy of personalized treatment strategies. This review delves into the prospects of CRISPR-Cas9, illuminating its potential applications in the domains of medicine, agriculture, and biotechnology. It is paramount to emphasize the necessity of ongoing research endeavors and the imperative to develop targeted therapies tailored specifically for oral cancer. By embracing this comprehensive overview, we can pave the way for ground-breaking treatments that instill renewed hope for enhanced outcomes in individuals afflicted by oral cancer.
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Affiliation(s)
- Sowmya S. V.
- Department of Oral Pathology and Microbiology, Faculty of Dental Sciences, MS Ramaiah University of Applied Sciences, Bengaluru, Karnataka, India
| | - Dominic Augustine
- Department of Oral Pathology and Microbiology, Faculty of Dental Sciences, MS Ramaiah University of Applied Sciences, Bengaluru, Karnataka, India
| | - Shazia Mushtaq
- College of Applied Medical Sciences, Dental Health Department, King Saud University, Riyadh, Saudi Arabia
| | - Hosam Ali Baeshen
- Department of Orthodontics, Faculty of Dentistry, King Abdulziz University, Jeddah, Saudi Arabia
| | - Heba Ashi
- Department of Dental Public Health, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Reem Nabil Hassan
- Biological Sciences Department (Genome), Faculty of Sciences, King Abdul-Aziz University, Jeddah, Saudi Arabia
| | - Mohammed Alshahrani
- Endodontic Department, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Shankargouda Patil
- College of Dental Medicine, Roseman University of Health Sciences, South Jordan, UT, United States
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9
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Park JH, Hothi P, de Lomana ALG, Pan M, Calder R, Turkarslan S, Wu WJ, Lee H, Patel AP, Cobbs C, Huang S, Baliga NS. Gene regulatory network topology governs resistance and treatment escape in glioma stem-like cells. SCIENCE ADVANCES 2024; 10:eadj7706. [PMID: 38848360 PMCID: PMC11160475 DOI: 10.1126/sciadv.adj7706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 05/03/2024] [Indexed: 06/09/2024]
Abstract
Poor prognosis and drug resistance in glioblastoma (GBM) can result from cellular heterogeneity and treatment-induced shifts in phenotypic states of tumor cells, including dedifferentiation into glioma stem-like cells (GSCs). This rare tumorigenic cell subpopulation resists temozolomide, undergoes proneural-to-mesenchymal transition (PMT) to evade therapy, and drives recurrence. Through inference of transcriptional regulatory networks (TRNs) of patient-derived GSCs (PD-GSCs) at single-cell resolution, we demonstrate how the topology of transcription factor interaction networks drives distinct trajectories of cell-state transitions in PD-GSCs resistant or susceptible to cytotoxic drug treatment. By experimentally testing predictions based on TRN simulations, we show that drug treatment drives surviving PD-GSCs along a trajectory of intermediate states, exposing vulnerability to potentiated killing by siRNA or a second drug targeting treatment-induced transcriptional programs governing nongenetic cell plasticity. Our findings demonstrate an approach to uncover TRN topology and use it to rationally predict combinatorial treatments that disrupt acquired resistance in GBM.
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Affiliation(s)
| | - Parvinder Hothi
- Ivy Center for Advanced Brain Tumor Treatment, Swedish Neuroscience Institute, Seattle, WA, USA
| | | | - Min Pan
- Institute for Systems Biology, Seattle, WA, USA
| | | | | | - Wei-Ju Wu
- Institute for Systems Biology, Seattle, WA, USA
| | - Hwahyung Lee
- Ivy Center for Advanced Brain Tumor Treatment, Swedish Neuroscience Institute, Seattle, WA, USA
| | - Anoop P. Patel
- Department of Neurosurgery, Preston Robert Tisch Brain Tumor Center, Duke University, Durham, NC, USA
- Center for Advanced Genomic Technologies, Duke University, Durham, NC, USA
| | - Charles Cobbs
- Ivy Center for Advanced Brain Tumor Treatment, Swedish Neuroscience Institute, Seattle, WA, USA
| | - Sui Huang
- Institute for Systems Biology, Seattle, WA, USA
| | - Nitin S. Baliga
- Institute for Systems Biology, Seattle, WA, USA
- Departments of Microbiology, Biology, and Molecular Engineering Sciences, University of Washington, Seattle, WA, USA
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10
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McCord M, Jamshidi P. Targeting the cell cycle to enhance chemotherapy efficacy in glioblastoma. Neuro Oncol 2024; 26:1097-1098. [PMID: 38517031 PMCID: PMC11145455 DOI: 10.1093/neuonc/noae062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Indexed: 03/23/2024] Open
Affiliation(s)
- Matthew McCord
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Pouya Jamshidi
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
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11
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Lang F, Cornwell JA, Kaur K, Elmogazy O, Zhang W, Zhang M, Song H, Sun Z, Wu X, Aladjem MI, Aregger M, Cappell SD, Yang C. Abrogation of the G2/M checkpoint as a chemosensitization approach for alkylating agents. Neuro Oncol 2024; 26:1083-1096. [PMID: 38134889 PMCID: PMC11145461 DOI: 10.1093/neuonc/noad252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Indexed: 12/24/2023] Open
Abstract
BACKGROUND The cell cycle is tightly regulated by checkpoints, which play a vital role in controlling its progression and timing. Cancer cells exploit the G2/M checkpoint, which serves as a resistance mechanism against genotoxic anticancer treatments, allowing for DNA repair prior to cell division. Manipulating cell cycle timing has emerged as a potential strategy to augment the effectiveness of DNA damage-based therapies. METHODS In this study, we conducted a forward genome-wide CRISPR/Cas9 screening with repeated exposure to the alkylating agent temozolomide (TMZ) to investigate the mechanisms underlying tumor cell survival under genotoxic stress. RESULTS Our findings revealed that canonical DNA repair pathways, including the Ataxia-telangiectasia mutated (ATM)/Fanconi and mismatch repair, determine cell fate under genotoxic stress. Notably, we identified the critical role of PKMYT1, in ensuring cell survival. Depletion of PKMYT1 led to overwhelming TMZ-induced cytotoxicity in cancer cells. Isobologram analysis demonstrated potent drug synergy between alkylating agents and a Myt1 kinase inhibitor, RP-6306. Mechanistically, inhibiting Myt1 forced G2/M-arrested cells into an unscheduled transition to the mitotic phase without complete resolution of DNA damage. This forced entry into mitosis, along with persistent DNA damage, resulted in severe mitotic abnormalities. Ultimately, these aberrations led to mitotic exit with substantial apoptosis. Preclinical animal studies demonstrated that the combination regimen involving TMZ and RP-6306 prolonged the overall survival of glioma-bearing mice. CONCLUSIONS Collectively, our findings highlight the potential of targeting cell cycle timing through Myt1 inhibition as an effective strategy to enhance the efficacy of current standard cancer therapies, potentially leading to improved disease outcomes.
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Affiliation(s)
- Fengchao Lang
- Neuro-Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland, USA
| | - James A Cornwell
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland, USA
| | - Karambir Kaur
- Neuro-Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland, USA
| | - Omar Elmogazy
- Neuro-Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland, USA
| | - Wei Zhang
- Neuro-Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland, USA
| | - Meili Zhang
- Neuro-Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland, USA
| | - Hua Song
- Neuro-Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland, USA
| | - Zhonghe Sun
- Cancer Research Technology Program, Frederick National Laboratory for Cancer Research, Frederick, Maryland, USA
| | - Xiaolin Wu
- Cancer Research Technology Program, Frederick National Laboratory for Cancer Research, Frederick, Maryland, USA
| | - Mirit I Aladjem
- Developmental Therapeutics Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland, USA
| | - Michael Aregger
- Molecular Targets Program, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland, USA
| | - Steven D Cappell
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland, USA
| | - Chunzhang Yang
- Neuro-Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland, USA
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12
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Fang Y, Li X, Tian R. Unlocking Glioblastoma Vulnerabilities with CRISPR-Based Genetic Screening. Int J Mol Sci 2024; 25:5702. [PMID: 38891890 PMCID: PMC11171782 DOI: 10.3390/ijms25115702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Revised: 05/17/2024] [Accepted: 05/22/2024] [Indexed: 06/21/2024] Open
Abstract
Glioblastoma (GBM) is the most common malignant brain tumor in adults. Despite advancements in treatment, the prognosis for patients with GBM remains poor due to its aggressive nature and resistance to therapy. CRISPR-based genetic screening has emerged as a powerful tool for identifying genes crucial for tumor progression and treatment resistance, offering promising targets for tumor therapy. In this review, we provide an overview of the recent advancements in CRISPR-based genetic screening approaches and their applications in GBM. We highlight how these approaches have been used to uncover the genetic determinants of GBM progression and responsiveness to various therapies. Furthermore, we discuss the ongoing challenges and future directions of CRISPR-based screening methods in advancing GBM research.
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Affiliation(s)
- Yitong Fang
- Department of Medical Neuroscience, School of Medicine, Southern University of Science and Technology, Shenzhen 518055, China; (Y.F.); (X.L.)
- Key University Laboratory of Metabolism and Health of Guangdong, Southern University of Science and Technology, Shenzhen 518055, China
| | - Xing Li
- Department of Medical Neuroscience, School of Medicine, Southern University of Science and Technology, Shenzhen 518055, China; (Y.F.); (X.L.)
- Key University Laboratory of Metabolism and Health of Guangdong, Southern University of Science and Technology, Shenzhen 518055, China
| | - Ruilin Tian
- Department of Medical Neuroscience, School of Medicine, Southern University of Science and Technology, Shenzhen 518055, China; (Y.F.); (X.L.)
- Key University Laboratory of Metabolism and Health of Guangdong, Southern University of Science and Technology, Shenzhen 518055, China
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13
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Yuan J, Meng H, Liu Y, Wang L, Zhu Q, Wang Z, Liu H, Zhang K, Zhao J, Li W, Wang Y. Bacillus amyloliquefaciens attenuates the intestinal permeability, oxidative stress and endoplasmic reticulum stress: transcriptome and microbiome analyses in weaned piglets. Front Microbiol 2024; 15:1362487. [PMID: 38808274 PMCID: PMC11131103 DOI: 10.3389/fmicb.2024.1362487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Accepted: 04/22/2024] [Indexed: 05/30/2024] Open
Abstract
Endoplasmic reticulum (ER) stress is related to oxidative stress (OS) and leads to intestinal injury. Bacillus amyloliquefaciens SC06 (SC06) can regulate OS, but its roles in intestinal ER stress remains unclear. Using a 2 × 2 factorial design, 32 weaned piglets were treated by two SC06 levels (0 or 1 × 108 CFU/g), either with or without diquat (DQ) injection. We found that SC06 increased growth performance, decreased ileal permeability, OS and ER stress in DQ-treated piglets. Transcriptome showed that differentially expressed genes (DEGs) induced by DQ were enriched in NF-κB signaling pathway. DEGs between DQ- and SC06 + DQ-treated piglets were enriched in glutathione metabolism pathway. Ileal microbiome revealed that the SC06 + DQ treatment decreased Clostridium and increased Actinobacillus. Correlations were found between microbiota and ER stress genes. In conclusion, dietary SC06 supplementation increased the performance, decreased the permeability, OS and ER stress in weaned piglets by regulating ileal genes and microbiota.
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Affiliation(s)
- Junmeng Yuan
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao, China
| | - Hongling Meng
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao, China
| | - Yu Liu
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao, China
| | - Li Wang
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao, China
| | - Qizhen Zhu
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao, China
| | - Zhengyu Wang
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao, China
| | - Huawei Liu
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao, China
| | - Kai Zhang
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao, China
| | - Jinshan Zhao
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao, China
| | - Weifen Li
- College of Animal Sciences, Zhejiang University, Hangzhou, China
| | - Yang Wang
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao, China
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14
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Turkarslan S, He Y, Hothi P, Murie C, Nicolas A, Kannan K, Park JH, Pan M, Awawda A, Cole ZD, Shapiro MA, Stuhlmiller TJ, Lee H, Patel AP, Cobbs C, Baliga NS. An atlas of causal and mechanistic drivers of interpatient heterogeneity in glioma. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2024.04.05.24305380. [PMID: 38633778 PMCID: PMC11023657 DOI: 10.1101/2024.04.05.24305380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Abstract
Grade IV glioma, formerly known as glioblastoma multiforme (GBM) is the most aggressive and lethal type of brain tumor, and its treatment remains challenging in part due to extensive interpatient heterogeneity in disease driving mechanisms and lack of prognostic and predictive biomarkers. Using mechanistic inference of node-edge relationship (MINER), we have analyzed multiomics profiles from 516 patients and constructed an atlas of causal and mechanistic drivers of interpatient heterogeneity in GBM (gbmMINER). The atlas has delineated how 30 driver mutations act in a combinatorial scheme to causally influence a network of regulators (306 transcription factors and 73 miRNAs) of 179 transcriptional "programs", influencing disease progression in patients across 23 disease states. Through extensive testing on independent patient cohorts, we share evidence that a machine learning model trained on activity profiles of programs within gbmMINER significantly augments risk stratification, identifying patients who are super-responders to standard of care and those that would benefit from 2 nd line treatments. In addition to providing mechanistic hypotheses regarding disease prognosis, the activity of programs containing targets of 2 nd line treatments accurately predicted efficacy of 28 drugs in killing glioma stem-like cells from 43 patients. Our findings demonstrate that interpatient heterogeneity manifests from differential activities of transcriptional programs, providing actionable strategies for mechanistically characterizing GBM from a systems perspective and developing better prognostic and predictive biomarkers for personalized medicine.
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15
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Li X, Sun S, Zhang W, Liang Z, Fang Y, Sun T, Wan Y, Ma X, Zhang S, Xu Y, Tian R. Identification of genetic modifiers enhancing B7-H3-targeting CAR T cell therapy against glioblastoma through large-scale CRISPRi screening. J Exp Clin Cancer Res 2024; 43:95. [PMID: 38561797 PMCID: PMC10986136 DOI: 10.1186/s13046-024-03027-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 03/24/2024] [Indexed: 04/04/2024] Open
Abstract
BACKGROUND Glioblastoma multiforme (GBM) is a highly aggressive brain tumor with a poor prognosis. Current treatment options are limited and often ineffective. CAR T cell therapy has shown success in treating hematologic malignancies, and there is growing interest in its potential application in solid tumors, including GBM. However, current CAR T therapy lacks clinical efficacy against GBM due to tumor-related resistance mechanisms and CAR T cell deficiencies. Therefore, there is a need to improve CAR T cell therapy efficacy in GBM. METHODS We conducted large-scale CRISPR interference (CRISPRi) screens in GBM cell line U87 MG cells co-cultured with B7-H3 targeting CAR T cells to identify genetic modifiers that can enhance CAR T cell-mediated tumor killing. Flow cytometry-based tumor killing assay and CAR T cell activation assay were performed to validate screening hits. Bioinformatic analyses on bulk and single-cell RNA sequencing data and the TCGA database were employed to elucidate the mechanism underlying enhanced CAR T efficacy upon knocking down the selected screening hits in U87 MG cells. RESULTS We established B7-H3 as a targetable antigen for CAR T therapy in GBM. Through large-scale CRISPRi screening, we discovered genetic modifiers in GBM cells, including ARPC4, PI4KA, ATP6V1A, UBA1, and NDUFV1, that regulated the efficacy of CAR T cell-mediated tumor killing. Furthermore, we discovered that TNFSF15 was upregulated in both ARPC4 and NDUFV1 knockdown GBM cells and revealed an immunostimulatory role of TNFSF15 in modulating tumor-CAR T interaction to enhance CAR T cell efficacy. CONCLUSIONS Our study highlights the power of CRISPR-based genetic screening in investigating tumor-CAR T interaction and identifies potential druggable targets in tumor cells that confer resistance to CAR T cell killing. Furthermore, we devised targeted strategies that synergize with CAR T therapy against GBM. These findings shed light on the development of novel combinatorial strategies for effective immunotherapy of GBM and other solid tumors.
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Affiliation(s)
- Xing Li
- School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong Province, 518055, China
- Key University Laboratory of Metabolism and Health of Guangdong, Southern University of Science and Technology, Shenzhen, Guangdong Province, 518055, China
| | - Shiyu Sun
- School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong Province, 518055, China
- Department of Oncology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, 710004, China
| | - Wansong Zhang
- School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong Province, 518055, China
- Key University Laboratory of Metabolism and Health of Guangdong, Southern University of Science and Technology, Shenzhen, Guangdong Province, 518055, China
| | - Ziwei Liang
- School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong Province, 518055, China
| | - Yitong Fang
- School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong Province, 518055, China
- Key University Laboratory of Metabolism and Health of Guangdong, Southern University of Science and Technology, Shenzhen, Guangdong Province, 518055, China
| | - Tianhu Sun
- School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong Province, 518055, China
- Key University Laboratory of Metabolism and Health of Guangdong, Southern University of Science and Technology, Shenzhen, Guangdong Province, 518055, China
| | - Yong Wan
- Department of Neurosurgery, Shenzhen People's Hospital, Shenzhen, Guangdong, 518020, China
| | - Xingcong Ma
- Department of Oncology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, 710004, China
| | - Shuqun Zhang
- Department of Oncology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, 710004, China.
| | - Yang Xu
- School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong Province, 518055, China.
| | - Ruilin Tian
- School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong Province, 518055, China.
- Key University Laboratory of Metabolism and Health of Guangdong, Southern University of Science and Technology, Shenzhen, Guangdong Province, 518055, China.
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16
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Park JH, Hothi P, Lopez Garcia de Lomana A, Pan M, Calder R, Turkarslan S, Wu WJ, Lee H, Patel AP, Cobbs C, Huang S, Baliga NS. Gene regulatory network topology governs resistance and treatment escape in glioma stem-like cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.02.02.578510. [PMID: 38370784 PMCID: PMC10871280 DOI: 10.1101/2024.02.02.578510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/20/2024]
Abstract
Poor prognosis and drug resistance in glioblastoma (GBM) can result from cellular heterogeneity and treatment-induced shifts in phenotypic states of tumor cells, including dedifferentiation into glioma stem-like cells (GSCs). This rare tumorigenic cell subpopulation resists temozolomide, undergoes proneural-to-mesenchymal transition (PMT) to evade therapy, and drives recurrence. Through inference of transcriptional regulatory networks (TRNs) of patient-derived GSCs (PD-GSCs) at single-cell resolution, we demonstrate how the topology of transcription factor interaction networks drives distinct trajectories of cell state transitions in PD-GSCs resistant or susceptible to cytotoxic drug treatment. By experimentally testing predictions based on TRN simulations, we show that drug treatment drives surviving PD-GSCs along a trajectory of intermediate states, exposing vulnerability to potentiated killing by siRNA or a second drug targeting treatment-induced transcriptional programs governing non-genetic cell plasticity. Our findings demonstrate an approach to uncover TRN topology and use it to rationally predict combinatorial treatments that disrupts acquired resistance in GBM.
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Affiliation(s)
| | - Parvinder Hothi
- Ivy Center for Advanced Brain Tumor Treatment, Swedish Neuroscience Institute, Seattle, WA
| | | | - Min Pan
- Institute for Systems Biology, Seattle, WA
| | | | | | - Wei-Ju Wu
- Institute for Systems Biology, Seattle, WA
| | - Hwahyung Lee
- Ivy Center for Advanced Brain Tumor Treatment, Swedish Neuroscience Institute, Seattle, WA
| | - Anoop P Patel
- Department of Neurosurgery, Preston Robert Tisch Brain Tumor Center, Duke University, Durham, NC
- Center for Advanced Genomic Technologies, Duke University, Durham, NC
| | - Charles Cobbs
- Ivy Center for Advanced Brain Tumor Treatment, Swedish Neuroscience Institute, Seattle, WA
| | - Sui Huang
- Institute for Systems Biology, Seattle, WA
| | - Nitin S Baliga
- Institute for Systems Biology, Seattle, WA
- Departments of Microbiology, Biology, and Molecular Engineering Sciences, University of Washington, Seattle, WA
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17
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Diaz LR, Gil-Ranedo J, Jaworek KJ, Nsek N, Marques JP, Costa E, Hilton DA, Bieluczyk H, Warrington O, Hanemann CO, Futschik ME, Bossing T, Barros CS. Ribogenesis boosts controlled by HEATR1-MYC interplay promote transition into brain tumour growth. EMBO Rep 2024; 25:168-197. [PMID: 38225354 PMCID: PMC10897169 DOI: 10.1038/s44319-023-00017-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 11/16/2023] [Accepted: 11/22/2023] [Indexed: 01/17/2024] Open
Abstract
Cell commitment to tumourigenesis and the onset of uncontrolled growth are critical determinants in cancer development but the early events directing tumour initiating cell (TIC) fate remain unclear. We reveal a single-cell transcriptome profile of brain TICs transitioning into tumour growth using the brain tumour (brat) neural stem cell-based Drosophila model. Prominent changes in metabolic and proteostasis-associated processes including ribogenesis are identified. Increased ribogenesis is a known cell adaptation in established tumours. Here we propose that brain TICs boost ribogenesis prior to tumour growth. In brat-deficient TICs, we show that this dramatic change is mediated by upregulated HEAT-Repeat Containing 1 (HEATR1) to promote ribosomal RNA generation, TIC enlargement and onset of overgrowth. High HEATR1 expression correlates with poor glioma patient survival and patient-derived glioblastoma stem cells rely on HEATR1 for enhanced ribogenesis and tumourigenic potential. Finally, we show that HEATR1 binds the master growth regulator MYC, promotes its nucleolar localisation and appears required for MYC-driven ribogenesis, suggesting a mechanism co-opted in ribogenesis reprogramming during early brain TIC development.
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Affiliation(s)
- Laura R Diaz
- Peninsula Medical School, Faculty of Health, John Bull Building, University of Plymouth, PL6 8BU, Plymouth, UK
| | - Jon Gil-Ranedo
- Peninsula Medical School, Faculty of Health, John Bull Building, University of Plymouth, PL6 8BU, Plymouth, UK
| | - Karolina J Jaworek
- Peninsula Medical School, Faculty of Health, John Bull Building, University of Plymouth, PL6 8BU, Plymouth, UK
- School of Biological Sciences, Bangor University, LL57 2UW, Bangor, UK
| | - Nsikan Nsek
- Peninsula Medical School, Faculty of Health, John Bull Building, University of Plymouth, PL6 8BU, Plymouth, UK
| | - Joao Pinheiro Marques
- Peninsula Medical School, Faculty of Health, John Bull Building, University of Plymouth, PL6 8BU, Plymouth, UK
| | - Eleni Costa
- Peninsula Medical School, Faculty of Health, John Bull Building, University of Plymouth, PL6 8BU, Plymouth, UK
| | - David A Hilton
- Department of Cellular and Anatomical Pathology, University Hospitals Plymouth, PL6 8DH, Plymouth, UK
| | - Hubert Bieluczyk
- Peninsula Medical School, Faculty of Health, John Bull Building, University of Plymouth, PL6 8BU, Plymouth, UK
| | - Oliver Warrington
- Peninsula Medical School, Faculty of Health, John Bull Building, University of Plymouth, PL6 8BU, Plymouth, UK
- Wellcome Centre for Human Neuroimaging, UCL Queen Square Institute of Neurology, University College London, WC1N 3AR, London, UK
| | - C Oliver Hanemann
- Peninsula Medical School, Faculty of Health, John Bull Building, University of Plymouth, PL6 8BU, Plymouth, UK
| | - Matthias E Futschik
- School of Biomedical Sciences, Faculty of Health, Derriford Research Facility, University of Plymouth, PL6 8BU, Plymouth, UK
- Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, 3004-504, Coimbra, Portugal
| | - Torsten Bossing
- Peninsula Medical School, Faculty of Health, John Bull Building, University of Plymouth, PL6 8BU, Plymouth, UK
| | - Claudia S Barros
- Peninsula Medical School, Faculty of Health, John Bull Building, University of Plymouth, PL6 8BU, Plymouth, UK.
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18
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Zhou X, Mahdizadeh SJ, Le Gallo M, Eriksson LA, Chevet E, Lafont E. UFMylation: a ubiquitin-like modification. Trends Biochem Sci 2024; 49:52-67. [PMID: 37945409 DOI: 10.1016/j.tibs.2023.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 09/28/2023] [Accepted: 10/06/2023] [Indexed: 11/12/2023]
Abstract
Post-translational modifications (PTMs) add a major degree of complexity to the proteome and are essential controllers of protein homeostasis. Amongst the hundreds of PTMs identified, ubiquitin and ubiquitin-like (UBL) modifications are recognized as key regulators of cellular processes through their ability to affect protein-protein interactions, protein stability, and thus the functions of their protein targets. Here, we focus on the most recently identified UBL, ubiquitin-fold modifier 1 (UFM1), and the machinery responsible for its transfer to substrates (UFMylation) or its removal (deUFMylation). We first highlight the biochemical peculiarities of these processes, then we develop on how UFMylation and its machinery control various intertwined cellular processes and we highlight some of the outstanding research questions in this emerging field.
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Affiliation(s)
- Xingchen Zhou
- Inserm U1242, University of Rennes, Rennes, France; Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Sayyed J Mahdizadeh
- Department of Chemistry and Molecular Biology, University of Gothenburg, Gothenburg, Sweden
| | - Matthieu Le Gallo
- Inserm U1242, University of Rennes, Rennes, France; Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Leif A Eriksson
- Department of Chemistry and Molecular Biology, University of Gothenburg, Gothenburg, Sweden
| | - Eric Chevet
- Inserm U1242, University of Rennes, Rennes, France; Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France.
| | - Elodie Lafont
- Inserm U1242, University of Rennes, Rennes, France; Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France.
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19
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Zhou Q, Wang Y, Xin C, Wei X, Yao Y, Xia L. Identification of telomere-associated gene signatures to predict prognosis and drug sensitivity in glioma. Comput Biol Med 2024; 168:107750. [PMID: 38029531 DOI: 10.1016/j.compbiomed.2023.107750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 11/11/2023] [Accepted: 11/20/2023] [Indexed: 12/01/2023]
Abstract
OBJECTIVE Gliomas are a heterogeneous group of brain tumors with distinct biological and clinical properties, leading to significant mortality and morbidity. Emerging evidence shows telomere maintenance has implicated in glioma susceptibility and prognosis. In this study, we comprehensively analyzed gene signatures related to telomere maintenance in glioma and their predictive values for predicting the prognosis and drug sensitivity in glioma. METHODS We initially identified telomere-related genes differentially expressed between low-grade glioma (LGG) and glioblastoma (GBM) and accordingly developed a risk model by univariate and multivariate Cox analysis to assess the expressions of telomere-related genes across the risk groups. Finally, to assess these genes in immune function the anti-tumor medications often used in the clinical treatment of glioma, we computed immune cell infiltration analysis and drug sensitivity analysis. RESULTS The consensus clustering analysis identified 20 telomere-related genes which split LGG patients into two distinct subtypes. The patient survival, the expressions of key telomere-related DEGs, and immune cell infiltration significantly differed between Cluster 1 and Cluster 2. The LASSO risk model [riskScore=(0.086)*HOXA7+(0.242)*WEE1+(0.247)*IGF2BP3+(0.052)*DUSP10] showed significant differences regarding the 1-, 3-, 5-year overall survival, immune cell infiltration, and drug sensitivity between high- and low-risk groups. The predictive nomogram constructed to quantify the survival probability of each sample at 1, 3, and 5 years was consistent with the actual patient survival. CONCLUSION Our comprehensive characterization of telomere-associated gene signatures in glioma reveals their possible roles in the development, tumor microenvironment, and prognosis. The study provides some suggestive relationships between four telomere-related genes (HOXA7, WEE1, IGF2BP3, and DUSP10) and glioma prognosis.
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Affiliation(s)
- Qingqing Zhou
- Department of Neurosurgery, The First Affiliated Hospital of Yangtze University, Jingzhou First People's Hospital, Jingzhou, 434000, People's Republic of China
| | - Yamei Wang
- Department of Neurology, The First Affiliated Hospital of Yangtze University, Jingzhou First People's Hospital, Jingzhou, 434000, People's Republic of China
| | - Chenqi Xin
- Department of Scientific Research, The First Affiliated Hospital of Yangtze University, Jingzhou First People's Hospital, Jingzhou, 434000, People's Republic of China
| | - XiaoMing Wei
- Department of Neurosurgery, The First Affiliated Hospital of Yangtze University, Jingzhou First People's Hospital, Jingzhou, 434000, People's Republic of China
| | - Yuan Yao
- Department of Neurosurgery, The First Affiliated Hospital of Yangtze University, Jingzhou First People's Hospital, Jingzhou, 434000, People's Republic of China.
| | - Liang Xia
- Department of Neurosurgery, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital) Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, 310022, People's Republic of China.
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20
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Nemr CR, Sklavounos AA, Wheeler AR, Kelley SO. WITHDRAWN: Digital microfluidics as an emerging tool for bacterial protocols. SLAS DISCOVERY : ADVANCING LIFE SCIENCES R & D 2023; 29:133. [PMID: 38101571 DOI: 10.1016/j.slasd.2023.12.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 09/30/2022] [Accepted: 10/25/2022] [Indexed: 12/17/2023]
Affiliation(s)
- Carine R Nemr
- Department of Chemistry, Harvey Mudd College, 301 Platt Boulevard, Claremont, CA, 91711, USA; Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada.
| | - Alexandros A Sklavounos
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada; Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, 160 College Street, Toronto, Ontario, M5S 3G9, Canada
| | - Aaron R Wheeler
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada; Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, 160 College Street, Toronto, Ontario, M5S 3G9, Canada; Institute of Biomedical Engineering, University of Toronto, 164 College Street, Toronto, Ontario, M5S 3G9, Canada
| | - Shana O Kelley
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada; Institute of Biomedical Engineering, University of Toronto, 164 College Street, Toronto, Ontario, M5S 3G9, Canada; Department of Pharmaceutical Science, University of Toronto, 144 College Street, Toronto, Ontario, M5S 3E5, Canada; Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL, 60208, USA; Department of Biomedical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL, 60208, USA
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21
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Genoud V, Kinnersley B, Brown NF, Ottaviani D, Mulholland P. Therapeutic Targeting of Glioblastoma and the Interactions with Its Microenvironment. Cancers (Basel) 2023; 15:5790. [PMID: 38136335 PMCID: PMC10741850 DOI: 10.3390/cancers15245790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 12/01/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023] Open
Abstract
Glioblastoma (GBM) is the most common primary malignant brain tumour, and it confers a dismal prognosis despite intensive multimodal treatments. Whilst historically, research has focussed on the evolution of GBM tumour cells themselves, there is growing recognition of the importance of studying the tumour microenvironment (TME). Improved characterisation of the interaction between GBM cells and the TME has led to a better understanding of therapeutic resistance and the identification of potential targets to block these escape mechanisms. This review describes the network of cells within the TME and proposes treatment strategies for simultaneously targeting GBM cells, the surrounding immune cells, and the crosstalk between them.
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Affiliation(s)
- Vassilis Genoud
- Glioblastoma Research Group, University College London, London WC1E 6DD, UK (B.K.)
- Department of Oncology, University College London Hospitals, London NW1 2PB, UK
- Department of Oncology, University Hospitals of Geneva, 1205 Geneva, Switzerland
- Centre for Translational Research in Onco-Haematology, University of Geneva, 1205 Geneva, Switzerland
| | - Ben Kinnersley
- Glioblastoma Research Group, University College London, London WC1E 6DD, UK (B.K.)
- Department of Oncology, University College London Hospitals, London NW1 2PB, UK
| | - Nicholas F. Brown
- Glioblastoma Research Group, University College London, London WC1E 6DD, UK (B.K.)
- Guy’s Cancer, Guy’s & St Thomas’ NHS Foundation Trust, London SE1 3SS, UK
| | - Diego Ottaviani
- Glioblastoma Research Group, University College London, London WC1E 6DD, UK (B.K.)
- Department of Oncology, University College London Hospitals, London NW1 2PB, UK
| | - Paul Mulholland
- Glioblastoma Research Group, University College London, London WC1E 6DD, UK (B.K.)
- Department of Oncology, University College London Hospitals, London NW1 2PB, UK
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22
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Lee TW, Hunter FW, Tsai P, Print CG, Wilson WR, Jamieson SMF. Clonal dynamics limits detection of selection in tumour xenograft CRISPR/Cas9 screens. Cancer Gene Ther 2023; 30:1610-1623. [PMID: 37684549 PMCID: PMC10721547 DOI: 10.1038/s41417-023-00664-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 08/08/2023] [Accepted: 08/29/2023] [Indexed: 09/10/2023]
Abstract
Transplantable in vivo CRISPR/Cas9 knockout screens, in which cells are edited in vitro and inoculated into mice to form tumours, allow evaluation of gene function in a cancer model that incorporates the multicellular interactions of the tumour microenvironment. To improve our understanding of the key parameters for success with this method, we investigated the choice of cell line, mouse host, tumour harvesting timepoint and guide RNA (gRNA) library size. We found that high gRNA (80-95%) representation was maintained in a HCT116 subline transduced with the GeCKOv2 whole-genome gRNA library and transplanted into NSG mice when tumours were harvested at early (14 d) but not late time points (38-43 d). The decreased representation in older tumours was accompanied by large increases in variance in gRNA read counts, with notable expansion of a small number of random clones in each sample. The variable clonal dynamics resulted in a high level of 'noise' that limited the detection of gRNA-based selection. Using simulated datasets derived from our experimental data, we show that considerable reductions in count variance would be achieved with smaller library sizes. Based on our findings, we suggest a pathway to rationally design adequately powered in vivo CRISPR screens for successful evaluation of gene function.
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Affiliation(s)
- Tet Woo Lee
- Auckland Cancer Society Research Centre, University of Auckland, Auckland, New Zealand.
- Maurice Wilkins Centre for Molecular Biodiscovery, University of Auckland, Auckland, New Zealand.
| | - Francis W Hunter
- Auckland Cancer Society Research Centre, University of Auckland, Auckland, New Zealand
- Maurice Wilkins Centre for Molecular Biodiscovery, University of Auckland, Auckland, New Zealand
- Oncology Therapeutic Area, Janssen Research and Development, Spring House, PA, USA
| | - Peter Tsai
- Maurice Wilkins Centre for Molecular Biodiscovery, University of Auckland, Auckland, New Zealand
- Department of Molecular Medicine and Pathology, University of Auckland, Auckland, New Zealand
| | - Cristin G Print
- Maurice Wilkins Centre for Molecular Biodiscovery, University of Auckland, Auckland, New Zealand
- Department of Molecular Medicine and Pathology, University of Auckland, Auckland, New Zealand
| | - William R Wilson
- Auckland Cancer Society Research Centre, University of Auckland, Auckland, New Zealand
- Maurice Wilkins Centre for Molecular Biodiscovery, University of Auckland, Auckland, New Zealand
| | - Stephen M F Jamieson
- Auckland Cancer Society Research Centre, University of Auckland, Auckland, New Zealand.
- Maurice Wilkins Centre for Molecular Biodiscovery, University of Auckland, Auckland, New Zealand.
- Department of Pharmacology and Clinical Pharmacology, University of Auckland, Auckland, New Zealand.
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23
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Ghantasala S, Bhat A, Epari S, Moiyadi A, Srivastava S. High-Grade Gliomas from Subventricular Zone: Proteomic Drivers of Aggressiveness Using Fluorescence-Guided Multiple Sampling. OMICS : A JOURNAL OF INTEGRATIVE BIOLOGY 2023; 27:598-606. [PMID: 38055199 DOI: 10.1089/omi.2023.0124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
High-grade gliomas (HGGs) are among the most aggressive brain tumors and are characterized by dismally low median survival time. Of the many factors influencing the survival of patients with HGGs, proximity to the subventricular zone (SVZ) is one of the key influencers. In this context, 5-amino levulinic acid fluorescence-guided multiple sampling (FGMS) offers the prospect of understanding patient-to-patient molecular heterogeneity driving the aggressiveness of these tumors. Using high-resolution liquid chromatography-mass spectrometry (MS)/MS proteomics for HGGs from seven patients (four SVZ associated and three SVZ nonassociated), this study aimed to uncover the mechanisms driving the aggressiveness in SVZ-associated (SVZ+) HGGs. Differential proteomics analysis revealed significant dysregulation of 11 proteins, of which 9 proteins were upregulated and 2 were downregulated in SVZ+ HGGs compared to SVZ-non-associated (SVZ-) HGGs. The gene set enrichment analysis (GSEA) of the proteomics dataset revealed enrichment of MYC targets V1 and V2, G2M checkpoints, and E2F targets in SVZ+ HGGs. With GSEA, we also compared the pathways enriched in glioma stem cell subpopulations and observed a similar expression trend for most pathways in our data. In conclusion, this study reveals new and emerging insights on pathways that may potentially contribute to greater aggressiveness in SVZ+ HGGs. Future studies using FGMS in larger cohorts are recommended to help uncover the proteomics and molecular basis of aggressiveness and stemness in HGGs.
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Affiliation(s)
- Saicharan Ghantasala
- Centre for Research in Nano Technology and Science, Indian Institute of Technology Bombay, Powai, India
| | - Amruth Bhat
- Department of Bioengineering, Indian Institute of Science, Bengaluru, India
| | - Sridhar Epari
- Department of Pathology, Tata Memorial Centre's-Advanced Centre for Treatment, Research and Education in Cancer, Navi Mumbai, India
- Homi Bhabha National Institute, Mumbai, India
| | - Aliasgar Moiyadi
- Homi Bhabha National Institute, Mumbai, India
- Department of Neurosurgery, Tata Memorial Centre's-Advanced Centre for Treatment, Research and Education in Cancer, Navi Mumbai, India
| | - Sanjeeva Srivastava
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, India
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24
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Qu J, Qiu B, Zhang Y, Hu Y, Wang Z, Guan Z, Qin Y, Sui T, Wu F, Li B, Han W, Peng X. The tumor-enriched small molecule gambogic amide suppresses glioma by targeting WDR1-dependent cytoskeleton remodeling. Signal Transduct Target Ther 2023; 8:424. [PMID: 37935665 PMCID: PMC10630452 DOI: 10.1038/s41392-023-01666-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 09/17/2023] [Accepted: 09/30/2023] [Indexed: 11/09/2023] Open
Abstract
Glioma is the most prevalent brain tumor, presenting with limited treatment options, while patients with malignant glioma and glioblastoma (GBM) have poor prognoses. The physical obstacle to drug delivery imposed by the blood‒brain barrier (BBB) and glioma stem cells (GSCs), which are widely recognized as crucial elements contributing to the unsatisfactory clinical outcomes. In this study, we found a small molecule, gambogic amide (GA-amide), exhibited the ability to effectively penetrate the blood-brain barrier (BBB) and displayed a notable enrichment within the tumor region. Moreover, GA-amide exhibited significant efficacy in inhibiting tumor growth across various in vivo glioma models, encompassing transgenic and primary patient-derived xenograft (PDX) models. We further performed a genome-wide clustered regularly interspaced short palindromic repeats (CRISPR) knockout screen to determine the druggable target of GA-amide. By the combination of the cellular thermal shift assay (CETSA), the drug affinity responsive target stability (DARTS) approach, molecular docking simulation and surface plasmon resonance (SPR) analysis, WD repeat domain 1 (WDR1) was identified as the direct binding target of GA-amide. Through direct interaction with WDR1, GA-amide promoted the formation of a complex involving WDR1, MYH9 and Cofilin, which accelerate the depolymerization of F-actin to inhibit the invasion of patient-derived glioma cells (PDCs) and induce PDC apoptosis via the mitochondrial apoptotic pathway. In conclusion, our study not only identified GA-amide as an effective and safe agent for treating glioma but also shed light on the underlying mechanisms of GA-amide from the perspective of cytoskeletal homeostasis.
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Affiliation(s)
- Jiaorong Qu
- Department of Molecular Biology and Biochemistry, Institute of Basic Medical Sciences, Medical Primate Research Center, Neuroscience Center, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, 100005, China
- State Key Laboratory of Common Mechanism Research for Major Diseases, Beijing, China
| | - Bojun Qiu
- Department of Molecular Biology and Biochemistry, Institute of Basic Medical Sciences, Medical Primate Research Center, Neuroscience Center, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, 100005, China
- State Key Laboratory of Common Mechanism Research for Major Diseases, Beijing, China
| | - Yuxin Zhang
- Department of Molecular Biology and Biochemistry, Institute of Basic Medical Sciences, Medical Primate Research Center, Neuroscience Center, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, 100005, China
- State Key Laboratory of Common Mechanism Research for Major Diseases, Beijing, China
| | - Yan Hu
- Department of Molecular Biology and Biochemistry, Institute of Basic Medical Sciences, Medical Primate Research Center, Neuroscience Center, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, 100005, China
- State Key Laboratory of Common Mechanism Research for Major Diseases, Beijing, China
| | - Zhixing Wang
- Department of Molecular Biology and Biochemistry, Institute of Basic Medical Sciences, Medical Primate Research Center, Neuroscience Center, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, 100005, China
- State Key Laboratory of Common Mechanism Research for Major Diseases, Beijing, China
| | - Zhiang Guan
- Department of Molecular Biology and Biochemistry, Institute of Basic Medical Sciences, Medical Primate Research Center, Neuroscience Center, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, 100005, China
- State Key Laboratory of Common Mechanism Research for Major Diseases, Beijing, China
| | - Yiming Qin
- Department of Molecular Biology and Biochemistry, Institute of Basic Medical Sciences, Medical Primate Research Center, Neuroscience Center, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, 100005, China
- State Key Laboratory of Common Mechanism Research for Major Diseases, Beijing, China
| | - Tongtong Sui
- Department of Molecular Biology and Biochemistry, Institute of Basic Medical Sciences, Medical Primate Research Center, Neuroscience Center, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, 100005, China
- State Key Laboratory of Common Mechanism Research for Major Diseases, Beijing, China
| | - Fan Wu
- Department of Molecular Neuropathology, Beijing Neurosurgical Institute, Capital Medical University, Beijing, 100070, China
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Boyang Li
- Department of Molecular Biology and Biochemistry, Institute of Basic Medical Sciences, Medical Primate Research Center, Neuroscience Center, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, 100005, China
- State Key Laboratory of Common Mechanism Research for Major Diseases, Beijing, China
| | - Wei Han
- Department of Molecular Biology and Biochemistry, Institute of Basic Medical Sciences, Medical Primate Research Center, Neuroscience Center, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, 100005, China.
- State Key Laboratory of Common Mechanism Research for Major Diseases, Beijing, China.
| | - Xiaozhong Peng
- Department of Molecular Biology and Biochemistry, Institute of Basic Medical Sciences, Medical Primate Research Center, Neuroscience Center, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, 100005, China.
- State Key Laboratory of Respiratory Health and Multimorbidity, Beijing, China.
- National Human Diseases Animal Model Resource Center, Beijing Engineering Research Center for Experimental Animal Models of Human Critical Diseases, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100021, China.
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25
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Sack T, Dhavarasa P, Szames D, O'Brien S, Angers S, Kelley SO. CRISPR Screening in Tandem with Targeted mtDNA Damage Reveals WRNIP1 Essentiality. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.03.560559. [PMID: 37873237 PMCID: PMC10592966 DOI: 10.1101/2023.10.03.560559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
A major impediment to the characterization of mtDNA repair mechanisms, in comparison to nuclear DNA repair mechanisms, is the difficulty of specifically addressing mitochondrial damage. Using a mitochondria-penetrating peptide, we can deliver DNA-damaging agents directly to mitochondria, bypassing the nuclear compartment. Here, we describe the use of a mtDNA-damaging agent in tandem with CRISPR/Cas9 screening for the genome-wide discovery of factors essential for mtDNA damage response. Using mitochondria-targeted doxorubicin (mtDox) we generate mtDNA double-strand breaks (mtDSBs) specifically in this organelle. Combined with an untargeted Dox screen, we identify genes with significantly greater essentiality during mitochondrial versus nuclear DNA damage. We characterize the essentially of our top hit - WRNIP1 - observed here for the first time to respond to mtDNA damage. We further investigate the mitochondrial role of WRNIP1 in innate immune signaling and nuclear genome maintenance, outlining a model that experimentally supports mitochondrial turnover in response to mtDSBs.
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26
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Zeng J, Zeng XX. Systems Medicine for Precise Targeting of Glioblastoma. Mol Biotechnol 2023; 65:1565-1584. [PMID: 36859639 PMCID: PMC9977103 DOI: 10.1007/s12033-023-00699-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 02/14/2023] [Indexed: 03/03/2023]
Abstract
Glioblastoma (GBM) is a malignant cancer that is fatal even after standard therapy and the effects of current available therapeutics are not promising due its complex and evolving epigenetic and genetic profile. The mysteries that lead to GBM intratumoral heterogeneity and subtype transitions are not entirely clear. Systems medicine is an approach to view the patient in a whole picture integrating systems biology and synthetic biology along with computational techniques. Since the GBM oncogenesis involves genetic mutations, various therapies including gene therapeutics based on CRISPR-Cas technique, MicroRNAs, and implanted synthetic cells endowed with synthetic circuits against GBM with neural stem cells and mesenchymal stem cells acting as potential vehicles carrying therapeutics via the intranasal route, avoiding the risks of invasive methods in order to reach the GBM cells in the brain are discussed and proposed in this review. Systems medicine approach is a rather novel strategy, and since the GBM of a patient is complex and unique, thus to devise an individualized treatment strategy to tailor personalized multimodal treatments for the individual patient taking into account the phenotype of the GBM, the unique body health profile of the patient and individual responses according to the systems medicine concept might show potential to achieve optimum effects.
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Affiliation(s)
- Jie Zeng
- Benjoe Institute of Systems Bio-Engineering, High Technology Park, Xinbei District, Changzhou, 213022 Jiangsu People’s Republic of China
| | - Xiao Xue Zeng
- Department of Health Management, Centre of General Practice, The Seventh Affiliated Hospital, Southern Medical University, No. 28, Desheng Road Section, Liguan Road, Lishui Town, Nanhai District, Foshan, 528000 Guangdong People’s Republic of China
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27
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Ariey-Bonnet J, Berges R, Montero MP, Mouysset B, Piris P, Muller K, Pinna G, Failes TW, Arndt GM, Morando P, Baeza-Kallee N, Colin C, Chinot O, Braguer D, Morelli X, André N, Carré M, Tabouret E, Figarella-Branger D, Le Grand M, Pasquier E. Combination drug screen targeting glioblastoma core vulnerabilities reveals pharmacological synergisms. EBioMedicine 2023; 95:104752. [PMID: 37572644 PMCID: PMC10433015 DOI: 10.1016/j.ebiom.2023.104752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 08/14/2023] Open
Abstract
BACKGROUND Pharmacological synergisms are an attractive anticancer strategy. However, with more than 5000 approved-drugs and compounds in clinical development, identifying synergistic treatments represents a major challenge. METHODS High-throughput screening was combined with target deconvolution and functional genomics to reveal targetable vulnerabilities in glioblastoma. The role of the top gene hit was investigated by RNA interference, transcriptomics and immunohistochemistry in glioblastoma patient samples. Drug combination screen using a custom-made library of 88 compounds in association with six inhibitors of the identified glioblastoma vulnerabilities was performed to unveil pharmacological synergisms. Glioblastoma 3D spheroid, organotypic ex vivo and syngeneic orthotopic mouse models were used to validate synergistic treatments. FINDINGS Nine targetable vulnerabilities were identified in glioblastoma and the top gene hit RRM1 was validated as an independent prognostic factor. The associations of CHK1/MEK and AURKA/BET inhibitors were identified as the most potent amongst 528 tested pairwise drug combinations and their efficacy was validated in 3D spheroid models. The high synergism of AURKA/BET dual inhibition was confirmed in ex vivo and in vivo glioblastoma models, without detectable toxicity. INTERPRETATION Our work provides strong pre-clinical evidence of the efficacy of AURKA/BET inhibitor combination in glioblastoma and opens new therapeutic avenues for this unmet medical need. Besides, we established the proof-of-concept of a stepwise approach aiming at exploiting drug poly-pharmacology to unveil druggable cancer vulnerabilities and to fast-track the identification of synergistic combinations against refractory cancers. FUNDING This study was funded by institutional grants and charities.
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Affiliation(s)
- Jérémy Ariey-Bonnet
- Aix Marseille Université, Centre National de la Recherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Paoli Calmettes, Centre de Recherche en Cancérologie de Marseille (CRCM), Marseille, France
| | - Raphael Berges
- Aix Marseille Université, CNRS, UMR 7051, INP, Inst Neurophysiopathol, Marseille, France
| | - Marie-Pierre Montero
- Aix Marseille Université, Centre National de la Recherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Paoli Calmettes, Centre de Recherche en Cancérologie de Marseille (CRCM), Marseille, France
| | - Baptiste Mouysset
- Aix Marseille Université, Centre National de la Recherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Paoli Calmettes, Centre de Recherche en Cancérologie de Marseille (CRCM), Marseille, France
| | - Patricia Piris
- Aix Marseille Université, Centre National de la Recherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Paoli Calmettes, Centre de Recherche en Cancérologie de Marseille (CRCM), Marseille, France
| | - Kevin Muller
- Aix Marseille Université, Centre National de la Recherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Paoli Calmettes, Centre de Recherche en Cancérologie de Marseille (CRCM), Marseille, France
| | - Guillaume Pinna
- Institute for Integrative Biology of the Cell (I2BC), CEA, CNRS, University Paris-Sud, Université Paris-Saclay, Gif-sur-Yvette F-91198, France
| | - Tim W Failes
- Children's Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW 2052, Australia; ACRF Drug Discovery Centre for Childhood Cancer, Children's Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW 2052, Australia
| | - Greg M Arndt
- Children's Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW 2052, Australia; ACRF Drug Discovery Centre for Childhood Cancer, Children's Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW 2052, Australia
| | - Philippe Morando
- Aix Marseille Université, CNRS, UMR 7051, INP, Inst Neurophysiopathol, Marseille, France
| | - Nathalie Baeza-Kallee
- Aix Marseille Université, CNRS, UMR 7051, INP, Inst Neurophysiopathol, Marseille, France
| | - Carole Colin
- Aix Marseille Université, CNRS, UMR 7051, INP, Inst Neurophysiopathol, Marseille, France
| | - Olivier Chinot
- Aix-Marseille University, Assistance Publique-Hopitaux de Marseille, Centre Hospitalo-Universitaire Timone, Service de Neuro-Oncologie, Marseille, France
| | - Diane Braguer
- Aix Marseille Université, CNRS, UMR 7051, INP, Inst Neurophysiopathol, Marseille, France
| | - Xavier Morelli
- Aix Marseille Université, Centre National de la Recherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Paoli Calmettes, Centre de Recherche en Cancérologie de Marseille (CRCM), Marseille, France
| | - Nicolas André
- Aix Marseille Université, Centre National de la Recherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Paoli Calmettes, Centre de Recherche en Cancérologie de Marseille (CRCM), Marseille, France; Pediatric Oncology and Hematology Department, Hôpital pour Enfant de La Timone, AP-HM, Marseille, France; Metronomics Global Health Initiative, Marseille 13385, France
| | - Manon Carré
- Aix Marseille Université, Centre National de la Recherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Paoli Calmettes, Centre de Recherche en Cancérologie de Marseille (CRCM), Marseille, France
| | - Emeline Tabouret
- Aix Marseille Université, CNRS, UMR 7051, INP, Inst Neurophysiopathol, Marseille, France; Aix-Marseille University, Assistance Publique-Hopitaux de Marseille, Centre Hospitalo-Universitaire Timone, Service de Neuro-Oncologie, Marseille, France
| | | | - Marion Le Grand
- Aix Marseille Université, Centre National de la Recherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Paoli Calmettes, Centre de Recherche en Cancérologie de Marseille (CRCM), Marseille, France.
| | - Eddy Pasquier
- Aix Marseille Université, Centre National de la Recherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Paoli Calmettes, Centre de Recherche en Cancérologie de Marseille (CRCM), Marseille, France; Metronomics Global Health Initiative, Marseille 13385, France.
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28
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Bahia RK, Hao X, Hassam R, Cseh O, Bozek DA, Luchman HA, Weiss S. Epigenetic and molecular coordination between HDAC2 and SMAD3-SKI regulates essential brain tumour stem cell characteristics. Nat Commun 2023; 14:5051. [PMID: 37598220 PMCID: PMC10439933 DOI: 10.1038/s41467-023-40776-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 08/10/2023] [Indexed: 08/21/2023] Open
Abstract
Histone deacetylases are important epigenetic regulators that have been reported to play essential roles in cancer stem cell functions and are promising therapeutic targets in many cancers including glioblastoma. However, the functionally relevant roles of specific histone deacetylases, in the maintenance of key self-renewal and growth characteristics of brain tumour stem cell (BTSC) sub-populations of glioblastoma, remain to be fully resolved. Here, using pharmacological inhibition and genetic loss and gain of function approaches, we identify HDAC2 as the most relevant histone deacetylase for re-organization of chromatin accessibility resulting in maintenance of BTSC growth and self-renewal properties. Furthermore, its specific interaction with the transforming growth factor-β pathway related proteins, SMAD3 and SKI, is crucial for the maintenance of tumorigenic potential in BTSCs in vitro and in orthotopic xenograft models. Inhibition of HDAC2 activity and disruption of the coordinated mechanisms regulated by the HDAC2-SMAD3-SKI axis are thus promising therapeutic approaches for targeting BTSCs.
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Affiliation(s)
- Ravinder K Bahia
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Cell Biology and Anatomy, University of Calgary, Calgary, AB, Canada
| | - Xiaoguang Hao
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Cell Biology and Anatomy, University of Calgary, Calgary, AB, Canada
| | - Rozina Hassam
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Cell Biology and Anatomy, University of Calgary, Calgary, AB, Canada
| | - Orsolya Cseh
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Cell Biology and Anatomy, University of Calgary, Calgary, AB, Canada
| | - Danielle A Bozek
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Cell Biology and Anatomy, University of Calgary, Calgary, AB, Canada
| | - H Artee Luchman
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.
- Department of Cell Biology and Anatomy, University of Calgary, Calgary, AB, Canada.
| | - Samuel Weiss
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.
- Department of Cell Biology and Anatomy, University of Calgary, Calgary, AB, Canada.
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29
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Alyateem G, Wade HM, Bickert AA, Lipsey CC, Mondal P, Smith MD, Labib RM, Mock BA, Robey RW, Gottesman MM. Use of CRISPR-based screens to identify mechanisms of chemotherapy resistance. Cancer Gene Ther 2023; 30:1043-1050. [PMID: 37029320 PMCID: PMC10722205 DOI: 10.1038/s41417-023-00608-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 03/03/2023] [Accepted: 03/09/2023] [Indexed: 04/09/2023]
Abstract
Despite the development of new classes of targeted anti-cancer drugs, the curative treatment of metastatic solid tumors remains out of reach owing to the development of resistance to current chemotherapeutics. Although many mechanisms of drug resistance have been described, there is still a general lack of understanding of the many means by which cancer cells elude otherwise effective chemotherapy. The traditional strategy of isolating resistant clones in vitro, defining their mechanism of resistance, and testing to see whether these mechanisms play a role in clinical drug resistance is time-consuming and in many cases falls short of providing clinically relevant information. In this review, we summarize the use of CRISPR technology, including the promise and pitfalls, to generate libraries of cancer cells carrying sgRNAs that define novel mechanisms of resistance. The existing strategies using CRISPR knockout, activation, and inhibition screens, and combinations of these approaches are described. In addition, specialized approaches to identify more than one gene that may be contributing to resistance, as occurs in synthetic lethality, are described. Although these CRISPR-based approaches to cataloguing drug resistance genes in cancer cells are just beginning to be utilized, appropriately used they promise to accelerate understanding of drug resistance in cancer.
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Affiliation(s)
- George Alyateem
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Heidi M Wade
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Aaron A Bickert
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Crystal C Lipsey
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Priya Mondal
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - MacKinzie D Smith
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Rania M Labib
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Beverly A Mock
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Robert W Robey
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Michael M Gottesman
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA.
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30
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Eckerdt F, Platanias LC. Emerging Role of Glioma Stem Cells in Mechanisms of Therapy Resistance. Cancers (Basel) 2023; 15:3458. [PMID: 37444568 PMCID: PMC10340782 DOI: 10.3390/cancers15133458] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 06/14/2023] [Accepted: 06/29/2023] [Indexed: 07/15/2023] Open
Abstract
Since their discovery at the beginning of this millennium, glioma stem cells (GSCs) have sparked extensive research and an energetic scientific debate about their contribution to glioblastoma (GBM) initiation, progression, relapse, and resistance. Different molecular subtypes of GBM coexist within the same tumor, and they display differential sensitivity to chemotherapy. GSCs contribute to tumor heterogeneity and recapitulate pathway alterations described for the three GBM subtypes found in patients. GSCs show a high degree of plasticity, allowing for interconversion between different molecular GBM subtypes, with distinct proliferative potential, and different degrees of self-renewal and differentiation. This high degree of plasticity permits adaptation to the environmental changes introduced by chemo- and radiation therapy. Evidence from mouse models indicates that GSCs repopulate brain tumors after therapeutic intervention, and due to GSC plasticity, they reconstitute heterogeneity in recurrent tumors. GSCs are also inherently resilient to standard-of-care therapy, and mechanisms of resistance include enhanced DNA damage repair, MGMT promoter demethylation, autophagy, impaired induction of apoptosis, metabolic adaptation, chemoresistance, and immune evasion. The remarkable oncogenic properties of GSCs have inspired considerable interest in better understanding GSC biology and functions, as they might represent attractive targets to advance the currently limited therapeutic options for GBM patients. This has raised expectations for the development of novel targeted therapeutic approaches, including targeting GSC plasticity, chimeric antigen receptor T (CAR T) cells, and oncolytic viruses. In this review, we focus on the role of GSCs as drivers of GBM and therapy resistance, and we discuss how insights into GSC biology and plasticity might advance GSC-directed curative approaches.
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Affiliation(s)
- Frank Eckerdt
- Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Chicago, IL 60611, USA
- Division of Hematology-Oncology, Department of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Leonidas C. Platanias
- Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Chicago, IL 60611, USA
- Division of Hematology-Oncology, Department of Medicine, Northwestern University, Chicago, IL 60611, USA
- Medicine Service, Jesse Brown VA Medical Center, Chicago, IL 60612, USA
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31
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Abid T, Goodale AB, Kalani Z, Wyatt M, Gonzalez EM, Zhou KN, Qian K, Novikov D, Condurat AL, Bandopadhayay P, Piccioni F, Persky NS, Root DE. Genome-wide pooled CRISPR screening in neurospheres. Nat Protoc 2023:10.1038/s41596-023-00835-6. [PMID: 37286821 DOI: 10.1038/s41596-023-00835-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 03/20/2023] [Indexed: 06/09/2023]
Abstract
Spheroid culture systems have allowed in vitro propagation of cells unable to grow in canonical cell culturing conditions, and may capture cellular contexts that model tumor growth better than current model systems. The insights gleaned from genome-wide clustered regularly interspaced short palindromic repeat (CRISPR) screening of thousands of cancer cell lines grown in conventional culture conditions illustrate the value of such CRISPR pooled screens. It is clear that similar genome-wide CRISPR screens of three-dimensional spheroid cultures will be important for future biological discovery. Here, we present a protocol for genome-wide CRISPR screening of three-dimensional neurospheres. While many in-depth protocols and discussions have been published for more typical cell lines, few detailed protocols are currently available in the literature for genome-wide screening in spheroidal cell lines. For those who want to screen such cell lines, and particularly neurospheres, we provide a step-by-step description of assay development tests to be performed before screening, as well as for the screen itself. We highlight considerations of variables that make these screens distinct from, or similar to, typical nonspheroid cell lines throughout. Finally, we illustrate typical outcomes of neurosphere genome-wide screens, and how neurosphere screens typically produce slightly more heterogeneous signal distributions than more canonical cancer cell lines. Completion of this entire protocol will take 8-12 weeks from the initial assay development tests to deconvolution of the sequencing data.
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Affiliation(s)
- Tanaz Abid
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Amy B Goodale
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Zohra Kalani
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Meghan Wyatt
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Elizabeth M Gonzalez
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, USA
| | - Kevin Ning Zhou
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, USA
| | - Kenin Qian
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, USA
| | - Dana Novikov
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, USA
| | - Alexandra-Larisa Condurat
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, USA
- Department of Pediatrics, Harvard Medical School, Boston, MA, USA
| | - Pratiti Bandopadhayay
- Broad Institute of MIT and Harvard, Cambridge, MA, USA.
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, USA.
- Department of Pediatrics, Harvard Medical School, Boston, MA, USA.
| | - Federica Piccioni
- Broad Institute of MIT and Harvard, Cambridge, MA, USA.
- Merck Research Laboratories, Cambridge, MA, USA.
| | - Nicole S Persky
- Broad Institute of MIT and Harvard, Cambridge, MA, USA.
- Aera Therapeutics, Boston, MA, USA.
| | - David E Root
- Broad Institute of MIT and Harvard, Cambridge, MA, USA.
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32
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Young D, Guha C, Sidoli S. The role of histone H3 lysine demethylases in glioblastoma. Cancer Metastasis Rev 2023; 42:445-454. [PMID: 37286866 DOI: 10.1007/s10555-023-10114-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 05/26/2023] [Indexed: 06/09/2023]
Abstract
Glioblastoma (GBM) is the most aggressive primary brain tumor in adults with an average survival of 15-18 months. Part of its malignancy derives from epigenetic regulation that occurs as the tumor develops and after therapeutic treatment. Specifically, enzymes involved in removing methylations from histone proteins on chromatin, i.e., lysine demethylases (KDMs), have a significant impact on GBM biology and reoccurrence. This knowledge has paved the way to considering KDMs as potential targets for GBM treatment. For example, increases in trimethylation of histone H3 on the lysine 9 residue (H3K9me3) via inhibition of KDM4C and KDM7A has been shown to lead to cell death in Glioblastoma initiating cells. KDM6 has been shown to drive Glioma resistance to receptor tyrosine kinase inhibitors and its inhibition decreases tumor resistance. In addition, increased expression of the histone methyltransferase MLL4 and UTX histone demethylase are associated with prolonged survival in a subset of GBM patients, potentially by regulating histone methylation on the promoter of the mgmt gene. Thus, the complexity of how histone modifiers contribute to glioblastoma pathology and disease progression is yet to be fully understood. To date, most of the current work on histone modifying enzymes in GBM are centered upon histone H3 demethylase enzymes. In this mini-review, we summarize the current knowledge on the role of histone H3 demethylase enzymes in Glioblastoma tumor biology and therapy resistance. The objective of this work is to highlight the current and future potential areas of research for GBM epigenetics therapy.
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Affiliation(s)
- Dejauwne Young
- Department of Biochemistry, Albert Einstein College of Medicine, The Bronx, New York City, NY, 10461, USA
- Department of Radiation Oncology, Department of Pathology, Department of Urology, Albert Einstein College of Medicine, The Bronx, New York City, NY, 10461, USA
| | - Chandan Guha
- Department of Radiation Oncology, Department of Pathology, Department of Urology, Albert Einstein College of Medicine, The Bronx, New York City, NY, 10461, USA
| | - Simone Sidoli
- Department of Biochemistry, Albert Einstein College of Medicine, The Bronx, New York City, NY, 10461, USA.
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33
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Nakhle J, Khattar K, Özkan T, Boughlita A, Abba Moussa D, Darlix A, Lorcy F, Rigau V, Bauchet L, Gerbal-Chaloin S, Daujat-Chavanieu M, Bellvert F, Turchi L, Virolle T, Hugnot JP, Buisine N, Galloni M, Dardalhon V, Rodriguez AM, Vignais ML. Mitochondria Transfer from Mesenchymal Stem Cells Confers Chemoresistance to Glioblastoma Stem Cells through Metabolic Rewiring. CANCER RESEARCH COMMUNICATIONS 2023; 3:1041-1056. [PMID: 37377608 PMCID: PMC10266428 DOI: 10.1158/2767-9764.crc-23-0144] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 05/12/2023] [Accepted: 05/19/2023] [Indexed: 06/29/2023]
Abstract
Glioblastomas (GBM) are heterogeneous tumors with high metabolic plasticity. Their poor prognosis is linked to the presence of glioblastoma stem cells (GSC), which support resistance to therapy, notably to temozolomide (TMZ). Mesenchymal stem cells (MSC) recruitment to GBM contributes to GSC chemoresistance, by mechanisms still poorly understood. Here, we provide evidence that MSCs transfer mitochondria to GSCs through tunneling nanotubes, which enhances GSCs resistance to TMZ. More precisely, our metabolomics analyses reveal that MSC mitochondria induce GSCs metabolic reprograming, with a nutrient shift from glucose to glutamine, a rewiring of the tricarboxylic acid cycle from glutaminolysis to reductive carboxylation and increase in orotate turnover as well as in pyrimidine and purine synthesis. Metabolomics analysis of GBM patient tissues at relapse after TMZ treatment documents increased concentrations of AMP, CMP, GMP, and UMP nucleotides and thus corroborate our in vitro analyses. Finally, we provide a mechanism whereby mitochondrial transfer from MSCs to GSCs contributes to GBM resistance to TMZ therapy, by demonstrating that inhibition of orotate production by Brequinar (BRQ) restores TMZ sensitivity in GSCs with acquired mitochondria. Altogether, these results identify a mechanism for GBM resistance to TMZ and reveal a metabolic dependency of chemoresistant GBM following the acquisition of exogenous mitochondria, which opens therapeutic perspectives based on synthetic lethality between TMZ and BRQ. Significance Mitochondria acquired from MSCs enhance the chemoresistance of GBMs. The discovery that they also generate metabolic vulnerability in GSCs paves the way for novel therapeutic approaches.
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Affiliation(s)
- Jean Nakhle
- Institute of Functional Genomics, University of Montpellier, CNRS, INSERM, Montpellier, France
- Institute for Regenerative Medicine and Biotherapy, University of Montpellier, INSERM, CHU Montpellier, Montpellier, France
- Institute of Molecular Genetics of Montpellier, University of Montpellier, CNRS, Montpellier, France
- RESTORE Research Center, University of Toulouse, INSERM 1301, CNRS 5070, EFS, ENVT, Toulouse, France
| | - Khattar Khattar
- Institute of Functional Genomics, University of Montpellier, CNRS, INSERM, Montpellier, France
| | - Tülin Özkan
- Institute for Regenerative Medicine and Biotherapy, University of Montpellier, INSERM, CHU Montpellier, Montpellier, France
- Faculty of Medicine, Department of Medical Biology, University of Ankara, Ankara, Turkey
| | - Adel Boughlita
- Institute for Regenerative Medicine and Biotherapy, University of Montpellier, INSERM, CHU Montpellier, Montpellier, France
| | - Daouda Abba Moussa
- Institute for Regenerative Medicine and Biotherapy, University of Montpellier, INSERM, CHU Montpellier, Montpellier, France
| | - Amélie Darlix
- Institute of Functional Genomics, University of Montpellier, CNRS, INSERM, Montpellier, France
- Department of Medical Oncology, Institut Régional du Cancer de Montpellier (ICM), University of Montpellier, Montpellier, France
| | - Frédérique Lorcy
- Department of Pathology and Oncobiology, Hôpital Gui de Chauliac, Montpellier, France
- The Center of the Biological Resource Center of University Hospital Center of Montpellier (BRC), Montpellier, France
| | - Valérie Rigau
- Institute of Functional Genomics, University of Montpellier, CNRS, INSERM, Montpellier, France
- Department of Pathology and Oncobiology, Hôpital Gui de Chauliac, Montpellier, France
- The Center of the Biological Resource Center of University Hospital Center of Montpellier (BRC), Montpellier, France
| | - Luc Bauchet
- Institute of Functional Genomics, University of Montpellier, CNRS, INSERM, Montpellier, France
- Department of Neurosurgery, Hopital Gui de Chauliac, Montpellier, France
| | - Sabine Gerbal-Chaloin
- Institute for Regenerative Medicine and Biotherapy, University of Montpellier, INSERM, CHU Montpellier, Montpellier, France
| | - Martine Daujat-Chavanieu
- Institute for Regenerative Medicine and Biotherapy, University of Montpellier, INSERM, CHU Montpellier, Montpellier, France
| | - Floriant Bellvert
- Toulouse Biotechnology Institute, University of Toulouse, CNRS, INRA, INSA, Toulouse, France
- MetaboHUB-MetaToul, National Infrastructure of Metabolomics and Fluxomics, Toulouse, France
| | - Laurent Turchi
- Université Côte D'Azur, CNRS, INSERM, Institut de Biologie Valrose, Team INSERM, “Cancer Stem Cell Plasticity and Functional Intra-tumor Heterogeneity”, Nice, France
| | - Thierry Virolle
- Université Côte D'Azur, CNRS, INSERM, Institut de Biologie Valrose, Team INSERM, “Cancer Stem Cell Plasticity and Functional Intra-tumor Heterogeneity”, Nice, France
| | - Jean-Philippe Hugnot
- Institute of Functional Genomics, University of Montpellier, CNRS, INSERM, Montpellier, France
| | - Nicolas Buisine
- UMR7221 Physiologie Moléculaire et Adaptation, CNRS, Muséum National d'Histoire Naturelle, Paris, France
| | - Mireille Galloni
- Institute for Regenerative Medicine and Biotherapy, University of Montpellier, INSERM, CHU Montpellier, Montpellier, France
| | - Valérie Dardalhon
- Institute of Molecular Genetics of Montpellier, University of Montpellier, CNRS, Montpellier, France
| | - Anne-Marie Rodriguez
- Sorbonne Université, Institut de Biologie Paris-Seine (IBPS), CNRS UMR 8256, INSERM ERL U1164, Biological Adaptation and Ageing, Paris, France
| | - Marie-Luce Vignais
- Institute of Functional Genomics, University of Montpellier, CNRS, INSERM, Montpellier, France
- Institute for Regenerative Medicine and Biotherapy, University of Montpellier, INSERM, CHU Montpellier, Montpellier, France
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34
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Nikolic A, Maule F, Bobyn A, Ellestad K, Paik S, Marhon SA, Mehdipour P, Lun X, Chen HM, Mallard C, Hay AJ, Johnston MJ, Gafuik CJ, Zemp FJ, Shen Y, Ninkovic N, Osz K, Labit E, Berger ND, Brownsey DK, Kelly JJ, Biernaskie J, Dirks PB, Derksen DJ, Jones SJM, Senger DL, Chan JA, Mahoney DJ, De Carvalho DD, Gallo M. macroH2A2 antagonizes epigenetic programs of stemness in glioblastoma. Nat Commun 2023; 14:3062. [PMID: 37244935 DOI: 10.1038/s41467-023-38919-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 05/22/2023] [Indexed: 05/29/2023] Open
Abstract
Self-renewal is a crucial property of glioblastoma cells that is enabled by the choreographed functions of chromatin regulators and transcription factors. Identifying targetable epigenetic mechanisms of self-renewal could therefore represent an important step toward developing effective treatments for this universally lethal cancer. Here we uncover an epigenetic axis of self-renewal mediated by the histone variant macroH2A2. With omics and functional assays deploying patient-derived in vitro and in vivo models, we show that macroH2A2 shapes chromatin accessibility at enhancer elements to antagonize transcriptional programs of self-renewal. macroH2A2 also sensitizes cells to small molecule-mediated cell death via activation of a viral mimicry response. Consistent with these results, our analyses of clinical cohorts indicate that high transcriptional levels of this histone variant are associated with better prognosis of high-grade glioma patients. Our results reveal a targetable epigenetic mechanism of self-renewal controlled by macroH2A2 and suggest additional treatment approaches for glioblastoma patients.
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Affiliation(s)
- Ana Nikolic
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Francesca Maule
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Anna Bobyn
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Biological Sciences, Faculty of Science, University of Calgary, Calgary, AB, Canada
| | - Katrina Ellestad
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Seungil Paik
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | | | - Parinaz Mehdipour
- Princess Margaret Cancer Centre, Toronto, ON, Canada
- Ludwig Institute for Cancer Research, University of Oxford, Oxford, UK
| | - Xueqing Lun
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Huey-Miin Chen
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Claire Mallard
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Alexander J Hay
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Michael J Johnston
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Christopher J Gafuik
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Franz J Zemp
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Yaoqing Shen
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
- Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada
| | - Nicoletta Ninkovic
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Katalin Osz
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Oncology, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Elodie Labit
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Compararive Biology and Experimental Medicine, Faculty of Veterinary Medicine, and Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - N Daniel Berger
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Duncan K Brownsey
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Chemistry, Faculty of Science, University of Calgary, Calgary, AB, Canada
| | - John J Kelly
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Jeff Biernaskie
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Compararive Biology and Experimental Medicine, Faculty of Veterinary Medicine, and Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Peter B Dirks
- Program in Developmental and Stem Cell Biology, Hospital for Sick Children, Toronto, ON, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
| | - Darren J Derksen
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Chemistry, Faculty of Science, University of Calgary, Calgary, AB, Canada
| | - Steven J M Jones
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
- Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada
| | - Donna L Senger
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Oncology, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Jennifer A Chan
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Oncology, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Douglas J Mahoney
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Microbiology, Immunology and Infectious Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Daniel D De Carvalho
- Princess Margaret Cancer Centre, Toronto, ON, Canada
- Department of Medical Biophysics, Faculty of Science, University of Toronto, Toronto, ON, Canada
| | - Marco Gallo
- Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.
- Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.
- Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.
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Zhang X, Wang Z, Zhuo R, Wang L, Qin Y, Han W, Peng X. G6PD drives glioma invasion by regulating SQSTM1 protein stability. Gene 2023; 874:147476. [PMID: 37187243 DOI: 10.1016/j.gene.2023.147476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/20/2023] [Accepted: 05/05/2023] [Indexed: 05/17/2023]
Abstract
Glioma is an incurable brain tumor with high recurrence due to the frequent invasion of neoplastic cells. Glucose-6-phosphate dehydrogenase (G6PD) is a critical enzyme in the pentose phosphate pathway (PPP) whose aberrant expression drives the pathogenesis of various cancers. Recent research has identified other moonlight modes of enzymes besides the well-known regulation of metabolic reprogramming. Here, we identified previously unexplored roles of G6PD in glioma via gene set variation analysis (GSVA) based on the Cancer Genome Atlas (TCGA) and the Chinese Glioma Genome Atlas (CGGA) database. Furthermore, survival analyses revealed that glioma patients with high G6PD expression had a worse outcome than patients with low G6PD expression (Hazard Ratio (95%CI): 2.96 (2.41, 3.64), p = 3.5E-22). Combined with functional assays, G6PD was shown to be related with the migration and invasion in glioma. G6PD knockdown could inhibit the migration in LN229 cells. And G6PD overexpression enhanced LN229 cell migration and invasion. Mechanically, the knockdown of G6PD reduced sequestosome 1 (SQSTM1) protein stability under cycloheximide (CHX) treatment. Moreover, the overexpression of SQSTM1 rescued the impaired migrated and invasive phenotypes in G6PD-silenced cells. Clinically, we validated the role of G6PD-SQSTM1 axis in glioma prognosis by constructing the multivariate cox proportional hazards regression model. These results define a pivotal function of G6PD in modulating SQSTM1 to promote glioma aggressiveness. And G6PD may be a prognostic biomarker and potential therapeutic target in glioma. G6PD-SQSTM1 axis may be a potential prognostic biomarker in glioma.
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Affiliation(s)
- Xin Zhang
- State Key Laboratory of Medical Molecular Biology, Department of Molecular Biology and Biochemistry, Institute of Basic Medical Sciences, Medical Primate Research Center, Neuroscience Center, Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing 100005, China
| | - Zhixing Wang
- State Key Laboratory of Medical Molecular Biology, Department of Molecular Biology and Biochemistry, Institute of Basic Medical Sciences, Medical Primate Research Center, Neuroscience Center, Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing 100005, China
| | - Rui Zhuo
- State Key Laboratory of Medical Molecular Biology, Department of Molecular Biology and Biochemistry, Institute of Basic Medical Sciences, Medical Primate Research Center, Neuroscience Center, Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing 100005, China
| | - Liping Wang
- State Key Laboratory of Medical Molecular Biology, Department of Molecular Biology and Biochemistry, Institute of Basic Medical Sciences, Medical Primate Research Center, Neuroscience Center, Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing 100005, China
| | - Yiming Qin
- State Key Laboratory of Medical Molecular Biology, Department of Molecular Biology and Biochemistry, Institute of Basic Medical Sciences, Medical Primate Research Center, Neuroscience Center, Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing 100005, China
| | - Wei Han
- State Key Laboratory of Medical Molecular Biology, Department of Molecular Biology and Biochemistry, Institute of Basic Medical Sciences, Medical Primate Research Center, Neuroscience Center, Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing 100005, China.
| | - Xiaozhong Peng
- State Key Laboratory of Medical Molecular Biology, Department of Molecular Biology and Biochemistry, Institute of Basic Medical Sciences, Medical Primate Research Center, Neuroscience Center, Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing 100005, China; National Human Diseases Animal Model Resource Center, Beijing Engineering Research Center for Experimental Animal Models of Human Critical Diseases, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences & Peking Union Medical College , Beijing 100021, China.
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36
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Kalamakis G, Platt RJ. CRISPR for neuroscientists. Neuron 2023:S0896-6273(23)00306-9. [PMID: 37201524 DOI: 10.1016/j.neuron.2023.04.021] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 03/14/2023] [Accepted: 04/18/2023] [Indexed: 05/20/2023]
Abstract
Genome engineering technologies provide an entry point into understanding and controlling the function of genetic elements in health and disease. The discovery and development of the microbial defense system CRISPR-Cas yielded a treasure trove of genome engineering technologies and revolutionized the biomedical sciences. Comprising diverse RNA-guided enzymes and effector proteins that evolved or were engineered to manipulate nucleic acids and cellular processes, the CRISPR toolbox provides precise control over biology. Virtually all biological systems are amenable to genome engineering-from cancer cells to the brains of model organisms to human patients-galvanizing research and innovation and giving rise to fundamental insights into health and powerful strategies for detecting and correcting disease. In the field of neuroscience, these tools are being leveraged across a wide range of applications, including engineering traditional and non-traditional transgenic animal models, modeling disease, testing genomic therapies, unbiased screening, programming cell states, and recording cellular lineages and other biological processes. In this primer, we describe the development and applications of CRISPR technologies while highlighting outstanding limitations and opportunities.
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Affiliation(s)
- Georgios Kalamakis
- Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, 4058 Basel, Switzerland; Novartis Institutes for BioMedical Research, 4056 Basel, Switzerland
| | - Randall J Platt
- Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, 4058 Basel, Switzerland; Department of Chemistry, University of Basel, Petersplatz 1, 4003 Basel, Switzerland; NCCR MSE, Mattenstrasse 24a, 4058 Basel, Switzerland; Botnar Research Center for Child Health, Mattenstrasse 24a, 4058 Basel, Switzerland.
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37
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Hao X, Bahia RK, Cseh O, Bozek DA, Blake S, Rinnenthal J, Weyer-Czernilofsky U, Rudolph D, Artee Luchman H. BI-907828, a novel potent MDM2 inhibitor, inhibits glioblastoma brain tumor stem cells in vitro and prolongs survival in orthotopic xenograft mouse models. Neuro Oncol 2023; 25:913-926. [PMID: 36521007 PMCID: PMC10158121 DOI: 10.1093/neuonc/noac271] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND The tumor suppressor TP53 (p53) is frequently mutated, and its downstream effectors inactivated in many cancers, including glioblastoma (GBM). In tumors with wild-type status, p53 function is frequently attenuated by alternate mechanisms including amplification and overexpression of its key negative regulator, MDM2. We investigated the efficacy of the MDM2 inhibitor, BI-907828, in GBM patient-derived brain tumor stem cells (BTSCs) with different amplification statuses of MDM2, in vitro and in orthotopic xenograft models. METHODS In vitro growth inhibition and on-target efficacy of BI-907828 were assessed by cell viability, co-immunoprecipitation assays, and western blotting. In vivo efficacy of BI-907828 treatments was assessed with qPCR, immunohistochemistry, and in intracranial xenograft models. RESULTS BI-907828 decreases viability and induces cell death at picomolar concentrations in both MDM2 amplified and normal copy number TP53 wild-type BTSC lines. Restoration of p53 activity, including robust p21 expression and apoptosis induction, was observed in TP53 wild-type but not in TP53 mutant BTSCs. shRNA-mediated knock-down of TP53 in wild-type BTSCs abrogated the effect of BI-907828, confirming the specificity of the inhibitor. Pharmacokinetic-pharmacodynamic studies in orthotopic tumor-bearing severe combined immunodeficiency (SCID) mice demonstrated that a single 50 mg/kg p.o. dose of BI-907828 resulted in strong activation of p53 target genes p21 and MIC1. Long-term weekly or bi-weekly treatment with BI-907828 in orthotopic BTSC xenograft models was well-tolerated and improved survival both as a single-agent and in combination with temozolomide, with dose-dependent efficacy observed in the MDM2 amplified model. CONCLUSIONS BI-907828 provides a promising new therapeutic option for patients with TP53 wild-type primary brain tumors.
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Affiliation(s)
- Xiaoguang Hao
- Arnie Charbonneau Cancer Institute, Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Ravinder K Bahia
- Arnie Charbonneau Cancer Institute, Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Orsolya Cseh
- Arnie Charbonneau Cancer Institute, Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Danielle A Bozek
- Arnie Charbonneau Cancer Institute, Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Sophia Blake
- Boehringer Ingelheim RCV GmbH & Co KG, Vienna, Austria
| | | | | | | | - H Artee Luchman
- Arnie Charbonneau Cancer Institute, Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
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38
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Zeng L, Zhu Y, Moreno CS, Wan Y. New insights into KLFs and SOXs in cancer pathogenesis, stemness, and therapy. Semin Cancer Biol 2023; 90:29-44. [PMID: 36806560 PMCID: PMC10023514 DOI: 10.1016/j.semcancer.2023.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 09/04/2022] [Accepted: 02/08/2023] [Indexed: 02/17/2023]
Abstract
Despite the development of cancer therapies, the success of most treatments has been impeded by drug resistance. The crucial role of tumor cell plasticity has emerged recently in cancer progression, cancer stemness and eventually drug resistance. Cell plasticity drives tumor cells to reversibly convert their cell identity, analogous to differentiation and dedifferentiation, to adapt to drug treatment. This phenotypical switch is driven by alteration of the transcriptome. Several pluripotent factors from the KLF and SOX families are closely associated with cancer pathogenesis and have been revealed to regulate tumor cell plasticity. In this review, we particularly summarize recent studies about KLF4, KLF5 and SOX factors in cancer development and evolution, focusing on their roles in cancer initiation, invasion, tumor hierarchy and heterogeneity, and lineage plasticity. In addition, we discuss the various regulation of these transcription factors and related cutting-edge drug development approaches that could be used to drug "undruggable" transcription factors, such as PROTAC and PPI targeting, for targeted cancer therapy. Advanced knowledge could pave the way for the development of novel drugs that target transcriptional regulation and could improve the outcome of cancer therapy.
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Affiliation(s)
- Lidan Zeng
- Department of Pharmacology and Chemical Biology, Department of Hematology and oncology, Winship Cancer Institute, Emory University School of Medicine, USA
| | - Yueming Zhu
- Department of Pharmacology and Chemical Biology, Department of Hematology and oncology, Winship Cancer Institute, Emory University School of Medicine, USA
| | - Carlos S Moreno
- Department of Pathology and Laboratory Medicine, Department of Biomedical Informatics, Winship Cancer Institute, Emory University School of Medicine, USA.
| | - Yong Wan
- Department of Pharmacology and Chemical Biology, Department of Hematology and oncology, Winship Cancer Institute, Emory University School of Medicine, USA.
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Okonechnikov K, Camgöz A, Chapman O, Wani S, Park DE, Hübner JM, Chakraborty A, Pagadala M, Bump R, Chandran S, Kraft K, Acuna-Hidalgo R, Reid D, Sikkink K, Mauermann M, Juarez EF, Jenseit A, Robinson JT, Pajtler KW, Milde T, Jäger N, Fiesel P, Morgan L, Sridhar S, Coufal NG, Levy M, Malicki D, Hobbs C, Kingsmore S, Nahas S, Snuderl M, Crawford J, Wechsler-Reya RJ, Davidson TB, Cotter J, Michaiel G, Fleischhack G, Mundlos S, Schmitt A, Carter H, Michealraj KA, Kumar SA, Taylor MD, Rich J, Buchholz F, Mesirov JP, Pfister SM, Ay F, Dixon JR, Kool M, Chavez L. 3D genome mapping identifies subgroup-specific chromosome conformations and tumor-dependency genes in ependymoma. Nat Commun 2023; 14:2300. [PMID: 37085539 PMCID: PMC10121654 DOI: 10.1038/s41467-023-38044-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 04/13/2023] [Indexed: 04/23/2023] Open
Abstract
Ependymoma is a tumor of the brain or spinal cord. The two most common and aggressive molecular groups of ependymoma are the supratentorial ZFTA-fusion associated and the posterior fossa ependymoma group A. In both groups, tumors occur mainly in young children and frequently recur after treatment. Although molecular mechanisms underlying these diseases have recently been uncovered, they remain difficult to target and innovative therapeutic approaches are urgently needed. Here, we use genome-wide chromosome conformation capture (Hi-C), complemented with CTCF and H3K27ac ChIP-seq, as well as gene expression and DNA methylation analysis in primary and relapsed ependymoma tumors, to identify chromosomal conformations and regulatory mechanisms associated with aberrant gene expression. In particular, we observe the formation of new topologically associating domains ('neo-TADs') caused by structural variants, group-specific 3D chromatin loops, and the replacement of CTCF insulators by DNA hyper-methylation. Through inhibition experiments, we validate that genes implicated by these 3D genome conformations are essential for the survival of patient-derived ependymoma models in a group-specific manner. Thus, this study extends our ability to reveal tumor-dependency genes by 3D genome conformations even in tumors that lack targetable genetic alterations.
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Affiliation(s)
- Konstantin Okonechnikov
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany
- Division of Pediatric Neurooncology, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Aylin Camgöz
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany
- Division of Pediatric Neurooncology, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany
- National Center for Tumor Diseases (NCT): German Cancer Research Center (DKFZ) Heidelberg, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Dresden, Germany
| | - Owen Chapman
- Division of Genomics and Precision Medicine, Department of Medicine, University of California San Diego (UCSD), San Diego, USA
| | - Sameena Wani
- Division of Genomics and Precision Medicine, Department of Medicine, University of California San Diego (UCSD), San Diego, USA
| | - Donglim Esther Park
- Division of Regenerative Medicine, Department of Medicine, University of California, San Diego, La Jolla, CA, 92037, USA
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
| | - Jens-Martin Hübner
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany
- Division of Pediatric Neurooncology, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Abhijit Chakraborty
- Centers for Cancer Immunotherapy and Autoimmunity, La Jolla Institute for Immunology, La Jolla, CA, USA
| | - Meghana Pagadala
- Division of Genomics and Precision Medicine, Department of Medicine, University of California San Diego (UCSD), San Diego, USA
| | - Rosalind Bump
- Peptide Biology Labs, Salk Institute for Biological Studies, La Jolla, CA, USA
| | - Sahaana Chandran
- Peptide Biology Labs, Salk Institute for Biological Studies, La Jolla, CA, USA
| | - Katerina Kraft
- Center for Personal Dynamic Regulomes, Stanford University, Stanford, CA, USA
| | - Rocio Acuna-Hidalgo
- Max Planck Institute for Molecular Genetics, Berlin, Germany
- Institute for Medical Genetics and Human Genetics, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Derek Reid
- Arima Genomics, Inc, San Diego, CA, 92121, USA
| | | | - Monika Mauermann
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany
- Division of Pediatric Neurooncology, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Edwin F Juarez
- Division of Genomics and Precision Medicine, Department of Medicine, University of California San Diego (UCSD), San Diego, USA
| | - Anne Jenseit
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany
- Division of Pediatric Neurooncology, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - James T Robinson
- Division of Genomics and Precision Medicine, Department of Medicine, University of California San Diego (UCSD), San Diego, USA
| | - Kristian W Pajtler
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany
- Division of Pediatric Neurooncology, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany
- Department of Pediatric Oncology, Hematology and Immunology, Heidelberg University Hospital, Heidelberg, Germany
| | - Till Milde
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany
- Department of Pediatric Oncology, Hematology and Immunology, Heidelberg University Hospital, Heidelberg, Germany
- CCU Pediatric Oncology, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Natalie Jäger
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany
- Division of Pediatric Neurooncology, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Petra Fiesel
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany
- CCU Neuropathology, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Ling Morgan
- Division of Genomics and Precision Medicine, Department of Medicine, University of California San Diego (UCSD), San Diego, USA
| | - Sunita Sridhar
- Division of Genomics and Precision Medicine, Department of Medicine, University of California San Diego (UCSD), San Diego, USA
| | - Nicole G Coufal
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
- Department of Pediatrics, University of California, San Diego, San Diego, CA, 92093, USA
| | - Michael Levy
- Neurosurgery, University of California San Diego - Rady Children's Hospital, San Diego, CA, 92123, USA
| | - Denise Malicki
- Pathology, University of California San Diego - Rady Children's Hospital, San Diego, CA, 92123, USA
| | - Charlotte Hobbs
- Rady Children's Institute for Genomic Medicine, San Diego, CA, 92123, USA
| | - Stephen Kingsmore
- Rady Children's Institute for Genomic Medicine, San Diego, CA, 92123, USA
| | - Shareef Nahas
- Rady Children's Institute for Genomic Medicine, San Diego, CA, 92123, USA
| | - Matija Snuderl
- Department of Pathology, NYU Langone Health, NYU Grossman School of Medicine, 550 First Ave, New York, NY, 10016, USA
- Laura and Isaac Perlmutter Cancer Center, NYU Langone Health, New York, NY, USA
| | - John Crawford
- Department of Neurosciences, University of California San Diego - Rady Children's Hospital, San Diego, CA, 92123, USA
| | - Robert J Wechsler-Reya
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
- Department of Pediatrics, University of California, San Diego, San Diego, CA, 92093, USA
- Tumor Initiation and Maintenance Program, NCI-Designated Cancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - Tom Belle Davidson
- Division of Hematology-Oncology, Cancer and Blood Disease Institute and Department of Pediatrics, Children's Hospital Los Angeles, Los Angeles, California, USA
| | - Jennifer Cotter
- Division of Hematology-Oncology, Cancer and Blood Disease Institute and Department of Pediatrics, Children's Hospital Los Angeles, Los Angeles, California, USA
| | - George Michaiel
- Division of Hematology-Oncology, Cancer and Blood Disease Institute and Department of Pediatrics, Children's Hospital Los Angeles, Los Angeles, California, USA
| | - Gudrun Fleischhack
- German Cancer Consortium (DKTK), West German Cancer Center, Pediatrics III, University Hospital Essen, Essen, Germany
| | - Stefan Mundlos
- Max Planck Institute for Molecular Genetics, Berlin, Germany
| | | | - Hannah Carter
- Division of Genomics and Precision Medicine, Department of Medicine, University of California San Diego (UCSD), San Diego, USA
| | - Kulandaimanuvel Antony Michealraj
- Division of Neurosurgery, Arthur and Sonia Labatt Brain Tumor Research Center, Hospital for Sick Children, University of Toronto, Toronto, ONT, Canada
| | - Sachin A Kumar
- Division of Neurosurgery, Arthur and Sonia Labatt Brain Tumor Research Center, Hospital for Sick Children, University of Toronto, Toronto, ONT, Canada
| | - Michael D Taylor
- Division of Neurosurgery, Arthur and Sonia Labatt Brain Tumor Research Center, Hospital for Sick Children, University of Toronto, Toronto, ONT, Canada
| | - Jeremy Rich
- Division of Regenerative Medicine, Department of Medicine, University of California, San Diego, La Jolla, CA, 92037, USA
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
- Department of Neurosciences, School of Medicine, University of California San Diego, La Jolla, CA, 92037, USA
| | - Frank Buchholz
- National Center for Tumor Diseases (NCT): German Cancer Research Center (DKFZ) Heidelberg, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Dresden, Germany
- Medical Systems Biology, Medical Faculty and University Hospital Carl Gustav Carus, TU Dresden, 01307, Dresden, Germany
- German Cancer Research Center (DKFZ), Heidelberg and German Cancer Consortium (DKTK) Partner Site Dresden, Dresden, Germany
| | - Jill P Mesirov
- Division of Genomics and Precision Medicine, Department of Medicine, University of California San Diego (UCSD), San Diego, USA
- Moores Cancer Center, University of California San Diego (UCSD), La Jolla, CA, USA
| | - Stefan M Pfister
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany
- Division of Pediatric Neurooncology, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany
- Department of Pediatric Oncology, Hematology and Immunology, Heidelberg University Hospital, Heidelberg, Germany
| | - Ferhat Ay
- Centers for Cancer Immunotherapy and Autoimmunity, La Jolla Institute for Immunology, La Jolla, CA, USA
- Department of Pediatrics, University of California, San Diego, San Diego, CA, 92093, USA
| | - Jesse R Dixon
- Peptide Biology Labs, Salk Institute for Biological Studies, La Jolla, CA, USA
| | - Marcel Kool
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany
- Division of Pediatric Neurooncology, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | - Lukas Chavez
- Division of Genomics and Precision Medicine, Department of Medicine, University of California San Diego (UCSD), San Diego, USA.
- Rady Children's Institute for Genomic Medicine, San Diego, CA, 92123, USA.
- Tumor Initiation and Maintenance Program, NCI-Designated Cancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA.
- Moores Cancer Center, University of California San Diego (UCSD), La Jolla, CA, USA.
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Loras A, Gonzalez-Bonet LG, Gutierrez-Arroyo JL, Martinez-Cadenas C, Marques-Torrejon MA. Neural Stem Cells as Potential Glioblastoma Cells of Origin. Life (Basel) 2023; 13:life13040905. [PMID: 37109434 PMCID: PMC10145968 DOI: 10.3390/life13040905] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 03/24/2023] [Accepted: 03/27/2023] [Indexed: 03/31/2023] Open
Abstract
Glioblastoma multiforme (GBM) is the most malignant brain tumor in adults and it remains incurable. These tumors are very heterogeneous, resistant to cytotoxic therapies, and they show high rates of invasiveness. Therefore, patients face poor prognosis, and the survival rates remain very low. Previous research states that GBM contains a cell population with stem cell characteristics called glioma stem cells (GSCs). These cells are able to self-renew and regenerate the tumor and, therefore, they are partly responsible for the observed resistance to therapies and tumor recurrence. Recent data indicate that neural stem cells (NSCs) in the subventricular zone (SVZ) are the cells of origin of GBM, that is, the cell type acquiring the initial tumorigenic mutation. The involvement of SVZ-NSCs is also associated with GBM progression and recurrence. Identifying the cellular origin of GBM is important for the development of early detection techniques and the discovery of early disease markers. In this review, we analyze the SVZ-NSC population as a potential GBM cell of origin, and its potential role for GBM therapies.
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Affiliation(s)
- Alba Loras
- Department of Medicine, University of Valencia, 46010 Valencia, Spain
- Department of Medicine, Jaume I University of Castellon, 12071 Castellon de la Plana, Spain
| | - Luis G. Gonzalez-Bonet
- Department of Neurosurgery, Castellon General University Hospital, 12004 Castellon de la Plana, Spain
| | - Julia L. Gutierrez-Arroyo
- Department of Medicine, Jaume I University of Castellon, 12071 Castellon de la Plana, Spain
- Department of Neurosurgery, Castellon General University Hospital, 12004 Castellon de la Plana, Spain
| | | | - Maria Angeles Marques-Torrejon
- Department of Medicine, Jaume I University of Castellon, 12071 Castellon de la Plana, Spain
- Correspondence: ; Tel.: +34-964-387-478
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Wang X, Gong Z, Wang T, Law J, Chen X, Wanggou S, Wang J, Ying B, Francisco M, Dong W, Xiong Y, Fan JJ, MacLeod G, Angers S, Li X, Dirks PB, Liu X, Huang X, Sun Y. Mechanical nanosurgery of chemoresistant glioblastoma using magnetically controlled carbon nanotubes. SCIENCE ADVANCES 2023; 9:eade5321. [PMID: 36989359 PMCID: PMC10058241 DOI: 10.1126/sciadv.ade5321] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Glioblastoma (GBM) is the most common and aggressive primary brain cancer. Despite multimodal treatment including surgery, radiotherapy, and chemotherapy, median patient survival has remained at ~15 months for decades. This situation demands an outside-the-box treatment approach. Using magnetic carbon nanotubes (mCNTs) and precision magnetic field control, we report a mechanical approach to treat chemoresistant GBM. We show that GBM cells internalize mCNTs, the mobilization of which by rotating magnetic field results in cell death. Spatiotemporally controlled mobilization of intratumorally delivered mCNTs suppresses GBM growth in vivo. Functionalization of mCNTs with anti-CD44 antibody, which recognizes GBM cell surface-enriched antigen CD44, increases mCNT recognition of cancer cells, prolongs mCNT enrichment within the tumor, and enhances therapeutic efficacy. Using mouse models of GBM with upfront or therapy-induced resistance to temozolomide, we show that mCNT treatment is effective in treating chemoresistant GBM. Together, we establish mCNT-based mechanical nanosurgery as a treatment option for GBM.
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Affiliation(s)
- Xian Wang
- Program in Developmental and Stem Cell Biology, The Hospital for Sick Children, Toronto, ON, Canada
- Arthur and Sonia Labatt Brain Tumour Research Centre, The Hospital for Sick Children, Toronto, ON, Canada
| | - Zheyuan Gong
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON, Canada
| | - Tiancong Wang
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON, Canada
| | - Junhui Law
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON, Canada
| | - Xin Chen
- Program in Developmental and Stem Cell Biology, The Hospital for Sick Children, Toronto, ON, Canada
- Arthur and Sonia Labatt Brain Tumour Research Centre, The Hospital for Sick Children, Toronto, ON, Canada
- Songjiang Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Siyi Wanggou
- Program in Developmental and Stem Cell Biology, The Hospital for Sick Children, Toronto, ON, Canada
- Arthur and Sonia Labatt Brain Tumour Research Centre, The Hospital for Sick Children, Toronto, ON, Canada
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan International Scientific and Technological Cooperation Base of Brain Tumor Research, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jintian Wang
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON, Canada
| | - Binbin Ying
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON, Canada
| | - Michelle Francisco
- Program in Developmental and Stem Cell Biology, The Hospital for Sick Children, Toronto, ON, Canada
- Arthur and Sonia Labatt Brain Tumour Research Centre, The Hospital for Sick Children, Toronto, ON, Canada
| | - Weifan Dong
- Program in Developmental and Stem Cell Biology, The Hospital for Sick Children, Toronto, ON, Canada
- Arthur and Sonia Labatt Brain Tumour Research Centre, The Hospital for Sick Children, Toronto, ON, Canada
- Department of Molecular Genetics, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Yi Xiong
- Program in Developmental and Stem Cell Biology, The Hospital for Sick Children, Toronto, ON, Canada
- Arthur and Sonia Labatt Brain Tumour Research Centre, The Hospital for Sick Children, Toronto, ON, Canada
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan International Scientific and Technological Cooperation Base of Brain Tumor Research, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jerry J. Fan
- Program in Developmental and Stem Cell Biology, The Hospital for Sick Children, Toronto, ON, Canada
- Arthur and Sonia Labatt Brain Tumour Research Centre, The Hospital for Sick Children, Toronto, ON, Canada
- Department of Molecular Genetics, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Graham MacLeod
- Donnelly Centre for Cellular & Biomolecular Research, University of Toronto, Toronto, ON, Canada
| | - Stephane Angers
- Donnelly Centre for Cellular & Biomolecular Research, University of Toronto, Toronto, ON, Canada
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, Canada
- Department of Biochemistry, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Xuejun Li
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan International Scientific and Technological Cooperation Base of Brain Tumor Research, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Peter B. Dirks
- Program in Developmental and Stem Cell Biology, The Hospital for Sick Children, Toronto, ON, Canada
- Arthur and Sonia Labatt Brain Tumour Research Centre, The Hospital for Sick Children, Toronto, ON, Canada
- Department of Molecular Genetics, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Xinyu Liu
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON, Canada
| | - Xi Huang
- Program in Developmental and Stem Cell Biology, The Hospital for Sick Children, Toronto, ON, Canada
- Arthur and Sonia Labatt Brain Tumour Research Centre, The Hospital for Sick Children, Toronto, ON, Canada
- Department of Molecular Genetics, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- Corresponding author. (X.H.); (Y.S.)
| | - Yu Sun
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON, Canada
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON, Canada
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON, Canada
- Department of Computer Science, University of Toronto, Toronto, ON, Canada
- Corresponding author. (X.H.); (Y.S.)
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42
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Gimple RC, Zhang G, Wang S, Huang T, Lee J, Taori S, Lv D, Dixit D, Halbert ME, Morton AR, Kidwell RL, Dong Z, Prager BC, Kim LJ, Qiu Z, Zhao L, Xie Q, Wu Q, Agnihotri S, Rich JN. Sorting nexin 10 sustains PDGF receptor signaling in glioblastoma stem cells via endosomal protein sorting. JCI Insight 2023; 8:158077. [PMID: 36795488 PMCID: PMC10070110 DOI: 10.1172/jci.insight.158077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 02/07/2023] [Indexed: 02/17/2023] Open
Abstract
Glioblastoma is the most malignant primary brain tumor, the prognosis of which remains dismal even with aggressive surgical, medical, and radiation therapies. Glioblastoma stem cells (GSCs) promote therapeutic resistance and cellular heterogeneity due to their self-renewal properties and capacity for plasticity. To understand the molecular processes essential for maintaining GSCs, we performed an integrative analysis comparing active enhancer landscapes, transcriptional profiles, and functional genomics profiles of GSCs and non-neoplastic neural stem cells (NSCs). We identified sorting nexin 10 (SNX10), an endosomal protein sorting factor, as selectively expressed in GSCs compared with NSCs and essential for GSC survival. Targeting SNX10 impaired GSC viability and proliferation, induced apoptosis, and reduced self-renewal capacity. Mechanistically, GSCs utilized endosomal protein sorting to promote platelet-derived growth factor receptor β (PDGFRβ) proliferative and stem cell signaling pathways through posttranscriptional regulation of the PDGFR tyrosine kinase. Targeting SNX10 expression extended survival of orthotopic xenograft-bearing mice, and high SNX10 expression correlated with poor glioblastoma patient prognosis, suggesting its potential clinical importance. Thus, our study reveals an essential connection between endosomal protein sorting and oncogenic receptor tyrosine kinase signaling and suggests that targeting endosomal sorting may represent a promising therapeutic approach for glioblastoma treatment.
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Affiliation(s)
- Ryan C Gimple
- Division of Regenerative Medicine, Department of Medicine, UCSD, La Jolla, California, USA
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
| | - Guoxin Zhang
- Division of Regenerative Medicine, Department of Medicine, UCSD, La Jolla, California, USA
| | - Shuai Wang
- UPMC Hillman Cancer Center, Pittsburgh, Pennsylvania, USA
| | - Tengfei Huang
- UPMC Hillman Cancer Center, Pittsburgh, Pennsylvania, USA
| | - Jina Lee
- UPMC Hillman Cancer Center, Pittsburgh, Pennsylvania, USA
| | - Suchet Taori
- UPMC Hillman Cancer Center, Pittsburgh, Pennsylvania, USA
| | - Deguan Lv
- Division of Regenerative Medicine, Department of Medicine, UCSD, La Jolla, California, USA
- UPMC Hillman Cancer Center, Pittsburgh, Pennsylvania, USA
| | - Deobrat Dixit
- Division of Regenerative Medicine, Department of Medicine, UCSD, La Jolla, California, USA
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California, USA
| | - Matthew E Halbert
- Department of Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
- John G. Rangos Sr. Research Center, Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Andrew R Morton
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
| | - Reilly L Kidwell
- Division of Regenerative Medicine, Department of Medicine, UCSD, La Jolla, California, USA
| | - Zhen Dong
- La Jolla Institute for Immunology, La Jolla, California, USA
| | - Briana C Prager
- Division of Regenerative Medicine, Department of Medicine, UCSD, La Jolla, California, USA
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
| | - Leo Jy Kim
- Division of Regenerative Medicine, Department of Medicine, UCSD, La Jolla, California, USA
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
| | - Zhixin Qiu
- Division of Regenerative Medicine, Department of Medicine, UCSD, La Jolla, California, USA
- UPMC Hillman Cancer Center, Pittsburgh, Pennsylvania, USA
| | - Linjie Zhao
- Division of Regenerative Medicine, Department of Medicine, UCSD, La Jolla, California, USA
- UPMC Hillman Cancer Center, Pittsburgh, Pennsylvania, USA
| | - Qi Xie
- Division of Regenerative Medicine, Department of Medicine, UCSD, La Jolla, California, USA
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou, Zhejiang, China
- Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, Zhejiang, China
- Institute of Basic Medical Sciences, Westlake Institute for Advanced Study, Hangzhou, Zhejiang, China
| | - Qiulian Wu
- Division of Regenerative Medicine, Department of Medicine, UCSD, La Jolla, California, USA
- UPMC Hillman Cancer Center, Pittsburgh, Pennsylvania, USA
| | - Sameer Agnihotri
- UPMC Hillman Cancer Center, Pittsburgh, Pennsylvania, USA
- Department of Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
- John G. Rangos Sr. Research Center, Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Jeremy N Rich
- Division of Regenerative Medicine, Department of Medicine, UCSD, La Jolla, California, USA
- UPMC Hillman Cancer Center, Pittsburgh, Pennsylvania, USA
- Sanford Consortium for Regenerative Medicine, La Jolla, California, USA
- Department of Neurology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Neurosciences, UCSD, La Jolla, California, USA
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Gillespie MS, Ward CM, Davies CC. DNA Repair and Therapeutic Strategies in Cancer Stem Cells. Cancers (Basel) 2023; 15:1897. [PMID: 36980782 PMCID: PMC10047301 DOI: 10.3390/cancers15061897] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 03/18/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
First-line cancer treatments successfully eradicate the differentiated tumour mass but are comparatively ineffective against cancer stem cells (CSCs), a self-renewing subpopulation thought to be responsible for tumour initiation, metastasis, heterogeneity, and recurrence. CSCs are thus presented as the principal target for elimination during cancer treatment. However, CSCs are challenging to drug target because of numerous intrinsic and extrinsic mechanisms of drug resistance. One such mechanism that remains relatively understudied is the DNA damage response (DDR). CSCs are presumed to possess properties that enable enhanced DNA repair efficiency relative to their highly proliferative bulk progeny, facilitating improved repair of double-strand breaks induced by radiotherapy and most chemotherapeutics. This can occur through multiple mechanisms, including increased expression and splicing fidelity of DNA repair genes, robust activation of cell cycle checkpoints, and elevated homologous recombination-mediated DNA repair. Herein, we summarise the current knowledge concerning improved genome integrity in non-transformed stem cells and CSCs, discuss therapeutic opportunities within the DDR for re-sensitising CSCs to genotoxic stressors, and consider the challenges posed regarding unbiased identification of novel DDR-directed strategies in CSCs. A better understanding of the DDR mediating chemo/radioresistance mechanisms in CSCs could lead to novel therapeutic approaches, thereby enhancing treatment efficacy in cancer patients.
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Affiliation(s)
- Matthew S. Gillespie
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham B15 2TT, UK; (M.S.G.)
- School of Cancer Sciences, University of Southampton, Southampton SO16 6YD, UK
| | - Ciara M. Ward
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham B15 2TT, UK; (M.S.G.)
| | - Clare C. Davies
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham B15 2TT, UK; (M.S.G.)
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44
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Culley J, Nagle PW, Dawson JC, Carragher NO. Patient derived glioma stem cell spheroid reporter assays for live cell high content analysis. SLAS DISCOVERY : ADVANCING LIFE SCIENCES R & D 2023; 28:13-19. [PMID: 36116760 DOI: 10.1016/j.slasd.2022.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 09/03/2022] [Accepted: 09/13/2022] [Indexed: 12/01/2022]
Abstract
Three dimensional models of cell culture enables researchers to recreate aspects of tumour biology not replicated by traditional two dimensional techniques. Here we describe a protocol to enable automated high throughput phenotypic profiling across panels of patient derived glioma stem cell spheroid models. We demonstrate the use of both live/dead cell end-points and monitor the dynamic changes in the cell cycle using cell lines expressing the FUCCI cell cycle reporter. Together, these assays provide additional insight into the mechanism of action of compound treatments over traditional cell viability assay endpoints.
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Affiliation(s)
- Jayne Culley
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, EH4 2XR, UK
| | - Peter W Nagle
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, EH4 2XR, UK; MRC Centre for Reproductive Health, University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh, Scotland, EH16 4TJ, UK
| | - John C Dawson
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, EH4 2XR, UK
| | - Neil O Carragher
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, EH4 2XR, UK.
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45
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Pöhlking C, Beier S, Formanski JP, Friese M, Schreiber M, Schwalbe B. Isolation of Cells from Glioblastoma Multiforme Grade 4 Tumors for Infection with Zika Virus prME and ME Pseudotyped HIV-1. Int J Mol Sci 2023; 24:ijms24054467. [PMID: 36901897 PMCID: PMC10002608 DOI: 10.3390/ijms24054467] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 02/01/2023] [Accepted: 02/21/2023] [Indexed: 03/12/2023] Open
Abstract
This study aimed to isolate cells from grade 4 glioblastoma multiforme tumors for infection experiments with Zika virus (ZIKV) prME or ME enveloped HIV-1 pseudotypes. The cells obtained from tumor tissue were successfully cultured in human cerebrospinal fluid (hCSF) or a mixture of hCSF/DMEM in cell culture flasks with polar and hydrophilic surfaces. The isolated tumor cells as well as the U87, U138, and U343 cells tested positive for ZIKV receptors Axl and Integrin αvβ5. Pseudotype entry was detected by the expression of firefly luciferase or green fluorescent protein (gfp). In prME and ME pseudotype infections, luciferase expression in U-cell lines was 2.5 to 3.5 logarithms above the background, but still two logarithms lower than in the VSV-G pseudotype control. Infection of single cells was successfully detected in U-cell lines and isolated tumor cells by gfp detection. Even though prME and ME pseudotypes had low infection rates, pseudotypes with ZIKV envelopes are promising candidates for the treatment of glioblastoma.
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Affiliation(s)
- Celine Pöhlking
- Department of Virology, LG-Schreiber, Bernhard Nocht Institute for Tropical Medicine, Bernhard Nocht Str. 74, 20359 Hamburg, Germany
| | - Sebastian Beier
- Department of Virology, LG-Schreiber, Bernhard Nocht Institute for Tropical Medicine, Bernhard Nocht Str. 74, 20359 Hamburg, Germany
| | - Jan Patrick Formanski
- Department of Virology, LG-Schreiber, Bernhard Nocht Institute for Tropical Medicine, Bernhard Nocht Str. 74, 20359 Hamburg, Germany
| | - Michael Friese
- Department of Pathology and Neuropathology, Asklepios Kliniken Hamburg GmbH, Asklepios Klinik Nord, Standort Heidberg, 22417 Hamburg, Germany
| | - Michael Schreiber
- Department of Virology, LG-Schreiber, Bernhard Nocht Institute for Tropical Medicine, Bernhard Nocht Str. 74, 20359 Hamburg, Germany
- Correspondence:
| | - Birco Schwalbe
- Department of Neurosurgery, Asklepios Kliniken Hamburg GmbH, Asklepios Klinik Nord, Standort Heidberg, 22417 Hamburg, Germany
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46
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Zhang Y, Wang Y, Valdivia A, Huang H, Matei D. DOT1 L Regulates Ovarian Cancer Stem Cells by Activating β-catenin Signaling. Mol Cancer Res 2023; 21:140-154. [PMID: 36318113 PMCID: PMC9898143 DOI: 10.1158/1541-7786.mcr-22-0418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 09/09/2022] [Accepted: 10/28/2022] [Indexed: 11/05/2022]
Abstract
Cancer stem cells (CSC) represent a population of cancer cells responsible for tumor initiation, chemoresistance, and metastasis. Here, we identified the H3K79 methyltransferase disruptor of telomeric silencing-1-like (DOT1L) as a critical regulator of self-renewal and tumor initiation in ovarian CSCs. DOT1 L was upregulated in ovarian CSCs versus non-CSCs. shRNA-mediated DOT1 L knockdown decreased the aldehyde dehydrogenase (ALDH)+ cell population, impaired the tumor initiation capacity (TIC) of ovarian CSCs, and blocked the expression of stemness-associated genes. Inhibition of DOT1L's methyltransferase activity by the small-molecule inhibitor (DOT1Li) EPZ-5676 also effectively targeted ovarian CSCs. Integrated RNA-sequencing analyses of ovarian cancer cells in which DOT1 L was knocked down versus control cells and of ovarian CSCs versus non-CSCs, identified Wnt signaling as a shared pathway deregulated in both CSCs and in DOT1L-deficient ovarian cancer cells. β-catenin, a key transcription factor regulated by Wnt, was downregulated in ovarian cancer cells in which DOT1 L was knocked down and upregulated in DOT1 L overexpressing ovarian cancer cells. Chromatin immunoprecipitation (ChIP) revealed enrichment of the H3K79Me3 mark at the β-catenin promoter, suggesting that its transcription is regulated by DOT1L. Our results suggest that DOT1 L is critical for the self-renewal and TIC of ovarian CSCs by regulating β-catenin signaling. Targeting DOT1 L in ovarian cancer could be a new strategy to eliminate CSCs. IMPLICATIONS This study found that the histone methyltransferase DOT1 L regulates the self-renewal and tumor initiation capacity of ovarian CSCs and suggests DOT1 L as a new cancer target.
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Affiliation(s)
- Yaqi Zhang
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA,Driskill Graduate Training Program in Life Sciences, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Yinu Wang
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Andres Valdivia
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Hao Huang
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Daniela Matei
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA,Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA,Jesse Brown VA Medical Center, Chicago, IL, 60612, USA
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47
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Maity S, Mukherjee R, Banerjee S. Recent Advances and Therapeutic Strategies Using CRISPR Genome Editing Technique for the Treatment of Cancer. Mol Biotechnol 2023; 65:206-226. [PMID: 35999480 DOI: 10.1007/s12033-022-00550-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 08/10/2022] [Indexed: 01/18/2023]
Abstract
CRISPR genome editing technique has the potential to target cancer cells in a precise manner. The latest advancements have helped to address one of the prominent concerns about this strategy which is the off-target integrations observed with dsDNA and have resulted in more studies being carried out for potentially safer and more targeted gene therapy, so as to make it available for the clinical trials in order to effectively treat cancer. CRISPR screens offer great potential for the high throughput investigation of the gene functionality in various tumors. It extends its capability to identify the tumor growth essential genes, therapeutic resistant genes, and immunotherapeutic responses. CRISPR screens are mostly performed in in vitro models, but latest advancements focus on developing in vivo models to view cancer progression in animal models. It also allows the detection of factors responsible for tumorigenesis. In CRISPR screens key parameters are optimized in order to meet proficient gene targeting efficiencies. It also detects various molecular effectors required for gene regulation in different cancers, essential pathways which modulate cytotoxicity to immunotherapy in cancer cells, important genes which contribute to cancer cell survival in hypoxic states and modulate cancer long non-coding RNAs. The current review focuses on the recent developments in the therapeutic application of CRISPR technology for cancer therapy. Furthermore, the associated challenges and safety concerns along with the various strategies that can be implemented to overcome these drawbacks has been discussed.
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Affiliation(s)
- Shreyasi Maity
- School of Bioscience and Technology, Vellore Institute of Technology, Vellore, 632 014, Tamil Nadu, India
| | - Rishyani Mukherjee
- School of Bioscience and Technology, Vellore Institute of Technology, Vellore, 632 014, Tamil Nadu, India
| | - Satarupa Banerjee
- School of Bioscience and Technology, Vellore Institute of Technology, Vellore, 632 014, Tamil Nadu, India.
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Johanssen T, McVeigh L, Erridge S, Higgins G, Straehla J, Frame M, Aittokallio T, Carragher NO, Ebner D. Glioblastoma and the search for non-hypothesis driven combination therapeutics in academia. Front Oncol 2023; 12:1075559. [PMID: 36733367 PMCID: PMC9886867 DOI: 10.3389/fonc.2022.1075559] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 12/28/2022] [Indexed: 01/18/2023] Open
Abstract
Glioblastoma (GBM) remains a cancer of high unmet clinical need. Current standard of care for GBM, consisting of maximal surgical resection, followed by ionisation radiation (IR) plus concomitant and adjuvant temozolomide (TMZ), provides less than 15-month survival benefit. Efforts by conventional drug discovery to improve overall survival have failed to overcome challenges presented by inherent tumor heterogeneity, therapeutic resistance attributed to GBM stem cells, and tumor niches supporting self-renewal. In this review we describe the steps academic researchers are taking to address these limitations in high throughput screening programs to identify novel GBM combinatorial targets. We detail how they are implementing more physiologically relevant phenotypic assays which better recapitulate key areas of disease biology coupled with more focussed libraries of small compounds, such as drug repurposing, target discovery, pharmacologically active and novel, more comprehensive anti-cancer target-annotated compound libraries. Herein, we discuss the rationale for current GBM combination trials and the need for more systematic and transparent strategies for identification, validation and prioritisation of combinations that lead to clinical trials. Finally, we make specific recommendations to the preclinical, small compound screening paradigm that could increase the likelihood of identifying tractable, combinatorial, small molecule inhibitors and better drug targets specific to GBM.
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Affiliation(s)
- Timothy Johanssen
- Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Laura McVeigh
- Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, United Kingdom
| | - Sara Erridge
- Edinburgh Cancer Centre, Western General Hospital, Edinburgh, United Kingdom
| | - Geoffrey Higgins
- Department of Oncology, University of Oxford, Oxford, United Kingdom
| | - Joelle Straehla
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Department of Pediatric Oncology, Dana-Farber Cancer Institute, Division of Pediatric Hematology/Oncology, Boston Children’s Hospital, Boston, MA, United States
| | - Margaret Frame
- Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, United Kingdom
| | - Tero Aittokallio
- Institute for Molecular Medicine Finland (FIMM), HiLIFE, University of Helsinki, Helsinki, Finland
- Institute for Cancer Research, Department of Cancer Genetics, Oslo University Hospital, Oslo, Norway
- Centre for Biostatistics and Epidemiology (OCBE), Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Neil O. Carragher
- Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, United Kingdom
| | - Daniel Ebner
- Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
- Department of Oncology, University of Oxford, Oxford, United Kingdom
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Babačić H, Galardi S, Umer HM, Hellström M, Uhrbom L, Maturi N, Cardinali D, Pellegatta S, Michienzi A, Trevisi G, Mangiola A, Lehtiö J, Ciafrè SA, Pernemalm M. Glioblastoma stem cells express non-canonical proteins and exclusive mesenchymal-like or non-mesenchymal-like protein signatures. Mol Oncol 2023; 17:238-260. [PMID: 36495079 PMCID: PMC9892829 DOI: 10.1002/1878-0261.13355] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 12/08/2022] [Indexed: 12/14/2022] Open
Abstract
Glioblastoma (GBM) cancer stem cells (GSCs) contribute to GBM's origin, recurrence, and resistance to treatment. However, the understanding of how mRNA expression patterns of GBM subtypes are reflected at global proteome level in GSCs is limited. To characterize protein expression in GSCs, we performed in-depth proteogenomic analysis of patient-derived GSCs by RNA-sequencing and mass-spectrometry. We quantified > 10 000 proteins in two independent GSC panels and propose a GSC-associated proteomic signature characterizing two distinct phenotypic conditions; one defined by proteins upregulated in proneural and classical GSCs (GPC-like), and another by proteins upregulated in mesenchymal GSCs (GM-like). The GM-like protein set in GBM tissue was associated with necrosis, recurrence, and worse overall survival. Through proteogenomics, we discovered 252 non-canonical peptides in the GSCs, i.e., protein sequences that are variant or derive from genome regions previously considered non-protein-coding, including variants of the heterogeneous ribonucleoproteins implicated in RNA splicing. In summary, GSCs express two protein sets that have an inverse association with clinical outcomes in GBM. The discovery of non-canonical protein sequences questions existing gene models and pinpoints new protein targets for research in GBM.
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Affiliation(s)
- Haris Babačić
- Department of Oncology and PathologyKarolinska Institute, Science for Life LaboratoryStockholmSweden
| | - Silvia Galardi
- Department of Biomedicine and PreventionUniversity of Rome Tor VergataItaly
| | - Husen M. Umer
- Department of Oncology and PathologyKarolinska Institute, Science for Life LaboratoryStockholmSweden
| | - Mats Hellström
- Department of Immunology, Genetics and PathologyUppsala UniversitySweden
| | - Lene Uhrbom
- Department of Immunology, Genetics and PathologyUppsala UniversitySweden
| | | | - Deborah Cardinali
- Department of Biomedicine and PreventionUniversity of Rome Tor VergataItaly
| | - Serena Pellegatta
- Unit of Immunotherapy of Brain Tumors, Department of Molecular Neuro‐Oncology, Foundation IRCCSInstitute for Neurology Carlo BestaMilanItaly
| | | | - Gianluca Trevisi
- Neurosurgical UnitHospital Spirito Santo, Pescara, “G. D'Annunzio” UniversityChietiItaly
| | - Annunziato Mangiola
- Neurosurgical UnitHospital Spirito Santo, Pescara, “G. D'Annunzio” UniversityChietiItaly
| | - Janne Lehtiö
- Department of Oncology and PathologyKarolinska Institute, Science for Life LaboratoryStockholmSweden
| | - Silvia Anna Ciafrè
- Department of Biomedicine and PreventionUniversity of Rome Tor VergataItaly
| | - Maria Pernemalm
- Department of Oncology and PathologyKarolinska Institute, Science for Life LaboratoryStockholmSweden
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Progresses, Challenges, and Prospects of CRISPR/Cas9 Gene-Editing in Glioma Studies. Cancers (Basel) 2023; 15:cancers15020396. [PMID: 36672345 PMCID: PMC9856991 DOI: 10.3390/cancers15020396] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Revised: 12/19/2022] [Accepted: 12/28/2022] [Indexed: 01/11/2023] Open
Abstract
Glioma refers to a tumor that is derived from brain glial stem cells or progenitor cells and is the most common primary intracranial tumor. Due to its complex cellular components, as well as the aggressiveness and specificity of the pathogenic site of glioma, most patients with malignant glioma have poor prognoses following surgeries, radiotherapies, and chemotherapies. In recent years, an increasing amount of research has focused on the use of CRISPR/Cas9 gene-editing technology in the treatment of glioma. As an emerging gene-editing technology, CRISPR/Cas9 utilizes the expression of certain functional proteins to repair tissues or treat gene-deficient diseases and could be applied to immunotherapies through the expression of antigens, antibodies, or receptors. In addition, some research also utilized CRISPR/Cas9 to establish tumor models so as to study tumor pathogenesis and screen tumor prognostic targets. This paper mainly discusses the roles of CRISPR/Cas9 in the treatment of glioma patients, the exploration of the pathogenesis of neuroglioma, and the screening targets for clinical prognosis. This paper also raises the future research prospects of CRISPR/Cas9 in glioma, as well as the opportunities and challenges that it will face in clinical treatment in the future.
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