201
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Moure CJ, Diplas BH, Chen LH, Yang R, Pirozzi CJ, Wang Z, Spasojevic I, Waitkus MS, He Y, Yan H. CRISPR Editing of Mutant IDH1 R132H Induces a CpG Methylation-Low State in Patient-Derived Glioma Models of G-CIMP. Mol Cancer Res 2019; 17:2042-2050. [PMID: 31292202 DOI: 10.1158/1541-7786.mcr-19-0309] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 05/22/2019] [Accepted: 07/03/2019] [Indexed: 01/19/2023]
Abstract
Mutations in isocitrate dehydrogenases 1 and 2 (IDH) occur in the majority of World Health Organization grade II and III gliomas. IDH1/2 active site mutations confer a neomorphic enzyme activity producing the oncometabolite D-2-hydroxyglutarate (D-2HG), which generates the glioma CpG island methylation phenotype (G-CIMP). While IDH1/2 mutations and G-CIMP are commonly retained during tumor recurrence, recent work has uncovered losses of the IDH1 mutation in a subset of secondary glioblastomas. Cooccurrence of the loss of the mutant allele with extensive methylation changes suggests a possible link between the two phenomena. Here, we utilize patient-derived IDH1R132H/WT glioma cell lines and CRISPR-Cas9-mediated gene knockout to model the genetic loss of IDH1 R132H, and characterize the effects of this deletion on DNA methylation. After D-2HG production has been abolished by deletions within the IDH1 alleles, these models show persistent DNA hypermethylation at seven CpG sites previously used to define G-CIMP-positivity in patient tumor samples. Despite these defining G-CIMP sites showing persistent hypermethylation, we observed a genome-wide pattern of DNA demethylation, enriched for CpG sites located within open sea regions of the genome, as well as in CpG-island shores of transcription start sites, after loss of D-2HG production. These results suggest that inhibition of D-2HG from genetic deletion of IDH alleles is not sufficient to reverse hypermethylation of all G-CIMP-defining CpG sites, but does result in more demethylation globally and may contribute to the formation of a G-CIMP-low-like phenotype. IMPLICATIONS: These findings show that loss of the IDH1 mutation in malignant glioma cells leads to a pattern of DNA methylation alterations, and shows plausibility of IDH1 mutation loss being causally related to the gain of a G-CIMP-low-like phenotype.
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Affiliation(s)
- Casey J Moure
- Department of Pathology, Duke University, Durham, North Carolina.,Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, North Carolina
| | - Bill H Diplas
- Department of Pathology, Duke University, Durham, North Carolina.,Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, North Carolina
| | - Lee H Chen
- Department of Pathology, Duke University, Durham, North Carolina.,Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, North Carolina
| | - Rui Yang
- Department of Pathology, Duke University, Durham, North Carolina.,Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, North Carolina
| | - Christopher J Pirozzi
- Department of Pathology, Duke University, Durham, North Carolina.,Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, North Carolina
| | - Zhaohui Wang
- Department of Pathology, Duke University, Durham, North Carolina.,Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, North Carolina
| | - Ivan Spasojevic
- Pharmacokinetics/Pharmacodynamics Core Laboratory, Duke Cancer Institute, Durham, North Carolina
| | - Matthew S Waitkus
- Department of Pathology, Duke University, Durham, North Carolina.,Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, North Carolina
| | - Yiping He
- Department of Pathology, Duke University, Durham, North Carolina. .,Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, North Carolina
| | - Hai Yan
- Department of Pathology, Duke University, Durham, North Carolina. .,Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, North Carolina
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202
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Bala Bhaskara Rao K, Katragunta K, Sarma UM, Jain N. Abundance of
d
‐2‐hydroxyglutarate in G2/M is determined by FOXM1 in mutant IDH1‐expressing cells. FEBS Lett 2019; 593:2177-2193. [DOI: 10.1002/1873-3468.13500] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 05/22/2019] [Accepted: 06/07/2019] [Indexed: 12/31/2022]
Affiliation(s)
- Kancharana Bala Bhaskara Rao
- Department of Applied Biology CSIR‐Indian Institute of Chemical Technology Hyderabad India
- Academy of Scientific and Innovative Research (AcSIR) New Delhi India
| | - Kumar Katragunta
- Organic Synthesis and Process Chemistry CSIR‐Indian Institute of Chemical Technology Hyderabad India
| | - Uma Maheswara Sarma
- Organic Synthesis and Process Chemistry CSIR‐Indian Institute of Chemical Technology Hyderabad India
| | - Nishant Jain
- Department of Applied Biology CSIR‐Indian Institute of Chemical Technology Hyderabad India
- Academy of Scientific and Innovative Research (AcSIR) New Delhi India
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203
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de Jong Y, Ingola M, Briaire-de Bruijn IH, Kruisselbrink AB, Venneker S, Palubeckaite I, Heijs BPAM, Cleton-Jansen AM, Haas RLM, Bovée JVMG. Radiotherapy resistance in chondrosarcoma cells; a possible correlation with alterations in cell cycle related genes. Clin Sarcoma Res 2019; 9:9. [PMID: 31160965 PMCID: PMC6540537 DOI: 10.1186/s13569-019-0119-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 05/20/2019] [Indexed: 02/07/2023] Open
Abstract
Background Conventional chondrosarcomas are malignant cartilage tumors considered radioresistant. Nevertheless, retrospective series show a small but significant survival benefit for patients with locally advanced disease treated with radiotherapy. And, in daily practice when considered inoperable their irradiation is an accepted indication for proton beam radiotherapy. Therefore, we investigated the sensitivity of chondrosarcoma cell lines and -tissue samples towards radiotherapy and screened for biomarkers to identify predictors of radiosensitivity. Methods Proliferation and clonogenic assays were performed in chondrosarcoma cell lines after γ-radiation in combination with mutant IDH1 inhibitor AGI-5198. In addition, glutathione levels were measured using mass spectrometry. Chondrosarcoma tumor explants were irradiated after which γ-H2AX foci were counted. Mutation analysis was performed using the Ion AmpliSeq™ Cancer Hotspot Panel and immunohistochemical staining’s were performed for P-S6, LC-3B, P53, Bcl-2, Bcl-xl and Survivin. Results were correlated with the number of γ-H2AX foci. Results Chondrosarcoma cell lines were variably γ-radiation resistant. No difference in radiosensitivity, nor glutathione levels was observed after treatment with AGI-5198. Irradiated chondrosarcoma patient tissue presented a variable increase in γ-H2AX foci compared to non-radiated tissue. Samples were divided into two groups, high and low radioresistant, based on the amount of γ-H2AX foci. All four highly resistant tumors exhibited mutations in the pRb pathway, while none of the less radioresistant tumors showed mutations in these genes. Conclusions Chondrosarcoma cell lines as well as primary tumors are variably radioresistant, particularly in case of a defective Rb pathway. Whether selection for radiotherapy can be based upon an intact Rb pathway should be further investigated. Electronic supplementary material The online version of this article (10.1186/s13569-019-0119-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Yvonne de Jong
- 1Department of Pathology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Martha Ingola
- 2Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Inge H Briaire-de Bruijn
- 1Department of Pathology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Alwine B Kruisselbrink
- 1Department of Pathology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Sanne Venneker
- 1Department of Pathology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Ieva Palubeckaite
- 1Department of Pathology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Bram P A M Heijs
- 2Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Anne-Marie Cleton-Jansen
- 1Department of Pathology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Rick L M Haas
- 3Department of Radiation Oncology, Leiden University Medical Center, Leiden, The Netherlands.,4Department of Radiation Oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Judith V M G Bovée
- 1Department of Pathology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
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204
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Yamaguchi D, Imaizumi T, Yagi K, Matsumoto Y, Nakashima T, Hirose A, Kashima N, Nosaka Y, Hamada T, Okawa K, Nishiya Y, Kubo K. Nicotinamide phosphoribosyltransferase is a molecular target of potent anticancer agents identified from phenotype-based drug screening. Sci Rep 2019; 9:7742. [PMID: 31123329 PMCID: PMC6533267 DOI: 10.1038/s41598-019-43994-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Accepted: 04/26/2019] [Indexed: 12/30/2022] Open
Abstract
Phenotypic screening in drug discovery has been revived with the expectation of providing promising lead compounds and drug targets and improving the success rate of drug approval. However, target identification remains a major bottleneck in phenotype-based drug discovery. We identified the lead compounds K542 and K405 with a selective inhibition of cell viability against sphingosine-1-phosphate lyase 1 (SGPL1)-transduced ES-2 cells by phenotypic screening. We therefore performed an in vivo pharmacological examination and observed the antitumor activity of K542 in an HT-1080 tumor-bearing mouse xenograft model. SGPL1 was expected to be a therapeutic target in some cancers, suggesting that these lead molecules might be promising candidates; however, their mechanisms of action still remain unexplained. We therefore synthesized the affinity probe Ind-tag derived from K542 and identified the proteins binding to Ind-tag via a pull-down experiment. Proteomics and biochemical analyses revealed that the target molecule of these lead compounds was Nicotinamide phosphoribosyltransferase (NAMPT). We established K542-resistant DLD-1 and HT-1080 cells, and genetic analyses of these cells identified a missense mutation in the NAMPT-encoding gene. This enzymatic experiment clearly showed that K393 exerts enzymatic inhibition against NAMPT. These proteomics, genetics and biochemical analyses clarified that compounds K542 and K405 were NAMPT inhibitors.
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Affiliation(s)
- Daisuke Yamaguchi
- Small Molecule Drug Research Laboratories, Research Functions Unit, R&D Division, Kyowa Hakko Kirin Co., Ltd., 1188, Shimotogari, Nagaizumi-cho, Sunto-gun, Shizuoka, 411-8731, Japan.
| | - Takamichi Imaizumi
- Small Molecule Drug Research Laboratories, Research Functions Unit, R&D Division, Kyowa Hakko Kirin Co., Ltd., 1188, Shimotogari, Nagaizumi-cho, Sunto-gun, Shizuoka, 411-8731, Japan
| | - Kaori Yagi
- Corporate Social Responsibility Management Department, Kyowa Hakko Kirin Co., Ltd., 1-9-2, Ote-machi, Chiyoda-ku, Tokyo, 100-0004, Japan
| | - Yuichi Matsumoto
- Corporate Strategy & Planning Department, Kyowa Hakko Kirin Co., Ltd., 1-9-2, Ote-machi, Chiyoda-ku, Tokyo, 100-0004, Japan
| | - Takayuki Nakashima
- Research Core Function Laboratories, Research Functions Unit, R&D Division, Kyowa Hakko Kirin Co., Ltd., 1188, Shimotogari, Nagaizumi-cho, Sunto-gun, Shizuoka, 411-8731, Japan
| | - Akiyo Hirose
- Open Innovation Department, R&D Division, Kyowa Hakko Kirin Co., Ltd., 3-6-6, Asahi-machi, Machida-shi, Tokyo, 194-8533, Japan
| | - Naomi Kashima
- Clinical Sciences Research Laboratories, Translational Research Unit, R&D Division, Kyowa Hakko Kirin Co., Ltd., 1188, Shimotogari, Nagaizumi-cho, Sunto-gun, Shizuoka, 411-8731, Japan
| | - Yukino Nosaka
- Research Core Function Laboratories, Research Functions Unit, R&D Division, Kyowa Hakko Kirin Co., Ltd., 1188, Shimotogari, Nagaizumi-cho, Sunto-gun, Shizuoka, 411-8731, Japan
| | - Tomoko Hamada
- Small Molecule Drug Research Laboratories, Research Functions Unit, R&D Division, Kyowa Hakko Kirin Co., Ltd., 1188, Shimotogari, Nagaizumi-cho, Sunto-gun, Shizuoka, 411-8731, Japan
| | - Katsuya Okawa
- Fuji Research Park, R&D Division, Kyowa Hakko Kirin Co., Ltd., 1188, Shimotogari, Nagaizumi-cho, Sunto-gun, Shizuoka, 411-8731, Japan
| | - Yoichi Nishiya
- Small Molecule Drug Research Laboratories, Research Functions Unit, R&D Division, Kyowa Hakko Kirin Co., Ltd., 1188, Shimotogari, Nagaizumi-cho, Sunto-gun, Shizuoka, 411-8731, Japan
| | - Kazuo Kubo
- R&D Planning Department, R&D Division, Kyowa Hakko Kirin Co., Ltd., 1-9-2, Ote-machi, Chiyoda-ku, Tokyo, 100-0004, Japan.,Department of Biosciences & Informatics, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama-shi, Kanagawa, 223-8522, Japan
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205
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Golub D, Iyengar N, Dogra S, Wong T, Bready D, Tang K, Modrek AS, Placantonakis DG. Mutant Isocitrate Dehydrogenase Inhibitors as Targeted Cancer Therapeutics. Front Oncol 2019; 9:417. [PMID: 31165048 PMCID: PMC6534082 DOI: 10.3389/fonc.2019.00417] [Citation(s) in RCA: 168] [Impact Index Per Article: 33.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2019] [Accepted: 05/02/2019] [Indexed: 12/15/2022] Open
Abstract
The identification of heterozygous neomorphic isocitrate dehydrogenase (IDH) mutations across multiple cancer types including both solid and hematologic malignancies has revolutionized our understanding of oncogenesis in these malignancies and the potential for targeted therapeutics using small molecule inhibitors. The neomorphic mutation in IDH generates an oncometabolite product, 2-hydroxyglutarate (2HG), which has been linked to the disruption of metabolic and epigenetic mechanisms responsible for cellular differentiation and is likely an early and critical contributor to oncogenesis. In the past 2 years, two mutant IDH (mutIDH) inhibitors, Enasidenib (AG-221), and Ivosidenib (AG-120), have been FDA-approved for IDH-mutant relapsed or refractory acute myeloid leukemia (AML) based on phase 1 safety and efficacy data and continue to be studied in trials in hematologic malignancies, as well as in glioma, cholangiocarcinoma, and chondrosarcoma. In this review, we will summarize the molecular pathways and oncogenic consequences associated with mutIDH with a particular emphasis on glioma and AML, and systematically review the development and preclinical testing of mutIDH inhibitors. Existing clinical data in both hematologic and solid tumors will likewise be reviewed followed by a discussion on the potential limitations of mutIDH inhibitor monotherapy and potential routes for treatment optimization using combination therapy.
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Affiliation(s)
- Danielle Golub
- Department of Neurosurgery, New York University School of Medicine, NYU Langone Health, New York, NY, United States.,Clinical and Translational Science Institute, New York University School of Medicine, NYU Langone Health, New York, NY, United States
| | - Nishanth Iyengar
- New York University School of Medicine, NYU Langone Health, New York, NY, United States
| | - Siddhant Dogra
- New York University School of Medicine, NYU Langone Health, New York, NY, United States
| | - Taylor Wong
- Department of Neurosurgery, New York University School of Medicine, NYU Langone Health, New York, NY, United States
| | - Devin Bready
- Department of Neurosurgery, New York University School of Medicine, NYU Langone Health, New York, NY, United States
| | - Karen Tang
- Clinical and Translational Science Institute, New York University School of Medicine, NYU Langone Health, New York, NY, United States.,Division of Hematology/Oncology, Department of Pediatrics, New York University School of Medicine, NYU Langone Health, New York, NY, United States
| | - Aram S Modrek
- Department of Radiation Oncology, New York University School of Medicine, NYU Langone Health, New York, NY, United States
| | - Dimitris G Placantonakis
- Department of Neurosurgery, New York University School of Medicine, NYU Langone Health, New York, NY, United States.,Kimmel Center for Stem Cell Biology, New York University School of Medicine, NYU Langone Health, New York, NY, United States.,Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine, NYU Langone Health, New York, NY, United States.,Brain Tumor Center, New York University School of Medicine, NYU Langone Health, New York, NY, United States.,Neuroscience Institute, New York University School of Medicine, NYU Langone Health, New York, NY, United States
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206
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Audrito V, Managò A, Gaudino F, Deaglio S. Targeting metabolic reprogramming in metastatic melanoma: The key role of nicotinamide phosphoribosyltransferase (NAMPT). Semin Cell Dev Biol 2019; 98:192-201. [PMID: 31059816 DOI: 10.1016/j.semcdb.2019.05.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 05/02/2019] [Accepted: 05/02/2019] [Indexed: 12/13/2022]
Abstract
Cancer cells rewire their metabolism to support proliferation, growth and survival. In metastatic melanoma the BRAF oncogenic pathway is a master regulator of this process, highlighting the importance of metabolic reprogramming in the pathogenesis of this tumor and offering potential therapeutic approaches. Metabolic adaptation of melanoma cells generally requires increased amounts of NAD+, an essential redox cofactor in cellular metabolism and a signaling molecule. Nicotinamide phosphoribosyltransferase (NAMPT) is the most important NAD+ biosynthetic enzyme in mammalian cells and a direct target of the BRAF oncogenic signaling pathway. These findings suggest that NAMPT is an attractive new therapeutic target, particularly in combination strategies with BRAF or MEK inhibitors. Here we review current knowledge on how oncogenic signaling reprograms metabolism in BRAF-mutated melanoma, and discuss how NAMPT/NAD+ axis contributes to these processes. Lastly, we present evidence supporting a role of NAMPT as a novel therapeutic target in metastatic melanoma.
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Affiliation(s)
- Valentina Audrito
- Department of Medical Sciences, University of Turin, Turin, Italy; Italian Institute for Genomic Medicine, Turin, Italy.
| | - Antonella Managò
- Department of Medical Sciences, University of Turin, Turin, Italy; Italian Institute for Genomic Medicine, Turin, Italy
| | - Federica Gaudino
- Department of Medical Sciences, University of Turin, Turin, Italy; Italian Institute for Genomic Medicine, Turin, Italy
| | - Silvia Deaglio
- Department of Medical Sciences, University of Turin, Turin, Italy; Italian Institute for Genomic Medicine, Turin, Italy.
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207
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Abstract
Immune cell populations determine the balance between ongoing damage and repair following tissue injury. Cells responding to a tissue-damaged environment have significant bioenergetic and biosynthetic needs. In addition to supporting these needs, metabolic pathways govern the function of pro-repair immune cells, including regulatory T cells and tissue macrophages. In this Review, we explore how specific features of the tissue-damaged environment such as hypoxia, oxidative stress, and nutrient depletion serve as metabolic cues to promote or impair the reparative functions of immune cell populations. Hypoxia, mitochondrial DNA stress, and altered redox balance each contribute to mechanisms regulating the response to tissue damage. For example, hypoxia induces changes in regulatory T cell and macrophage metabolic profiles, including generation of 2-hydroxyglutarate, which inhibits demethylase reactions to modulate cell fate and function. Reactive oxygen species abundant in oxidative environments cause damage to mitochondrial DNA, initiating signaling pathways that likewise control pro-repair cell function. Nutrient depletion following tissue damage also affects pro-repair cell function through metabolic signaling pathways, specifically those sensitive to the redox state of the cell. The study of immunometabolism as an immediate sensor and regulator of the tissue-damaged environment provides opportunities to consider mechanisms that facilitate healthy repair of tissue injury.
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208
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Tommasini-Ghelfi S, Murnan K, Kouri FM, Mahajan AS, May JL, Stegh AH. Cancer-associated mutation and beyond: The emerging biology of isocitrate dehydrogenases in human disease. SCIENCE ADVANCES 2019; 5:eaaw4543. [PMID: 31131326 PMCID: PMC6530995 DOI: 10.1126/sciadv.aaw4543] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 04/16/2019] [Indexed: 05/12/2023]
Abstract
Isocitrate dehydrogenases (IDHs) are critical metabolic enzymes that catalyze the oxidative decarboxylation of isocitrate to α-ketoglutarate (αKG), NAD(P)H, and CO2. IDHs epigenetically control gene expression through effects on αKG-dependent dioxygenases, maintain redox balance and promote anaplerosis by providing cells with NADPH and precursor substrates for macromolecular synthesis, and regulate respiration and energy production through generation of NADH. Cancer-associated mutations in IDH1 and IDH2 represent one of the most comprehensively studied mechanisms of IDH pathogenic effect. Mutant enzymes produce (R)-2-hydroxyglutarate, which in turn inhibits αKG-dependent dioxygenase function, resulting in a global hypermethylation phenotype, increased tumor cell multipotency, and malignancy. Recent studies identified wild-type IDHs as critical regulators of normal organ physiology and, when transcriptionally induced or down-regulated, as contributing to cancer and neurodegeneration, respectively. We describe how mutant and wild-type enzymes contribute on molecular levels to disease pathogenesis, and discuss efforts to pharmacologically target IDH-controlled metabolic rewiring.
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Affiliation(s)
- Serena Tommasini-Ghelfi
- Ken and Ruth Davee Department of Neurology, The Northwestern Brain Tumor Institute, The Robert H. Lurie Comprehensive Cancer Center, Northwestern University, 303 East Superior, Chicago, IL 60611, USA
- International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA
| | - Kevin Murnan
- Ken and Ruth Davee Department of Neurology, The Northwestern Brain Tumor Institute, The Robert H. Lurie Comprehensive Cancer Center, Northwestern University, 303 East Superior, Chicago, IL 60611, USA
- International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA
| | - Fotini M. Kouri
- Ken and Ruth Davee Department of Neurology, The Northwestern Brain Tumor Institute, The Robert H. Lurie Comprehensive Cancer Center, Northwestern University, 303 East Superior, Chicago, IL 60611, USA
- International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA
| | - Akanksha S. Mahajan
- Ken and Ruth Davee Department of Neurology, The Northwestern Brain Tumor Institute, The Robert H. Lurie Comprehensive Cancer Center, Northwestern University, 303 East Superior, Chicago, IL 60611, USA
- International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA
| | - Jasmine L. May
- Ken and Ruth Davee Department of Neurology, The Northwestern Brain Tumor Institute, The Robert H. Lurie Comprehensive Cancer Center, Northwestern University, 303 East Superior, Chicago, IL 60611, USA
- International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA
| | - Alexander H. Stegh
- Ken and Ruth Davee Department of Neurology, The Northwestern Brain Tumor Institute, The Robert H. Lurie Comprehensive Cancer Center, Northwestern University, 303 East Superior, Chicago, IL 60611, USA
- International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA
- Corresponding author.
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209
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Chowdhry S, Zanca C, Rajkumar U, Koga T, Diao Y, Raviram R, Liu F, Turner K, Yang H, Brunk E, Bi J, Furnari F, Bafna V, Ren B, Mischel PS. NAD metabolic dependency in cancer is shaped by gene amplification and enhancer remodelling. Nature 2019; 569:570-575. [PMID: 31019297 PMCID: PMC7138021 DOI: 10.1038/s41586-019-1150-2] [Citation(s) in RCA: 141] [Impact Index Per Article: 28.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Accepted: 03/22/2019] [Indexed: 01/07/2023]
Abstract
Precision oncology hinges on linking tumour genotype with molecularly targeted drugs1; however, targeting the frequently dysregulated metabolic landscape of cancer has proven to be a major challenge2. Here we show that tissue context is the major determinant of dependence on the nicotinamide adenine dinucleotide (NAD) metabolic pathway in cancer. By analysing more than 7,000 tumours and 2,600 matched normal samples of 19 tissue types, coupled with mathematical modelling and extensive in vitro and in vivo analyses, we identify a simple and actionable set of 'rules'. If the rate-limiting enzyme of de novo NAD synthesis, NAPRT, is highly expressed in a normal tissue type, cancers that arise from that tissue will have a high frequency of NAPRT amplification and be completely and irreversibly dependent on NAPRT for survival. By contrast, tumours that arise from normal tissues that do not express NAPRT highly are entirely dependent on the NAD salvage pathway for survival. We identify the previously unknown enhancer that underlies this dependence. Amplification of NAPRT is shown to generate a pharmacologically actionable tumour cell dependence for survival. Dependence on another rate-limiting enzyme of the NAD synthesis pathway, NAMPT, as a result of enhancer remodelling is subject to resistance by NMRK1-dependent synthesis of NAD. These results identify a central role for tissue context in determining the choice of NAD biosynthetic pathway, explain the failure of NAMPT inhibitors, and pave the way for more effective treatments.
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Affiliation(s)
- Sudhir Chowdhry
- Ludwig Institute for Cancer Research, University of California at San Diego, La Jolla, CA, USA
| | - Ciro Zanca
- Ludwig Institute for Cancer Research, University of California at San Diego, La Jolla, CA, USA
| | - Utkrisht Rajkumar
- Department of Computer Science and Engineering, University of California at San Diego, La Jolla, CA, USA
| | - Tomoyuki Koga
- Ludwig Institute for Cancer Research, University of California at San Diego, La Jolla, CA, USA
| | - Yarui Diao
- Department of Cell Biology, Regeneration Next Initiative, Duke University School of Medicine, Durham, NC, USA
- Deparment of Orthopaedic Surgery, Regeneration Next Initiative, Duke University School of Medicine, Durham, NC, USA
| | - Ramya Raviram
- Ludwig Institute for Cancer Research, University of California at San Diego, La Jolla, CA, USA
| | - Feng Liu
- National Research Center for Translational Medicine, Ruijin Hospital, Shanghai, China
| | - Kristen Turner
- Ludwig Institute for Cancer Research, University of California at San Diego, La Jolla, CA, USA
| | - Huijun Yang
- Ludwig Institute for Cancer Research, University of California at San Diego, La Jolla, CA, USA
| | - Elizabeth Brunk
- Ludwig Institute for Cancer Research, University of California at San Diego, La Jolla, CA, USA
| | - Junfeng Bi
- Ludwig Institute for Cancer Research, University of California at San Diego, La Jolla, CA, USA
| | - Frank Furnari
- Ludwig Institute for Cancer Research, University of California at San Diego, La Jolla, CA, USA
- Department of Pathology, University of California at San Diego, La Jolla, CA, USA
| | - Vineet Bafna
- Department of Computer Science and Engineering, University of California at San Diego, La Jolla, CA, USA
| | - Bing Ren
- Ludwig Institute for Cancer Research, University of California at San Diego, La Jolla, CA, USA
- Department of Cellular and Molecular Medicine, Center for Epigenomics, and Moores Cancer Center, UC San Diego School of Medicine, La Jolla, CA, USA
| | - Paul S Mischel
- Ludwig Institute for Cancer Research, University of California at San Diego, La Jolla, CA, USA.
- Department of Pathology, University of California at San Diego, La Jolla, CA, USA.
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210
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Kaina B, Christmann M. DNA repair in personalized brain cancer therapy with temozolomide and nitrosoureas. DNA Repair (Amst) 2019; 78:128-141. [PMID: 31039537 DOI: 10.1016/j.dnarep.2019.04.007] [Citation(s) in RCA: 78] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 04/11/2019] [Accepted: 04/14/2019] [Indexed: 12/16/2022]
Abstract
Alkylating agents have been used since the 60ties in brain cancer chemotherapy. Their target is the DNA and, although the DNA of normal and cancer cells is damaged unselectively, they exert tumor-specific killing effects because of downregulation of some DNA repair activities in cancer cells. Agents exhibiting methylating properties (temozolomide, procarbazine, dacarbazine, streptozotocine) induce at least 12 different DNA lesions. These are repaired by damage reversal mechanisms involving the alkyltransferase MGMT and the alkB homologous protein ALKBH2, and through base excision repair (BER). There is a strong correlation between the MGMT expression level and therapeutic response in high-grade malignant glioma, supporting the notion that O6-methylguanine and, for nitrosoureas, O6-chloroethylguanine are the most relevant toxic damages at therapeutically relevant doses. Since MGMT has a significant impact on the outcome of anti-cancer therapy, it is a predictive marker of the effectiveness of methylating anticancer drugs, and clinical trials are underway aimed at assessing the influence of MGMT inhibition on the therapeutic success. Other DNA repair factors involved in methylating drug resistance are mismatch repair, DNA double-strand break (DSB) repair by homologous recombination (HR) and DSB signaling. Base excision repair and ALKBH2 might also contribute to alkylating drug resistance and their downregulation may have an impact on drug sensitivity notably in cells expressing a high amount of MGMT and at high doses of temozolomide, but the importance in a therapeutic setting remains to be shown. MGMT is frequently downregulated in cancer cells (up to 40% in glioblastomas), which is due to CpG promoter methylation. Astrocytoma (grade III) are frequently mutated in isocitrate dehydrogenase (IDH1). These tumors show a surprisingly good therapeutic response. IDH1 mutation has an impact on ALKBH2 activity thus influencing DNA repair. A master switch between survival and death is p53, which often retains transactivation activity (wildtype) in malignant glioma. The role of p53 in regulating survival via DNA repair and the routes of death are discussed and conclusions as to cancer therapeutic options were drawn.
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Affiliation(s)
- Bernd Kaina
- Institute of Toxicology, University Medical Center Mainz, Obere Zahlbacher Str. 67, D-55131 Mainz, Germany.
| | - Markus Christmann
- Institute of Toxicology, University Medical Center Mainz, Obere Zahlbacher Str. 67, D-55131 Mainz, Germany
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211
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Tateishi K, Nakamura T, Juratli TA, Williams EA, Matsushita Y, Miyake S, Nishi M, Miller JJ, Tummala SS, Fink AL, Lelic N, Koerner MVA, Miyake Y, Sasame J, Fujimoto K, Tanaka T, Minamimoto R, Matsunaga S, Mukaihara S, Shuto T, Taguchi H, Udaka N, Murata H, Ryo A, Yamanaka S, Curry WT, Dias-Santagata D, Yamamoto T, Ichimura K, Batchelor TT, Chi AS, Iafrate AJ, Wakimoto H, Cahill DP. PI3K/AKT/mTOR Pathway Alterations Promote Malignant Progression and Xenograft Formation in Oligodendroglial Tumors. Clin Cancer Res 2019; 25:4375-4387. [PMID: 30975663 DOI: 10.1158/1078-0432.ccr-18-4144] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 02/14/2019] [Accepted: 04/08/2019] [Indexed: 11/16/2022]
Abstract
PURPOSE Oligodendroglioma has a relatively favorable prognosis, however, often undergoes malignant progression. We hypothesized that preclinical models of oligodendroglioma could facilitate identification of therapeutic targets in progressive oligodendroglioma. We established multiple oligodendroglioma xenografts to determine if the PI3K/AKT/mTOR signaling pathway drives tumor progression. EXPERIMENTAL DESIGN Two anatomically distinct tumor samples from a patient who developed progressive anaplastic oligodendroglioma (AOD) were collected for orthotopic transplantation in mice. We additionally implanted 13 tumors to investigate the relationship between PI3K/AKT/mTOR pathway alterations and oligodendroglioma xenograft formation. Pharmacologic vulnerabilities were tested in newly developed AOD models in vitro and in vivo. RESULTS A specimen from the tumor site that subsequently manifested rapid clinical progression contained a PIK3CA mutation E542K, and yielded propagating xenografts that retained the OD/AOD-defining genomic alterations (IDH1 R132H and 1p/19q codeletion) and PIK3CA E542K, and displayed characteristic sensitivity to alkylating chemotherapeutic agents. In contrast, a xenograft did not engraft from the region that was clinically stable and had wild-type PIK3CA. In our panel of OD/AOD xenografts, the presence of activating mutations in the PI3K/AKT/mTOR pathway was consistently associated with xenograft establishment (6/6, 100%). OD/AOD that failed to generate xenografts did not have activating PI3K/AKT/mTOR alterations (0/9, P < 0.0001). Importantly, mutant PIK3CA oligodendroglioma xenografts were vulnerable to PI3K/AKT/mTOR pathway inhibitors in vitro and in vivo-evidence that mutant PIK3CA is a tumorigenic driver in oligodendroglioma. CONCLUSIONS Activation of the PI3K/AKT/mTOR pathway is an oncogenic driver and is associated with xenograft formation in oligodendrogliomas. These findings have implications for therapeutic targeting of PI3K/AKT/mTOR pathway activation in progressive oligodendrogliomas.
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Affiliation(s)
- Kensuke Tateishi
- Department of Neurosurgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan. .,Division of Brain Tumor Translational Research, National Cancer Center Institute, Tokyo, Japan.,Translational Neuro-Oncology Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.,Neurosurgical-Oncology Laboratory, Yokohama City University, Yokohama, Japan
| | - Taishi Nakamura
- Department of Neurosurgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan.,Neurosurgical-Oncology Laboratory, Yokohama City University, Yokohama, Japan
| | - Tareq A Juratli
- Translational Neuro-Oncology Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.,Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Erik A Williams
- Translational Neuro-Oncology Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.,Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts
| | - Yuko Matsushita
- Division of Brain Tumor Translational Research, National Cancer Center Institute, Tokyo, Japan
| | - Shigeta Miyake
- Department of Neurosurgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan.,Neurosurgical-Oncology Laboratory, Yokohama City University, Yokohama, Japan
| | - Mayuko Nishi
- Department of Microbiology, Yokohama City University Hospital, Yokohama, Japan
| | - Julie J Miller
- Translational Neuro-Oncology Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.,Stephen E. and Catherine Pappas Center for Neuro-Oncology, Department of Neurology, Massachusetts General Hospital Cancer Center, Harvard Medical School, Boston, Massachusetts
| | - Shilpa S Tummala
- Translational Neuro-Oncology Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.,Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Alexandria L Fink
- Translational Neuro-Oncology Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.,Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Nina Lelic
- Translational Neuro-Oncology Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.,Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Mara V A Koerner
- Translational Neuro-Oncology Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.,Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Yohei Miyake
- Department of Neurosurgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan.,Neurosurgical-Oncology Laboratory, Yokohama City University, Yokohama, Japan
| | - Jo Sasame
- Department of Neurosurgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan.,Neurosurgical-Oncology Laboratory, Yokohama City University, Yokohama, Japan
| | - Kenji Fujimoto
- Division of Brain Tumor Translational Research, National Cancer Center Institute, Tokyo, Japan
| | - Takahiro Tanaka
- Department of Neurosurgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Ryogo Minamimoto
- Department of Radiology, Division of Nuclear Medicine, National Center for Global Health and Medicine, Tokyo, Japan
| | - Shigeo Matsunaga
- Department of Neurosurgery, Yokohama Rosai Hospital, Yokohama, Japan
| | - Shigeo Mukaihara
- Department of Neurosurgery, Fujisawa Municipal Hospital, Fujisawa, Japan
| | - Takashi Shuto
- Department of Neurosurgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan.,Department of Neurosurgery, Yokohama Rosai Hospital, Yokohama, Japan
| | - Hiroki Taguchi
- Department of Neurosurgery, Taguchi Neurosurgery Clinic, Yokohama, Japan
| | - Naoko Udaka
- Department of Pathology, Yokohama City University Hospital, Yokohama, Japan
| | - Hidetoshi Murata
- Department of Neurosurgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Akihide Ryo
- Department of Microbiology, Yokohama City University Hospital, Yokohama, Japan
| | - Shoji Yamanaka
- Department of Pathology, Yokohama City University Hospital, Yokohama, Japan
| | - William T Curry
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Dora Dias-Santagata
- Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts
| | - Tetsuya Yamamoto
- Department of Neurosurgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Koichi Ichimura
- Division of Brain Tumor Translational Research, National Cancer Center Institute, Tokyo, Japan
| | - Tracy T Batchelor
- Translational Neuro-Oncology Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.,Stephen E. and Catherine Pappas Center for Neuro-Oncology, Department of Neurology, Massachusetts General Hospital Cancer Center, Harvard Medical School, Boston, Massachusetts
| | - Andrew S Chi
- Laura and Isaac Perlmutter Cancer Center, NYU Langone Medical Center, New York University, New York, New York
| | - A John Iafrate
- Translational Neuro-Oncology Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.,Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts
| | - Hiroaki Wakimoto
- Translational Neuro-Oncology Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts. .,Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Daniel P Cahill
- Translational Neuro-Oncology Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts. .,Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
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212
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Aoki K, Natsume A. Overview of DNA methylation in adult diffuse gliomas. Brain Tumor Pathol 2019; 36:84-91. [PMID: 30937703 DOI: 10.1007/s10014-019-00339-w] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2019] [Accepted: 03/19/2019] [Indexed: 12/30/2022]
Abstract
Adult diffuse gliomas form a heterogeneous group of tumors of the central nervous system that vary greatly in histology and prognosis. A significant advance during the last decade has been the identification of a set of genetic lesions that correlate well with histology and clinical outcome in diffuse gliomas. Most characteristic driver mutations consist of isocitrate dehydrogenase 1 (IDH1) and IDH2, and H3 histone family member 3A, which are strongly associated with DNA and histone methylation patterns. A well-characterized DNA methylation aberration is on the O6-methylguanine-DNA methyltransferase promoter. This aberration is associated with an improved response to the DNA alkylating agent, temozolomide. Methylation alterations are used for classification or treatment decisions of diffuse gliomas. This supports the importance of considering epigenomic aberrations in the pathogenesis of gliomas. Recent DNA methylation analyses revealed a small group of IDH mutant diffuse gliomas exhibiting decreased DNA hypermethylation resulting in substantial unfavorable prognosis comparable to glioblastoma. Thus, DNA methylation patterns may become a new standard that replaces the conventional grading system based on histological diagnosis. In this review, we summarize recent developments regarding the contributions of methylation patterns to the pathogenesis of adult diffuse glioma, the interactions between methylation patterns and driver mutations, and potential epigenomic targeted therapies.
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Affiliation(s)
- Kosuke Aoki
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan.
| | - Atsushi Natsume
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
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213
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Garnier D, Renoult O, Alves-Guerra MC, Paris F, Pecqueur C. Glioblastoma Stem- Like Cells, Metabolic Strategy to Kill a Challenging Target. Front Oncol 2019; 9:118. [PMID: 30895167 PMCID: PMC6415584 DOI: 10.3389/fonc.2019.00118] [Citation(s) in RCA: 97] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Accepted: 02/11/2019] [Indexed: 01/25/2023] Open
Abstract
Over the years, substantial evidence has definitively confirmed the existence of cancer stem-like cells within tumors such as Glioblastoma (GBM). The importance of Glioblastoma stem-like cells (GSCs) in tumor progression and relapse clearly highlights that cancer eradication requires killing of GSCs that are intrinsically resistant to conventional therapies as well as eradication of the non-GSCs cells since GSCs emergence relies on a dynamic process. The past decade of research highlights that metabolism is a significant player in tumor progression and actually might orchestrate it. The growing interest in cancer metabolism reprogrammation can lead to innovative approaches exploiting metabolic vulnerabilities of cancer cells. These approaches are challenging since they require overcoming the compensatory and adaptive responses of GSCs. In this review, we will summarize the current knowledge on GSCs with a particular focus on their metabolic complexity. We will also discuss potential approaches targeting GSCs metabolism to potentially improve clinical care.
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Affiliation(s)
| | | | | | - François Paris
- CRCINA, INSERM CNRS, Université de Nantes, Nantes, France.,Institut de Cancérologie de l'Ouest - René Gauducheau, St Herblain, France
| | - Claire Pecqueur
- CRCINA, INSERM CNRS, Université de Nantes, Nantes, France.,LabEx IGO "Immunotherapy, Graft, Oncology", Nantes, France
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214
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Demarest TG, Babbar M, Okur MN, Dan X, Croteau DL, Fakouri NB, Mattson MP, Bohr VA. NAD+Metabolism in Aging and Cancer. ANNUAL REVIEW OF CANCER BIOLOGY-SERIES 2019. [DOI: 10.1146/annurev-cancerbio-030518-055905] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Aging is a major risk factor for many types of cancer, and the molecular mechanisms implicated in aging, progeria syndromes, and cancer pathogenesis display considerable similarities. Maintaining redox homeostasis, efficient signal transduction, and mitochondrial metabolism is essential for genome integrity and for preventing progression to cellular senescence or tumorigenesis. NAD+is a central signaling molecule involved in these and other cellular processes implicated in age-related diseases and cancer. Growing evidence implicates NAD+decline as a major feature of accelerated aging progeria syndromes and normal aging. Administration of NAD+precursors such as nicotinamide riboside (NR) and nicotinamide mononucleotide (NMN) offer promising therapeutic strategies to improve health, progeria comorbidities, and cancer therapies. This review summarizes insights from the study of aging and progeria syndromes and discusses the implications and therapeutic potential of the underlying molecular mechanisms involved in aging and how they may contribute to tumorigenesis.
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Affiliation(s)
- Tyler G. Demarest
- Laboratory of Molecular Gerontology, National Institute on Aging, National Institutes of Health, Baltimore, Maryland 21224, USA
- Laboratory of Neurosciences, National Institute on Aging, National Institutes of Health, Baltimore, Maryland 21224, USA
| | - Mansi Babbar
- Laboratory of Molecular Gerontology, National Institute on Aging, National Institutes of Health, Baltimore, Maryland 21224, USA
| | - Mustafa N. Okur
- Laboratory of Molecular Gerontology, National Institute on Aging, National Institutes of Health, Baltimore, Maryland 21224, USA
| | - Xiuli Dan
- Laboratory of Molecular Gerontology, National Institute on Aging, National Institutes of Health, Baltimore, Maryland 21224, USA
| | - Deborah L. Croteau
- Laboratory of Molecular Gerontology, National Institute on Aging, National Institutes of Health, Baltimore, Maryland 21224, USA
| | - Nima B. Fakouri
- Laboratory of Molecular Gerontology, National Institute on Aging, National Institutes of Health, Baltimore, Maryland 21224, USA
| | - Mark P. Mattson
- Laboratory of Neurosciences, National Institute on Aging, National Institutes of Health, Baltimore, Maryland 21224, USA
| | - Vilhelm A. Bohr
- Laboratory of Molecular Gerontology, National Institute on Aging, National Institutes of Health, Baltimore, Maryland 21224, USA
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215
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DNA demethylation is associated with malignant progression of lower-grade gliomas. Sci Rep 2019; 9:1903. [PMID: 30760837 PMCID: PMC6374451 DOI: 10.1038/s41598-019-38510-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Accepted: 12/31/2018] [Indexed: 12/30/2022] Open
Abstract
To elucidate the mechanisms of malignant progression of lower-grade glioma, molecular profiling using methylation array, whole-exome sequencing, and RNA sequencing was performed for 122, 36 and 31 gliomas, respectively. This cohort included 24 matched pairs of initial lower-grade gliomas and recurrent tumors, most of which showed malignant progression. Nearly half of IDH-mutant glioblastomas that had progressed from lower-grade gliomas exhibited characteristic partial DNA demethylation in previously methylated genomic regions of their corresponding initial tumors, which had the glioma CpG island methylator phenotype (G-CIMP). In these glioblastomas, cell cycle-related genes, RB and PI3K-AKT pathway genes were frequently altered. Notably, late-replicating domain was significantly enriched in the demethylated regions that were mostly located in non-regulatory regions, suggesting that the loss of DNA methylation during malignant transformation may involve mainly passive demethylation due to a delay in maintenance of methylation during accelerated cell division. Nonetheless, a limited number of genes including IGF2BP3, which potentially drives cell proliferation, were presumed to be upregulated due to demethylation of their promoter. Our data indicated that demethylation of the G-CIMP profile found in a subset of recurrent gliomas reflects accelerated cell divisions accompanied by malignant transformation. Oncogenic genes activated by such epigenetic change represent potential therapeutic targets.
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216
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Ahmad F, Sun Q, Patel D, Stommel JM. Cholesterol Metabolism: A Potential Therapeutic Target in Glioblastoma. Cancers (Basel) 2019; 11:cancers11020146. [PMID: 30691162 PMCID: PMC6406281 DOI: 10.3390/cancers11020146] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2018] [Revised: 01/21/2019] [Accepted: 01/24/2019] [Indexed: 12/11/2022] Open
Abstract
Glioblastoma is a highly lethal adult brain tumor with no effective treatments. In this review, we discuss the potential to target cholesterol metabolism as a new strategy for treating glioblastomas. Twenty percent of cholesterol in the body is in the brain, yet the brain is unique among organs in that it has no access to dietary cholesterol and must synthesize it de novo. This suggests that therapies targeting cholesterol synthesis in brain tumors might render their effects without compromising cell viability in other organs. We will describe cholesterol synthesis and homeostatic feedback pathways in normal brain and brain tumors, as well as various strategies for targeting these pathways for therapeutic intervention.
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Affiliation(s)
- Fahim Ahmad
- National Institutes of Health, National Cancer Institute, Radiation Oncology Branch, Bethesda, MD 20892, USA.
| | - Qian Sun
- National Institutes of Health, National Cancer Institute, Radiation Oncology Branch, Bethesda, MD 20892, USA.
| | - Deven Patel
- National Institutes of Health, National Cancer Institute, Radiation Oncology Branch, Bethesda, MD 20892, USA.
| | - Jayne M Stommel
- National Institutes of Health, National Cancer Institute, Radiation Oncology Branch, Bethesda, MD 20892, USA.
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217
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Gupta SK, Smith EJ, Mladek AC, Tian S, Decker PA, Kizilbash SH, Kitange GJ, Sarkaria JN. PARP Inhibitors for Sensitization of Alkylation Chemotherapy in Glioblastoma: Impact of Blood-Brain Barrier and Molecular Heterogeneity. Front Oncol 2019; 8:670. [PMID: 30723695 PMCID: PMC6349736 DOI: 10.3389/fonc.2018.00670] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Accepted: 12/19/2018] [Indexed: 12/22/2022] Open
Abstract
Prognosis of patients with glioblastoma (GBM) remains dismal despite maximal surgical resection followed by aggressive chemo-radiation therapy. Almost every GBM, regardless of genotype, relapses as aggressive recurrent disease. Sensitization of GBM cells to chemo-radiation is expected to extend survival of patients with GBM by enhancing treatment efficacy. The PARP family of enzymes has a pleiotropic role in DNA repair and metabolism and has emerged as an attractive target for sensitization of cancer cells to genotoxic therapies. However, despite promising results from a number of preclinical studies, progress of clinical trials involving PARP inhibitors (PARPI) has been slower in GBM as compared to other malignancies. Preclinical in vivo studies have uncovered limitations of PARPI-mediated targeting of base excision repair, considered to be the likely mechanism of sensitization for temozolomide (TMZ)-resistant GBM. Nevertheless, PARPI remain a promising sensitizing approach for at least a subset of GBM tumors that are inherently sensitive to TMZ. Our PDX preclinical trial has helped delineate MGMT promoter hyper-methylation as a biomarker of the PARPI veliparib-mediated sensitization. In clinical trials, MGMT promoter hyper-methylation now is being studied as a potential predictive biomarker not only for response to TMZ therapy alone, but also PARPI-mediated sensitization of TMZ therapy. Besides the combination approach being investigated, IDH1/2 mutant gliomas associated with 2-hydroxygluterate (2HG)-mediated homologous recombination (HR) defect may potentially benefit from PARPI monotherapy. In this article, we discuss existing results and provide additional data in support of potential alternative mechanisms of sensitization that would help identify potential biomarkers for PARPI-based therapeutic approaches to GBM.
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Affiliation(s)
- Shiv K Gupta
- Departments of Radiation Oncology, Mayo Clinic, Rochester, MN, United States
| | - Emily J Smith
- Departments of Radiation Oncology, Mayo Clinic, Rochester, MN, United States
| | - Ann C Mladek
- Departments of Radiation Oncology, Mayo Clinic, Rochester, MN, United States
| | - Shulan Tian
- Division of Biomedical Statistics and Informatics, Department of Health Sciences Research, Mayo Clinic, Rochester, MN, United States
| | - Paul A Decker
- Division of Biomedical Statistics and Informatics, Department of Health Sciences Research, Mayo Clinic, Rochester, MN, United States
| | - Sani H Kizilbash
- Departments of Oncology, Mayo Clinic, Rochester, MN, United States
| | - Gaspar J Kitange
- Departments of Radiation Oncology, Mayo Clinic, Rochester, MN, United States
| | - Jann N Sarkaria
- Departments of Radiation Oncology, Mayo Clinic, Rochester, MN, United States
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218
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Malta TM, de Souza CF, Sabedot TS, Silva TC, Mosella MS, Kalkanis SN, Snyder J, Castro AVB, Noushmehr H. Glioma CpG island methylator phenotype (G-CIMP): biological and clinical implications. Neuro Oncol 2019; 20:608-620. [PMID: 29036500 DOI: 10.1093/neuonc/nox183] [Citation(s) in RCA: 168] [Impact Index Per Article: 33.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Gliomas are a heterogeneous group of brain tumors with distinct biological and clinical properties. Despite advances in surgical techniques and clinical regimens, treatment of high-grade glioma remains challenging and carries dismal rates of therapeutic success and overall survival. Challenges include the molecular complexity of gliomas, as well as inconsistencies in histopathological grading, resulting in an inaccurate prediction of disease progression and failure in the use of standard therapy. The updated 2016 World Health Organization (WHO) classification of tumors of the central nervous system reflects a refinement of tumor diagnostics by integrating the genotypic and phenotypic features, thereby narrowing the defined subgroups. The new classification recommends molecular diagnosis of isocitrate dehydrogenase (IDH) mutational status in gliomas. IDH-mutant gliomas manifest the cytosine-phosphate-guanine (CpG) island methylator phenotype (G-CIMP). Notably, the recent identification of clinically relevant subsets of G-CIMP tumors (G-CIMP-high and G-CIMP-low) provides a further refinement in glioma classification that is independent of grade and histology. This scheme may be useful for predicting patient outcome and may be translated into effective therapeutic strategies tailored to each patient. In this review, we highlight the evolution of our understanding of the G-CIMP subsets and how recent advances in characterizing the genome and epigenome of gliomas may influence future basic and translational research.
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Affiliation(s)
- Tathiane M Malta
- Department of Neurosurgery, Henry Ford Hospital, Detroit, Michigan, USA.,Department of Genetics, Ribeirao Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Camila F de Souza
- Department of Neurosurgery, Henry Ford Hospital, Detroit, Michigan, USA.,Department of Genetics, Ribeirao Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Thais S Sabedot
- Department of Neurosurgery, Henry Ford Hospital, Detroit, Michigan, USA.,Department of Genetics, Ribeirao Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Tiago C Silva
- Department of Genetics, Ribeirao Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Maritza S Mosella
- Department of Genetics, Ribeirao Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Steven N Kalkanis
- Department of Neurosurgery, Henry Ford Hospital, Detroit, Michigan, USA
| | - James Snyder
- Department of Neurosurgery, Henry Ford Hospital, Detroit, Michigan, USA.,Department of Neurology, Henry Ford Hospital, Detroit, Michigan, USA
| | | | - Houtan Noushmehr
- Department of Neurosurgery, Henry Ford Hospital, Detroit, Michigan, USA.,Department of Genetics, Ribeirao Preto Medical School, University of São Paulo, São Paulo, Brazil
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219
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Abstract
Advances in genome sequencing have elucidated the genetics of low-grade glioma. Available evidence indicates a neomorphic mutation in isocitrate dehydrogenase (IDH) initiates gliomagenesis. Mutant IDH produces the oncometabolite 2-hydroxyglutarate, which inhibits enzymes that demethylate genomic DNA and histones. Recent findings by the authors and others suggest the ensuing hypermethylation alters chromatin conformation and the transcription factor landscape in brain progenitor cells, leading to a block in differentiation and tumor initiation. Work in preclinical models has identified selective metabolic and molecular vulnerabilities of low-grade glioma. These new concepts will trigger a wave of innovative clinical trials in the near future.
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Affiliation(s)
- Devin Bready
- Department of Neurosurgery, NYU School of Medicine, 530 First Avenue, Skirball 8R, New York, NY 10016, USA
| | - Dimitris G Placantonakis
- Department of Neurosurgery, Kimmel Center for Stem Cell Biology, Laura and Isaac Perlmutter Cancer Center, Neuroscience Institute, Brain Tumor Center, NYU School of Medicine, 530 First Avenue, Skirball 8R, New York, NY 10016, USA.
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220
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Masui K, Onizuka H, Cavenee WK, Mischel PS, Shibata N. Metabolic reprogramming in the pathogenesis of glioma: Update. Neuropathology 2019; 39:3-13. [PMID: 30609184 DOI: 10.1111/neup.12535] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 11/26/2018] [Accepted: 11/28/2018] [Indexed: 12/20/2022]
Abstract
Cancer is a genetic disease that is currently classified not only by its tissue and cell type of origin but increasingly by its molecular composition. Increasingly, tumor classification and subtyping is being performed based upon the oncogene gains, tumor suppressor losses, and associated epigenetic and transcriptional features. However, cancers, including brain tumors, are also characterized by profound alterations in cellular metabolism. At present, even though signature mutations in known metabolic enzymes are recognized as being important, the metabolic landscape of tumors is not currently incorporated into tumor diagnostic categories. Here we describe a set of recent discoveries on metabolic reprogramming driven by mutations in the genes for the isocitrate dehydrogenase (IDH) and receptor tyrosine kinase (RTK) pathways, which are the most commonly observed aberrations in diffuse gliomas. We highlight the importance of oncometabolites to dynamically shift the epigenetic landscape in IDH-mutant gliomas, and c-Myc and mechanistic target of rapamycin (mTOR) complexes in RTK-mutated gliomas to adapt to the microenvironment through metabolic reprogramming. These signify the integration of the genetic mutations with metabolic reprogramming and epigenetic shifts in diffuse gliomas, shedding new light onto potential patient subsets, coupled with information to guide the development of new therapeutic opportunities against the deadly types of brain tumors.
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Affiliation(s)
- Kenta Masui
- Department of Pathology, Division of Pathological Neuroscience, Tokyo Women's Medical University, Tokyo, Japan
| | - Hiromi Onizuka
- Department of Pathology, Division of Pathological Neuroscience, Tokyo Women's Medical University, Tokyo, Japan
| | - Webster K Cavenee
- Ludwig Institute for Cancer Research, University of California San Diego, La Jolla, California, USA
| | - Paul S Mischel
- Ludwig Institute for Cancer Research, University of California San Diego, La Jolla, California, USA
| | - Noriyuki Shibata
- Department of Pathology, Division of Pathological Neuroscience, Tokyo Women's Medical University, Tokyo, Japan
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Detection of Metabolic Changes Induced via Drug Treatments in Live Cancer Cells and Tissue Using Raman Imaging Microscopy. BIOSENSORS-BASEL 2018; 9:bios9010005. [PMID: 30597885 PMCID: PMC6468689 DOI: 10.3390/bios9010005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 12/16/2018] [Accepted: 12/24/2018] [Indexed: 12/31/2022]
Abstract
Isocitrate dehydrogenase 1 (IDH1) mutations in gliomas, fibrosarcoma, and other cancers leads to a novel metabolite, D-2-hydroxyglutarate, which is proposed to cause tumorigenesis. The production of this metabolite also causes vulnerabilities in cellular metabolism, such as lowering NADPH levels. To exploit this vulnerability, we treated glioma and fibrosarcoma cells that harbor an IDH1 mutation with an inhibitor of nicotinamide adenine dinucleotide (NAD+) salvage pathway, FK866, and observed decreased viability in these cells. To understand the mechanism of action by which the inhibitor FK866 works, we used Raman imaging microscopy and identified that proteins and lipids are decreased upon treatment with the drug. Raman imaging showed a different distribution of lipids throughout the cell in the presence of the drug compared with the untreated cells. We employed nuclear magnetic resonance NMR spectroscopy and mass spectrometry to identify the classes of lipids altered. Our combined analyses point to a decrease in cell division due to loss of lipid content that contributes to membrane formation in the in vitro setting. However, the FK866 drug did not have the same potency in vivo. The use of Raman imaging microscopy indicated an opposite trend of lipid distribution in the tissue collected from treated versus untreated mice when compared with the cells. These results demonstrate the role of Raman imaging microscopy to identify and quantify metabolic changes in cancer cells and tissue.
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222
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Yaku K, Okabe K, Hikosaka K, Nakagawa T. NAD Metabolism in Cancer Therapeutics. Front Oncol 2018; 8:622. [PMID: 30631755 PMCID: PMC6315198 DOI: 10.3389/fonc.2018.00622] [Citation(s) in RCA: 133] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Accepted: 11/30/2018] [Indexed: 12/15/2022] Open
Abstract
Cancer cells have a unique energy metabolism for sustaining rapid proliferation. The preference for anaerobic glycolysis under normal oxygen conditions is a unique trait of cancer metabolism and is designated as the Warburg effect. Enhanced glycolysis also supports the generation of nucleotides, amino acids, lipids, and folic acid as the building blocks for cancer cell division. Nicotinamide adenine dinucleotide (NAD) is a co-enzyme that mediates redox reactions in a number of metabolic pathways, including glycolysis. Increased NAD levels enhance glycolysis and fuel cancer cells. In fact, nicotinamide phosphoribosyltransferase (Nampt), a rate-limiting enzyme for NAD synthesis in mammalian cells, is frequently amplified in several cancer cells. In addition, Nampt-specific inhibitors significantly deplete NAD levels and subsequently suppress cancer cell proliferation through inhibition of energy production pathways, such as glycolysis, tricarboxylic acid (TCA) cycle, and oxidative phosphorylation. NAD also serves as a substrate for poly(ADP-ribose) polymerase (PARP), sirtuin, and NAD gylycohydrolase (CD38 and CD157); thus, NAD regulates DNA repair, gene expression, and stress response through these enzymes. Thus, NAD metabolism is implicated in cancer pathogenesis beyond energy metabolism and considered a promising therapeutic target for cancer treatment. In this review, we present recent findings with respect to NAD metabolism and cancer pathogenesis. We also discuss the current and future perspectives regarding the therapeutics that target NAD metabolic pathways.
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Affiliation(s)
- Keisuke Yaku
- Department of Metabolism and Nutrition, Graduate School of Medicine and Pharmaceutical Science for Research, University of Toyama, Toyama, Japan
| | - Keisuke Okabe
- Department of Metabolism and Nutrition, Graduate School of Medicine and Pharmaceutical Science for Research, University of Toyama, Toyama, Japan.,First Department of Internal Medicine, Graduate School of Medicine and Pharmaceutical Science for Research, University of Toyama, Toyama, Japan
| | - Keisuke Hikosaka
- Department of Metabolism and Nutrition, Graduate School of Medicine and Pharmaceutical Science for Research, University of Toyama, Toyama, Japan
| | - Takashi Nakagawa
- Department of Metabolism and Nutrition, Graduate School of Medicine and Pharmaceutical Science for Research, University of Toyama, Toyama, Japan.,Institute of Natural Medicine, University of Toyama, Toyama, Japan
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223
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Mitochondrial VDAC1 Silencing Leads to Metabolic Rewiring and the Reprogramming of Tumour Cells into Advanced Differentiated States. Cancers (Basel) 2018; 10:cancers10120499. [PMID: 30544833 PMCID: PMC6316808 DOI: 10.3390/cancers10120499] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 11/27/2018] [Accepted: 12/04/2018] [Indexed: 01/10/2023] Open
Abstract
Oncogenic properties, along with the metabolic reprogramming necessary for tumour growth and motility, are acquired by cancer cells. Thus, tumour metabolism is becoming a target for cancer therapy. Here, cancer cell metabolism was tackled by silencing the expression of voltage-dependent anion channel 1 (VDAC1), a mitochondrial protein that controls cell energy, as well as metabolic and survival pathways and that is often over-expressed in many cancers. We demonstrated that silencing VDAC1 expression using human-specific siRNA (si-hVDAC1) inhibited cancer cell growth, both in vitro and in mouse xenograft models of human glioblastoma (U-87MG), lung cancer (A549), and triple negative breast cancer (MDA-MB-231). Importantly, treatment with si-hVDAC1 induced metabolic rewiring of the cancer cells, reversing their oncogenic properties and diverting them towards differentiated-like cells. The si-hVDAC1-treated residual “tumour” showed reprogrammed metabolism, decreased proliferation, inhibited stemness and altered expression of genes and proteins, leading to cell differentiation toward less malignant lineages. These VDAC1 depletion-mediated effects involved alterations in master transcription factors associated with cancer hallmarks, such as highly increased expression of p53 and decreased expression of HIF-1a and c-Myc that regulate signalling pathways (e.g., AMPK, mTOR). High expression of p53 and the pro-apoptotic proteins cytochrome c and caspases without induction of apoptosis points to functions for these proteins in promoting cell differentiation. These results clearly show that VDAC1 depletion similarly leads to a rewiring of cancer cell metabolism in breast and lung cancer and glioblastoma, regardless of origin or mutational status. This metabolic reprogramming results in cell growth arrest and inhibited tumour growth while encouraging cell differentiation, thus generating cells with decreased proliferation capacity. These results further suggest VDAC1 to be an innovative and markedly potent therapeutic target.
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224
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Current and future tools for determination and monitoring of isocitrate dehydrogenase status in gliomas. Curr Opin Neurol 2018; 31:727-732. [DOI: 10.1097/wco.0000000000000617] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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225
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Picca A, Berzero G, Di Stefano AL, Sanson M. The clinical use of IDH1 and IDH2 mutations in gliomas. Expert Rev Mol Diagn 2018; 18:1041-1051. [PMID: 30427756 DOI: 10.1080/14737159.2018.1548935] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Introduction: Mutations in the genes isocitrate dehydrogenase (IDH) 1 and 2 have been reported in a limited number of tumors. In gliomas, IDH mutations are primarily detected in WHO grade II-III tumors and represent a major biomarker with diagnostic, prognostic, and predictive implications. The recent development of IDH inhibitors and vaccines suggests that the IDH mutation is also an appealing target for therapy. Areas covered: This review focuses on the role of IDH mutations in diffuse gliomas. Besides discussing their role in gliomagenesis, we will emphasize the role of IDH mutations in clinical practice as a diagnostic, prognostic and predictive biomarker, and as a potential therapeutic target. Noninvasive detection of the IDH mutation by means of liquid biopsy and MR spectroscopy will also be discussed. Expert commentary: While IDH mutation is a consolidated diagnostic and prognostic biomarker in clinical practice, its role in oncogenesis is far from being elucidated, and there are several pending issues. The routine use of noninvasive techniques for detection and monitoring of the IDH status remains challenging. Although the IDH mutation is a very early alteration in gliomagenesis, it may then be omitted during tumor progression. This observation has important implications when designing targeted clinical trials.
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Affiliation(s)
- Alberto Picca
- a Neuroscience Consortium , University of Pavia , Pavia , Italy
| | - Giulia Berzero
- b Neuroncology Unit , IRCCS Mondino Foundation , Pavia , Italy.,c Biomedical Sciences , University of Pavia , Pavia , Italy
| | - Anna Luisa Di Stefano
- d Sorbonne Universités , Paris , France.,e Department of Neurology , Foch Hospital , Suresnes, Paris , France
| | - Marc Sanson
- d Sorbonne Universités , Paris , France.,f Service de Neurologie 2 , AP-HP, Hôpital de la Pitié-Salpêtrière , Paris , France
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226
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Spino M, Kurz SC, Chiriboga L, Serrano J, Zeck B, Sen N, Patel S, Shen G, Vasudevaraja V, Tsirigos A, Suryadevara CM, Frenster JD, Tateishi K, Wakimoto H, Jain R, Riina HA, Nicolaides TP, Sulman EP, Cahill DP, Golfinos JG, Isse K, Saunders LR, Zagzag D, Placantonakis DG, Snuderl M, Chi AS. Cell Surface Notch Ligand DLL3 is a Therapeutic Target in Isocitrate Dehydrogenase-mutant Glioma. Clin Cancer Res 2018; 25:1261-1271. [PMID: 30397180 DOI: 10.1158/1078-0432.ccr-18-2312] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 10/30/2018] [Accepted: 11/01/2018] [Indexed: 11/16/2022]
Abstract
PURPOSE Isocitrate dehydrogenase (IDH)-mutant glioma is a distinct glioma molecular subtype for which no effective molecularly directed therapy exists. Low-grade gliomas, which are 80%-90% IDH-mutant, have high RNA levels of the cell surface Notch ligand DLL3. We sought to determine DLL3 expression by IHC in glioma molecular subtypes and the potential efficacy of an anti-DLL3 antibody-drug conjugate (ADC), rovalpituzumab tesirine (Rova-T), in IDH-mutant glioma. EXPERIMENTAL DESIGN We evaluated DLL3 expression by RNA using TCGA data and by IHC in a discovery set of 63 gliomas and 20 nontumor brain tissues and a validation set of 62 known IDH wild-type and mutant gliomas using a monoclonal anti-DLL3 antibody. Genotype was determined using a DNA methylation array classifier or by sequencing. The effect of Rova-T on patient-derived endogenous IDH-mutant glioma tumorspheres was determined by cell viability assay. RESULTS Compared to IDH wild-type glioblastoma, IDH-mutant gliomas have significantly higher DLL3 RNA (P < 1 × 10-15) and protein by IHC (P = 0.0014 and P < 4.3 × 10-6 in the discovery and validation set, respectively). DLL3 immunostaining was intense and homogeneous in IDH-mutant gliomas, retained in all recurrent tumors, and detected in only 1 of 20 nontumor brains. Patient-derived IDH-mutant glioma tumorspheres overexpressed DLL3 and were potently sensitive to Rova-T in an antigen-dependent manner. CONCLUSIONS DLL3 is selectively and homogeneously expressed in IDH-mutant gliomas and can be targeted with Rova-T in patient-derived IDH-mutant glioma tumorspheres. Our findings are potentially immediately translatable and have implications for therapeutic strategies that exploit cell surface tumor-associated antigens.
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Affiliation(s)
- Marissa Spino
- Department of Pathology, NYU Langone Health, New York, New York
| | - Sylvia C Kurz
- Laura and Isaac Perlmutter Cancer Center, NYU Langone Health, New York, New York
| | - Luis Chiriboga
- Department of Pathology, NYU Langone Health, New York, New York
| | | | - Briana Zeck
- Department of Pathology, NYU Langone Health, New York, New York
| | - Namita Sen
- Laura and Isaac Perlmutter Cancer Center, NYU Langone Health, New York, New York
| | - Seema Patel
- Department of Pathology, NYU Langone Health, New York, New York
| | - Guomiao Shen
- Department of Pathology, NYU Langone Health, New York, New York
| | | | - Aristotelis Tsirigos
- Department of Pathology, NYU Langone Health, New York, New York.,Laura and Isaac Perlmutter Cancer Center, NYU Langone Health, New York, New York
| | | | | | - Kensuke Tateishi
- Department of Neurosurgery, Yokohama City University School of Medicine, Yokohama, Japan
| | - Hiroaki Wakimoto
- Department of Neurosurgery, Massachusetts General Hospital, Boston, Massachusetts
| | - Rajan Jain
- Laura and Isaac Perlmutter Cancer Center, NYU Langone Health, New York, New York.,Department of Neurosurgery, NYU Langone Health, New York, New York.,Department of Radiology, NYU Langone Health, New York, New York
| | - Howard A Riina
- Department of Neurosurgery, NYU Langone Health, New York, New York
| | - Theodore P Nicolaides
- Laura and Isaac Perlmutter Cancer Center, NYU Langone Health, New York, New York.,Department of Pediatrics, NYU Langone Health, New York, New York
| | - Erik P Sulman
- Laura and Isaac Perlmutter Cancer Center, NYU Langone Health, New York, New York.,Departments of Radiation Oncology, Translational Molecular Pathology, and Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas.,Department of Radiation Oncology, NYU Langone Health, New York, New York
| | - Daniel P Cahill
- Department of Neurosurgery, Massachusetts General Hospital, Boston, Massachusetts
| | - John G Golfinos
- Laura and Isaac Perlmutter Cancer Center, NYU Langone Health, New York, New York.,Department of Neurosurgery, NYU Langone Health, New York, New York
| | - Kumiko Isse
- AbbVie Stemcentrx LLC, San Francisco, California
| | | | - David Zagzag
- Department of Pathology, NYU Langone Health, New York, New York.,Laura and Isaac Perlmutter Cancer Center, NYU Langone Health, New York, New York
| | - Dimitris G Placantonakis
- Laura and Isaac Perlmutter Cancer Center, NYU Langone Health, New York, New York.,Department of Neurosurgery, NYU Langone Health, New York, New York
| | - Matija Snuderl
- Department of Pathology, NYU Langone Health, New York, New York.,Laura and Isaac Perlmutter Cancer Center, NYU Langone Health, New York, New York
| | - Andrew S Chi
- Laura and Isaac Perlmutter Cancer Center, NYU Langone Health, New York, New York. .,Department of Neurosurgery, NYU Langone Health, New York, New York
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IDH1 R132H is intrinsically tumor-suppressive but functionally attenuated by the glutamate-rich cerebral environment. Oncotarget 2018; 9:35100-35113. [PMID: 30416682 PMCID: PMC6205547 DOI: 10.18632/oncotarget.26203] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Accepted: 09/21/2018] [Indexed: 12/15/2022] Open
Abstract
Recurrent heterozygous mutation of isocitrate dehydrogenase 1 gene (IDH1), predominantly resulting in histidine substitution at arginine 132, was first identified in glioma. The biological significance of IDH1R132H, however, has been controversial, and its prevalent association with glioma remains enigmatic. Although recent studies indicate that IDH1R132H is nonessential to tumor growth or even anti-tumor growth, whether IDH1R132H initiates gliomagenesis remains obscure. In this study, we report that IDH1R132H is intrinsically tumor-suppressive but the activity can be attenuated by glutamate—the cerebral neurotransmitter. We observed that IDH1R132H was highly suppressive of subcutaneous tumor growth driven by platelet-derived growth factor B (PDGFB), but IDH1R132H tumor growth and glioma penetrance were virtually indistinguishable from those of IDH1-wildtype tumors in orthotopic models. In vitro, addition of glutamate compromised IDH1R132H inhibition of neurosphere genesis, indicating glutamate promotion of oncogenic dominance. Furthermore, we observed that IDH1R132H expression was markedly decreased in tumors but became more permissible upon the deletion of tumor-suppressor gene Cdkn2a. To provide direct evidence for the opposing effect of IDH1R132H on PDGFB-driven glioma development, we explored tandem expression of the two molecules from a single transcript to preclude selection against IDH1R132H expression. Our results demonstrate that when juxtaposed with oncogenic PDGFB, IDH1R132H overrides the oncogenic activity and obliterates neurosphere genesis and gliomagenesis even in the glutamate-rich microenvironment. We propose therefore that IDH1R132H is intrinsically suppressive of glioma initiation and growth but such tumor-suppressive activity is compromised by the glutamate-rich cerebral cortex, thereby offering a unifying hypothesis for the perplexing role of IDH1R132H in glioma initiation and growth.
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229
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Testa U, Castelli G, Pelosi E. Genetic Abnormalities, Clonal Evolution, and Cancer Stem Cells of Brain Tumors. Med Sci (Basel) 2018; 6:E85. [PMID: 30279357 PMCID: PMC6313628 DOI: 10.3390/medsci6040085] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 09/19/2018] [Accepted: 09/25/2018] [Indexed: 02/06/2023] Open
Abstract
Brain tumors are highly heterogeneous and have been classified by the World Health Organization in various histological and molecular subtypes. Gliomas have been classified as ranging from low-grade astrocytomas and oligodendrogliomas to high-grade astrocytomas or glioblastomas. These tumors are characterized by a peculiar pattern of genetic alterations. Pediatric high-grade gliomas are histologically indistinguishable from adult glioblastomas, but they are considered distinct from adult glioblastomas because they possess a different spectrum of driver mutations (genes encoding histones H3.3 and H3.1). Medulloblastomas, the most frequent pediatric brain tumors, are considered to be of embryonic derivation and are currently subdivided into distinct subgroups depending on histological features and genetic profiling. There is emerging evidence that brain tumors are maintained by a special neural or glial stem cell-like population that self-renews and gives rise to differentiated progeny. In many instances, the prognosis of the majority of brain tumors remains negative and there is hope that the new acquisition of information on the molecular and cellular bases of these tumors will be translated in the development of new, more active treatments.
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Affiliation(s)
- Ugo Testa
- Department of Oncology, Istituto Superiore di Sanità, 00161 Rome, Italy.
| | - Germana Castelli
- Department of Oncology, Istituto Superiore di Sanità, 00161 Rome, Italy.
| | - Elvira Pelosi
- Department of Oncology, Istituto Superiore di Sanità, 00161 Rome, Italy.
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Fujiwara H, Tateishi K, Kato H, Nakatsuka T, Yamamoto K, Tanaka Y, Ijichi H, Takahara N, Mizuno S, Kogure H, Matsubara S, Nakai Y, Koike K. Isocitrate dehydrogenase 1 mutation sensitizes intrahepatic cholangiocarcinoma to the BET inhibitor JQ1. Cancer Sci 2018; 109:3602-3610. [PMID: 30156013 PMCID: PMC6215870 DOI: 10.1111/cas.13784] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 08/17/2018] [Accepted: 08/23/2018] [Indexed: 12/11/2022] Open
Abstract
Cholangiocarcinoma is a life‐threatening disease with a poor prognosis. Although genome analysis unraveled some genetic mutation profiles in cholangiocarcinoma, it remains unknown whether such genetic abnormalities relate to the effects of anticancer drugs. Mutations in isocitrate dehydrogenase 1 and 2 (IDH1/2) are exclusively found in almost 20% of intrahepatic cholangiocarcinoma (ICC). Recently, the anticancer effects of BET inhibitors including JQ1 have been shown in various tumors. In the present study, we report that the antigrowth effect of JQ1 differs among ICC cells and IDH1 mutation sensitizes ICC cells to JQ1. RBE cells harboring IDH1 mutation was more sensitive to JQ1 than HuCCT1 or HuH28 cells with wild‐type IDH1. JQ1 induced apoptosis only in RBE cells through the upregulation of proapoptotic genes BAX and BIM. We found that the antigrowth effect was not attributed to downregulation of the MYC gene as a well‐known target of JQ1 in various cancer cells. Notably, the forced expression of mutant IDH1 successfully sensitized HuCCT1 cells to JQ1. In addition, AGI‐5198, a selective inhibitor of mutant IDH1 partially reversed the decrease in viability after JQ1 treatment and also suppressed the JQ1‐induced apoptosis in RBE cells. These data suggest that IDH1 mutation contributed to the growth inhibitory effect of JQ1 in RBE cells. Furthermore, given that the effect of mutant IDH1 was not recapitulated in glioblastoma cells, the enhancement of JQ1 sensitivity by IDH1 mutation seems to be specific for ICC cells. Our findings propose a new stratified therapeutic strategy based on IDH1 mutation in ICC.
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Affiliation(s)
- Hiroaki Fujiwara
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Keisuke Tateishi
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Hiroyuki Kato
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Takuma Nakatsuka
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Keisuke Yamamoto
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yasuo Tanaka
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Hideaki Ijichi
- Department of Clinical Nutrition Therapy, The University of Tokyo Hospital, Tokyo, Japan
| | - Naminatsu Takahara
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Suguru Mizuno
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Hirofumi Kogure
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Saburo Matsubara
- Department of Gastroenterology, Saitama Medical Center, Saitama Medical University, Kawagoe, Japan
| | - Yousuke Nakai
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Kazuhiko Koike
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
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Nazeri E, Gouran Savadkoohi M, Majidzadeh-A K, Esmaeili R. Chondrosarcoma: An overview of clinical behavior, molecular mechanisms mediated drug resistance and potential therapeutic targets. Crit Rev Oncol Hematol 2018; 131:102-109. [PMID: 30293700 DOI: 10.1016/j.critrevonc.2018.09.001] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2018] [Revised: 04/28/2018] [Accepted: 09/03/2018] [Indexed: 12/24/2022] Open
Abstract
Sarcomas are known as a heterogeneous class of cancers arisen in the connective tissues and demonstrated various histological subtypes including both soft tissue and bone origin. Chondrosarcoma is one of the main types of bone sarcoma that shows a considerable deficiency in response to chemotherapy and radiotherapy. While conventional treatment based on surgery, chemo-and radiotherapy are used in this tumor, high rate of death especially among children and adolescents are reported. Due to high resistance to current conventional therapies in chondrosarcoma, there is an urgent requirement to recognize factors causing resistance and discover new strategies for optimal treatment. In the past decade, dysregulation of genes associated with tumor development and therapy resistance has been studied to find potential therapeutic targets to overcome resistance. In this review, clinical aspects of chondrosarcoma are summarized. Moreover, it gives a summary of gene dysregulation, mutation, histone modifications and non-coding RNAs associated with tumor development and therapeutic response modulation. Finally, the probable role of tumor microenvironment in chondrosarcoma drug resistance and targeted therapies as a promising molecular therapeutic approach are summarized.
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Affiliation(s)
- Elahe Nazeri
- Genetics Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran.
| | | | - Keivan Majidzadeh-A
- Genetics Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran.
| | - Rezvan Esmaeili
- Genetics Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran.
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232
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Lee J, Kim H, Lee JE, Shin SJ, Oh S, Kwon G, Kim H, Choi YY, White MA, Paik S, Cheong JH, Kim HS. Selective Cytotoxicity of the NAMPT Inhibitor FK866 Toward Gastric Cancer Cells With Markers of the Epithelial-Mesenchymal Transition, Due to Loss of NAPRT. Gastroenterology 2018; 155:799-814.e13. [PMID: 29775598 DOI: 10.1053/j.gastro.2018.05.024] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2017] [Revised: 05/03/2018] [Accepted: 05/09/2018] [Indexed: 01/06/2023]
Abstract
BACKGROUND & AIMS Markers of the epithelial-to-mesenchymal transition (EMT) in gastric tumor tissues are associated with poor patient outcomes. We performed a screen to identify pharmacologic compounds that kill gastric cancer cells with EMT-associated gene expression patterns and investigate their mechanisms. METHODS We identified 29 gastric cancer cell lines with a gene expression signature previously associated with an EMT subtype, based on data from RNA sequence analyses, and confirmed the mesenchymal phenotypes of 7 lines (Hs746T, SNU1750, MKN1, SK4, SNU484, SNU668, and YCC11), based on invasive activity and protein markers. We screened 1,345 compounds for their ability to kill cells with the EMT signature compared with cell lines without this pattern. We tested the effects of identified compounds in BALB/c nude mice bearing GA077 tumors; mice were given intraperitoneal injections of the compound or vehicle (control) twice daily for 24 days and tumor growth was monitored. Proteins associated with the toxicity of the compounds were overexpressed in MKN1 and SNU484 cells or knocked down in MKN45 and SNU719 using small interfering RNAs. We performed immunohistochemical analyses of 942 gastric cancer tissues and investigated associations between EMT markers and protein expression patterns. RESULTS The nicotinamide phosphoribosyltransferase inhibitor FK866 killed 6 of 7 gastric cancer cell lines with EMT-associated gene expression signatures but not gastric cancer cells without this signature. The 6 EMT-subtype gastric cell lines expressed significantly low levels of nicotinic acid phosphoribosyltransferase (NAPRT), which makes the cells hypersensitive to nicotinamide phosphoribosyltransferase inhibition. Gastric cell lines that expressed higher levels of NAPRT, regardless of EMT markers, were sensitized to FK866 after knockdown of NAPRT, whereas overexpression of NAPRT in deficient EMT cell lines protected them from FK866-mediated toxicity. Administration of FK866 to nude mice with tumors grown from GA077 cells (human gastric cancer tumors of the EMT subtype) led to tumor regression in 2 weeks; FK866 did not affect tumors grown from MKN45 cells without the EMT expression signature. Loss of NAPRT might promote the EMT, because it stabilizes β-catenin. We correlated the EMT gene expression signature with lower levels of NAPRT in 942 gastric tumors from patients; we also found lower levels of NAPRT mRNA in colorectal, pancreatic, and lung adenocarcinoma tissues with the EMT gene expression signature. CONCLUSIONS FK866 selectively kills gastric cancer cells with an EMT gene expression signature by inhibiting nicotinamide phosphoribosyltransferase in cells with NAPRT deficiency. Loss of NAPRT expression, frequently through promoter hypermethylation, is observed in many gastric tumors of the EMT subtype. FK866 might be used to treat patients with tumors of this subtype.
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Affiliation(s)
- Jooyoung Lee
- Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Hyosil Kim
- Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Jae Eun Lee
- Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea; Department of Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Su-Jin Shin
- Department of Pathology, Hanyang University College of Medicine, Seoul, Korea
| | - Sejin Oh
- Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea; Brain Korea 21 Plus Project for Medical Science, Yonsei University College of Medicine, Seoul, Korea
| | - Gino Kwon
- Graduate Program for Nanomedical Science, Yonsei University, Seoul, Korea
| | - Hakhyun Kim
- Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea; Brain Korea 21 Plus Project for Medical Science, Yonsei University College of Medicine, Seoul, Korea
| | - Yoon Young Choi
- Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea; Department of Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Michael A White
- Department of Cell Biology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Soonmyung Paik
- Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Jae-Ho Cheong
- Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea; Department of Surgery, Yonsei University College of Medicine, Seoul, Korea; Brain Korea 21 Plus Project for Medical Science, Yonsei University College of Medicine, Seoul, Korea.
| | - Hyun Seok Kim
- Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea; Brain Korea 21 Plus Project for Medical Science, Yonsei University College of Medicine, Seoul, Korea.
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Hövener JB, Pravdivtsev AN, Kidd B, Bowers CR, Glöggler S, Kovtunov KV, Plaumann M, Katz-Brull R, Buckenmaier K, Jerschow A, Reineri F, Theis T, Shchepin RV, Wagner S, Bhattacharya P, Zacharias NM, Chekmenev EY. Parahydrogen-Based Hyperpolarization for Biomedicine. Angew Chem Int Ed Engl 2018; 57:11140-11162. [PMID: 29484795 PMCID: PMC6105405 DOI: 10.1002/anie.201711842] [Citation(s) in RCA: 228] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 02/14/2018] [Indexed: 12/22/2022]
Abstract
Magnetic resonance (MR) is one of the most versatile and useful physical effects used for human imaging, chemical analysis, and the elucidation of molecular structures. However, its full potential is rarely used, because only a small fraction of the nuclear spin ensemble is polarized, that is, aligned with the applied static magnetic field. Hyperpolarization methods seek other means to increase the polarization and thus the MR signal. A unique source of pure spin order is the entangled singlet spin state of dihydrogen, parahydrogen (pH2 ), which is inherently stable and long-lived. When brought into contact with another molecule, this "spin order on demand" allows the MR signal to be enhanced by several orders of magnitude. Considerable progress has been made in the past decade in the area of pH2 -based hyperpolarization techniques for biomedical applications. It is the goal of this Review to provide a selective overview of these developments, covering the areas of spin physics, catalysis, instrumentation, preparation of the contrast agents, and applications.
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Affiliation(s)
- Jan-Bernd Hövener
- Section Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), Department of Radiology and Neuroradiology, University Hospital Schleswig-Holstein, Kiel University, Am Botanischen Garten 14, 24118, Kiel, Germany
| | - Andrey N Pravdivtsev
- Section Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), Department of Radiology and Neuroradiology, University Hospital Schleswig-Holstein, Kiel University, Am Botanischen Garten 14, 24118, Kiel, Germany
| | - Bryce Kidd
- Department of Chemistry and Biochemistry, Southern Illinois University, Carbondale, IL, 62901, USA
| | - C Russell Bowers
- Department of Chemistry, University of Florida, Gainesville, FL, 32611, USA
| | - Stefan Glöggler
- Max Planck Institute for Biophysical Chemistry, Am Fassberg 11, 37077, Göttingen, Germany
- Center for Biostructural Imaging of Neurodegeneration, Von-Siebold-Strasse 3A, 37075, Göttingen, Germany
| | - Kirill V Kovtunov
- International Tomography Center SB RAS, 630090, Novosibirsk, Russia
- Department of Natural Sciences, Novosibirsk State University, Pirogova St. 2, 630090, Novosibirsk, Russia
| | - Markus Plaumann
- Department of Biometry and Medical Informatics, Otto-von-Guericke University of Magdeburg, Leipziger Strasse 44, 39120, Magdeburg, Germany
| | - Rachel Katz-Brull
- Department of Radiology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Kai Buckenmaier
- Magnetic resonance center, Max Planck Institute for Biological Cybernetics, Tuebingen, Germany
| | - Alexej Jerschow
- Department of Chemistry, New York University, 100 Washington Sq. East, New York, NY, 10003, USA
| | - Francesca Reineri
- Department of Molecular Biotechnology and Health Sciences, University of Torino, via Nizza 52, Torino, Italy
| | - Thomas Theis
- Department of Chemistry & Department of Physics, Duke University, Durham, NC, 27708, USA
| | - Roman V Shchepin
- Vanderbilt University Institute of Imaging Science (VUIIS), Department of Radiology and Radiological Sciences, 1161 21st Ave South, MCN AA-1105, Nashville, TN, 37027, USA
| | - Shawn Wagner
- Biomedical Imaging Research Institute, Cedars Sinai Medical Center, Los Angeles, CA, 90048, USA
| | - Pratip Bhattacharya
- Department of Cancer Systems Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Niki M Zacharias
- Department of Cancer Systems Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Eduard Y Chekmenev
- Russian Academy of Sciences (RAS), Leninskiy Prospekt 14, Moscow, 119991, Russia
- Department of Chemistry, Karmanos Cancer Institute (KCI) and Integrative Biosciences (Ibio), Wayne State University, Detroit, MI, 48202, USA
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Shelar S, Shim EH, Brinkley GJ, Kundu A, Carobbio F, Poston T, Tan J, Parekh V, Benson D, Crossman DK, Buckhaults PJ, Rakheja D, Kirkman R, Sato Y, Ogawa S, Dutta S, Velu SE, Emberley E, Pan A, Chen J, Huang T, Absher D, Becker A, Kunick C, Sudarshan S. Biochemical and Epigenetic Insights into L-2-Hydroxyglutarate, a Potential Therapeutic Target in Renal Cancer. Clin Cancer Res 2018; 24:6433-6446. [PMID: 30108105 DOI: 10.1158/1078-0432.ccr-18-1727] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 07/09/2018] [Accepted: 08/08/2018] [Indexed: 01/08/2023]
Abstract
PURPOSE Elevation of L-2-hydroxylgutarate (L-2-HG) in renal cell carcinoma (RCC) is due in part to reduced expression of L-2-HG dehydrogenase (L2HGDH). However, the contribution of L-2-HG to renal carcinogenesis and insight into the biochemistry and targets of this small molecule remains to be elucidated. EXPERIMENTAL DESIGN Genetic and pharmacologic approaches to modulate L-2-HG levels were assessed for effects on in vitro and in vivo phenotypes. Metabolomics was used to dissect the biochemical mechanisms that promote L-2-HG accumulation in RCC cells. Transcriptomic analysis was utilized to identify relevant targets of L-2-HG. Finally, bioinformatic and metabolomic analyses were used to assess the L-2-HG/L2HGDH axis as a function of patient outcome and cancer progression. RESULTS L2HGDH suppresses both in vitro cell migration and in vivo tumor growth and these effects are mediated by L2HGDH's catalytic activity. Biochemical studies indicate that glutamine is the predominant carbon source for L-2-HG via the activity of malate dehydrogenase 2 (MDH2). Inhibition of the glutamine-MDH2 axis suppresses in vitro phenotypes in an L-2-HG-dependent manner. Moreover, in vivo growth of RCC cells with basal elevation of L-2-HG is suppressed by glutaminase inhibition. Transcriptomic and functional analyses demonstrate that the histone demethylase KDM6A is a target of L-2-HG in RCC. Finally, increased L-2-HG levels, L2HGDH copy loss, and lower L2HGDH expression are associated with tumor progression and/or worsened prognosis in patients with RCC. CONCLUSIONS Collectively, our studies provide biochemical and mechanistic insight into the biology of this small molecule and provide new opportunities for treating L-2-HG-driven kidney cancers.
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Affiliation(s)
- Sandeep Shelar
- Department of Urology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Eun-Hee Shim
- Department of Urology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Garrett J Brinkley
- Department of Urology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Anirban Kundu
- Department of Urology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Francesca Carobbio
- Department of Urology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Tyler Poston
- Department of Urology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Jubilee Tan
- Department of Urology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Vishwas Parekh
- Department of Pathology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Daniel Benson
- Department of Urology, University of Alabama at Birmingham, Birmingham, Alabama
| | - David K Crossman
- Department of Genetics, University of Alabama at Birmingham, Birmingham, Alabama
| | - Phillip J Buckhaults
- South Carolina College of Pharmacy, University of South Carolina, Columbia, South Calorina
| | - Dinesh Rakheja
- Department of Pathology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Richard Kirkman
- Department of Urology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Yusuke Sato
- Graduate School of Medicine, University of Tokyo, Japan
| | - Seishi Ogawa
- Graduate School of Medicine, University of Tokyo, Japan
| | - Shilpa Dutta
- Department of Chemistry, University of Alabama at Birmingham, Birmingham, Alabama
| | - Sadanandan E Velu
- Department of Chemistry, University of Alabama at Birmingham, Birmingham, Alabama
| | | | - Alison Pan
- Calithera Biosciences, South San Francisco, California
| | - Jason Chen
- Calithera Biosciences, South San Francisco, California
| | - Tony Huang
- Calithera Biosciences, South San Francisco, California
| | - Devin Absher
- HudsonAlpha Institute for Biotechnology, Huntsville, Alabama
| | - Anja Becker
- Institut für Medizinische und Pharmazeutische Chemie, Technische Universität Braunschweig, Braunschweig, Germany
| | - Conrad Kunick
- Institut für Medizinische und Pharmazeutische Chemie, Technische Universität Braunschweig, Braunschweig, Germany
| | - Sunil Sudarshan
- Department of Urology, University of Alabama at Birmingham, Birmingham, Alabama.
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235
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Waitkus MS, Diplas BH, Yan H. Biological Role and Therapeutic Potential of IDH Mutations in Cancer. Cancer Cell 2018; 34:186-195. [PMID: 29805076 PMCID: PMC6092238 DOI: 10.1016/j.ccell.2018.04.011] [Citation(s) in RCA: 207] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Revised: 03/25/2018] [Accepted: 04/26/2018] [Indexed: 12/20/2022]
Abstract
Hotspot mutations in isocitrate dehydrogenase 1 (IDH1) and isocitrate dehydrogenase 2 (IDH2) occur in a variety of myeloid malignancies and solid tumors. Mutant IDH proteins acquire a neomorphic enzyme activity to produce the putative oncometabolite D-2-hydroxyglutarate, which is thought to block cellular differentiation by competitively inhibiting α-ketoglutarate-dependent dioxygenases involved in histone and DNA demethylation. Small-molecule inhibitors of mutant IDH1 and IDH2 have been developed and are progressing through pre-clinical and clinical development. In this review, we provide an overview of mutant IDH-targeted therapy and discuss a number of important recent pre-clinical studies using models of IDH-mutant solid tumors.
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Affiliation(s)
- Matthew S Waitkus
- Department of Pathology, Duke University, Durham, NC, USA; The Preston Robert Tisch Brain Tumor Center, Duke University, Durham, NC, USA
| | - Bill H Diplas
- Department of Pathology, Duke University, Durham, NC, USA; The Preston Robert Tisch Brain Tumor Center, Duke University, Durham, NC, USA
| | - Hai Yan
- Department of Pathology, Duke University, Durham, NC, USA; The Preston Robert Tisch Brain Tumor Center, Duke University, Durham, NC, USA.
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236
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Abstract
Aggressive neurosurgical resection to achieve sustained local control is essential for prolonging survival in patients with lower-grade glioma. However, progression in many of these patients is characterized by local regrowth. Most lower-grade gliomas harbor isocitrate dehydrogenase 1 (IDH1) or IDH2 mutations, which sensitize to metabolism-altering agents. To improve local control of IDH mutant gliomas while avoiding systemic toxicity associated with metabolic therapies, we developed a precision intraoperative treatment that couples a rapid multiplexed genotyping tool with a sustained release microparticle (MP) drug delivery system containing an IDH-directed nicotinamide phosphoribosyltransferase (NAMPT) inhibitor (GMX-1778). We validated our genetic diagnostic tool on clinically annotated tumor specimens. GMX-1778 MPs showed mutant IDH genotype-specific toxicity in vitro and in vivo, inducing regression of orthotopic IDH mutant glioma murine models. Our strategy enables immediate intraoperative genotyping and local application of a genotype-specific treatment in surgical scenarios where local tumor control is paramount and systemic toxicity is therapeutically limiting.
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237
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Bunse L, Pusch S, Bunse T, Sahm F, Sanghvi K, Friedrich M, Alansary D, Sonner JK, Green E, Deumelandt K, Kilian M, Neftel C, Uhlig S, Kessler T, von Landenberg A, Berghoff AS, Marsh K, Steadman M, Zhu D, Nicolay B, Wiestler B, Breckwoldt MO, Al-Ali R, Karcher-Bausch S, Bozza M, Oezen I, Kramer M, Meyer J, Habel A, Eisel J, Poschet G, Weller M, Preusser M, Nadji-Ohl M, Thon N, Burger MC, Harter PN, Ratliff M, Harbottle R, Benner A, Schrimpf D, Okun J, Herold-Mende C, Turcan S, Kaulfuss S, Hess-Stumpp H, Bieback K, Cahill DP, Plate KH, Hänggi D, Dorsch M, Suvà ML, Niemeyer BA, von Deimling A, Wick W, Platten M. Suppression of antitumor T cell immunity by the oncometabolite (R)-2-hydroxyglutarate. Nat Med 2018; 24:1192-1203. [PMID: 29988124 DOI: 10.1038/s41591-018-0095-6] [Citation(s) in RCA: 340] [Impact Index Per Article: 56.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Accepted: 03/27/2018] [Indexed: 12/22/2022]
Abstract
The oncometabolite (R)-2-hydroxyglutarate (R-2-HG) produced by isocitrate dehydrogenase (IDH) mutations promotes gliomagenesis via DNA and histone methylation. Here, we identify an additional activity of R-2-HG: tumor cell-derived R-2-HG is taken up by T cells where it induces a perturbation of nuclear factor of activated T cells transcriptional activity and polyamine biosynthesis, resulting in suppression of T cell activity. IDH1-mutant gliomas display reduced T cell abundance and altered calcium signaling. Antitumor immunity to experimental syngeneic IDH1-mutant tumors induced by IDH1-specific vaccine or checkpoint inhibition is improved by inhibition of the neomorphic enzymatic function of mutant IDH1. These data attribute a novel, non-tumor cell-autonomous role to an oncometabolite in shaping the tumor immune microenvironment.
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Affiliation(s)
- Lukas Bunse
- German Cancer Consortium (DKTK) Clinical Cooperation Unit (CCU) Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Neurology, Heidelberg University Medical Center, Heidelberg, Germany
- National Center for Tumor Diseases Heidelberg, DKTK, Heidelberg, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Stefan Pusch
- Department of Neuropathology, Heidelberg University Medical Center, Heidelberg, Germany
- DKTK CCU Neuropathology, DKFZ, Heidelberg, Germany
| | - Theresa Bunse
- German Cancer Consortium (DKTK) Clinical Cooperation Unit (CCU) Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center (DKFZ), Heidelberg, Germany
- National Center for Tumor Diseases Heidelberg, DKTK, Heidelberg, Germany
- Department of Neurology, University Hospital and Medical Faculty Mannheim, Mannheim, Germany
| | - Felix Sahm
- Department of Neuropathology, Heidelberg University Medical Center, Heidelberg, Germany
- DKTK CCU Neuropathology, DKFZ, Heidelberg, Germany
| | - Khwab Sanghvi
- German Cancer Consortium (DKTK) Clinical Cooperation Unit (CCU) Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Mirco Friedrich
- German Cancer Consortium (DKTK) Clinical Cooperation Unit (CCU) Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Dalia Alansary
- Molecular Biophysics, Center for Integrative Physiology and Molecular Medicine, School of Medicine, Saarland University, Homburg, Germany
| | - Jana K Sonner
- German Cancer Consortium (DKTK) Clinical Cooperation Unit (CCU) Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Edward Green
- German Cancer Consortium (DKTK) Clinical Cooperation Unit (CCU) Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Katrin Deumelandt
- German Cancer Consortium (DKTK) Clinical Cooperation Unit (CCU) Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Michael Kilian
- German Cancer Consortium (DKTK) Clinical Cooperation Unit (CCU) Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Cyril Neftel
- Broad Institute of Harvard and MIT and Department of Pathology and Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Stefanie Uhlig
- FlowCore Mannheim and Institute of Transfusion Medicine and Immunology, Mannheim, Germany
| | - Tobias Kessler
- Department of Neurology, Heidelberg University Medical Center, Heidelberg, Germany
- National Center for Tumor Diseases Heidelberg, DKTK, Heidelberg, Germany
- DKTK CCU Neurooncology, DKFZ, Heidelberg, Germany
| | - Anna von Landenberg
- German Cancer Consortium (DKTK) Clinical Cooperation Unit (CCU) Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Anna S Berghoff
- DKTK CCU Neurooncology, DKFZ, Heidelberg, Germany
- Institute of Neurology, Medical University of Vienna, Vienna, Austria
- CNS Tumors Unit, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Kelly Marsh
- Agios Pharmaceuticals, Inc., Cambridge, MA, USA
| | | | - Dongwei Zhu
- Agios Pharmaceuticals, Inc., Cambridge, MA, USA
| | | | - Benedikt Wiestler
- Department of Diagnostic and Interventional Neuroradiology, Neuro-Kopf-Zentrum, Klinikum rechts der Isar, Technical University Munich, Munich, Germany
| | - Michael O Breckwoldt
- German Cancer Consortium (DKTK) Clinical Cooperation Unit (CCU) Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Neuroradiology, Heidelberg University Medical Center, Heidelberg, Germany
| | - Ruslan Al-Ali
- Max Eder Junior Group on Low Grade Gliomas, Heidelberg University Medical Center, Heidelberg, Germany
| | - Simone Karcher-Bausch
- German Cancer Consortium (DKTK) Clinical Cooperation Unit (CCU) Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | | | - Iris Oezen
- German Cancer Consortium (DKTK) Clinical Cooperation Unit (CCU) Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Magdalena Kramer
- German Cancer Consortium (DKTK) Clinical Cooperation Unit (CCU) Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Jochen Meyer
- Department of Neuropathology, Heidelberg University Medical Center, Heidelberg, Germany
- DKTK CCU Neuropathology, DKFZ, Heidelberg, Germany
| | - Antje Habel
- Department of Neuropathology, Heidelberg University Medical Center, Heidelberg, Germany
- DKTK CCU Neuropathology, DKFZ, Heidelberg, Germany
| | - Jessica Eisel
- Department of Neuropathology, Heidelberg University Medical Center, Heidelberg, Germany
- DKTK CCU Neuropathology, DKFZ, Heidelberg, Germany
| | - Gernot Poschet
- Center for Organismal Studies, University Heidelberg, Heidelberg, Germany
| | - Michael Weller
- Department of Neurology, University Hospital and University of Zurich, Zurich, Switzerland
| | - Matthias Preusser
- CNS Tumors Unit, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
- Department for Medicine I, Clinical Division of Oncology, Medical University of Vienna, Vienna, Austria
| | - Minou Nadji-Ohl
- Department of Neurosurgery, Stuttgart Clinics, Stuttgart, Germany
| | - Niklas Thon
- Department of Neurosurgery, Klinikum Grosshadern, Ludwig-Maximilians-University, Munich, Germany
| | - Michael C Burger
- Dr. Senckenberg Institute of Neurooncology, Goethe University Hospital, Frankfurt, Germany
- DKTK Partner Site Frankfurt/Mainz, Frankfurt, Germany
| | - Patrick N Harter
- DKTK Partner Site Frankfurt/Mainz, Frankfurt, Germany
- Institute of Neurology (Edinger Institute), University Hospital and Medical Faculty, Goethe University, Frankfurt, Germany
| | - Miriam Ratliff
- DKTK CCU Neurooncology, DKFZ, Heidelberg, Germany
- Neurosurgery Clinic, University Hospital Mannheim, Mannheim, Germany
| | | | - Axel Benner
- Division of Biostatistics, DKFZ, Heidelberg, Germany
| | - Daniel Schrimpf
- Department of Neuropathology, Heidelberg University Medical Center, Heidelberg, Germany
- DKTK CCU Neuropathology, DKFZ, Heidelberg, Germany
| | - Jürgen Okun
- Metabolic Center Heidelberg, University Children's Hospital, Heidelberg, Germany
| | - Christel Herold-Mende
- Division of Experimental Neurosurgery, Department of Neurosurgery, Heidelberg University Medical Center, Heidelberg, Germany
| | - Sevin Turcan
- Max Eder Junior Group on Low Grade Gliomas, Heidelberg University Medical Center, Heidelberg, Germany
| | - Stefan Kaulfuss
- Research and Development, Pharmaceuticals, Bayer AG, Berlin, Germany
| | | | - Karen Bieback
- FlowCore Mannheim and Institute of Transfusion Medicine and Immunology, Mannheim, Germany
| | - Daniel P Cahill
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Karl H Plate
- DKTK Partner Site Frankfurt/Mainz, Frankfurt, Germany
- Institute of Neurology (Edinger Institute), University Hospital and Medical Faculty, Goethe University, Frankfurt, Germany
| | - Daniel Hänggi
- Neurosurgery Clinic, University Hospital Mannheim, Mannheim, Germany
| | | | - Mario L Suvà
- Broad Institute of Harvard and MIT and Department of Pathology and Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Barbara A Niemeyer
- Molecular Biophysics, Center for Integrative Physiology and Molecular Medicine, School of Medicine, Saarland University, Homburg, Germany
| | - Andreas von Deimling
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
- Department of Neuropathology, Heidelberg University Medical Center, Heidelberg, Germany
| | - Wolfgang Wick
- Department of Neurology, Heidelberg University Medical Center, Heidelberg, Germany
- National Center for Tumor Diseases Heidelberg, DKTK, Heidelberg, Germany
- DKTK CCU Neurooncology, DKFZ, Heidelberg, Germany
| | - Michael Platten
- German Cancer Consortium (DKTK) Clinical Cooperation Unit (CCU) Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center (DKFZ), Heidelberg, Germany.
- Department of Neurology, Heidelberg University Medical Center, Heidelberg, Germany.
- National Center for Tumor Diseases Heidelberg, DKTK, Heidelberg, Germany.
- Department of Neurology, University Hospital and Medical Faculty Mannheim, Mannheim, Germany.
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238
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Hövener J, Pravdivtsev AN, Kidd B, Bowers CR, Glöggler S, Kovtunov KV, Plaumann M, Katz‐Brull R, Buckenmaier K, Jerschow A, Reineri F, Theis T, Shchepin RV, Wagner S, Bhattacharya P, Zacharias NM, Chekmenev EY. Parawasserstoff‐basierte Hyperpolarisierung für die Biomedizin. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201711842] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jan‐Bernd Hövener
- Sektion Biomedizinische Bildgebung, Molecular Imaging North Competence Center (MOIN CC) Klinik für Radiologie und Neuroradiologie Universitätsklinikum Schleswig-Holstein, Christian-Albrechts-Universität Kiel Am Botanischen Garten 14 24118 Kiel Deutschland
| | - Andrey N. Pravdivtsev
- Sektion Biomedizinische Bildgebung, Molecular Imaging North Competence Center (MOIN CC) Klinik für Radiologie und Neuroradiologie Universitätsklinikum Schleswig-Holstein, Christian-Albrechts-Universität Kiel Am Botanischen Garten 14 24118 Kiel Deutschland
| | - Bryce Kidd
- Department of Chemistry and Biochemistry Southern Illinois University Carbondale IL 62901 USA
| | - C. Russell Bowers
- Department of Chemistry University of Florida Gainesville FL 32611 USA
| | - Stefan Glöggler
- Max Planck-Institut für Biophysikalische Chemie Am Fassberg 11 37077 Göttingen Deutschland
- Center for Biostructural Imaging of Neurodegeneration Von-Siebold-Straße 3A 37075 Göttingen Deutschland
| | - Kirill V. Kovtunov
- International Tomography Center SB RAS 630090 Novosibirsk Russland
- Department of Natural Sciences Novosibirsk State University Pirogova St. 2 630090 Novosibirsk Russland
| | - Markus Plaumann
- Institut für Biometrie und Medizinische Informatik Otto-von-Guericke-Universität Magdeburg Leipziger Straße 44 39120 Magdeburg Deutschland
| | - Rachel Katz‐Brull
- Department of Radiology Hadassah-Hebrew University Medical Center Jerusalem Israel
| | - Kai Buckenmaier
- Magnetresonanz-Zentrum Max Planck-Institut für biologische Kybernetik Tübingen Deutschland
| | - Alexej Jerschow
- Department of Chemistry New York University 100 Washington Sq. East New York NY 10003 USA
| | - Francesca Reineri
- Department of Molecular Biotechnology and Health Sciences University of Torino via Nizza 52 Torino Italien
| | - Thomas Theis
- Department of Chemistry & Department of Physics Duke University Durham NC 27708 USA
| | - Roman V. Shchepin
- Vanderbilt University Institute of Imaging Science (VUIIS) Department of Radiology and Radiological Sciences 1161 21st Ave South, MCN AA-1105 Nashville TN 37027 USA
| | - Shawn Wagner
- Biomedical Imaging Research Institute Cedars Sinai Medical Center Los Angeles CA 90048 USA
| | - Pratip Bhattacharya
- Department of Cancer Systems Imaging University of Texas MD Anderson Cancer Center Houston TX 77030 USA
| | - Niki M. Zacharias
- Department of Cancer Systems Imaging University of Texas MD Anderson Cancer Center Houston TX 77030 USA
| | - Eduard Y. Chekmenev
- Vanderbilt University Institute of Imaging Science (VUIIS) Department of Radiology and Radiological Sciences 1161 21st Ave South, MCN AA-1105 Nashville TN 37027 USA
- Russian Academy of Sciences (RAS) Leninskiy Prospekt 14 Moscow 119991 Russland
- Department of Chemistry, Karmanos Cancer Institute (KCI) and Integrative Biosciences (Ibio) Wayne State University Detroit MI 48202 USA
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239
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Berghoff AS, Kiesel B, Widhalm G, Wilhelm D, Rajky O, Kurscheid S, Kresl P, Wöhrer A, Marosi C, Hegi ME, Preusser M. Correlation of immune phenotype with IDH mutation in diffuse glioma. Neuro Oncol 2018; 19:1460-1468. [PMID: 28531337 DOI: 10.1093/neuonc/nox054] [Citation(s) in RCA: 199] [Impact Index Per Article: 33.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Background Tumor infiltrating lymphocytes (TILs) and programmed death ligand 1 (PD-L1) are targets of immune checkpoint inhibitors. Methods Forty-three World Health Organization (WHO) grade II/III gliomas (39 IDH-mutant [mut], 4 IDH-wildtype [wt]) and 14 IDH-mut glioblastomas (GBM) were analyzed for TIL (CD3+; PD1+) infiltration and PD-L1 expression. Results were compared with the data of a previously published series of 117 IDH-wt glioblastomas. PD-L1 gene expression levels were evaluated in 677 diffuse gliomas grades II-IV from The Cancer Genome Atlas (TCGA) database. Results TIL and PD-L1 expression were observed in approximately half of WHO grade II/III gliomas. IDH-wt status was associated with significantly higher TIL infiltration and PD-L1 expression among all (grades II-IV) cases (n = 174, P < 0.001) and within the cohort of glioblastomas (n = 131, P < 0.001). In low-grade glioma (LGG) and glioblastoma cohorts of TCGA, significantly higher PD-L1 gene expression levels were evident in IDH-wt compared with IDH-mut samples (LGG: N = 516; P = 1.933e-11, GBM: N = 161; P < 0.009). Lower PD-L1 gene expression was associated with increased promoter methylation (Spearman correlation coefficient -0.36; P < 0.01) in the LGG cohort of TCGA. IDH-mut gliomas had higher PD-L1 gene promoter methylation levels than IDH-wt gliomas (P < 0.01). Conclusions The immunological tumor microenvironment of diffuse gliomas differs in association with IDH mutation status. IDH-wt gliomas display a more prominent TIL infiltration and higher PD-L1 expression than IDH-mut cases. Mechanistically this may be at least in part due to differential PD-L1 gene promoter methylation levels. Our findings may be relevant for immune modulatory treatment strategies in glioma patients.
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Affiliation(s)
- Anna Sophie Berghoff
- Institute of Neurology, Medical University of Vienna, Vienna, Austria; Department of Medicine I, Medical University of Vienna, Vienna, Austria; Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Neurosurgery, Medical University of Vienna, Vienna, Austria; Department of Genome Science, The John Curtin School of Medical Research, The Australian National University, Canberra, Australia; Laboratory of Brain Tumor Biology and Genetics, Service of Neurosurgery & Neuroscience Research Center, Lausanne University Hospital (CHUV), Lausanne, Switzerland
| | - Barbara Kiesel
- Institute of Neurology, Medical University of Vienna, Vienna, Austria; Department of Medicine I, Medical University of Vienna, Vienna, Austria; Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Neurosurgery, Medical University of Vienna, Vienna, Austria; Department of Genome Science, The John Curtin School of Medical Research, The Australian National University, Canberra, Australia; Laboratory of Brain Tumor Biology and Genetics, Service of Neurosurgery & Neuroscience Research Center, Lausanne University Hospital (CHUV), Lausanne, Switzerland
| | - Georg Widhalm
- Institute of Neurology, Medical University of Vienna, Vienna, Austria; Department of Medicine I, Medical University of Vienna, Vienna, Austria; Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Neurosurgery, Medical University of Vienna, Vienna, Austria; Department of Genome Science, The John Curtin School of Medical Research, The Australian National University, Canberra, Australia; Laboratory of Brain Tumor Biology and Genetics, Service of Neurosurgery & Neuroscience Research Center, Lausanne University Hospital (CHUV), Lausanne, Switzerland
| | - Dorothee Wilhelm
- Institute of Neurology, Medical University of Vienna, Vienna, Austria; Department of Medicine I, Medical University of Vienna, Vienna, Austria; Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Neurosurgery, Medical University of Vienna, Vienna, Austria; Department of Genome Science, The John Curtin School of Medical Research, The Australian National University, Canberra, Australia; Laboratory of Brain Tumor Biology and Genetics, Service of Neurosurgery & Neuroscience Research Center, Lausanne University Hospital (CHUV), Lausanne, Switzerland
| | - Orsolya Rajky
- Institute of Neurology, Medical University of Vienna, Vienna, Austria; Department of Medicine I, Medical University of Vienna, Vienna, Austria; Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Neurosurgery, Medical University of Vienna, Vienna, Austria; Department of Genome Science, The John Curtin School of Medical Research, The Australian National University, Canberra, Australia; Laboratory of Brain Tumor Biology and Genetics, Service of Neurosurgery & Neuroscience Research Center, Lausanne University Hospital (CHUV), Lausanne, Switzerland
| | - Sebastian Kurscheid
- Institute of Neurology, Medical University of Vienna, Vienna, Austria; Department of Medicine I, Medical University of Vienna, Vienna, Austria; Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Neurosurgery, Medical University of Vienna, Vienna, Austria; Department of Genome Science, The John Curtin School of Medical Research, The Australian National University, Canberra, Australia; Laboratory of Brain Tumor Biology and Genetics, Service of Neurosurgery & Neuroscience Research Center, Lausanne University Hospital (CHUV), Lausanne, Switzerland
| | - Philip Kresl
- Institute of Neurology, Medical University of Vienna, Vienna, Austria; Department of Medicine I, Medical University of Vienna, Vienna, Austria; Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Neurosurgery, Medical University of Vienna, Vienna, Austria; Department of Genome Science, The John Curtin School of Medical Research, The Australian National University, Canberra, Australia; Laboratory of Brain Tumor Biology and Genetics, Service of Neurosurgery & Neuroscience Research Center, Lausanne University Hospital (CHUV), Lausanne, Switzerland
| | - Adelheid Wöhrer
- Institute of Neurology, Medical University of Vienna, Vienna, Austria; Department of Medicine I, Medical University of Vienna, Vienna, Austria; Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Neurosurgery, Medical University of Vienna, Vienna, Austria; Department of Genome Science, The John Curtin School of Medical Research, The Australian National University, Canberra, Australia; Laboratory of Brain Tumor Biology and Genetics, Service of Neurosurgery & Neuroscience Research Center, Lausanne University Hospital (CHUV), Lausanne, Switzerland
| | - Christine Marosi
- Institute of Neurology, Medical University of Vienna, Vienna, Austria; Department of Medicine I, Medical University of Vienna, Vienna, Austria; Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Neurosurgery, Medical University of Vienna, Vienna, Austria; Department of Genome Science, The John Curtin School of Medical Research, The Australian National University, Canberra, Australia; Laboratory of Brain Tumor Biology and Genetics, Service of Neurosurgery & Neuroscience Research Center, Lausanne University Hospital (CHUV), Lausanne, Switzerland
| | - Monika E Hegi
- Institute of Neurology, Medical University of Vienna, Vienna, Austria; Department of Medicine I, Medical University of Vienna, Vienna, Austria; Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Neurosurgery, Medical University of Vienna, Vienna, Austria; Department of Genome Science, The John Curtin School of Medical Research, The Australian National University, Canberra, Australia; Laboratory of Brain Tumor Biology and Genetics, Service of Neurosurgery & Neuroscience Research Center, Lausanne University Hospital (CHUV), Lausanne, Switzerland
| | - Matthias Preusser
- Institute of Neurology, Medical University of Vienna, Vienna, Austria; Department of Medicine I, Medical University of Vienna, Vienna, Austria; Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Neurosurgery, Medical University of Vienna, Vienna, Austria; Department of Genome Science, The John Curtin School of Medical Research, The Australian National University, Canberra, Australia; Laboratory of Brain Tumor Biology and Genetics, Service of Neurosurgery & Neuroscience Research Center, Lausanne University Hospital (CHUV), Lausanne, Switzerland
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Xi J, Li A, Wang M. A novel unsupervised learning model for detecting driver genes from pan-cancer data through matrix tri-factorization framework with pairwise similarities constraints. Neurocomputing 2018. [DOI: 10.1016/j.neucom.2018.03.026] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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241
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Mukherjee J, Johannessen TC, Ohba S, Chow TT, Jones L, Pandita A, Pieper RO. Mutant IDH1 Cooperates with ATRX Loss to Drive the Alternative Lengthening of Telomere Phenotype in Glioma. Cancer Res 2018; 78:2966-2977. [PMID: 29545335 PMCID: PMC10578296 DOI: 10.1158/0008-5472.can-17-2269] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Revised: 12/04/2017] [Accepted: 03/12/2018] [Indexed: 11/16/2022]
Abstract
A subset of tumors use a recombination-based alternative lengthening of telomere (ALT) pathway to resolve telomeric dysfunction in the absence of TERT. Loss-of-function mutations in the chromatin remodeling factor ATRX are associated with ALT but are insufficient to drive the process. Because many ALT tumors express the mutant isocitrate dehydrogenase IDH1 R132H, including all lower grade astrocytomas and secondary glioblastoma, we examined a hypothesized role for IDH1 R132H in driving the ALT phenotype during gliomagenesis. In p53/pRb-deficient human astrocytes, combined deletion of ATRX and expression of mutant IDH1 were sufficient to create tumorigenic cells with ALT characteristics. The telomere capping complex component RAP1 and the nonhomologous DNA end joining repair factor XRCC1 were each downregulated consistently in these tumorigenic cells, where their coordinate reexpression was sufficient to suppress the ALT phenotype. RAP1 or XRCC1 downregulation cooperated with ATRX loss in driving the ALT phenotype. RAP1 silencing caused telomere dysfunction in ATRX-deficient cells, whereas XRCC1 silencing suppressed lethal fusion of dysfunctional telomeres by allowing IDH1-mutant ATRX-deficient cells to use homologous recombination and ALT to resolve telomeric dysfunction and escape cell death. Overall, our studies show how expression of mutant IDH1 initiates telomeric dysfunction and alters DNA repair pathway preferences at telomeres, cooperating with ATRX loss to defeat a key barrier to gliomagenesis.Significance: Studies show how expression of mutant IDH1 initiates telomeric dysfunction and alters DNA repair pathway preferences at telomeres, cooperating with ATRX loss to defeat a key barrier to gliomagenesis and suggesting new therapeutic options to treat low-grade gliomas. Cancer Res; 78(11); 2966-77. ©2018 AACR.
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Affiliation(s)
- Joydeep Mukherjee
- Department of Neurological Surgery, University of California, San Francisco, San Francisco, California
| | - Tor-Christian Johannessen
- The Kristian Gerhard Jebsen Brain Tumor Research Centre, Department of Biomedicine, University of Bergen, Bergen, Norway
| | - Shigeo Ohba
- Department of Neurosurgery, Fujita Health University, Toyoake, Aichi, Japan
| | - Tracy T Chow
- Department of Biochemistry and Biophysics, University of California, San Francisco, San Francisco, California
| | - Lindsey Jones
- Department of Neurological Surgery, University of California, San Francisco, San Francisco, California
| | | | - Russell O Pieper
- Department of Neurological Surgery, University of California, San Francisco, San Francisco, California.
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Ma T, Zou F, Pusch S, Xu Y, von Deimling A, Zha X. Inhibitors of Mutant Isocitrate Dehydrogenases 1 and 2 (mIDH1/2): An Update and Perspective. J Med Chem 2018; 61:8981-9003. [DOI: 10.1021/acs.jmedchem.8b00159] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Tianfang Ma
- Department of Pharmaceutical Engineering and Department of Biochemical Engineering, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, P. R. China
- Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, P. R. China
| | - Fangxia Zou
- Department of Pharmaceutical Engineering and Department of Biochemical Engineering, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, P. R. China
- Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, P. R. China
| | - Stefan Pusch
- German Consortium
of Translational Cancer Research (DKTK), Clinical Cooperation Unit
Neuropathology, German Cancer Research Center (DKFZ), INF 280, Heidelberg D-69120, Germany
- Department of Neuropathology, Institute of Pathology, Ruprecht-Karls-Universität Heidelberg, INF 224, Heidelberg D-69120, Germany
| | - Yungen Xu
- Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, P. R. China
| | - Andreas von Deimling
- German Consortium
of Translational Cancer Research (DKTK), Clinical Cooperation Unit
Neuropathology, German Cancer Research Center (DKFZ), INF 280, Heidelberg D-69120, Germany
- Department of Neuropathology, Institute of Pathology, Ruprecht-Karls-Universität Heidelberg, INF 224, Heidelberg D-69120, Germany
| | - Xiaoming Zha
- Department of Pharmaceutical Engineering and Department of Biochemical Engineering, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, P. R. China
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Viswanath P, Radoul M, Izquierdo-Garcia JL, Ong WQ, Luchman HA, Cairncross JG, Huang B, Pieper RO, Phillips JJ, Ronen SM. 2-Hydroxyglutarate-Mediated Autophagy of the Endoplasmic Reticulum Leads to an Unusual Downregulation of Phospholipid Biosynthesis in Mutant IDH1 Gliomas. Cancer Res 2018; 78:2290-2304. [PMID: 29358170 PMCID: PMC5932252 DOI: 10.1158/0008-5472.can-17-2926] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Revised: 12/08/2017] [Accepted: 01/17/2018] [Indexed: 12/17/2022]
Abstract
Tumor metabolism is reprogrammed to meet the demands of proliferating cancer cells. In particular, cancer cells upregulate synthesis of the membrane phospholipids phosphatidylcholine (PtdCho) and phosphatidylethanolamine (PtdE) in order to allow for rapid membrane turnover. Nonetheless, we show here that, in mutant isocitrate dehydrogenase 1 (IDHmut) gliomas, which produce the oncometabolite 2-hydroxyglutarate (2-HG), PtdCho and PtdE biosynthesis is downregulated and results in lower levels of both phospholipids when compared with wild-type IDH1 cells. 2-HG inhibited collagen-4-prolyl hydroxylase activity, leading to accumulation of misfolded procollagen-IV in the endoplasmic reticulum (ER) of both genetically engineered and patient-derived IDHmut glioma models. The resulting ER stress triggered increased expression of FAM134b, which mediated autophagic degradation of the ER (ER-phagy) and a reduction in the ER area. Because the ER is the site of phospholipid synthesis, ER-phagy led to reduced PtdCho and PtdE biosynthesis. Inhibition of ER-phagy via pharmacological or molecular approaches restored phospholipid biosynthesis in IDHmut glioma cells, triggered apoptotic cell death, inhibited tumor growth, and prolonged the survival of orthotopic IDHmut glioma-bearing mice, pointing to a potential therapeutic opportunity. Glioma patient biopsies also exhibited increased ER-phagy and downregulation of PtdCho and PtdE levels in IDHmut samples compared with wild-type, clinically validating our observations. Collectively, this study provides detailed and clinically relevant insights into the functional link between oncometabolite-driven ER-phagy and phospholipid biosynthesis in IDHmut gliomas.Significance: Downregulation of phospholipid biosynthesis via ER-phagy is essential for proliferation and clonogenicity of mutant IDH1 gliomas, a finding with immediate therapeutic implications. Cancer Res; 78(9); 2290-304. ©2018 AACR.
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Affiliation(s)
- Pavithra Viswanath
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California
| | - Marina Radoul
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California
| | - Jose Luis Izquierdo-Garcia
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
- CIBER de Enfermedades Respiratorias (CIBERES), Madrid, Spain
| | - Wei Qiang Ong
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, California
| | - Hema Artee Luchman
- Department of Cell Biology and Anatomy and Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada
| | - J Gregory Cairncross
- Department of Clinical Neurosciences and Southern Alberta Cancer Research Institute, University of Calgary, Calgary, Alberta, Canada
| | - Bo Huang
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, California
| | - Russell O Pieper
- Department of Neurological Surgery, Helen Diller Research Center, University of California San Francisco, San Francisco, California
| | - Joanna J Phillips
- Department of Neurological Surgery, Helen Diller Research Center, University of California San Francisco, San Francisco, California
| | - Sabrina M Ronen
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California.
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Ippen FM, Colman H, van den Bent MJ, Brastianos PK. Precision Medicine for Primary Central Nervous System Tumors: Are We There Yet? Am Soc Clin Oncol Educ Book 2018; 38:158-167. [PMID: 30231322 DOI: 10.1200/edbk_199247] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
In recent years, technologic advances have increased tremendously our understanding of the molecular characteristics and genetic drivers of a variety of brain tumors. These discoveries have led to paradigm shifts in the treatment of these tumor entities and may therefore have a considerable impact on the outcome of affected patients in the near future. Here, we provide a broad overview of recently discovered clinically actionable mutations that have been identified in three different primary brain tumors: gliomas, meningiomas, and craniopharyngiomas. We furthermore highlight the diagnostic and therapeutic implications of these findings and summarize recently published and ongoing trials.
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Affiliation(s)
- Franziska Maria Ippen
- From the Massachusetts General Hospital, Harvard Medical School, Boston, MA; Departments of Neurosurgery, Neurology, and Internal Medicine (Oncology), Huntsman Cancer Institute, University of Utah, Salt Lake City, UT; Department of Neurology, The Brain Tumor Center at Erasmus MC Cancer Institute, Rotterdam, Netherlands; Division of Neuro-Oncology, Stephen E. and Catherine Pappas Center for Neuro-Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Howard Colman
- From the Massachusetts General Hospital, Harvard Medical School, Boston, MA; Departments of Neurosurgery, Neurology, and Internal Medicine (Oncology), Huntsman Cancer Institute, University of Utah, Salt Lake City, UT; Department of Neurology, The Brain Tumor Center at Erasmus MC Cancer Institute, Rotterdam, Netherlands; Division of Neuro-Oncology, Stephen E. and Catherine Pappas Center for Neuro-Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Martin J. van den Bent
- From the Massachusetts General Hospital, Harvard Medical School, Boston, MA; Departments of Neurosurgery, Neurology, and Internal Medicine (Oncology), Huntsman Cancer Institute, University of Utah, Salt Lake City, UT; Department of Neurology, The Brain Tumor Center at Erasmus MC Cancer Institute, Rotterdam, Netherlands; Division of Neuro-Oncology, Stephen E. and Catherine Pappas Center for Neuro-Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Priscilla Kaliopi Brastianos
- From the Massachusetts General Hospital, Harvard Medical School, Boston, MA; Departments of Neurosurgery, Neurology, and Internal Medicine (Oncology), Huntsman Cancer Institute, University of Utah, Salt Lake City, UT; Department of Neurology, The Brain Tumor Center at Erasmus MC Cancer Institute, Rotterdam, Netherlands; Division of Neuro-Oncology, Stephen E. and Catherine Pappas Center for Neuro-Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA
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245
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Garrett M, Sperry J, Braas D, Yan W, Le TM, Mottahedeh J, Ludwig K, Eskin A, Qin Y, Levy R, Breunig JJ, Pajonk F, Graeber TG, Radu CG, Christofk H, Prins RM, Lai A, Liau LM, Coppola G, Kornblum HI. Metabolic characterization of isocitrate dehydrogenase (IDH) mutant and IDH wildtype gliomaspheres uncovers cell type-specific vulnerabilities. Cancer Metab 2018; 6:4. [PMID: 29692895 PMCID: PMC5905129 DOI: 10.1186/s40170-018-0177-4] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Accepted: 02/21/2018] [Indexed: 11/10/2022] Open
Abstract
Background There is considerable interest in defining the metabolic abnormalities of IDH mutant tumors to exploit for therapy. While most studies have attempted to discern function by using cell lines transduced with exogenous IDH mutant enzyme, in this study, we perform unbiased metabolomics to discover metabolic differences between a cohort of patient-derived IDH1 mutant and IDH wildtype gliomaspheres. Methods Using both our own microarray and the TCGA datasets, we performed KEGG analysis to define pathways differentially enriched in IDH1 mutant and IDH wildtype cells and tumors. Liquid chromatography coupled to mass spectrometry analysis with labeled glucose and deoxycytidine tracers was used to determine differences in overall cellular metabolism and nucleotide synthesis. Radiation-induced DNA damage and repair capacity was assessed using a comet assay. Differences between endogenous IDH1 mutant metabolism and that of IDH wildtype cells transduced with the IDH1 (R132H) mutation were also investigated. Results Our KEGG analysis revealed that IDH wildtype cells were enriched for pathways involved in de novo nucleotide synthesis, while IDH1 mutant cells were enriched for pathways involved in DNA repair. LC-MS analysis with fully labeled 13C-glucose revealed distinct labeling patterns between IDH1 mutant and wildtype cells. Additional LC-MS tracing experiments confirmed increased de novo nucleotide synthesis in IDH wildtype cells relative to IDH1 mutant cells. Endogenous IDH1 mutant cultures incurred less DNA damage than IDH wildtype cultures and sustained better overall growth following X-ray radiation. Overexpression of mutant IDH1 in a wildtype line did not reproduce the range of metabolic differences observed in lines expressing endogenous mutations, but resulted in depletion of glutamine and TCA cycle intermediates, an increase in DNA damage following radiation, and a rise in intracellular ROS. Conclusions These results demonstrate that IDH1 mutant and IDH wildtype cells are easily distinguishable metabolically by analyzing expression profiles and glucose consumption. Our results also highlight important differences in nucleotide synthesis utilization and DNA repair capacity that could be exploited for therapy. Altogether, this study demonstrates that IDH1 mutant gliomas are a distinct subclass of glioma with a less malignant, but also therapy-resistant, metabolic profile that will likely require distinct modes of therapy.
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Affiliation(s)
- Matthew Garrett
- 1Department of Neurosurgery, and the Interdepartmental Program in the Neurosciences, University of California, Los Angeles, CA 90095 USA
| | - Jantzen Sperry
- 2Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA
| | - Daniel Braas
- 2Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA.,3UCLA Metabolomics Center, UCLA, Los Angeles, USA
| | - Weihong Yan
- 4Department of Chemistry and Biochemistry, UCLA, Los Angeles, USA
| | - Thuc M Le
- 2Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA.,5Ahmanson Translational Imaging Division, UCLA, Los Angeles, USA
| | - Jack Mottahedeh
- 6Department of Psychiatry and Biobehavioral Sciences and Semel Institute for Neuroscience & Human Behavior, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA
| | - Kirsten Ludwig
- 6Department of Psychiatry and Biobehavioral Sciences and Semel Institute for Neuroscience & Human Behavior, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA
| | - Ascia Eskin
- 7Department of Human Genetics, UCLA, Los Angeles, USA
| | - Yue Qin
- 6Department of Psychiatry and Biobehavioral Sciences and Semel Institute for Neuroscience & Human Behavior, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA
| | - Rachelle Levy
- 8Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, CA USA
| | - Joshua J Breunig
- 8Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, CA USA.,9Samuel Oschin Comprehensive Cancer Center, Cedars-Sinai Medical Center, Los Angeles, CA USA.,10Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA USA
| | - Frank Pajonk
- 11Department of Radiation Oncology, David Geffen School of Medicine at UCLA, Los Angeles, USA.,12Jonsson Comprehensive Cancer Center, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA
| | - Thomas G Graeber
- 2Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA.,3UCLA Metabolomics Center, UCLA, Los Angeles, USA.,12Jonsson Comprehensive Cancer Center, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA
| | - Caius G Radu
- 2Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA.,5Ahmanson Translational Imaging Division, UCLA, Los Angeles, USA.,12Jonsson Comprehensive Cancer Center, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA
| | - Heather Christofk
- 2Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA.,3UCLA Metabolomics Center, UCLA, Los Angeles, USA.,12Jonsson Comprehensive Cancer Center, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA.,14Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA
| | - Robert M Prins
- 1Department of Neurosurgery, and the Interdepartmental Program in the Neurosciences, University of California, Los Angeles, CA 90095 USA.,2Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA.,12Jonsson Comprehensive Cancer Center, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA
| | - Albert Lai
- 12Jonsson Comprehensive Cancer Center, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA.,13Department of Neurology, UCLA, Los Angeles, USA
| | - Linda M Liau
- 1Department of Neurosurgery, and the Interdepartmental Program in the Neurosciences, University of California, Los Angeles, CA 90095 USA.,12Jonsson Comprehensive Cancer Center, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA
| | - Giovanni Coppola
- 6Department of Psychiatry and Biobehavioral Sciences and Semel Institute for Neuroscience & Human Behavior, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA.,13Department of Neurology, UCLA, Los Angeles, USA
| | - Harley I Kornblum
- 2Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA.,6Department of Psychiatry and Biobehavioral Sciences and Semel Institute for Neuroscience & Human Behavior, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA.,12Jonsson Comprehensive Cancer Center, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA.,14Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research, UCLA, Room 379 Neuroscience Research Building, 635 Charles E. Young Dr. South, Los Angeles, CA 90095 USA
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Andronesi OC, Arrillaga-Romany IC, Ly KI, Bogner W, Ratai EM, Reitz K, Iafrate AJ, Dietrich J, Gerstner ER, Chi AS, Rosen BR, Wen PY, Cahill DP, Batchelor TT. Pharmacodynamics of mutant-IDH1 inhibitors in glioma patients probed by in vivo 3D MRS imaging of 2-hydroxyglutarate. Nat Commun 2018; 9:1474. [PMID: 29662077 PMCID: PMC5902553 DOI: 10.1038/s41467-018-03905-6] [Citation(s) in RCA: 94] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2017] [Accepted: 03/21/2018] [Indexed: 12/27/2022] Open
Abstract
Inhibitors of the mutant isocitrate dehydrogenase 1 (IDH1) entered recently in clinical trials for glioma treatment. Mutant IDH1 produces high levels of 2-hydroxyglurate (2HG), thought to initiate oncogenesis through epigenetic modifications of gene expression. In this study, we show the initial evidence of the pharmacodynamics of a new mutant IDH1 inhibitor in glioma patients, using non-invasive 3D MR spectroscopic imaging of 2HG. Our results from a Phase 1 clinical trial indicate a rapid decrease of 2HG levels by 70% (CI 13%, P = 0.019) after 1 week of treatment. Importantly, inhibition of mutant IDH1 may lead to the reprogramming of tumor metabolism, suggested by simultaneous changes in glutathione, glutamine, glutamate, and lactate. An inverse correlation between metabolic changes and diffusion MRI indicates an effect on the tumor-cell density. We demonstrate a feasible radiopharmacodynamics approach to support the rapid clinical translation of rationally designed drugs targeting IDH1/2 mutations for personalized and precision medicine of glioma patients.
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Affiliation(s)
- Ovidiu C Andronesi
- Department of Radiology, Massachusetts General Hospital, Athinoula A. Martinos Center for Biomedical Imaging, Harvard Medical School, Boston, MA, 02129, USA.
| | - Isabel C Arrillaga-Romany
- Department of Neurology, Massachusetts General Hospital, Stephen E. and Catherine Pappas Center for Neuro-Oncology, Division of Hematology/Oncology, Harvard Medical School, Boston, MA, 02114, USA
| | - K Ina Ly
- Department of Neurology, Massachusetts General Hospital, Stephen E. and Catherine Pappas Center for Neuro-Oncology, Division of Hematology/Oncology, Harvard Medical School, Boston, MA, 02114, USA
| | - Wolfgang Bogner
- Department of Biomedical Imaging and Image-guided Therapy, High Field MR Centre, Medical University of Vienna, Vienna, 1090, Austria
| | - Eva M Ratai
- Department of Radiology, Massachusetts General Hospital, Athinoula A. Martinos Center for Biomedical Imaging, Harvard Medical School, Boston, MA, 02129, USA
| | - Kara Reitz
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - A John Iafrate
- Department of Pathology, Massachusetts General Hospital, Center for Integrated Diagnostics, Harvard Medical School, Boston, MA, 02114, USA
| | - Jorg Dietrich
- Department of Neurology, Massachusetts General Hospital, Stephen E. and Catherine Pappas Center for Neuro-Oncology, Division of Hematology/Oncology, Harvard Medical School, Boston, MA, 02114, USA
| | - Elizabeth R Gerstner
- Department of Neurology, Massachusetts General Hospital, Stephen E. and Catherine Pappas Center for Neuro-Oncology, Division of Hematology/Oncology, Harvard Medical School, Boston, MA, 02114, USA
| | - Andrew S Chi
- Brain Tumor Center, Laura and Isaac Perlmutter Cancer Center, New York University Langone Medical Center and School of Medicine, New York, NY, 10016, USA
| | - Bruce R Rosen
- Department of Radiology, Massachusetts General Hospital, Athinoula A. Martinos Center for Biomedical Imaging, Harvard Medical School, Boston, MA, 02129, USA
| | - Patrick Y Wen
- Dana-Farber Cancer Institute, Boston, MA, 02284, USA
| | - Daniel P Cahill
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Tracy T Batchelor
- Department of Neurology, Massachusetts General Hospital, Stephen E. and Catherine Pappas Center for Neuro-Oncology, Division of Hematology/Oncology, Harvard Medical School, Boston, MA, 02114, USA
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Pang Y, Lu Y, Caisova V, Liu Y, Bullova P, Huynh TT, Zhou Y, Yu D, Frysak Z, Hartmann I, Taïeb D, Pacak K, Yang C. Targeting NAD +/PARP DNA Repair Pathway as a Novel Therapeutic Approach to SDHB-Mutated Cluster I Pheochromocytoma and Paraganglioma. Clin Cancer Res 2018; 24:3423-3432. [PMID: 29636359 DOI: 10.1158/1078-0432.ccr-17-3406] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Revised: 02/23/2018] [Accepted: 04/03/2018] [Indexed: 01/18/2023]
Abstract
Purpose: Cluster I pheochromocytomas and paragangliomas (PCPGs) tend to develop malignant transformation, tumor recurrence, and multiplicity. Transcriptomic profiling suggests that cluster I PCPGs and other related tumors exhibit distinctive changes in the tricarboxylic acid (TCA) cycle, the hypoxia signaling pathway, mitochondrial electron transport chain, and methylation status, suggesting that therapeutic regimen might be optimized by targeting these signature molecular pathways.Experimental Design: In the present study, we investigated the molecular signatures in clinical specimens from cluster I PCPGs in comparison with cluster II PCPGs that are related to kinase signaling and often present as benign tumors.Results: We found that cluster I PCPGs develop a dependency to mitochondrial complex I, evidenced by the upregulation of complex I components and enhanced NADH dehydrogenation. Alteration in mitochondrial function resulted in strengthened NAD+ metabolism, here considered as a key mechanism of chemoresistance, particularly, of succinate dehydrogenase subunit B (SDHB)-mutated cluster I PCPGs via the PARP1/BER DNA repair pathway. Combining a PARP inhibitor with temozolomide, a conventional chemotherapeutic agent, not only improved cytotoxicity but also reduced metastatic lesions, with prolonged overall survival of mice with SDHB knockdown PCPG allograft.Conclusions: In summary, our findings provide novel insights into an effective strategy for targeting cluster I PCPGs, especially those with SDHB mutations. Clin Cancer Res; 24(14); 3423-32. ©2018 AACR.
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Affiliation(s)
- Ying Pang
- Section on Medical Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland
| | - Yanxin Lu
- Neuro-Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland.,Basic Medical Science Department, Zunyi Medical College-Zhuhai Campus, Zhuhai, Guangdong, P.R. China
| | - Veronika Caisova
- Section on Medical Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland.,Department of Medical Biology, Faculty of Science, University of South Bohemia, Ceske 19 Budejovice, Czech Republic
| | - Yang Liu
- Neuro-Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland
| | - Petra Bullova
- Section on Medical Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland.,Department of Molecular Medicine, Institute of Virology, Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Thanh-Truc Huynh
- Section on Medical Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland
| | - Yiqiang Zhou
- Neuro-Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland
| | - Di Yu
- Neuro-Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland.,CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, P.R. China
| | - Zdenek Frysak
- 3rd Department of Internal Medicine, University Hospital and Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Igor Hartmann
- Department of Urology, University Hospital Olomouc and Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - David Taïeb
- Department of Nuclear Medicine, La Timone University Hospital, Centre Européen de Rechercheen Imagerie Médicale, Aix-Marseille University, Marseille, France
| | - Karel Pacak
- Section on Medical Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland.
| | - Chunzhang Yang
- Neuro-Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland.
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248
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Association between mutant IDHs and tumorigenesis in gliomas. Med Mol Morphol 2018; 51:194-198. [PMID: 29633022 DOI: 10.1007/s00795-018-0189-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2018] [Accepted: 04/02/2018] [Indexed: 01/14/2023]
Abstract
To become immortalized, cells need to maintain the telomere length via the activation of telomerase or alternative lengthening of telomere. Mutations in IDH1/2 are strongly associated with the early stage of gliomagenesis. Previous work has shown that the accumulation of 2-HG, which is induced by mutant IDH1/2, inhibits α-KG-dependent deoxygenase and leads to genome-wide histone and DNA methylation alterations. These alterations are believed to contribute to tumorigenesis. H-Ras can transform human astrocytes with the inactivation of p53/pRb and expression of hTERT; however, mutant IDH1 can also transform cells. Moreover, mutant IDH1 can drive the immortalization and transformation of p53-/pRb-deficient astrocytes by reactivating telomerase and stabilizing telomeres in combination with increased histone lysine methylation and c-Myc/Max binding at the TERT promoter. It remains unclear whether mutant IDH1/2 acts only as the initial driver of gliomagenesis or it maintains transformed cells. Clinical studies are being performed to assess the use of mutant IDH1/2 inhibitors for treating gliomas.
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249
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Lu Y, Liu Y, Pang Y, Pacak K, Yang C. Double-barreled gun: Combination of PARP inhibitor with conventional chemotherapy. Pharmacol Ther 2018; 188:168-175. [PMID: 29621593 DOI: 10.1016/j.pharmthera.2018.03.006] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
DNA repair pathways are evolutionarily conserved molecular mechanisms that maintain the integrity of genomic DNA. In cancer therapies, the integrity and activity of DNA repair pathways predict therapy resistance and disease outcome. Members of the poly (ADP-ribose) polymerase (PARP) family initiate and organize the biologic process of DNA repair, which counteracts many types of chemotherapies. Since the first development in approximately 3 decades ago, PARP inhibitors have greatly changed the concept of cancer therapy, leading to encouraging improvements in tumor suppression and disease outcomes. Here we summaries both pre-clinical and clinical findings of PARP inhibitors applications, particularly for combination therapies.
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Affiliation(s)
- Yanxin Lu
- Neuro-Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892, USA; Basic Medical Science Department, Zunyi Medical College-Zhuhai Campus, Zhuhai, Guangdong 519041, PR China
| | - Yang Liu
- Neuro-Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892, USA
| | - Ying Pang
- Section on Medical Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA
| | - Karel Pacak
- Section on Medical Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA
| | - Chunzhang Yang
- Neuro-Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892, USA.
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250
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Ohanna M, Cerezo M, Nottet N, Bille K, Didier R, Beranger G, Mograbi B, Rocchi S, Yvan-Charvet L, Ballotti R, Bertolotto C. Pivotal role of NAMPT in the switch of melanoma cells toward an invasive and drug-resistant phenotype. Genes Dev 2018; 32:448-461. [PMID: 29567766 PMCID: PMC5900716 DOI: 10.1101/gad.305854.117] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Accepted: 03/05/2018] [Indexed: 12/19/2022]
Abstract
In BRAFV600E melanoma cells, a global metabolomic analysis discloses a decrease in nicotinamide adenine dinucleotide (NAD+) levels upon PLX4032 treatment that is conveyed by a STAT5 inhibition and a transcriptional regulation of the nicotinamide phosphoribosyltransferase (NAMPT) gene. NAMPT inhibition decreases melanoma cell proliferation both in vitro and in vivo, while forced NAMPT expression renders melanoma cells resistant to PLX4032. NAMPT expression induces transcriptomic and epigenetic reshufflings that steer melanoma cells toward an invasive phenotype associated with resistance to targeted therapies and immunotherapies. Therefore, NAMPT, the key enzyme in the NAD+ salvage pathway, appears as a rational target in targeted therapy-resistant melanoma cells and a key player in phenotypic plasticity of melanoma cells.
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Affiliation(s)
- Mickaël Ohanna
- U1065, Institut National de la Santé et de la Recherche Médicale (INSERM), Biology and Pathologies of Melanocytes, Equipe Labellisée L'Association pour la Recherche sur le Cancer (ARC) 2015, Université Nice Côte d'Azur, INSERM, Centre Méditerranéen de Médecine Moléculaire (C3M), 06204 Nice, France
| | - Mickaël Cerezo
- U1065, Institut National de la Santé et de la Recherche Médicale (INSERM), Biology and Pathologies of Melanocytes, Equipe Labellisée L'Association pour la Recherche sur le Cancer (ARC) 2015, Université Nice Côte d'Azur, INSERM, Centre Méditerranéen de Médecine Moléculaire (C3M), 06204 Nice, France
| | - Nicolas Nottet
- Université Nice Côte d'Azur, INSERM, C3M, 06204 Nice, France
| | - Karine Bille
- U1065, Institut National de la Santé et de la Recherche Médicale (INSERM), Biology and Pathologies of Melanocytes, Equipe Labellisée L'Association pour la Recherche sur le Cancer (ARC) 2015, Université Nice Côte d'Azur, INSERM, Centre Méditerranéen de Médecine Moléculaire (C3M), 06204 Nice, France
| | - Robin Didier
- U1065, Institut National de la Santé et de la Recherche Médicale (INSERM), Biology and Pathologies of Melanocytes, Equipe Labellisée L'Association pour la Recherche sur le Cancer (ARC) 2015, Université Nice Côte d'Azur, INSERM, Centre Méditerranéen de Médecine Moléculaire (C3M), 06204 Nice, France
| | - Guillaume Beranger
- U1065, Institut National de la Santé et de la Recherche Médicale (INSERM), Biology and Pathologies of Melanocytes, Equipe Labellisée L'Association pour la Recherche sur le Cancer (ARC) 2015, Université Nice Côte d'Azur, INSERM, Centre Méditerranéen de Médecine Moléculaire (C3M), 06204 Nice, France
| | - Baharia Mograbi
- U1081, INSERM, Institute of Research on Cancer and Ageing of Nice (IRCAN), Equipe Labellisée ARC, Université Nice Côte d'Azur, UMR7284, Centre National de la Recherche Scientifique (CNRS), 06107 Nice, France
| | - Stéphane Rocchi
- U1065, Institut National de la Santé et de la Recherche Médicale (INSERM), Biology and Pathologies of Melanocytes, Equipe Labellisée L'Association pour la Recherche sur le Cancer (ARC) 2015, Université Nice Côte d'Azur, INSERM, Centre Méditerranéen de Médecine Moléculaire (C3M), 06204 Nice, France
| | - Laurent Yvan-Charvet
- U1065, INSERM, Team ATIP-Avenir, Université Nice Côte d'Azur, INSERM, C3M, 06204 Nice, France
| | - Robert Ballotti
- U1065, Institut National de la Santé et de la Recherche Médicale (INSERM), Biology and Pathologies of Melanocytes, Equipe Labellisée L'Association pour la Recherche sur le Cancer (ARC) 2015, Université Nice Côte d'Azur, INSERM, Centre Méditerranéen de Médecine Moléculaire (C3M), 06204 Nice, France
| | - Corine Bertolotto
- U1065, Institut National de la Santé et de la Recherche Médicale (INSERM), Biology and Pathologies of Melanocytes, Equipe Labellisée L'Association pour la Recherche sur le Cancer (ARC) 2015, Université Nice Côte d'Azur, INSERM, Centre Méditerranéen de Médecine Moléculaire (C3M), 06204 Nice, France
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