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Tobochnik S, Regan MS, Dorotan MKC, Reich D, Lapinskas E, Hossain MA, Stopka S, Santagata S, Murphy MM, Arnaout O, Bi WL, Antonio Chiocca E, Golby AJ, Mooney MA, Smith TR, Ligon KL, Wen PY, Agar NYR, Lee JW. Pilot trial of perampanel on peritumoral hyperexcitability and clinical outcomes in newly diagnosed high-grade glioma. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2024.04.11.24305666. [PMID: 38645003 PMCID: PMC11030478 DOI: 10.1101/2024.04.11.24305666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/23/2024]
Abstract
Background Glutamatergic neuron-glioma synaptogenesis and peritumoral hyperexcitability promote glioma growth in a positive feedback loop. The objective of this study was to evaluate the feasibility and estimated effect sizes of the AMPA-R antagonist, perampanel, on intraoperative electrophysiologic hyperexcitability and clinical outcomes. Methods An open-label trial was performed comparing perampanel to standard of care (SOC) in patients undergoing resection of newly-diagnosed radiologic high-grade glioma. Perampanel was administered as a pre-operative loading dose followed by maintenance therapy until progressive disease or up to 12-months. SOC treatment involved levetiracetam for 7-days or as clinically indicated. The primary outcome of hyperexcitability was defined by intra-operative electrocorticography high frequency oscillation (HFO) rates. Seizure-freedom and overall survival (OS) were estimated by the Kaplan-Meier method. Tissue concentrations of perampanel, levetiracetam, and metabolites were measured by mass spectrometry. Results HFO rates were similar between perampanel-treated and SOC cohorts. The trial was terminated early after interim analysis for futility, and outcomes assessed in 11 patients (7 perampanel-treated, 4 SOC). Over a median 281 days of post-enrollment follow-up, 27% of patients had seizures, including 14% treated with perampanel and 50% treated with SOC. OS in perampanel-treated patients was similar to a glioblastoma reference cohort (p=0.81). Glutamate concentrations in surface biopsies were positively correlated with HFO rates in adjacent electrode contacts and were not significantly associated with treatment assignment or drug concentrations. Conclusions A peri-operative loading regimen of perampanel was safe and well-tolerated, with similar peritumoral hyperexcitability as in levetiracetam-treated patients. Maintenance anti-glutamatergic therapy was not observed to impact survival outcomes.
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Affiliation(s)
- Steven Tobochnik
- Department of Neurology, Brigham and Women’s Hospital, Boston, MA, USA
- Department of Neurology, VA Boston Healthcare System, Boston, MA, USA
| | - Michael S. Regan
- Department of Neurosurgery, Brigham and Women’s Hospital, Boston, MA, USA
| | | | | | - Emily Lapinskas
- Department of Neurology, Brigham and Women’s Hospital, Boston, MA, USA
| | - Md Amin Hossain
- Department of Neurosurgery, Brigham and Women’s Hospital, Boston, MA, USA
| | - Sylwia Stopka
- Department of Neurosurgery, Brigham and Women’s Hospital, Boston, MA, USA
| | - Sandro Santagata
- Department of Pathology, Brigham and Women’s Hospital, Boston, MA, USA
- Department of Pathology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Melissa M. Murphy
- Department of Neurology, Brigham and Women’s Hospital, Boston, MA, USA
| | - Omar Arnaout
- Department of Neurosurgery, Brigham and Women’s Hospital, Boston, MA, USA
| | - Wenya Linda Bi
- Department of Neurosurgery, Brigham and Women’s Hospital, Boston, MA, USA
| | - E. Antonio Chiocca
- Department of Neurosurgery, Brigham and Women’s Hospital, Boston, MA, USA
| | - Alexandra J. Golby
- Department of Neurosurgery, Brigham and Women’s Hospital, Boston, MA, USA
- Department of Radiology, Brigham and Women’s Hospital, Boston, MA, USA
| | - Michael A. Mooney
- Department of Neurosurgery, Brigham and Women’s Hospital, Boston, MA, USA
| | - Timothy R. Smith
- Department of Neurosurgery, Brigham and Women’s Hospital, Boston, MA, USA
| | - Keith L. Ligon
- Department of Pathology, Brigham and Women’s Hospital, Boston, MA, USA
- Department of Pathology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Patrick Y. Wen
- Department of Medical Oncology, Center for Neuro-Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Nathalie Y. R. Agar
- Department of Neurosurgery, Brigham and Women’s Hospital, Boston, MA, USA
- Department of Radiology, Brigham and Women’s Hospital, Boston, MA, USA
| | - Jong Woo Lee
- Department of Neurology, Brigham and Women’s Hospital, Boston, MA, USA
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Avila EK, Tobochnik S, Inati SK, Koekkoek JAF, McKhann GM, Riviello JJ, Rudà R, Schiff D, Tatum WO, Templer JW, Weller M, Wen PY. Brain tumor-related epilepsy management: A Society for Neuro-oncology (SNO) consensus review on current management. Neuro Oncol 2024; 26:7-24. [PMID: 37699031 PMCID: PMC10768995 DOI: 10.1093/neuonc/noad154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/14/2023] Open
Abstract
Tumor-related epilepsy (TRE) is a frequent and major consequence of brain tumors. Management of TRE is required throughout the course of disease and a deep understanding of diagnosis and treatment is key to improving quality of life. Gross total resection is favored from both an oncologic and epilepsy perspective. Shared mechanisms of tumor growth and epilepsy exist, and emerging data will provide better targeted therapy options. Initial treatment with antiseizure medications (ASM) in conjunction with surgery and/or chemoradiotherapy is typical. The first choice of ASM is critical to optimize seizure control and tolerability considering the effects of the tumor itself. These agents carry a potential for drug-drug interactions and therefore knowledge of mechanisms of action and interactions is needed. A review of adverse effects is necessary to guide ASM adjustments and decision-making. This review highlights the essential aspects of diagnosis and treatment of TRE with ASMs, surgery, chemotherapy, and radiotherapy while indicating areas of uncertainty. Future studies should consider the use of a standardized method of seizure tracking and incorporating seizure outcomes as a primary endpoint of tumor treatment trials.
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Affiliation(s)
- Edward K Avila
- Department of Neurology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Steven Tobochnik
- Department of Neurology, Brigham and Women’s Hospital, Boston, Massachusetts, USA
- Department of Neurology, VA Boston Healthcare System, Boston, Massachusetts, USA
| | - Sara K Inati
- Surgical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, USA
| | - Johan A F Koekkoek
- Department of Neurology, Leiden University Medical Center, Leiden, The Netherlands
- Department of Neurology, Haaglanden Medical Center, The Hague, The Netherlands
| | - Guy M McKhann
- Department of Neurosurgery, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, New York, USA
| | - James J Riviello
- Division of Neurology and Developmental Neuroscience, Department of Pediatrics, Baylor College of Medicine, Texas Children’s Hospital, Houston, Texas, USA
| | - Roberta Rudà
- Division of Neuro-Oncology, Department of Neuroscience “Rita Levi Montalcini,” University of Turin, Italy
| | - David Schiff
- Department of Neurology, Division of Neuro-Oncology, University of Virginia School of Medicine, Charlottesville, Virginia, USA
| | - William O Tatum
- Department of Neurology, Mayo Clinic, Jacksonville, Florida, USA
| | - Jessica W Templer
- Department of Neurology, Northwestern University, Chicago, Illinois, USA
| | - Michael Weller
- Department of Neurology, Clinical Neuroscience Centre, University Hospital Zurich and University of Zurich, Zurich, Switzerland
| | - Patrick Y Wen
- Center for Neuro-Oncology, Dana-Farber Cancer Center, and Division of Neuro-Oncology, Department of Neurology, Brigham and Women’s Hospital, Boston, Massachusetts, USA
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3
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Joghataei MT, Bakhtiarzadeh F, Dehghan S, Ketabforoush AHME, Golab F, Zarbakhsh S, Ahmadirad N. The role of neurotransmitters in glioblastoma multiforme-associated seizures. Int J Dev Neurosci 2023; 83:677-690. [PMID: 37563091 DOI: 10.1002/jdn.10294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Revised: 07/20/2023] [Accepted: 07/26/2023] [Indexed: 08/12/2023] Open
Abstract
GBM, or glioblastoma multiforme, is a brain tumor that poses a great threat to both children and adults, being the primary cause of death related to brain tumors. GBM is often associated with epilepsy, which can be debilitating. Seizures and the development of epilepsy are the primary symptoms that have a severe impact on the quality of life for GBM patients. It is increasingly apparent that the nervous system plays an essential role in the tumor microenvironment for all cancer types, including GBM. In recent years, there has been a growing understanding of how neurotransmitters control the progression of gliomas. Evidence suggests that neurotransmitters and neuromodulators found in the tumor microenvironment play crucial roles in the excitability, proliferation, quiescence, and differentiation of neurons, glial cells, and neural stem cells. The involvement of neurotransmitters appears to play a significant role in various stages of GBM. In this review, the focus is on presenting updated knowledge and emerging ideas regarding the interplay between neurotransmitters and neuromodulators, such as glutamate, GABA, norepinephrine, dopamine, serotonin, adenosine, and their relationship with GBM and the seizures induced by this condition. The review aims to explore the current understanding and provide new insights into the complex interactions between these neurotransmitters and neuromodulators in the context of GBM-related seizures.
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Affiliation(s)
| | - Fatemeh Bakhtiarzadeh
- Department of Physiology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Samaneh Dehghan
- Eye Research Center, The Five Senses Institute, Rasool Akram Hospital, Iran University of Medical Sciences, Tehran, Iran
- Stem Cell and Regenerative Medicine Research Center, Iran University of Medical Sciences, Tehran, Iran
| | | | - Fereshteh Golab
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Sam Zarbakhsh
- Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan, Iran
| | - Nooshin Ahmadirad
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran
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Krauze AV, Zhao Y, Li MC, Shih J, Jiang W, Tasci E, Cooley Zgela T, Sproull M, Mackey M, Shankavaram U, Tofilon P, Camphausen K. Revisiting Concurrent Radiation Therapy, Temozolomide, and the Histone Deacetylase Inhibitor Valproic Acid for Patients with Glioblastoma-Proteomic Alteration and Comparison Analysis with the Standard-of-Care Chemoirradiation. Biomolecules 2023; 13:1499. [PMID: 37892181 PMCID: PMC10604983 DOI: 10.3390/biom13101499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 09/19/2023] [Accepted: 09/20/2023] [Indexed: 10/29/2023] Open
Abstract
BACKGROUND Glioblastoma (GBM) is the most common brain tumor with an overall survival (OS) of less than 30% at two years. Valproic acid (VPA) demonstrated survival benefits documented in retrospective and prospective trials, when used in combination with chemo-radiotherapy (CRT). PURPOSE The primary goal of this study was to examine if the differential alteration in proteomic expression pre vs. post-completion of concurrent chemoirradiation (CRT) is present with the addition of VPA as compared to standard-of-care CRT. The second goal was to explore the associations between the proteomic alterations in response to VPA/RT/TMZ correlated to patient outcomes. The third goal was to use the proteomic profile to determine the mechanism of action of VPA in this setting. MATERIALS AND METHODS Serum obtained pre- and post-CRT was analyzed using an aptamer-based SOMAScan® proteomic assay. Twenty-nine patients received CRT plus VPA, and 53 patients received CRT alone. Clinical data were obtained via a database and chart review. Tests for differences in protein expression changes between radiation therapy (RT) with or without VPA were conducted for individual proteins using two-sided t-tests, considering p-values of <0.05 as significant. Adjustment for age, sex, and other clinical covariates and hierarchical clustering of significant differentially expressed proteins was carried out, and Gene Set Enrichment analyses were performed using the Hallmark gene sets. Univariate Cox proportional hazards models were used to test the individual protein expression changes for an association with survival. The lasso Cox regression method and 10-fold cross-validation were employed to test the combinations of expression changes of proteins that could predict survival. Predictiveness curves were plotted for significant proteins for VPA response (p-value < 0.005) to show the survival probability vs. the protein expression percentiles. RESULTS A total of 124 proteins were identified pre- vs. post-CRT that were differentially expressed between the cohorts who received CRT plus VPA and those who received CRT alone. Clinical factors did not confound the results, and distinct proteomic clustering in the VPA-treated population was identified. Time-dependent ROC curves for OS and PFS for landmark times of 20 months and 6 months, respectively, revealed AUC of 0.531, 0.756, 0.774 for OS and 0.535, 0.723, 0.806 for PFS for protein expression, clinical factors, and the combination of protein expression and clinical factors, respectively, indicating that the proteome can provide additional survival risk discrimination to that already provided by the standard clinical factors with a greater impact on PFS. Several proteins of interest were identified. Alterations in GALNT14 (increased) and CCL17 (decreased) (p = 0.003 and 0.003, respectively, FDR 0.198 for both) were associated with an improvement in both OS and PFS. The pre-CRT protein expression revealed 480 proteins predictive for OS and 212 for PFS (p < 0.05), of which 112 overlapped between OS and PFS. However, FDR-adjusted p values were high, with OS (the smallest p value of 0.586) and PFS (the smallest p value of 0.998). The protein PLCD3 had the lowest p-value (p = 0.002 and 0.0004 for OS and PFS, respectively), and its elevation prior to CRT predicted superior OS and PFS with VPA administration. Cancer hallmark genesets associated with proteomic alteration observed with the administration of VPA aligned with known signal transduction pathways of this agent in malignancy and non-malignancy settings, and GBM signaling, and included epithelial-mesenchymal transition, hedgehog signaling, Il6/JAK/STAT3, coagulation, NOTCH, apical junction, xenobiotic metabolism, and complement signaling. CONCLUSIONS Differential alteration in proteomic expression pre- vs. post-completion of concurrent chemoirradiation (CRT) is present with the addition of VPA. Using pre- vs. post-data, prognostic proteins emerged in the analysis. Using pre-CRT data, potentially predictive proteins were identified. The protein signals and hallmark gene sets associated with the alteration in the proteome identified between patients who received VPA and those who did not, align with known biological mechanisms of action of VPA and may allow for the identification of novel biomarkers associated with outcomes that can help advance the study of VPA in future prospective trials.
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Affiliation(s)
- Andra V. Krauze
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health (NIH), 9000 Rockville Pike, Building 10, CRC, Bethesda, MD 20892, USA (T.C.Z.); (U.S.); (P.T.)
| | - Yingdong Zhao
- Computational and Systems Biology Branch, Biometric Research Program, Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Rockville, Maryland 20850, USA; (Y.Z.); (M.-C.L.); (J.S.)
| | - Ming-Chung Li
- Computational and Systems Biology Branch, Biometric Research Program, Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Rockville, Maryland 20850, USA; (Y.Z.); (M.-C.L.); (J.S.)
| | - Joanna Shih
- Computational and Systems Biology Branch, Biometric Research Program, Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Rockville, Maryland 20850, USA; (Y.Z.); (M.-C.L.); (J.S.)
| | - Will Jiang
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health (NIH), 9000 Rockville Pike, Building 10, CRC, Bethesda, MD 20892, USA (T.C.Z.); (U.S.); (P.T.)
| | - Erdal Tasci
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health (NIH), 9000 Rockville Pike, Building 10, CRC, Bethesda, MD 20892, USA (T.C.Z.); (U.S.); (P.T.)
| | - Theresa Cooley Zgela
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health (NIH), 9000 Rockville Pike, Building 10, CRC, Bethesda, MD 20892, USA (T.C.Z.); (U.S.); (P.T.)
| | - Mary Sproull
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health (NIH), 9000 Rockville Pike, Building 10, CRC, Bethesda, MD 20892, USA (T.C.Z.); (U.S.); (P.T.)
| | - Megan Mackey
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health (NIH), 9000 Rockville Pike, Building 10, CRC, Bethesda, MD 20892, USA (T.C.Z.); (U.S.); (P.T.)
| | - Uma Shankavaram
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health (NIH), 9000 Rockville Pike, Building 10, CRC, Bethesda, MD 20892, USA (T.C.Z.); (U.S.); (P.T.)
| | - Philip Tofilon
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health (NIH), 9000 Rockville Pike, Building 10, CRC, Bethesda, MD 20892, USA (T.C.Z.); (U.S.); (P.T.)
| | - Kevin Camphausen
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health (NIH), 9000 Rockville Pike, Building 10, CRC, Bethesda, MD 20892, USA (T.C.Z.); (U.S.); (P.T.)
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5
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Sokolov E, Dietrich J, Cole AJ. The complexities underlying epilepsy in people with glioblastoma. Lancet Neurol 2023; 22:505-516. [PMID: 37121239 DOI: 10.1016/s1474-4422(23)00031-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 12/20/2022] [Accepted: 01/17/2023] [Indexed: 05/02/2023]
Abstract
Seizures are among the most common clinical signs in people with glioblastoma. Advances over the past 5 years, including new clinical trial data, have increased the understanding of why some individuals with glioblastoma are susceptible to seizures, how seizures manifest clinically, and what implications seizures have for patient management. The pathophysiology of epilepsy in people with glioblastoma relates to a combination of intrinsic epileptogenicity of tumour tissue, alterations in the tumour and peritumoural microenvironment, and the physical and functional disturbance of adjacent brain structures. Successful management of epilepsy in people with glioblastoma remains challenging; factors such as drug-drug interactions between cancer therapies and antiseizure medications, and medication side-effects, can affect seizure outcomes and quality of life. Advances in novel therapies provide some promise for people with glioblastoma; however, the effects of these therapies on seizures are yet to be fully determined. Looking forward, insights into electrical activity as a driver of tumour cell growth and the intrinsic hyperexcitability of tumour tissue might represent useful targets for treatment and disease modification. There is a pressing need for large randomised clinical trials in this field.
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Affiliation(s)
- Elisaveta Sokolov
- Department of Neurosciences, Cleveland Clinic, London, UK; Department of Neurology and Neurophysiology, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Jorg Dietrich
- Cancer and Neurotoxicity Clinic and Brain Repair Research Program, Division of Neuro-Oncology, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Andrew J Cole
- MGH Epilepsy Service, Division of Clinical Neurophysiology, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
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Dao Trong P, Jungwirth G, Unterberg A, Herold-Mende C, Warta R. The Antiepileptic Drug Oxcarbazepine Inhibits the Growth of Patient-Derived Isocitrate Dehydrogenase Mutant Glioma Stem-like Cells. Cells 2023; 12:cells12081200. [PMID: 37190109 DOI: 10.3390/cells12081200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 04/14/2023] [Accepted: 04/18/2023] [Indexed: 05/17/2023] Open
Abstract
Patients diagnosed with isocitrate dehydrogenase mutant (IDHmut) gliomas suffer frequently from seizures. Although the clinical course is less aggressive than that of its IDH wildtype counterpart, recent discoveries have shown that epileptic activity can promote tumor proliferation. However, it is not known if antiepileptic drugs confer additional value by inhibiting tumor growth. In this study, the antineoplastic properties of 20 FDA-approved antiepileptic drugs (AEDs) were tested in six patient-derived IDHmut glioma stem-like cells (GSCs). Cell proliferation was assessed using the CellTiterGlo-3D assay. Two of the screened drugs (oxcarbazepine and perampanel) demonstrated an antiproliferative effect. A subsequent eight-point dose-response curve proved the dose-dependent growth inhibition for both drugs, but only oxcarbazepine reached an IC50 value below 100 µM in 5/6 GSCs (mean 44.7 µM; range 17.4-98.0 µM), approximating the possible cmax for oxcarbazepine in patient serums. Furthermore, the treated GSC spheroids were 82% smaller (mean volume 1.6 nL vs. 8.7 nL; p = 0.01 (live/deadTM fluorescence staining)), and the apoptotic events increased by more than 50% (caspase-3/7 activity; p = 0.006). Taken together, this drug screen of a large series of antiepileptic drugs identified oxcarbazepine as a potent proapoptotic drug in IDHmut GSCs, which combines antiepileptic and antineoplastic properties to treat this seizure-prone patient population.
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Affiliation(s)
- Philip Dao Trong
- Division of Experimental Neurosurgery, Department of Neurosurgery, University Hospital Heidelberg, INF400, 69120 Heidelberg, Germany
| | - Gerhard Jungwirth
- Division of Experimental Neurosurgery, Department of Neurosurgery, University Hospital Heidelberg, INF400, 69120 Heidelberg, Germany
| | - Andreas Unterberg
- Division of Experimental Neurosurgery, Department of Neurosurgery, University Hospital Heidelberg, INF400, 69120 Heidelberg, Germany
| | - Christel Herold-Mende
- Division of Experimental Neurosurgery, Department of Neurosurgery, University Hospital Heidelberg, INF400, 69120 Heidelberg, Germany
| | - Rolf Warta
- Division of Experimental Neurosurgery, Department of Neurosurgery, University Hospital Heidelberg, INF400, 69120 Heidelberg, Germany
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7
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Aronica E, Ciusani E, Coppola A, Costa C, Russo E, Salmaggi A, Perversi F, Maschio M. Epilepsy and brain tumors: Two sides of the same coin. J Neurol Sci 2023; 446:120584. [PMID: 36842341 DOI: 10.1016/j.jns.2023.120584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 02/06/2023] [Accepted: 02/09/2023] [Indexed: 02/16/2023]
Abstract
Epilepsy is the most common symptom in patients with brain tumors. The shared genetic, molecular, and cellular mechanisms between tumorigenesis and epileptogenesis represent 'two sides of the same coin'. These include augmented neuronal excitatory transmission, impaired inhibitory transmission, genetic mutations in the BRAF, IDH, and PIK3CA genes, inflammation, hemodynamic impairments, and astrocyte dysfunction, which are still largely unknown. Low-grade developmental brain tumors are those most commonly associated with epilepsy. Given this strict relationship, drugs able to target both seizures and tumors would be of extreme clinical usefulness. In this regard, anti-seizure medications (ASMs) are optimal candidates as they have well-characterized effects and safety profiles, do not increase the risk of developing cancer, and already offer well-defined seizure control. The most important ASMs showing preclinical and clinical efficacy are brivaracetam, lacosamide, perampanel, and especially valproic acid and levetiracetam. However, the data quality is low or limited to preclinical studies, and results are sometimes conflicting. Future trials with a prospective, randomized, and controlled design accounting for different prognostic factors will help clarify the role of these ASMs and the clinical setting in which they might be used. In conclusion, brain tumor-related epilepsies are clear examples of how close, multidisciplinary collaborations among investigators with different expertise are warranted for pursuing scientific knowledge and, more importantly, for the well-being of patients needing targeted and effective therapies.
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Affiliation(s)
- Eleonora Aronica
- Amsterdam UMC location the University of Amsterdam, Department of (Neuro)Pathology Amsterdam Neuroscience, Meibergdreef 9, Amsterdam, the Netherlands; Stichting Epilepsie Instellingen Nederland, Heemstede, The Netherlands
| | - Emilio Ciusani
- Department of Research and Technology, Fondazione IRCCS Istituto Neurologico C. Besta Milan, Italy
| | - Antonietta Coppola
- Department of Neuroscience, Odontostomatology and Reproductive Sciences, Federico II University of Naples, Naples, Italy
| | - Cinzia Costa
- Neurology Clinic, Department of Medicine and Surgery, University of Perugia, S. Maria della Misericordia Hospital, Perugia, Italy
| | - Emilio Russo
- Science of Health Department, Magna Grecia University, Catanzaro, Italy
| | - Andrea Salmaggi
- Department of Neurosciences, Unit of Neurology, Presidio A. Manzoni, ASST Lecco, Italy
| | | | - Marta Maschio
- Center for tumor-related epilepsy, UOSD Neurooncology, IRCCS Regina Elena National Cancer Institute, Rome, Italy.
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Antitumor Potential of Antiepileptic Drugs in Human Glioblastoma: Pharmacological Targets and Clinical Benefits. Biomedicines 2023; 11:biomedicines11020582. [PMID: 36831117 PMCID: PMC9953000 DOI: 10.3390/biomedicines11020582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 02/07/2023] [Accepted: 02/10/2023] [Indexed: 02/18/2023] Open
Abstract
Glioblastoma (GBM) is characterized by fast-growing cells, genetic and phenotypic heterogeneity, and radio-chemo-therapy resistance, contributing to its dismal prognosis. Various medical comorbidities are associated with the natural history of GBM. The most disabling and greatly affecting patients' quality of life are neurodegeneration, cognitive impairment, and GBM-related epilepsy (GRE). Hallmarks of GBM include molecular intrinsic mediators and pathways, but emerging evidence supports the key role of non-malignant cells within the tumor microenvironment in GBM aggressive behavior. In this context, hyper-excitability of neurons, mediated by glutamatergic and GABAergic imbalance, contributing to GBM growth strengthens the cancer-nervous system crosstalk. Pathogenic mechanisms, clinical features, and pharmacological management of GRE with antiepileptic drugs (AEDs) and their interactions are poorly explored, yet it is a potentially promising field of research in cancer neuroscience. The present review summarizes emerging cooperative mechanisms in oncogenesis and epileptogenesis, focusing on the neuron-to-glioma interface. The main effects and efficacy of selected AEDs used in the management of GRE are discussed in this paper, as well as their potential beneficial activity as antitumor treatment. Overall, although still many unclear processes overlapping in GBM growth and seizure onset need to be elucidated, this review focuses on the intriguing targeting of GBM-neuron mutual interactions to improve the outcome of the so challenging to treat GBM.
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Everix L, Seane EN, Ebenhan T, Goethals I, Bolcaen J. Introducing HDAC-Targeting Radiopharmaceuticals for Glioblastoma Imaging and Therapy. Pharmaceuticals (Basel) 2023; 16:227. [PMID: 37259375 PMCID: PMC9967489 DOI: 10.3390/ph16020227] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/24/2023] [Accepted: 01/26/2023] [Indexed: 09/29/2023] Open
Abstract
Despite recent advances in multimodality therapy for glioblastoma (GB) incorporating surgery, radiotherapy, chemotherapy and targeted therapy, the overall prognosis remains poor. One of the interesting targets for GB therapy is the histone deacetylase family (HDAC). Due to their pleiotropic effects on, e.g., DNA repair, cell proliferation, differentiation, apoptosis and cell cycle, HDAC inhibitors have gained a lot of attention in the last decade as anti-cancer agents. Despite their known underlying mechanism, their therapeutic activity is not well-defined. In this review, an extensive overview is given of the current status of HDAC inhibitors for GB therapy, followed by an overview of current HDAC-targeting radiopharmaceuticals. Imaging HDAC expression or activity could provide key insights regarding the role of HDAC enzymes in gliomagenesis, thus identifying patients likely to benefit from HDACi-targeted therapy.
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Affiliation(s)
- Liesbeth Everix
- Molecular Imaging Center Antwerp (MICA), University of Antwerp, 2610 Antwerpen, Belgium
| | - Elsie Neo Seane
- Department of Medical Imaging and Therapeutic Sciences, Cape Peninsula University of Technology, Cape Town 7530, South Africa
| | - Thomas Ebenhan
- Pre-Clinical Imaging Facility (PCIF), (NuMeRI) NPC, Pretoria 0001, South Africa
- Department of Science and Technology/Preclinical Drug Development Platform (PCDDP), North West University, Potchefstroom 2520, South Africa
- Nuclear Medicine, University of Pretoria, Pretoria 0001, South Africa
| | - Ingeborg Goethals
- Department of Nuclear Medicine, Ghent University Hospital, 9000 Ghent, Belgium
| | - Julie Bolcaen
- Radiation Biophysics Division, SSC laboratory, iThemba LABS, Cape Town 7131, South Africa
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10
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Tyagunova EE, Zakharov AS, Glukhov AI, Dobrokhotova VZ, Shlapakov TI, Kozlov VV, Korotkova NV, Tyagunova TE. Features of epileptiform activity in patients with diagnosed glioblastoma: from genetic and biochemical mechanisms to clinical aspects. HEAD AND NECK TUMORS (HNT) 2022. [DOI: 10.17650/2222-1468-2022-12-3-102-113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Introduction. glioblastomas multiforme (grade Iv gliomas) are common and the most aggressive primary tumors of the brain with very unfavorable prognosis. In all previously published papers on epileptiform activity in glioblastomas, not enough information on encephalogram results is presented.Aim. To study the features of epileptiform activity in patients with glioblastomas and development of a plan for further study of these patients.Materials and methods. An analysis of articles from Elsevier, Embase, Scopus, The Cochrane Library, global Health, Russian Science Citation Index (RSCI) databases, Scholar, google, web of Science, pubmed search engines and scientific electronic library CyberLeninka was performed. materials were selected considering journal indexing system and citations, scientific novelty of the studies, statistical significance of the results. publications repeating data from previous articles or describing animal experiments were excluded from analysis.Results. During the study, data on mechanisms of epileptiform activity pathogenesis, predisposing factors (tumor location in the temporal, frontal or parietal lobes, IDH-1 and / or IDH-2 gene mutations), treatment options in patients with glioblastomas were systemized. Additionally, and original plan of data accumulation for clinical studied taking into account limitations of the previous studies was developed to increase quality of results interpretation.Conclusion. Epileptiform symptoms in glioblastomas negatively affect patients’ quality of life and lifespan. Currently, researchers actively search for an effective method of treatment of epileptic seizures in patients with glioblastomas. The most effective is combination of temozolomide with valproate and levetiracetam due to good control of seizure frequency, low toxicity, and pharmacological synergy between the drugs.
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Affiliation(s)
- E. E. Tyagunova
- I.M. Sechenov First Moscow State Medical University, Ministry of Health of Russia
| | - A. S. Zakharov
- Pavlov Ryazan State Medical University, Ministry of Health of Russia
| | - A. I. Glukhov
- I.M. Sechenov First Moscow State Medical University, Ministry of Health of Russia; M.V. Lomonosov Moscow State University
| | - V. Z. Dobrokhotova
- I.M. Sechenov First Moscow State Medical University, Ministry of Health of Russia; N. N. Blokhin National Research Institute of Oncology, Ministry of Health of Russia
| | - T. I. Shlapakov
- I.M. Sechenov First Moscow State Medical University, Ministry of Health of Russia
| | - V. V. Kozlov
- I.M. Sechenov First Moscow State Medical University, Ministry of Health of Russia
| | - N. V. Korotkova
- Pavlov Ryazan State Medical University, Ministry of Health of Russia
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11
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Huang W, Hao Z, Mao F, Guo D. Small Molecule Inhibitors in Adult High-Grade Glioma: From the Past to the Future. Front Oncol 2022; 12:911876. [PMID: 35785151 PMCID: PMC9247310 DOI: 10.3389/fonc.2022.911876] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 05/13/2022] [Indexed: 12/12/2022] Open
Abstract
Glioblastoma is the most common primary malignant tumor in the brain and has a dismal prognosis despite patients accepting standard therapies. Alternation of genes and deregulation of proteins, such as receptor tyrosine kinase, PI3K/Akt, PKC, Ras/Raf/MEK, histone deacetylases, poly (ADP-ribose) polymerase (PARP), CDK4/6, branched-chain amino acid transaminase 1 (BCAT1), and Isocitrate dehydrogenase (IDH), play pivotal roles in the pathogenesis and progression of glioma. Simultaneously, the abnormalities change the cellular biological behavior and microenvironment of tumor cells. The differences between tumor cells and normal tissue become the vulnerability of tumor, which can be taken advantage of using targeted therapies. Small molecule inhibitors, as an important part of modern treatment for cancers, have shown significant efficacy in hematologic cancers and some solid tumors. To date, in glioblastoma, there have been more than 200 clinical trials completed or ongoing in which trial designers used small molecules as monotherapy or combination regimens to correct the abnormalities. In this review, we summarize the dysfunctional molecular mechanisms and highlight the outcomes of relevant clinical trials associated with small-molecule targeted therapies. Based on the outcomes, the main findings were that small-molecule inhibitors did not bring more benefit to newly diagnosed glioblastoma, but the clinical studies involving progressive glioblastoma usually claimed “noninferiority” compared with historical results. However, as to the clinical inferiority trial, similar dosing regimens should be avoided in future clinical trials.
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Affiliation(s)
- Wenda Huang
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhaonian Hao
- Department of Neurosurgery, Beijing TianTan Hospital, Capital Medical University, Beijing, China
| | - Feng Mao
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- *Correspondence: Dongsheng Guo, ; Feng Mao,
| | - Dongsheng Guo
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- *Correspondence: Dongsheng Guo, ; Feng Mao,
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12
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Qi J, Liu X, Xu N, Wang Q. The Clinical Characteristics of New-Onset Epilepsy in the Elderly and Risk Factors for Treatment Outcomes of Antiseizure Medications. Front Neurol 2022; 13:819889. [PMID: 35273558 PMCID: PMC8901571 DOI: 10.3389/fneur.2022.819889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 01/20/2022] [Indexed: 12/01/2022] Open
Abstract
Objective To describe the clinical characteristics of elderly patients with new-onset epilepsy in a Class A tertiary comprehensive hospital in north China and evaluate the treatment outcomes of antiseizure medications (ASMs). This study focuses on investigating the factors affecting the treatment outcomes, guiding the drug treatment, and judging the prognosis of elderly epilepsy patients. Methods We included patients aged 60 years or older at the time of their first seizure between January 2014 and August 2020. Demographic characteristics, effects of ASM, and the proportion of 1-year and long-term seizure freedom were reported. The univariate analysis and binary logistic regression were used to identify factors potentially influencing treatment outcomes. Results A total of 326 patients (median age 65 years, 67.2% men) were included. Moreover, 185 (56.7%) patients who received the first ASM monotherapy achieved 1 year of seizure freedom in the early stage. Compared with structural etiology, unknown etiology was associated with a higher likelihood of early seizure freedom (odds ratio [OR] = 0.545; p < 0.05). Conversely, comorbid intracranial malignant tumors, taking carbamazepine (CBZ), and sodium valproate (VPA) were associated with a lower likelihood of seizure freedom (OR = 3.527 vs. 6.550 vs. 8.829; p < 0.05). At long-term follow-up, 263 (80.6%) patients achieved seizure freedom, with 79.8% on monotherapy. Conclusions Elderly patients with new-onset epilepsy responded well to the initial ASMs treatment. Patients with intracranial malignant tumors and prescribed VPA and CBZ were less likely to achieve early seizure freedom, while those with unknown etiology had higher probabilities of achieving early seizure freedom than those with structural etiology.
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Affiliation(s)
- Jing Qi
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Xiao Liu
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Na Xu
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Qun Wang
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,National Center for Clinical Medicine of Neurological Diseases, Beijing, China.,Collaborative Innovation Center for Brain Disorders, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
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13
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Han W, Guan W. Valproic Acid: A Promising Therapeutic Agent in Glioma Treatment. Front Oncol 2021; 11:687362. [PMID: 34568018 PMCID: PMC8461314 DOI: 10.3389/fonc.2021.687362] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 08/20/2021] [Indexed: 12/17/2022] Open
Abstract
Glioma, characterized by infiltrative growth and treatment resistance, is regarded as the most prevalent intracranial malignant tumor. Due to its poor prognosis, accumulating investigation has been performed for improvement of overall survival (OS) and progression-free survival (PFS) in glioma patients. Valproic acid (VPA), one of the most common histone deacetylase inhibitors (HDACIs), has been detected to directly or synergistically exert inhibitory effects on glioma in vitro and in vivo. In this review, we generalize the latest advances of VPA in treating glioma and its underlying mechanisms and clinical implications, providing a clearer profile for clinical application of VPA as a therapeutic agent for glioma.
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Affiliation(s)
- Wei Han
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, China.,Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Wei Guan
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, China
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14
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Medical and Neurological Management of Brain Tumor Complications. Curr Neurol Neurosci Rep 2021; 21:53. [PMID: 34545509 DOI: 10.1007/s11910-021-01142-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/27/2021] [Indexed: 01/03/2023]
Abstract
PURPOSE OF REVIEW The diagnosis of brain tumors often leads to complications that are either related to the tumor itself or the tumor-directed and supportive therapies, increasing the burden on the patients' quality of life and even survival. This article reviews the medical and neurological conditions that commonly complicate the disease course of brain tumors patients. RECENT FINDINGS Various mechanisms have been newly identified to be involved in the pathophysiology of seizures and brain edema and can help advance the treatment of such complications. There have also been new developments in the management of thromboembolic disease and cognitive impairment. Medical and neurological complications are being identified more often in brain tumor patients with the improved survival provided by therapeutic advances. Early and proper identification and management of such complications are crucial for a better survival and quality of life.
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15
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Walbert T, Harrison RA, Schiff D, Avila EK, Chen M, Kandula P, Lee JW, Le Rhun E, Stevens GHJ, Vogelbaum MA, Wick W, Weller M, Wen PY, Gerstner ER. SNO and EANO practice guideline update: Anticonvulsant prophylaxis in patients with newly diagnosed brain tumors. Neuro Oncol 2021; 23:1835-1844. [PMID: 34174071 DOI: 10.1093/neuonc/noab152] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
OBJECTIVE To update the 2000 American Academy of Neurology (AAN) practice parameter on anticonvulsant prophylaxis in patients with newly diagnosed brain tumors. METHODS Following the 2017 AAN methodologies, a systematic literature review utilizing PubMed, EMBASE, Cochrane, and Web of Science databases was performed. The studies were rated based on the AAN therapeutic or causation classification of evidence (Class I-IV). RESULTS Thirty-seven articles were selected for final analysis. There were limited high level, Class I studies and mostly Class II and III studies. The AAN affirmed the value of these guidelines. RECOMMENDATIONS In patients with newly diagnosed brain tumors who have not had a seizure, clinicians should not prescribe anti-epileptic drugs (AEDs) to reduce the risk of seizures (Level A). In brain tumor patients undergoing surgery, there is insufficient evidence to recommend prescribing AEDs to reduce the risk of seizures in the peri- or postoperative period (Level C). There is insufficient evidence to support prescribing valproic acid or levetiracetam with the intent to prolong progression-free or overall survival (Level C). Physicians may consider use of levetiracetam over older AEDs to reduce side effects (Level C). There is insufficient evidence to support using tumor location, histology, grade, molecular/imaging features, when deciding whether or not to prescribe prophylactic AEDs (Level U).
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Affiliation(s)
- Tobias Walbert
- Department of Neurosurgery, Henry Ford Health System, Detroit, MI, USA
| | | | - David Schiff
- University of Virginia Health System, Charlottesville, VA, USA
| | - Edward K Avila
- Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Merry Chen
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Padmaja Kandula
- Division of Clinical Neurophysiology and Epilepsy, New York Presbyterian Hospital-Weill Cornell Medicine, New York, New York USA
| | | | - Emilie Le Rhun
- Departments of Neurology and Neurosurgery, Brain Tumor Center & Clinical Neuroscience Center, University Hospital and University of Zurich, Zurich, Switzerland
| | - Glen H J Stevens
- Rose Ella Burkhardt Brain Tumor and Neuro-oncology Center, Cleveland Clinic, Cleveland, Ohio, USA
| | | | - Wolfgang Wick
- Neurology Clinic and Neurooncology Program, Heidelberg University and German Cancer Research Center, Heidelberg, Germany
| | - Michael Weller
- Department of Neurology, University Hospital and University of Zurich, Zurich, Switzerland
| | - Patrick Y Wen
- Center For Neuro-Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Elizabeth R Gerstner
- Pappas Center for Neuro-Oncology, Massachusetts General Hospital, Boston, MA, USA and Harvard Medical School, Boston, MA, USA
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16
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Lange F, Hörnschemeyer J, Kirschstein T. Glutamatergic Mechanisms in Glioblastoma and Tumor-Associated Epilepsy. Cells 2021; 10:cells10051226. [PMID: 34067762 PMCID: PMC8156732 DOI: 10.3390/cells10051226] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 05/12/2021] [Accepted: 05/13/2021] [Indexed: 12/21/2022] Open
Abstract
The progression of glioblastomas is associated with a variety of neurological impairments, such as tumor-related epileptic seizures. Seizures are not only a common comorbidity of glioblastoma but often an initial clinical symptom of this cancer entity. Both, glioblastoma and tumor-associated epilepsy are closely linked to one another through several pathophysiological mechanisms, with the neurotransmitter glutamate playing a key role. Glutamate interacts with its ionotropic and metabotropic receptors to promote both tumor progression and excitotoxicity. In this review, based on its physiological functions, our current understanding of glutamate receptors and glutamatergic signaling will be discussed in detail. Furthermore, preclinical models to study glutamatergic interactions between glioma cells and the tumor-surrounding microenvironment will be presented. Finally, current studies addressing glutamate receptors in glioma and tumor-related epilepsy will be highlighted and future approaches to interfere with the glutamatergic network are discussed.
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Affiliation(s)
- Falko Lange
- Oscar-Langendorff-Institute of Physiology, Rostock University Medical Center, 18057 Rostock, Germany;
- Center for Transdisciplinary Neurosciences Rostock, University of Rostock, 18147 Rostock, Germany
- Correspondence: (F.L.); (T.K.)
| | - Julia Hörnschemeyer
- Oscar-Langendorff-Institute of Physiology, Rostock University Medical Center, 18057 Rostock, Germany;
| | - Timo Kirschstein
- Oscar-Langendorff-Institute of Physiology, Rostock University Medical Center, 18057 Rostock, Germany;
- Center for Transdisciplinary Neurosciences Rostock, University of Rostock, 18147 Rostock, Germany
- Correspondence: (F.L.); (T.K.)
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17
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Borger V, Hamed M, Ilic I, Potthoff AL, Racz A, Schäfer N, Güresir E, Surges R, Herrlinger U, Vatter H, Schneider M, Schuss P. Seizure outcome in temporal glioblastoma surgery: lobectomy as a supratotal resection regime outclasses conventional gross-total resection. J Neurooncol 2021; 152:339-346. [PMID: 33554293 PMCID: PMC7997820 DOI: 10.1007/s11060-021-03705-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 01/19/2021] [Indexed: 12/02/2022]
Abstract
Introduction The postoperative seizure freedom represents an important secondary outcome measure in glioblastoma surgery. Recently, supra-total glioblastoma resection in terms of anterior temporal lobectomy (ATL) has gained growing attention with regard to superior long-term disease control for temporal-located glioblastoma compared to conventional gross-total resections (GTR). However, the impact of ATL on seizure outcome in these patients is unknown. We therefore analyzed ATL and GTR as differing extents of resection in regard of postoperative seizure control in patients with temporal glioblastoma and preoperative symptomatic seizures. Methods Between 2012 and 2018, 33 patients with preoperative seizures underwent GTR or ATL for temporal glioblastoma at the authors’ institution. Seizure outcome was assessed postoperatively and 6 months after tumor resection according to the International League Against Epilepsy (ILAE) classification and stratified into favorable (ILAE class 1) versus unfavorable (ILAE class 2–6). Results Overall, 23 out of 33 patients (70%) with preoperative seizures achieved favorable seizure outcome following resection of temporal located glioblastoma. For the ATL group, postoperative seizure freedom was present in 13 out of 13 patients (100%). In comparison, respective rates for the GTR group were 10 out of 20 patients (50%) (p = 0.002; OR 27; 95% CI 1.4–515.9). Conclusions ATL in terms of a supra-total resection strategy was associated with superior favorable seizure outcome following temporal glioblastoma resection compared to GTR. Regarding above mentioned survival benefit following ATL compared to GTR, ATL as an aggressive supra-total resection regime might constitute the surgical modality of choice for temporal-located glioblastoma.
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Affiliation(s)
- Valeri Borger
- Department of Neurosurgery, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany.
| | - Motaz Hamed
- Department of Neurosurgery, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Inja Ilic
- Department of Neurosurgery, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Anna-Laura Potthoff
- Department of Neurosurgery, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Attila Racz
- Department of Epileptology, University Hospital Bonn, Bonn, Germany
| | - Niklas Schäfer
- Division of Clinical Oncology, Department of Neurology, University Hospital Bonn, Bonn, Germany
| | - Erdem Güresir
- Department of Neurosurgery, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Rainer Surges
- Department of Epileptology, University Hospital Bonn, Bonn, Germany
| | - Ulrich Herrlinger
- Division of Clinical Oncology, Department of Neurology, University Hospital Bonn, Bonn, Germany
| | - Hartmut Vatter
- Department of Neurosurgery, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Matthias Schneider
- Department of Neurosurgery, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Patrick Schuss
- Department of Neurosurgery, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
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18
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You G, Sha Z, Jiang T. Clinical Diagnosis and Perioperative Management of Glioma-Related Epilepsy. Front Oncol 2021; 10:550353. [PMID: 33520690 PMCID: PMC7841407 DOI: 10.3389/fonc.2020.550353] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Accepted: 11/24/2020] [Indexed: 12/16/2022] Open
Abstract
Gliomas account for more than half of all adult primary brain tumors. Epilepsy is the most common initial clinical presentation in gliomas. Glioma related epilepsy (GRE) is defined as symptomatic epileptic seizures secondary to gliomas, occurring in nearly 50% in high-grade glioma (HGG) patients and up to 90% in patients with low-grade glioma (LGG). Uncontrolled seizures, which have major impact on patients’ quality of life, are caused by multiple factors. Although the anti-seizure medications (ASMs), chemotherapy and radiation therapy are also beneficial for seizure treatment, the overall seizure control for GRE continue to be unsatisfactory. Due to the close relationship between GRE and glioma, surgical resection is often the treatment of choice not only for the tumor treatment, but also for the seizure control. Despite aggressive surgical treatment, there are about 30% of patients continue to have poor seizure control postoperatively. Furthermore, the diagnostic criteria for GRE is not well established. In this review, we propose an algorithm for the diagnosis and perioperative management for GRE.
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Affiliation(s)
- Gan You
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Zhiyi Sha
- Department of Neurology, Medical School, University of Minnesota, Minneapolis, MN, United States
| | - Tao Jiang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
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19
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Han W, Yu F, Cao J, Dong B, Guan W, Shi J. Valproic Acid Enhanced Apoptosis by Promoting Autophagy Via Akt/mTOR Signaling in Glioma. Cell Transplant 2020; 29:963689720981878. [PMID: 33356493 PMCID: PMC7873763 DOI: 10.1177/0963689720981878] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Glioma is the most common malignant tumor in the central nervous system with a poor median survival. Valproic acid (VPA), a widely used antiepileptic drug, has been found to have antitumor effects on gliomas, but its role still has not been determined. In this study, we investigated VPA-induced apoptotic and autophagic effects on human U251 and SNB19 cells by cell counting kit-8 assay, flow cytometry, terminal deoxynucleotidyl transferase-mediated nick end labeling staining, western blots, and immunofluorescence assay in vitro, and then we further explored the role of autophagy in apoptosis by using the selective antagonist MHY1485. The data showed that VPA inhibited U251 and SNB19 glioma cells viability in a dose-dependent and time-dependent manner and induced apoptosis through the mitochondria-dependent pathway in vitro. In addition, VPA activated the Akt/mTOR pathway by decreasing their protein phosphorylation to promote cellular apoptosis. Surprisingly, the mTOR agonist MHY1485, causing a strong elevation of mTOR activity, partially reduced apoptosis ratio, which supposing that the autophagy of VPA is involved in the regulation of apoptosis. These findings suggest that VPA enhanced apoptosis by promoting autophagy via Akt/mTOR signaling in glioma, which could be further evaluated as a reliable therapy for glioma.
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Affiliation(s)
- Wei Han
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, China.,Both the authors contributed equally to this article
| | - Fan Yu
- Department of Endocrinology, The Third Affiliated Hospital of Soochow University, Changzhou, China.,Both the authors contributed equally to this article
| | - Jiachao Cao
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Bo Dong
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Wei Guan
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Jia Shi
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, China
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20
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Wang D, Liu J, Chen Q, Yang R, Jiang Q. Upregulation of glutaminase 2 and neutrophil cytosolic factor 2 is associated with the poor prognosis of glioblastoma. Biomark Med 2020; 14:1585-1597. [PMID: 33179520 DOI: 10.2217/bmm-2020-0341] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Background: This study aimed to identify glioblastoma prognosis-associated genes with potential diagnosis or prognosis values using integrated bioinformatics analysis. Results: In total, 1831 differentially expressed genes (DEGs) between the glioblastoma and control samples were identified and were clustered into seven weighed gene co-expression network analysis (WGCNA) modules. These DEGs were associated with different functional categories and pathways. Nine prognosis-associated DEGs (including glutaminase 2 [GLS2] and neutrophil cytosolic factor 2 [NCF2]) were identified, and the higher expression levels of GLS2 and NCF2 genes were associated with the poor prognosis of glioblastoma in 'The Cancer Genome Atlas' cohort and a clinical cohort. Conclusion: These results showed that the two genes play novel roles in the etiological and development of glioblastoma.
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Affiliation(s)
- Dong Wang
- Department of Neurosurgery, Ganzhou People's Hospital, Ganzhou 341000, China
| | - Jun Liu
- Department of Neurosurgery, Ganzhou People's Hospital, Ganzhou 341000, China
| | - Qiang Chen
- Department of Neurosurgery, Ganzhou People's Hospital, Ganzhou 341000, China
| | - RuiJin Yang
- Department of Neurosurgery, Ganzhou People's Hospital, Ganzhou 341000, China
| | - Qiuhua Jiang
- Department of Neurosurgery, Ganzhou People's Hospital, Ganzhou 341000, China
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21
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Roh TH, Moon JH, Park HH, Kim EH, Hong CK, Kim SH, Kang SG, Chang JH. Association between survival and levetiracetam use in glioblastoma patients treated with temozolomide chemoradiotherapy. Sci Rep 2020; 10:10783. [PMID: 32612203 PMCID: PMC7330022 DOI: 10.1038/s41598-020-67697-w] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Accepted: 05/29/2020] [Indexed: 12/22/2022] Open
Abstract
This study was conducted to assess whether levetiracetam (LEV) affects the survival of patients with glioblastoma (GBM) treated with concurrent temozolomide (TMZ) chemotherapy. To this end, from 2004 to 2016, 322 patients with surgically resected and pathologically confirmed isocitrate dehydrogenase (IDH)-wildtype GBM who received TMZ-based chemoradiotherapy were analysed. The patients were divided into two groups based on whether LEV was used as an anticonvulsant both at the time of surgery and the first visit thereafter. The median overall survival (OS) and progression-free survival (PFS) were compared between the groups. The OS was 21.1 and 17.5 months in the LEV (+) and LEV (−) groups, respectively (P = 0.003); the corresponding PFS was 12.3 and 11.2 months (P = 0.017). The other prognostic factors included age, extent of resection, O6-methylguanine-DNA methyltransferase (MGMT) promoter methylation status, and Karnofsky Performance Status (KPS) score. The multivariate analysis showed age (hazard ratio [HR], 1.02; P < 0.001), postoperative KPS score (HR 0.99; P = 0.002), complete tumour resection (HR 0.52; P < 0.001), MGMT promoter methylation (HR 0.75; P < 0.001), and LEV use (HR 0.72; P = 0.011) were significantly associated with OS. In conclusion, LEV use was associated with prolonged survival in patients with GBM treated with concurrent TMZ chemoradiotherapy.
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Affiliation(s)
- Tae Hoon Roh
- Department of Neurosurgery, Ajou University Hospital, Ajou University School of Medicine, Suwon, Republic of Korea
| | - Ju Hyung Moon
- Department of Neurosurgery, Severance Hospital, Yonsei University College of Medicine, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Hun Ho Park
- Department of Neurosurgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Eui Hyun Kim
- Department of Neurosurgery, Severance Hospital, Yonsei University College of Medicine, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Chang-Ki Hong
- Department of Neurosurgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Se Hoon Kim
- Department of Pathology, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Seok-Gu Kang
- Department of Neurosurgery, Severance Hospital, Yonsei University College of Medicine, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Jong Hee Chang
- Department of Neurosurgery, Severance Hospital, Yonsei University College of Medicine, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea.
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Krauze AV, Megan M, Theresa CZ, Peter M, Shih JH, Tofilon PJ, Rowe L, Gilbert M, Camphausen K. The addition of Valproic acid to concurrent radiation therapy and temozolomide improves patient outcome: a Correlative analysis of RTOG 0525, SEER and a Phase II NCI trial. CANCER STUDIES AND THERAPEUTICS 2020; 5:10.31038/cst.2020511. [PMID: 34621499 PMCID: PMC8494241 DOI: 10.31038/cst.2020511] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
PURPOSE/OBJECTIVES Valproic Acid (VPA) is an antiepileptic agent with HDACi (histone deacetylase inhibitor) activity shown to radiosensitize glioblastoma (GBM) cells. We evaluated the addition of VPA to standard radiation therapy (RT) and temozolomide (TMZ) in an open-label, phase II study (NCI-06-C-0112). The intent of the current study was to compare our patient outcomes with modern era standard of care data (RTOG 0525) and general population data (SEER 2006-2013). MATERIALS/METHODS 37 patients with newly diagnosed GBM were treated in a phase II NCI trial with daily VPA (25 mg/kg) in addition to concurrent RT and TMZ (2006 - 2013) and 411 patients with newly diagnosed GBM were treated in the standard TMZ dose arm of RTOG 0525 (2006 - 2008). Using the SEER database, adult patients (age > 15) with diagnostic codes 9440-9443 (third edition (IDC-O-3) diagnosed between 2006 - 2013 were identified and 6083 were included in the analysis. Kaplan-Meier method was used to estimate OS and PFS. The effect of patient characteristics and clinical factors on OS and PFS was analyzed using univariate analysis and a Cox regression model. A landmark analysis was performed to correlate recurrence to OS and conditional probabilities of surviving an additional 12 months at diagnosis, 6, 12, 18, 24 and 30 months were calculated for both the trial data and the SEER data. RESULTS Updated median OS in the NCI cohort was 30.9m (22.2- 65.6m), compared to RTOG 0525 18.9m (16.8-20.3m) (p= 0.007) and the SEER cohort of 11m. Median PFS in the NCI cohort was 11.1m (6.6 - 49.6m) compared to RTOG 0525 with a median PFS of 7.5m (6.9-8.2m) (p = 0.004). Younger age, class V RPA and MGMT status were significant for PFS in both the NCI cohort and the RTOG 0525 cohort, in addition KPS was also significant for OS. In comparison to RTOG 0525, the population in the NCI cohort had a more favorable KPS and RPA, and a higher proportion of patients receiving bevacizumab after protocol therapy however with the exception of RPA (V) (8% vs 18%) (0.026), the effects of these factors on PFS and OS were not significantly different between the two cohorts. CONCLUSION Previously reported improvements in PFS and OS with the addition of VPA to concurrent RT and TMZ in the NCI phase II study were confirmed by comparison to both a trial population receiving standard of care (RTOG 0525) and a contemporary SEER cohort. These results provide further justification of a phase III trial of VPA/RT/TMZ.
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Affiliation(s)
- A V Krauze
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, NIH, 9000 Rockville Pike, Building 10, CRC, Bethesda, MD 20892, USA
| | - Mackey Megan
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, NIH, 9000 Rockville Pike, Building 10, CRC, Bethesda, MD 20892, USA
| | - Cooley-Zgela Theresa
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, NIH, 9000 Rockville Pike, Building 10, CRC, Bethesda, MD 20892, USA
| | - Mathen Peter
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, NIH, 9000 Rockville Pike, Building 10, CRC, Bethesda, MD 20892, USA
| | - J H Shih
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, NIH, 9000 Rockville Pike, Building 10, CRC, Bethesda, MD 20892, USA
| | - P J Tofilon
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, NIH, 9000 Rockville Pike, Building 10, CRC, Bethesda, MD 20892, USA
| | - L Rowe
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, NIH, 9000 Rockville Pike, Building 10, CRC, Bethesda, MD 20892, USA
| | - M Gilbert
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, NIH, 9000 Rockville Pike, Building 10, CRC, Bethesda, MD 20892, USA
| | - K Camphausen
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, NIH, 9000 Rockville Pike, Building 10, CRC, Bethesda, MD 20892, USA
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23
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Maschio M, Aguglia U, Avanzini G, Banfi P, Buttinelli C, Capovilla G, Casazza MML, Colicchio G, Coppola A, Costa C, Dainese F, Daniele O, De Simone R, Eoli M, Gasparini S, Giallonardo AT, La Neve A, Maialetti A, Mecarelli O, Melis M, Michelucci R, Paladin F, Pauletto G, Piccioli M, Quadri S, Ranzato F, Rossi R, Salmaggi A, Terenzi R, Tisei P, Villani F, Vitali P, Vivalda LC, Zaccara G, Zarabla A, Beghi E. Management of epilepsy in brain tumors. Neurol Sci 2019; 40:2217-2234. [PMID: 31392641 DOI: 10.1007/s10072-019-04025-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 07/20/2019] [Indexed: 12/15/2022]
Abstract
Epilepsy in brain tumors (BTE) may require medical attention for a variety of unique concerns: epileptic seizures, possible serious adverse effects of antineoplastic and antiepileptic drugs (AEDs), physical disability, and/or neurocognitive disturbances correlated to tumor site. Guidelines for the management of tumor-related epilepsies are lacking. Treatment is not standardized, and overall management might differ according to different specialists. The aim of this document was to provide directives on the procedures to be adopted for a correct diagnostic-therapeutic path of the patient with BTE, evaluating indications, risks, and benefits. A board comprising neurologists, epileptologists, neurophysiologists, neuroradiologists, neurosurgeons, neuro-oncologists, neuropsychologists, and patients' representatives was formed. The board converted diagnostic and therapeutic problems into seventeen questions. A literature search was performed in September-October 2017, and a total of 7827 unique records were retrieved, of which 148 constituted the core literature. There is no evidence that histological type or localization of the brain tumor affects the response to an AED. The board recommended to avoid enzyme-inducing antiepileptic drugs because of their interference with antitumoral drugs and consider as first-choice newer generation drugs (among them, levetiracetam, lamotrigine, and topiramate). Valproic acid should also be considered. Both short-term and long-term prophylaxes are not recommended in primary and metastatic brain tumors. Management of seizures in patients with BTE should be multidisciplinary. The panel evidenced conflicting or lacking data regarding the role of EEG, the choice of therapeutic strategy, and timing to withdraw AEDs and recommended high-quality long-term studies to standardize BTE care.
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Affiliation(s)
- Marta Maschio
- Center for Brain Tumor-Related Epilepsy, UOSD Neuro-Oncology, I.R.C.C.S. Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144, Rome, Italy.
| | - Umberto Aguglia
- Department of Medical and Surgical Sciences, Magna Graecia University of Catanzaro, Catanzaro, Italy
| | - Giuliano Avanzini
- Department of Neurophysiology and Experimental Epileptology, Carlo Besta Neurological Institute, Milan, Italy
| | - Paola Banfi
- Neurology Unit, Department of Emergency, Medicine Epilepsy Center, Circolo Hospital, Varese, Italy
| | - Carla Buttinelli
- Department of Neuroscience, Mental Health and Sensory Organs, University of Rome "La Sapienza", Rome, Italy
| | - Giuseppe Capovilla
- Department of Mental Health, Epilepsy Center, C. Poma Hospital, Mantua, Italy
| | | | - Gabriella Colicchio
- Institute of Neurosurgery, Catholic University of the Sacred Heart, Rome, Italy
| | - Antonietta Coppola
- Department of Neuroscience, Reproductive and Odontostomatological Sciences, Epilepsy Centre, University of Naples Federico II, Naples, Italy
| | - Cinzia Costa
- Neurological Clinic, Department of Medicine, Santa Maria della Misericordia Hospital, University of Perugia, Perugia, Italy
| | - Filippo Dainese
- Epilepsy Centre, UOC Neurology, SS. Giovanni e Paolo Hospital, Venice, Italy
| | - Ornella Daniele
- Epilepsy Center-U.O.C. Neurology, Policlinico Paolo Giaccone, Experimental Biomedicine and Clinical Neuroscience Department (BioNeC), University of Palermo, Palermo, Italy
| | - Roberto De Simone
- Neurology and Stroke Unit, Epilepsy and Sleep Disorders Center, St. Eugenio Hospital, Rome, Italy
| | - Marica Eoli
- Molecular Neuro-Oncology Unit, IRCCS-Fondazione Istituto Neurologico Carlo Besta, Milan, Italy
| | - Sara Gasparini
- Department of Medical and Surgical Sciences, Magna Graecia University of Catanzaro, Catanzaro, Italy
| | | | - Angela La Neve
- Department of Neurological and Psychiatric Sciences, Centre for Epilepsy, University of Bari, Bari, Italy
| | - Andrea Maialetti
- Center for Brain Tumor-Related Epilepsy, UOSD Neuro-Oncology, I.R.C.C.S. Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144, Rome, Italy
| | - Oriano Mecarelli
- Neurology Unit, Human Neurosciences Department, Sapienza University, Umberto 1 Hospital, Rome, Italy
| | - Marta Melis
- Department of Medical Sciences and Public Health, Institute of Neurology, University of Cagliari, Monserrato, Cagliari, Italy
| | - Roberto Michelucci
- Unit of Neurology, Bellaria Hospital, IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
| | - Francesco Paladin
- Epilepsy Center, UOC Neurology, Ospedale Santi Giovanni e Paolo, Venice, Italy
| | - Giada Pauletto
- Department of Neurosciences, Santa Maria della Misericordia University Hospital, Udine, Italy
| | - Marta Piccioli
- UOC Neurology, PO San Filippo Neri, ASL Roma 1, Rome, Italy
| | - Stefano Quadri
- USC Neurology, Epilepsy Center, ASST Papa Giovanni XXIII, Bergamo, Italy
| | - Federica Ranzato
- Epilepsy Centre, Neuroscience Department, S. Bortolo Hospital, Vicenza, Italy
| | - Rosario Rossi
- Neurology and Stroke Unit, San Francesco Hospital, 08100, Nuoro, Italy
| | | | - Riccardo Terenzi
- Epilepsy Consultation Room, Neurology Unit, S. Pietro Fatebenefratelli Hospital, Rome, Italy
| | - Paolo Tisei
- Neurophysiology Unit, Department of Neurology-University "La Sapienza", S. Andrea Hospital, Rome, Italy
| | - Flavio Villani
- Clinical Epileptology and Experimental Neurophysiology Unit, Fondazione IRCCS, Istituto Neurologico C. Besta, Milan, Italy
| | - Paolo Vitali
- Neuroradiology and Brain MRI 3T Mondino Research Center, IRCCS Mondino Foundation, Pavia, Italy
| | | | - Gaetano Zaccara
- Regional Health Agency of Tuscany, Via P Dazzi 1, 50141, Florence, Italy
| | - Alessia Zarabla
- Center for Brain Tumor-Related Epilepsy, UOSD Neuro-Oncology, I.R.C.C.S. Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144, Rome, Italy
| | - Ettore Beghi
- Department of Neurosciences, IRCCS Istituto di Ricerche Farmacologiche Mario Negri, Milan, Italy
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Samudra N, Zacharias T, Plitt A, Lega B, Pan E. Seizures in glioma patients: An overview of incidence, etiology, and therapies. J Neurol Sci 2019; 404:80-85. [PMID: 31352293 DOI: 10.1016/j.jns.2019.07.026] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 06/24/2019] [Accepted: 07/18/2019] [Indexed: 12/19/2022]
Abstract
Gliomas are fatal brain tumors, and even low-grade gliomas (LGGs) have an average survival of less than a decade. Seizures are a common presentation of gliomas, particularly LGGs, and substantially impact quality of life. Glioma-related seizures differ from other focal epilepsies in their pathogenesis and in the likelihood of refractory epilepsy. We review factors that predict seizure activity and response to treatment, optimal pharmacologic and surgical management of glioma-related epilepsy, and the benefit of using newer anti-seizure medications in patients with gliomas. As surgery is so often beneficial with seizure reduction, we discuss oncologic and epilepsy surgery perspectives. Treatment of gliomas has the potential to ameliorate seizures and increase rates of seizure freedom. Prospective, well-powered studies are needed to provide more definitive answers for practitioners taking care of glioma patients with seizures.
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Affiliation(s)
- Niyatee Samudra
- Department of Neurology and Neurotherapeutics, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390, USA
| | - Tresa Zacharias
- Department of Neurology and Neurotherapeutics, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390, USA
| | - Aaron Plitt
- Department of Neurosurgery, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390, USA
| | - Bradley Lega
- Department of Neurosurgery, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390, USA
| | - Edward Pan
- Department of Neurology and Neurotherapeutics, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390, USA.
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25
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Julie DAR, Ahmed Z, Karceski SC, Pannullo SC, Schwartz TH, Parashar B, Wernicke AG. An overview of anti-epileptic therapy management of patients with malignant tumors of the brain undergoing radiation therapy. Seizure 2019; 70:30-37. [PMID: 31247400 DOI: 10.1016/j.seizure.2019.06.019] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 05/28/2019] [Accepted: 06/12/2019] [Indexed: 01/01/2023] Open
Abstract
As our surgical, radiation, chemotherapeutic and supportive therapies for brain malignancies improve, and overall survival is prolonged, appropriate symptom management in this patient population becomes increasingly important. This review summarizes the published literature and current practice patterns regarding prophylactic and perioperative anti-epileptic drug use. As a wide range of anti-epileptic drugs is now available to providers, evidence guiding appropriate anticonvulsant choice is reviewed. A particular focus of this article is radiation therapy for brain malignancies. Toxicities and seizure risk associated with cranial irradiation will be discussed. Epilepsy management in patients undergoing radiation for gliomas, glioblastoma multiforme, and brain metastases will be addressed. An emerging but inconsistent body of evidence, reviewed here, indicates that anti-epileptic medications may increase radiosensitivity, and therefore improve clinical outcomes, specifically in glioblastoma multiforme patients.
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Affiliation(s)
- Diana A R Julie
- Department of Radiation Oncology, Weill Medical College of Cornell University, New York, NY, United States
| | | | - Stephen C Karceski
- Department of Neurology, Weill Medical College of Cornell University, New York, NY, United States
| | - Susan C Pannullo
- Department of Neurosurgery, Weill Medical College of Cornell University, New York, NY, United States
| | - Theodore H Schwartz
- Department of Neurosurgery, Weill Medical College of Cornell University, New York, NY, United States
| | - Bhupesh Parashar
- Department of Radiation Oncology, Northwell Health, New Hyde Park, NY, United States
| | - A Gabriella Wernicke
- Department of Radiation Oncology, Weill Medical College of Cornell University, New York, NY, United States; Department of Neurosurgery, Weill Medical College of Cornell University, New York, NY, United States.
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26
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Emerging therapeutic potential of anti-psychotic drugs in the management of human glioma: A comprehensive review. Oncotarget 2019; 10:3952-3977. [PMID: 31231472 PMCID: PMC6570463 DOI: 10.18632/oncotarget.26994] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Accepted: 05/13/2019] [Indexed: 12/12/2022] Open
Abstract
Despite numerous advancements in the last decade, human gliomas such as astrocytoma and glioblastoma multiforme have the worst prognoses among all cancers. Anti-psychotic drugs are commonly prescribed to treat mental disorders among cancer patients, and growing empirical evidence has revealed their antitumor, anti-metastatic, anti-angiogenic, anti-proliferative, chemo-preventive, and neo-adjuvant efficacies in various in vitro, in vivo, and clinical glioma models. Anti-psychotic drugs have drawn the attention of physicians and researchers owing to their beneficial effects in the prevention and treatment of gliomas. This review highlights data on the therapeutic potential of various anti-psychotic drugs as anti-proliferative, chemopreventive, and anti-angiogenic agents in various glioma models via the modulation of upstream and downstream molecular targets involved in apoptosis, autophagy, oxidative stress, inflammation, and the cell cycle in in vitro and in vivo preclinical and clinical stages among glioma patients. The ability of anti-psychotic drugs to modulate various signaling pathways and multidrug resistance-conferring proteins that enhance the efficacy of chemotherapeutic drugs with low side-effects exemplifies their great potential as neo-adjuvants and potential chemotherapeutics in single or multimodal treatment approach. Moreover, anti-psychotic drugs confer the ability to induce glioma into oligodendrocyte-like cells and neuronal-like phenotype cells with reversal of epigenetic alterations through inhibition of histone deacetylase further rationalize their use in glioma treatment. The improved understanding of anti-psychotic drugs as potential chemotherapeutic drugs or as neo-adjuvants will provide better information for their use globally as affordable, well-tolerated, and effective anticancer agents for human glioma.
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27
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Stepanenko AA, Chekhonin VP. Recent Advances in Oncolytic Virotherapy and Immunotherapy for Glioblastoma: A Glimmer of Hope in the Search for an Effective Therapy? Cancers (Basel) 2018; 10:E492. [PMID: 30563098 PMCID: PMC6316815 DOI: 10.3390/cancers10120492] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 11/19/2018] [Accepted: 11/29/2018] [Indexed: 02/06/2023] Open
Abstract
To date, no targeted drugs, antibodies or combinations of chemotherapeutics have been demonstrated to be more efficient than temozolomide, or to increase efficacy of standard therapy (surgery, radiotherapy, temozolomide, steroid dexamethasone). According to recent phase III trials, standard therapy may ensure a median overall survival of up to 18⁻20 months for adult patients with newly diagnosed glioblastoma. These data explain a failure of positive non-controlled phase II trials to predict positive phase III trials and should result in revision of the landmark Stupp trial as a historical control for median overall survival in non-controlled trials. A high rate of failures in clinical trials and a lack of effective chemotherapy on the horizon fostered the development of conceptually distinct therapeutic approaches: dendritic cell/peptide immunotherapy, chimeric antigen receptor (CAR) T-cell therapy and oncolytic virotherapy. Recent early phase trials with the recombinant adenovirus DNX-2401 (Ad5-delta24-RGD), polio-rhinovirus chimera (PVSRIPO), parvovirus H-1 (ParvOryx), Toca 511 retroviral vector with 5-fluorocytosine, heat shock protein-peptide complex-96 (HSPPC-96) and dendritic cell vaccines, including DCVax-L vaccine, demonstrated that subsets of patients with glioblastoma/glioma may benefit from oncolytic virotherapy/immunotherapy (>3 years of survival after treatment). However, large controlled trials are required to prove efficacy of next-generation immunotherapeutics and oncolytic vectors.
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Affiliation(s)
- Aleksei A Stepanenko
- Department of Fundamental and Applied Neurobiology, V. P. Serbsky National Medical Research Center for Psychiatry and Narcology, the Ministry of Health of the Russian Federation, Kropotkinsky lane 23, 119034 Moscow, Russia.
| | - Vladimir P Chekhonin
- Department of Fundamental and Applied Neurobiology, V. P. Serbsky National Medical Research Center for Psychiatry and Narcology, the Ministry of Health of the Russian Federation, Kropotkinsky lane 23, 119034 Moscow, Russia.
- Department of Medical Nanobiotechnologies, Medico-Biological Faculty, N. I. Pirogov Russian National Research Medical University, the Ministry of Health of the Russian Federation, Ostrovitianov str. 1, 117997 Moscow, Russia.
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Abstract
During cancer progression, tumor cells interact with the neighboring environment, including neuronal tissue. The important influence of the nervous system on growth and metastasis of cancer is now widely accepted. As such, using medications that traditionally target the nervous system may be an avenue toward treating cancer. The focus of this review is to detail how several classes of medications, traditionally used to treat nervous system disorders, impact cancer. Specifically, we review the preclinical and clinical evidence that support the use of anti-β-adrenergic, anticholinergic, antipsychotic, and antidepressant medications to treat some cancers. In addition, we discuss the use of ablative modalities, such as physical and chemical denervation, to treat cancer or protect against cancer development. Using the medications that target the nervous system to treat cancer is a promising addition to an existing therapy or an alternative treatment strategy. Furthermore, rapidly expanding basic science research in this area will likely yield novel cancer therapies that work by targeting the nervous system.
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29
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The survival effect of valproic acid in glioblastoma and its current trend: a systematic review and meta-analysis. Clin Neurol Neurosurg 2018; 174:149-155. [PMID: 30243186 DOI: 10.1016/j.clineuro.2018.09.019] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 09/03/2018] [Accepted: 09/12/2018] [Indexed: 12/15/2022]
Abstract
Glioblastoma (GBM) can often present with seizure. Attempts have been made to associate the use of anti-epileptic medication valproic acid (VPA) in standard of care management with survival benefit in the past; however, results to date have been conflicting, and most likely subjected to historical bias. This study aimed to quantify the overall survival (OS) effect of VPA in patients with GBM based on the current literature, and identify potential trend-modifying covariates. Searches of 7 electronic databases from inception to April 2018 were conducted following the appropriate guidelines. Hazard ratios (HRs) derived from Cox proportional hazard models, and mean differences (MDs), were analyzed using the random effects model. Meta-regression was used to identify potential trend-modifying covariates. Seven retrospective cohort studies satisfied selection criteria describing 2181 primary GBM diagnoses, with 534 (24%) receiving VPA in their treatment. Overall, VPA was shown to confer a statistically significant OS advantage (HR, 0.71; 95% CI, 0.56-0.91; p < 0.01) compared to the control group by up to 2.4 months (95% CI, 1.51-3.21; p < 0.01). However, upon meta-regression, this survival advantage as inferred by HRs trended towards the null in newer studies (slope, 1.15; p = 0.02) or in studies with older participants (slope, 1.13; p = 0.02). A similar result was seen with MDs. Based on the literature to date, VPA was significantly associated with better OS in GBM patients by 2.4 months when managed by current standard of care. However, this effect was particularly emphasized among older studies or studies conducted in younger participants indicating the need to exercise caution in assuming generalizability of the pooled effect. Overall, there is considerable bias risks in the current interpretation of the literature, and larger, prospective studies are required for validating our findings.
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30
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Shah RR, Stonier PD. Repurposing old drugs in oncology: Opportunities with clinical and regulatory challenges ahead. J Clin Pharm Ther 2018; 44:6-22. [PMID: 30218625 DOI: 10.1111/jcpt.12759] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 08/08/2018] [Accepted: 08/19/2018] [Indexed: 12/11/2022]
Abstract
WHAT IS KNOWN AND OBJECTIVE In order to expedite the availability of drugs to treat cancers in a cost-effective manner, repurposing of old drugs for oncological indications is gathering momentum. Revolutionary advances in pharmacology and genomics have demonstrated many old drugs to have activity at novel antioncogenic pharmacological targets. We decided to investigate whether prospective studies support the promises of nonclinical and retrospective clinical studies on repurposing three old drugs, namely metformin, valproate and astemizole. METHODS We conducted an extensive literature search through PubMed to gather representative nonclinical and retrospective clinical studies that investigated the potential repurposing of these three drugs for oncological indications. We then searched for prospective studies aimed at confirming the promises of retrospective data. RESULTS AND DISCUSSION While evidence from nonclinical and retrospective clinical studies with these drugs appears highly promising, large scale prospective studies are either lacking or have failed to substantiate this promise. We provide a brief discussion of some of the challenges in repurposing. Principal challenges and obstacles relate to heterogeneity of cancers studied without considering their molecular signatures, trials with small sample size and short duration, failure consider issues of ethnicity of study population and effective antioncogenic doses of the drug studied. WHAT IS NEW AND CONCLUSION Well-designed prospective studies demonstrating efficacy are required for repurposing old drugs for oncology indications, just as they are for new chemical entities for any indication. Early and ongoing interactions with regulatory authorities are invaluable. We outline a tentative framework for a structured approach to repurposing old drugs for novel indications in oncology.
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Affiliation(s)
- Rashmi R Shah
- Pharmaceutical Consultant, Gerrards Cross, Buckinghamshire, UK
| | - Peter D Stonier
- Department of Pharmaceutical Medicine, School of Cancer and Pharmaceutical Sciences, Faculty of Life Sciences and Medicine, King's College, London, UK
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31
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Derks J, Wesseling P, Carbo EWS, Hillebrand A, van Dellen E, de Witt Hamer PC, Klein M, Schenk GJ, Geurts JJG, Reijneveld JC, Douw L. Oscillatory brain activity associates with neuroligin-3 expression and predicts progression free survival in patients with diffuse glioma. J Neurooncol 2018; 140:403-412. [PMID: 30094719 PMCID: PMC6244774 DOI: 10.1007/s11060-018-2967-5] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Accepted: 08/01/2018] [Indexed: 01/17/2023]
Abstract
Introduction Diffuse gliomas have local and global effects on neurophysiological brain functioning, which are often seen as ‘passive’ consequences of the tumor. However, seminal preclinical work has shown a prominent role for neuronal activity in glioma growth: mediated by neuroligin-3 (NLGN3), increased neuronal activity causes faster glioma growth. It is unclear whether the same holds true in patients. Here, we investigate whether lower levels of oscillatory brain activity relate to lower NLGN3 expression and predict longer progression free survival (PFS) in diffuse glioma patients. Methods Twenty-four newly diagnosed patients with diffuse glioma underwent magnetoencephalography and subsequent tumor resection. Oscillatory brain activity was approximated by calculating broadband power (0.5–48 Hz) of the magnetoencephalography. NLGN3 expression in glioma tissue was semi-quantitatively assessed by immunohistochemistry. Peritumor and global oscillatory brain activity was then compared between different levels of NLGN3 expression with Kruskal–Wallis tests. Cox proportional hazards analyses were performed to estimate the predictive value of oscillatory brain activity for PFS. Results Patients with low expression of NLGN3 had lower levels of global oscillatory brain activity than patients with higher NLGN3 expression (P < 0.001). Moreover, lower peritumor (hazard ratio 2.17, P = 0.008) and global oscillatory brain activity (hazard ratio 2.10, P = 0.008) predicted longer PFS. Conclusions Lower levels of peritumor and global oscillatory brain activity are related to lower NLGN3 expression and longer PFS, corroborating preclinical research. This study highlights the important interplay between macroscopically measured brain activity and glioma progression, and may lead to new therapeutic interventions in diffuse glioma patients. Electronic supplementary material The online version of this article (10.1007/s11060-018-2967-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Jolanda Derks
- Department of Anatomy & Neurosciences, VU University Medical Center, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands.,VUmc CCA Brain Tumor Center Amsterdam, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
| | - Pieter Wesseling
- VUmc CCA Brain Tumor Center Amsterdam, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands.,Department of Pathology, VU University Medical Center, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands.,Department of Pathology, Princess Máxima Center for Pediatric Oncology and University Medical Center Utrecht, Lundlaan 6, 3584 EA, Utrecht, The Netherlands
| | - Ellen W S Carbo
- Department of Anatomy & Neurosciences, VU University Medical Center, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
| | - Arjan Hillebrand
- Department of Clinical Neurophysiology and MEG Center, VU University Medical Center, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
| | - Edwin van Dellen
- Department of Psychiatry, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands.,Brain Center Rudolf Magnus, Universiteitsweg 100, 3584 CG, Utrecht, The Netherlands
| | - Philip C de Witt Hamer
- Department of Neurosurgery, Neuroscience Campus Amsterdam, VU University Medical Center, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
| | - Martin Klein
- Department of Medical Psychology, VU University Medical Center, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
| | - Geert J Schenk
- Department of Anatomy & Neurosciences, VU University Medical Center, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
| | - Jeroen J G Geurts
- Department of Anatomy & Neurosciences, VU University Medical Center, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
| | - Jaap C Reijneveld
- Department of Neurology, Neuroscience Campus Amsterdam, VU University Medical Center, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
| | - Linda Douw
- Department of Anatomy & Neurosciences, VU University Medical Center, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands. .,VUmc CCA Brain Tumor Center Amsterdam, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands. .,Athinoula A. Martinos Center for Biomedical Imaging/Massachusetts General Hospital, 149 13th St, Charlestown, MA, 02129, USA.
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Hoja S, Schulze M, Rehli M, Proescholdt M, Herold-Mende C, Hau P, Riemenschneider MJ. Molecular dissection of the valproic acid effects on glioma cells. Oncotarget 2018; 7:62989-63002. [PMID: 27556305 PMCID: PMC5325342 DOI: 10.18632/oncotarget.11379] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Accepted: 08/12/2016] [Indexed: 11/25/2022] Open
Abstract
Many glioblastoma patients suffer from seizures why they are treated with antiepileptic agents. Valproic acid (VPA) is a histone deacetylase inhibitor that apart from its anticonvulsive effects in some retrospective studies has been suggested to lead to a superior outcome of glioblastoma patients. However, the exact molecular effects of VPA treatment on glioblastoma cells have not yet been deciphered. We treated glioblastoma cells with VPA, recorded the functional effects of this treatment and performed a global and unbiased next generation sequencing study on the chromatin (ChIP) and RNA level. 1) VPA treatment clearly sensitized glioma cells to temozolomide: A protruding VPA-induced molecular feature in this context was the transcriptional upregulation/reexpression of numerous solute carrier (SLC) transporters that was also reflected by euchromatinization on the histone level and a reexpression of SLC transporters in human biopsy samples after VPA treatment. DNA repair genes were adversely reduced. 2) VPA treatment, however, also reduced cell proliferation in temozolomide-naive cells: On the molecular level in this context we observed a transcriptional upregulation/reexpression and euchromatinization of several glioblastoma relevant tumor suppressor genes and a reduction of stemness markers, while transcriptional subtype classification (mesenchymal/proneural) remained unaltered. Taken together, these findings argue for both temozolomide-dependent and -independent effects of VPA. VPA might increase the uptake of temozolomide and simultaneously lead to a less malignant glioblastoma phenotype. From a mere molecular perspective these findings might indicate a surplus value of VPA in glioblastoma therapy and could therefore contribute an additional ratio for clinical decision making.
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Affiliation(s)
- Sabine Hoja
- Department of Neuropathology, Regensburg University Hospital, Regensburg, Germany
| | - Markus Schulze
- Department of Neuropathology, Regensburg University Hospital, Regensburg, Germany
| | - Michael Rehli
- Department of Internal Medicine III, Regensburg University Hospital, Regensburg, Germany.,RCI Regensburg Centre for Interventional Immunology, Regensburg University Hospital, Regensburg, Germany
| | - Martin Proescholdt
- Department of Neurosurgery, Regensburg University Hospital, Regensburg, Germany.,Wilhelm Sander Neuro-Oncology Unit, Regensburg University Hospital, Regensburg, Germany
| | - Christel Herold-Mende
- Experimental Neurosurgery, Department of Neurosurgery, University of Heidelberg, Heidelberg, Germany
| | - Peter Hau
- Wilhelm Sander Neuro-Oncology Unit, Regensburg University Hospital, Regensburg, Germany.,Department of Neurology, Regensburg University, Regensburg, Germany
| | - Markus J Riemenschneider
- Department of Neuropathology, Regensburg University Hospital, Regensburg, Germany.,Wilhelm Sander Neuro-Oncology Unit, Regensburg University Hospital, Regensburg, Germany
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Valproic Acid Sensitizes Hepatocellular Carcinoma Cells to Proton Therapy by Suppressing NRF2 Activation. Sci Rep 2017; 7:14986. [PMID: 29118323 PMCID: PMC5678087 DOI: 10.1038/s41598-017-15165-3] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Accepted: 10/23/2017] [Indexed: 01/08/2023] Open
Abstract
Although efficacy of combined histone deacetylase (HDAC) inhibitors and conventional photon radiotherapy is being tested in clinical trials, their combined effect with proton beam radiotherapy has yet to be determined. Here, we compared combined effect of valproic acid (VPA), a class I and II HDAC inhibitor and antiepileptic drug with proton and photon irradiation in hepatocellular carcinoma (HCC) cells in vitro and in vivo. We found that VPA sensitized more Hep3B cells to proton than to photon irradiation. VPA prolonged proton-induced DNA damage and augmented proton-induced apoptosis. In addition, VPA further increased proton-induced production of intracellular reactive oxygen species and suppressed expression of nuclear factor erythroid-2-related factor 2 (NRF2), a key transcription factor regulating antioxidant response. Downregulation of NRF2 by siRNA transfection increased proton-induced apoptotic cell death, supporting NRF2 as a target of VPA in radiosensitization. In Hep3B tumor xenograft models, VPA significantly enhanced proton-induced tumor growth delay with increased apoptosis and decreased NRF2 expression in vivo. Collectively, our study highlights a proton radiosensitizing effect of VPA in HCC cells. As NRF2 is an emerging prognostic marker contributing to radioresistance in HCC, targeting NRF2 pathway may impact clinical outcome of proton beam radiotherapy.
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Chassoux F, Landre E. Prevention and management of postoperative seizures in neuro-oncology. Neurochirurgie 2017; 63:197-203. [PMID: 28599984 DOI: 10.1016/j.neuchi.2016.10.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Revised: 10/02/2016] [Accepted: 10/14/2016] [Indexed: 12/21/2022]
Abstract
INTRODUCTION Epilepsy related to brain tumors is often difficult to treat and may impact the quality of life. We performed a review of current recommendations for the prevention of postoperative seizures and optimizing the anti-epileptic treatment. MATERIAL AND METHODS Based on studies performed since 2000 we conducted the review by (1) analyzing the incidence of tumoral epilepsy and mechanisms of epileptogenicity; (2) describing the current medical and surgical strategy according to oncologic treatments; (3) discussing the management of postoperative seizures; (4) considering the drug withdrawal after oncologic therapy. RESULTS Epilepsy related to supra-tentorial brain tumors is frequent (40-60%) especially in low-grade gliomas, glioneuronal tumors, fronto-temporal and eloquent cortex locations. Seizures can occur as a presenting symptom or during the course of the tumor, including after surgery and oncological treatments. Maximal safe surgical resection is the more effective therapy, alone or combined with adjuvant therapy (chemotherapy, radiotherapy). Anti-epileptic drugs are not indicated for epilepsy prophylaxis in patients without seizures but only after the first seizure due to high risk of recurrence. As they may generate adverse effects and interfere with oncological treatments, the choice is based on efficacy, tolerability and potential interactions. New anti-epileptic non-enzyme-inducing drugs are recommended in first-line monotherapy in association with adjuvant oncological therapies. Enzyme-inhibiting drugs could have a favorable effect on survival. Late seizures are often related to tumor progression or recurrence. Discontinuation of anti-epileptic drugs could be considered after successful oncological treatment and a stable medical condition. CONCLUSION These guidelines are helpful for a rational therapy in tumoral epilepsy.
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Affiliation(s)
- F Chassoux
- Department of Neurosurgery, Sainte-Anne Hospital, 1, rue Cabanis, 75014 Paris, France; Paris-Descartes University, 75005 Paris, France.
| | - E Landre
- Department of Neurosurgery, Sainte-Anne Hospital, 1, rue Cabanis, 75014 Paris, France; Paris-Descartes University, 75005 Paris, France
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Killick-Cole CL, Singleton WGB, Bienemann AS, Asby DJ, Wyatt MJ, Boulter LJ, Barua NU, Gill SS. Repurposing the anti-epileptic drug sodium valproate as an adjuvant treatment for diffuse intrinsic pontine glioma. PLoS One 2017; 12:e0176855. [PMID: 28542253 PMCID: PMC5444593 DOI: 10.1371/journal.pone.0176855] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2016] [Accepted: 04/18/2017] [Indexed: 11/18/2022] Open
Abstract
Targeting epigenetic changes in diffuse intrinsic pontine glioma (DIPG) may provide a novel treatment option for patients. This report demonstrates that sodium valproate, a histone deacetylase inhibitor (HDACi), can increase the cytotoxicity of carboplatin in an additive and synergistic manner in DIPG cells in vitro. Sodium valproate causes a dose-dependent decrease in DIPG cell viability in three independent ex vivo cell lines. Furthermore, sodium valproate caused an increase in acetylation of histone H3. Changes in cell viability were consistent with an induction of apoptosis in DIPG cells in vitro, determined by flow cytometric analysis of Annexin V staining and assessment of apoptotic markers by western blotting. Subsequently, immunofluorescent staining of neuronal and glial markers was used to determine toxicity in normal rat hippocampal cells. Pre-treatment of cells with sodium valproate enhanced the cytotoxic effects of carboplatin, in three DIPG cell lines tested. These results demonstrate that sodium valproate causes increased histone H3 acetylation indicative of HDAC inhibition, which is inversely correlated with a reduction in cell viability. Cell viability is reduced through an induction of apoptosis in DIPG cells. Sodium valproate potentiates carboplatin cytotoxicity and prompts further work to define the mechanism responsible for the synergy between these two drugs and determine in vivo efficacy. These findings support the use of sodium valproate as an adjuvant treatment for DIPG.
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Affiliation(s)
- Clare L. Killick-Cole
- Functional Neurosurgery Research Group, School of Clinical Sciences, University of Bristol, Learning & Research Building, Southmead Hospital, Bristol, United Kingdom
- * E-mail: (SG); (CKC)
| | - William G. B. Singleton
- Functional Neurosurgery Research Group, School of Clinical Sciences, University of Bristol, Learning & Research Building, Southmead Hospital, Bristol, United Kingdom
- Department of Neurosurgery, North Bristol NHS Trust, Bristol, United Kingdom
| | - Alison S. Bienemann
- Functional Neurosurgery Research Group, School of Clinical Sciences, University of Bristol, Learning & Research Building, Southmead Hospital, Bristol, United Kingdom
| | - Daniel J. Asby
- Functional Neurosurgery Research Group, School of Clinical Sciences, University of Bristol, Learning & Research Building, Southmead Hospital, Bristol, United Kingdom
| | - Marcella J. Wyatt
- Functional Neurosurgery Research Group, School of Clinical Sciences, University of Bristol, Learning & Research Building, Southmead Hospital, Bristol, United Kingdom
| | - Lisa J. Boulter
- Functional Neurosurgery Research Group, School of Clinical Sciences, University of Bristol, Learning & Research Building, Southmead Hospital, Bristol, United Kingdom
| | - Neil U. Barua
- Functional Neurosurgery Research Group, School of Clinical Sciences, University of Bristol, Learning & Research Building, Southmead Hospital, Bristol, United Kingdom
- Department of Neurosurgery, North Bristol NHS Trust, Bristol, United Kingdom
| | - Steven S. Gill
- Functional Neurosurgery Research Group, School of Clinical Sciences, University of Bristol, Learning & Research Building, Southmead Hospital, Bristol, United Kingdom
- Department of Neurosurgery, North Bristol NHS Trust, Bristol, United Kingdom
- * E-mail: (SG); (CKC)
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El-Habr EA, Dubois LG, Burel-Vandenbos F, Bogeas A, Lipecka J, Turchi L, Lejeune FX, Coehlo PLC, Yamaki T, Wittmann BM, Fareh M, Mahfoudhi E, Janin M, Narayanan A, Morvan-Dubois G, Schmitt C, Verreault M, Oliver L, Sharif A, Pallud J, Devaux B, Puget S, Korkolopoulou P, Varlet P, Ottolenghi C, Plo I, Moura-Neto V, Virolle T, Chneiweiss H, Junier MP. A driver role for GABA metabolism in controlling stem and proliferative cell state through GHB production in glioma. Acta Neuropathol 2017; 133:645-660. [PMID: 28032215 PMCID: PMC5348560 DOI: 10.1007/s00401-016-1659-5] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2016] [Revised: 12/15/2016] [Accepted: 12/15/2016] [Indexed: 12/30/2022]
Abstract
Cell populations with differing proliferative, stem-like and tumorigenic states co-exist in most tumors and especially malignant gliomas. Whether metabolic variations can drive this heterogeneity by controlling dynamic changes in cell states is unknown. Metabolite profiling of human adult glioblastoma stem-like cells upon loss of their tumorigenicity revealed a switch in the catabolism of the GABA neurotransmitter toward enhanced production and secretion of its by-product GHB (4-hydroxybutyrate). This switch was driven by succinic semialdehyde dehydrogenase (SSADH) downregulation. Enhancing GHB levels via SSADH downregulation or GHB supplementation triggered cell conversion into a less aggressive phenotypic state. GHB affected adult glioblastoma cells with varying molecular profiles, along with cells from pediatric pontine gliomas. In all cell types, GHB acted by inhibiting α-ketoglutarate-dependent Ten–eleven Translocations (TET) activity, resulting in decreased levels of the 5-hydroxymethylcytosine epigenetic mark. In patients, low SSADH expression was correlated with high GHB/α-ketoglutarate ratios, and distinguished weakly proliferative/differentiated glioblastoma territories from proliferative/non-differentiated territories. Our findings support an active participation of metabolic variations in the genesis of tumor heterogeneity.
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Wang G, Wang JJ, Fu XL, Guang R, To SST. Advances in the targeting of HIF-1α and future therapeutic strategies for glioblastoma multiforme (Review). Oncol Rep 2016; 37:657-670. [PMID: 27959421 DOI: 10.3892/or.2016.5309] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Accepted: 09/09/2016] [Indexed: 11/06/2022] Open
Abstract
Cell metabolism can be reprogrammed by tissue hypoxia leading to cell transformation and glioblastoma multiforme (GBM) progression. In response to hypoxia, GBM cells are able to express a transcription factor called hypoxia inducible factor-1 (HIF-1). HIF-1 belongs to a family of heterodimeric proteins that includes HIF-1α and HIF-1β subunits. HIF-1α has been reported to play a pivotal role in GBM development and progression. In the present review, we discuss the role of HIF-1α in glucose uptake, cancer proliferation, cell mobility and chemoresistance in GBM. Evidence from previous studies indicates that HIF-1α regulates angiogenesis, metabolic and transcriptional signaling pathways. Examples of such are the EGFR, PI3K/Akt and MAPK/ERK pathways. It affects cell migration and invasion by regulating glucose metabolism and growth in GBM cells. The present review focuses on the strategies through which to target HIF-1α and the related downstream genes highlighting their regulatory roles in angiogenesis, apoptosis, migration and glucose metabolism for the development of future GBM therapeutics. Combined treatment with inhibitors of HIF-1α and glycolysis may enhance antitumor effects in clinical settings.
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Affiliation(s)
- Gang Wang
- Department of Hospital Pharmacy, Shanghai Eighth People's Hospital, Jiangsu University, Shanghai 200235, P.R. China
| | - Jun-Jie Wang
- Department of Hospital Pharmacy, Shanghai Eighth People's Hospital, Jiangsu University, Shanghai 200235, P.R. China
| | - Xing-Li Fu
- Department of Hospital Pharmacy, Shanghai Eighth People's Hospital, Jiangsu University, Shanghai 200235, P.R. China
| | - Rui Guang
- Department of Hospital Pharmacy, Shanghai Eighth People's Hospital, Jiangsu University, Shanghai 200235, P.R. China
| | - Shing-Shun Tony To
- Department of Health Technology and Informatics, Hong Kong Polytechnic University, Hung Hom, Kowloon Hong Kong, SAR, P.R. China
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Koekkoek JAF, Dirven L, Taphoorn MJB. The withdrawal of antiepileptic drugs in patients with low-grade and anaplastic glioma. Expert Rev Neurother 2016; 17:193-202. [PMID: 27484737 DOI: 10.1080/14737175.2016.1219250] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
INTRODUCTION The withdrawal of antiepileptic drugs (AEDs) in World Health Organization (WHO) grade II-III glioma patients with epilepsy is controversial, as the presence of a symptomatic lesion is often related to an increased risk of seizure relapse. However, some glioma patients may achieve long-term seizure freedom after antitumor treatment, raising questions about the necessity to continue AEDs, particularly when patients experience serious drug side effects. Areas covered: In this review, we show the evidence in the literature from 1990-2016 for AED withdrawal in glioma patients. We put this issue into the context of risk factors for developing seizures in glioma, adverse effects of AEDs, seizure outcome after antitumor treatment, and outcome after AED withdrawal in patients with non-brain tumor related epilepsy. Expert commentary: There is currently scarce evidence of the feasibility of AED withdrawal in glioma patients. AED withdrawal could be considered in patients with grade II-III glioma with a favorable prognosis, who have achieved stable disease and long-term seizure freedom. The potential benefits of AED withdrawal need to be carefully weighed against the presumed risk of seizure recurrence in a shared decision-making process by both the clinical physician and the patient.
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Affiliation(s)
- Johan A F Koekkoek
- a Department of Neurology , Leiden University Medical Center , Leiden , The Netherlands.,b Department of Neurology , Medical Center Haaglanden , The Hague , The Netherlands
| | - Linda Dirven
- a Department of Neurology , Leiden University Medical Center , Leiden , The Netherlands
| | - Martin J B Taphoorn
- a Department of Neurology , Leiden University Medical Center , Leiden , The Netherlands.,b Department of Neurology , Medical Center Haaglanden , The Hague , The Netherlands
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Effects of caffeine on cell viability and activity of histone deacetylase 1 and histone acetyltransferase in glioma cells. Tzu Chi Med J 2016; 28:103-108. [PMID: 28757735 PMCID: PMC5442913 DOI: 10.1016/j.tcmj.2016.06.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Revised: 05/10/2016] [Accepted: 06/03/2016] [Indexed: 12/15/2022] Open
Abstract
Objective: The prognosis of patients with glioblastoma remains poor even after various treatments such as surgery, radiotherapy, and chemotherapy. Thus, development of new drugs is urgently needed. The mechanisms underlying the cytotoxicity of caffeine in glioma cells are not clearly understood. This study aimed to assess the activities of histone deacetylase 1 (HDAC1) and histone acetyltransferase (p300) in RT2 glioma cells treated with caffeine. Materials and Methods: Cell viability and activity of HDAC1 and p300 in RT2 glioma cells were assayed after treatment with caffeine for 48 hours. Results: Cell viability decreased significantly after treatment with 0.5mM, 1mM, and 2mM caffeine. HDAC1 protein activity decreased significantly with various concentrations of caffeine, whereas the activity of p300 increased significantly. In addition, the viability of RT2 cells remained high, but HDAC1 activity decreased, and p300 activity increased markedly with 0.5mM caffeine treatment. We used microRNA and small interfering RNA (siRNA) to regulate HDAC1 and p300 to further understand the impact on glioblastomas. siRNA downregulated p300 and thus increased the viability of RT2 cells, therefore, caffeine combined with siRNA abolished the efficacy of caffeine, which confirmed that caffeine upregulated p300 and reduced cell viability. We also found increased HDAC1 activity when RT2 cells were treated with a combination of caffeine and miR-449a and thus increased the viability of RT2 cells. Conclusion: Our data suggest that a new strategy, caffeine, could increase glioma cell death by decreasing HDAC1 activity and/or by increasing p300 activity. The changes in HDAC1 and p300 activities appeared to occur earlier than loss of RT2 cells.
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Knudsen-Baas KM, Engeland A, Gilhus NE, Storstein AM, Owe JF. Does the choice of antiepileptic drug affect survival in glioblastoma patients? J Neurooncol 2016; 129:461-469. [DOI: 10.1007/s11060-016-2191-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Accepted: 06/24/2016] [Indexed: 12/27/2022]
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