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Jacob JR, Palanichamy K, Chakravarti A. Antipsychotics possess anti-glioblastoma activity by disrupting lysosomal function and inhibiting oncogenic signaling by stabilizing PTEN. Cell Death Dis 2024; 15:414. [PMID: 38871731 PMCID: PMC11176297 DOI: 10.1038/s41419-024-06779-3] [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: 10/02/2023] [Revised: 05/22/2024] [Accepted: 05/28/2024] [Indexed: 06/15/2024]
Abstract
The repurposing of medications developed for central nervous system (CNS) disorders, possessing favorable safety profiles and blood-brain barrier permeability, represents a promising strategy for identifying new therapies to combat glioblastoma (GBM). In this study, we investigated the anti-GBM activity of specific antipsychotics and antidepressants in vitro and in vivo. Our results demonstrate that these compounds share a common mechanism of action in GBM, disrupting lysosomal function and subsequently inducing lysosomal membrane rupture and cell death. Notably, PTEN intact GBMs possess an increased sensitivity to these compounds. The inhibition of lysosomal function synergized with inhibitors targeting the EGFR-PI3K-Akt pathway, leading to an energetic and antioxidant collapse. These findings provide a foundation for the potential clinical application of CNS drugs in GBM treatment. Additionally, this work offers critical insights into the mechanisms and determinants of cytotoxicity for drugs currently undergoing clinical trials as repurposing agents for various cancers, including Fluoxetine, Sertraline, Thioridazine, Chlorpromazine, and Fluphenazine.
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Affiliation(s)
- John Ryan Jacob
- Department of Radiation Oncology, The Ohio State University College of Medicine and Comprehensive Cancer Center, Columbus, OH, 43210, USA
| | - Kamalakannan Palanichamy
- Department of Radiation Oncology, The Ohio State University College of Medicine and Comprehensive Cancer Center, Columbus, OH, 43210, USA.
| | - Arnab Chakravarti
- Department of Radiation Oncology, The Ohio State University College of Medicine and Comprehensive Cancer Center, Columbus, OH, 43210, USA
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2
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Biersack B, Höpfner M. Emerging role of MYB transcription factors in cancer drug resistance. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2024; 7:15. [PMID: 38835346 PMCID: PMC11149108 DOI: 10.20517/cdr.2023.158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 03/19/2024] [Accepted: 04/04/2024] [Indexed: 06/06/2024]
Abstract
Decades ago, the viral myeloblastosis oncogene v-myb was identified as a gene responsible for the development of avian leukemia. However, the relevance of MYB proteins for human cancer diseases, in particular for solid tumors, remained basically unrecognized for a very long time. The human family of MYB transcription factors comprises MYB (c-MYB), MYBL2 (b-MYB), and MYBL1 (a-MYB), which are overexpressed in several cancers and are associated with cancer progression and resistance to anticancer drugs. In addition to overexpression, the presence of activated MYB-fusion proteins as tumor drivers was described in certain cancers. The identification of anticancer drug resistance mediated by MYB proteins and their underlying mechanisms are of great importance in understanding failures of current therapies and establishing new and more efficient therapy regimens. In addition, new drug candidates targeting MYB transcription factor activity and signaling have emerged as a promising class of potential anticancer therapeutics that could tackle MYB-dependent drug-resistant cancers in a more selective way. This review describes the correlation of MYB transcription factors with the formation and persistence of cancer resistance to various approved and investigational anticancer drugs.
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Affiliation(s)
- Bernhard Biersack
- Organic Chemistry Laboratory, University of Bayreuth, Bayreuth 95440, Germany
| | - Michael Höpfner
- Institute for Physiology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin 10117, Germany
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3
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Chen VCH, Huang SL, Huang JY, Hsu TC, Tzang BS, McIntyre RS. Combined Administration of Escitalopram Oxalate and Nivolumab Exhibits Synergistic Growth-Inhibitory Effects on Liver Cancer Cells through Inducing Apoptosis. Int J Mol Sci 2023; 24:12630. [PMID: 37628813 PMCID: PMC10454364 DOI: 10.3390/ijms241612630] [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: 07/12/2023] [Revised: 08/07/2023] [Accepted: 08/08/2023] [Indexed: 08/27/2023] Open
Abstract
Liver cancer is one of the most lethal malignant cancers worldwide. However, the therapeutic options for advanced liver cancers are limited and reveal scant efficacy. The current study investigated the effects of nivolumab (Niv) and escitalopram oxalate (Esc) in combination on proliferation of liver cancer cells both in vitro and in vivo. Significantly decreased viability of HepG2 cells that were treated with Esc or Niv was observed in a dose-dependent manner at 24 h, 48 h, and 72 h. Administration of Esc (50 μM) + Niv (20 μM), Esc (75 μM) + Niv (5 μM), and Esc (75 μM) + Niv (20 μM) over 24 h exhibited synergistic effects, inhibiting the survival of HepG2 cells. Additionally, treatment with Esc (50 μM) + Niv (1 μM), Esc (50 μM) + Niv (20 μM), and Esc (75 μM) + Niv (20 μM) over 48 h exhibited synergistic effects, inhibiting the survival of HepG2 cells. Finally, treatment with Esc (50 μM) + Niv (1 μM), Esc (50 μM) + Niv (20 μM), and Esc (75 μM) + Niv (20 μM) for 72 h exhibited synergistic effects, inhibiting HepG2 survival. Com-pared with controls, HepG2 cells treated with Esc (50 μM) + Niv (20 μM) exhibited significantly increased sub-G1 portion and annexin-V signals. In a xenograft animal study, Niv (6.66 mg/kg) + Esc (2.5 mg/kg) significantly suppressed the growth of xenograft HepG2 tumors in nude mice. This study reports for the first time the synergistic effects of combined administration of Niv and Esc for inhibiting HepG2 cell proliferation, which may provide an alternative option for liver cancer treatment.
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Affiliation(s)
- Vincent Chin-Hung Chen
- Department of Psychiatry, School of Medicine, Chang Gung University, Taoyuan 33302, Taiwan;
- Department of Psychiatry, Chang Gung Medical Foundation, Chiayi Chang Gung Memorial Hospital, Chiayi 61303, Taiwan; (S.-L.H.); (J.-Y.H.)
| | - Shao-Lan Huang
- Department of Psychiatry, Chang Gung Medical Foundation, Chiayi Chang Gung Memorial Hospital, Chiayi 61303, Taiwan; (S.-L.H.); (J.-Y.H.)
| | - Jing-Yu Huang
- Department of Psychiatry, Chang Gung Medical Foundation, Chiayi Chang Gung Memorial Hospital, Chiayi 61303, Taiwan; (S.-L.H.); (J.-Y.H.)
| | - Tsai-Ching Hsu
- Institute of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan
- Immunology Center, Chung Shan Medical University, Taichung 40201, Taiwan
- Department of Clinical Laboratory, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
| | - Bor-Show Tzang
- Institute of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan
- Immunology Center, Chung Shan Medical University, Taichung 40201, Taiwan
- Department of Clinical Laboratory, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
- Department of Biochemistry, School of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan
| | - Roger S. McIntyre
- Mood Disorders Psychopharmacology Unit, University Health Network, University of Toronto, Toronto, ON M5T2S8, Canada;
- Department of Psychiatry, University of Toronto, Toronto, ON M5T1R8, Canada
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4
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Patel MA, Bimali M, Li C, Kesaria A, Xia F. The effect of anticonvulsants on survival among patients with GBM brain tumors undergoing radiation: A SEER-Medicare analysis. J Clin Neurosci 2022; 106:32-36. [PMID: 36265362 PMCID: PMC9896587 DOI: 10.1016/j.jocn.2022.09.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 09/01/2022] [Accepted: 09/28/2022] [Indexed: 11/07/2022]
Abstract
BACKGROUND Patients with glioblastoma multiforme (GBM) who undergo radiation often require anticonvulsants during treatment. The aim of this study was to determine the effects of anticonvulsants on GBM clinical outcomes. METHODS A retrospective analysis was performed using the SEER-Medicare database. All patients with GBM who were treated with radiation and concurrently taking an anticonvulsant were included in final analysis. Each class of medication was further subdivided by mechanism of action. Descriptive statistics were performed for all variables. Kaplan Meier survival curves were generated for each class of medication and Cox regression analysis was performed to assess the effect of each individual variable on survival. RESULTS There were 1561 patients available for final analysis. On multivariate Cox regression analysis, GBM patients taking sodium/calcium (Na/Ca) channel blocker anticonvulsants during radiation therapy demonstrated both improved overall survival (OS) (HR, 0.799; 95% CI [0.716, 0.891]; P < 0.001) and cancer specific survival (CSS) (HR, 0.814; 95% CI [0.727, 0.911]; P < 0.001). CONCLUSION OS was significantly better in patients taking NA/Ca channel blockers among patients with GBM who were concurrently undergoing radiation therapy.
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Affiliation(s)
- Mausam A. Patel
- Department of Radiation Oncology, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, United States of America
| | - Milan Bimali
- Department of Biostatics, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, United States of America
| | - Chenghui Li
- College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, United States of America
| | - Anam Kesaria
- Department of Radiation Oncology, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, United States of America
| | - Fen Xia
- Department of Radiation Oncology, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, United States of America
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5
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Föhr KJ, Rapp M, Fauler M, Zimmer T, Jungwirth B, Messerer DAC. Block of Voltage-Gated Sodium Channels by Aripiprazole in a State-Dependent Manner. Int J Mol Sci 2022; 23:ijms232112890. [PMID: 36361681 PMCID: PMC9656591 DOI: 10.3390/ijms232112890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 10/05/2022] [Accepted: 10/20/2022] [Indexed: 11/24/2022] Open
Abstract
Aripiprazole is an atypical antipsychotic drug, which is prescribed for many psychiatric diseases such as schizophrenia and mania in bipolar disorder. It primarily acts as an agonist of dopaminergic and other G-protein coupled receptors. So far, an interaction with ligand- or voltage-gated ion channels has been classified as weak. Meanwhile, we identified aripiprazole in a preliminary test as a potent blocker of voltage-gated sodium channels. Here, we present a detailed analysis about the interaction of aripiprazole with the dominant voltage-gated sodium channel of heart muscle (hNav1.5). Electrophysiological experiments were performed by means of the patch clamp technique at human heart muscle sodium channels (hNav1.5), heterologously expressed in human TsA cells. Aripiprazole inhibits the hNav1.5 channel in a state- but not use-dependent manner. The affinity for the resting state is weak with an extrapolated Kr of about 55 µM. By contrast, the interaction with the inactivated state is strong. The affinities for the fast and slow inactivated state are in the low micromolar range (0.5–1 µM). Kinetic studies indicate that block development for the inactivated state must be described with a fast (ms) and a slow (s) time constant. Even though the time constants differ by a factor of about 50, the resulting affinity constants were nearly identical (in the range of 0.5 µM). Besides this, aripirazole also interacts with the open state of the channel. Using an inactivation deficit mutant, an affinity of about 1 µM was estimated. In summary, aripiprazole inhibits voltage-gated sodium channels at low micromolar concentrations. This property might add to its possible anticancer and neuroprotective properties.
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Affiliation(s)
- Karl Josef Föhr
- Department of Anesthesiology and Intensive Care Medicine, University Hospital Ulm, 89081 Ulm, Germany
- Correspondence:
| | - Michael Rapp
- Department of Anesthesiology and Intensive Care Medicine, University Hospital Ulm, 89081 Ulm, Germany
| | - Michael Fauler
- Institute of General Physiology, University of Ulm, 89081 Ulm, Germany
| | - Thomas Zimmer
- Institute of Physiology, University Hospital of Jena, 07747 Jena, Germany
| | - Bettina Jungwirth
- Department of Anesthesiology and Intensive Care Medicine, University Hospital Ulm, 89081 Ulm, Germany
| | - David Alexander Christian Messerer
- Department of Anesthesiology and Intensive Care Medicine, University Hospital Ulm, 89081 Ulm, Germany
- Department of Transfusion Medicine and Hemostaseology, Friedrich-Alexander University Erlangen-Nuremberg, University Hospital Erlangen, 91052 Erlangen, Germany
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6
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Hamoud AR, Bach K, Kakrecha O, Henkel N, Wu X, McCullumsmith RE, O’Donovan SM. Adenosine, Schizophrenia and Cancer: Does the Purinergic System Offer a Pathway to Treatment? Int J Mol Sci 2022; 23:ijms231911835. [PMID: 36233136 PMCID: PMC9570456 DOI: 10.3390/ijms231911835] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/23/2022] [Accepted: 09/29/2022] [Indexed: 11/16/2022] Open
Abstract
For over a century, a complex relationship between schizophrenia diagnosis and development of many cancers has been observed. Findings from epidemiological studies are mixed, with reports of increased, reduced, or no difference in cancer incidence in schizophrenia patients. However, as risk factors for cancer, including elevated smoking rates and substance abuse, are commonly associated with this patient population, it is surprising that cancer incidence is not higher. Various factors may account for the proposed reduction in cancer incidence rates including pathophysiological changes associated with disease. Perturbations of the adenosine system are hypothesized to contribute to the neurobiology of schizophrenia. Conversely, hyperfunction of the adenosine system is found in the tumor microenvironment in cancer and targeting the adenosine system therapeutically is a promising area of research in this disease. We outline the current biochemical and pharmacological evidence for hypofunction of the adenosine system in schizophrenia, and the role of increased adenosine metabolism in the tumor microenvironment. In the context of the relatively limited literature on this patient population, we discuss whether hypofunction of this system in schizophrenia, may counteract the immunosuppressive role of adenosine in the tumor microenvironment. We also highlight the importance of studies examining the adenosine system in this subset of patients for the potential insight they may offer into these complex disorders.
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Affiliation(s)
- Abdul-Rizaq Hamoud
- Department of Neurosciences, University of Toledo, Toledo, OH 43614, USA
| | - Karen Bach
- Department of Neurosciences, University of Toledo, Toledo, OH 43614, USA
| | - Ojal Kakrecha
- Department of Neurosciences, University of Toledo, Toledo, OH 43614, USA
| | - Nicholas Henkel
- Department of Neurosciences, University of Toledo, Toledo, OH 43614, USA
| | - Xiaojun Wu
- Department of Neurosciences, University of Toledo, Toledo, OH 43614, USA
| | - Robert E. McCullumsmith
- Department of Neurosciences, University of Toledo, Toledo, OH 43614, USA
- Neurosciences Institute, ProMedica, Toledo, OH 43606, USA
| | - Sinead M. O’Donovan
- Department of Neurosciences, University of Toledo, Toledo, OH 43614, USA
- Correspondence:
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7
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Jeong HJ, Jung CW, Kim HJ, Park B, Moon Y, Kim JY, Park MJ. Aripiprazole sensitizes head and neck cancer cells to ionizing radiation by enhancing the production of reactive oxygen species. Pharmacol Res Perspect 2022; 10:e00989. [PMID: 35904494 PMCID: PMC9337216 DOI: 10.1002/prp2.989] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 06/23/2022] [Accepted: 06/27/2022] [Indexed: 12/12/2022] Open
Abstract
Drug repositioning is an alternative process for drug development in cancer. Specifically, it is a strategy for the discovery of new antitumor drugs by screening previously approved clinical drugs. On the basis of this strategy, aripiprazole, an antipsychotic drug, was found to have anticancer activity. In this study, we investigated the radiosensitizing effects of aripiprazole on head and neck cancer cells at sublethal doses of ionizing radiation (IR) in vitro and in vivo. Treatment with aripiprazole suppressed the growth of head and neck cancer cells in a concentration‐dependent manner, as evidenced by the 3‐(4,5‐dimethylthiazol‐2‐yl)‐2,5‐diphenyltetrazolium bromide assay. Intriguingly, aripiprazole significantly enhanced the sensitivity of these cells to the IC50 dose of IR. The combination of aripiprazole with IR synergistically increased annexin and propidium iodide double‐positive and terminal deoxynucleotidyl transferase dUTP nick end labeling‐positive cell populations, and induced cleaved poly(ADP‐ribose) polymerase and caspase‐3 expression, indicating the induction of apoptosis in these cells. Aripiprazole and IR‐induced apoptosis were accompanied by an increase in reactive oxygen species and was almost completely suppressed by the addition of the antioxidant, N‐acetylcysteine. Finally, aripiprazole greatly sensitized xenograft tumors to IR at doses that did not affect tumor growth. Taken together, these results suggest that aripiprazole could be considered a potent radiosensitizer for head and neck cancer.
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Affiliation(s)
- Hyeon-Jeong Jeong
- Radiation Therapeutics Development Team, Division of Radiation Cancer Science, Korea Institute of Radiological and Medical Sciences, Seoul, South Korea.,School of Biomedical Science, Korea University, Seoul, South Korea
| | - Chan-Woong Jung
- Radiation Therapeutics Development Team, Division of Radiation Cancer Science, Korea Institute of Radiological and Medical Sciences, Seoul, South Korea.,Department of Life Sciences, Korea University, Seoul, South Korea
| | - Hee-Jin Kim
- Radiation Therapeutics Development Team, Division of Radiation Cancer Science, Korea Institute of Radiological and Medical Sciences, Seoul, South Korea
| | - Byunghee Park
- Anticancer Strategy Research Institute, VSPharmTech Co., Ltd., Seoul, South Korea
| | - Youna Moon
- Anticancer Strategy Research Institute, VSPharmTech Co., Ltd., Seoul, South Korea
| | - Jeong-Yub Kim
- Radiation Therapeutics Development Team, Division of Radiation Cancer Science, Korea Institute of Radiological and Medical Sciences, Seoul, South Korea
| | - Myung-Jin Park
- Radiation Therapeutics Development Team, Division of Radiation Cancer Science, Korea Institute of Radiological and Medical Sciences, Seoul, South Korea
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Lalkovicova M. Neuroprotective agents effective against radiation damage of central nervous system. Neural Regen Res 2022; 17:1885-1892. [PMID: 35142663 PMCID: PMC8848589 DOI: 10.4103/1673-5374.335137] [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] [Indexed: 11/04/2022] Open
Abstract
Ionizing radiation caused by medical treatments, nuclear events or even space flights can irreversibly damage structure and function of brain cells. That can result in serious brain damage, with memory and behavior disorders, or even fatal oncologic or neurodegenerative illnesses. Currently used treatments and drugs are mostly targeting biochemical processes of cell apoptosis, radiation toxicity, neuroinflammation, and conditions such as cognitive-behavioral disturbances or others that result from the radiation insult. With most drugs, the side effects and potential toxicity are also to be considered. Therefore, many agents have not been approved for clinical use yet. In this review, we focus on the latest and most effective agents that have been used in animal and also in the human research, and clinical treatments. They could have the potential therapeutical use in cases of radiation damage of central nervous system, and also in prevention considering their radioprotecting effect of nervous tissue.
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Affiliation(s)
- Mária Lalkovicova
- Laboratory of Radiation Biology, Joint Institute for Nuclear Research, Dubna, Russia; Slovak Academy of Sciences, Institute of Experimental Physics, Košice, Slovakia
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9
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Lin WZ, Liu YC, Lee MC, Tang CT, Wu GJ, Chang YT, Chu CM, Shiau CY. From GWAS to drug screening: repurposing antipsychotics for glioblastoma. J Transl Med 2022; 20:70. [PMID: 35120529 PMCID: PMC8815269 DOI: 10.1186/s12967-021-03209-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Accepted: 12/19/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Glioblastoma is currently an incurable cancer. Genome-wide association studies have demonstrated that 41 genetic variants are associated with glioblastoma and may provide an option for drug development. METHODS We investigated FDA-approved antipsychotics for their potential treatment of glioblastoma based on genome-wide association studies data using a 'pathway/gene-set analysis' approach. RESULTS The in-silico screening led to the discovery of 12 candidate drugs. DepMap portal revealed that 42 glioma cell lines show higher sensitivities to 12 candidate drugs than to Temozolomide, the current standard treatment for glioblastoma. CONCLUSION In particular, cell lines showed significantly higher sensitivities to Norcyclobenzaprine and Protriptyline which were predicted to bind targets to disrupt a certain molecular function such as DNA repair, response to hormones, or DNA-templated transcription, and may lead to an effect on survival-related pathways including cell cycle arrest, response to ER stress, glucose transport, and regulation of autophagy. However, it is recommended that their mechanism of action and efficacy are further determined.
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Affiliation(s)
- Wei-Zhi Lin
- Graduate Institute of Life Sciences, National Defense Medical Center, No.161, Sec. 6, Minquan E. Rd., Neihu Dist., Taipei City, 11490 Taiwan
| | - Yen-Chun Liu
- School of Medicine, National Defense Medical Center, No.161, Sec. 6, Minquan E. Rd., Neihu Dist., Taipei City, 11490 Taiwan
| | - Meng-Chang Lee
- School of Public Health, National Defense Medical Center, No.161, Sec. 6, Minquan E. Rd., Neihu Dist., Taipei City, 11490 Taiwan
| | - Chi-Tun Tang
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan
- Department of Neurological Surgery, Tri-Service General Hospital, No. 325, Sec. 2, Chenggong Rd., Neihu District, Taipei, 11490 Taiwan
| | - Gwo-Jang Wu
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan
- Department of Obstetrics and Gynecology, Tri-Service General Hospital, No. 325, Sec. 2, Chenggong Rd., Neihu District, Taipei, 11490 Taiwan
| | - Yu-Tien Chang
- School of Public Health, National Defense Medical Center, No.161, Sec. 6, Minquan E. Rd., Neihu Dist., Taipei City, 11490 Taiwan
| | - Chi-Ming Chu
- Graduate Institute of Life Sciences, National Defense Medical Center, No.161, Sec. 6, Minquan E. Rd., Neihu Dist., Taipei City, 11490 Taiwan
- School of Public Health, National Defense Medical Center, No.161, Sec. 6, Minquan E. Rd., Neihu Dist., Taipei City, 11490 Taiwan
| | - Chia-Yang Shiau
- Graduate Institute of Life Sciences, National Defense Medical Center, No.161, Sec. 6, Minquan E. Rd., Neihu Dist., Taipei City, 11490 Taiwan
- Fidelity Regulation Therapeutics Inc., 161, Sec. 6, Minquan E. Rd., Neihu Dist., Taipei City, 11490 Taiwan
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10
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Dissecting the Mechanism of Action of Spiperone-A Candidate for Drug Repurposing for Colorectal Cancer. Cancers (Basel) 2022; 14:cancers14030776. [PMID: 35159043 PMCID: PMC8834219 DOI: 10.3390/cancers14030776] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/25/2022] [Accepted: 01/29/2022] [Indexed: 02/05/2023] Open
Abstract
Simple Summary Despite advances in primary and adjuvant treatments, approximately 50% of colorectal cancer (CRC) patients still die from recurrence and metastatic disease. Thus, alternative and more effective therapeutic approaches are expected to be developed. Drug repurposing is increasing interest in cancer therapy, as it represents a cheaper and faster alternative strategy to de novo drug synthesis. Psychiatric medications are promising as a new generation of antitumor drugs. Here, we demonstrate that spiperone—a licensed drug for the treatment of schizophrenia—induces apoptosis in CRC cells. Our data reveal that spiperone’s cytotoxicity in CRC cells is mediated by phospholipase C activation, intracellular calcium homeostasis dysregulation, and irreversible endoplasmic reticulum stress induction, resulting in lipid metabolism alteration and Golgi apparatus damage. By identifying new targetable pathways in CRC cells, our findings represent a promising starting point for the design of novel therapeutic strategies for CRC. Abstract Approximately 50% of colorectal cancer (CRC) patients still die from recurrence and metastatic disease, highlighting the need for novel therapeutic strategies. Drug repurposing is attracting increasing attention because, compared to traditional de novo drug discovery processes, it may reduce drug development periods and costs. Epidemiological and preclinical evidence support the antitumor activity of antipsychotic drugs. Herein, we dissect the mechanism of action of the typical antipsychotic spiperone in CRC. Spiperone can reduce the clonogenic potential of stem-like CRC cells (CRC-SCs) and induce cell cycle arrest and apoptosis, in both differentiated and CRC-SCs, at clinically relevant concentrations whose toxicity is negligible for non-neoplastic cells. Analysis of intracellular Ca2+ kinetics upon spiperone treatment revealed a massive phospholipase C (PLC)-dependent endoplasmic reticulum (ER) Ca2+ release, resulting in ER Ca2+ homeostasis disruption. RNA sequencing revealed unfolded protein response (UPR) activation, ER stress, and induction of apoptosis, along with IRE1-dependent decay of mRNA (RIDD) activation. Lipidomic analysis showed a significant alteration of lipid profile and, in particular, of sphingolipids. Damage to the Golgi apparatus was also observed. Our data suggest that spiperone can represent an effective drug in the treatment of CRC, and that ER stress induction, along with lipid metabolism alteration, represents effective druggable pathways in CRC.
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11
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You F, Zhang C, Liu X, Ji D, Zhang T, Yu R, Gao S. Drug repositioning: Using psychotropic drugs for the treatment of glioma. Cancer Lett 2021; 527:140-149. [PMID: 34923043 DOI: 10.1016/j.canlet.2021.12.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 11/24/2021] [Accepted: 12/10/2021] [Indexed: 12/23/2022]
Abstract
Psychotropic drugs can penetrate the blood-brain barrier and regulate the levels of neurotransmitters and neuromodulators such as γ-aminobutyric acid, glutamate, serotonin, dopamine, and norepinephrine in the brain, and thus influence neuronal activity. Neuronal activity in the tumor microenvironment can promote the growth and expansion of glioma. There is increasing evidence that in addition to their use in the treatment of mental disorders, antipsychotic, antidepressant, and mood-stabilizing drugs have clinical potential for cancer therapy. These drugs have been shown to inhibit the malignant progression of glioma by targeting signaling pathways related to cell proliferation, apoptosis, or invasion/migration or by increasing the sensitivity of glioma cells to conventional chemotherapy or radiotherapy. In this review, we summarize findings from preclinical and clinical studies investigating the use of antipsychotics, antidepressants, and mood stabilizers in the treatment of various types of cancer, with a focus on glioma; and discuss their presumed antitumor mechanisms. The existing evidence indicates that psychotropic drugs with established pharmacologic and safety profiles can be repurposed as anticancer agents, thus providing new options for the treatment of glioma.
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Affiliation(s)
- Fangting You
- Department of Neurosurgery, Institute of Nervous System Diseases, The Affiliated Hospital of Xuzhou Medical University, 99 West Huai-Hai Road, Xuzhou, 221002, China
| | - Caiyi Zhang
- Department of Psychiatry, The Affiliated Xuzhou Oriental Hospital of Xuzhou Medical University, 379 Tong-Shan Road, Xuzhou, 221004, China
| | - Xiaoxiao Liu
- Department of Radiation Oncology, The Affiliated Hospital of Xuzhou Medical University, 99 West Huai-Hai Road, Xuzhou, 221002, China
| | - Daofei Ji
- Department of Neurosurgery, The Second Affiliated Hospital of Xuzhou Medical University, 32 Mei-Jian Road, Xuzhou, 221006, China
| | - Tong Zhang
- Department of Neurosurgery, Institute of Nervous System Diseases, The Affiliated Hospital of Xuzhou Medical University, 99 West Huai-Hai Road, Xuzhou, 221002, China.
| | - Rutong Yu
- Department of Neurosurgery, Institute of Nervous System Diseases, The Affiliated Hospital of Xuzhou Medical University, 99 West Huai-Hai Road, Xuzhou, 221002, China.
| | - Shangfeng Gao
- Department of Neurosurgery, Institute of Nervous System Diseases, The Affiliated Hospital of Xuzhou Medical University, 99 West Huai-Hai Road, Xuzhou, 221002, China.
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12
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Borovcanin MM, Vesic K. Breast cancer in schizophrenia could be interleukin-33-mediated. World J Psychiatry 2021; 11:1065-1074. [PMID: 34888174 PMCID: PMC8613763 DOI: 10.5498/wjp.v11.i11.1065] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 07/21/2021] [Accepted: 09/23/2021] [Indexed: 02/06/2023] Open
Abstract
Recent epidemiological and genetic studies have revealed an interconnection between schizophrenia and breast cancer. The mutual underlying pathophysiological mechanisms may be immunologically driven. A new cluster of molecules called alarmins may be involved in sterile brain inflammation, and we have already reported the potential impact of interleukin-33 (IL-33) on positive symptoms onset and the role of its soluble trans-membranes full length receptor (sST2) on amelioration of negative symptoms in schizophrenia genesis. Furthermore, these molecules have already been shown to be involved in breast cancer etiopathogenesis. In this review article, we aim to describe the IL-33/suppressor of tumorigenicity 2 (ST2) axis as a crossroad in schizophrenia-breast cancer comorbidity. Considering that raloxifene could be tissue-specific and improve cognition and that tamoxifen resistance in breast carcinoma could be improved by strategies targeting IL-33, these selective estrogen receptor modulators could be useful in complementary treatment. These observations could guide further somatic, as well as psychiatric therapeutical protocols by incorporating what is known about immunity in schizophrenia.
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Affiliation(s)
- Milica M Borovcanin
- Department of Psychiatry, University of Kragujevac, Faculty of Medical Sciences, Kragujevac 34000, Serbia
| | - Katarina Vesic
- Department of Neurology, University of Kragujevac, Faculty of Medical Sciences, Kragujevac 34000, Serbia
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13
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Fuchs E, Messerer DAC, Karpel-Massler G, Fauler M, Zimmer T, Jungwirth B, Föhr KJ. Block of Voltage-Gated Sodium Channels as a Potential Novel Anti-cancer Mechanism of TIC10. Front Pharmacol 2021; 12:737637. [PMID: 34744721 PMCID: PMC8567104 DOI: 10.3389/fphar.2021.737637] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 09/15/2021] [Indexed: 12/19/2022] Open
Abstract
Background: Tumor therapeutics are aimed to affect tumor cells selectively while sparing healthy ones. For this purpose, a huge variety of different drugs are in use. Recently, also blockers of voltage-gated sodium channels (VGSCs) have been recognized to possess potentially beneficial effects in tumor therapy. As these channels are a frequent target of numerous drugs, we hypothesized that currently used tumor therapeutics might have the potential to block VGSCs in addition to their classical anti-cancer activity. In the present work, we have analyzed the imipridone TIC10, which belongs to a novel class of anti-cancer compounds, for its potency to interact with VGSCs. Methods: Electrophysiological experiments were performed by means of the patch-clamp technique using heterologously expressed human heart muscle sodium channels (hNav1.5), which are among the most common subtypes of VGSCs occurring in tumor cells. Results: TIC10 angular inhibited the hNav1.5 channel in a state- but not use-dependent manner. The affinity for the resting state was weak with an extrapolated Kr of about 600 μM. TIC10 most probably did not interact with fast inactivation. In protocols for slow inactivation, a half-maximal inhibition occurred around 2 µM. This observation was confirmed by kinetic studies indicating that the interaction occurred with a slow time constant. Furthermore, TIC10 also interacted with the open channel with an affinity of approximately 4 µM. The binding site for local anesthetics or a closely related site is suggested as a possible target as the affinity for the well-characterized F1760K mutant was reduced more than 20-fold compared to wild type. Among the analyzed derivatives, ONC212 was similarly effective as TIC10 angular, while TIC10 linear more selectively interacted with the different states. Conclusion: The inhibition of VGSCs at low micromolar concentrations might add to the anti-tumor properties of TIC10.
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Affiliation(s)
- Eva Fuchs
- Department of Anesthesiology and Intensive Care Medicine, University Hospital of Ulm, Ulm, Germany
| | | | | | - Michael Fauler
- Institute of General Physiology, University of Ulm, Ulm, Germany
| | - Thomas Zimmer
- Institute of Physiology, University Hospital of Jena, Jena, Germany
| | - Bettina Jungwirth
- Department of Anesthesiology and Intensive Care Medicine, University Hospital of Ulm, Ulm, Germany
| | - Karl Josef Föhr
- Department of Anesthesiology and Intensive Care Medicine, University Hospital of Ulm, Ulm, Germany
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14
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Fraga da Silva E, Roberto dos Santos P, Helen Antunes K, Marinho Franceschina C, Nascimento de Freitas D, Konrad P, Fernandes Zanin R, Machado P, Moura S, de Souza APD. Anti-tumor effects of valproate zinc complexes on a lung cancer cell line. Polyhedron 2021. [DOI: 10.1016/j.poly.2021.115415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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15
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Lianos GD, Alexiou GA, Rausei S, Galani V, Mitsis M, Kyritsis AP. Repurposing antipsychotic drugs for cancer treatment: current evidence and future perspectives. Expert Rev Anticancer Ther 2021; 22:131-134. [PMID: 34612130 DOI: 10.1080/14737140.2022.1987221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Georgios D Lianos
- Department of Surgery, University Hospital of Ioannina, Ioannina, Greece
| | - George A Alexiou
- Department of Neurosurgery, University Hospital of Ioannina, Ioannina, Greece
| | - Stefano Rausei
- Department of Surgery, ASST Valle Olona, Gallarate, Italy
| | - Vasiliki Galani
- Neurosurgical Institute, University of Ioannina, Ioannina, Greece
| | - Michail Mitsis
- Department of Surgery, University Hospital of Ioannina, Ioannina, Greece
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16
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Abstract
The leading causes of death in military conflicts continue to be hemorrhagic shock (HS) and traumatic brain injury (TBI). Most of the mortality is a result of patients not surviving long enough to obtain surgical care. As a result, there is a significant unmet need for a therapy that stimulates a "prosurvival phenotype" that counteracts the cellular pathophysiology of HS and TBI to prolong survival. Valproic acid (VPA), a well-established antiepileptic therapy for more than 50 years, has shown potential as one such prosurvival therapy. This review details how VPA's role as a nonselective histone deacetylase inhibitor induces cellular changes that promote survival and decrease cellular pathways that lead to cell death. The review comprehensively covers more than two decades worth of studies ranging from preclinical (mice, swine) to recent human clinical trials of the use of VPA in HS and TBI. Furthermore, it details the different mechanisms in which VPA alters gene expression, induces cytoprotective changes, attenuates platelet dysfunction, provides neuroprotection, and enhances survival in HS and TBI. Valproic acid shows real promise as a therapy that can induce the prosurvival phenotype in those injured during military conflict.
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17
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Zhuo C, Xu Y, Wang H, Fang T, Chen J, Zhou C, Li Q, Liu J, Xu S, Yao C, Yang W, Yang A, Li B, Chen Y, Tian H, Lin C. Safety and Efficacy of High-Dose Vitamin B6 as an Adjunctive Treatment for Antipsychotic-Induced Hyperprolactinemia in Male Patients With Treatment-Resistant Schizophrenia. Front Psychiatry 2021; 12:681418. [PMID: 34512411 PMCID: PMC8426548 DOI: 10.3389/fpsyt.2021.681418] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 08/05/2021] [Indexed: 12/28/2022] Open
Abstract
This study aimed to investigate the safety and efficacy of high-dose vitamin B6 (vB6) as an adjunct treatment for antipsychotic-induced hyperprolactinemia (AIHP) in male patients with treatment-resistant schizophrenia (TRS). In this randomized double-blinded controlled study, patients were randomized (1:1) into a control group given aripiprazole (ARI; 10 mg/day; n = 100) or an intervention group given vB6 (300 mg/12 h for 16 weeks; n = 100). Prolactin levels, psychotic symptoms [Positive and Negative Syndrome Scale (PANSS)], cognitive function [MATRICS Consensus Cognitive Battery (MCCB)], liver function, kidney function, growth hormone level, micronutrient levels, blood lipids, and adverse secondary effects (ASEs)[Treatment Emergent Symptom Scale (TESS) and Barnes-Akathisia scale] were monitored. After a 16-week treatment period, the vB6 group showed a 68.1% reduction in serum prolactin levels (from 95.52 ± 6.30 μg/L to 30.43 ± 18.65 μg/L) while the ARI group showed only a 37.4% reduction (from 89.07 ± 3.59 μg/L to 55.78 ± 7.39 μg/L). During weeks 1-4, both treatments reduced prolactin similarly. Subsequently, the ARI effect plateaued, while the vB6 effect remained robust. The vB6 group showed better alleviation of psychotic symptoms and cognitive impairment. No serious ASEs were observed; ASEs were more frequent in the ARI group. AIHP reduction efficacy of vB6 was associated with baseline prolactin and triglyceride levels, total vB6 dosage, and education level. In conclusion, compared with the ARI group, TRS patients given vB6 showed better attenuation of AIHP, lower ASE scores, and greater improvements in clinical symptoms and cognitive impairments. These results support further consideration of vB6 as a putative treatment for AIHP. Trial Registration: ChiCTR1800014755.
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Affiliation(s)
- Chuanjun Zhuo
- Key Laboratory of Multiple Organ Damages of Major Psychoses (MODMP_Lab), Tianjin Fourth Center Hospital, The Fourth Central Hospital Affiliated With Nankai University, The Fourth Central Hospital Affiliated to Tianjin Medical University, Tianjin, China.,Key Laboratory of Real Time Brain Circuit Tracing in Neurology and Psychiatry (RTBNP_Lab), Tianjin Fourth Center Hospital, The Fourth Central Hospital Affiliated With Nankai University, The Fourth Central Hospital Affiliated to Tianjin Medical University, Tianjin, China
| | - Yong Xu
- Department of Psychiatry, First Hospital/First Clinical Medical College of Shanxi Medical University, Taiyuan, China.,Mental Disorder Therapy Center for Cognitive Impairment and Sleep Disorders, First Hospital of Shanxi Medical University, Taiyuan, China
| | - Haibo Wang
- Peking University Clinical Research Institute, Peking University First Hospital, Beijing, China
| | - Tao Fang
- Key Laboratory of Multiple Organ Damages of Major Psychoses (MODMP_Lab), Tianjin Fourth Center Hospital, The Fourth Central Hospital Affiliated With Nankai University, The Fourth Central Hospital Affiliated to Tianjin Medical University, Tianjin, China.,Key Laboratory of Real Time Brain Circuit Tracing in Neurology and Psychiatry (RTBNP_Lab), Tianjin Fourth Center Hospital, The Fourth Central Hospital Affiliated With Nankai University, The Fourth Central Hospital Affiliated to Tianjin Medical University, Tianjin, China
| | - Jiayue Chen
- Key Laboratory of Real Time Brain Circuit Tracing in Neurology and Psychiatry (RTBNP_Lab), Tianjin Fourth Center Hospital, The Fourth Central Hospital Affiliated With Nankai University, The Fourth Central Hospital Affiliated to Tianjin Medical University, Tianjin, China.,Laboratory of Neuro-Imaging and Comorbidity (PNGC_Lab), Tianjin Anding Hospital Affiliated to Nankai University, Tianjin Medical University, Tianjin, China
| | - Chunhua Zhou
- Department of Pharmacology, The First Hospital Affiliated to Hebei Medical University, Shijiazhuang, China
| | - Qianchen Li
- Department of Pharmacology, The First Hospital Affiliated to Hebei Medical University, Shijiazhuang, China
| | - Jie Liu
- Laboratory of Neuro-Imaging and Comorbidity (PNGC_Lab), Tianjin Anding Hospital Affiliated to Nankai University, Tianjin Medical University, Tianjin, China
| | - Shuli Xu
- Laboratory of Neuro-Imaging and Comorbidity (PNGC_Lab), Tianjin Anding Hospital Affiliated to Nankai University, Tianjin Medical University, Tianjin, China
| | - Cong Yao
- Laboratory of Neuro-Imaging and Comorbidity (PNGC_Lab), Tianjin Anding Hospital Affiliated to Nankai University, Tianjin Medical University, Tianjin, China
| | - Weiliang Yang
- Laboratory of Neuro-Imaging and Comorbidity (PNGC_Lab), Tianjin Anding Hospital Affiliated to Nankai University, Tianjin Medical University, Tianjin, China
| | - Anqu Yang
- Department of Treatment Resistant Schizophrenia, Tianjin Kangtai Hospital, Tianjin, China
| | - Bo Li
- Department of Treatment Resistant Schizophrenia, Tianjin Kangtai Hospital, Tianjin, China
| | - Yuhui Chen
- Department of Treatment Resistant Schizophrenia, Tianjin Kangtai Hospital, Tianjin, China
| | - Hongjun Tian
- Key Laboratory of Multiple Organ Damages of Major Psychoses (MODMP_Lab), Tianjin Fourth Center Hospital, The Fourth Central Hospital Affiliated With Nankai University, The Fourth Central Hospital Affiliated to Tianjin Medical University, Tianjin, China.,Key Laboratory of Real Time Brain Circuit Tracing in Neurology and Psychiatry (RTBNP_Lab), Tianjin Fourth Center Hospital, The Fourth Central Hospital Affiliated With Nankai University, The Fourth Central Hospital Affiliated to Tianjin Medical University, Tianjin, China
| | - Chongguang Lin
- Department of Psychiatry, Wenzhou Seventh Peoples Hospital, Wenzhou, China
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18
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Haloperidol Induced Cell Cycle Arrest and Apoptosis in Glioblastoma Cells. Biomedicines 2020; 8:biomedicines8120595. [PMID: 33322363 PMCID: PMC7763579 DOI: 10.3390/biomedicines8120595] [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] [Received: 10/29/2020] [Revised: 12/07/2020] [Accepted: 12/09/2020] [Indexed: 12/18/2022] Open
Abstract
Although several antipsychotic drugs have been shown to possess anticancer activities, haloperidol, a “first-generation” antipsychotic drug, has not been extensively evaluated for potential antineoplastic properties. The aim of this study was to investigate the antitumoral effects of haloperidol in glioblastoma (GBM) U87, U251 and T98 cell lines, and the effects of combined treatment with temozolomide (TMZ) and/or radiotherapy, using 4 Gy of irradiation. The viability and proliferation of the cells were evaluated with trypan blue exclusion assay and 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. Apoptosis, using the annexin-propidium iodide (PI), and cell cycle, cluster of differentiation (CD) expression and caspase-8 activation were measured using flow cytometry. Treatment with haloperidol significantly reduced cell viability in U87, U251 and T98 GBM cell lines. Haloperidol induced apoptosis in a dose-dependent manner, inhibited cell migration and produced an alteration in the expression of CD24/CD44. The additional effect of haloperidol, combined with temozolomide and radiation therapy, increased tumor cell death. Haloperidol was observed to induce apoptosis and to increase caspase-8 activation. In conclusion, haloperidol may represent an innovative strategy for the treatment of GBM and further studies are warranted in glioma xenograft models and other malignancies.
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19
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Novel strategies to cure imprinting disorders. MED GENET-BERLIN 2020. [DOI: 10.1515/medgen-2020-2043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
In imprinting disorders, where the active copy of an imprinted gene is mutated or lost, there is a unique opportunity for causal treatment by unsilencing the other, dormant allele. Depending on the mechanism by which the allele is silenced, unsilencing can be achieved by epigenetic drugs, antisense-oligonucleotides (ASOs) or epigenome editing. While most of the research is still preclinical, first-in-humans studies with ASOs have started in 2020.
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20
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Stritzelberger J, Lainer J, Gollwitzer S, Graf W, Jost T, Lang JD, Mueller TM, Schwab S, Fietkau R, Hamer HM, Distel L. Ex vivo radiosensitivity is increased in non-cancer patients taking valproate. BMC Neurol 2020; 20:390. [PMID: 33099323 PMCID: PMC7585294 DOI: 10.1186/s12883-020-01966-z] [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: 07/09/2020] [Accepted: 10/16/2020] [Indexed: 11/25/2022] Open
Abstract
Background Valproate (VPA) is a commonly prescribed antiepileptic drug for patients experiencing epileptic seizures due to brain tumors. VPA increases radiation sensitivity in various tumor cells in vitro due to complex mechanisms. This could make tumors more vulnerable to ionizing radiation or overcome radioresistance. Yet, clinical data on possible improvement of tumor control by adding VPA to tumor therapy is controversial. Potentially radiosensitizing effects of VPA on healthy tissue remain unclear. To determine individual radiosensitivity, we analyzed blood samples of individuals taking VPA. Methods Ex vivo irradiated blood samples of 31 adult individuals with epilepsy were studied using 3-color fluorescence in situ hybridization. Aberrations in chromosomes 1, 2 and 4 were analyzed. Radiosensitivity was determined by the mean breaks per metaphase (B/M) and compared to age-matched (2:1) healthy donors. Results The patient cohort (n = 31; female: 38.7%) showed an increase of their average B/M value compared to healthy individuals (n = 61; female: 56.9%; B/M: 0.480 ± 0.09 vs. 0.415 ± 0.07; p = .001). The portion of radiosensitive (B/M > 0.500) and distinctly radiosensitive individuals (B/M > 0.600) was increased in the VPA group (54.9% vs. 11.3 and 9.7% vs. 0.0%; p < .001). In 3/31 patients, radiosensitivity was determined prior to and after VPA treatment and radiosensitivity was increased by VPA-treatment. Conclusions In our study, we confirmed that patients treated with VPA had an increased radiosensitivity compared to the control group. This could be considered in patients taking VPA prior to the beginning of radiotherapy to avoid toxic side effects of VPA-treatment.
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Affiliation(s)
- Jenny Stritzelberger
- Department of Neurology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany, Schwabachanlage 6, 91054, Erlangen, Germany.
| | - Jennifer Lainer
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany, Universitaetsstraße 27, 91054, Erlangen, Germany
| | - Stefanie Gollwitzer
- Department of Neurology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Wolfgang Graf
- Department of Neurology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Tina Jost
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany, Universitaetsstraße 27, 91054, Erlangen, Germany
| | - Johannes D Lang
- Department of Neurology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Tamara M Mueller
- Department of Neurology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Stefan Schwab
- Department of Neurology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Rainer Fietkau
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany, Universitaetsstraße 27, 91054, Erlangen, Germany
| | - Hajo M Hamer
- Department of Neurology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Luitpold Distel
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany, Universitaetsstraße 27, 91054, Erlangen, Germany
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21
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Varalda M, Antona A, Bettio V, Roy K, Vachamaram A, Yellenki V, Massarotti A, Baldanzi G, Capello D. Psychotropic Drugs Show Anticancer Activity by Disrupting Mitochondrial and Lysosomal Function. Front Oncol 2020; 10:562196. [PMID: 33194631 PMCID: PMC7604408 DOI: 10.3389/fonc.2020.562196] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 09/15/2020] [Indexed: 12/24/2022] Open
Abstract
Background and Purpose: Drug repositioning is a promising strategy for discovering new therapeutic strategies for cancer therapy. We investigated psychotropic drugs for their antitumor activity because of several epidemiological studies reporting lower cancer incidence in individuals receiving long term drug treatment. Experimental Approach: We investigated 27 psychotropic drugs for their cytotoxic activity in colorectal carcinoma, glioblastoma and breast cancer cell lines. Consistent with the cationic amphiphilic structure of the most cytotoxic compounds, we investigated their effect on mitochondrial and lysosomal compartments. Results: Penfluridol, ebastine, pimozide and fluoxetine, fluspirilene and nefazodone showed significant cytotoxicity, in the low micromolar range, in all cell lines tested. In MCF7 cells these drugs caused mitochondrial membrane depolarization, increased the acidic vesicular compartments and induced phospholipidosis. Both penfluridol and spiperone induced AMPK activation and autophagy. Neither caspase nor autophagy inhibitors rescued cells from death induced by ebastine, fluoxetine, fluspirilene and nefazodone. Treatment with 3-methyladenine partially rescued cell death induced by pimozide and spiperone, whereas enhanced the cytotoxic activity of penfluridol. Conversely, inhibition of lysosomal cathepsins significantly reduced cell death induced by ebastin, penfluridol, pimozide, spiperone and mildly in fluoxetine treated cells. Lastly, Spiperone cytotoxicity was restricted to colorectal cancer and breast cancer and caused apoptotic cell death in MCF7 cells. Conclusions: The cytotoxicity of psychotropic drugs with cationic amphiphilic structures relied on simultaneous mitochondrial and lysosomal disruption and induction of cell death that not necessarily requires apoptosis. Since dual targeting of lysosomes and mitochondria constitutes a new promising therapeutic approach for cancer, particularly those in which the apoptotic machinery is defective, these data further support their clinical development for cancer therapy.
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Affiliation(s)
- Marco Varalda
- Department of Translational Medicine, Centre of Excellence in Aging Sciences, University of Piemonte Orientale, Novara, Italy.,UPO Biobank, University of Piemonte Orientale, Novara, Italy
| | - Annamaria Antona
- Department of Translational Medicine, Centre of Excellence in Aging Sciences, University of Piemonte Orientale, Novara, Italy
| | - Valentina Bettio
- Department of Translational Medicine, Centre of Excellence in Aging Sciences, University of Piemonte Orientale, Novara, Italy.,UPO Biobank, University of Piemonte Orientale, Novara, Italy
| | - Konkonika Roy
- Center for Translational Research on Allergic and Autoimmune Diseases (CAAD), University of Piemonte Orientale, Novara, Italy
| | - Ajay Vachamaram
- Department of Translational Medicine, Centre of Excellence in Aging Sciences, University of Piemonte Orientale, Novara, Italy.,Center for Translational Research on Allergic and Autoimmune Diseases (CAAD), University of Piemonte Orientale, Novara, Italy
| | - Vaibhav Yellenki
- Department of Translational Medicine, Centre of Excellence in Aging Sciences, University of Piemonte Orientale, Novara, Italy
| | - Alberto Massarotti
- Department Pharmaceutical Sciences, University of Piemonte Orientale, Novara, Italy
| | - Gianluca Baldanzi
- Department of Translational Medicine, Centre of Excellence in Aging Sciences, University of Piemonte Orientale, Novara, Italy.,Center for Translational Research on Allergic and Autoimmune Diseases (CAAD), University of Piemonte Orientale, Novara, Italy
| | - Daniela Capello
- Department of Translational Medicine, Centre of Excellence in Aging Sciences, University of Piemonte Orientale, Novara, Italy.,UPO Biobank, University of Piemonte Orientale, Novara, Italy
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22
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He Z, Wang C, Xue H, Zhao R, Li G. Identification of a Metabolism-Related Risk Signature Associated With Clinical Prognosis in Glioblastoma Using Integrated Bioinformatic Analysis. Front Oncol 2020; 10:1631. [PMID: 33042807 PMCID: PMC7523182 DOI: 10.3389/fonc.2020.01631] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 07/27/2020] [Indexed: 12/11/2022] Open
Abstract
Altered metabolism of glucose, lipid and glutamine is a prominent hallmark of cancer cells. Currently, cell heterogeneity is believed to be the main cause of poor prognosis of glioblastoma (GBM) and is closely related to relapse caused by therapy resistance. However, the comprehensive model of genes related to glucose-, lipid- and glutamine-metabolism associated with the prognosis of GBM remains unclear, and the metabolic heterogeneity of GBM still needs to be further explored. Based on the expression profiles of 1,395 metabolism-related genes in three datasets of TCGA/CGGA/GSE, consistent cluster analysis revealed that GBM had three different metabolic status and prognostic clusters. Combining univariate Cox regression analysis and LASSO-penalized Cox regression machine learning methods, we identified a 17-metabolism-related genes risk signature associated with GBM prognosis. Kaplan-Meier analysis found that obtained signature could differentiate the prognosis of high- and low-risk patients in three datasets. Moreover, the multivariate Cox regression analysis and receiver operating characteristic curves indicated that the signature was an independent prognostic factor for GBM and had a strong predictive power. The above results were further validated in the CGGA and GSE13041 datasets, and consistent results were obtained. Gene set enrichment analysis (GSEA) suggested glycolysis gluconeogenesis and oxidative phosphorylation were significantly enriched in high- and low-risk GBM. Lastly Connectivity Map screened 54 potential compounds specific to different subgroups of GBM patients. Our study identified a novel metabolism-related gene signature, in addition the existence of three different metabolic status and two opposite biological processes in GBM were recognized, which revealed the metabolic heterogeneity of GBM. Robust metabolic subtypes and powerful risk prognostic models contributed a new perspective to the metabolic exploration of GBM.
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Affiliation(s)
- Zheng He
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Shandong Key Laboratory of Brain Function Remodeling, Jinan, China.,Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China
| | - Chengcheng Wang
- Department of Pharmacy, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao, China
| | - Hao Xue
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Shandong Key Laboratory of Brain Function Remodeling, Jinan, China.,Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China
| | - Rongrong Zhao
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Shandong Key Laboratory of Brain Function Remodeling, Jinan, China.,Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China
| | - Gang Li
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Shandong Key Laboratory of Brain Function Remodeling, Jinan, China.,Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China
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