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Miretti M, Graglia MAG, Suárez AI, Prucca CG. Photodynamic Therapy for glioblastoma: a light at the end of the tunnel. Journal of Photochemistry and Photobiology 2023. [DOI: 10.1016/j.jpap.2023.100161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
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Dick M, Jamal H, Liu YR, Celli JP, Lilge L. On the need for standardized reporting of photophysical parameters of in vitro photodynamic therapy studies. Photodiagnosis Photodyn Ther 2022; 41:103263. [PMID: 36587862 DOI: 10.1016/j.pdpdt.2022.103263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 12/22/2022] [Accepted: 12/28/2022] [Indexed: 12/31/2022]
Abstract
In vitro dose escalation experiments are one of the first gatekeepers in therapeutic evaluation and development. This also holds for evaluating novel photosensitizers (PS) and Photodynamic Therapy (PDT) co-therapies as needed to provide dose response guidelines before engaging in further pre-clinical studies. The dose needed to achieve 50% cell kill (LD50) is a standard metric to report the potency of a therapeutic agents that is widely accepted for single-drug therapies. In reporting results of PDT experiments, which involve delivery of both drug and light, it is inherently more complicated to identify such a convenient dose response metric that actually captures the larger space of treatment parameters. In addition to ubiquitous sources of biological variability that apply broadly in biomedical research, PDT treatment efficacy is determined by multiple key parameters that may or may not have been documented, including PS concentration and light fluence, where the latter is itself a function of the spectral properties of the light source used (often not described), not to mention dose rate, fractionation and other parameters that potentially vary between individual studies. It is impossible to compare results between two study when, for example one reports LD50 PS concentration without providing essential light dosimetry details. Motivated by this challenge in comparing outcomes and establishing reproducibility of in vitro PDT studies, we endeavored to perform a meta-analysis of the reporting of PDT results by converting, where possible, the disparately reported experimental details into a consistent metric that could be used to compare across studies. In this context we adopt here the number of photons absorbed by photosensitizers per unit volume to affect a 50% decline in cell survival as a standardized metric. By choosing this metric one can acknowledge the quantum-based generation of cytotoxins. While this metric does not cover every possible source of variability between any two studies, for a PS with known optical properties, this does encapsulate PS concentration as well as irradiance and spectral properties of light delivered. For the sake of focus we adopt this approach for study of reported results with two photosensitizers, Protoporphyrin IX, either synthesized in the cells by aminolevulinic acid or administered exogenously, and Chlorin e6. A literature search was performed to identify in vitro studies with these two photosensitizers and collect necessary information to calculate the absorbed photon LD50 threshold for each study. Only approximately 1/10 of the manuscripts reporting on in vitro studies provide the minimum required information to calculate the threshold values. While the majority of the determined threshold values are within a factor of 10, the range of threshold values spanned close to 7 orders of magnitude for both photosensitizers. To contrast with single-agent therapies, a similar exercise was performed for chemotherapeutic drugs targeting cellular mitosis or tyrosine kinase inhibitors resulted in an LD50 or IC50 range of 1-2 orders of magnitude, with LD50 or IC50 values for a single cell line being within a factor of 5. This review underscores challenges in the reporting of in vitro PDT efficacy. In many cases it takes considerable effort to extract the necessary methodology information to make meaningful comparison between PDT studies. Only when results between studies can be compared is it possible to begin to assess reproducibility which, as shown here, can be a major issue. Hence, guidelines need to be developed and enforced through the peer review process for meaningful reporting of preclinical PDT results in order for the most promising sensitizers and co-therapies to be identified and translated into the clinic.
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Affiliation(s)
- Madison Dick
- Princess Margaret Cancer Centre at University Health Network, Toronto, Ontario, Canada
| | - Hunain Jamal
- Princess Margaret Cancer Centre at University Health Network, Toronto, Ontario, Canada
| | - Yi Ran Liu
- Department of Physics, University of Massachusetts Boston, Boston, Massachusetts, USA
| | - Jonathan P Celli
- Department of Physics, University of Massachusetts Boston, Boston, Massachusetts, USA
| | - Lothar Lilge
- Princess Margaret Cancer Centre at University Health Network, Toronto, Ontario, Canada; Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada.
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Altinoz MA, Ozpinar A, Hacker E, Ozpinar A. A hypothetical proposal to employ meperidine and tamoxifen in treatment of glioblastoma. Role of P-glycoprotein, ceramide and metabolic pathways. Clin Neurol Neurosurg 2022; 215:107208. [DOI: 10.1016/j.clineuro.2022.107208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 02/15/2022] [Accepted: 02/23/2022] [Indexed: 11/20/2022]
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Shinoda Y, Kato D, Ando R, Endo H, Takahashi T, Tsuneoka Y, Fujiwara Y. Systematic Review and Meta-Analysis of In Vitro Anti-Human Cancer Experiments Investigating the Use of 5-Aminolevulinic Acid (5-ALA) for Photodynamic Therapy. Pharmaceuticals (Basel) 2021; 14:229. [PMID: 33800109 DOI: 10.3390/ph14030229] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 02/26/2021] [Accepted: 02/27/2021] [Indexed: 12/11/2022] Open
Abstract
5-Aminolevulinic acid (5-ALA) is an amino acid derivative and a precursor of protoporphyrin IX (PpIX). The photophysical feature of PpIX is clinically used in photodynamic diagnosis (PDD) and photodynamic therapy (PDT). These clinical applications are potentially based on in vitro cell culture experiments. Thus, conducting a systematic review and meta-analysis of in vitro 5-ALA PDT experiments is meaningful and may provide opportunities to consider future perspectives in this field. We conducted a systematic literature search in PubMed to summarize the in vitro 5-ALA PDT experiments and calculated the effectiveness of 5-ALA PDT for several cancer cell types. In total, 412 articles were identified, and 77 were extracted based on our inclusion criteria. The calculated effectiveness of 5-ALA PDT was statistically analyzed, which revealed a tendency of cancer-classification-dependent sensitivity to 5-ALA PDT, and stomach cancer was significantly more sensitive to 5-ALA PDT compared with cancers of different origins. Based on our analysis, we suggest a standardized in vitro experimental protocol for 5-ALA PDT.
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Haas B, Ciftcioglu J, Jermar S, Weickhardt S, Eckstein N, Kaina B. Methadone-mediated sensitization of glioblastoma cells is drug and cell line dependent. J Cancer Res Clin Oncol 2021; 147:779-792. [PMID: 33315125 PMCID: PMC7872955 DOI: 10.1007/s00432-020-03485-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 11/24/2020] [Indexed: 11/27/2022]
Abstract
PURPOSE D,L-methadone (MET), an analgesic drug used for pain treatment and opiate addiction, has achieved attention from oncologists and social media as possible chemoensitizing agent in cancer therapy, notably brain cancer (glioblastoma multiforme, GBM). MET has been reported to enhance doxorubicin-induced cytotoxicity in GBM cells via activation of the µ-opioid receptor (MOR). Here, we extended this work and quantified the toxic effect of MET in comparison to other opioids alone and in combination with doxorubicin and the clinically more relevant alkylating drug temozolomide (TMZ), using a set of GBM cell lines and primary GBM cells. METHODS MOR expression in GBM cells was investigated by immunofluorescence and immunoblotting. Resistance to drugs alone and in combination with anticancer drugs was assessed by MTT assays. Concentration effect curves were fitted by nonlinear regression analysis and IC50 values were calculated. Apoptosis and necrosis rates were determined by annexin V/propidium iodide (PI)-flow cytometry. RESULTS MET alone was cytotoxic in all GBM cell lines and primary GBM cells at high micromolar concentrations (IC50 ~ 60-130 µM), observed both in the metabolic MTT assay and by quantifying apoptosis and necrosis, while morphine and oxycodone were not cytotoxic in this concentration range. Naloxone was not able to block MET-induced cytotoxicity, indicating that cell death-inducing effects of MET are not MOR-dependent. We recorded doxorubicin and TMZ concentration- response curves in combination with fixed MET concentrations. MET enhanced doxorubicin-induced cytotoxicity in only one cell line, and in primary cells it was observed only in a particular MET concentration range. In all assays, MET was not effective in sensitizing cells to TMZ. In two cell lines, MET even decreased the cell's sensitivity to TMZ. CONCLUSION MET was found to be cytotoxic in GBM cells in vitro only at high, clinically not relevant concentrations, where it was effective in inducing apoptosis and necrosis. Sensitizing effects were only observed in combination with doxorubicin, but not with TMZ, and are dependent on cell line and the applied drug concentration. Therefore, our findings do not support the use of MET in the treatment of GBM in combination with TMZ, as no sensitizing effect of MET was observed.
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MESH Headings
- Analgesics, Opioid/administration & dosage
- Analgesics, Opioid/pharmacology
- Antineoplastic Combined Chemotherapy Protocols/pharmacology
- Brain Neoplasms/drug therapy
- Brain Neoplasms/metabolism
- Brain Neoplasms/pathology
- Cell Line, Tumor
- Doxorubicin/administration & dosage
- Doxorubicin/pharmacology
- Drug Screening Assays, Antitumor
- Drug Synergism
- Glioblastoma/drug therapy
- Glioblastoma/metabolism
- Glioblastoma/pathology
- Humans
- Methadone/administration & dosage
- Methadone/pharmacology
- Morphine/pharmacology
- Naloxone/pharmacology
- Oxycodone/pharmacology
- Receptors, Opioid, mu/agonists
- Receptors, Opioid, mu/antagonists & inhibitors
- Receptors, Opioid, mu/biosynthesis
- Tumor Cells, Cultured
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Affiliation(s)
- Bodo Haas
- Federal Institute for Drugs and Medical Devices, Kurt-Georg-Kiesinger-Allee 3, 53175, Bonn, Germany.
| | - Janine Ciftcioglu
- Federal Institute for Drugs and Medical Devices, Kurt-Georg-Kiesinger-Allee 3, 53175, Bonn, Germany
- Faculty of Applied Natural Sciences, Cologne University of Applied Sciences, Kaiser-Wilhelm-Allee, 51368, Leverkusen, Germany
| | - Sanja Jermar
- Federal Institute for Drugs and Medical Devices, Kurt-Georg-Kiesinger-Allee 3, 53175, Bonn, Germany
- Faculty of Applied Natural Sciences, Cologne University of Applied Sciences, Kaiser-Wilhelm-Allee, 51368, Leverkusen, Germany
| | - Sandra Weickhardt
- Federal Institute for Drugs and Medical Devices, Kurt-Georg-Kiesinger-Allee 3, 53175, Bonn, Germany
| | - Niels Eckstein
- Applied Pharmacy, University of Applied Sciences Kaiserslautern, Campus Pirmasens, Carl-Schurz-Str. 10-16, 66953, Pirmasens, Germany
| | - Bernd Kaina
- Institute of Toxicology, University Medical Center, Obere Zahlbacher Strasse 67, 55131, Mainz, Germany
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Zhi D, Yang T, O'Hagan J, Zhang S, Donnelly RF. Photothermal therapy. J Control Release 2020; 325:52-71. [DOI: 10.1016/j.jconrel.2020.06.032] [Citation(s) in RCA: 117] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Revised: 06/24/2020] [Accepted: 06/26/2020] [Indexed: 12/15/2022]
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Mordon S, Thécua E, Ziane L, Lecomte F, Deleporte P, Baert G, Vignion‐Dewalle A. Light emitting fabrics for photodynamic therapy: Technology, experimental and clinical applications. Translational Biophotonics 2020. [DOI: 10.1002/tbio.202000005] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Affiliation(s)
- Serge Mordon
- University of Lille, Inserm, CHU Lille, U1189 – OncoThAI –Laser Assisted Therapies and Immunotherapies for Oncology Lille France
| | - Elise Thécua
- University of Lille, Inserm, CHU Lille, U1189 – OncoThAI –Laser Assisted Therapies and Immunotherapies for Oncology Lille France
| | - Laurine Ziane
- University of Lille, Inserm, CHU Lille, U1189 – OncoThAI –Laser Assisted Therapies and Immunotherapies for Oncology Lille France
| | - Fabienne Lecomte
- University of Lille, Inserm, CHU Lille, U1189 – OncoThAI –Laser Assisted Therapies and Immunotherapies for Oncology Lille France
| | - Pascal Deleporte
- University of Lille, Inserm, CHU Lille, U1189 – OncoThAI –Laser Assisted Therapies and Immunotherapies for Oncology Lille France
| | - Grégory Baert
- University of Lille, Inserm, CHU Lille, U1189 – OncoThAI –Laser Assisted Therapies and Immunotherapies for Oncology Lille France
| | - Anne‐Sophie Vignion‐Dewalle
- University of Lille, Inserm, CHU Lille, U1189 – OncoThAI –Laser Assisted Therapies and Immunotherapies for Oncology Lille France
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Vatter T, Klumpp L, Ganser K, Stransky N, Zips D, Eckert F, Huber SM. Against Repurposing Methadone for Glioblastoma Therapy. Biomolecules 2020; 10:biom10060917. [PMID: 32560384 PMCID: PMC7356722 DOI: 10.3390/biom10060917] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 06/08/2020] [Accepted: 06/11/2020] [Indexed: 02/06/2023] Open
Abstract
Methadone, which is used as maintenance medication for outpatient treatment of opioid dependence or as an analgesic drug, has been suggested by preclinical in vitro and mouse studies to induce cell death and sensitivity to chemo- or radiotherapy in leukemia, glioblastoma, and carcinoma cells. These data together with episodical public reports on long-term surviving cancer patients who use methadone led to a hype of methadone as an anti-cancer drug in social and public media. However, clinical evidence for a tumoricidal effect of methadone is missing and prospective clinical trials, except in colorectal cancer, are not envisaged because of the limited preclinical data available. The present article reviews the pharmacokinetics, potential molecular targets, as well as the evidence for a tumoricidal effect of methadone in view of the therapeutically achievable doses in the brain. Moreover, it provides original in vitro data showing that methadone at clinically relevant concentrations fails to impair clonogenicity or radioresistance of glioblastoma cells.
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Affiliation(s)
- Tatjana Vatter
- Department of Radiation Oncology, University of Tübingen, 72076 Tübingen, Germany; (T.V.); (L.K.); (K.G.); (N.S.); (D.Z.); (F.E.)
| | - Lukas Klumpp
- Department of Radiation Oncology, University of Tübingen, 72076 Tübingen, Germany; (T.V.); (L.K.); (K.G.); (N.S.); (D.Z.); (F.E.)
| | - Katrin Ganser
- Department of Radiation Oncology, University of Tübingen, 72076 Tübingen, Germany; (T.V.); (L.K.); (K.G.); (N.S.); (D.Z.); (F.E.)
| | - Nicolai Stransky
- Department of Radiation Oncology, University of Tübingen, 72076 Tübingen, Germany; (T.V.); (L.K.); (K.G.); (N.S.); (D.Z.); (F.E.)
- Department of Pharmacology, Toxicology and Clinical Pharmacy, Institute of Pharmacy, University of Tübingen, 72076 Tübingen, Germany
| | - Daniel Zips
- Department of Radiation Oncology, University of Tübingen, 72076 Tübingen, Germany; (T.V.); (L.K.); (K.G.); (N.S.); (D.Z.); (F.E.)
- German Cancer Consortium (DKTK), Partner Site Tübingen, Tübingen, Germany, and German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Franziska Eckert
- Department of Radiation Oncology, University of Tübingen, 72076 Tübingen, Germany; (T.V.); (L.K.); (K.G.); (N.S.); (D.Z.); (F.E.)
- German Cancer Consortium (DKTK), Partner Site Tübingen, Tübingen, Germany, and German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Stephan M. Huber
- Department of Radiation Oncology, University of Tübingen, 72076 Tübingen, Germany; (T.V.); (L.K.); (K.G.); (N.S.); (D.Z.); (F.E.)
- Correspondence: ; Tel.: +49-(0)7071-29-82183
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Mohammad Hadi L, Yaghini E, MacRobert AJ, Loizidou M. Synergy between Photodynamic Therapy and Dactinomycin Chemotherapy in 2D and 3D Ovarian Cancer Cell Cultures. Int J Mol Sci 2020; 21:E3203. [PMID: 32366058 PMCID: PMC7247344 DOI: 10.3390/ijms21093203] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 04/27/2020] [Accepted: 04/28/2020] [Indexed: 01/05/2023] Open
Abstract
In this study we explored the efficacy of combining low dose photodynamic therapy using a porphyrin photosensitiser and dactinomycin, a commonly used chemotherapeutic agent. The studies were carried out on compressed collagen 3D constructs of two human ovarian cancer cell lines (SKOV3 and HEY) versus their monolayer counterparts. An amphiphilc photosensitiser was employed, disulfonated tetraphenylporphine, which is not a substrate for ABC efflux transporters that can mediate drug resistance. The combination treatment was shown to be effective in both monolayer and 3D constructs of both cell lines, causing a significant and synergistic reduction in cell viability. Compared to dactinomycin alone or PDT alone, higher cell kill was found using 2D monolayer culture vs. 3D culture for the same doses. In 3D culture, the combination therapy resulted in 10 and 22 times higher cell kill in SKOV3 and HEY cells at the highest light dose compared to dactinomycin monotherapy, and 2.2 and 5.5 times higher cell kill than PDT alone. The combination of low dose PDT and dactinomycin appears to be a promising way to repurpose dactinomycin and widen its therapeutic applications.
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Affiliation(s)
- Layla Mohammad Hadi
- Division of Surgery & Interventional Science, Faculty of Medical Sciences, University College London, London NW3 2QG, UK; (E.Y.); (A.J.M.)
| | | | | | - Marilena Loizidou
- Division of Surgery & Interventional Science, Faculty of Medical Sciences, University College London, London NW3 2QG, UK; (E.Y.); (A.J.M.)
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Mishchenko TA, Turubanova VD, Mitroshina EV, Alzeibak R, Peskova NN, Lermontova SA, Klapshina LG, Balalaeva IV, Vedunova MV, Krysko DV. Effect of novel porphyrazine photosensitizers on normal and tumor brain cells. J Biophotonics 2020; 13:e201960077. [PMID: 31595675 DOI: 10.1002/jbio.201960077] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 09/17/2019] [Accepted: 09/20/2019] [Indexed: 06/10/2023]
Abstract
Photodynamic therapy (PDT) is a clinically approved procedure for targeting tumor cells. Though several different photosensitizers have been developed, there is still much demand for novel photosensitizers with improved properties. In this study we aim to characterize the accumulation, localization and dark cytotoxicity of the novel photosensitizers developed in-house derivatives of porphyrazines (pz I-IV) in primary murine neuronal cells, as well as to identify the concentrations at which pz still effectively induces death in glioma cells yet is nontoxic to nontransformed cells. The study shows that incubation of primary neuronal and glioma cells with pz I-IV leads to their accumulation in both types of cells, but their rates of internalization, subcellular localization and dark toxicity differ significantly. Pz II was the most promising photosensitizer. It efficiently killed glioma cells while remaining nontoxic to primary neuronal cells. This opens up the possibility of evaluating pz II for experimental PDT for glioma.
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Affiliation(s)
- Tatiana A Mishchenko
- Institute of Biology and Biomedicine, Lobachevsky State University of Nizhni Novgorod, Nizhny Novgorod, Russian Federation
| | - Victoria D Turubanova
- Institute of Biology and Biomedicine, Lobachevsky State University of Nizhni Novgorod, Nizhny Novgorod, Russian Federation
| | - Elena V Mitroshina
- Institute of Biology and Biomedicine, Lobachevsky State University of Nizhni Novgorod, Nizhny Novgorod, Russian Federation
| | - Razan Alzeibak
- Institute of Biology and Biomedicine, Lobachevsky State University of Nizhni Novgorod, Nizhny Novgorod, Russian Federation
| | - Nina N Peskova
- Institute of Biology and Biomedicine, Lobachevsky State University of Nizhni Novgorod, Nizhny Novgorod, Russian Federation
| | - Svetlana A Lermontova
- G.A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences, Nizhny Novgorod, Russian Federation
| | - Larisa G Klapshina
- G.A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences, Nizhny Novgorod, Russian Federation
| | - Irina V Balalaeva
- Institute of Biology and Biomedicine, Lobachevsky State University of Nizhni Novgorod, Nizhny Novgorod, Russian Federation
| | - Maria V Vedunova
- Institute of Biology and Biomedicine, Lobachevsky State University of Nizhni Novgorod, Nizhny Novgorod, Russian Federation
| | - Dmitri V Krysko
- Institute of Biology and Biomedicine, Lobachevsky State University of Nizhni Novgorod, Nizhny Novgorod, Russian Federation
- Cell Death Investigation and Therapy (CDIT) Laboratory, Department of Human Structure and Repair, Ghent University, Ghent, Belgium
- Cancer Research Institute Ghent, Ghent, Belgium
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