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Fang J, Lou S, Zhou X, Lou D, Zhou L, Bian R. Dihydromyricetin reverses capecitabine-induced peripheral myelin dysfunction through modulation of oxidative stress. Clin Exp Pharmacol Physiol 2024; 51:e13833. [PMID: 38302079 DOI: 10.1111/1440-1681.13833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 09/21/2023] [Accepted: 10/22/2023] [Indexed: 02/03/2024]
Abstract
Previous clinical reports have shown that capecitabine, an oral prodrug of 5-fluorouracil (5-Fu), can induce peripheral neuropathy, resulting in numbness, paresthesia and hypoesthesia. However, the mechanism through which capecitabine causes peripheral nerve injury remains unclear. Here, we demonstrate that systemic administration of capecitabine leads to myelin abnormalities in the peripheral nerves of mice, which are possibly attributed to the death of Schwann cells, the myelinating cells in the peripheral nervous system. Furthermore, our results show that 5-Fu induces significant oxidative stress in Schwann cells by inhibiting the expression of the anti-oxidative protein DJ-1, leading to a decrease in Schwann cell markers. We found that the anti-oxidant dihydromyricetin (DMY) reverses 5-Fu-induced Schwann cell death and oxidative stress and alleviates capecitabine-induced myelin abnormalities. Taken together, our data indicate that capecitabine induces peripheral myelin dysfunction by regulating DJ-1-mediated oxidative stress in Schwann cells and reveal DMY as a potential therapeutic strategy for capecitabine-induced peripheral neuropathy.
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Affiliation(s)
- Jie Fang
- Emergency Department, Zhoushan Hospital, Zhoushan, China
| | - Shuyi Lou
- National Computer Network Emergency Response Technical Team/Coordination Center of China, Beijing, China
| | | | - Dayong Lou
- Zhuji People's Hospital of Zhejiang Province, Shaoxin, China
| | - Liqin Zhou
- Zhuji People's Hospital of Zhejiang Province, Shaoxin, China
| | - Rong Bian
- Zhuji People's Hospital of Zhejiang Province, Shaoxin, China
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Nunes C, Proença S, Ambrosini G, Pamies D, Thomas A, Kramer NI, Zurich MG. Integrating distribution kinetics and toxicodynamics to assess repeat dose neurotoxicity in vitro using human BrainSpheres: a case study on amiodarone. Front Pharmacol 2023; 14:1248882. [PMID: 37745076 PMCID: PMC10512064 DOI: 10.3389/fphar.2023.1248882] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 07/24/2023] [Indexed: 09/26/2023] Open
Abstract
For ethical, economical, and scientific reasons, animal experimentation, used to evaluate the potential neurotoxicity of chemicals before their release in the market, needs to be replaced by new approach methodologies. To illustrate the use of new approach methodologies, the human induced pluripotent stem cell-derived 3D model BrainSpheres was acutely (48 h) or repeatedly (7 days) exposed to amiodarone (0.625-15 µM), a lipophilic antiarrhythmic drug reported to have deleterious effects on the nervous system. Neurotoxicity was assessed using transcriptomics, the immunohistochemistry of cell type-specific markers, and real-time reverse transcription-polymerase chain reaction for various genes involved in the lipid metabolism. By integrating distribution kinetics modeling with neurotoxicity readouts, we show that the observed time- and concentration-dependent increase in the neurotoxic effects of amiodarone is driven by the cellular accumulation of amiodarone after repeated dosing. The development of a compartmental in vitro distribution kinetics model allowed us to predict the change in cell-associated concentrations in BrainSpheres with time and for different exposure scenarios. The results suggest that human cells are intrinsically more sensitive to amiodarone than rodent cells. Amiodarone-induced regulation of lipid metabolism genes was observed in brain cells for the first time. Astrocytes appeared to be the most sensitive human brain cell type in vitro. In conclusion, assessing readouts at different molecular levels after the repeat dosing of human induced pluripotent stem cell-derived BrainSpheres in combination with the compartmental modeling of in vitro kinetics provides a mechanistic means to assess neurotoxicity pathways and refine chemical safety assessment for humans.
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Affiliation(s)
- Carolina Nunes
- Department of Biomedical Sciences, University of Lausanne, Lausanne, Switzerland
- Swiss Centre for Applied Human Toxicology (SCAHT), Basel, Switzerland
| | - Susana Proença
- Institute for Risk Assessment Sciences, Utrecht University, Utrecht, Netherlands
- Toxicology Division, Wageningen University, Wageningen, Netherlands
| | - Giovanna Ambrosini
- Bioinformatics Competence Center, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
- Bioinformatics Competence Center, University of Lausanne, Lausanne, Switzerland
| | - David Pamies
- Department of Biomedical Sciences, University of Lausanne, Lausanne, Switzerland
- Swiss Centre for Applied Human Toxicology (SCAHT), Basel, Switzerland
| | - Aurélien Thomas
- Unit of Forensic Toxicology and Chemistry, CURML, Lausanne and Geneva University Hospitals, Geneva, Switzerland
- Faculty Unit of Toxicology, CURML, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland
| | - Nynke I. Kramer
- Institute for Risk Assessment Sciences, Utrecht University, Utrecht, Netherlands
- Toxicology Division, Wageningen University, Wageningen, Netherlands
| | - Marie-Gabrielle Zurich
- Department of Biomedical Sciences, University of Lausanne, Lausanne, Switzerland
- Swiss Centre for Applied Human Toxicology (SCAHT), Basel, Switzerland
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Bayrakçeken K, Ucgul RK, Coban T, Yazıcı G, Suleyman H. Effect of adenosine triphosphate on amiodarone-induced optic neuropathy in rats: biochemical and histopathological evaluation. Cutan Ocul Toxicol 2023; 42:162-167. [PMID: 37335833 DOI: 10.1080/15569527.2023.2227265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 05/27/2023] [Accepted: 06/15/2023] [Indexed: 06/21/2023]
Abstract
OBJECTIVE This study aims to investigate possible preventive effect of ATP on optic nerve damage caused by amiodarone in rats. MATERIAL AND METHOD Thirty albino male Wistar rats weighing between 265 and 278 g were used in the study. Before the experiment, the rats were housed at 22 °C in a 12-h light/dark cycle under appropriate condition. The rats were equally divided into five groups of six animals each: healthy group, 50 mg/kg amiodarone (AMD-50), 100 mg/kg amiodarone (AMD-100), 25 mg/kg ATP + 50 mg/kg amiodarone (ATAD-50), and 25 mg/kg ATP + 100 mg/kg amiodarone (ATAD-100). At the end of 14th day, the animals were sacrificed using cardiac puncture under deep thiopental anaesthesia, and optic nerve tissues were harvested to measure superoxide dismutase (SOD), total glutathione (tGSH), malondialdehyde (MDA), and catalase (CAT) levels. RESULTS The MDA levels were found to be significantly higher in the AMD-50 and AMD-100 groups compared to the healthy group (p ˂ 0.001). There was also a significant difference between the AMD-50 and ATAD-50 groups, and between the AMD-100 and ATAD-100 groups regarding MDA levels (p ˂ 0.001). tGSH, SOD, and CAT levels were significantly lower in the AMD-50 and AMD-100 groups compared to the healthy group (p ˂ 0.001). ATP was found to partially inhibit amiodarone-induced optic neuropathy. CONCLUSION The biochemical and histopathological results of this study demonstrated that amiodarone at high doses caused more severe optic neuropathy inducing oxidative damage, but ATP could relatively antagonise these negative effects on the optic nerve. Therefore, we believe that ATP may be beneficial in preventing amiodarone-induced optic neuropathy.
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Affiliation(s)
- Kemal Bayrakçeken
- Department of Ophthalmology, Erzincan Binali Yildirim University Faculty of Medicine, Erzincan, Turkey
| | - Rukiye Kilic Ucgul
- Department of Ophthalmology, Kirsehir Ahi Evran University Training and Research Hospital, Kirsehir, Turkey
| | - Taha Coban
- Faculty of Medicine, Department of Biochemistry, Erzincan Binali Yildirim University, Erzincan, Turkey
| | - Gulce Yazıcı
- Faculty of Medicine, Department of Histology and Embryology, Erzincan Binali Yildirim University, Erzincan, Turkey
| | - Halis Suleyman
- Faculty of Medicine, Department of Pharmacology, Erzincan Binali Yildirim University, Erzincan, Turkey
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Ma OKF, Ronsisvalle S, Basile L, Xiang AW, Tomasella C, Sipala F, Pappalardo M, Chan KH, Milardi D, Ng RCL, Guccione S. Identification of a novel adiponectin receptor and opioid receptor dual acting agonist as a potential treatment for diabetic neuropathy. Biomed Pharmacother 2023; 158:114141. [PMID: 36542987 DOI: 10.1016/j.biopha.2022.114141] [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: 10/03/2022] [Revised: 12/03/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022] Open
Abstract
Diabetic neuropathy (DN) is a long-term complication of diabetes mellitus, affecting different periphery nerve systems including sensory and motor neurons. Hyperglycemia is the major cause of DN with symptoms such as weakness of balance or coordination, insensitivity to sensation, weakness of the muscles as well as numbness and pain in limbs Analgesic drug such as opioids can be effective to relief neuropathy pain but there is no effective treatment. Adiponectin is an anti-diabetic adipokine, which possesses insulin-sensitizing and neuroprotective effects. In this project, we aim to identify an agent which is dual acting to opioid and adiponectin receptors. Within a virtual screening repositioning campaign, a large collection of compounds with different structures comprehensive of adipoRon-like piperidine derivatives was screened by docking. Recently developed opioid receptor benzomorphanic agonists finally emerged as good ligands to adiponectin receptors showing some 2D and 3D structural similarities with AdipoRon. Particularly, we have identified (+)-MML1017, which has high affinity to the same binding domain of AdipoR1 and AdipoR2 as AdipoRon. Our western blot results indicate (+)-MML1017 activates AMPK phosphorylation through both adipoR1 and adipoR2 in neuronal cell line. Moreover, pretreatment of (+)-MML1017 can improve the cell viability with motor neurons under hyperglycermic conditions. The (+)-MML1017 also activates μ-opioid receptor cells in a concentration-dependent manner. Our study identified a novel compound having dual activity on opioid receptors and adiponectin receptors that may have analgesic effects and neuroprotective effects to treat diabetic neuropathy.
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Affiliation(s)
- Oscar Ka-Fai Ma
- Department of Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region
| | - Simone Ronsisvalle
- Department of Drug and Health Science, University of Catania, Viale A.Doria 6 ed.2, I-95125 Catania, Italy
| | - Livia Basile
- Department of Drug and Health Science, University of Catania, Viale A.Doria 6 ed.2, I-95125 Catania, Italy
| | - Ariya Weiman Xiang
- Department of Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region
| | - Cristina Tomasella
- Department of Drug and Health Science, University of Catania, Viale A.Doria 6 ed.2, I-95125 Catania, Italy
| | - Federica Sipala
- Department of Drug and Health Science, University of Catania, Viale A.Doria 6 ed.2, I-95125 Catania, Italy
| | - Matteo Pappalardo
- Department of Drug and Health Science, University of Catania, Viale A.Doria 6 ed.2, I-95125 Catania, Italy
| | - Koon-Ho Chan
- Department of Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region
| | - Danilo Milardi
- CNR (National Research Council of Italy) - Institute of Crystallography, Via Paolo Gaifami 18, I-95126 Catania, Italy
| | - Roy Chun-Laam Ng
- Department of Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region.
| | - Salvatore Guccione
- Department of Drug and Health Science, University of Catania, Viale A.Doria 6 ed.2, I-95125 Catania, Italy.
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Sharma KK, Fatima N, Ali Z, Moshin M, Chandra P, Verma A, Goshain O, Kumar G. Neuropathy, its Profile and Experimental Nerve Injury Neuropathic Pain Models: A Review. Curr Pharm Des 2023; 29:3343-3356. [PMID: 38058089 DOI: 10.2174/0113816128274200231128065425] [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: 08/11/2023] [Revised: 10/17/2023] [Accepted: 11/06/2023] [Indexed: 12/08/2023]
Abstract
Neuropathy is a terrible disorder that has a wide range of etiologies. Drug-induced neuropathy, which happens whenever a chemical agent damages the peripheral nerve system, has been linked here to the iatrogenic creation of some drugs. It is potentially permanent and causes sensory impairments and paresthesia that typically affects the hands, feet, and stockings; motor participation is uncommon. It might appear suddenly or over time, and the long-term outlook varies. The wide range of chronic pain conditions experienced by people has been one of the main obstacles to developing new, more effective medications for the treatment of neuropathic pain. Animal models can be used to examine various neuropathic pain etiologies and symptoms. Several models investigate the peripheral processes of neuropathic pain, whereas some even investigate the central mechanisms, such as drug induce models like vincristine, cisplatin, bortezomib, or thalidomide, etc., and surgical models like sciatic nerve chronic constriction injury (CCI), sciatic nerve ligation through spinal nerve ligation (SNL), sciatic nerve damage caused by a laser, SNI (spared nerve injury), etc. The more popular animal models relying on peripheral nerve ligatures are explained. In contrast to chronic sciatic nerve contraction, which results in behavioral symptoms of less reliable stressful neuropathies, (SNI) spared nerve injury generates behavioral irregularities that are more feasible over a longer period. This review summarizes the latest methods models as well as clinical ideas concerning this mechanism. Every strongest current information on neuropathy is discussed, along with several popular laboratory models for causing neuropathy.
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Affiliation(s)
- Krishana Kumar Sharma
- Department of Pharmacology, Teerthanker Mahaveer College of Pharmacy, Teerthanker Mahaveer University, Moradabad, Uttar Pradesh 244001, India
| | - Nishat Fatima
- Department of Pharmacology, Teerthanker Mahaveer College of Pharmacy, Teerthanker Mahaveer University, Moradabad, Uttar Pradesh 244001, India
| | - Zeeshan Ali
- Department of Pharmacology, Teerthanker Mahaveer College of Pharmacy, Teerthanker Mahaveer University, Moradabad, Uttar Pradesh 244001, India
| | - Mohd Moshin
- Department of Pharmacology, Teerthanker Mahaveer College of Pharmacy, Teerthanker Mahaveer University, Moradabad, Uttar Pradesh 244001, India
| | - Phool Chandra
- Department of Pharmacology, Teerthanker Mahaveer College of Pharmacy, Teerthanker Mahaveer University, Moradabad, Uttar Pradesh 244001, India
| | - Anurag Verma
- Department of Pharmacology, Teerthanker Mahaveer College of Pharmacy, Teerthanker Mahaveer University, Moradabad, Uttar Pradesh 244001, India
| | - Omprakash Goshain
- Department of Pharmacology, Teerthanker Mahaveer College of Pharmacy, Teerthanker Mahaveer University, Moradabad, Uttar Pradesh 244001, India
| | - Gajendra Kumar
- Department of Chemistry, Constituent Government College (M.J.P.R.U.), Hasanpur, Uttar Pradesh 244241, India
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Angelaki D, Kavatzikidou P, Fotakis C, Stratakis E, Ranella A. Laser-Structured Si and PLGA Inhibit the Neuro2a Differentiation in Mono- and Co-Culture with Glia. Tissue Eng Regen Med 2022; 20:111-125. [PMID: 36538193 PMCID: PMC9852401 DOI: 10.1007/s13770-022-00497-7] [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: 05/11/2022] [Revised: 08/31/2022] [Accepted: 09/25/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND The first step towards a successful neural tissue engineering therapy is the development of an appropriate scaffold and the in vitro study of the cellular response onto it. METHODS Here, we fabricated nano- and micro- patterned Si surfaces via direct ultrafast laser irradiation, as well as their replicas in the biodegradable poly(lactide-co-glycolide), in order to use them as culture substrates for neuronal cells. The differentiation of neuro2a cells on the Si platforms and their replicas was studied both in a mono-culture and in a co-culture with glial cells (Schwann-SW10). RESULTS It was found that the substrate's roughness inhibits the differentiation of the neuronal cells even in the presence of the differentiation medium, and the higher the roughness is, the more the differentiation gets limited. CONCLUSION Our results highlight the importance of the substrate's topography for the controlled growth and differentiation of the neuronal cells and their further study via protein screening methods could shed light on the factors that lead to limited differentiation; thus, contributing to the long standing request for culture substrates that induce cells to differentiate.
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Affiliation(s)
- Despoina Angelaki
- Institute of Electronic Structure and Laser, Foundation for Research and Technology- Hellas (IESL- FORTH), 711 10 Heraklion, Greece ,Department of Physics, University of Crete, 710 03 Heraklion, Greece
| | - Paraskevi Kavatzikidou
- Institute of Electronic Structure and Laser, Foundation for Research and Technology- Hellas (IESL- FORTH), 711 10 Heraklion, Greece
| | - Costas Fotakis
- Institute of Electronic Structure and Laser, Foundation for Research and Technology- Hellas (IESL- FORTH), 711 10 Heraklion, Greece ,Department of Physics, University of Crete, 710 03 Heraklion, Greece
| | - Emmanuel Stratakis
- Institute of Electronic Structure and Laser, Foundation for Research and Technology- Hellas (IESL- FORTH), 711 10 Heraklion, Greece ,Department of Physics, University of Crete, 710 03 Heraklion, Greece
| | - Anthi Ranella
- Institute of Electronic Structure and Laser, Foundation for Research and Technology- Hellas (IESL- FORTH), 711 10 Heraklion, Greece
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Takaku S, Sango K. Pretreatment with Zonisamide Mitigates Oxaliplatin-Induced Toxicity in Rat DRG Neurons and DRG Neuron–Schwann Cell Co-Cultures. Int J Mol Sci 2022; 23:ijms23179983. [PMID: 36077386 PMCID: PMC9456039 DOI: 10.3390/ijms23179983] [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: 08/01/2022] [Revised: 08/25/2022] [Accepted: 08/29/2022] [Indexed: 12/05/2022] Open
Abstract
Oxaliplatin (OHP) is a platinum-based agent that can cause peripheral neuropathy, an adverse effect in which the dorsal root ganglion (DRG) neurons are targeted. Zonisamide has exhibited neuroprotective activities toward adult rat DRG neurons in vitro and therefore, we aimed to assess its potential efficacy against OHP-induced neurotoxicity. Pretreatment with zonisamide (100 μM) alleviated the DRG neuronal death caused by OHP (75 μM) and the protective effects were attenuated by a co-incubation with 25 μM of the mitogen-activated protein kinase (MAPK; MEK/ERK) inhibitor, U0126, or the phosphatidyl inositol-3′-phosphate-kinase (PI3K) inhibitor, LY294002. Pretreatment with zonisamide also suppressed the OHP-induced p38 MAPK phosphorylation in lined DRG neurons, ND7/23, while the OHP-induced DRG neuronal death was alleviated by pretreatment with the p38 MAPK inhibitor, SB239063 (25 μM). Although zonisamide failed to protect the immortalized rat Schwann cells IFRS1 from OHP-induced cell death, it prevented neurite degeneration and demyelination-like changes, as well as the reduction of the serine/threonine-specific protein kinase (AKT) phosphorylation in DRG neuron–IFRS1 co-cultures exposed to OHP. Zonisamide’s neuroprotection against the OHP-induced peripheral sensory neuropathy is possibly mediated by a stimulation of the MEK/ERK and PI3K/AKT signaling pathways and suppression of the p38 MAPK pathway in DRG neurons. Future studies will allow us to solidify zonisamide as a promising remedy against the neurotoxic adverse effects of OHP.
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Affiliation(s)
- Shizuka Takaku
- Correspondence: ; Tel.: +81-3-6834-2359; Fax: +81-5316-3150
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Tatsumi Y, Kato A, Niimi N, Yako H, Himeno T, Kondo M, Tsunekawa S, Kato Y, Kamiya H, Nakamura J, Higai K, Sango K, Kato K. Docosahexaenoic Acid Suppresses Oxidative Stress-Induced Autophagy and Cell Death via the AMPK-Dependent Signaling Pathway in Immortalized Fischer Rat Schwann Cells 1. Int J Mol Sci 2022; 23:ijms23084405. [PMID: 35457223 PMCID: PMC9027959 DOI: 10.3390/ijms23084405] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 04/05/2022] [Accepted: 04/14/2022] [Indexed: 01/27/2023] Open
Abstract
Autophagy is the process by which intracellular components are degraded by lysosomes. It is also activated by oxidative stress; hence, autophagy is thought to be closely related to oxidative stress, one of the major causes of diabetic neuropathy. We previously reported that docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) induced antioxidant enzymes and protected Schwann cells from oxidative stress. However, the relationship between autophagy and oxidative stress-induced cell death in diabetic neuropathy has not been elucidated. Treatment with tert-butyl hydroperoxide (tBHP) decreased the cell survival rate, as measured by an MTT assay in immortalized Fischer rat Schwann cells 1 (IFRS1). A DHA pretreatment significantly prevented tBHP-induced cytotoxicity. tBHP increased autophagy, which was revealed by the ratio of the initiation markers, AMP-activated protein kinase, and UNC51-like kinase phosphorylation. Conversely, the DHA pretreatment suppressed excessive tBHP-induced autophagy signaling. Autophagosomes induced by tBHP in IFRS1 cells were decreased to control levels by the DHA pretreatment whereas autolysosomes were only partially decreased. These results suggest that DHA attenuated excessive autophagy induced by oxidative stress in Schwann cells and may be useful to prevent or reduce cell death in vitro. However, its potentiality to treat diabetic neuropathy must be validated in in vivo studies.
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Affiliation(s)
- Yasuaki Tatsumi
- Laboratory of Medicine, Aichi Gakuin University School of Pharmacy, 1-100 Kusumoto-cho, Chikusa-ku, Nagoya 464-8650, Japan; (Y.T.); (A.K.)
- Department of Medical Biochemistry, Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi 274-8510, Japan;
| | - Ayako Kato
- Laboratory of Medicine, Aichi Gakuin University School of Pharmacy, 1-100 Kusumoto-cho, Chikusa-ku, Nagoya 464-8650, Japan; (Y.T.); (A.K.)
| | - Naoko Niimi
- Diabetic Neuropathy Project, Department of Diseases and Infection, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya, Tokyo 156-8506, Japan; (N.N.); (H.Y.); (K.S.)
| | - Hideji Yako
- Diabetic Neuropathy Project, Department of Diseases and Infection, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya, Tokyo 156-8506, Japan; (N.N.); (H.Y.); (K.S.)
| | - Tatsuhito Himeno
- Division of Diabetes, Department of Internal Medicine, Aichi Medical University School of Medicine, 1-1 Yazakokarimate, Nagakute 480-1195, Japan; (T.H.); (M.K.); (S.T.); (Y.K.); (H.K.); (J.N.)
| | - Masaki Kondo
- Division of Diabetes, Department of Internal Medicine, Aichi Medical University School of Medicine, 1-1 Yazakokarimate, Nagakute 480-1195, Japan; (T.H.); (M.K.); (S.T.); (Y.K.); (H.K.); (J.N.)
| | - Shin Tsunekawa
- Division of Diabetes, Department of Internal Medicine, Aichi Medical University School of Medicine, 1-1 Yazakokarimate, Nagakute 480-1195, Japan; (T.H.); (M.K.); (S.T.); (Y.K.); (H.K.); (J.N.)
| | - Yoshiro Kato
- Division of Diabetes, Department of Internal Medicine, Aichi Medical University School of Medicine, 1-1 Yazakokarimate, Nagakute 480-1195, Japan; (T.H.); (M.K.); (S.T.); (Y.K.); (H.K.); (J.N.)
| | - Hideki Kamiya
- Division of Diabetes, Department of Internal Medicine, Aichi Medical University School of Medicine, 1-1 Yazakokarimate, Nagakute 480-1195, Japan; (T.H.); (M.K.); (S.T.); (Y.K.); (H.K.); (J.N.)
| | - Jiro Nakamura
- Division of Diabetes, Department of Internal Medicine, Aichi Medical University School of Medicine, 1-1 Yazakokarimate, Nagakute 480-1195, Japan; (T.H.); (M.K.); (S.T.); (Y.K.); (H.K.); (J.N.)
| | - Koji Higai
- Department of Medical Biochemistry, Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi 274-8510, Japan;
| | - Kazunori Sango
- Diabetic Neuropathy Project, Department of Diseases and Infection, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya, Tokyo 156-8506, Japan; (N.N.); (H.Y.); (K.S.)
| | - Koichi Kato
- Laboratory of Medicine, Aichi Gakuin University School of Pharmacy, 1-100 Kusumoto-cho, Chikusa-ku, Nagoya 464-8650, Japan; (Y.T.); (A.K.)
- Correspondence: ; Tel.: +81-52-757-6778
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Yako H, Niimi N, Kato A, Takaku S, Tatsumi Y, Nishito Y, Kato K, Sango K. Role of pyruvate in maintaining cell viability and energy production under high-glucose conditions. Sci Rep 2021; 11:18910. [PMID: 34556698 PMCID: PMC8460646 DOI: 10.1038/s41598-021-98082-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 09/03/2021] [Indexed: 11/25/2022] Open
Abstract
Pyruvate functions as a key molecule in energy production and as an antioxidant. The efficacy of pyruvate supplementation in diabetic retinopathy and nephropathy has been shown in animal models; however, its significance in the functional maintenance of neurons and Schwann cells under diabetic conditions remains unknown. We observed rapid and extensive cell death under high-glucose (> 10 mM) and pyruvate-starved conditions. Exposure of Schwann cells to these conditions led to a significant decrease in glycolytic flux, mitochondrial respiration and ATP production, accompanied by enhanced collateral glycolysis pathways (e.g., polyol pathway). Cell death could be prevented by supplementation with 2-oxoglutarate (a TCA cycle intermediate), benfotiamine (the vitamin B1 derivative that suppresses the collateral pathways), or the poly (ADP-ribose) polymerase (PARP) inhibitor, rucaparib. Our findings suggest that exogenous pyruvate plays a pivotal role in maintaining glycolysis–TCA cycle flux and ATP production under high-glucose conditions by suppressing PARP activity.
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Affiliation(s)
- Hideji Yako
- Diabetic Neuropathy Project, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan.
| | - Naoko Niimi
- Diabetic Neuropathy Project, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan
| | - Ayako Kato
- Laboratory of Medicine, Aichi Gakuin University, School of Pharmacy, Nagoya, Japan
| | - Shizuka Takaku
- Diabetic Neuropathy Project, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan
| | - Yasuaki Tatsumi
- Laboratory of Medicine, Aichi Gakuin University, School of Pharmacy, Nagoya, Japan
| | - Yasumasa Nishito
- Basic Technology Research Center, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Koichi Kato
- Laboratory of Medicine, Aichi Gakuin University, School of Pharmacy, Nagoya, Japan
| | - Kazunori Sango
- Diabetic Neuropathy Project, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan.
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10
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Jones MR, Urits I, Wolf J, Corrigan D, Colburn L, Peterson E, Williamson A, Viswanath O. Drug-Induced Peripheral Neuropathy: A Narrative Review. ACTA ACUST UNITED AC 2021; 15:38-48. [PMID: 30666914 PMCID: PMC7365998 DOI: 10.2174/1574884714666190121154813] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 12/03/2018] [Accepted: 01/11/2019] [Indexed: 11/22/2022]
Abstract
Background Peripheral neuropathy is a painful condition deriving from many and varied etiologies. Certain medications have been implicated in the iatrogenic development of Drug Induced Peripheral Neuropathy (DIPN) and include chemotherapeutic agents, antimicrobials, cardiovascular drugs, psychotropic, anticonvulsants, among others. This review synthesizes current clinical concepts regarding the mechanism, common inciting medications, and treatment options for drug-induced peripheral neuropathy. Methods The authors undertook a structured search of bibliographic databases for peer-reviewed research literature using a focused review question and inclusion/exclusion criteria. The most relevant and up to date research was included. Results Drug-induced peripheral neuropathy is a common and painful condition caused by many different and frequently prescribed medications. Most often, DIPN is seen in chemotherapeutic agents, antimicrobials, cardiovascular drugs, psychotropic, and anticonvulsant drugs. Certain drugs exhibit more consistent neuropathic side effects, such as the chemotherapeutic compounds, but others are more commonly prescribed by a larger proportion of providers, such as the statins. DIPN is more likely to occur in patients with concomitant risk factors such as preexisting neuropathy, diabetes, and associated genetically predisposing diseases. DIPN is often difficult to treat, however medications including duloxetine, and gabapentin are shown to reduce neuropathic pain. Advanced techniques of neuromodulation offer promise though further randomized and controlled studies are needed to confirm efficacy. Conclusion Awareness of the drugs covered in this review and their potential for adverse neuropathic effect is important for providers caring for patients who report new onset symptoms of pain, paresthesia, or weakness. Prevention of DIPN is especially important because treatment often proves challenging. While many pharmacologic therapies have demonstrated analgesic potential in the pain caused by DIPN, many patients remain refractive to treatment. More studies are needed to elucidate the effectiveness of interventional, neuromodulating therapies.
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Affiliation(s)
- Mark R Jones
- Harvard Medical School, Beth Israel Deaconess Medical Center, Department of Anesthesia, Critical Care, and Pain Medicine, Boston, MA, 02118, United States
| | - Ivan Urits
- Harvard Medical School, Beth Israel Deaconess Medical Center, Department of Anesthesia, Critical Care, and Pain Medicine, Boston, MA, 02118, United States
| | - John Wolf
- Creighton University School of Medicine-Phoenix Regional Campus, St. Joseph's Hospital and Medical Center, Phoenix, AZ 85013, United States
| | - Devin Corrigan
- Creighton University School of Medicine-Phoenix Regional Campus, St. Joseph's Hospital and Medical Center, Phoenix, AZ 85013, United States
| | - Luc Colburn
- Creighton University School of Medicine-Phoenix Regional Campus, St. Joseph's Hospital and Medical Center, Phoenix, AZ 85013, United States
| | - Emily Peterson
- Creighton University School of Medicine-Phoenix Regional Campus, St. Joseph's Hospital and Medical Center, Phoenix, AZ 85013, United States
| | - Amber Williamson
- Creighton University School of Medicine-Phoenix Regional Campus, St. Joseph's Hospital and Medical Center, Phoenix, AZ 85013, United States
| | - Omar Viswanath
- Valley Anesthesiology and Pain Consultants, Phoenix, AZ, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, Creighton University School of Medicine, Omaha, NE, United States
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11
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Exendin-4 Promotes Schwann Cell Survival/Migration and Myelination In Vitro. Int J Mol Sci 2021; 22:ijms22062971. [PMID: 33804063 PMCID: PMC7999558 DOI: 10.3390/ijms22062971] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 02/22/2021] [Accepted: 03/12/2021] [Indexed: 02/06/2023] Open
Abstract
Besides its insulinotropic actions on pancreatic β cells, neuroprotective activities of glucagon-like peptide-1 (GLP-1) have attracted attention. The efficacy of a GLP-1 receptor (GLP-1R) agonist exendin-4 (Ex-4) for functional repair after sciatic nerve injury and amelioration of diabetic peripheral neuropathy (DPN) has been reported; however, the underlying mechanisms remain unclear. In this study, the bioactivities of Ex-4 on immortalized adult rat Schwann cells IFRS1 and adult rat dorsal root ganglion (DRG) neuron–IFRS1 co-culture system were investigated. Localization of GLP-1R in both DRG neurons and IFRS1 cells were confirmed using knockout-validated monoclonal Mab7F38 antibody. Treatment with 100 nM Ex-4 significantly enhanced survival/proliferation and migration of IFRS1 cells, as well as stimulated the movement of IFRS1 cells toward neurites emerging from DRG neuron cell bodies in the co-culture with the upregulation of myelin protein 22 and myelin protein zero. Because Ex-4 induced phosphorylation of serine/threonine-specific protein kinase AKT in these cells and its effects on DRG neurons and IFRS1 cells were attenuated by phosphatidyl inositol-3′-phosphate-kinase (PI3K) inhibitor LY294002, Ex-4 might act on both cells to activate PI3K/AKT signaling pathway, thereby promoting myelination in the co-culture. These findings imply the potential efficacy of Ex-4 toward DPN and other peripheral nerve lesions.
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12
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Genova E, Cavion F, Lucafò M, Leo LD, Pelin M, Stocco G, Decorti G. Induced pluripotent stem cells for therapy personalization in pediatric patients: Focus on drug-induced adverse events. World J Stem Cells 2019; 11:1020-1044. [PMID: 31875867 PMCID: PMC6904863 DOI: 10.4252/wjsc.v11.i12.1020] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Revised: 09/05/2019] [Accepted: 10/14/2019] [Indexed: 02/06/2023] Open
Abstract
Adverse drug reactions (ADRs) are major clinical problems, particularly in special populations such as pediatric patients. Indeed, ADRs may be caused by a plethora of different drugs leading, in some cases, to hospitalization, disability or even death. In addition, pediatric patients may respond differently to drugs with respect to adults and may be prone to developing different kinds of ADRs, leading, in some cases, to more severe consequences. To improve the comprehension, and thus the prevention, of ADRs, the set-up of sensitive and personalized assays is urgently needed. Important progress is represented by the possibility of setting up groundbreaking patient-specific assays. This goal has been powerfully achieved using induced pluripotent stem cells (iPSCs). Due to their genetic and physiological species-specific differences and their ability to be differentiated ideally into all tissues of the human body, this model may be accurate in predicting drug toxicity, especially when this toxicity is related to individual genetic differences. This review is an up-to-date summary of the employment of iPSCs as a model to study ADRs, with particular attention to drugs used in the pediatric field. We especially focused on the intestinal, hepatic, pancreatic, renal, cardiac, and neuronal levels, also discussing progress in organoids creation. The latter are three-dimensional in vitro culture systems derived from pluripotent or adult stem cells simulating the architecture and functionality of native organs such as the intestine, liver, pancreas, kidney, heart, and brain. Based on the existing knowledge, these models are powerful and promising tools in multiple clinical applications including toxicity screening, disease modeling, personalized and regenerative medicine.
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Affiliation(s)
- Elena Genova
- PhD School in Reproduction and Development Sciences, University of Trieste, Trieste 34127, Italy
| | - Federica Cavion
- Department of Life Sciences, University of Trieste, Trieste 34127, Italy
| | - Marianna Lucafò
- Institute for Maternal and Child Health, IRCCS Burlo Garofolo, Trieste 34137, Italy
| | - Luigina De Leo
- Institute for Maternal and Child Health, IRCCS Burlo Garofolo, Trieste 34137, Italy
| | - Marco Pelin
- Department of Life Sciences, University of Trieste, Trieste 34127, Italy
| | - Gabriele Stocco
- Department of Life Sciences, University of Trieste, Trieste 34127, Italy.
| | - Giuliana Decorti
- Institute for Maternal and Child Health, IRCCS Burlo Garofolo, Trieste 34137, Italy
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13
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Xu S, Li J, Zhai M, Yao X, Liu H, Deng T, Cai H, Zhang W, Zhang W, Lou J, Peng L. 1,25-(OH) 2D 3 protects Schwann cells against advanced glycation end products-induced apoptosis through PKA-NF-κB pathway. Life Sci 2019; 225:107-116. [PMID: 30928409 DOI: 10.1016/j.lfs.2019.03.068] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 03/21/2019] [Accepted: 03/27/2019] [Indexed: 11/28/2022]
Abstract
AIMS To explore the effect and mechanism of 1, 25-(OH)2D3 on Schwann cell apoptosis induced by advanced glycation end products. MAIN METHODS Schwann cells, isolated from rodent sciatic nerve were incubated with AGE-modified bovine serum albumin(AGE) to mimic diabetic conditions and 1,25-(OH)2D3 was used as protector. Cell apoptosis was detected by PI/Annexin-V staining, caspase 3 activity assay and western blotting for caspase 3 and PARP. The activation of protein kinase A (PKA) and nuclear factor kappa-B (NF-κB) was evaluated by western blot. Immunofluorescent staining was used for intercellular location of NF-κB. Cytokine secretion was evaluated by enzyme-linked immunosorbent assay. KEY FINDINGS Schwann cell apoptosis accelerated after incubating with AGE. However, if combining 1,25-(OH)2D3 with AGE, apoptosis decreased significantly. 1,25-(OH)2D3 enhanced PKA activity, but inhibited AGE-induced nuclear translocation of NF-κB. Furthermore, PKA activator (8-bromoadenoside cyclic adenoside monophosphate, 8-Br-cAMP) or NF-κB inhibitor (caffeic acid phenethyl ester, CAPE) could reduce the apoptosis, decreased cleaved caspase 3 and cleaved PARP, suggesting the involvement of PKA and NF-κB pathways in the protection of 1,25-(OH)2D3 on Schwann cells. Moreover, 8-Br-cAMP and CAPE could inhibit AGE-induced secretion of interleukin(IL)-1β, prostaglandin E2(PEG2) and cyclooxygenase 2(COX2). Interestingly, 8-Br-cAMP decreased phospho-NF-κB and inhibited nucleus translocation of NF-κB. It hinted at the regulation of PKA to NF-κB. Finally, a pre-treatment of H-89 (an inhibitor of PKA) could block the protection of 1,25-(OH)2D3 on cell apoptosis. In conclusion, 1,25-(OH)2D3 could protect Schwann cell against AGE-induced apoptosis through PKA/NF-κB pathway. SIGNIFICANCE These findings provide experimental rationales for using vitamin D for diabetic neuropathy.
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Affiliation(s)
- Shiqing Xu
- Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing 100029, China
| | - Jing Li
- Department of Stomatology, China-Japan Friendship Hospital, Beijing 100029, China
| | - Min Zhai
- Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing 100029, China
| | - Xiaoqi Yao
- Department of Ultrasonic Diagnosis, China-Japan Friendship Hospital, Beijing 100029, China
| | - Honglin Liu
- Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing 100029, China
| | - Tingting Deng
- Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing 100029, China
| | - Hanqing Cai
- Department of Endocrinology, The Second Hospital of Jilin University, Changchun 130041, China
| | - Wan Zhang
- Department of Clinical Laboratory, China-Japan Friendship Hospital, Beijing 100029, China
| | - Wenjian Zhang
- Suzhou Rely Bio-Tech Co., Ltd., Suzhou 215103, China
| | - Jinning Lou
- Suzhou Rely Bio-Tech Co., Ltd., Suzhou 215103, China
| | - Liang Peng
- Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing 100029, China.
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14
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Drug-Induced Demyelinating Neuropathies. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1190:357-369. [DOI: 10.1007/978-981-32-9636-7_23] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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15
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Takaku S, Yako H, Niimi N, Akamine T, Kawanami D, Utsunomiya K, Sango K. Establishment of a myelinating co-culture system with a motor neuron-like cell line NSC-34 and an adult rat Schwann cell line IFRS1. Histochem Cell Biol 2018; 149:537-543. [PMID: 29435762 DOI: 10.1007/s00418-018-1649-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/06/2018] [Indexed: 01/01/2023]
Abstract
Co-culture models of neurons and Schwann cells have been utilized for the study of myelination and demyelination in the peripheral nervous system; in most of the previous studies, however, these cells were obtained by primary culture with embryonic or neonatal animals. A spontaneously immortalized Schwann cell line IFRS1 from long-term cultures of adult Fischer rat peripheral nerves has been shown to retain fundamental ability to myelinate neurites in co-cultures with adult rat dorsal root ganglion neurons and nerve growth factor-primed PC12 cells. Our current investigation focuses on the establishment of stable co-culture system with IFRS1 cells and NSC-34 motor neuron-like cells. NSC-34 cells were seeded at a low density (2 × 103/cm2) and maintained for 5-7 days in serum-containing medium supplemented with non-essential amino acids and brain-derived neurotrophic factor (BDNF; 10 ng/mL). Upon observation of neurite outgrowth under a phase-contrast microscope, the NSC-34 cells were exposed to an anti-mitotic agent mitomycin C (1 µg/mL) for 12-16 h, then co-cultured with IFRS1 cells (2 × 104/cm2), and maintained in serum-containing medium supplemented with ascorbic acid (50 µg/mL), BDNF (10 ng/mL), and ciliary neurotrophic factor (10 ng/mL). Double immunofluorescence staining carried out at day 28 of the co-culture showed myelin protein (P0 or PMP22)-immunoreactive IFRS1 cells surrounding the βIII tubulin-immunoreactive neurites. This co-culture system can be a beneficial tool to study the pathogenesis of motor neuron diseases (e.g., amyotrophic lateral sclerosis, Charcot-Marie-Tooth diseases, and immune-mediated demyelinating neuropathies) and novel therapeutic approaches against them.
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Affiliation(s)
- Shizuka Takaku
- Diabetic Neuropathy Project, Department of Sensory and Motor Systems, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan
| | - Hideji Yako
- Diabetic Neuropathy Project, Department of Sensory and Motor Systems, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan
| | - Naoko Niimi
- Diabetic Neuropathy Project, Department of Sensory and Motor Systems, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan
| | - Tomoyo Akamine
- Diabetic Neuropathy Project, Department of Sensory and Motor Systems, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan.,Division of Diabetes, Metabolism and Endocrinology, Department of Internal Medicine, Jikei University School of Medicine, Minato-ku, Tokyo, 105-8461, Japan
| | - Daiji Kawanami
- Division of Diabetes, Metabolism and Endocrinology, Department of Internal Medicine, Jikei University School of Medicine, Minato-ku, Tokyo, 105-8461, Japan
| | - Kazunori Utsunomiya
- Division of Diabetes, Metabolism and Endocrinology, Department of Internal Medicine, Jikei University School of Medicine, Minato-ku, Tokyo, 105-8461, Japan
| | - Kazunori Sango
- Diabetic Neuropathy Project, Department of Sensory and Motor Systems, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan.
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16
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Liao R, Yan F, Zeng Z, Wang H, Qiu K, Xu J, Zheng W. Insulin-like growth factor-1 activates PI3K/Akt signalling to protect human retinal pigment epithelial cells from amiodarone-induced oxidative injury. Br J Pharmacol 2017; 175:125-139. [PMID: 29057462 DOI: 10.1111/bph.14078] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Revised: 10/11/2017] [Accepted: 10/13/2017] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND AND PURPOSE Amiodarone is one of the most effective anti-arrhythmic drugs available, but its clinical applications are limited by toxic side effects including optic toxicity. The purpose of this study was to investigate the toxic effect of amiodarone on D407 cells (a human retinal pigmented epithelial (RPE) cell line) and the mechanisms of the protective effect of insulin-like growth factor-1 (IGF-1). EXPERIMENTAL APPROACH The involvement of the kinases, Akt and ERK, was analysed by Western blot. Intracellular accumulation of ROS was measured using fluorophotometric quantification. A pharmacological approach with inhibitors was used to investigate the pathways involved in the protective action of IGF-1. KEY RESULTS Amiodarone concentration-dependently augmented the production of ROS, lipid peroxidation and apoptosis in D407 cells. IGF-1 time- and concentration-dependently reversed these effects of amiodarone and protected D407 cells from amiodarone-mediated toxicity. Amiodarone inhibited the pAkt but not pErk, and IGF-1 reversed this inhibitory effect of amiodarone. However, IGF-1 failed to suppress amiodarone-induced cytotoxicity in the presence of PI3K/Akt inhibitor LY294002 suggesting the direct involvement of the PI3K/Akt pathway. Furthermore, in vivo rat flash electroretinogram (FERG) recordings showed that IGF-1 reverses the amiodarone-induced decrease in a- and b-waves. The immunocytochemistry findings confirmed that vitreous IGF-1 injections promote the survival of RPE cells in rat retina treated with amiodarone. CONCLUSION AND IMPLICATIONS IGF-1 can protect RPE cells from amiodarone-mediated injury via the PI3K/Akt pathway in vivo and in vitro. IGF-1 has potential as a protective drug for the prevention and treatment of amiodarone-induced optic toxicity.
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Affiliation(s)
- Rifang Liao
- Faculty of Health Sciences, University of Macau, Taipa, Macau, and UM Zhuhai Research Institute, Zhuhai, China.,Department of Pharmacy, Sun Yat-Sen Memorial Hospital and the School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
| | - Fengxia Yan
- Faculty of Health Sciences, University of Macau, Taipa, Macau, and UM Zhuhai Research Institute, Zhuhai, China.,Department of Pharmacy, Sun Yat-Sen Memorial Hospital and the School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
| | - Zhuanping Zeng
- School of Public Health, Guangdong Pharmaceutical University, Guangzhou, China
| | - Haitao Wang
- Faculty of Health Sciences, University of Macau, Taipa, Macau, and UM Zhuhai Research Institute, Zhuhai, China.,School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, China
| | - Kaifeng Qiu
- Department of Pharmacy, Sun Yat-Sen Memorial Hospital and the School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
| | - Jinying Xu
- Faculty of Health Sciences, University of Macau, Taipa, Macau, and UM Zhuhai Research Institute, Zhuhai, China
| | - Wenhua Zheng
- Faculty of Health Sciences, University of Macau, Taipa, Macau, and UM Zhuhai Research Institute, Zhuhai, China.,Department of Pharmacy, Sun Yat-Sen Memorial Hospital and the School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
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17
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Ohara R, Imamura K, Morii F, Egawa N, Tsukita K, Enami T, Shibukawa R, Mizuno T, Nakagawa M, Inoue H. Modeling Drug-Induced Neuropathy Using Human iPSCs for Predictive Toxicology. Clin Pharmacol Ther 2017; 101:754-762. [PMID: 27859025 DOI: 10.1002/cpt.562] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Revised: 10/11/2016] [Accepted: 11/06/2016] [Indexed: 12/14/2022]
Abstract
Drugs under development can cause unpredicted toxicity in humans due to differential drug responsiveness between humans and other disease models, resulting in clinical trial failures. Human induced pluripotent stem cells (iPSCs) are expected to represent a useful tool for toxicity testing. However, among many assays, appropriate cellular assays for predicting neurotoxicity in an iPSC-based model are still uncertain. Here we generated neurons from iPSCs of Charcot-Marie-Tooth disease (CMT) patients. Some CMT patients are sensitive to anticancer drugs and present with an adverse reaction of neuropathy. We analyzed cellular phenotypes and found that mitochondria in neurites of CMT neurons were morphologically shorter and showed slower mobility compared to control. A neurosphere assay showed that treatment with drugs known to cause neuropathy caused mitochondrial aggregations in neurites with adenosine triphosphate shortage in both CMT and control neurons, although more severely in CMT. These findings suggest that the genetically susceptible model could provide a useful tool to predict drug-induced neurotoxicity.
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Affiliation(s)
- R Ohara
- Center for iPS Cells for Research and Application (CiRA), Kyoto University, Kyoto, Japan.,Department of Neurology, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - K Imamura
- Center for iPS Cells for Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - F Morii
- Center for iPS Cells for Research and Application (CiRA), Kyoto University, Kyoto, Japan.,Department of Neurology, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - N Egawa
- Center for iPS Cells for Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - K Tsukita
- Center for iPS Cells for Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - T Enami
- Center for iPS Cells for Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - R Shibukawa
- Center for iPS Cells for Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - T Mizuno
- Department of Neurology, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - M Nakagawa
- Department of Neurology, Kyoto Prefectural University of Medicine, Kyoto, Japan.,North Medical Center, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - H Inoue
- Center for iPS Cells for Research and Application (CiRA), Kyoto University, Kyoto, Japan
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