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Zhou ZY, Wang JY, Li ZX, Zheng HL, Zhou YN, Huang LN, Wang LJ, Ding XW, Sun X, Cai K, Zhao R, Shi Y, Chen AF, Pan ZQ, Cao J, Lin FQ, Zhao JY. Branched-Chain Amino Acids Deficiency Promotes Diabetic Neuropathic Pain Through Upregulating LAT1 and Inhibiting Kv1.2 Channel. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2402086. [PMID: 38946582 DOI: 10.1002/advs.202402086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 06/18/2024] [Indexed: 07/02/2024]
Abstract
Diabetic neuropathic pain (DNP), one of the most common complications of diabetes, is characterized by bilateral symmetrical distal limb pain and substantial morbidity. To compare the differences is aimed at serum metabolite levels between 81 DNP and 73 T2DM patients without neuropathy and found that the levels of branched-chain amino acids (BCAA) are significantly lower in DNP patients than in T2DM patients. In high-fat diet/low-dose streptozotocin (HFD/STZ)-induced T2DM and leptin receptor-deficient diabetic (db/db) mouse models, it is verified that BCAA deficiency aggravated, whereas BCAA supplementation alleviated DNP symptoms. Mechanistically, using a combination of RNA sequencing of mouse dorsal root ganglion (DRG) tissues and label-free quantitative proteomic analysis of cultured cells, it is found that BCAA deficiency activated the expression of L-type amino acid transporter 1 (LAT1) through ATF4, which is reversed by BCAA supplementation. Abnormally upregulated LAT1 reduced Kv1.2 localization to the cell membrane, and inhibited Kv1.2 channels, thereby increasing neuronal excitability and causing neuropathy. Furthermore, intraperitoneal injection of the LAT1 inhibitor, BCH, alleviated DNP symptoms in mice, confirming that BCAA-deficiency-induced LAT1 activation contributes to the onset of DNP. These findings provide fresh insights into the metabolic differences between DNP and T2DM, and the development of approaches for the management of DNP.
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Affiliation(s)
- Ze-Yu Zhou
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, 200438, China
- Institute for Developmental and Regenerative Cardiovascular Medicine, MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Ji-Ying Wang
- Department of Pain Medicine, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Zhi-Xiao Li
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, China
| | - Hong-Li Zheng
- Department of Pain Medicine, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Ya-Nan Zhou
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, China
| | - Li-Na Huang
- Department of Anesthesiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 20080, China
| | - Li-Juan Wang
- Department of Anesthesiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 20080, China
| | - Xiao-Wei Ding
- Institute for Developmental and Regenerative Cardiovascular Medicine, MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Xin Sun
- Institute for Developmental and Regenerative Cardiovascular Medicine, MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Ke Cai
- Institute for Developmental and Regenerative Cardiovascular Medicine, MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Rui Zhao
- Institute for Developmental and Regenerative Cardiovascular Medicine, MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Yan Shi
- Institute for Developmental and Regenerative Cardiovascular Medicine, MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Alex F Chen
- Institute for Developmental and Regenerative Cardiovascular Medicine, MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Zhi-Qiang Pan
- Jiangsu Province Key Laboratory of Anesthesiology, Jiangsu Province Key Laboratory of Anesthesia and Analgesia Application Technology, NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, Xuzhou Medical University, Xuzhou, 221004, China
| | - Jing Cao
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, China
| | - Fu-Qing Lin
- Department of Pain Medicine, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Jian-Yuan Zhao
- Institute for Developmental and Regenerative Cardiovascular Medicine, MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
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Zurek NA, Ehsanian R, Goins AE, Adams IM, Petersen T, Goyal S, Shilling M, Westlund KN, Alles SRA. Electrophysiological Analyses of Human Dorsal Root Ganglia and Human Induced Pluripotent Stem Cell-derived Sensory Neurons From Male and Female Donors. THE JOURNAL OF PAIN 2024; 25:104451. [PMID: 38154622 PMCID: PMC11128351 DOI: 10.1016/j.jpain.2023.12.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/15/2023] [Accepted: 12/16/2023] [Indexed: 12/30/2023]
Abstract
Human induced pluripotent stem cell-derived sensory neurons (hiPSC-SNs) and human dorsal root ganglia neurons (hDRG-N) are popular tools in the field of pain research; however, few groups make use of both approaches. For screening and analgesic validation purposes, important characterizations can be determined of the similarities and differences between hDRG-N and hiPSC-SNs. This study focuses specifically on the electrophysiology properties of hDRG-N in comparison to hiPSC-SNs. We also compared hDRG-N and hiPSC-SNs from both male and female donors to evaluate potential sex differences. We recorded neuronal size, rheobase, resting membrane potential, input resistance, and action potential waveform properties from 83 hiPSCs-SNs (2 donors) and 108 hDRG-N neurons (8 donors). We observed several statistically significant electrophysiological differences between hDRG-N and hiPSC-SNs, such as size, rheobase, input resistance, and several action potential waveform properties. Correlation analysis also revealed many properties that were positively or negatively correlated, some of which were differentially correlated between hDRG-N and hiPSC-SNs. This study shows several differences between hDRG-N and hiPSC-SNs and allows a better understanding of the advantages and disadvantages of both for use in pain research. We hope this study will be a valuable resource for pain researchers considering the use of these human in vitro systems for mechanistic studies and/or drug development projects. PERSPECTIVE: hiPSC-SNs and hDRG-N are popular tools in the field of pain research. This study allows for a better functional understanding of the pros and cons of both tools.
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Affiliation(s)
- Nesia A Zurek
- Department of Anesthesiology and Critical Care Medicine, University of New Mexico Health Sciences Center, Albuquerque, New Mexico
| | - Reza Ehsanian
- Department of Anesthesiology and Critical Care Medicine, University of New Mexico Health Sciences Center, Albuquerque, New Mexico
| | - Aleyah E Goins
- Department of Anesthesiology and Critical Care Medicine, University of New Mexico Health Sciences Center, Albuquerque, New Mexico
| | - Ian M Adams
- Department of Anesthesiology and Critical Care Medicine, University of New Mexico Health Sciences Center, Albuquerque, New Mexico
| | - Timothy Petersen
- Department of Anesthesiology and Critical Care Medicine, University of New Mexico Health Sciences Center, Albuquerque, New Mexico
| | - Sachin Goyal
- Department of Anesthesiology and Critical Care Medicine, University of New Mexico Health Sciences Center, Albuquerque, New Mexico
| | - Mark Shilling
- Department of Anesthesiology and Critical Care Medicine, University of New Mexico Health Sciences Center, Albuquerque, New Mexico
| | - Karin N Westlund
- Department of Anesthesiology and Critical Care Medicine, University of New Mexico Health Sciences Center, Albuquerque, New Mexico
| | - Sascha R A Alles
- Department of Anesthesiology and Critical Care Medicine, University of New Mexico Health Sciences Center, Albuquerque, New Mexico.
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Zurek NA, Ehsanian R, Goins AE, Adams IM, Petersen T, Goyal S, Shilling M, Westlund KN, Alles SRA. Electrophysiological analyses of human dorsal root ganglia and human induced pluripotent stem cell-derived sensory neurons from male and female donors. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.03.565343. [PMID: 37961669 PMCID: PMC10635102 DOI: 10.1101/2023.11.03.565343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Human induced pluripotent stem cell-derived sensory neurons (hiPSC-SNs) and human dorsal root ganglia (hDRG) neurons are popular tools in the field of pain research; however, few groups make use of both approaches. For screening and analgesic validation purposes, important characterizations can be determined of the similarities and differences between hDRG and hiPSC-SNs. This study focuses specifically on electrophysiology properties of hDRG in comparison to hiPSC-SNs. We also compared hDRG and hiPSC-SNs from both male and female donors to evaluate potential sex differences. We recorded neuronal size, rheobase, resting membrane potential, input resistance, and action potential waveform properties from 83 hiPSCs-SNs (2 donors) and 108 hDRG neurons (9 donors). We observed several statistically significant electrophysiological differences between hDRG and hiPSC-SNs, such as size, rheobase, input resistance, and several actional potential (AP) waveform properties. Correlation analysis also revealed many properties that were positively or negatively correlated, some of which were differentially correlated between hDRG and hiPSC-SNs. This study shows several differences between hDRG and hiPSC-SNs and allows better understanding of the advantages and disadvantages of both for use in pain research. We hope this study will be a valuable resource for pain researchers considering the use of these human in vitro systems for mechanistic studies and/or drug development projects.
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Zhang BW, Dong H, Wu Z, Jiang X, Zou W. An Overview of the Mechanisms Involved in Neuralgia. J Inflamm Res 2023; 16:4087-4101. [PMID: 37745793 PMCID: PMC10516189 DOI: 10.2147/jir.s425966] [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: 06/14/2023] [Accepted: 08/26/2023] [Indexed: 09/26/2023] Open
Abstract
Neuralgia is a frequently occurring condition that causes chronic pain and burdens both patients and their families. Earlier research indicated that anti-inflammatory treatment, which was primarily utilized to address conditions like neuralgia, resulted in positive outcomes. However, recent years have witnessed the emergence of various novel mechanisms associated with pain-related disorders. This review provides a concise overview of the inflammatory mechanisms involved in neuralgia. It also examines recent advancements in research, exploring the influence of ion channels and synaptic proteins on neuralgia and its complications. Additionally, the interactions between these mechanisms are discussed with the aim of suggesting innovative therapeutic approaches and research directions for the management of neuralgia.
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Affiliation(s)
- Bai-Wen Zhang
- Heilongjiang University of Chinese Medicine, Harbin, 150040, People’s Republic of China
| | - Hao Dong
- Heilongjiang University of Chinese Medicine, Harbin, 150040, People’s Republic of China
| | - Zhe Wu
- Heilongjiang University of Chinese Medicine, Harbin, 150040, People’s Republic of China
| | - Xi Jiang
- Jinzhou Medical University, Jinzhou, 121001, People’s Republic of China
| | - Wei Zou
- The Third Department of Acupuncture and Moxibustion, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin, 150040, People’s Republic of China
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Yamamura N, Mikkaichi T, Itokawa KI, Hoshi M, Damme K, Geigner S, Baumhauer C. Mirogabalin, a novel α 2δ ligand, is not a substrate of LAT1, but of PEPT1, PEPT2, OAT1, OAT3, OCT2, MATE1 and MATE2-K. Xenobiotica 2022; 52:997-1009. [PMID: 36170033 DOI: 10.1080/00498254.2022.2129517] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Mirogabalin is a α2δ ligand as well as pregabalin. The aim of this study was to clarify whether mirogabalin is a substrate of human LAT1, which involved in absorption and disposition of pregabalin, and to investigate transporters involved in renal secretion and absorption of mirogabalin using transporter-expressing cells and fresh human kidney slices.We employed uptake assay of [3H]mirogabalin by HEK293T or HEK293 cells transiently overexpress human OAT1, OAT3, OCT2, LAT1/4F2hc, LAT2/4F2hc, PEPT1, and PEPT2 proteins. Transport assay of MDCKII cells transiently overexpress OCT2/MATE1, and OCT2/MATE2-K proteins was conducted. Contribution of transporters to renal secretion was investigated by uptake assay using human kidney slices.Uptake clearances of [3H]mirogabalin by OAT1-, OAT3-, OCT2-, PEPT1-, and PEPT2-expressing cells were higher than that by vector cells, but by LAT1/4F2hc and LAT2/4F2hc-expressing cells were not. In transport assay using OCT2/MATE1 and OCT2/MATE2-K cells, [3H]mirogabalin showed directional transport from basolateral to apical side. Contribution of OAT1, OAT3, and OCT2 was observed by uptake of [3H]mirogabalin into the kidney slices.These results indicate that mirogabalin is not a substrate of LAT1, but of PEPT1 and PEPT2 involved in absorption and of OAT1, OAT3, OCT2, MATE1 and/or MATE2-K involved in its urinary secretion.
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Affiliation(s)
- Naotoshi Yamamura
- Drug Metabolism & Pharmacokinetics Research Laboratories, Daiichi Sankyo Co., Ltd., Tokyo, Japan
| | - Tsuyoshi Mikkaichi
- Drug Metabolism & Pharmacokinetics Research Laboratories, Daiichi Sankyo Co., Ltd., Tokyo, Japan
| | - Ken-Ichi Itokawa
- Drug Metabolism & Pharmacokinetics Research Laboratories, Daiichi Sankyo Co., Ltd., Tokyo, Japan
| | - Misa Hoshi
- Drug Metabolism & Pharmacokinetics Research Laboratories, Daiichi Sankyo Co., Ltd., Tokyo, Japan
| | - Katja Damme
- Tissue and Cell Research Center Munich, Daiichi Sankyo Europe GmbH, Martinsried, Germany
| | - Stefanie Geigner
- Tissue and Cell Research Center Munich, Daiichi Sankyo Europe GmbH, Martinsried, Germany
| | - Christine Baumhauer
- Tissue and Cell Research Center Munich, Daiichi Sankyo Europe GmbH, Martinsried, Germany
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Zhang M, Hu M, Alles SRA, Montera MA, Adams I, Santi MD, Inoue K, Tu NH, Westlund KN, Ye Y. Peroxisome proliferator-activated receptor gamma agonist ELB00824 suppresses oxaliplatin-induced pain, neuronal hypersensitivity, and oxidative stress. Neuropharmacology 2022; 218:109233. [PMID: 36007855 DOI: 10.1016/j.neuropharm.2022.109233] [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: 05/01/2022] [Revised: 08/12/2022] [Accepted: 08/17/2022] [Indexed: 11/29/2022]
Abstract
Chemotherapy-induced neuropathic pain (CINP) is a debilitating and difficult-to-treat side effect of chemotherapeutic drugs. CINP is marked with oxidative stress and neuronal hypersensitivities. The peroxisome proliferator-activated receptor gamma (PPARγ) is a transcription factor that regulates genes involved in oxidative stress and inflammation. We hypothesize that PPARγ agonists are protective against CIPN by reducing oxidative stress and inhibiting neuronal hypersensitivities. To test our hypothesis, acute or chronic CIPN was introduced by short or long-term treatment of oxaliplatin in BALB/c mice. CIPN mice were treated with either a novel blood-brain barrier (BBB) penetrable PPARγ agonist ELB00824, or a BBB non-penetrable PPARγ agonist pioglitazone, or vehicle. Cold allodynia, mechanical allodynia, motor coordination, sedation and addiction were measured with dry ice, von Frey filaments, beam-walking tests, and conditioned place preference, respectively. Oxidative stress was accessed by measuring byproducts of protein oxidation (carbonyl and 3-Nitrotyrosine) and lipid peroxidation [Thiobarbituric acid reactive substances (TBARS)], as wells as gene expression of Cat, Sod2, Ppargc1a. The effects of ELB00824 on nociceptor excitability were measured using whole-cell electrophysiology of isolated dorsal root ganglion neurons. Preemptive ELB00824, but not pioglitazone, reduced oxaliplatin-induced cold and mechanical allodynia and oxidative stress. ELB0824 suppressed oxaliplatin-induced firing in IB4- neurons. ELB00824 did not cause motor discoordination or sedation/addiction or reduce the antineoplastic activity of oxaliplatin (measured with an MTS-based cell proliferation assay) in a human colon cancer cell line (HCT116) and a human oral cancer cell line (HSC-3). Our results demonstrated that ELB00824 prevents oxaliplatin-induced pain, likely via inhibiting neuronal hypersensitivities and oxidative stress.
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Affiliation(s)
- Morgan Zhang
- Bluestone Center for Clinical Research, New York University College of Dentistry, 421 First Avenue, 233W, New York, NY, 10010, USA; Department of Molecular Pathobiology, New York University College of Dentistry, 345 E. 24th street, New York, NY, 10010, USA; USA Elixiria Biotech Inc, Hartsdale, NY, 10530, USA; Shanghai Elixiria Biotech Co. Ltd, 578 Yingkou Road, Yangpu District, Shanghai, 200433, China
| | - Min Hu
- Shanghai Elixiria Biotech Co. Ltd, 578 Yingkou Road, Yangpu District, Shanghai, 200433, China
| | - Sascha R A Alles
- Department of Anesthesiology & Critical Care Medicine, MSC10 6000, 2211 Lomas Blvd. NE, University of New Mexico Health Sciences Center, Albuquerque, NM, 87131, USA
| | - Marena A Montera
- Department of Anesthesiology & Critical Care Medicine, MSC10 6000, 2211 Lomas Blvd. NE, University of New Mexico Health Sciences Center, Albuquerque, NM, 87131, USA
| | - Ian Adams
- Department of Anesthesiology & Critical Care Medicine, MSC10 6000, 2211 Lomas Blvd. NE, University of New Mexico Health Sciences Center, Albuquerque, NM, 87131, USA
| | - Maria D Santi
- Bluestone Center for Clinical Research, New York University College of Dentistry, 421 First Avenue, 233W, New York, NY, 10010, USA; Department of Molecular Pathobiology, New York University College of Dentistry, 345 E. 24th street, New York, NY, 10010, USA
| | - Kenji Inoue
- Bluestone Center for Clinical Research, New York University College of Dentistry, 421 First Avenue, 233W, New York, NY, 10010, USA; Department of Molecular Pathobiology, New York University College of Dentistry, 345 E. 24th street, New York, NY, 10010, USA
| | - Nguyen Huu Tu
- Bluestone Center for Clinical Research, New York University College of Dentistry, 421 First Avenue, 233W, New York, NY, 10010, USA; Department of Molecular Pathobiology, New York University College of Dentistry, 345 E. 24th street, New York, NY, 10010, USA
| | - Karin N Westlund
- Department of Anesthesiology & Critical Care Medicine, MSC10 6000, 2211 Lomas Blvd. NE, University of New Mexico Health Sciences Center, Albuquerque, NM, 87131, USA
| | - Yi Ye
- Bluestone Center for Clinical Research, New York University College of Dentistry, 421 First Avenue, 233W, New York, NY, 10010, USA; Department of Molecular Pathobiology, New York University College of Dentistry, 345 E. 24th street, New York, NY, 10010, USA.
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Electrophysiology of nociception: understanding of signaling pathways forms a basis for potential treatment. Pflugers Arch 2022; 474:365-366. [PMID: 35229193 DOI: 10.1007/s00424-022-02679-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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