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Cristiano N, Cabayé A, Brabet I, Glatthar R, Tora A, Goudet C, Bertrand HO, Goupil-Lamy A, Flor PJ, Pin JP, McCort-Tranchepain I, Acher FC. Novel Inhibitory Site Revealed by XAP044 Mode of Action on the Metabotropic Glutamate 7 Receptor Venus Flytrap Domain. J Med Chem 2024. [PMID: 38691510 DOI: 10.1021/acs.jmedchem.3c01924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2024]
Abstract
Metabotropic glutamate (mGlu) receptors play a key role in modulating most synapses in the brain. The mGlu7 receptors inhibit presynaptic neurotransmitter release and offer therapeutic possibilities for post-traumatic stress disorders or epilepsy. Screening campaigns provided mGlu7-specific allosteric modulators as the inhibitor XAP044 (Gee et al. J. Biol. Chem. 2014). In contrast to other mGlu receptor allosteric modulators, XAP044 does not bind in the transmembrane domain but to the extracellular domain of the mGlu7 receptor and not at the orthosteric site. Here, we identified the mode of action of XAP044, combining synthesis of derivatives, modeling and docking experiments, and mutagenesis. We propose a unique mode of action of these inhibitors, preventing the closure of the Venus flytrap agonist binding domain. While acting as a noncompetitive antagonist of L-AP4, XAP044 and derivatives act as apparent competitive antagonists of LSP4-2022. These data revealed more potent XAP044 analogues and new possibilities to target mGluRs.
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Affiliation(s)
- Nunzia Cristiano
- Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques, Université Paris Cité, CNRS UMR 8601, 75006 Paris, France
| | - Alexandre Cabayé
- Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques, Université Paris Cité, CNRS UMR 8601, 75006 Paris, France
- BIOVIA Dassault Systèmes, F-78140 Vélizy-Villacoublay Cedex, France
| | - Isabelle Brabet
- Institute of Functional Genomics, University of Montpellier, CNRS, Inserm, 34094 Montpellier, France
| | - Ralf Glatthar
- Novartis Biomedical Research, CH-4002 Basel, Switzerland
| | - Amelie Tora
- Institute of Functional Genomics, University of Montpellier, CNRS, Inserm, 34094 Montpellier, France
| | - Cyril Goudet
- Institute of Functional Genomics, University of Montpellier, CNRS, Inserm, 34094 Montpellier, France
| | | | - Anne Goupil-Lamy
- BIOVIA Dassault Systèmes, F-78140 Vélizy-Villacoublay Cedex, France
| | - Peter J Flor
- Laboratory of Molecular and Cellular Neurobiology, Faculty of Biology and Preclinical Medicine, University of Regensburg, 93053 Regensburg, Germany
| | - Jean-Philippe Pin
- Institute of Functional Genomics, University of Montpellier, CNRS, Inserm, 34094 Montpellier, France
| | - Isabelle McCort-Tranchepain
- Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques, Université Paris Cité, CNRS UMR 8601, 75006 Paris, France
| | - Francine C Acher
- Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques, Université Paris Cité, CNRS UMR 8601, 75006 Paris, France
- Saints-Pères Paris Institute for the Neurosciences, Université Paris Cité, CNRS UMR 8003, 75006 Paris, France
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2
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Lei X, Hofmann CS, Rodriguez AL, Niswender CM. Differential Activity of Orthosteric Agonists and Allosteric Modulators at Metabotropic Glutamate Receptor 7. Mol Pharmacol 2023; 104:17-27. [PMID: 37105671 PMCID: PMC10289241 DOI: 10.1124/molpharm.123.000678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 03/23/2023] [Accepted: 03/28/2023] [Indexed: 04/29/2023] Open
Abstract
Metabotropic glutamate receptor 7 (mGlu7) is a G protein coupled receptor that has demonstrated promise as a therapeutic target across a number of neurologic and psychiatric diseases. Compounds that modulate the activity of mGlu7, such as positive and negative allosteric modulators, may represent new therapeutic strategies to modulate receptor activity. The endogenous neurotransmitter associated with the mGlu receptor family, glutamate, exhibits low efficacy and potency in activating mGlu7, and surrogate agonists, such as the compound L-(+)-2-Amino-4-phosphonobutyric acid (L-AP4), are often used for receptor activation and compound profiling. To understand the implications of the use of such agonists in the development of positive allosteric modulators (PAMs), we performed a systematic evaluation of receptor activation using a system in which mutations can be made in either protomer of the mGlu7 dimer; we employed mutations that prevent interaction with the orthosteric site as well as the G-protein coupling site of the receptor. We then measured increases in calcium levels downstream of a promiscuous G protein to assess the effects of mutations in one of the two protomers in the presence of two different agonists and three positive allosteric modulators. Our results reveal that distinct PAMs, for example N-[3-Chloro-4-[(5-chloro-2-pyridinyl)oxy]phenyl]-2-pyridinecarboxamide (VU0422288) and 3-(2,3-Difluoro-4-methoxyphenyl)-2,5-dimethyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine (VU6005649), do exhibit different maximal levels of potentiation with L-AP4 versus glutamate, but there appear to be common stable receptor conformations that are shared among all of the compounds examined here. SIGNIFICANCE STATEMENT: This manuscript describes the systematic evaluation of the mGlu7 agonists glutamate and L-(+)-2-Amino-4-phosphonobutyric acid (L-AP4) in the presence and absence of three distinct potentiators examining possible mechanistic differences. These findings demonstrate that mGlu7 potentiators display subtle variances in response to glutamate versus L-AP4.
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Affiliation(s)
- Xia Lei
- Department of Pharmacology (X.L., C.S.H., A.L.R., C.M.N.), Warren Center for Neuroscience Drug Discovery (X.L., A.L.R., C.M.N.), Vanderbilt Institute of Chemical Biology (C.M.N.), and Vanderbilt Brain Institute, Vanderbilt University, Nashville, Tennesee (C.M.N.); and Vanderbilt Kennedy Center, Vanderbilt University Medical Center, Nashville, Tennessee (C.M.N.)
| | - Christopher S Hofmann
- Department of Pharmacology (X.L., C.S.H., A.L.R., C.M.N.), Warren Center for Neuroscience Drug Discovery (X.L., A.L.R., C.M.N.), Vanderbilt Institute of Chemical Biology (C.M.N.), and Vanderbilt Brain Institute, Vanderbilt University, Nashville, Tennesee (C.M.N.); and Vanderbilt Kennedy Center, Vanderbilt University Medical Center, Nashville, Tennessee (C.M.N.)
| | - Alice L Rodriguez
- Department of Pharmacology (X.L., C.S.H., A.L.R., C.M.N.), Warren Center for Neuroscience Drug Discovery (X.L., A.L.R., C.M.N.), Vanderbilt Institute of Chemical Biology (C.M.N.), and Vanderbilt Brain Institute, Vanderbilt University, Nashville, Tennesee (C.M.N.); and Vanderbilt Kennedy Center, Vanderbilt University Medical Center, Nashville, Tennessee (C.M.N.)
| | - Colleen M Niswender
- Department of Pharmacology (X.L., C.S.H., A.L.R., C.M.N.), Warren Center for Neuroscience Drug Discovery (X.L., A.L.R., C.M.N.), Vanderbilt Institute of Chemical Biology (C.M.N.), and Vanderbilt Brain Institute, Vanderbilt University, Nashville, Tennesee (C.M.N.); and Vanderbilt Kennedy Center, Vanderbilt University Medical Center, Nashville, Tennessee (C.M.N.)
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3
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Dickson L, Teall M, Chevalier E, Cheung T, Liwicki GM, Mack S, Stephenson A, White K, Fosbeary R, Harrison DC, Brice NL, Doyle K, Ciccocioppo R, Wu C, Almond S, Patel TR, Mitchell P, Barnes M, Ayscough AP, Dawson LA, Carlton M, Bürli RW. Discovery of CVN636: A Highly Potent, Selective, and CNS Penetrant mGluR 7 Allosteric Agonist. ACS Med Chem Lett 2023; 14:442-449. [PMID: 37077399 PMCID: PMC10107911 DOI: 10.1021/acsmedchemlett.2c00529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 02/14/2023] [Indexed: 03/06/2023] Open
Abstract
The low affinity metabotropic glutamate receptor mGluR7 has been implicated in numerous CNS disorders; however, a paucity of potent and selective activators has hampered full delineation of the functional role and therapeutic potential of this receptor. In this work, we present the identification, optimization, and characterization of highly potent, novel mGluR7 agonists. Of particular interest is the chromane CVN636, a potent (EC50 7 nM) allosteric agonist which demonstrates exquisite selectivity for mGluR7 compared to not only other mGluRs, but also a broad range of targets. CVN636 demonstrated CNS penetrance and efficacy in an in vivo rodent model of alcohol use disorder. CVN636 thus has potential to progress as a drug candidate in CNS disorders involving mGluR7 and glutamatergic dysfunction.
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Affiliation(s)
- Louise Dickson
- Cerevance Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
- Takeda Cambridge Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
| | - Martin Teall
- Cerevance Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
- Takeda Cambridge Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
| | - Elodie Chevalier
- Cerevance Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
- Takeda Cambridge Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
| | - Toni Cheung
- Cerevance Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
- Takeda Cambridge Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
| | - Gemma M. Liwicki
- Takeda Cambridge Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
| | - Stephen Mack
- Takeda Cambridge Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
| | - Anne Stephenson
- Takeda Cambridge Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
| | - Kathryn White
- Takeda Cambridge Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
| | - Richard Fosbeary
- Cerevance Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
- Takeda Cambridge Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
| | - David C. Harrison
- Takeda Cambridge Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
| | - Nicola L. Brice
- Cerevance Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
- Takeda Cambridge Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
| | - Kevin Doyle
- Cerevance Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
| | - Roberto Ciccocioppo
- School of Pharmacy, Pharmacology Unit, University of Camerino, Camerino 62032, Italy
| | - Chaobo Wu
- WuXi Apptec Limited, 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
| | - Sarah Almond
- Takeda Cambridge Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
| | - Toshal R. Patel
- Takeda Cambridge Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
| | - Philip Mitchell
- Takeda Cambridge Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
| | - Matt Barnes
- Takeda Cambridge Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
| | - Andrew P. Ayscough
- Cerevance Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
- Takeda Cambridge Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
| | - Lee A. Dawson
- Cerevance Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
| | - Mark Carlton
- Cerevance Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
- Takeda Cambridge Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
| | - Roland W. Bürli
- Cerevance Limited, 418 Cambridge Science Park, Cambridge CB4 0PZ, U.K
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4
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van der Westhuizen ET. Single nucleotide variations encoding missense mutations in G protein-coupled receptors may contribute to autism. Br J Pharmacol 2023. [PMID: 36787962 DOI: 10.1111/bph.16057] [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: 09/26/2022] [Revised: 12/21/2022] [Accepted: 02/04/2023] [Indexed: 02/16/2023] Open
Abstract
Autism is a neurodevelopmental condition with a range of symptoms that vary in intensity and severity from person to person. Genetic sequencing has identified thousands of genes containing mutations in autistic individuals, which may contribute to the development of autistic symptoms. Several of these genes encode G protein-coupled receptors (GPCRs), which are cell surface expressed proteins that transduce extracellular messages to the intracellular space. Mutations in GPCRs can impact their function, resulting in aberrant signalling within cells and across neurotransmitter systems in the brain. This review summarises the current knowledge on autism-associated single nucleotide variations encoding missense mutations in GPCRs and the impact of these genetic mutations on GPCR function. For some autism-associated mutations, changes in GPCR expression levels, ligand affinity, potency and efficacy have been observed. However, for many the functional consequences remain unknown. Thus, further work to characterise the functional impacts of the genetically identified mutations is required.
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5
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Jdila MB, Mignon-Ravix C, Ncir SB, Kammoun F, Fakhfakh F, Villard L, Triki C. A large consanguineous family with a homozygous Metabotropic Glutamate Receptor 7 (mGlu7) variant and developmental epileptic encephalopathy: Effect on protein structure and ligand affinity. Orphanet J Rare Dis 2021; 16:317. [PMID: 34273994 PMCID: PMC8286605 DOI: 10.1186/s13023-021-01951-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 07/11/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Developmental and epileptic encephalopathies (DEE) are chronic neurological conditions where epileptic activity contributes to the progressive disruption of brain function, frequently leading to impaired motor, cognitive and sensory development. PATIENTS AND METHODS The present study reports a clinical investigation and a molecular analysis by Next Generation Sequencing (NGS) of a large consanguineous family comprising several cases of developmental and epileptic encephalopathy. Bioinformatic prediction and molecular docking analysis were also carried out. RESULTS The majority of patients in our studied family had severe developmental impairments, early-onset seizures, brain malformations such as cortical atrophy and microcephaly, developmental delays and intellectual disabilities. The molecular investigations revealed a novel homozygous variant c.1411G>A (p.Gly471Arg) in the GRM7 gene which was segregating with the disease in the family. Bioinformatic tools predicted its pathogenicity and docking analysis revealed its potential effects on mGlu7 protein binding to its ligand. CONCLUSION Our results contribute to a better understanding of the impact of GRM7 variants for the newly described associated phenotype.
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Affiliation(s)
- Marwa Ben Jdila
- Research Laboratory 'NeuroPédiatrie' (LR19ES15), Sfax Medical School, Sfax University, Sfax, Tunisia. .,Laboratory of Molecular and Functional Genetics, Faculty of Science of Sfax, Sfax University, Sfax, Tunisia.
| | | | - Sihem Ben Ncir
- Research Laboratory 'NeuroPédiatrie' (LR19ES15), Sfax Medical School, Sfax University, Sfax, Tunisia.,Child Neurology Department, Hedi Chaker Universitary Hospital of Sfax, Sfax, Tunisia
| | - Fatma Kammoun
- Research Laboratory 'NeuroPédiatrie' (LR19ES15), Sfax Medical School, Sfax University, Sfax, Tunisia.,Child Neurology Department, Hedi Chaker Universitary Hospital of Sfax, Sfax, Tunisia
| | - Faiza Fakhfakh
- Laboratory of Molecular and Functional Genetics, Faculty of Science of Sfax, Sfax University, Sfax, Tunisia
| | - Laurent Villard
- Inserm, MMG, Aix Marseille Univ, Marseille, France.,Département de Génétique Médicale, Hôpital d'Enfants de la Timone, Assistance Publique Hôpitaux de Marseille, 13385, Marseille, France
| | - Chahnez Triki
- Research Laboratory 'NeuroPédiatrie' (LR19ES15), Sfax Medical School, Sfax University, Sfax, Tunisia.,Child Neurology Department, Hedi Chaker Universitary Hospital of Sfax, Sfax, Tunisia
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Wang X, Gao C, Zhang Y, Hu S, Qiao Y, Zhao Z, Gou L, Song J, Wang Q. Overexpression of mGluR7 in the Prefrontal Cortex Attenuates Autistic Behaviors in Mice. Front Cell Neurosci 2021; 15:689611. [PMID: 34335187 PMCID: PMC8319395 DOI: 10.3389/fncel.2021.689611] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 06/24/2021] [Indexed: 11/13/2022] Open
Abstract
Autism spectrum disorder (ASD) is associated with a range of abnormalities pertaining to socialization, communication, repetitive behaviors, and restricted interests. Owing to its complexity, the etiology of ASD remains incompletely understood. The presynaptic G protein-coupled glutamate receptor metabotropic glutamate receptor 7 (mGluR7) is known to be essential for synaptic transmission and is also tightly linked with ASD incidence. Herein, we report that prefrontal cortex (PFC) mGluR7 protein levels were decreased in C57BL/6J mice exposed to valproic acid (VPA) and BTBR T+ Itpr3tf/J mice. The overexpression of mGluR7 in the PFC of these mice using a lentiviral vector was sufficient to reduce the severity of ASD-like behavioral patterns such that animals exhibited decreases in abnormal social interactions and communication, anxiety-like, and stereotyped/repetitive behaviors. Intriguingly, patch-clamp recordings revealed that the overexpression of mGluR7 suppressed neuronal excitability by inhibiting action potential discharge frequencies, together with enhanced action potential threshold and increased rheobase. These data offer a scientific basis for the additional study of mGluR7 as a promising therapeutic target in ASD and related neurodevelopmental disorders.
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Affiliation(s)
- Xiaona Wang
- Department of Nuclear Medicine, Affiliated Hospital of Guangdong Medical College, Zhanjiang, China
| | - Chao Gao
- Department of Rehabilitation, Children's Hospital Affiliated to Zhengzhou University, Zhengzhou, China
| | - Yaodong Zhang
- Department of Nuclear Medicine, Affiliated Hospital of Guangdong Medical College, Zhanjiang, China
| | - Shunan Hu
- Department of Nuclear Medicine, Affiliated Hospital of Guangdong Medical College, Zhanjiang, China
| | - Yidan Qiao
- Department of Pathology, Children's Hospital Affiliated to Zhengzhou University, Zhengzhou, China
| | - Zhengqin Zhao
- Department of Nuclear Medicine, Affiliated Hospital of Guangdong Medical College, Zhanjiang, China
| | - Lingshan Gou
- Center for Genetic Medicine, Xuzhou Maternity and Child Health Care Hospital, Xuzhou, China
| | - Jijun Song
- Henan Infectious Disease Hospital, The Sixth People's Hospital of Zhengzhou, Zhengzhou, China
| | - Qi Wang
- Department of Histology and Embryology, Guizhou Medical University, Guizhou, China
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Kang M, Lee D, Song JM, Park S, Park DH, Lee S, Suh YH. Neddylation is required for presynaptic clustering of mGlu7 and maturation of presynaptic terminals. Exp Mol Med 2021; 53:457-467. [PMID: 33767338 PMCID: PMC8080653 DOI: 10.1038/s12276-021-00585-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 01/31/2021] [Accepted: 02/09/2021] [Indexed: 12/17/2022] Open
Abstract
Neddylation is a posttranslational modification in which NEDD8 is conjugated to a target substrate by cellular processes similar to those involved in ubiquitination. Recent studies have identified PSD-95 and cofilin as substrates for neddylation in the brain and have shown that neddylation modulates the maturation and stability of dendritic spines in developing neurons. However, the precise substrates and functional consequences of neddylation at presynaptic terminals remain elusive. Here, we provide evidence that the mGlu7 receptor is a target of neddylation in heterologous cells and rat primary cultured neurons. We found that mGlu7 neddylation is reduced by agonist treatment and is required for the clustering of mGlu7 in the presynaptic active zone. In addition, we observed that neddylation is not required for the endocytosis of mGlu7, but it facilitates the ubiquitination of mGlu7 and stabilizes mGlu7 protein expression. Finally, we demonstrate that neddylation is necessary for the maturation of excitatory presynaptic terminals, providing a key role for neddylation in synaptic function.
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Affiliation(s)
- Minji Kang
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.,Neuroscience Research Institute, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.,Transplantation Research Institute, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
| | - DoEun Lee
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.,Neuroscience Research Institute, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.,Transplantation Research Institute, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
| | - Jae-Man Song
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.,Neuroscience Research Institute, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.,Transplantation Research Institute, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
| | - Sunha Park
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.,Neuroscience Research Institute, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.,Transplantation Research Institute, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
| | - Da-Ha Park
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.,Neuroscience Research Institute, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.,Transplantation Research Institute, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
| | - Sanghyeon Lee
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.,Neuroscience Research Institute, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.,Transplantation Research Institute, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
| | - Young Ho Suh
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea. .,Neuroscience Research Institute, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea. .,Transplantation Research Institute, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.
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