1)de Boer AS, Eggan K: A perspective on stem cell modeling of amyotrophic lateral sclerosis. Cell Cycle 14: 3679-3688, 2015
2)Burkhardt MF, Martinez FJ, Wright S, Ramos C, Volfson D, et al: A cellular model for sporadic ALS using patient-derived induced pluripotent stem cells. Mol Cell Neurosci 56: 355-364, 2013
3)Lee S, Huang EJ: Modeling ALS and FTD with iPSC-derived neurons. Brain Res 1656: 88-97, 2017
4)藤森康希, 岡野栄之: iPSを用いた筋萎縮性側索硬化症病態の解析と治療法の開発. 神経治療34: 95-100, 2017
5)Fujimori K, Ishikawa M, Otomo A, Atsuta N, Nakamura R, et al: Modeling sporadic ALS in iPSC-derived motor neurons identifies a potential therapeutic agent. Nat Med 24: 1579-1589, 2018
6)Wainger BJ, Lagier-Tourenne C: Taking on the elephant in the tissue culture room: iPSC modeling for sporadic ALS. Cell Stem Cell 23: 466-467, 2018
7)Ashburn TT, Thor KB: Drug repositioning: identifying and developing new uses for existing drugs. Nat Rev Drug Discov 3: 673-683, 2004
8)Langedijk J, Mantel-Teeuwisse AK, Slijkerman DS, Schutjens MH: Drug repositioning and repurposing: terminology and definitions in literature. Drug Discov Today 20: 1027-1034, 2015
9)van Es MA, Hardiman O, Chio A, Al-Chalabi A, Pasterkamp RJ, et al: Amyotrophic lateral sclerosis. Lancet 390: 2084-2098, 2017
10)Oskarsson B, Gendron TF, Staff NP: Amyotrophic lateral sclerosis: an update for 2018. Mayo Clin Proc 93: 1617-1628, 2018
11)Jaiswal MK: Riluzole and edaravone: a tale of two amyotrophic lateral sclerosis drugs. Med Res Rev 39: 733-748, 2019
12)Chia R, Chiò A, Traynor BJ: Novel genes associated with amyotrophic lateral sclerosis: diagnostic and clinical implications. Lancet Neurol 17: 94-102, 2018
13)Nakamura R, Sone J, Atsuta N, Tohnai G, Watanabe H, et al: Next-generation sequencing of 28 ALS-related genes in a Japanese ALS cohort. Neurobiol Aging 39: 219. e1-8, 2016[doi: 10.1016/j.neurobiolaging.2015.11.030]
14)Petrov D, Mansfield C, Moussy A, Hermine O: ALS clinical trials review: 20 years of failure. Are we any closer to registering a new treatment? Front Aging Neurosci 9: 68, 2017[doi: 10.3389/fnagi.2017.00068]
15)O'Collins VE, Macleod MR, Donnan GA, Horky LL, van der Worp BH, et al: 1,026 experimental treatments in acute stroke. Ann Neurol 59: 467-477, 2006
16)van Eijk RPA, Westeneng HJ, Nikolakopoulos S, Verhagen IE, van Es MA, et al: Refining eligibility criteria for amyotrophic lateral sclerosis clinical trials. Neurology, 2019 Jan 9[doi: 10.1212/WNL.0000000000006855]
17)Liddelow SA, Sofroniew MV: Astrocytes usurp neurons as a disease focus. Nat Neurosci 22: 512-513, 2019
18)Matsumoto T, Fujimori K, Andoh-Noda T, Ando T, Kuzumaki N, et al: Functional neurons generated from T cell-derived induced pluripotent stem cells for neurological disease modeling. Stem Cell Reports 6: 422-435, 2016
19)Imaizumi K, Sone T, Ibata K, Fujimori K, Yuzaki M, et al: Controlling the regional identity of hPSC-derived neurons to uncover neuronal subtype specificity of neurological disease phenotypes. Stem Cell Reports 5: 1010-1022, 2015
20)Ravits JM, La Spada AR: ALS motor phenotype heterogeneity, focality, and spread: deconstructing motor neuron degeneration. Neurology 73: 805-811, 2009
21)Wainger BJ, Kiskinis E, Mellin C, Wiskow O, Han SS, et al: Intrinsic membrane hyperexcitability of amyotrophic lateral sclerosis patient-derived motor neurons. Cell Rep 7: 1-11, 2014
22)Imamura K, Izumi Y, Watanabe A, Tsukita K, Woltjen K, et al: The Src/c-Abl pathway is a potential therapeutic target in amyotrophic lateral sclerosis. Sci Transl Med 9: 2017[doi: 10.1126/scitranslmed.aaf3962]
23)Iida M, Miyazaki I, Tanaka K, Kabuto H, Iwata-Ichikawa E, et al: Dopamine D2 receptor-mediated antioxidant and neuroprotective effects of ropinirole, a dopamine agonist. Brain Res 838: 51-59, 1999
24)Tanaka K, Miyazaki I, Fujita N, Haque ME, Asanuma M, et al: Molecular mechanism in activation of glutathione system by ropinirole, a selective dopamine D2 agonist. Neurochem Res 26: 31-36, 2001
25)Parvez S, Winkler-Stuck K, Hertel S, Schönfeld P, Siemen D: The dopamine-D2-receptor agonist ropinirole dose-dependently blocks the Ca2+ -triggered permeability transition of mitochondria. Biochim Biophys Acta 1797: 1245-1250, 2010
26)Park G, Park YJ, Yang HO, Oh MS: Ropinirole protects against 1-methyl-4-phenyl-1, 2, 3, 6-tetrahydropyridine (MPTP)-induced neurotoxicity in mice via anti-apoptotic mechanism. Pharmacol Biochem Behav 104: 163-168, 2013
27)Rasheed MZ, Tabassum H, Parvez S: Mitochondrial permeability transition pore: a promising target for the treatment of Parkinson's disease. Protoplasma 254: 33-42, 2017
28)Shefner JM, Liu D, Leitner ML, Schoenfeld D, Johns DR, et al: Quantitative strength testing in ALS clinical trials. Neurology 87: 617-624, 2016
29)Hiraoka A, Yoshikawa M, Nakamori M, Hosomi N, Nagasaki T, et al: Maximum tongue pressure is associated with swallowing dysfunction in ALS patients. Dysphagia 32: 542-547, 2017
30)Song MK, Lin FC, Ward SE, Fine JP: Composite variables: when and how. Nurs Res 62: 45-49, 2013