Papers - TOMIYAMA MASAHIKO
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Morphological Changes in Direct Pathway Striatal Neurons in a Rat Model of Tardive Dyskinesia.
Hiroki Hikichi, Haruo Nishijima, Fumiaki Mori, Iku Kinoshita, Chieko Suzuki, Koichi Wakabayashi, Masahiko Tomiyama
Movement disorders : official journal of the Movement Disorder Society 41 ( 1 ) 234 - 240 2025.10
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Axon terminal hypertrophy of striatal projection neurons with levodopa-induced dyskinesia priming.
Takashi Nakamura, Haruo Nishijima, Fumiaki Mori, Iku Kinoshita, Tomoya Kon, Chieko Suzuki, Koichi Wakabayashi, Masahiko Tomiyama
Frontiers in neuroscience 17 1169336 - 1169336 2023
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Co-Expression of Tardive Dyskinesia and Drug-Induced Parkinsonism in Rats Chronically Treated With Haloperidol.
Kinoshita I, Nishijima H, Nakamura T, Kon T, Shimoyama S, Hikichi H, Suzuki C, Tomiyama M
Neuropsychopharmacology reports 45 ( 1 ) e12524 2025.3
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GABA storage and release from direct pathway neurons account for the enhanced short-duration response of L-dopa in Parkinson's disease.
Haruo Nishijima, Masahiko Tomiyama
Journal of the neurological sciences 456 122844 - 122844 2024.1
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Cerebrospinal fluid HOMER1 and NPTX2 as candidate signatures in early-stage multiple system atrophy-parkinsonism.
Saki Hatakeyama, Yasuo Miki, Makoto Timon Tanaka, Eri Shibuya, Tatsuya Ueno, Shuji Shimoyama, Haruo Nishijima, Akira Arai, Chieko Suzuki, Masahiko Tomiyama, Akiyoshi Kakita, Koichi Wakabayashi
Journal of the neurological sciences 483 125840 - 125840 2026.2
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Resolution of Visual Hallucinations in Parkinson's Disease After Right Occipitoparietal Subcortical Hemorrhage: A Case Report.
Nishijima H, Shibuya E, Seino S, Mikami Y, Tomiyama M
Cureus 18 ( 2 ) e103306 2026.2
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Efficacy and Safety of IncobotulinumtoxinA for Treatment of Sialorrhea: A Multicenter, Phase 3 Study in Japan.
Hattori N, Mukai Y, Nishikawa N, Hasegawa K, Tomiyama M, Kimura Y, Tsuboi Y, Takahashi R, Nakamura R, Izumi Y, Watanabe H, Seki M, Sekiguchi K, Tateishi S, Matsushita Y, Nakamura Y
Movement disorders clinical practice 13 ( 1 ) 120 - 130 2026.1
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Efficacy of 42-month oral administration of glucoraphanin in preventing cognitive decline in individuals at elevated risk of dementia, including those with mild cognitive impairment: a randomized, double-blind, placebo-controlled pilot study.
Shimizu S, Kasai S, Suzuki C, Kon T, Suganuma H, Suzuki S, Murashita K, Nakaji S, Ihara K, Tomiyama M, Itoh K
Frontiers in nutrition 13 1740494 2026
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Disease-modifying effect, safety and optimal dose of oral semaglutide tablets for patients with Parkinson's disease (MOST-ABLE study): protocol for a randomised, double-blind, placebo-controlled study.
Kimura Y, Koda T, Kurakami H, Sakamoto S, Iwasaki K, Asai K, Ge L, Kato H, Tsuboi T, Matsukawa N, Kano O, Matsuse D, Tomiyama M, Yokoe M, Nagai Y, Mochizuki H
BMJ open 15 ( 12 ) e112318 2025.12
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Impact of Adjunctive Istradefylline on Dyskinesia Onset in Patients with Parkinson's Disease Exhibiting Wearing-Off: An Open-Label Randomized Controlled Trial.
Tsuboi Y, Hasegawa T, Shimo Y, Kaneko S, Tomiyama M, Kashihara K, Chiu SW, Yamaguchi T, ODYSSEI study group
Neurology and therapy 14 ( 6 ) 2411 - 2427 2025.12
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Phenomenology Video: A Rare Causee of Dyspnea-Respiratory Laryngeal Dystonia.
Fujita M, Nishijima H, Suzuki C, Tomiyama M
Movement disorders clinical practice 2025.11
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Sporadic Creutzfeldt-Jakob Disease Complicated by Intracerebral Hemorrhaging in the Early Stage of Onset
Fujita Masako, Nishijima Haruo, Mikami Youhei, Suzuki Chieko, Tomiyama Masahiko
Internal Medicine 64 ( 22 ) 3294 - 3297 2025.11
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Cerebrospinal fluid-driven extracellular vesicle as a potential diagnostic biomarker for multiple system atrophy.
Eri Shibuya, Yasuo Miki, Makoto Timon Tanaka, Tatsuya Ueno, Shuji Shimoyama, Yota Tatara, Haruo Nishijima, Akira Arai, Chieko Suzuki, Fumiaki Mori, Koichi Wakabayashi, Masahiko Tomiyama
Journal of the neurological sciences 478 123738 - 123738 2025.10
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Altered connectivity among the triple brain networks in patients with mild cognitive impairment: a source-based morphometry study with a large elderly population.
Yotsuya C, Watanabe K, Kasai S, Umemura Y, Shintaku T, Ishimoto Y, Sasaki M, Nagaya H, Tatsuo S, Mikami T, Tamada Y, Ide S, Tomiyama M, Kakeda S
Japanese journal of radiology 43 ( 9 ) 1434 - 1444 2025.9
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Morphologic Changes in Striatonigral Neurons in a Rat Model of Levodopa-Induced Dyskinesia.
Masako Fujita, Haruo Nishijima, Tomonori Furukawa, Fumiaki Mori, Aogi Kobayashi, Chieko Suzuki, Koichi Wakabayashi, Masahiko Tomiyama
Neuroscience research 219 104953 - 104953 2025.8
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Improved Assessment of Juxtacortical Lesions in Multiple Sclerosis Using Highly-accelerated High-resolution Double Inversion Recovery MR Imaging with Deep Learning-based Reconstruction
Shintaku Tomohiro, Ide Satoru, Nagaya Haruka, Ishimoto Yuka, Watanabe Keita, Oyu Kazuhiko, Kasai Sera, Umemura Yoshihito, Sasaki Miho, Saito Kana, Ozawa Amo, Nozaki Atsushi, Zhu Xucheng, Wakayama Tetsuya, Nishijima Haruo, Suzuki Chieko, Tomiyama Masahiko, Kakeda Shingo
Magnetic Resonance in Medical Sciences advpub ( 0 ) n/a 2025
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Genetic and clinical study of PARK7 in Japanese Parkinson's disease.
Ishiguro M, Funayama M, Hatano T, Nishida H, Wada Y, Noda K, Tomiyama M, Yoshino H, Li Y, Ong S, Cioffi E, Nishioka K, Hattori N
Heliyon 10 ( 15 ) e35271 2024.8
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ぺムブロリズマブにより多発根神経炎を呈した1剖検例
清野翔太, 鈴木千恵, 西嶌春生, 引地浩基, 木下郁, 渋谷絵里, 藤田真子, 片貝敦, 三浦万紀, 三木康生, 若林孝一, 冨山誠彦
末梢神経 35 ( 1 ) 136-143 2024.7
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Withdrawal Dyskinesia Associated With Aripiprazole in a Child: A Case Report.
Nishijima H, Nishijima M, Oyama C, Tomiyama M
Cureus 16 ( 7 ) e65223 2024.7
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L-ドパ誘発ジスキネジアの発現機序
冨山 誠彦
弘前医学 74 ( 1-4 ) 143 2024.3