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  1. Article

    Open Access

    Meta-analysis of shotgun sequencing of gut microbiota in Parkinson’s disease

    We aimed to identify gut microbial features in Parkinson’s disease (PD) across countries by meta-analyzing our fecal shotgun sequencing dataset of 94 PD patients and 73 controls in Japan with five previously r...

    Hiroshi Nishiwaki, Jun Ueyama, Mikako Ito, Tomonari Hamaguchi in npj Parkinson's Disease (2024)

  2. Article

    Open Access

    Development of machine learning models for predicting unfavorable functional outcomes from preoperative data in patients with chronic subdural hematomas

    Chronic subdural hematoma (CSDH) often causes neurological deterioration and is treated with hematoma evacuation. This study aimed to assess the feasibility of various machine learning models to preoperatively...

    Yutaro Fuse, Yoshitaka Nagashima, Hiroshi Nishiwaki, Fumiharu Ohka in Scientific Reports (2023)

  3. Article

    Open Access

    Gastrointestinal disorders in Parkinson’s disease and other Lewy body diseases

    Parkinson’s disease (PD) is pathologically characterized by the abnormal accumulation of α-synuclein fibrils (Lewy bodies) in the substantia nigra and other brain regions, although the role of Lewy bodies rema...

    Masaaki Hirayama, Hiroshi Nishiwaki, Tomonari Hamaguchi in npj Parkinson's Disease (2023)

  4. No Access

    Article

    Machine learning models predict delayed hyponatremia post-transsphenoidal surgery using clinically available features

    Delayed hyponatremia (DHN), a unique complication, is the leading cause of unexpected readmission after pituitary surgery. Therefore, this study aimed to develop tools for predicting postoperative DHN in patie...

    Yutaro Fuse, Kazuhito Takeuchi, Hiroshi Nishiwaki, Takahiro Imaizumi in Pituitary (2023)

  5. Article

    Open Access

    Activated FGFR3 suppresses bone regeneration and bone mineralization in an ovariectomized mouse model

    Postmenopausal osteoporosis is a widespread health concern due to its prevalence among older adults and an associated high risk of fracture. The downregulation of bone regeneration delays fracture healing. Act...

    Itaru Kawashima, Masaki Matsushita, Kenichi Mishima in BMC Musculoskeletal Disorders (2023)

  6. Article

    Open Access

    Gut microbiota in dementia with Lewy bodies

    Gut microbiota and fecal bile acids were analyzed in 278 patients with α-synucleinopathies, which were comprised of 28 patients with dementia with Lewy bodies (DLB), 224 patients with Parkinson’s disease (PD),...

    Hiroshi Nishiwaki, Jun Ueyama, Kenichi Kashihara, Mikako Ito in npj Parkinson's Disease (2022)

  7. Article

    Open Access

    Efficacy of soluble lansoprazole-impregnated beta-tricalcium phosphate for bone regeneration

    The proton pump inhibitor lansoprazole has been previously identified to upregulate the expression and transcriptional activity of runt-related transcription factor 2 (Runx2) that promotes lineage commitment a...

    Kenichi Mishima, Yuka Tsukagoshi Okabe, Masaaki Mizuno, Kinji Ohno in Scientific Reports (2022)

  8. Article

    Open Access

    Efficacy of auranofin as an inhibitor of desmoid progression

    Anticancer drugs and molecular targeted therapies are used for refractory desmoid-type fibromatosis (DF), but occasionally cause severe side effects. The purpose of this study was to identify an effective drug...

    Kan Ito, Yoshihiro Nishida, Shunsuke Hamada, Koki Shimizu in Scientific Reports (2022)

  9. Article

    Open Access

    Short chain fatty acids-producing and mucin-degrading intestinal bacteria predict the progression of early Parkinson’s disease

    To elucidate the relevance of gut dysbiosis in Parkinson’s disease (PD) in disease progression, we made random forest models to predict the progression of PD in two years by gut microbiota in 165 PD patients. ...

    Hiroshi Nishiwaki, Mikako Ito, Tomonari Hamaguchi, Tetsuya Maeda in npj Parkinson's Disease (2022)

  10. Article

    Open Access

    Extremely low-frequency pulses of faint magnetic field induce mitophagy to rejuvenate mitochondria

    Humans are frequently exposed to time-varying and static weak magnetic fields (WMF). However, the effects of faint magnetic fields, weaker than the geomagnetic field, have been scarcely reported. Here we show ...

    Takuro Toda, Mikako Ito, Jun-ichi Takeda, Akio Masuda in Communications Biology (2022)

  11. Article

    Open Access

    Hierarchical non-negative matrix factorization using clinical information for microbial communities

    The human microbiome forms very complex communities that consist of hundreds to thousands of different microorganisms that not only affect the host, but also participate in disease processes. Several state-of-...

    Ko Abe, Masaaki Hirayama, Kinji Ohno, Teppei Shimamura in BMC Genomics (2021)

  12. Article

    Open Access

    Zonisamide ameliorates progression of cervical spondylotic myelopathy in a rat model

    Cervical spondylotic myelopathy (CSM) is caused by chronic compression of the spinal cord and is the most common cause of myelopathy in adults. No drug is currently available to mitigate CSM. Herein, we made a...

    Shunsuke Kanbara, Bisei Ohkawara, Hiroaki Nakashima, Kyotaro Ohta in Scientific Reports (2020)

  13. Article

    Open Access

    Author Correction: Mianserin suppresses R-spondin 2-induced activation of Wnt/β-catenin signaling in chondrocytes and prevents cartilage degradation in a rat model of osteoarthritis

    An amendment to this paper has been published and can be accessed via a link at the top of the paper.

    Toshiaki Okura, Bisei Ohkawara, Yasuhiko Takegami, Mikako Ito in Scientific Reports (2020)

  14. Article

    Open Access

    Inhibition of cyclooxygenase-1 by nonsteroidal anti-inflammatory drugs demethylates MeR2 enhancer and promotes Mbnl1 transcription in myogenic cells

    Muscleblind-like 1 (MBNL1) is a ubiquitously expressed RNA-binding protein, which is highly expressed in skeletal muscle. Abnormally expanded CUG-repeats in the DMPK gene cause myotonic dystrophy type 1 (DM1) by ...

    Kun Huang, Akio Masuda, Guiying Chen, Samira Bushra, Masayoshi Kamon in Scientific Reports (2020)

  15. No Access

    Article

    Hydrogen water alleviates obliterative airway disease in mice

    Bronchiolitis obliterans syndrome arising from chronic airway inflammation is a leading cause of death following lung transplantation. Several studies have suggested that inhaled hydrogen can protect lung graf...

    Naoki Ozeki, Aika Yamawaki-Ogata in General Thoracic and Cardiovascular Surgery (2020)

  16. Article

    Open Access

    ENIGMA: an enterotype-like unigram mixture model for microbial association analysis

    One of the major challenges in microbial studies is detecting associations between microbial communities and a specific disease. A specialized feature of microbiome count data is that intestinal bacterial comm...

    Ko Abe, Masaaki Hirayama, Kinji Ohno, Teppei Shimamura in BMC Genomics (2019)

  17. Article

    Open Access

    Mianserin suppresses R-spondin 2-induced activation of Wnt/β-catenin signaling in chondrocytes and prevents cartilage degradation in a rat model of osteoarthritis

    Aberrant activation of the Wnt/β-catenin signaling pathway promotes the progression of osteoarthritis (OA). We previously reported that R-spondin 2 (Rspo2), an activator of the Wnt/β-catenin signaling, facilit...

    Toshiaki Okura, Bisei Ohkawara, Yasuhiko Takegami, Mikako Ito in Scientific Reports (2019)

  18. Article

    Open Access

    A latent allocation model for the analysis of microbial composition and disease

    Establishing the relationship between microbiota and specific diseases is important but requires appropriate statistical methodology. A specialized feature of microbiome count data is the presence of a large n...

    Ko Abe, Masaaki Hirayama, Kinji Ohno, Teppei Shimamura in BMC Bioinformatics (2018)

  19. Article

    Open Access

    Differential effects of spinal motor neuron-derived and skeletal muscle-derived Rspo2 on acetylcholine receptor clustering at the neuromuscular junction

    We recently reported that R-spondin 2 (Rspo2), a secreted activator of Wnt/β-catenin signaling, promotes acetylcholine receptor (AChR) clustering and neuromuscular junction (NMJ) formation via its receptor, Lg...

    ** Li, Mikako Ito, Bisei Ohkawara, Akio Masuda, Kinji Ohno in Scientific Reports (2018)

  20. Article

    Open Access

    Lack of Fgf18 causes abnormal clustering of motor nerve terminals at the neuromuscular junction with reduced acetylcholine receptor clusters

    FGF receptor 2 is involved in the formation of the neuromuscular junction (NMJ), but its in vivo ligand remains to be determined. Laser capture microdissection of the mouse spinal motor neurons (SMNs) revealed th...

    Kenyu Ito, Bisei Ohkawara, Hideki Yagi, Hiroaki Nakashima in Scientific Reports (2018)

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