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Search: authors:"Shingo Koyama"

7 papers found.
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Nationwide survey on cerebrotendinous xanthomatosis in Japan

Scholar Search for Shingo Koyama in:Nature Research journals • PubMed • Google Scholar Search for Tsuneaki Yoshinaga in:Nature Research journals • PubMed • Google Scholar Search for Masayoshi Koinuma

Clinical and radiological diversity in genetically confirmed primary familial brain calcification

Primary familial brain calcification (PFBC) is a rare neuropsychiatric disorder with characteristic symmetrical brain calcifications. Patients with PFBC may have a variety of symptoms, although they also may be clinically asymptomatic. Parkinsonism is one of the most common movement disorders; however, the underlying mechanism remains unclear. This condition is typically...

Acupuncture Alleviated the Nonmotor Symptoms of Parkinson’s Disease including Pain, Depression, and Autonomic Symptoms

’ Contribution Chifumi Iseki collected the data and drafted and edited the paper. Taiga Furuta and Masao Suzuki treated the patient with acupuncture. Shingo Koyama and Keiji Suzuki edited the paper. Tomoko Suzuki

Zonisamide Attenuates α-Synuclein Neurotoxicity by an Aggregation-Independent Mechanism in a Rat Model of Familial Parkinson’s Disease

Sasaki 0 Kaori Koga 0 Shingo Koyama 0 Philipp J. Kahle, Hertie Institute for Clinical Brain Research and German Center for Neurodegenerative Diseases, Germany 0 Department of Neurology, Hematology

A Segmental Copy Number Loss of the SFMBT1 Gene Is a Genetic Risk for Shunt-Responsive, Idiopathic Normal Pressure Hydrocephalus (iNPH): A Case-Control Study

Little is known about genetic risk factors for idiopathic normal pressure hydrocephalus (iNPH). We examined whether a copy number loss in intron 2 of the SFMBT1 gene could be a genetic risk for shunt-responsive, definite iNPH. Quantitative and digital PCR analyses revealed that 26.0% of shunt-responsive definite iNPH patients (n = 50) had such a genetic change, as compared with 4...

A systematic RNAi screen reveals involvement of endocytic pathway in neuronal dysfunction in α-synuclein transgenic C. elegans

Mutations or multiplications in α-synuclein gene cause familial forms of Parkinson disease or dementia with Lewy bodies (LB), and the deposition of wild-type α-synuclein as LB occurs as a hallmark lesion of these disorders, collectively referred to as synucleinopathies, implicating α-synuclein in the pathogenesis of synucleinopathy. To identify modifier genes of α-synuclein...

Sight-threatening optic neuropathy is associated with paranasal lymphoma

Sight-threatening optic neuropathy is associated with paranasal lymphoma Takahiko Hayashi1, Ken Watanabe2, Yukio Tsuura3, Gengo Tsuji4, Shingo Koyama4, Jun Yoshigi4, Naoko Hirata1, Shin Yamane1, Yasuhito Iizima5, Shigeo Toyota6, Satoshi Takeuchi11Department of Ophthalmology, Yokosuka Kyosai Hospital, Japan; 2Department of Hematology, Graduate School of Medicine, Tokyo Medical and...