2024/04/12 更新

写真a

ウエムラ マイコ
上村 麻衣子
UEMURA MAIKO
担当
大学院医学研究科 基礎医科学専攻 講師
医学部 医学科
職名
講師
所属
医学研究院
所属キャンパス
阿倍野キャンパス

担当・職階

  • 大学院医学研究科 基礎医科学専攻 

    講師  2023年10月 - 継続中

  • 医学部 医学科 

    講師  2023年10月 - 継続中

取得学位

  • 博士(医学) ( 京都大学 )

研究分野

  • ライフサイエンス / 神経科学一般

  • ライフサイエンス / 神経内科学

  • ライフサイエンス / 神経科学一般  / タウ、α-シヌクレイン 、TDP-43、血管性認知症

研究キーワード

  • タウ

  • α-シヌクレイン

  • TDP-43

  • アルツハイマー病

  • 血管性認知症

  • 血管性認知症

  • 辺縁系優位型加齢性 TDP-43脳症

  • パーキンソン病

  • アルツハイマー病

所属学協会

  • 日本内科学会

      国内

  • 日本神経学会

      国内

  • 日本神経科学学会

      国内

  • 日本認知症学会

      国内

  • 日本脳血管・認知症学会

      国内

  • 日本神経病理学会

      国内

  • 日本老年医学会

      国内

  • 日本女性科学者の会

      国内

  • 日本内科学会

  • 日本分子生物学会

  • 日本神経学会

  • 日本神経病理学会

  • 日本神経科学学会

  • 日本脳卒中学会

  • 日本認知症学会

▼全件表示

受賞歴

▼全件表示

職務経歴(学外)

  • 京都大学   脳病態生理学講座臨床神経学   非常勤研究員

    2023年10月 - 継続中

  • 京都大学   大学院医学研究科脳病態生理学講座臨床神経学   特定助教

    2023年04月 - 2023年10月

  • 大津赤十字病院   脳神経内科   医員

    2022年10月 - 2023年03月

  • 京都大学   大学院医学研究科認知症制御学講座   特任助教

    2022年10月 - 2023年03月

  • ペンシルベニア大学   神経変性疾患研究センター   ポスドク研究員

    2018年07月 - 2022年09月

  • 日本学術振興会   海外特別研究員-RRA

    2018年07月 - 2020年06月

  • 京都大学   大学院医学研究科脳病態生理学講座臨床神経学   特定研究員

    2015年04月 - 2018年06月

▼全件表示

論文

  • Abundant copathologies of polyglucosan bodies, frontotemporal lobar degeneration with TDP‐43 inclusions and ageing‐related tau astrogliopathy in a family with a GBE1 mutation 査読 国際共著

    Uemura, Maiko T and Suh, Eun and Robinson, John L and Brunden, Kurt R and Grossman, Murray and Irwin, David J and Lee, Virginia and Trojanowski, John Q and Lee, Edward B and Deerlin, Vivianna M

    Neuropathology and Applied Neurobiology   49 ( 1 )   e12865 - e12865   2023年( ISSN:0305-1846

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    担当区分:筆頭著者   掲載種別:研究論文(学術雑誌)   共著区分:共著   国際・国内誌:国際誌  

    Adult polyglucosan body disease (APBD) is a progressive neurogenetic disorder caused by 1,4‐alpha‐glucan branching enzyme 1 (GBE1) mutation with an accumulation of polyglucosan bodies (PBs) in the central and peripheral nervous systems as a pathological hallmark. Here, we report two siblings in a family with a GBE1 mutation with prominent frontotemporal lobar degeneration with TAR DNA‐binding protein 43 (FTLD‐TDP) and ageing‐related tau astrogliopathy (ARTAG) copathologies with PBs in the central nervous system. Whole‐genome sequencing (WGS) followed by Sanger sequencing (SS) was performed on three affected and two unaffected siblings in a pedigree diagnosed with familial frontotemporal dementia. Out of the affected siblings, autopsies were conducted on two cases, and brain samples were used for biochemical and histological analyses. Brain sections were stained with haematoxylin and eosin and immunostained with antibodies against ubiquitin, tau, amyloid β, α‐synuclein, TDP‐43 and fused in sarcoma (FUS). A novel single nucleotide deletion in GBE1, c.1280delG, was identified, which is predicted to result in a reading frameshift, p.Gly427Glufs*9. This variant segregated with disease in the family, is absent from population databases and is predicted to cause loss of function, a known genetic mechanism for APBD. The affected siblings showed a greater than 50\% decrease in GBE protein levels. Immunohistochemical analysis revealed widespread FTLD‐TDP (type A) and ARTAG pathologies as well as PBs in the brains of two affected siblings for whom an autopsy was performed. This is the first report of a family with several individuals with a FTD clinical phenotype and underlying copathologies of APBD, FTLD‐TDP and ARTAG with a segregating GBE1 loss‐of‐function mutation in affected siblings. The finding of copathologies of APBD and FTLD‐TDP suggests these processes may share a disease mechanism resulting from this GBE1 mutation. A family with FTD clinical phenotype with a novel GBE1 mutation c.1280delG was identified, which is predicted to result in a reading frameshift, p.Gly427Glufs*9. Two of the affected siblings showed a reduction in GBE protein expression levels with abundant FTLD‐TDP Type A pathology in the grey matter, abundant PBs, and ARTAG in the subpial matter and the white matter. The finding of copathologies of APBD and FTLD‐TDP suggest these processes may share a disease mechanism resulting from this GBE1 loss‐of‐function mutation.

    DOI: 10.1111/nan.12865

  • Hemosiderin Detection inside the Mammillary Bodies Using Quantitative Susceptibility Mapping on Patients with Wernicke-Korsakoff Syndrome. 査読 国際共著

    Nakamura, Yuri and Fushimi, Yasutaka and Hinoda, Takuya and Nakajima, Satoshi and Sakata, Akihiko and Okuchi, Sachi and Otani, Sayo and Tagawa, Hiroshi and Wang, Yang and Ikeda, Satoshi and Kawashima, Hirotsugu and Uemura, Maiko T and Nakamoto, Yuji

    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine   23 ( 1 )   14 - 17   2022年( ISSN:1347-3182

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    掲載種別:研究論文(学術雑誌)   共著区分:共著   国際・国内誌:国際誌  

    Hemorrhage inside the mammillary bodies (MMBs) is known to be one of the findings of Wernicke encephalopathy. Brain MRI of two patients with Wernicke-Korsakoff syndrome (WKS) demonstrated high susceptibility values representing hemosiderin deposition in MMBs by using quantitative susceptibility mapping (QSM). QSM provided additional information of susceptibility values to susceptibility-weighted imaging in diagnosis of WKS.

    DOI: 10.2463/mrms.ici.2022-0109

    PubMed

  • Failure of DNA double-strand break repair by tau mediates Alzheimer's disease pathology in vitro. 査読

    Asada-Utsugi, Megumi and Uemura, Kengo and Ayaki, Takashi and Uemura, Maiko T and Minamiyama, Sumio and Hikiami, Ryota and Morimura, Toshifumi and Shodai, Akemi and Ueki, Takatoshi and Takahashi, Ryosuke and Kinoshita, Ayae and Urushitani, Makoto

    Communications biology   5 ( 1 )   358 - 358   2022年

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    掲載種別:研究論文(学術雑誌)   共著区分:共著   国際・国内誌:国際誌  

    DNA double-strand break (DSB) is the most severe form of DNA damage and accumulates with age, in which cytoskeletal proteins are polymerized to repair DSB in dividing cells. Since tau is a microtubule-associated protein, we investigate whether DSB is involved in tau pathologies in Alzheimer's disease (AD). First, immunohistochemistry reveals the frequent coexistence of DSB and phosphorylated tau in the cortex of AD patients. In vitro studies using primary mouse cortical neurons show that non-p-tau accumulates perinuclearly together with the tubulin after DSB induction with etoposide, followed by the accumulation of phosphorylated tau. Moreover, the knockdown of endogenous tau exacerbates DSB in neurons, suggesting the protective role of tau on DNA repair. Interestingly, synergistic exposure of neurons to microtubule disassembly and the DSB strikingly augments aberrant p-tau aggregation and apoptosis. These data suggest that DSB plays a pivotal role in AD-tau pathology and that the failure of DSB repair leads to tauopathy.

    DOI: 10.1038/s42003-022-03312-0

    その他URL: https://www.nature.com/articles/s42003-022-03312-0

  • Rapid Induction of Dopaminergic Neuron Loss Accompanied by Lewy Body-Like Inclusions in A53T BAC-SNCA Transgenic Mice. 査読

    Okuda, Shinya and Uemura, Norihito and Sawamura, Masanori and Taguchi, Tomoyuki and Ikuno, Masashi and Uemura, Maiko T and Yamakado, Hodaka and Takahashi, Ryosuke

    Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics   19 ( 1 )   289 - 289   2022年( ISSN:1933-7213

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    掲載種別:研究論文(学術雑誌)   共著区分:共著   国際・国内誌:国際誌  

    Parkinson's disease (PD), the most common neurodegenerative movement disorder, is characterized by dopaminergic neuron loss in the substantia nigra pars compacta (SNpc) and intraneuronal α-synuclein (α-syn) inclusions. It is highly needed to establish a rodent model that recapitulates the clinicopathological features of PD within a short period to efficiently investigate the pathological mechanisms and test disease-modifying therapies. To this end, we analyzed three mouse lines, i.e., wild-type mice, wild-type human α-syn bacterial artificial chromosome (BAC) transgenic (BAC-SNCA Tg) mice, and A53T human α-syn BAC transgenic (A53T BAC-SNCA Tg) mice, receiving dorsal striatum injections of human and mouse α-syn preformed fibrils (hPFFs and mPFFs, respectively). mPFF injections induced more severe α-syn pathology in most brain regions, including the ipsilateral SNpc, than hPFF injections in all genotypes at 1-month post-injection. Although these Tg mouse lines expressed a comparable amount of α-syn in the brains, the mPFF-injected A53T BAC-SNCA Tg mice exhibited the most severe α-syn pathology as early as 0.5-month post-injection. The mPFF-injected A53T BAC-SNCA Tg mice showed a 38\% reduction in tyrosine hydroxylase (TH)-positive neurons in the ipsilateral SNpc, apomorphine-induced rotational behavior, and motor dysfunction at 2 months post-injection. These data indicate that the extent of α-syn pathology induced by α-syn PFF injection depends on the types of α-syn PFFs and exogenously expressed α-syn in Tg mice. The mPFF-injected A53T BAC-SNCA Tg mice recapitulate the key features of PD more rapidly than previously reported mouse models, suggesting their usefulness for testing disease-modifying therapies as well as analyzing the pathological mechanisms.

    DOI: 10.1007/s13311-021-01169-5

    PubMed

    その他URL: https://www.researchsquare.com/article/rs-355605/v1.html

  • α-Synuclein Spread from Olfactory Bulb Causes Hyposmia, Anxiety, and Memory Loss in BAC-SNCA Mice. 査読 国際共著

    Uemura, Norihito and Ueda, Jun and Yoshihara, Toru and Ikuno, Masashi and Uemura, Maiko T and Yamakado, Hodaka and Asano, Masahide and Trojanowski, John Q and Takahashi, Ryosuke

    Movement disorders : official journal of the Movement Disorder Society   36 ( 9 )   2036 - 2036   2021年( ISSN:0885-3185

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    掲載種別:研究論文(学術雑誌)   共著区分:共著   国際・国内誌:国際誌  

    BACKGROUND: Patients with Parkinson's disease (PD) show motor symptoms as well as various non-motor symptoms. Postmortem studies of PD have suggested that initial alpha-synuclein (α-Syn) pathology develops independently in the olfactory bulb and lower brainstem, spreading from there stereotypically. However, it remains unclear how these two pathological pathways contribute to the clinicopathological progression of PD. OBJECTIVE: The objective of this study was to examine the clinicopathological contribution of α-Syn spread from the olfactory bulb. METHODS: We conducted pathological and behavioral analyses of human α-Syn bacterial artificial chromosome transgenic mice injected with α-Syn preformed fibrils into the bilateral olfactory bulb up to 10 months postinjection. RESULTS: α-Syn preformed fibril injections induced more widespread α-Syn pathology in the transgenic mice than that in wild-type mice. Severe α-Syn pathology in the transgenic mice injected with α-Syn preformed fibrils was initially observed along the olfactory pathway and later in the brain regions that are included in the limbic system and have connections with it. The α-Syn pathology was accompanied by regional atrophy, neuron loss, reactive astrogliosis, and microglial activation, which were remarkable in the hippocampus. Behavioral analyses revealed hyposmia, followed by anxiety-like behavior and memory impairment, but not motor dysfunction, depression-like behavior, or circadian rhythm disturbance. CONCLUSION: Our data suggest that α-Syn spread from the olfactory bulb mainly affects the olfactory pathway and limbic system as well as its related regions, leading to the development of hyposmia, anxiety, and memory loss in PD. © 2021 International Parkinson and Movement Disorder Society.

    DOI: 10.1002/mds.28512

    PubMed

    その他URL: https://onlinelibrary.wiley.com/doi/full-xml/10.1002/mds.28512

  • Distinct characteristics of limbic-predominant age-related TDP-43 encephalopathy in Lewy body disease 査読 国際共著

    Uemura, Maiko T and Robinson, John L and Cousins, Katheryn AQ and Tropea, Thomas F and Kargilis, Daniel C and McBride, Jennifer D and Suh, EunRan and Xie, Sharon X and Xu, Yan and Porta, Sílvia and Uemura, Norihito and Deerlin, Vivianna M and Wolk, David A and Irwin, David J and Brunden, Kurt R and Lee, Virginia and Lee, Edward B and Trojanowski, John Q

    Acta Neuropathologica   1 - 1   2021年( ISSN:0001-6322

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    担当区分:筆頭著者, 責任著者   掲載種別:研究論文(学術雑誌)   共著区分:共著   国際・国内誌:国際誌  

    Limbic-predominant age-related TDP-43 encephalopathy (LATE) is characterized by the accumulation of TAR-DNA-binding protein 43 (TDP-43) aggregates in older adults. LATE coexists with Lewy body disease (LBD) as well as other neuropathological changes including Alzheimer’s disease (AD). We aimed to identify the pathological, clinical, and genetic characteristics of LATE in LBD (LATE-LBD) by comparing it with LATE in AD (LATE-AD), LATE with mixed pathology of LBD and AD (LATE-LBD + AD), and LATE alone (Pure LATE). We analyzed four cohorts of autopsy-confirmed LBD (n = 313), AD (n = 282), LBD + AD (n = 355), and aging (n = 111). We assessed the association of LATE with patient profiles including LBD subtype and AD neuropathologic change (ADNC). We studied the morphological and distributional differences between LATE-LBD and LATE-AD. By frequency analysis, we staged LATE-LBD and examined the association with cognitive impairment and genetic risk factors. Demographic analysis showed LATE associated with age in all four cohorts and the frequency of LATE was the highest in LBD + AD followed by AD, LBD, and Aging. LBD subtype and ADNC associated with LATE in LBD or AD but not in LBD + AD. Pathological analysis revealed that the hippocampal distribution of LATE was different between LATE-LBD and LATE-AD: neuronal cytoplasmic inclusions were more frequent in cornu ammonis 3 (CA3) in LATE-LBD compared to LATE-AD and abundant fine neurites composed of C-terminal truncated TDP-43 were found mainly in CA2 to subiculum in LATE-LBD, which were not as numerous in LATE-AD. Some of these fine neurites colocalized with phosphorylated α-synuclein. LATE-LBD staging showed LATE neuropathological changes spread in the dentate gyrus and brainstem earlier than in LATE-AD. The presence and prevalence of LATE in LBD associated with cognitive impairment independent of either LBD subtype or ADNC; LATE-LBD stage also associated with the genetic risk variants of TMEM106B rs1990622 and GRN rs5848. These data highlight clinicopathological and genetic features of LATE-LBD.

    DOI: 10.1007/s00401-021-02383-3

  • α-Synuclein BAC transgenic mice exhibit RBD-like behaviour and hyposmia: a prodromal Parkinson's disease model. 査読 国際共著

    Taguchi, Tomoyuki and Ikuno, Masashi and Hondo, Mari and Parajuli, Laxmi Kumar and Taguchi, Katsutoshi and Ueda, Jun and Sawamura, Masanori and Okuda, Shinya and Nakanishi, Etsuro and Hara, Junko and Uemura, Norihito and Hatanaka, Yusuke and Ayaki, Takashi and Matsuzawa, Shuichi and Tanaka, Masaki and El-Agnaf, Omar M A and Koike, Masato and Yanagisawa, Masashi and Uemura, Maiko T and Yamakado, Hodaka and Takahashi, Ryosuke

    Brain : a journal of neurology   143 ( 1 )   249 - 249   2020年( ISSN:0006-8950

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    担当区分:責任著者   掲載種別:研究論文(学術雑誌)   共著区分:共著   国際・国内誌:国際誌  

    Parkinson's disease is one of the most common movement disorders and is characterized by dopaminergic cell loss and the accumulation of pathological α-synuclein, but its precise pathogenetic mechanisms remain elusive. To develop disease-modifying therapies for Parkinson's disease, an animal model that recapitulates the pathology and symptoms of the disease, especially in the prodromal stage, is indispensable. As subjects with α-synuclein gene (SNCA) multiplication as well as point mutations develop familial Parkinson's disease and a genome-wide association study in Parkinson's disease has identified SNCA as a risk gene for Parkinson's disease, the increased expression of α-synuclein is closely associated with the aetiology of Parkinson's disease. In this study we generated bacterial artificial chromosome transgenic mice harbouring SNCA and its gene expression regulatory regions in order to maintain the native expression pattern of α-synuclein. Furthermore, to enhance the pathological properties of α-synuclein, we inserted into SNCA an A53T mutation, two single-nucleotide polymorphisms identified in a genome-wide association study in Parkinson's disease and a Rep1 polymorphism, all of which are causal of familial Parkinson's disease or increase the risk of sporadic Parkinson's disease. These A53T SNCA bacterial artificial chromosome transgenic mice showed an expression pattern of human α-synuclein very similar to that of endogenous mouse α-synuclein. They expressed truncated, oligomeric and proteinase K-resistant phosphorylated forms of α-synuclein in the regions that are specifically affected in Parkinson's disease and/or dementia with Lewy bodies, including the olfactory bulb, cerebral cortex, striatum and substantia nigra. Surprisingly, these mice exhibited rapid eye movement (REM) sleep without atonia, which is a key feature of REM sleep behaviour disorder, at as early as 5 months of age. Consistent with this observation, the REM sleep-regulating neuronal populations in the lower brainstem, including the sublaterodorsal tegmental nucleus, nuclei in the ventromedial medullary reticular formation and the pedunculopontine nuclei, expressed phosphorylated α-synuclein. In addition, they also showed hyposmia at 9 months of age, which is consistent with the significant accumulation of phosphorylated α-synuclein in the olfactory bulb. The dopaminergic neurons in the substantia nigra pars compacta degenerated, and their number was decreased in an age-dependent manner by up to 17.1\% at 18 months of age compared to wild-type, although the mice did not show any related locomotor dysfunction. In conclusion, we created a novel mouse model of prodromal Parkinson's disease that showed RBD-like behaviour and hyposmia without motor symptoms.

    DOI: 10.1093/brain/awz380

    PubMed

  • Limited spread of pathology within the brainstem of α-synuclein BAC transgenic mice inoculated with preformed fibrils into the gastrointestinal tract. 査読 国際共著

    Uemura, Norihito and Yagi, Hisashi and Uemura, Maiko T and Yamakado, Hodaka and Takahashi, Ryosuke

    Neuroscience letters   716   134651 - 134651   2020年( ISSN:0304-3940

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    掲載種別:研究論文(学術雑誌)   共著区分:共著   国際・国内誌:国際誌  

    Parkinson's disease (PD) is pathologically characterized by intraneuronal α-synuclein (α-Syn) aggregates called Lewy bodies (LBs) as well as the loss of dopaminergic neurons in the substantia nigra pars compacta (SNpc). On the basis of autopsy studies, Braak et al. hypothesized that Lewy pathology initially occurs in the enteric nervous system, subsequently spreading to the dorsal motor nucleus of the vagus nerve (dmX) and then ascending in the brainstem to the SNpc. However, this hypothetical progression lacks adequate experimental evidence. We previously reported that inoculation of α-Syn preformed fibrils (PFFs) into the gastric wall of wild-type (WT) mice induced LB-like α-Syn aggregates in the dmX via the vagus nerve. However, α-Syn pathology did not spread beyond the dmX up to 12 months postinoculation. In the present study, we inoculated α-Syn PFFs into the gastric wall of bacterial artificial chromosome (BAC) transgenic mice harboring the human α-Syn gene with an A53 T mutation and analyzed the pathology. The transgenic mice had ∼1.5-fold overexpression of α-Syn in the brains and ∼6-fold overexpression of α-Syn in the stomach compared with WT mice. After inoculation of α-Syn PFFs, the transgenic mice developed a higher number of phosphorylated α-Syn (p-α-Syn)-positive neurons in the dmX compared with similarly inoculated WT mice. However, the number of p-α-Syn-positive neurons in the dmX decreased over time, and α-Syn pathology was not observed in other brain regions except in the ambiguous nucleus up to 8 months postinoculation. Taken together, BAC transgenic expression of α-Syn facilitated induction of α-Syn pathology in the brainstem, but not subsequent caudo-rostral spread in accordance with Braak's hypothesis.

    DOI: 10.1016/j.neulet.2019.134651

    PubMed

  • Cell-to-Cell Transmission of Tau and α-Synuclein. 査読 国際共著

    Uemura, Norihito and Uemura, Maiko T and Luk, Kelvin C and Lee, Virginia M-Y and Trojanowski, John Q

    Trends in molecular medicine   26   936 - 936   2020年( ISSN:1471-4914

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    掲載種別:研究論文(学術雑誌)   共著区分:共著   国際・国内誌:国際誌  

    The stereotypical spread of pathological protein inclusions and clinicopathological heterogeneity are well described in neurodegenerative diseases. Accumulating evidence suggests that the former can be attributed to consecutive cell-to-cell transmission of pathological proteins between anatomically connected brain regions, while the latter has been hypothesized to result from the spread of conformationally distinct pathological protein aggregates, or strains. These emerging concepts have dramatically changed our understanding of neurodegenerative diseases. In this review, we first summarize the background and recent findings underpinning these concepts with a focus on two major pathological proteins: tau and α-synuclein. We then discuss their clinical implications for tauopathies and synucleinopathies and propose a working hypothesis for future research.

    DOI: 10.1016/j.molmed.2020.03.012

  • Brain Microvascular Pericytes in Vascular Cognitive Impairment and Dementia. 査読 国際共著

    Uemura, Maiko T and Maki, Takakuni and Ihara, Masafumi and Lee, Virginia M Y and Trojanowski, John Q

    Frontiers in aging neuroscience   12   80 - 80   2020年( ISSN:1663-4365

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    担当区分:筆頭著者, 責任著者   掲載種別:研究論文(学術雑誌)   共著区分:共著   国際・国内誌:国際誌  

    Pericytes are unique, multi-functional mural cells localized at the abluminal side of the perivascular space in microvessels. Originally discovered in 19th century, pericytes had drawn less attention until decades ago mainly due to lack of specific markers. Recently, however, a growing body of evidence has revealed that pericytes play various important roles: development and maintenance of blood-brain barrier (BBB), regulation of the neurovascular system (e.g., vascular stability, vessel formation, cerebral blood flow, etc.), trafficking of inflammatory cells, clearance of toxic waste products from the brain, and acquisition of stem cell-like properties. In the neurovascular unit, pericytes perform these functions through coordinated crosstalk with neighboring cells including endothelial, glial, and neuronal cells. Dysfunction of pericytes contribute to a wide variety of diseases that lead to cognitive impairments such as cerebral small vessel disease (SVD), acute stroke, Alzheimer's disease (AD), and other neurological disorders. For instance, in SVDs, pericyte degeneration leads to microvessel instability and demyelination while in stroke, pericyte constriction after ischemia causes a no-reflow phenomenon in brain capillaries. In AD, which shares some common risk factors with vascular dementia, reduction in pericyte coverage and subsequent microvascular impairments are observed in association with white matter attenuation and contribute to impaired cognition. Pericyte loss causes BBB-breakdown, which stagnates amyloid β clearance and the leakage of neurotoxic molecules into the brain parenchyma. In this review, we first summarize the characteristics of brain microvessel pericytes, and their roles in the central nervous system. Then, we focus on how dysfunctional pericytes contribute to the pathogenesis of vascular cognitive impairment including cerebral 'small vessel' and 'large vessel' diseases, as well as AD. Finally, we discuss therapeutic implications for these disorders by targeting pericytes.

    DOI: 10.3389/fnagi.2020.00080

  • Correction to: Inoculation of α-synuclein preformed fibrils into the mouse gastrointestinal tract induces Lewy body-like aggregates in the brainstem via the vagus nerve. 査読

    Uemura, Norihito and Yagi, Hisashi and Uemura, Maiko T and Hatanaka, Yusuke and Yamakado, Hodaka and Takahashi, Ryosuke

    Molecular neurodegeneration   14 ( 1 )   31 - 31   2019年

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    掲載種別:研究論文(学術雑誌)   共著区分:共著   国際・国内誌:国際誌  

    The original article [1] mistakenly omitted essential information regarding Fig. 1c; thus, the authors would like to note that Fig. 1c describes transmission electron microscopy of α-Syn PFFs before sonication.

    DOI: 10.1186/s13024-019-0331-7

  • Slow Progressive Accumulation of Oligodendroglial Alpha-Synuclein (α-Syn) Pathology in Synthetic α-Syn Fibril-Induced Mouse Models of Synucleinopathy. 査読 国際共著

    Uemura, Norihito and Uemura, Maiko T and Lo, Angela and Bassil, Fares and Zhang, Bin and Luk, Kelvin C and Lee, Virginia M-Y and Takahashi, Ryosuke and Trojanowski, John Q

    Journal of neuropathology and experimental neurology   78 ( 10 )   877 - 877   2019年( ISSN:0022-3069

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    掲載種別:研究論文(学術雑誌)   共著区分:共著   国際・国内誌:国際誌  

    Synucleinopathies are composed of Parkinson disease (PD), dementia with Lewy bodies (DLB), and multiple system atrophy (MSA). Alpha-synuclein (α-Syn) forms aggregates mainly in neurons in PD and DLB, while oligodendroglial α-Syn aggregates are characteristic of MSA. Recent studies have demonstrated that injections of synthetic α-Syn preformed fibrils (PFFs) into the brains of wild-type (WT) animals induce intraneuronal α-Syn aggregates and the subsequent interneuronal transmission of α-Syn aggregates. However, injections of α-Syn PFFs or even brain lysates of patients with MSA have not been reported to induce oligodendroglial α-Syn aggregates, raising questions about the pathogenesis of oligodendroglial α-Syn aggregates in MSA. Here, we report that WT mice injected with mouse α-Syn (m-α-Syn) PFFs develop neuronal α-Syn pathology after short postinjection (PI) intervals on the scale of weeks, while oligodendroglial α-Syn pathology emerges after longer PI intervals of several months. Abundant oligodendroglial α-Syn pathology in white matter at later time points is reminiscent of MSA. Furthermore, comparison between young and aged mice injected with m-α-Syn PFFs revealed that PI intervals rather than aging correlate with oligodendroglial α-Syn aggregation. These results provide novel insights into the pathological mechanisms of oligodendroglial α-Syn aggregation in MSA.

    DOI: 10.1093/jnen/nlz070

    PubMed

  • Prolonged sensory impairment in the perineal region after painless delivery through lumbar epidural anesthesia 査読

    Uemura, Maiko T and Mezaki, Takahiro and Shibasaki, Hiroshi and Takahashi, Ryosuke

    Neurology and Clinical Neuroscience   7 ( 1 )   43 - 43   2018年( ISSN:2049-4173

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    担当区分:筆頭著者, 責任著者   掲載種別:研究論文(学術雑誌)   共著区分:共著   国際・国内誌:国際誌  

    In the painless delivery, the neuronal injury caused by regional anesthesia sometimes causes diagnostic difficulty because of the common findings with lumbosacral injury due to vaginal delivery. We herein report a 36‐year‐old woman presenting with long‐standing cauda equina syndrome due to neurotoxicity of regional anesthetic. Neurological examination revealed the almost symmetrical, heterogeneous sensory deficit mainly in the perineal region, hypoactive quadriceps femoris reflex, decreased anal sphincter reflex, and dermographia. The correct diagnosis is important to support the quality of life of patients.

    DOI: 10.1111/ncn3.12245

    その他URL: https://onlinelibrary.wiley.com/doi/full-xml/10.1111/ncn3.12245

  • Inoculation of α-synuclein preformed fibrils into the mouse gastrointestinal tract induces Lewy body-like aggregates in the brainstem via the vagus nerve. 査読

    Uemura, Norihito and Yagi, Hisashi and Uemura, Maiko T and Hatanaka, Yusuke and Yamakado, Hodaka and Takahashi, Ryosuke

    Molecular neurodegeneration   13 ( 1 )   21 - 21   2018年( ISSN:1750-1326

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    掲載種別:研究論文(学術雑誌)   共著区分:共著   国際・国内誌:国際誌  

    BACKGROUND: Intraneuronal α-synuclein (α-Syn) aggregates known as Lewy bodies (LBs) and the loss of dopaminergic neurons in the substantia nigra pars compacta (SNpc) are the pathological hallmarks of Parkinson's disease (PD). Braak's hypothesis based on autopsy studies suggests that Lewy pathology initially occurs in the enteric nervous system (ENS) and then travels retrogradely to the dorsal motor nucleus of the vagus nerve (dmX), proceeding from there in a caudo-rostral direction. Recent evidence that α-Syn aggregates propagate between interconnected neurons supports this hypothesis. However, there is no direct evidence demonstrating this transmission from the ENS to the dmX and then to the SNpc. METHODS: We inoculated α-Syn preformed fibrils (PFFs) or phosphate-buffered saline (PBS) into the mouse gastric wall and analyzed the progression of the pathology. RESULTS: The mice inoculated with α-Syn PFFs, but not with PBS, developed phosphorylated α-Syn (p-α-Syn)-positive LB-like aggregates in the dmX at 45 days postinoculation. This aggregate formation was completely abolished when vagotomy was performed prior to inoculation of α-Syn PFFs, suggesting that the aggregates in the dmX were retrogradely induced via the vagus nerve. Unexpectedly, the number of neurons containing p-α-Syn-positive aggregates in the dmX decreased over time, and no further caudo-rostral propagation beyond the dmX was observed up to 12 months postinoculation. P-α-Syn-positive aggregates were also present in the myenteric plexus at 12 months postinoculation. However, unlike in patients with PD, there was no cell-type specificity in neurons containing those aggregates in this model. CONCLUSIONS: These results indicate that α-Syn PFF inoculation into the mouse gastrointestinal tract can induce α-Syn pathology resembling that of very early PD, but other factors are apparently required if further progression of PD pathology is to be replicated in this animal model.

    DOI: 10.1186/s13024-018-0257-5

    PubMed

  • Zonisamide inhibits monoamine oxidase and enhances motor performance and social activity. 査読

    Uemura, Maiko T and Asano, Takeshi and Hikawa, Rie and Yamakado, Hodaka and Takahashi, Ryosuke

    Neuroscience research   124   25 - 25   2017年( ISSN:0168-0102

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    担当区分:筆頭著者   掲載種別:研究論文(学術雑誌)   共著区分:共著   国際・国内誌:国際誌  

    Zonisamide (ZNS) is an effective drug for not only motor symptoms but also non-motor symptoms in Parkinson's disease. However, the actions of ZNS as an anti-Parkinsonian drug are not well understood. To clarify the actions of ZNS in vivo, we administered ZNS to mice and examined the effects on neurotransmitter metabolism and behaviors, focusing on motor and non-motor symptoms. Administration of ZNS decreased dopamine (DA) turnover in various brain regions, including the striatum. In behavioral tests, ZNS enhanced locomotor activity and novelty seeking in the open field test, light-dark transition test, and the social interaction test. Consistent with these results of DA metabolism in ZNS-treated mice, monoamine oxidase activity was significantly inhibited by ZNS in primary neurons and astrocytes. Collectively, these data suggest that ZNS inhibits monoamine oxidase activity and decreases DA turnover, which increases locomotor activity and novelty seeking in mice. ZNS is potentially useful to improve not only motor symptoms but also neuropsychiatric non-motor symptoms such as apathy in PD.

    DOI: 10.1016/j.neures.2017.05.008

    PubMed

  • Pericyte-derived bone morphogenetic protein 4 underlies white matter damage after chronic hypoperfusion. 査読 国際共著

    Uemura, Maiko T and Ihara, Masafumi and Maki, Takakuni and Nakagomi, Takayuki and Kaji, Seiji and Uemura, Kengo and Matsuyama, Tomohiro and Kalaria, Raj N and Kinoshita, Ayae and Takahashi, Ryosuke

    Brain pathology (Zurich, Switzerland)   28 ( 4 )   521 - 535   2017年( ISSN:1750-3639

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    担当区分:筆頭著者   掲載種別:研究論文(学術雑誌)   共著区分:共著   国際・国内誌:国際誌  

    Subcortical small vessel disease (SVD) is characterized by white matter damage resulting from arteriolosclerosis and chronic hypoperfusion. Transforming growth factor beta 1 (TGFB1) is dysregulated in the hereditary SVD, CARASIL (cerebral autosomal recessive arteriopathy with subcortical infarcts and leukoencephalopathy). However, very little is known about the role of the largest group in the TGFB superfamily - the bone morphogenetic proteins (BMPs) - in SVD pathogenesis. The aim of this study was to characterize signaling abnormalities of BMPs in sporadic SVD. We examined immunostaining of TGFB1 and BMPs (BMP2/BMP4/BMP6/BMP7/BMP9) in a total of 19 post-mortem human brain samples as follows: 7 SVD patients (4 males, 76-90 years old); 6 Alzheimer's disease (AD) patients (2 males, 67-93 years old) and 6 age-matched disease controls (3 males, 68-78 years old). We subsequently investigated the effects of oxygen-glucose deprivation and BMP4 addition on cultured cells. Furthermore, adult mice were subjected to chronic cerebral hypoperfusion using bilateral common carotid artery stenosis, followed by continuous intracerebroventricular infusion of the BMP antagonist, noggin. In the SVD cases, BMP4 was highly expressed in white matter pericytes. Oxygen-glucose deprivation induced BMP4 expression in cultured pericytes in vitro. Recombinant BMP4 increased the number of cultured endothelial cells and pericytes and converted oligodendrocyte precursor cells into astrocytes. Chronic cerebral hypoperfusion in vivo also upregulated BMP4 with concomitant white matter astrogliogenesis and reduced oligodendrocyte lineage cells, both of which were suppressed by intracerebroventricular noggin infusion. Our findings suggest ischemic white matter damage evolves in parallel with BMP4 upregulation in pericytes. BMP4 promotes angiogenesis, but induces astrogliogenesis at the expense of oligodendrocyte precursor cell proliferation and maturation, thereby aggravating white matter damage. This may explain white matter vulnerability to chronic hypoperfusion. The regulation of BMP4 signaling is a potential therapeutic strategy for treating SVD.

    DOI: 10.1111/bpa.12523

    PubMed

  • High Fat Diet Enhances β-Site Cleavage of Amyloid Precursor Protein (APP) via Promoting β-Site APP Cleaving Enzyme 1/Adaptor Protein 2/Clathrin Complex Formation 査読

    Maesako, Masato and Uemura, Maiko and Tashiro, Yoshitaka and Sasaki, Kazuki and Watanabe, Kiwamu and Noda, Yasuha and Ueda, Karin and Asada-Utsugi, Megumi and Kubota, Masakazu and Okawa, Katsuya and Ihara, Masafumi and Shimohama, Shun and Uemura, Kengo and Kinoshita, Ayae

    PLOS ONE   10 ( 9 )   e0131199 - e0131199   2015年( ISSN:1932-6203

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    掲載種別:研究論文(学術雑誌)   共著区分:共著   国際・国内誌:国際誌  

    Obesity and type 2 diabetes are risk factors of Alzheimer’s disease (AD). We reported that a high fat diet (HFD) promotes amyloid precursor protein (APP) cleavage by β-site APP cleaving enzyme 1 (BACE1) without increasing BACE1 levels in APP transgenic mice. However, the detailed mechanism had remained unclear. Here we demonstrate that HFD promotes BACE1/Adaptor protein-2 (AP-2)/clathrin complex formation by increasing AP-2 levels in APP transgenic mice. In Swedish APP overexpressing Chinese hamster ovary (CHO) cells as well as in SH-SY5Y cells, overexpression of AP-2 promoted the formation of BACE1/AP-2/clathrin complex, increasing the level of the soluble form of APP β (sAPPβ). On the other hand, mutant D495R BACE1, which inhibits formation of this trimeric complex, was shown to decrease the level of sAPPβ. Overexpression of AP-2 promoted the internalization of BACE1 from the cell surface, thus reducing the cell surface BACE1 level. As such, we concluded that HFD may induce the formation of the BACE1/AP-2/clathrin complex, which is followed by its transport of BACE1 from the cell surface to the intracellular compartments. These events might be associated with the enhancement of β-site cleavage of APP in APP transgenic mice. Here we present evidence that HFD, by regulation of subcellular trafficking of BACE1, promotes APP cleavage.

    DOI: 10.1371/journal.pone.0131199

    PubMed

  • Potential interactions between pericytes and oligodendrocyte precursor cells in perivascular regions of cerebral white matter. 査読 国際共著

    Maki, Takakuni and Maeda, Mitsuyo and Uemura, Maiko and Lo, Evan K and Terasaki, Yasukazu and Liang, Anna C and Shindo, Akihiro and Choi, Yoon Kyung and Taguchi, Akihiko and Matsuyama, Tomohiro and Takahashi, Ryosuke and Ihara, Masafumi and Arai, Ken

    Neuroscience letters   597 ( 29 )   164 - 164   2015年( ISSN:0304-3940

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    掲載種別:研究論文(学術雑誌)   共著区分:共著   国際・国内誌:国際誌  

    Pericytes are embedded within basal lamina and play multiple roles in the perivascular niche in brain. Recently, oligodendrocyte precursor cells (OPCs) have also been reported to associate with cerebral endothelium. Is it possible that within this gliovascular locus, there may also exist potential spatial and functional interactions between pericytes and OPCs? Here, we demonstrated that in the perivascular region of cerebral white matter, pericytes and OPCs may attach and support each other. Immunostaining showed that pericytes and OPCs are localized in close contact with each other in mouse white matter at postnatal days 0, 60 and 240. Electron microscopic analysis confirmed that pericytes attached to OPCs via basal lamina in the perivascular region. The close proximity between these two cell types was also observed in postmortem human brains. Functional interaction between pericytes and OPCs was assessed by in vitro media transfer experiments. When OPC cultures were treated with pericyte-conditioned media, OPC number increased. Similarly, pericyte number increased when pericytes were maintained in OPC-conditioned media. Taken together, our data suggest a potential anatomical and functional interaction between pericytes and OPCs in cerebral white matter.

    DOI: 10.1016/j.neulet.2015.04.047

    PubMed

  • Copper enhances APP dimerization and promotes Aβ production. 査読

    Noda, Yasuha and Asada, Megumi and Kubota, Masakazu and Maesako, Masato and Watanabe, Kiwamu and Uemura, Maiko and Kihara, Takeshi and Shimohama, Shun and Takahashi, Ryosuke and Kinoshita, Ayae and Uemura, Kengo

    Neuroscience letters   547   10 - 10   2013年( ISSN:0304-3940

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    掲載種別:研究論文(学術雑誌)   共著区分:共著   国際・国内誌:国際誌  

    Alzheimer's disease (AD) is characterized by the deposition of amyloid-β (Aβ) plaques, senile plaque. The Aβ peptide is cleaved from amyloid precursor protein (APP) by β-secretase and γ-secretase. Until now, many literatures have documented that the high concentration of copper is present in Aβ plaques and enhances aggregation of. The APP copper binding domain (CuBD) is located in the N-terminal next to the growth factor-like domain that gets involved in APP homodimerization. Importantly, dimerization of APP has profound effect on Aβ production. We investigated whether copper alters the state of APP dimerization and how it affects APP metabolism. Here, we demonstrate that copper enhanced APP dimerization and increased extracellular release of Aβ. Moreover, copper chelator, D-penicillamine, suppressed APP dimerization and decreased extracellular release of Aβ. These results suggest that the action of copper may be profoundly associated with the pathway of Aβ production in AD pathogenesis.

    DOI: 10.1016/j.neulet.2013.04.057

    PubMed

  • Continuation of exercise is necessary to inhibit high fat diet-induced β-amyloid deposition and memory deficit in amyloid precursor protein transgenic mice. 査読

    Maesako, Masato and Uemura, Kengo and Iwata, Ayana and Kubota, Masakazu and Watanabe, Kiwamu and Uemura, Maiko and Noda, Yasuha and Asada-Utsugi, Megumi and Kihara, Takeshi and Takahashi, Ryosuke and Shimohama, Shun and Kinoshita, Ayae

    PloS one   8 ( 9 )   e72796 - e72796   2013年

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    掲載種別:研究論文(学術雑誌)   共著区分:共著   国際・国内誌:国際誌  

    High fat diet (HFD) is prevalent in many modern societies and HFD-induced metabolic condition is a growing concern worldwide. It has been previously reported that HFD clearly worsens cognitive function in amyloid precursor protein (APP) transgenic mice. On the other hand, we have demonstrated that voluntary exercise in an enriched environment is an effective intervention to rescue HFD-induced β-amyloid (Aβ) deposition and memory deficit. However, it had been unclear whether consumption of HFD after exercising abolished the beneficial effect of exercise on the inhibition of Alzheimer's disease (AD) pathology. To examine this question, we exposed wild type (WT) and APP mice fed with HFD to exercise conditions at different time periods. In our previous experiment, we gave HFD to mice for 20 weeks and subjected them to exercise during weeks 10-20. In the present study, mice were subjected to exercise conditions during weeks 0-10 or weeks 5-15 while being on HFD. Interestingly, we found that the effect of exercise during weeks 0-10 or weeks 5-15 on memory function was not abolished in WT mice even if they kept having HFD after finishing exercise. However, in APP transgenic mice, HFD clearly disrupted the effect of exercise during weeks 0-10 or weeks 5-15 on memory function. Importantly, we observed that the level of Aβ oligomer was significantly elevated in the APP mice that exercised during weeks 0-10: this might have been caused by the up-regulation of Aβ production. These results provide solid evidence that continuation of exercise is necessary to rescue HFD-induced aggravation of cognitive decline in the pathological setting of AD.

    DOI: 10.1371/journal.pone.0072796

    PubMed

  • Exercise is more effective than diet control in preventing high fat diet-induced β-amyloid deposition and memory deficit in amyloid precursor protein transgenic mice. 査読

    Maesako, Masato and Uemura, Kengo and Kubota, Masakazu and Kuzuya, Akira and Sasaki, Kazuki and Hayashida, Naoko and Asada-Utsugi, Megumi and Watanabe, Kiwamu and Uemura, Maiko and Kihara, Takeshi and Takahashi, Ryosuke and Shimohama, Shun and Kinoshita, Ayae

    The Journal of biological chemistry   287 ( 27 )   23024 - 23024   2012年( ISSN:0021-9258

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    掲載種別:研究論文(学術雑誌)   共著区分:共著   国際・国内誌:国際誌  

    Accumulating evidence suggests that some dietary patterns, specifically high fat diet (HFD), increase the risk of developing sporadic Alzheimer disease (AD). Thus, interventions targeting HFD-induced metabolic dysfunctions may be effective in preventing the development of AD. We previously demonstrated that amyloid precursor protein (APP)-overexpressing transgenic mice fed HFD showed worsening of cognitive function when compared with control APP mice on normal diet. Moreover, we reported that voluntary exercise ameliorates HFD-induced memory impairment and β-amyloid (Aβ) deposition. In the present study, we conducted diet control to ameliorate the metabolic abnormality caused by HFD on APP transgenic mice and compared the effect of diet control on cognitive function with that of voluntary exercise as well as that of combined (diet control plus exercise) treatment. Surprisingly, we found that exercise was more effective than diet control, although both exercise and diet control ameliorated HFD-induced memory deficit and Aβ deposition. The production of Aβ was not different between the exercise- and the diet control-treated mice. On the other hand, exercise specifically strengthened the activity of neprilysin, the Aβ-degrading enzyme, the level of which was significantly correlated with that of deposited Aβ in our mice. Notably, the effect of the combination treatment (exercise and diet control) on memory and amyloid pathology was not significantly different from that of exercise alone. These studies provide solid evidence that exercise is a useful intervention to rescue HFD-induced aggravation of cognitive decline in transgenic model mice of AD.

    DOI: 10.1074/jbc.m112.367011

    PubMed

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    上村 麻衣子

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  • Correction to: Inoculation of α-synuclein preformed fibrils into the mouse gastrointestinal tract induces Lewy body-like aggregates in the brainstem via the vagus nerve (Mol Neurodegener DOI: 10.1186/s13024-018-0257-5)

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    日本神経学会学術大会プログラム・抄録集   56th   466   2015年01月

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    日本神経学会学術大会プログラム・抄録集   55th   461   2014年01月

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    臨床神経学   50 ( 7 )   512 - 512   2010年07月

  • 抗N‐methyl‐D‐aspartate受容体(NMDA‐R)抗体陽性脳炎における呼吸異常について

    戸田麻衣子,大崎裕亮,後藤和也,佐藤啓,南波明子,桝田宏彰,佐藤眞也,上村紀仁,丹野雄平,森仁,北口浩史,進藤克郎,山尾房枝,大井長和,DALMAU Joseph

    臨床神経学   50 ( 7 )   507 - 507   2010年07月

  • 多発性神経線維腫を合併した固定性内斜視の一例

    丹野雄平,佐藤眞也,後藤和也,大崎裕亮,佐藤啓,南波明子,桝田宏彰,戸田麻衣子,上村紀仁,森仁,北口浩史,進藤克郎,山尾房枝,大井長和

    臨床神経学   50 ( 7 )   501 - 501   2010年07月

  • 眼咽頭型筋ジストロフィーの一症例

    上村 紀仁,大崎 裕亮,後藤 和也,佐藤 啓,南波 明子,桝田 宏彰,佐藤 眞也,丹野 雄平,戸田 麻衣子,正崎 泰作,森 仁,北口 浩史,進藤 克郎,山尾 房枝,大井 長和,南 成祐,西野 一三

    臨床神経学   50 ( 5 )   348 - 348   2010年05月

  • バンコマイシン(VCM)の髄注療法が奏効したMRSA髄膜脳炎の1症例

    後藤和也,南波明子,大崎裕亮,桝田宏彰,佐藤啓,佐藤眞也,上村紀仁,丹野雄平,戸田麻衣子,森仁,北口浩史,進藤克郎,山尾房枝,大井長和

    臨床神経学   50 ( 5 )   358 - 358   2010年05月

  • 側頭葉てんかんを初発徴候としたCADASILの一例

    大崎裕亮,後藤和也,南波明子,佐藤啓,桝田宏彰,佐藤眞也,上村紀仁,戸田麻衣子,丹野雄平,森仁,北口浩史,進藤克郎,山尾房枝,大井長和,西郷和洋,水野敏樹

    臨床神経学   50 ( 5 )   358 - 358   2010年05月

  • 頸髄梗塞を認めたシェーグレン症候群の一例

    丹野雄平,後藤和也,大崎裕亮,佐藤啓,南波明子,桝田宏彰,佐藤眞也,戸田麻衣子,上村紀仁,正崎泰作,森仁,北口浩史,進藤克郎,山尾房枝,大井長和

    臨床神経学   50 ( 5 )   346 - 346   2010年05月

  • 橋本脳症の治療中に後天性血友病を発症した1症例

    正崎泰作,上村紀仁,丹野雄平,戸田麻衣子,片山尚子,服部頼都,大田健太郎,北口浩史,進藤克郎,山尾房枝,大井長和,大西達人,上田恭典

    臨床神経学   50 ( 4 )   272 - 272   2010年04月

  • 低カリウム性筋症を示したGitelman症候群の1症例

    戸田麻衣子,佐藤眞也,上村紀仁,丹野雄平,片山尚子,正崎泰作,服部頼都,大田健太郎,北口浩史,進藤克郎,山尾房枝,大井長和,野津寛大

    倉敷中央病院年報   72   59 - 63   2010年03月

  • CNS‐SLEによる両側基底核梗塞の一例

    上村紀仁,佐藤眞也,丹野雄平,戸田麻衣子,片山尚子,正崎泰作,宮城愛,服部頼都,大田健太郎,北口浩史,進藤克郎,山尾房枝,大井長和

    臨床神経学   50 ( 3 )   180 - 180   2010年03月

  • 難治性てんかん重積を呈した非ヘルペス性辺縁系脳炎の1例

    宮城愛,佐藤眞也,上村紀仁,丹野雄平,戸田麻衣子,片山尚子,正崎泰作,服部頼都,森仁,大田健太郎,北口浩史,進藤克郎,山尾房枝,大井長和

    臨床神経学   50 ( 3 )   184 - 184   2010年03月

  • 磁気刺激で幻視の抑制を認めた1症例

    戸田麻衣子,大崎裕亮,後藤和也,佐藤啓,南波明子,桝田宏彰,佐藤眞也,上村紀仁,丹野雄平,森仁,北口浩史,進藤克郎,山尾房枝,大井長和

    臨床神経学   50 ( 3 )   194 - 194   2010年03月

  • Gradenigo症候群を示したWegener肉芽腫症の1症例

    佐藤眞也,丹野雄平,戸田麻衣子,上村紀仁,森仁,北口浩史,進藤克郎,山尾房枝,大井長和,中澤隆,横田敏彦

    臨床神経学   50 ( 3 )   198   2010年03月

  • インフルエンザワクチン接種後に急性散在性脳脊髄炎(ADEM)をきたした1症例

    佐藤眞也,水野桂,丹野雄平,戸田麻衣子,上村紀仁,森仁,北口浩史,進藤克郎,山尾房枝,大井長和

    臨床神経学   50 ( 3 )   198   2010年03月

  • 明確な外傷の受傷歴の無い破傷風症例の臨床像について

    大崎裕亮,後藤和也,佐藤啓,南波明子,桝田宏彰,佐藤眞也,上村紀仁,上村麻衣子,丹野雄平,森仁,北口浩史,進藤克郎,山尾房枝,大井長和

    日本神経学会総会プログラム・抄録集   51st   387   2010年01月

  • 当院での卵円孔開存を伴った脳梗塞の臨床的検討

    北口浩史,南波明子,佐藤啓,大崎裕亮,桝田宏彰,後藤和也,佐藤眞也,丹野雄平,上村麻衣子,上村紀仁,森仁,進藤克郎,山尾房枝,大井長和

    日本神経学会総会プログラム・抄録集   51st   348   2010年01月

  • 道順障害の責任病巣はどこか?

    大井長和,後藤和也,大崎裕亮,桝田宏彰,南波明子,佐藤啓,佐藤眞也,上村紀仁,丹野雄平,上村麻衣子,森仁,北口浩史,進藤克郎,山尾房枝

    日本神経学会総会プログラム・抄録集   51st   273   2010年01月

  • 一過性全健忘における記憶障害時間と脳MRI所見の関係

    後藤和也,大崎裕亮,桝田宏彰,南波明子,佐藤啓,佐藤眞也,上村紀仁,上村麻衣子,丹野雄平,森仁,北口浩史,進藤克郎,山尾房枝,大井長和

    日本神経学会総会プログラム・抄録集   51st   249   2010年01月

  • てんかん重積状態(SE)に対する治療法の検討

    佐藤眞也,大崎裕亮,後藤和也,佐藤啓,桝田宏彰,南波明子,丹野雄平,上村麻衣子,上村紀仁,森仁,北口浩史,進藤克郎,山尾房枝,大井長和

    日本神経学会総会プログラム・抄録集   51st   391   2010年01月

  • 一側性中脳病変は両眼の垂直性眼球運動障害をきたすか?

    大井長和,佐藤眞也,大崎裕亮,後藤和也,佐藤啓,南波明子,枡田宏彰,丹野雄平,戸田麻衣子,上村紀仁,森仁,北口浩史,新藤克郎,山尾房枝

    神経眼科   26 ( 増補1 )   56 - 56   2009年11月

  • MRIで脊髄梗塞を認めたintravascular large B‐cell lymphomatosis(IVL)の1例

    桝田宏彰,大崎裕亮,後藤和也,南波明子,佐藤啓,佐藤眞也,上村紀仁,戸田麻衣子,丹野雄平,森仁,北口浩史,進藤克郎,山尾房枝,大井長和

    臨床神経学   49 ( 10 )   686 - 686   2009年10月

  • 痙攣で発症し陰性myoclonusを示Lた傍腫瘍性脳症疑いの一例

    上村紀仁,大崎裕亮,後藤和也,佐藤啓,南波明子,桝田宏彰,佐藤眞也,丹野雄平,戸田麻衣子,正崎泰作,森仁,北口浩史,進藤克郎,山尾房枝,大井長和,高橋幸利

    臨床神経学   49 ( 10 )   683 - 683   2009年10月

  • 上部頸髄と左延髄の梗塞を示した一症例

    佐藤眞也,丹野雄平,戸田麻衣子,上村紀仁,片山尚子,服部頼都,正崎泰作,大田健太郎,北口浩史,進藤克郎,山尾房枝,大井長和,河村陽一郎,吉田和道,山形専

    臨床神経学   49 ( 7 )   441 - 441   2009年07月

  • 発作性運動誘発性舞踏アテトーゼの一例

    上村紀仁,佐藤眞也,丹野雄平,戸田麻衣子,片山尚子,正崎泰作,服部頼都,森仁,大田健太郎,北口浩史,進藤克郎,山尾房枝,大井長和

    臨床神経学   49 ( 7 )   442 - 442   2009年07月

  • 四肢の筋力低下をきたしたGitelman症候群の一症例

    戸田麻衣子,佐藤眞也,上村紀仁,丹野雄平,片山尚子,正崎泰作,服部頼人,大田健太郎,北口浩史,進藤克郎,山尾房枝,大井長和

    臨床神経学   49 ( 5 )   294   2009年05月

  • 横断性脊髄障害を来たした出血性脊髄梗塞の1例

    正崎泰作,佐藤眞也,上村紀仁,丹野雄平,戸田麻衣子,片山尚子,服部頼都,森仁,大田健太郎,北口浩史,進藤克郎,山尾房枝,大井長和

    臨床神経学   49 ( 5 )   305 - 305   2009年05月

  • Mirror movementを認めた大脳皮質基底核変性症の一例

    上村紀仁,佐藤眞也,丹野雄平,戸田麻衣子,片山尚子,正崎泰作,服部頼都,森仁,大田健太郎,北口浩史,進藤克郎,山尾房枝,大井長和

    臨床神経学   49 ( 5 )   306 - 306   2009年05月

  • 大脳皮質基底核変性症(CBD)の手の運動の解析

    大井長和,上村紀仁,戸田麻衣子,北口造史,進藤克郎

    日本神経学会総会プログラム・抄録集   50th   224   2009年04月

  • 遺伝性海綿状血管腫の一家系

    大田健太郎,佐藤眞也,上村紀仁,戸田麻衣子,丹野雄平,片山尚子,宮城愛,服部頼都,正崎泰作,北口浩史,進藤克郎,山尾房枝,大井長和

    臨床神経学   49 ( 4 )   204 - 204   2009年04月

  • ビタミンB6の投与により血中CKが正常化したMcArdle病の1症例

    佐藤 眞也,丹野 雄平,戸田 麻衣子,上村 紀仁,片山 尚子,服部 頼都,正崎 泰作,大田 健太郎,北口 浩史,進藤 克郎,山尾 房枝,大井 長和,島田 典明,福島 正樹,西野 一三,福田 冬季子,杉江 秀夫

    臨床神経学   49 ( 4 )   208 - 208   2009年04月

  • 睡眠時無呼吸・低呼吸症候群患者の頭痛

    山尾房枝,佐藤眞也,上村紀仁,丹野雄平,戸田麻衣子,片山尚子,正崎泰作,服部頼都,大田健太郎,北口浩史,進藤克郎,大井長和

    日本神経学会総会プログラム・抄録集   50th ( 12 )   131 - 978   2009年04月

  • 特発性脊髄梗塞の自験10例の臨床的検討

    丹野雄平,佐藤眞也,戸田麻衣子,上村紀仁,片山尚子,服部頼都,正崎泰作,大田健太郎,北口浩史,進藤克郎,山尾房枝,大井長和

    日本神経学会総会プログラム・抄録集   50th   206   2009年04月

  • 成人発症Reye症候群に対する血漿交換療法の有効性の検討

    服部頼都,佐藤眞也,上村紀仁,丹野雄平,戸田麻衣子,片山尚子,正崎泰作,森仁,大田健太郎,北口浩史,進藤克郎,山尾房枝,大井長和

    日本神経学会総会プログラム・抄録集   50th   243   2009年04月

  • 難聴を伴うBickerstaff脳炎に認めた眼球運動障害について

    大井長和,上村紀仁,佐藤眞也,丹野雄平,戸田麻衣子,片山尚子,正崎泰作,服部頼都,森仁,大田健太郎,北口浩史,進藤克郎,山尾房枝,楠進

    神経眼科   25 ( 増補1 )   95 - 95   2008年10月

  • 異食症を示したPick病の1症例

    片山尚子,佐藤眞也,上村紀仁,丹野雄平,戸田麻衣子,正崎泰作,服部頼都,大田健太郎,北口浩史,進藤克郎,山尾房枝,大井長和

    臨床神経学   48 ( 10 )   775 - 775   2008年10月

  • 脳波で周期性同期性放電(PSD)を示した間歇型一酸化炭素中毒の1症例

    戸田麻衣子,佐藤眞也,上村紀仁,丹野雄平,片山尚子,正崎泰作,服部頼都,大田健太郎,北口浩史,進藤克郎,山尾房枝,大井長和

    臨床神経学   48 ( 10 )   773 - 773   2008年10月

  • 眼球運動障害と難聴を示したBickerstaff脳炎の一例

    上村紀仁,佐藤眞也,丹野雄平,戸田麻衣子,片山尚子,正崎泰作,宮城愛,服部頼都,森仁,大田健太郎,北口浩史,進藤克郎,山尾房枝,大井長和,楠進

    臨床神経学   48 ( 9 )   698 - 698   2008年09月

  • GQ1b抗体陽性を示したpharyngeal‐cervical‐brachial(PCB)variant of GBSの一症例

    丹野雄平,戸田麻衣子,上村紀仁,片山尚子,服部頼都,宮城愛,正崎泰作,森仁,大田健太郎,北口浩史,進藤克郎,山尾房枝,大井長和,楠進

    臨床神経学   48 ( 9 )   698 - 698   2008年09月

  • 成人発症のReye症候群と考えた一剖検例

    服部頼都,上村紀仁,丹野雄平,戸田麻衣子,片山尚子,正崎泰作,宮城愛,森仁,進藤克郎,大井長和,内野かおり,能登原憲司,山下茂樹

    臨床神経学   48 ( 8 )   612 - 612   2008年08月

  • 頭痛後に片麻痺と一側性の感覚障害をきたした1症例

    宮城愛,上村紀仁,丹野雄平,戸田麻衣子,正崎泰作,片山尚子,服部頼都,森仁,進藤克郎,山尾房枝,大井長和

    臨床神経学   48 ( 8 )   607 - 607   2008年08月

  • 起立性ミオクローヌスによる歩行障害を示した1例

    片山尚子,上村紀仁,丹野雄平,戸田麻衣子,正崎泰作,服部頼都,宮城愛,森仁,進藤克郎,山尾房枝,大井長和

    臨床神経学   48 ( 7 )   528 - 528   2008年07月

  • 左手のavoiding reactionと右手の優位使用を示した大脳皮質基底核変性症(CBD)の一症例

    戸田麻衣子,上村紀仁,丹野雄平,片山尚子,正崎泰作,服部頼人,宮城愛,森仁,進藤克郎,山尾房江,大井長和

    臨床神経学   48 ( 6 )   450   2008年06月

  • 3回の再燃を示した左腰椎神経根炎の一例

    上村紀仁,丹野雄平,戸田麻衣子,片山尚子,正崎泰作,宮城愛,服部頼都,森仁,進藤克郎,山尾房枝,大井長和

    臨床神経学   48 ( 4 )   298 - 298   2008年04月

  • 発作性に歩行障害が増強した1症例

    宮城愛,上村紀仁,丹野雄平,戸田麻衣子,片山尚子,正崎泰作,服部頼都,森仁,進藤克郎,山尾房枝,大井長和,石川欽也,水澤英洋

    臨床神経学   48 ( 4 )   298 - 298   2008年04月

  • 複合ガングリオシド抗体陽性を示し,IVIgG療法が無効で血漿交換療法が有効であったギラン・バレー症候群の1症例

    正崎泰作,上村紀仁,丹野雄平,戸田麻衣子,片山尚子,服部頼都,宮城愛,森仁,進藤克郎,山尾房枝,大井長和,楠進

    倉敷中央病院年報   70   85 - 89   2008年03月

  • possible ALSに両側中小脳脚病変を認めた1症例

    上村紀仁,丹野雄平,戸田麻衣子,片山尚子,正崎泰作,宮城愛,服部頼都,森仁,進藤克郎,山尾房枝,大井長和,小玉隆男

    臨床神経学   48 ( 3 )   221 - 221   2008年03月

  • 右大腿四頭筋の限局性筋萎縮と筋力低下を示したneurofibromatosis type1(NF1)の1症例

    宮城愛,上村紀仁,丹野雄平,戸田麻衣子,片山尚子,正崎泰作,服部頼都,森仁,進藤克郎,山尾房枝,大井長和

    臨床神経学   48 ( 1 )   79 - 79   2008年01月

  • 難治性てんかん重積に対するイソフルレンの有用性の検討

    大井長和,上村紀仁,丹野雄平,戸田麻衣子,服部頼都,片山尚子,宮城愛,正崎泰作,進藤克郎,山尾房枝,山下茂樹

    日本神経学会総会プログラム・抄録集   49th   284   2008年01月

  • 神経変性疾患の起立性低血圧に対するピリドスチグミンの効果

    服部頼都,上村紀仁,丹野雄平,戸田麻衣子,正崎泰作,片山尚子,森仁,進藤克郎,山尾房枝,大井長和

    日本神経学会総会プログラム・抄録集   49th   249   2008年01月

  • 重症破傷風患者へのイソフルランの有用性の検討

    正崎泰作,上村紀仁,丹野雄平,戸田麻衣子,片山尚子,服部頼都,宮城愛,森仁,進藤克郎,山尾房枝,大井長和

    日本神経学会総会プログラム・抄録集   49th   293   2008年01月

  • マーカー酵素は正常であったがムコ多糖症3型が疑われた一例

    森仁,上村紀仁,丹野雄平,戸田麻衣子,片山尚子,正崎泰作,服部頼都,宮城愛,進藤克郎,山尾房枝,大井長和

    日本神経学会総会プログラム・抄録集   49th   186   2008年01月

  • 一過性の眩暈を初発症状とした脳底動脈閉塞症の検討

    宮城愛,上村紀仁,丹野雄平,戸田麻衣子,片山尚子,正崎泰作,服部頼都,森仁,進藤克郎,山尾房枝,大井長和,吉田和道,山形専

    日本神経学会総会プログラム・抄録集   49th   267   2008年01月

  • 難治性の吃逆と嘔吐を呈した一症例

    正崎泰作,上村紀仁,丹野雄平,戸田麻衣子,片山尚子,服部頼都,宮城愛,森仁,進藤克郎,山尾房枝,大井長和

    臨床神経学   48 ( 1 )   66 - 66   2008年01月

  • 複合ガングリオシド抗体陽性を示し,血漿交換療怯が有効であったGBSの一症例

    正崎泰作,上村紀仁,丹野雄平,戸田麻衣子,片山尚子,服部頼都,宮城愛,森仁,進藤克郎,山尾房枝,大井長和,楠進

    臨床神経学   48 ( 1 )   70 - 70   2008年01月

  • 一側の舌下神経麻痺を示した2症例

    片山尚子,上村紀仁,丹野雄平,戸田麻衣子,宮城愛,正崎泰作,服部頼都,森仁,森敦子,進藤克郎,山尾房枝,大井長和

    臨床神経学   48 ( 1 )   80 - 80   2008年01月

  • 一側性緩徐衝動性眼球運動を認めた症例について

    大井長和,宮城愛,上村紀仁,丹野雄平,戸田麻衣子,片山尚子,服部頼都,正崎泰作,森仁,進藤克郎,山尾房枝

    神経眼科   24   46   2007年11月

  • 脳梁膨大部病変を認めた脳炎の2症例

    森仁,宮城愛,戸田麻衣子,上村紀仁,丹野雄平,片山尚子,正崎泰作,服部頼都,進藤克郎,山尾房枝,大井長和

    臨床神経学   47 ( 9 )   620 - 620   2007年09月

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講演・口頭発表等

▼全件表示

科研費

  • 新規モデルラットを用いた、パーキンソン病発症前診断バイオマーカーの開発

    若手研究  2018年05月

  • α-シヌクレインの発現を抑制する薬剤スクリーニング研究

    若手研究(B)  2016年05月

奨励寄附金・助成金

  • 脳血管周皮細胞におけるタウのクリアランス機構を探る

    公益財団法人日本脳神経財団  一般研究助成  2024年04月

  • 脳血管と細胞老化をターゲットにした認知症の病態メカニズムの解明

    一般財団法人ヘルスサイエンスセンター  研究助成  2024年02月

  • 微小脳血管障害及び慢性脳低灌流が及ぼす、タウ凝集体形成伝播メカニズムの解明

    公益財団法人武田科学振興財団  医学系研究助成   2023年10月

  • タウ凝集体のクリアランス及び脳内伝播に及ぼす、脳血管障害の影響

    公益財団法人京都大学教育研究振興財団  研究活動推進助成   2023年04月

その他補助金等

  • 認知症におけるARTAGの病態メカニズムの解明

    公益財団法人上原記念生命科学財団  外留学助成リサーチフェローシップ   2020年07月

  • 疾患特異的なフィブリルコアに着目したタウ抗体の開発―診断・治療への新規アプローチ

    日本学術振興会  海外特別研究員ーRRA  2018年07月

メディア報道

  • 京大、パーキンソン病前駆期の動物モデルを作製 インターネットメディア

    日経BP  日経バイオテク  2019年12月

  • パーキンソン病前駆期のモデル動物を作製、新規治療法開発に期待-京大ほか インターネットメディア

    医療NEWS  QLifePro  2019年12月

  • 京大、パーキンソン病前駆期の動物モデルを作製 筑波大・順天堂大・京都府立医科大と共同で 新聞・雑誌

    日本経済新聞  日本経済新聞  2019年12月

  • パーキンソン病前駆期の動物モデルを作製~発症予防や進行抑制に向けた治療法開発の貢献に期待~ インターネットメディア

    Tii生命科学  Tii生命科学  2019年12月

  • パーキンソン病前駆期の動物モデルを作製 - AMED インターネットメディア

    国立研究開発法人日本医療研究開発機構  2019年12月

  • パーキンソン病前駆期の動物モデルを作製―発症予防や進行抑制に向けた治療法開発の貢献に期待―」 会誌・広報誌

    京都大学産学連携  2019年12月

  • 孤発性小血管性認知症の発症機序の一部を解明 -認知症の治療に向けての新たなアプローチ、マウスで効果を確認- 会誌・広報誌

    京都大学産学連携  2017年06月

  • 血管性認知症 脳障害を改善 新聞・雑誌

    朝日新聞  2017年06月

  • 血管性認知症の一端解明 新聞・雑誌

    京都新聞  2017年06月

  • 小血管性認知症 脳内に特定タンパク質 新聞・雑誌

    産経新聞  2017年06月

  • 「血管性認知症」特定たんぱく増 新聞・雑誌

    毎日新聞  2017年06月

  • 脳に特定タンパク質多発=小血管性認知症の患者 新聞・雑誌

    時事通信  2017年06月

  • 血管性認知症の関連物質発見、京大チーム、脳内で増加 新聞・雑誌

    宮崎日日新聞  2017年06月

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