2026/03/18 更新

写真a

ウエキ サトシ
植木 智志
UEKI Satoshi
所属
医歯学総合病院 眼科 講師
職名
講師
外部リンク

学位

  • 博士(医学) ( 2005年3月   新潟大学 )

研究分野

  • ライフサイエンス / 眼科学

経歴

  • 新潟大学   医歯学総合病院 眼科   講師

    2023年5月 - 現在

  • 新潟大学   医歯学総合病院 眼科   助教

    2022年4月 - 2023年4月

  • 新潟大学   医歯学総合病院 眼科   特任助教

    2021年4月 - 2022年3月

  • 新潟大学   脳研究所 統合脳機能研究センター   助教

    2016年4月 - 2021年3月

  • 新潟大学   研究推進機構 超域学術院   助教

    2011年4月 - 2016年3月

 

論文

  • Hyperopic anisometropia with a shorter axial length ipsilateral to the ptotic eye in children with congenital ptosis. 国際誌

    Satoshi Ueki, Yuji Suzuki, Megumi Kiyokawa, Takako Hanyu, Takeo Fukuchi

    BMC ophthalmology   21 ( 1 )   358 - 358   2021年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    BACKGROUND: To investigate the clinical characteristics of children with congenital ptosis, with particular attention given to the incidence of anisometropia, and the difference in axial length (AL) between the right and left eyes. METHODS: The medical charts of 55 patients with congenital ptosis at Niigata University Medical and Dental Hospital were retrospectively analyzed. Clinical characteristics, including age, cycloplegic refraction, AL, and the presence of amblyopia and its causes were analyzed. RESULTS: Age at the initial visit was 16 ± 20 (mean ± standard deviation, the same applies below) months. Of the 49 patients whose cycloplegic refraction was measured, hyperopic anisometropia, defined as ≥ one-diopter difference in spherical equivalent (SE), was observed in 1/11, 9/27 and 5/11 patients with bilateral, right, and left ptosis, respectively. Among 14/38 patients with hyperopic anisometropia involving unilateral ptosis, 13 demonstrated a larger SE in the ptotic eye than in the non-ptotic eye. The inter-eye difference in AL (AL of the ptotic eye minus that of the non-ptotic eye) in six patients with unilateral ptosis and hyperopic anisometropia ipsilateral to the ptotic eye (-0.29 ± 0.40 mm) was significantly smaller than that in three patients with unilateral ptosis and no hyperopic anisometropia (0.38 ± 0.29 mm). CONCLUSIONS: At our institute, children with congenital ptosis had a high incidence of hyperopic anisometropia ipsilateral to the ptotic eye. Furthermore, this condition was associated with a shorter axial length. These results indicate that refractive correction for hyperopic anisometropia is important for proper visual development in children with congenital ptosis.

    DOI: 10.1186/s12886-021-02126-8

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  • Visual outcome of aquaporin-4 antibody-positive optic neuritis with maintenance therapy.

    Satoshi Ueki, Tetsuhisa Hatase, Megumi Kiyokawa, Izumi Kawachi, Etsuji Saji, Osamu Onodera, Takeo Fukuchi, Hironaka Igarashi

    Japanese journal of ophthalmology   65 ( 5 )   699 - 703   2021年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    PURPOSE: To assess the effect of maintenance therapy on visual outcomes in preventing recurrences one year after first onset in patients with aquaporin-4 antibody (AQP4Ab)-positive optic neuritis. STUDY DESIGN: Retrospective study. METHODS: The medical charts of 56 patients with optic neuritis (22 with AQP4Ab-positive and 34 with AQP4Ab-negative) at Niigata University Medical and Dental Hospital were retrospectively analyzed. Clinical characteristics, including visual acuity and number of recurrences one year after first onset, were compared among patients who were AQP4Ab-positivie with and those without maintenance therapy such as oral prednisolone and azathioprine, as well as those who were AQP4Ab-negative. RESULTS: The mean ages were 49.3 and 45.2 years in the AQP4Ab-positive and the AQP4Ab-negative groups. The female to male ratio was 21:1 and 18:16 in the two groups, respectively. Multiple between-group comparison showed a statistically significant difference in visual acuity one year after first onset between the AQP4Ab-positive without maintenance therapy group and the AQP4Ab-negative group (0.05 (median, same applies below) vs. 1.0, p < 0.01). There was also a statistically significant difference in the number of recurrences in the year after first onset between the AQP4Ab-positive with and without maintenance therapy groups (1 vs. 0, p < 0.01). CONCLUSION: This study demonstrates that patients with AQP4Ab-positive optic neuritis without maintenance therapy had the poorest visual acuity and the most recurrences one year after first onset. These results indicate that reducing the number of recurrences with maintenance therapy could improve the visual outcomes in patients with AQP4Ab-positive optic neuritis.

    DOI: 10.1007/s10384-021-00858-0

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  • Retinal Aquaporin-4 and Regulation of Water Inflow Into the Vitreous Body. 国際誌

    Satoshi Ueki, Yuji Suzuki, Hironaka Igarashi

    Investigative ophthalmology & visual science   62 ( 2 )   24 - 24   2021年2月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Purpose: Details of the posterior eye water dynamics are unclear. Aquaporin-4 (AQP4), a water channel, plays an important role in water dynamics in the central nervous system and is also present in the ocular tissue. The purpose of this study was to reveal the role of AQP4 in the water dynamics of the posterior eye using in vivo JJ vicinal coupling proton exchange (JJVCPE) magnetic resonance imaging (MRI) of AQP4 knockout (KO) mice and their wild-type littermates (controls). Methods: JJVCPE MRI of the eye was performed on five AQP4 KO mice and seven control mice. We assessed the normalized signal intensities of a region of interest (ROI) set in the vitreous body after H217O administration. The results of the two groups were compared using a two-tailed Mann-Whitney U test. Results: A statistical analysis revealed that the normalized ROI signal intensities at the steady state were significantly lower (P = 0.010, <0.05) in the AQP4 KO mice (mean ± SD, 84.5% ± 2.7%) than the controls (mean ± SD, 88.8% ± 1.9%). Conclusions: The present study using JJVCPE MRI of the eye demonstrated that retinal AQP4 has a potential role in the regulation of water inflow into the vitreous body. Absence of AQP4 in the KO mice probably induces lower water outflow from the vitreous body. Our results could help clarify the pathogenesis of various ocular diseases.

    DOI: 10.1167/iovs.62.2.24

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  • Reconsideration of conversion to multiple sclerosis: one-year cerebral lesion appearance rate of Japanese aquaporin-4 antibody-negative optic neuritis patients

    Satoshi Ueki, Yukari Hasegawa, Tetsuhisa Hatase, Izumi Kawachi, Takeo Fukuchi

    Japanese Journal of Ophthalmology   2025年6月

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    掲載種別:研究論文(学術雑誌)   出版者・発行元:Springer Science and Business Media LLC  

    DOI: 10.1007/s10384-025-01235-x

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    その他リンク: https://link.springer.com/article/10.1007/s10384-025-01235-x/fulltext.html

  • Test-Retest of the Spot Vision Screener among Children with Ophthalmological Diseases including Strabismus

    Mika Ichimura, Satoshi Ueki, Takeo Fukuchi

    Journal of Ophthalmology   2024   1 - 6   2024年5月

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    掲載種別:研究論文(学術雑誌)   出版者・発行元:Hindawi Limited  

    Background. The spot vision screener (SVS) has been widely used for eye health examinations of infants and young children. The purpose of this study was to evaluate the reproducibility of two SVS measurements in children with ophthalmological diseases. Methods. 29 patients aged 15 years or younger who visited our hospital for refraction examinations with SVS before and at least 60 minutes after administration of 2 drops of 1% cyclopentolate ophthalmic solution (before and after cycloplegia) were included in this study. Two SVS measurements were made before and after cycloplegia, respectively. Intraclass correlation coefficients (ICCs) and Bland–Altman analysis for spherical, spherical equivalent (SE), cylindrical, J0, and J45 values before and after cycloplegia were analyzed. Results. The mean age ± standard deviation (SD) of the 29 patients was 7.6 ± 2.4 years. There were 11 males and 18 females. The mean spherical values based on the SVS before and after cycloplegia were 0.42 ± 1.67 diopter (D), and 1.47 ± 2.23 D for the first measurement and 0.60 ± 1.74 D, and 1.42 ± 2.27 D for the second measurement, respectively. The mean cylindrical values based on SVS before and after cycloplegia were −1.45 ± 0.96 D and −1.65 ± 0.89 D for the first measurement and −1.58 ± 1.13 D and −1.66 ± 0.91 D for the second measurement, respectively. The ICCs for the first and second spherical, SE, cylindrical, J0, and J45 values before cycloplegia were 0.95, 0.98, 0.83, 0.86, and 0.86, respectively. The ICCs for the first and second spherical, SE, cylindrical, J0, and J45 values after cycloplegia were 0.99, 0.99, 0,87, 0.73, and 0.80, respectively. The Bland–Altman analysis of the first and second spherical and SE values before cycloplegia showed fan-shaped variation as hyperopia increased. Conclusions. Two consecutive SVS refraction measurements have a high degree of reproducibility for spherical and SE values but a low degree for cylindrical, J0, and J45 values. From these results, multiple measurements are required to obtain reliable results for cylindrical values.

    DOI: 10.1155/2024/2173860

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    その他リンク: http://downloads.hindawi.com/journals/joph/2024/2173860.xml

  • 難治性視神経炎治療全国調査 急性期免疫グロブリン製剤大量静注療法の有効性の検討

    高橋 洋平, 植木 智志, 木村 亜紀子, 毛塚 剛司, 敷島 敬悟, 中馬 秀樹, 中村 誠, 橋本 雅人, 山上 明子, 安里 輝, 龍井 苑子, 庄司 信行, 石川 均

    日本眼科学会雑誌   128 ( 臨増 )   193 - 193   2024年3月

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    記述言語:日本語   出版者・発行元:(公財)日本眼科学会  

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  • AQP4抗体陽性視神経脊髄炎治療全国調査 生物学的製剤導入による再発抑制・ステロイド減量効果の検討

    高橋 洋平, 植木 智志, 木村 亜紀子, 毛塚 剛司, 敷島 敬悟, 中馬 秀樹, 中村 誠, 橋本 雅人, 山上 明子, 龍井 苑子, 石川 均

    神経眼科   40 ( 増補1 )   53 - 53   2023年11月

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    記述言語:日本語   出版者・発行元:日本神経眼科学会  

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  • Age-Dependent Changes in Regulation of Water Inflow Into the Vitreous Body. 国際誌

    Satoshi Ueki, Yuji Suzuki, Yukimi Nakamura, Hironaka Igarashi

    Investigative ophthalmology & visual science   64 ( 12 )   22 - 22   2023年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    PURPOSE: Water inflow into the vitreous body regulated by retinal aquaporin-4 distributed within Müller cells has been observed in mice; however, the changes in this phenomenon with age remain unknown. This study aimed to evaluate whether intravenously injected H2O also flows into the vitreous body of human subjects and to investigate whether water dynamics in the human posterior eye change with age using [15O]H2O positron emission tomography (PET). METHODS: Forty-six normal adult volunteers underwent [15O]H2O PET, and the standard uptake value (SUV) in the center of the vitreous body after 1000-MBq [15O]H2O administration was assessed. The SUV was fitted to an exponential curve, and y0, the steady state of the SUV, and b, the speed of increase in the SUV, were calculated. The results for patients ranging from in age from 20 to 39, 40 to 59, and 60 to 79 years were compared using analyses of variance followed by Games to Howell tests. RESULTS: For the parameter y0, statistical analysis revealed no statistically significant differences among the three groups. For parameter b, statistical analysis revealed statistically significant differences between the 20 to 39 and 60 to 79 age groups (P = 0.000), the 40 to 59 and 60 to 79 age groups (P = 0.025), and the 20 to 39 and 40 to 59 age groups (P = 0.037). CONCLUSIONS: The present study revealed that H2O injected into the vein flows into the human vitreous body and that the speed of increase in water flow into the vitreous body decreases with aging. This study suggests that water dynamics in the posterior eye, or the retinal glymphatic pathway, change significantly with aging.

    DOI: 10.1167/iovs.64.12.22

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  • Spasm of Near Reflex in a Patient with Autism Spectrum Disorder: A Case Report

    Satoshi Ueki, Yukari Hasegawa, Tetsuhisa Hatase, Takako Hanyu, Jun Egawa, Atsushi Miki, Takeo Fukuchi

    Reports   6 ( 3 )   38 - 38   2023年8月

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    掲載種別:研究論文(学術雑誌)   出版者・発行元:MDPI AG  

    Spasm of near reflex (SNR) involves intermittent spasm of one or more of the three near reflex components. Psychiatric disorders are one cause of SNR. We describe a patient with SNR diagnosed with autism spectrum disorder (ASD). A 36-year-old male with esotropia since childhood was referred due to headache and dizziness. The alternate prism cover test showed 30 prism diopters at both near and distant fixation. Four months after his first visit, he was diagnosed with ASD. Twenty-nine months after his first visit, he underwent strabismus surgery to treat concomitant esotropia. Postoperatively, the angle of strabismus improved but remained variable. Because the angle of strabismus varied, we suspected SNR; the diagnosis was performed after evaluating the patient’s microfluctuations in accommodation with Speedy-K. However, it was difficult to distinguish convergence spasm from concomitant esotropia in this patient because he has had a history of esotropia since childhood. In a patient with concomitant esotropia, if the symptoms are not exclusively due to strabismus, SNR should be suspected. Although the relationship between SNR and the pathology of ASD is unknown, it is possible that patients with ASD are more likely to develop SNR.

    DOI: 10.3390/reports6030038

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  • Posterior microphthalmos with achievement of good visual acuity and disappearance of papillomacular retinal folds: a case report

    Takako Hanyu, Satoshi Ueki, Yukari Hasegawa, Megumi Kiyokawa, Takeo Fukuchi

    BMC Ophthalmology   22 ( 1 )   2022年11月

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    掲載種別:研究論文(学術雑誌)   出版者・発行元:Springer Science and Business Media LLC  

    Abstract

    Background

    Posterior microphthalmos (PM) is a rare condition with poor visual prognosis even after amblyopia treatment. We report a case of PM with achievement of good visual acuity and disappearance of papillomacular retinal folds (PFs) over a period of 7 years.

    Case presentation

    A girl aged 3 years and 5 months was referred to our hospital, after poor visual acuity was identified at a medical checkup for 3-year-olds. She had severe spherical hyperopia: + 17.25 D in the right eye (RE) and + 18 D in the left eye (LE). Her corrected visual acuity was 20/200 in the RE and 20/250 in the LE. PFs were observed in both eyes on optical coherence tomography (OCT), and the diagnosis of PM was made based on the normal corneal diameter and anterior chamber depth. During the course of the disease, a gradual decrease in the height of the PFs was observed on OCT. The corrected visual acuity at age 10 years was 20/20 in the RE and 20/25 in the LE.

    Conclusions

    The visual prognosis of PM is poor, and only one case with good visual acuity has been reported in the literature. The patient in the present case not only developed good visual acuity, but also showed improvement in macular morphology, which was not noted in previous reports. Early diagnosis of PM and early amblyopia treatment is important for the visual development in PM.

    DOI: 10.1186/s12886-022-02648-9

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    その他リンク: https://link.springer.com/article/10.1186/s12886-022-02648-9/fulltext.html

  • One-year recurrence rate of Graves ophthalmopathy presenting as diplopia in the primary position after varied doses of intravenous methylprednisolone followed by oral prednisolone with dosing based on the magnetic resonance imaging findings

    Satoshi Ueki, Yukari Hasegawa, Tetsuhisa Hatase, Megumi Kiyokawa, Takeo Fukuchi

    Japanese Journal of Ophthalmology   67 ( 1 )   91 - 96   2022年10月

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    掲載種別:研究論文(学術雑誌)   出版者・発行元:Springer Science and Business Media LLC  

    DOI: 10.1007/s10384-022-00954-9

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    その他リンク: https://link.springer.com/article/10.1007/s10384-022-00954-9/fulltext.html

  • The Prevalence of Brain Abnormalities in Japanese Patients with Optic Nerve Hypoplasia. 国際誌

    Megumi Kiyokawa, Satoshi Ueki, Tetsuhisa Hatase, Takako Hanyu, Takeo Fukuchi

    Neuro-ophthalmology (Aeolus Press)   45 ( 4 )   265 - 270   2021年

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    記述言語:英語  

    The purpose of this study was to investigate the clinical characteristics of Japanese patients with optic nerve hypoplasia (ONH), with particular attention to the prevalence of brain abnormalities. We retrospectively analysed the medical charts of 16 patients who were diagnosed with ONH and who underwent magnetic resonance imaging (MRI) at Niigata University Medical and Dental Hospital. We recorded the age, sex, laterality, initial eye and visual symptoms, best-corrected visual acuity, and brain abnormalities on MRI (excluding ONH). The median age at the first visit to the Ophthalmology Clinic was 2.4 years old. Four patients were male and 12 were female. ONH was bilateral in 11 patients and unilateral in five. Best-corrected visual acuity ranged from no light perception to 20/20. Seven patients (43.8%) had brain abnormalities including agenesis of the septum pellucidum, pituitary gland hypofunction, cerebral dysplasia, and West syndrome. Five of these seven patients had general manifestations since the neonatal or infantile period. Our study revealed the prevalence of brain abnormalities associated with optic nerve hypoplasia in Japanese patients at a single institute. Because two of 11 patients had no general manifestations since the neonatal or infantile period but demonstrated brain abnormalities, MRI should be performed to investigate all patients with ONH.

    DOI: 10.1080/01658107.2020.1844758

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  • Longitudinal GluCEST MRI Changes and Cerebral Blood Flow in 5xFAD Mice

    Hironaka Igarashi, Satoshi Ueki, Hiroki Kitaura, Tae Kera, Ken Ohno, Masaki Ohkubo, Mika Terumitsu-Tsujita, Akiyoshi Kakita, Ingrid L Kwee

    Contrast Media & Molecular Imaging   2020   1 - 12   2020年11月

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    掲載種別:研究論文(学術雑誌)   出版者・発行元:Hindawi Limited  

    Many of the focal neurological symptoms associated with Alzheimer’s disease (AD) are due to synaptic loss. Glutamate chemical exchange saturation transfer (GluCEST) magnetic resonance imaging (MRI) is a candidate method to assess synaptic dysfunction. We assessed chronological changes in GluCEST in a 5xFAD mouse model of AD, comparing Glucest effects and regional cerebral blood flow (CBF). GluCEST effects and CBF in 5xFAD mice aged 1–15 months and their littermates (WT) were measured. Neurite orientation dispersion and density imaging (NODDI) MRI reflecting dendritic/axonal density was also measured and compared with GluCEST in 7-month-old mice. While regional CBF’s decrease began at 7 months, GluCEST-reduction effects preceded hypoperfusion of the temporal cortex and hippocampus. While longitudinal 5xFAD mouse measurements revealed a correlation between the regional GluCEST effects and CBF, a generalized linear mixed model revealed statistically different correlations in cortical and basal brain regions. Further, NODDI-derived neurite density correlated with GluCEST effects in the parietal cortex, but not in the hippocampus, thereby revealing regional differences in pathophysiological mechanisms. Finally, GluCEST’s effects correlated with regional synaptophysin. These results demonstrate that GluCEST can reflect subtle synaptic changes and may be a potential imaging method for AD diagnosis as well as serve as a biomarker of AD progression.

    DOI: 10.1155/2020/8831936

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    その他リンク: http://downloads.hindawi.com/journals/cmmi/2020/8831936.xml

  • Participant-driven Simulation Protocol With a Mock Scanner for Pediatric Magnetic Resonance Neuroimaging Preparation Without Sedation 査読

    Kenichi Yamada, Yuji Suzuki, Satoshi Ueki, Kosuke Itoh, Masaki Watanabe, Kiyotaka Suzuki, Hironaka Igarashi

    Clinical Simulation in Nursing   47   40 - 47   2020年10月

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    掲載種別:研究論文(学術雑誌)   出版者・発行元:Elsevier BV  

    DOI: 10.1016/j.ecns.2020.07.002

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  • 正常眼圧緑内障の経過中に視交叉部腫瘍合併が明らかになった4例

    長谷川 友加里, 坂上 悠太, 植木 智志, 飯川 龍, 中野 里絵子, 末武 亜紀, 栂野 哲哉, 福地 健郎

    日本眼科学会雑誌   123 ( 12 )   1101 - 1108   2019年12月

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    記述言語:日本語   出版者・発行元:(公財)日本眼科学会  

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  • グルタミン酸CEST-MRイメージング法の開発とアルツハイマー病モデルマウスへの応用 査読

    大野 健, 植木 智志, 大久保 真樹, 鈴木 清隆, 五十嵐 博中, 中田 力

    脳循環代謝   31 ( 1 )   99 - 99   2019年11月

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    記述言語:日本語   出版者・発行元:(一社)日本脳循環代謝学会  

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  • Visualizing the Distribution of Matrix Metalloproteinases in Ischemic Brain Using In Vivo 19F-Magnetic Resonance Spectroscopic Imaging. 査読 国際誌

    Vincent J Huber, Hironaka Igarashi, Satoshi Ueki, Mika Terumitsu-Tsujita, Chikako Nito, Ken Ohno, Yuji Suzuki, Kosuke Itoh, Ingrid L Kwee, Tsutomu Nakada

    Contrast media & molecular imaging   2019   8908943 - 8908943   2019年

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    記述言語:英語  

    Matrix metalloproteinases (MMPs) damage the neurovascular unit, promote the blood-brain barrier (BBB) disruption following ischemic stroke, and play essential roles in hemorrhagic transformation (HT), which is one of the most severe side effects of thrombolytic therapy. However, no biomarkers have presently been identified that can be used to track changes in the distribution of MMPs in the brain. Here, we developed a new 19F-molecular ligand, TGF-019, for visualizing the distribution of MMPs in vivo using 19F-magnetic resonance spectroscopic imaging (19F-MRSI). We demonstrated TGF-019 has sufficient sensitivity for the specific MMPs suspected in evoking HT during ischemic stroke, i.e., MMP2, MMP9, and MMP3. We then utilized it to assess those MMPs at 22 to 24 hours after experimental focal cerebral ischemia on MMP2-null mice, as well as wild-type mice with and without the systemic administration of the recombinant tissue plasminogen activator (rt-PA). The 19F-MRSI of TGN-019-administered mice showed high signal intensity within ischemic lesions that correlated with total MMP2 and MMP9 activity, which was confirmed by zymographic analysis of ischemic tissues. Based on the results of this study, 19F-MRSI following TGN-019 administration can be used to assess potential therapeutic strategies for ischemic stroke.

    DOI: 10.1155/2019/8908943

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  • Aquaporin-4 facilitator TGN-073 promotes interstitial fluid circulation within the blood-brain barrier: [17O]H2O JJVCPE MRI study. 国際誌

    Vincent J Huber, Hironaka Igarashi, Satoshi Ueki, Ingrid L Kwee, Tsutomu Nakada

    Neuroreport   29 ( 9 )   697 - 703   2018年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    The blood-brain barrier (BBB), which imposes significant water permeability restriction, effectively isolates the brain from the systemic circulation. Seemingly paradoxical, the abundance of aquaporin-4 (AQP-4) on the inside of the BBB strongly indicates the presence of unique water dynamics essential for brain function. On the basis of the highly specific localization of AQP-4, namely, astrocyte end feet at the glia limitans externa and pericapillary Virchow-Robin space, we hypothesized that the AQP-4 system serves as an interstitial fluid circulator, moving interstitial fluid from the glia limitans externa to pericapillary Virchow-Robin space to ensure proper glymphatic flow draining into the cerebrospinal fluid. The hypothesis was tested directly using the AQP-4 facilitator TGN-073 developed in our laboratory, and [O]H2O JJ vicinal coupling proton exchange MRI, a method capable of tracing water molecules delivered into the blood circulation. The results unambiguously showed that facilitation of AQP-4 by TGN-073 increased turnover of interstitial fluid through the system, resulting in a significant reduction in [O]H2O contents of cortex with normal flux into the cerebrospinal fluid. The study further suggested that in addition to providing the necessary water for proper glymphatic flow, the AQP-4 system produces a water gradient within the interstitial space promoting circulation of interstitial fluid within the BBB.

    DOI: 10.1097/WNR.0000000000000990

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  • 視線解析装置を用いた網膜色素変性患者の読書評価

    村田 憲章, 宮本 ふう子, 木下 直彦, 植木 智志, 畑瀬 哲尚, 福地 健郎

    日本視能訓練士協会誌   46   245 - 256   2017年12月

  • Maturational decrease of glutamate in the human cerebral cortex from childhood to young adulthood: a 1H-MR spectroscopy study. 査読 国際誌

    Mami Shimizu, Yuji Suzuki, Kenichi Yamada, Satoshi Ueki, Masaki Watanabe, Hironaka Igarashi, Tsutomu Nakada

    Pediatric research   82 ( 5 )   749 - 752   2017年11月

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    記述言語:英語  

    BackgroundThe aim of the present study was to investigate maturational changes in glutamate (Glu) in the human cerebral cortex from childhood to young adulthood using 3.0-Tesla proton magnetic resonance spectroscopy (1H-MRS), which is capable of quantifying Glu in vivo.MethodsNormal volunteers comprising 11 children (aged 4-13 years) and 11 young adults (aged 18-33 years) participated in the study. Single-voxel point-resolved spectroscopy (PRESS, repetition time/echo time=2,000/80 ms) was performed on the frontal and occipital cortices, and the Glu-to-creatine ratio (Glu/Cr) and N-acetylaspartate-to-creatine ratio (NAA/Cr) were determined.ResultsIn both the frontal and occipital cortices, Glu/Cr was significantly lower during young adulthood relative to that during childhood. NAA/Cr did not differ significantly between the two age groups.ConclusionThis study has provided objective evidence that cerebral cortical Glu/Cr decreases between childhood and young adulthood. The observed decrease in Glu/Cr may reflect the simultaneous occurrence of maturational changes, such as changes in cortical microstructure and the intercellular compartmentation of Glu metabolism.

    DOI: 10.1038/pr.2017.101

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  • Clinicopathological features in anterior visual pathway in neuromyelitis optica 査読

    Mariko Hokari, Akiko Yokoseki, Musashi Arakawa, Etsuji Saji, Kaori Yanagawa, Fumihiro Yanagimura, Yasuko Toyoshima, Kouichirou Okamoto, Satoshi Ueki, Tetsuhisa Hatase, Riuko Ohashi, Takeo Fukuchi, Kohei Akazawa, Mitsunori Yamada, Akiyoshi Kakita, Hitoshi Takahashi, Masatoyo Nishizawa, Izumi Kawachi

    ANNALS OF NEUROLOGY   79 ( 4 )   605 - 624   2016年4月

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    DOI: 10.1002/ana.24608

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  • 抗アクアポリン4抗体陽性視神経炎診療ガイドライン

    三村 治, 不二門 尚, 植木 智志, 毛塚 剛司, 敷島 敬悟, 菅澤 淳, 中馬 秀樹, 中尾 雄三, 中村 誠, 山上 明子, 抗アクアポリン4抗体陽性視神経炎診療ガイドライン作成委員会

    神経眼科   31 ( 4 )   509 - 525   2014年12月

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  • Secondary Glaucoma Associated With Bilateral Complete Ring Cysts of the Ciliary Body 査読

    Masaaki Seki, Takeo Fukuchi, Takaiko Yoshino, Jun Ueda, Hiruma Hasebe, Satoshi Ueki, Tokuhide Oyama, Atsushi Fukushima, Haruki Abe

    JOURNAL OF GLAUCOMA   23 ( 7 )   477 - 481   2014年9月

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    DOI: 10.1097/IJG.0b013e31827a088c

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  • 眼科健診から専門医を受診した小児の検討

    石井 雅子, 医療技術学部, 落合 竣, 松浦 将人, 畑瀬 哲尚, 植木 智志, 羽入 貴子, 福地 健郎

    眼科臨床紀要   7 ( 2 )   131 - 135   2014年2月

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  • Background of children consulted ophthalmologist from visual screening in health check program

    Masako Ishii, Shun Ochiai, Masato Matsuura, Tetsuhisa Hatase, Satoshi Ueki, Takako Hanyu, Takeo Fukuchi

    Folia Japonica de Ophthalmologica Clinica   7 ( 2 )   131 - 135   2014年2月

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  • 高度の視野障害が見られたoptic disc drusenの1例

    上田 潤, 大湊 絢, 植木 智志, 栂野 哲哉, 坂上 悠太, 五十嵐 遼子, 福地 健郎, 田沢 博

    眼科臨床紀要   6 ( 12 )   987 - 987   2013年12月

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  • 全身悪性リンパ腫の視神経乳頭浸潤に対してメトトレキサート硝子体腔注射が有効であった1例 査読

    大湊 絢, 大学院医歯学総合研究科視覚病態学分野, 植木 智志, 尾山 徳秀, 高木 峰夫, 張 大行, 阿部 春樹

    臨床眼科   66 ( 3 )   355 - 360   2012年3月

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    DOI: 10.11477/mf.1410104132

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  • 内斜視で発見された小児の橋神経膠腫の3例 査読

    羽入 貴子, 大学院医歯学総合研究科生体機能調節医学専攻感覚統合医学講座視覚病態学分野, 三木 淳司, 植木 智志, 高木 峰夫, 阿部 春樹, 吉村 淳一

    臨床眼科   66 ( 1 )   49 - 56   2012年1月

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    DOI: 10.11477/mf.1410104061

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  • 前立腺癌による眼窩および脈絡膜転移を併発し診断が困難であった1例 査読

    植木 智志, 高木 峰夫, 村上 健治, 尾山 徳秀, 阿部 春樹

    神経眼科   28 ( 3 )   320 - 325   2011年9月

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  • A case of orbital and choroidal metastases from prostate cancer

    Satoshi Ueki, Mineo Takagi, Kenji Murakami, Tokuhide Oyama, Haruki Abe

    Neuro-Ophthalmology Japan   28 ( 3 )   320 - 325   2011年

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  • Evaluation of the Optic Nerve Complex in the Orbit Using Coronal Fast Magnetic Resonance Imaging 査読

    Tetsuhisa Hatase, Mineo Takagi, Kouichirou Okamoto, Shoichi Inagawa, Atsuhiko Iijima, Satoshi Ueki, Haruki Abe

    NEURO-OPHTHALMOLOGY   34 ( 2 )   88 - 95   2010年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.3109/01658101003587825

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  • Retinal nerve fiber layer thickness in recovered and persistent amblyopia 査読

    Atsushi Miki, Motohiro Shirakashi, Kiyoshi Yaoeda, Yu Kabasawa, Satoshi Ueki, Mineo Takagi, Haruki Abe

    Clinical Ophthalmology   4 ( 1 )   1061 - 1064   2010年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2147/OPTH.S13145

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  • Optic disc measurements using the Heidelberg Retina Tomograph in amblyopia 査読

    Atsushi Miki, Motohiro Shirakashi, Kiyoshi Yaoeda, Yu Kabasawa, Satoshi Ueki, Mineo Takagi, Haruki Abe

    Clinical Ophthalmology   4 ( 1 )   1025 - 1028   2010年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2147/OPTH.S13143

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  • Preoperative depiction of cavernous sinus invasion by pituitary macroadenoma using three-dimensional anisotropy contrast periodically rotated overlapping parallel lines with enhanced reconstruction imaging on a 3-tesla system 査読

    Yuichiro Yoneoka, Naoto Watanabe, Hitoshi Matsuzawa, Itaru Tsumanuma, Satoshi Ueki, Tsutomu Nakada, Yukihiko Fujii

    JOURNAL OF NEUROSURGERY   108 ( 1 )   37 - 41   2008年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.3171/JNS/2008/108/01/0037

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  • Unusual strabismus fixus

    Mineo Takagi, Tetsuhisa Hatase, Satoshi Ueki, Atsuhiko Iijima, Ritsuko Takada, Atsushi Miki, Haruki Abe

    Neuro-Ophthalmology Japan   24 ( 3 )   267 - 273   2007年

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  • Assessment of axonal degeneration along the human visual pathway using diffusion trace analysis 査読

    Satoshi Ueki, Yukihiko Fujii, Hitoshi Matsuzawa, Mineo Takagi, Haruki Abe, Ingrid L. Kwee, Tsutomu Nakada

    AMERICAN JOURNAL OF OPHTHALMOLOGY   142 ( 4 )   591 - 596   2006年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.ajo.2006.05.042

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  • 中心暗点をきたした両側後頭側頭葉障害による相貌失認の1例 査読

    三木 淳司, 大学院医歯学総合研究科眼科, 高木 峰夫, 谷本 直之, 植木 智志, 臼井 知聡, 長谷川 茂, 阿部 春樹

    臨床眼科   60 ( 6 )   1083 - 1086   2006年6月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:医学書院  

    DOI: 10.11477/mf.1410101685

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  • 糖尿病乳頭症と前部虚血性視神経症 査読

    小川涼太, 高木峰夫, 佐野友紀, 植木智志, 三木淳司, 臼井知聡, 長谷川茂, 阿部春樹

    神経眼科   23 ( 1 )   63 - 70   2006年3月

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    DOI: 10.20566/18810624_23(1)_63

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  • 甲状腺眼症急性期の治療 査読

    高木峰夫, 松田英伸, 植木智志, 三木淳司, 臼井知聡, 長谷川茂, 阿部春樹

    神経眼科   23 ( 2 )   238-247 - 247   2006年

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  • A case with diabetic papillopathy and anterior ischemic optic neuropathy

    Ryota Ogawa, Mineo Takagi, Tomonori Sano, Satoshi Ueki, Atsushi Miki, Tomoaki Usui, Shigeru Hasegawa, Haruki Abe

    Neuro-Ophthalmology Japan   23 ( 1 )   63 - 70   2006年

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  • 多局所視覚誘発電位による小児視神経炎の解析 査読

    畑瀬哲尚, 長谷川茂, 谷本直之, 三木淳司, 植木智志, 臼井知聡, 高木峰夫, 阿部春樹

    日本眼科学会雑誌   109 ( 8 )   497 - 503   2005年8月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:日本眼科学会  

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    その他リンク: http://search.jamas.or.jp/link/ui/2005231565

  • 超高磁場拡散強調磁気共鳴画像法による視神経軸索機能の定量的評価

    植木智志

    新潟医学会雑誌   119 ( 8 )   474 - 480   2005年8月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:新潟大学  

    【目的】視神経疾患の診療において軸索機能を評価するために磁気共鳴画像法(MRI)は今や必須と言える検査法であるが,現在用いられている撮像法では定量性に乏しいという欠点が存在する.本研究は視神経の軸索機能を,超高磁場拡散強調MRIを用いて定量的に評価することを目的とした.【方法】片側急性視神経炎患者5名と片側慢性視神経症患者6名と正常被験者16名を対象とした.それぞれの被験者の両側視神経に設定した関心領域でtrace値(神経線維の微細構造を含めた軸索機能の変化を示す)を測定した.【結果】片側急性視神経炎患者の患側視神経のtrace値は正常被験者に比べ有意に低かった.一方,片側慢性視神経症患者の患側視神経のtrace値は健側視神経および正常被験者に比べ有意に高かった.【結論】患者の視神経において,病態の相違がtrace値の変化の相違として観察された.これらの結果は軸索炎症の指標および軸索変性の指標が非侵貧的に,かつ定量的に測定可能であることを示している.超高磁場拡散強調MRHこよりtrace値を測定することで,視神経の軸索機能を定量的に評価することが可能となると考えられ,臨床的に有用と思われる.

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    その他リンク: http://hdl.handle.net/10191/3485

  • [Multifocal visually evoked responses in two children with optic neuritis] 査読

    Hatase T, Hasegawa S, Tanimoto N, Miki A, Ueki S, Usui T, Takaki M, Abe H

    Nihon Ganka Gakkai Zasshi   109 ( 8 )   497 - 503   2005年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)   出版者・発行元:日本眼科学会  

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  • Night blindness with depolarizing pattern of ON/OFF response in electroretinogram: A case report 査読

    T Usui, N Tanimoto, S Ueki, A Miki, M Takagi, S Hasegawa, H Abe

    DOCUMENTA OPHTHALMOLOGICA   111 ( 1 )   15 - 21   2005年7月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s10633-005-3158-1

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  • Ocular fundus images by scanning laser ophthalmoscopy in a patient with enhanced S-cone syndrome 査読

    T Usui, M Ichibe, N Tanimoto, S Ueki, M Takagi, S Hasegawa, H Abe, Y Miyagawa, M Nakazawa

    RETINA-THE JOURNAL OF RETINAL AND VITREOUS DISEASES   24 ( 6 )   946 - 952   2004年12月

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    DOI: 10.1097/00006982-200412000-00016

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  • [A case of acute angle-closure glaucoma secondary to annular ciliochoroidal detachment after unsutured cataract surgery] 査読

    Ueki S, Fukuchi T, Funaki S, Wakai M, Sawada H, Suda K, Tanaka Y, Nakatsue T, Ohta A, Hara H, Shirakashi M, Abe H

    Nihon Ganka Gakkai Zasshi   108 ( 4 )   219 - 225   2004年4月

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  • 無縫合白内障手術後の輪状毛様体脈絡膜剥離による急性閉塞隅角緑内障の1例 査読

    植木 智志, 大学院医歯学総合研究科生体機能調節医学専攻感覚統合医学講座視覚病態学分野, 福地 健郎, 船木 繁雄, 若井 美喜子, 澤田 英子, 須田 生英子, 田中 陽子, 中枝 智子, 太田 亜紀子, 原 浩昭, 白柏 基宏, 阿部 春樹

    日本眼科学会雑誌   108 ( 4 )   219 - 225   2004年4月

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  • ERG rod a-wave in Oguchi disease 査読

    T Usui, N Tanimoto, S Ueki, M Takagi, S Hasegawa, H Abe, K Sekiya, M Nakazawa

    VISION RESEARCH   44 ( 5 )   535 - 540   2004年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.visres.2003.06.003

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  • Mizuo phenomenon observed by scanning laser ophthalmoscopy in a patient with Oguchi disease 査読

    T Usui, M Ichibe, S Ueki, M Takagi, S Hasegawa, H Abe, K Sekiya, M Nakazawa

    AMERICAN JOURNAL OF OPHTHALMOLOGY   130 ( 3 )   359 - 361   2000年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/S0002-9394(00)00532-8

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  • 眼圧上昇を伴った甲状腺眼症 査読

    高木峰夫, 植木智志, 長谷川茂, 臼井知聡, 長谷部日, 三木淳司, 高田律子, 早川祐貴, 阿部春樹

    神経眼科   16 ( 3 )   331-336 - 336   1999年

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書籍等出版物

  • 視神経乳頭部の先天異常. 仁科幸子(編): 専門医のための眼科診療クオリファイ9 子どもの眼と疾患.

    植木智志( 担当: 単著)

    文光堂  2011年 

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    記述言語:日本語 著書種別:学術書

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  • 抗アクアポリン4抗体陽性視神経炎. 中馬秀樹(編): 専門医のための眼科診療クオリファイ7 視神経疾患のすべて.

    高木峰夫, 植木智志( 担当: 共著)

    文光堂  2011年 

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共同研究・競争的資金等の研究

  • 緑内障による構造と機能の変化はどのように患者のQOLを障害するのか?

    研究課題/領域番号:22K09764

    2022年4月 - 2025年3月

    制度名:科学研究費助成事業

    研究種目:基盤研究(C)

    提供機関:日本学術振興会

    福地 健郎, 赤木 忠道, 坂上 悠太, 五十嵐 遼子, 植木 智志, 奥田 修二郎

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    配分額:4160000円 ( 直接経費:3200000円 、 間接経費:960000円 )

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  • 活動時機能画像のエントロピー解析を用いた発達性読み書き障害の脳活動の解明研究

    研究課題/領域番号:20K20514

    2020年7月 - 2025年3月

    制度名:科学研究費助成事業

    研究種目:挑戦的研究(開拓)

    提供機関:日本学術振興会

    鈴木 雄治, 酒多 穂波, 小枝 達也, 渡辺 将樹, 植木 智志

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    配分額:25740000円 ( 直接経費:19800000円 、 間接経費:5940000円 )

    発達性読み書き障害(Dyslexia)は、主に音韻処理に関する特異的な発達障害を呈し、約
    2%弱の学童が困難な状況にあると報告されている。適切な早期治療介入の機会が増し一定の効果が見込めるようになったが、読字における脳活動の異常メカニズムは解明されていない為、より高次な学習である漢字の読字や書字に対する効果的な介入は困難な状況のまま残されている。
    本研究では、超高磁場MRI装置のもつ特性を最大限に利用した脳機能画像のエントロピー解析に着目し、安静時及び読書時における脳活動の解析方法の開発研究を進める。fMRIデータにはミクロな機能連結の状態を反映する情報が含まれており、信号時系列のエントロピー解析によってランダムネス(複雑さの度合い)を評価できる。7.0T-fMRIの高空間分解能及び高信号雑音比を最大限に活かした撮像方法を用いることにより、個々の到達レベルに合わせた「読み」といった複雑な活動時の脳機能の詳細な評価を可能にするものと考えている。
    我々が提唱する情報理論的観点からのエントロピー解析は、脳活動をダイナミックに捉え
    てDyslexia特有の脳活動の異常メカニズムの評価を行う試みで、これは世界で類のない独創性・新規性があり、そこから得られる研究結果はDyslexia 児のみならず学校教育をはじめとした社会全体に大きな影響をもたらすことが期待できる挑戦的な研究である。新たなる非侵襲的な解析方法の開発は、様々な医療介入に伴う異常活動部位やパターンの変化の検出に繋がり、Dyslexiaの客観的な診断方法の開発や効果判定のツールとなることが期待できる。これは、問題を抱える児童に適切な環境・医療介入を与えることに貢献し、さらなる社会的状況の困難さの回避を可能とする。

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  • 房水産生のメカニズムにおけるアクアポリンの役割―緑内障治療剤の開発を目指して―

    研究課題/領域番号:18K09441

    2018年4月 - 2021年3月

    制度名:科学研究費助成事業

    研究種目:基盤研究(C)

    提供機関:日本学術振興会

    植木 智志, Huber Vincent

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    配分額:4420000円 ( 直接経費:3400000円 、 間接経費:1020000円 )

    本研究は硝子体を経由し網膜に至る房水の経路におけるアクアポリン4(AQP4)の役割を明らかにした。AQP4ノックアウトマウスおよびコントロールマウスに大腿静脈から注入したH2(17)Oによる信号変化を観察する手法であるJJ vicinal coupling proton exchange MRIを行った。硝子体の信号変化はコントロール群に比べてAQP4ノックアウトマウス群で統計学的有意に大きく、マウスの大腿静脈に注入されたH2(17)Oは房水となり硝子体に流入し、AQP4ノックアウトマウスでは網膜のミュラー細胞のAQP4を介した硝子体から網膜内への水の流入が停滞している可能性が示唆された。

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