研究者詳細 - 小野寺　理

論文 - 小野寺　理

分割表示 492 件中 161 - 180 件目／全件表示 >>

Hemiplegic-type ALS: clinicopathological features of two autopsied patients. 国際誌

Makoto Sainouchi, Hidetomo Tanaka, Hiroshi Shimizu, Takuya Mashima, Takao Fukushima, Yuya Hatano, Tomohiko Ishihara, Kunihiko Makino, Osamu Onodera, Akiyoshi Kakita

Journal of neurology, neurosurgery, and psychiatry 92 ( 9 ) 1014 - 1016 2021年9月

[Rethinking Lacunar Stroke: Beyond Fisher's Curse].

Osamu Onodera, Masahiro Uemura, Shoichiro Ando, Hideki Hayashi, Masato Kanazawa

Brain and nerve = Shinkei kenkyu no shinpo 73 ( 9 ) 991 - 998 2021年9月

記述言語：日本語掲載種別：研究論文（学術雑誌）

Lipohyalinosis is an important concept in the independence of lacunar stroke; however, its role has been overemphasized and has led to much confusion in the understanding of lacunar stroke. Classical lipohyalinosis has declined following the widespread availability of antihypertensive therapy, and lacunar stroke secondary to age-related hyaline atherosclerosis is more commonly observed in clinical practice. Clinically diagnosed lacunar stroke is associated with several etiopathogenetic contributors. Excluding cardiogenic embolism, lacunar stroke can be categorized based on the detection of an atheroma. Atheroma imaging is possible in recent years, and strokes that are not associated with an atheroma are shown to present with deep white matter hyperintensity on MRI. Additionally, risk gene analysis has confirmed a group of risk genes associated with the extracellular matrix in lacunar stroke with white matter hyperintensity on MRI. These findings suggest the role of a variety of etiopathogenetic mechanisms underlying lacunar stroke and that lacunar stroke with deep white matter hyperintensity on MRI may be attributable to unique pathogenetic contributors. This group is known to be strongly associated with genetic contributors. Hopefully, lacunar stroke will be diagnosed from this perspective with the development of interventional strategies tailored to the pathogenesis of this condition.

DOI： 10.11477/mf.1416201876

PubMed

researchmap

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

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

PubMed

researchmap

軟口蓋ミオクローヌスに対する下顎アプローチによる超音波検査

小出眞悟, 今野卓哉, 柏木健太, 柴田健太郎, 柳村文寛, 徳武孝允, 堅田慎一, 小野寺理

臨床神経学 61 ( Suppl. ) S341 - S341 2021年9月

[A case of subcortical hemorrhage due to infective endocarditis caused by Staphylococcus warneri without fever and leukocytosis].

Tomone Taneda, Takuya Konno, Ayaka Ono, Takayoshi Tokutake, Osamu Onodera

Rinsho shinkeigaku = Clinical neurology 61 ( 8 ) 563 - 566 2021年8月

記述言語：日本語掲載種別：研究論文（学術雑誌）

A 50-year-old man with mitral regurgitation presented with right frontal subcortical hemorrhage. Although he had no fever and his white blood cell count was in the normal range, CT angiography demonstrated a micro cerebral aneurysm, and all three blood cultures were positive for Staphylococcus warneri (S. warneri). Thus, we diagnosed him with infective endocarditis. His condition improved successfully by immediate antibiotics and cerebral aneurysm clipping. S. warneri is a member of coagulase-negative staphylococci that are low-virulence and resident flora of the skin. S. warneri rarely causes infective endocarditis on native valves. Infective endocarditis caused by S. warneri manifests insidious course without inflammatory reactions such as fever and leukocytosis, and thus, diagnosis can be delayed. Attention should be paid to a patient who develops subcortical hemorrhage without a history of hypertension or inflammatory reactions as in this case.

DOI： 10.5692/clinicalneurol.cn-001613

PubMed

researchmap

Predictive markers based on transcriptome modules for vinorelbine-based adjuvant chemotherapy for lung adenocarcinoma patients. 国際誌

Shoko Nakasone, Ayako Suzuki, Hitomi Okazaki, Keiichi Onodera, Junko Zenkoh, Genichiro Ishii, Yutaka Suzuki, Masahiro Tsuboi, Katsuya Tsuchihara

Lung cancer (Amsterdam, Netherlands) 158 115 - 125 2021年8月

記述言語：英語掲載種別：研究論文（学術雑誌）

OBJECTIVES: Microtubule inhibitors (MTIs) are widely used as anti-cancer drugs for various types of tumors. Vinorelbine, an MTI, is utilized in postoperative adjuvant chemotherapy, especially for lung adenocarcinoma. However, no molecular markers are able to identify patients for whom MTIs would be effective. In this study, we attempted to identify practical markers to predict the efficacy of MTI-based adjuvant chemotherapy. MATERIALS AND METHODS: We explored a novel combination of molecular marker candidates, based on gene expression network analysis constructed using an omics panel of 26 lung adenocarcinoma cell lines. We then applied the obtained classification method to predict the efficacy of MTI treatment in patients who received adjuvant chemotherapy. RNA sequencing (RNA-seq) analysis was conducted using surgical specimens from 24 Japanese lung adenocarcinoma patients treated postoperatively with vinorelbine. RESULTS: We identified four modules within the network with module activities that were significantly associated with sensitivity to MTIs. Two modules were associated with high sensitivity to MTIs: genes with low differentiation or transdifferentiation of lung adenocarcinomas. On the other hand, MTI-low sensitivity modules were enriched in common epithelial genes and markers of well-differentiated lung adenocarcinomas. We also classified lung adenocarcinoma cases using the module activities associated with MTI efficacy and stratify the cases with MTI resistance. CONCLUSION: We demonstrate that the constructed classification method is useful for identifying patients with MTI resistance which results in a high risk of cancer relapse.

DOI： 10.1016/j.lungcan.2021.06.011

PubMed

researchmap

Immunological abnormalities in patients with early-onset ataxia with ocular motor apraxia and hypoalbuminemia. 国際誌

Tamaki Kato, Yoshiteru Tamura, Hiroshi Matsumoto, Osamu Kobayashi, Hideaki Ishiguro, Masaya Ogawa, Koyo Tsujikawa, Yasuhiro Hasegawa, Mitsuhiro Sakamoto, Masaaki Konagaya, Hideki Houzen, Masatoshi Takagi, Kohsuke Imai, Tomohiro Morio, Akio Yokoseki, Osamu Onodera, Shigeaki Nonoyama

Clinical immunology (Orlando, Fla.) 229 108776 - 108776 2021年8月

記述言語：英語掲載種別：研究論文（学術雑誌）

Early-onset ataxia with ocular motor apraxia and hypoalbuminemia (EAOH) is a neurodegenerative disorder caused by mutation in the aprataxin (APTX)-coding gene APTX, which is involved in DNA single-strand break repair (SSBR). The neurological abnormalities associated with EAOH are similar to those observed in patients with ataxia-telangiectasia. However, the immunological abnormalities in patients with EAOH have not been described. In this study, we report that EAOH patients have immunological abnormalities, including lymphopenia; decreased levels of CD4+ T-cells, CD8+ T-cells, and B-cells; hypogammaglobulinemia; low T-cell recombination excision circles and kappa-deleting element recombination circles; and oligoclonality of T-cell receptor β-chain variable repertoire. These immunological abnormalities vary among the EAOH patients. Additionally, mild radiosensitivity in the lymphocytes obtained from the patients with EAOH was demonstrated. These findings suggested that the immunological abnormalities and mild radiosensitivity evident in patients with EAOH could be probably caused by the DNA repair defects.

DOI： 10.1016/j.clim.2021.108776

PubMed

researchmap

Pyloric-gland metaplasia may be an origin of cancer and intestinal metaplasia with possible CDX2 expression. 国際誌

Kazuyoshi Yagi, Atsunori Tsuchiya, Satoru Hashimoto, Taisuke Kato, Osamu Onodera, Shuji Terai

Gastroenterology report 9 ( 4 ) 370 - 373 2021年8月

The optineurin/TIA1 pathway inhibits aberrant stress granule formation and reduces ubiquitinated TDP-43. 国際誌

Taichi Kakihana, Masahiko Takahashi, Yoshinori Katsuragi, Shun-Ichi Yamashita, Junya Sango, Tomotake Kanki, Osamu Onodera, Masahiro Fujii

iScience 24 ( 7 ) 102733 - 102733 2021年7月

記述言語：英語掲載種別：研究論文（学術雑誌）

Amyotrophic lateral sclerosis (ALS) is a degenerative motor neuron disease characterized by the formation of cytoplasmic ubiquitinated TDP-43 protein aggregates in motor neurons. Stress granules (SGs) are stress-induced cytoplasmic protein aggregates containing various neuropathogenic proteins, including TDP-43. Several studies have suggested that SGs are the initial site of the formation of pathogenic ubiquitinated TDP-43 aggregates in ALS neurons. Mutations in the optineurin (OPTN) and TIA1 genes are causative factors of familial ALS with TDP-43 aggregation pathology. We found that both OPTN depletion and ALS-associated OPTN mutations upregulated the TIA1 level in cells recovered from heat shock, and this upregulated TIA1 increased the amount of ubiquitinated TDP-43. Ubiquitinated TDP-43 induced by OPTN depletion was localized in SGs. Our study suggests that ALS-associated loss-of-function mutants of OPTN increase the amount of ubiquitinated TDP-43 in neurons by increasing the expression of TIA1, thereby promoting the aggregation of ubiquitinated TDP-43.

DOI： 10.1016/j.isci.2021.102733

PubMed

researchmap

Correction to: A novel splicing variant of ANXA11 in a patient with amyotrophic lateral sclerosis: histologic and biochemical features. 国際誌

Makoto Sainouchi, Yuya Hatano, Mari Tada, Tomohiko Ishihara, Shoichiro Ando, Taisuke Kato, Jun Tokunaga, Gaku Ito, Hiroaki Miyahara, Yasuko Toyoshima, Akio Yokoseki, Tetsutaro Ozawa, Kohei Akazawa, Osamu Onodera, Akiyoshi Kakita

Acta neuropathologica communications 9 ( 1 ) 115 - 115 2021年6月

A novel splicing variant of ANXA11 in a patient with amyotrophic lateral sclerosis: histologic and biochemical features. 国際誌

Acta neuropathologica communications 9 ( 1 ) 106 - 106 2021年6月

Selective Synthesis of Acylated Cross-Benzoins from Acylals and Aldehydes via N-Heterocyclic Carbene Catalysis. 国際誌

Kou Onodera, Ryo Takashima, Yumiko Suzuki

Organic letters 23 ( 11 ) 4197 - 4202 2021年6月

記述言語：英語掲載種別：研究論文（学術雑誌）

The utility of acylals as building blocks for selective cross-benzoin synthesis was explored in this study. The synthesis of α-acetoxyketones (O-acyl cross-benzoins) was achieved via selective N-heterocyclic carbene-catalyzed cross-benzoin reactions using acylals as aldehyde equivalents. Thus, the combination of ortho-substituted phenyl acylals and aromatic/aliphatic aldehydes as coupling substrates using bicyclic triazolium salts as precatalysts and potassium carbonate as a base in THF at reflux temperature selectively yielded O-acyl cross-benzoins.

DOI： 10.1021/acs.orglett.1c01134

PubMed

researchmap

Cytosolic dsDNA of mitochondrial origin induces cytotoxicity and neurodegeneration in cellular and zebrafish models of Parkinson's disease. 国際誌

Hideaki Matsui, Junko Ito, Noriko Matsui, Tamayo Uechi, Osamu Onodera, Akiyoshi Kakita

Nature communications 12 ( 1 ) 3101 - 3101 2021年5月

記述言語：英語掲載種別：研究論文（学術雑誌）

Mitochondrial dysfunction and lysosomal dysfunction have been implicated in Parkinson's disease (PD), but the links between these dysfunctions in PD pathogenesis are still largely unknown. Here we report that cytosolic dsDNA of mitochondrial origin escaping from lysosomal degradation was shown to induce cytotoxicity in cultured cells and PD phenotypes in vivo. The depletion of PINK1, GBA and/or ATP13A2 causes increases in cytosolic dsDNA of mitochondrial origin and induces type I interferon (IFN) responses and cell death in cultured cell lines. These phenotypes are rescued by the overexpression of DNase II, a lysosomal DNase that degrades discarded mitochondrial DNA, or the depletion of IFI16, which acts as a sensor for cytosolic dsDNA of mitochondrial origin. Reducing the abundance of cytosolic dsDNA by overexpressing human DNase II ameliorates movement disorders and dopaminergic cell loss in gba mutant PD model zebrafish. Furthermore, IFI16 and cytosolic dsDNA puncta of mitochondrial origin accumulate in the brain of patients with PD. These results support a common causative role for the cytosolic leakage of mitochondrial DNA in PD pathogenesis.

DOI： 10.1038/s41467-021-23452-x

PubMed

researchmap

Differences in the isotopic signature of activated sludge in four types of advanced treatment processes at a municipal wastewater treatment plant. 国際誌

Takashi Onodera, Kazuhiro Komatsu, Ayato Kohzu, Gen Kanaya, Motoyuki Mizuochi, Kazuaki Syutsubo

Journal of environmental management 286 112264 - 112264 2021年5月

記述言語：英語掲載種別：研究論文（学術雑誌）

The natural abundance of stable isotopes is a powerful tool for evaluating biological reactions and process conditions. However, there are few stable isotope studies on the wastewater treatment process. This study carried out the first investigation on variations in natural abundance of carbon and nitrogen stable isotope ratios (δ13C and δ15N) of activated sludge in four types of advanced treatment process (extended aeration activated sludge (EAAS), aerobic-anoxic-aerobic (A2O), recycled nitrification-denitrification (RND), and modified Bardenpho (MB)) at a municipal wastewater treatment plant. The δ13C and δ15N values of influent suspended solids settled in the primary sedimentation tank (i.e., primary sludge) ranged from -25.4‰ to -24.6‰ and 0.5‰-2.9‰, respectively, during monitoring periods. The δ13C values of the activated sludge were -24.6‰ to -23.6‰ (EAAS), -25.4‰ to -24.3‰ (A2O), -25.7‰ to -24.9‰ (RND), and -25.7‰ to -24.3‰ (MB). The δ13C values of the activated sludge were similar to those of influent suspended solids. However, the δ13C values of activated sludge in EAAS was significantly higher than in A2O, RND, and MB. Meanwhile, the δ15N values of activated sludge were obviously higher than influent suspended solids; 5.8‰-7.5‰ (EAAS), 6.6‰-8.1‰ (A2O), 5.5‰-7.5‰ (RND), and 5.3‰-7.6‰ (MB). Changes in δ13C and δ15N values of the activated sludge within the treatment system were also found. These findings indicate that changes in δ13C and δ15N values of the activated sludge rely on important function for biological wastewater treatment such as nitrification, denitrification, and methane oxidation through wastewater treatment over time.

DOI： 10.1016/j.jenvman.2021.112264

PubMed

researchmap

Evaluation of stable isotope ratios (δ15N and δ18O) of nitrate in advanced sewage treatment processes: Isotopic signature in four process types. 国際誌

Takashi Onodera, Kazuhiro Komatsu, Ayato Kohzu, Gen Kanaya, Motoyuki Mizuochi, Kazuaki Syutsubo

The Science of the total environment 762 144120 - 144120 2021年3月

記述言語：英語掲載種別：研究論文（学術雑誌）

Stable isotope ratios of nitrate are a powerful tool to evaluate aquatic environment stress from treated and untreated sewage. However, there is generally a lack of knowledge on the change in stable isotope ratios within wastewater treatment plants. We investigated nitrogen and oxygen stable isotope ratios (δ15N and δ18O) of nitrate in four types of advanced treatment processes operated in parallel; (A) extended aeration activated sludge, (B) anaerobic-anoxic-aerobic (A2O), (C) recycled nitrification-denitrification, and (D) modified Bardenpho. The results exhibited spatial variation of δ15N and δ18O for nitrate within the treatment steps. The changes in δ15N and δ18O may result from the reactor conditions (aerobic, anoxic, and anaerobic) and the order of these processes. As decreasing nitrate concentration in the anoxic stages, the δ15N/δ18O ratio for nitrate increased at a rate of 1.3 to 1.6 coupling with the reduction in the nitrate concentration in the anoxic stages. The δ15N and δ18O signatures were attributed to process performance in regard to nitrogen removal. In particular, the modified Bardenpho process has higher nitrogen removal efficiency over other processes, producing effluent with lower nitrate concentration and higher stable isotopes (δ15N: 23.6 to 25.5‰, δ18O: 2.8 to 4.5‰). We concluded that the stable isotope signatures mirrored the treatment efficiency and effluent characteristics.

DOI： 10.1016/j.scitotenv.2020.144120

PubMed

researchmap

Heterozygous Cysteine-sparing NOTCH3 Variant p.Val237Met in a Japanese Patient with Suspected Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy: A Case Report.

Yuya Kano, Ikuko Mizuta, Akihiko Ueda, Hiroaki Nozaki, Keita Sakurai, Osamu Onodera, Yukio Ando, Kentaro Yamada, Hiroyuki Yuasa, Toshiki Mizuno

Internal medicine (Tokyo, Japan) 60 ( 15 ) 2479 - 2482 2021年3月

記述言語：英語掲載種別：研究論文（学術雑誌）

A 64-year-old Japanese man with recurrent cerebral ischemic events and cognitive impairment was suspected of having cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) because of a family history and brain magnetic resonance imaging findings of cerebral white matter hyperintensities. The cysteine-sparing variation p.Val237Met was identified in NOTCH3. An intensive skin biopsy showed negative results (no granular osmiophilic material or positive NOTCH3 immunostaining), suggesting that the patient's definite diagnosis and pathogenicity of p.Val237Met were uncertain. We additionally reviewed previous reports of two Japanese families with p.Val237Met.

DOI： 10.2169/internalmedicine.6096-20

PubMed

researchmap

Progressive micrographia without parkinsonism caused by autoimmune brainstem encephalitis: A case report. 国際誌

Ryutaro Hanyu, Masahiro Hatakeyama, Masaki Namekawa, Yutaka Otsu, Mayura Sukegawa, Hiromi Hashida, Izumi Kawachi, Masato Kanazawa, Osamu Onodera

Clinical neurology and neurosurgery 202 106496 - 106496 2021年3月

頸椎除圧術後の上肢型筋萎縮索硬化症の臨床経過

五十嵐哲也, 渡辺慶, 大橋正幸, 川島寛之, 三瓶一弘, 五十嵐修一, 黒羽泰子, 小池亮子, 石原智彦, 大津裕, 小野寺理

日本整形外科学会雑誌 95 ( 2 ) S112 - S112 2021年3月

Genetic Variations and Neuropathologic Features of Patients With PRKN Mutations. 国際誌

Naohiko Seike, Akio Yokoseki, Ryoko Takeuchi, Kento Saito, Hiroaki Miyahara, Akinori Miyashita, Tetsuhiko Ikeda, Izumi Aida, Takashi Nakajima, Masato Kanazawa, Masatoshi Wakabayashi, Yasuko Toyoshima, Hitoshi Takahashi, Riki Matsumoto, Tatsushi Toda, Osamu Onodera, Atsushi Ishikawa, Takeshi Ikeuchi, Akiyoshi Kakita

Movement disorders : official journal of the Movement Disorder Society 36 ( 7 ) 1634 - 1643 2021年2月

記述言語：英語掲載種別：研究論文（学術雑誌）

BACKGROUND: Mutations in PRKN are the most common cause of autosomal recessive juvenile parkinsonism. The objective of this study was to investigate the association between genotype and pathology in patients with PRKN mutations. METHODS: We performed a sequence and copy number variation analysis of PRKN, mRNA transcripts, Parkin protein expression, and neuropathology in 8 autopsied patients. RESULTS: All the patients harbored biallelic PRKN mutations. Two patients were homozygous and heterozygous, respectively, for the missense mutation p.C431F. Seven patients had exon rearrangements, including 2 patients from a single family who harbored a homozygous deletion of exon 4, and 3 patients who carried a homozygous duplication of exons 6-7, a homozygous duplication of exons 10-11, and a heterozygous duplication of exons 2-4. In the other 2 patients, we found a compound heterozygous duplication of exon 2, deletion of exon 3, and a heterozygous duplication of exon 2. However, sequencing of cDNA prepared from mRNA revealed 2 different transcripts derived from triplication of exon 2 and deletion of exons 2-3 and from duplication of exons 2-4 and deletion of exons 3-4. Western blotting and immunohistochemistry revealed faint or no expression of Parkin in their brains. In the substantia nigra pars compacta, a subfield-specific pattern of neuronal loss and mild gliosis were evident. Lewy bodies were found in 3 patients. Peripheral sensory neuronopathy was a feature. CONCLUSIONS: Genomic and mRNA analysis is needed to identify the PRKN mutations. Variable mutations may result in no or little production of mature Parkin and the histopathologic features may be similar.

DOI： 10.1002/mds.28521

PubMed

researchmap

Corrigendum: HTRA1 Mutations Identified in Symptomatic Carriers Have the Property of Interfering the Trimer-Dependent Activation Cascade. 国際誌

Masahiro Uemura, Hiroaki Nozaki, Akihide Koyama, Naoko Sakai, Shoichiro Ando, Masato Kanazawa, Taisuke Kato, Osamu Onodera

Frontiers in neurology 12 756038 - 756038 2021年

　前のページ - 次のページ　

<小野寺 理>

論文 - 小野寺 理

<小野寺　理>

論文 - 小野寺　理