Publications by authors named "Ishida T"

Background And Aim: The suspensory strategy, a method for controlling postural balance in the vertical direction of the center of mass (COM), is considered by the elderly as a means of balance control. The vertical COM control might alter the sensory integration and regularity of postural sway, which in turn impacts balance. However, to date, this was not confirmed.

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  • Resistance exercise helps patients with lower extremity arterial disease, and this study investigates how muscle-derived exosomes, specifically those containing microRNAs (miRNAs), may encourage blood vessel formation in endothelial cells.* -
  • Using a unique mouse model with induced muscle growth, researchers found that certain miRNAs, particularly miR206, increased significantly in the serum of these mice and were linked to enhanced angiogenic signaling pathways.* -
  • The study concludes that the upregulated exosomal miR206 from growing muscle can promote angiogenesis in endothelial cells, suggesting its potential role in improving blood flow in related medical issues.*
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Not all patients with ulcerative colitis (UC) respond initially to treatment with biologic agents, and predicting their efficacy prior to treatment is difficult. Vedolizumab, a humanized monoclonal antibody against alpha 4 beta 7 (α4β7) integrin, suppresses immune cell migration by blocking the interaction between α4β7 integrin and mucosal addressin cell adhesion molecule 1. Reports about histological features that predict vedolizumab efficacy are scarce.

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Ascorbate plays an indispensable role in plants, functioning as both an antioxidant and a cellular redox buffer. It is widely acknowledged that the ascorbate biosynthesis in the photosynthetic tissues of land plants is governed by light-mediated regulation of the D-mannose/L-galactose (D-Man/L-Gal) pathway. At the core of this light-dependent regulation lies the VTC2 gene, encoding the rate-limiting enzyme GDP-L-Gal phosphorylase.

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Conventional clip closure of mucosal defects after duodenal endoscopic submucosal dissection decreases the incidence of delayed adverse events, but may result in incomplete closure, depending on size or location. This study aimed to assess the effectiveness of the underwater clip closure method for complete duodenal defect closure without the difficulties associated with conventional closure methods. We investigated 19 patients with 20 lesions who underwent endoscopic submucosal dissection of the duodenum and subsequent mucosal defect closure in underwater conditions at our facility between February 2021 and January 2022.

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  • Diabetes increases the risk of heart failure (HF), and the metabolite 3-hydroxyisobutyric acid (3-HIB) may indicate insulin resistance in patients with chronic HF.
  • A study of 784 patients found higher serum 3-HIB levels in those with diabetes, and its concentrations were linked to worse cardiovascular outcomes, particularly in non-diabetic HF patients.
  • High levels of 3-HIB were identified as independent predictors of cardiovascular death and HF hospitalization in non-diabetic patients, suggesting it may be a significant marker for assessing HF prognosis.
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Background And Aims: Perforation during esophageal endoscopic submucosal dissection (ESD) typically results from electrical damage. However, there are cases in which perforation occurs because of segmental absence of intestinal musculature (SAIM) without iatrogenic muscular injury. We investigated the occurrence rate and clinical course of SAIM during esophageal ESD.

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Omitted stimulus potentials (OSPs) occur when a sensory stimulus is unexpectedly omitted. They are thought to reflect predictions about upcoming sensory events. The present study examined how OSPs differ across the sensory modalities of predicted stimuli.

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Background: Tsukamurella spp. are obligate aerobic, gram-positive, non-motile, and slightly acid-fast bacilli belonging to the Actinomycetes family. They share many characteristics with Nocardia, Rhodococcus, Gordonia, and the rapidly growing Mycobacterium species.

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Polyethylene glycol (PEG) is a versatile polymer that is used in numerous pharmaceutical applications like the food industry, a wide range of disinfectants, cosmetics, and many commonly used household products. PEGylation is the term used to describe the covalent attachment of PEG molecules to nanocarriers, proteins and peptides, and it is used to prolong the circulation half-life of the PEGylated products. Consequently, PEGylation improves the efficacy of PEGylated therapeutics.

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  • The study investigated the effectiveness and safety of endoscopic full-thickness resection (EFTR) for treating gastric submucosal tumors (SMT), particularly gastrointestinal stromal tumors (GIST), in Japan.
  • A total of 46 patients were enrolled, and all achieved a 100% complete endoscopic resection rate, with the procedure performed without the need for surgical interventions, although one patient experienced a delayed perforation.
  • The results suggest that EFTR is a promising treatment for 11-30 mm gastric SMT, and further research is needed to assess long-term outcomes in a larger cohort.
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  • The study aimed to compare shoulder kinematics and muscle activities during axial rotation in standing vs. supine positions among healthy males using advanced imaging and EMG techniques.
  • Results showed that while scapular movements were similar between the two positions, there were notable differences in scapular tilt and acromiohumeral distance during the supine posture.
  • The findings highlight the importance of posture in shoulder therapy and rehabilitation, suggesting that it could influence treatment plans for shoulder disorders.
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Background: Preprocedural detection of the running course of the right pericardiophrenic bundles (PBs) is considered to be useful in preventing phrenic nerve (PN) injury during catheter ablation for atrial fibrillation (AF). However, previous studies using the arterial phase of contrast-enhanced computed tomography (CT) reported a relatively low right PBs detection rate.

Methods: This study included 63 patients with AF who underwent catheter ablation and preoperative contrast-enhanced CT imaging of the venous and arterial phases (66.

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Accurate prediction of protein stability upon a point mutation has important applications in drug discovery and personalized medicine. It remains a challenging issue in computational biology. Existing computational prediction methods, which range from mechanistic to supervised learning approaches, have experienced limited progress over the last few decades.

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Afterglow room-temperature emission that is independent of autofluorescence after ceasing excitation is a promising technology for state-of-the-art bioimaging and security devices. However, the low brightness of the afterglow emission is a current limitation for using such materials in a variety of applications. Herein, the continuous formation of condensed triplet excitons for brighter afterglow room-temperature phosphorescence is reported.

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  • * The study focused on evaluating the prognostic significance of MRD in patients using a new 7NB-mRNAs droplet digital PCR assay, which assesses specific neuroblastoma-related mRNAs.
  • * Conducted by the Japan Children's Cancer Group, the research involved 7 HR-NB patients and found that both bone marrow (BM-MRD) and peripheral blood (PB-MRD) tests had significant accuracy in predicting disease progression, with area under curve (AUC) values exceeding 0.7.
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Genetic engineering of human lymphocytes for therapeutic applications is constrained by a lack of transgene transcriptional control, resulting in a compromised therapeutic index. Incomplete understanding of transcriptional logic limits the rational design of contextually responsive genetic modules1. Here, we juxtaposed rationally curated transcriptional response element (TRE) oligonucleotides by random concatemerization to generate a library from which we selected context-specific inducible synthetic promoters (iSynPros).

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  • H. pylori is a known carcinogen linked to gastric cancer, and while eradicating it lowers GC risk, cases of recurrence still occur.
  • This study aimed to explore the link between gastric mucosa-associated microbiota (G-MAM) and early gastric cancer (EGC) in patients who successfully got rid of H. pylori at least 5 years prior.
  • Results showed significant differences in certain microbial populations between patients with EGC and those without, suggesting that changes in G-MAM may play a role in cancer development even after H. pylori has been eradicated.
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Background And Objective: Several endoscopic resection methods have been developed as less invasive treatments for superficial non-ampullary duodenal epithelial tumours. This study aimed to compare outcomes of conventional endoscopic mucosal resection and underwater endoscopic mucosal resection for superficial non-ampullary duodenal epithelial tumours, including resection depth and rate of the muscularis mucosa contained under the lesion.

Methods: This single-centre retrospective cohort study conducted from January 2009 to December 2021 enrolled patients who underwent conventional endoscopic mucosal resection and underwater endoscopic mucosal resection for superficial non-ampullary duodenal epithelial tumours and investigated their clinicopathological outcomes using propensity score matching.

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Cause of Kawasaki disease (KD) is unknown. KD is often resistant to treatment with intravenous immunoglobulin (IVIG). Sano's score, which is derived from total bilirubin (TBIL), aspartate aminotransferase (AST) and C-reactive protein (CRP), is predictive of IVIG resistance in Japan.

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Optimizing processes and materials for the valorization of CO to hydrogen carriers or platform chemicals is a key step for mitigating global warming and for the sustainable use of renewables. We report here on the hydrogenation of CO in water on ZnO-supported CuAu nanoalloys, based on ≤7 mol % Au. Cu Au /ZnO catalysts were characterized using Au Mössbauer, in situ X-ray absorption (Au L - and Cu K-edges), and ambient pressure X-ray photoelectron (APXP) spectroscopic methods together with X-ray diffraction and high-resolution electron microscopy.

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It remains unclear which adjunctive drug for Parkinson's disease (PD) in combination with levodopa is more effective, tolerable, and safe. We aimed to compare the efficacy, tolerability, and safety among anti-PD drugs from several classes in patients with fluctuating PD who received levodopa through network meta-analysis (NMA). Twelve anti-PD drugs belonging to 4 different drug classes (dopamine agonists, monoamine oxidase type B inhibitors, catechol-O-methyl transferase inhibitors, and an adenosine A2A receptor antagonist) were selected.

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