897 results match your criteria: "Japan H.H.; and Fukuoka Renal Clinic[Affiliation]"

Virtual thin-slice (VTS) technique is a generative adversarial network-based algorithm that can generate virtual 1-mm-thick CT images from images of 3-10-mm thickness. We evaluated the performance of VTS technique for assessment of the spine. VTS was applied to 4-mm-thick CT images of 73 patients, and the visibility of intervertebral spaces was evaluated on the 4-mm-thick and VTS images.

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Background: There is a plethora of real-world data on the safety and effectiveness of direct-acting oral anticoagulants (DOACs); however, study heterogeneity has contributed to inconsistent findings. We compared the effectiveness and safety of apixaban with those of other direct-acting oral anticoagulants (DOACs) and vitamin K antagonists (VKA e.g.

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Diagnosing Premotor Multiple System Atrophy: Natural History and Autonomic Testing in an Autopsy-Confirmed Cohort.

Neurology

September 2022

From the Autonomic Unit (E.V., F.V., S.K., J.N.-O., V.I.), National Hospital for Neurology and Neurosurgery, Queen Square; Department of Brain Repair and Rehabilitation (E.V., S.K., J.P., C.M., V.I.), Reta Lila Weston Institute for Neurological Studies (E.D.P.-F., N.Q., Y.M., J.H., T.W.), and Queen Square Brain Bank for Neurological Disorders (E.D.P.-F., N.Q., Y.M., J.H., T.W.), UCL Queen Square Institute of Neurology; Department of Uro Neurology (J.P.), National Hospital for Neurology and Neurosurgery; Department of Clinical and Movement Neuroscience (V.C., H.H.), and Department of Neuromuscular Diseases (Y.M.), UCL Institute of Neurology, Queen Square, London, United Kingdom; Service of Neurology (H.M., K.B.), Hospital Clinic, Barcelona, Spain and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS); Department of Neuropathology (J.N.-O.), Institute of Brain Science, Hirosaki University Graduate School of Medicine, Japan; and The Lindo Wing (C.M.), Imperial College Healthcare NHS Trust, St Mary's Hospital, London, United Kingdom.

Background And Objectives: Nonmotor features precede motor symptoms in many patients with multiple system atrophy (MSA). However, little is known about differences between the natural history, progression, and prognostic factors for survival in patients with MSA with nonmotor vs motor presentations. We aimed to compare initial symptoms, disease progression, and clinical features at final evaluation and investigate differences in survival and natural history between patients with MSA with motor and nonmotor presentations.

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Combining heteronuclear correlation NMR with spin-diffusion to detect relayed Cl-H-H and N-H-H proximities in molecular solids.

Solid State Nucl Magn Reson

August 2022

University of Lille, CNRS, Centrale Lille Institut, Univ. Artois, UMR 8181-UCCS- Unité de Catalyse et Chimie du Solide, F, 59000, Lille, France. Electronic address:

Analysis of short-to-intermediate range intermolecular interactions offers a great way of characterizing the solid-state organization of small molecules and materials. This can be achieved by two-dimensional (2D) homo- and heteronuclear correlation NMR spectroscopy, for example, by carrying out experiments at high magnetic fields in conjunction with fast magic-angle spinning (MAS) techniques. But, detecting 2D peaks for heteronuclear dipolar coupled spin pairs separated by greater than 3 Å is not always straightforward, particularly when low-gamma quadrupolar nuclei are involved.

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Deep Learning-based Post Hoc CT Denoising for Myocardial Delayed Enhancement.

Radiology

October 2022

From the Department of Radiology, National Cerebral and Cardiovascular Center, 6-1 Kishibe-shinmachi, Suita 564-8565, Japan (T.N., T.K., H.T., A.K., Y.O., Y.M., H.H., T.F.); Department of Medical Physics and Engineering, Graduate School of Medicine, Osaka University, Suita, Japan (T.K., K.U., J.O., T.I.); Medical Informatics Section, QST Hospital (K.U., J.O.), and Applied MRI Research, Department of Molecular Imaging and Theranostics, Institute for Quantum Medical Science (K.U., J.O.), National Institutes for Quantum Science and Technology, Chiba, Japan.

Background To improve myocardial delayed enhancement (MDE) CT, a deep learning (DL)-based post hoc denoising method supervised with averaged MDE CT data was developed. Purpose To assess the image quality of denoised MDE CT images and evaluate their diagnostic performance by using late gadolinium enhancement (LGE) MRI as a reference. Materials and methods MDE CT data obtained by averaging three acquisitions with a single breath hold 5 minutes after the contrast material injection in patients from July 2020 to October 2021 were retrospectively reviewed.

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The success of glucagon-like peptide-1 (GLP-1) receptor agonists to treat type 2 diabetes (T2D) and obesity has sparked considerable efforts to develop next-generation co-agonists that are more effective. We conducted a randomised, placebo-controlled phase 1b study (ClinicalTrials.gov: NCT04466904) to evaluate the safety and efficacy of IBI362 (LY3305677), a GLP-1 and glucagon receptor dual agonist, in Chinese patients with T2D.

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Article Synopsis
  • Reduced glomerular filtration rate (GFR) is a precursor to kidney failure, influenced by factors like genetics and diabetes (DM), but the interaction between these factors is not well understood.
  • A large-scale genome-wide association study (GWAS) analyzed eGFR across almost 1.5 million individuals, revealing distinct genetic loci that differ between those with and without diabetes.
  • The findings identified potential new targets for drug development aimed at protecting kidney function, highlighting that many drug interventions could be effective for both diabetic and non-diabetic populations.
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PGE-EP2/EP4 signaling elicits immunosuppression by driving the mregDC-Treg axis in inflammatory tumor microenvironment.

Cell Rep

June 2022

Department of Drug Discovery Medicine, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan; Alliance Laboratory for Advanced Medical Research, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan; AMED-FORCE, Japan Agency for Medical Research and Development, Chiyoda, Tokyo 100-0004, Japan. Electronic address:

Active inflammation generally promotes immune activation. However, in the tumor microenvironment (TME), active inflammation occurs in parallel with immunosuppression, and both contribute to tumor growth. Why inflammation does not lead to immune activation in TME remains unclear.

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Deposition of heparan sulfate (HS) in the brain of patients with mucopolysaccharidosis II (MPS II) is believed to be the leading cause of neurodegeneration, resulting in several neurological signs and symptoms, including neurocognitive impairment. We recently showed that pabinafusp alfa, a blood-brain-barrier-penetrating fusion protein consisting of iduronate-2-sulfatase and anti-human transferrin receptor antibody, stabilized learning ability by preventing the deposition of HS in the CNS of MPS II mice. We further examined the dose-dependent effect of pabinafusp alfa on neurological function in relation to its HS-reducing efficacy in a mouse model of MPS II.

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Article Synopsis
  • A study was conducted to analyze bile acids (BAs) in both blood and stool of patients with nonalcoholic fatty liver disease (NAFLD) compared to healthy participants, as previous reports on this were lacking.
  • The research involved 287 participants, with samples collected to measure various BAs and a marker for BA synthesis across different levels of fibrosis.
  • Findings showed that both fecal and serum BAs were significantly higher in NAFLD patients, especially those with worse fibrosis, indicating that abnormal BA metabolism may contribute to the progression of NAFLD and could be targeted for therapy.
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Article Synopsis
  • - Current treatments for hepatitis B virus (HBV) do not effectively remove its DNA form (cccDNA), but researchers are exploring the use of the CRISPR/Cas9 system to target and reduce cccDNA levels.
  • - The study found that inhibiting DNA repair processes, particularly those handled by PARP2 and DNA Ligase 4, can enhance the effectiveness of CRISPR in reducing HBV replication markers in infected liver cells.
  • - Additionally, using the PARP inhibitor olaparib further boosted the effectiveness of CRISPR by lowering levels of HBV-related RNA and cccDNA, highlighting a potential new combination therapy for HBV.
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As-electrospun microfiber mats comprising atactic polystyrene (aPS), a low-cost commodity polymer, have demonstrated beneficial electromechanical properties. However, the variability of the electromechanical properties of fiber mats produced using different electrospinning conditions has not been investigated. Therefore, herein, the direct electromechanical properties of aPS fiber mats produced using different deposition times () and electrospinning voltages () are investigated.

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Endothelial Cell TGF-β (Transforming Growth Factor-Beta) Signaling Regulates Venous Adaptive Remodeling to Improve Arteriovenous Fistula Patency.

Arterioscler Thromb Vasc Biol

July 2022

Vascular Biology and Therapeutics Program (R.T., Y.O., H.H., L.G., W.Z., J.L., Y.M., B.Y., G.T., A.D.), Yale School of Medicine, New Haven, CT.

Background: Arteriovenous fistulae (AVF) are the gold standard for vascular access for hemodialysis. Although the vein must thicken and dilate for successful hemodialysis, excessive wall thickness leads to stenosis causing AVF failure. Since TGF-β (transforming growth factor-beta) regulates ECM (extracellular matrix) deposition and smooth muscle cell (SMC) proliferation-critical components of wall thickness-we hypothesized that disruption of TGF-β signaling prevents excessive wall thickening during venous remodeling.

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First-Line Catheter Ablation of Monomorphic Ventricular Tachycardia in Cardiomyopathy Concurrent With Defibrillator Implantation: The PAUSE-SCD Randomized Trial.

Circulation

June 2022

Fuwai Hospital, Arrhythmia Center, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing (L.S., E.L., Y.Y.).

Article Synopsis
  • - The study investigates whether catheter ablation as a first-line treatment for ventricular tachycardia (VT) during implantable cardioverter defibrillator (ICD) implantation is more effective than standard medical therapy plus ICD in patients with cardiomyopathy.
  • - The trial involved 180 patients and found that those in the ablation group showed lower recurrence rates of VT and required fewer ICD shocks compared to the control group over an average follow-up period of 31 months.
  • - Results suggest that early ablation may offer significant benefits in reducing VT recurrence and hospitalizations for patients with nonischemic cardiomyopathy, potentially filling a current gap in clinical guidelines.
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EBV genome variations enhance clinicopathological features of nasopharyngeal carcinoma in a non-endemic region.

Cancer Sci

July 2022

Division of Otolaryngology and Head and Neck Surgery, Graduate School of Medical Science, Kanazawa University, Kanazawa, Japan.

Nasopharyngeal carcinoma (NPC) is caused by infection with Epstein-Barr virus (EBV) and endemic in certain geographic regions. EBV lytic gene, BALF2, closely associates with viral reactivation and BALF2 gene variation, the H-H-H strain, causes NPC in endemic region, southern China. Here, we investigate whether such EBV variations also affect NPC in a non-endemic region, Japan.

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Hydrogen is a clean fuel alternative to fossil fuels, and it is vital to develop catalysts for its efficient activation and production. We investigate the reaction mechanism of H activation in an aqueous solution by the recently developed NiFe complex (Ogo . 2020, 6, eaaz8181) using density functional theory (DFT) calculation.

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Effect of skin colors due to hemoglobin or melanin modulation on facial expression recognition.

Vision Res

July 2022

Graduate School of Engineering, Chiba University, 1-33 Yayoicho, Inage-ku, Chiba 263-8522, Japan. Electronic address:

Facial color is thought to contribute to the perception of emotional expression. Previous studies on facial recognition have shown that reddish and bluish faces enhance the perceptions of anger and sadness, respectively. However, the effect of facial color on the recognition of facial expressions in the range of natural skin colors remains unexplored.

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VH, i.e., VH domains of camelid single-chain antibodies, are very promising therapeutic agents due to their significant physicochemical advantages compared to classical mammalian antibodies.

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Plasma-based next-generation sequencing (NGS) has demonstrated the potential to guide the personalized treatment of non-small cell lung cancer (NSCLC). Inherent differences in mutational genomic profiles of NSCLC exist between Asian and Western populations. However, the published mutational genomic data of NSCLC has largely focused on Western populations.

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Article Synopsis
  • A retrospective chart review studied healthcare resource utilization (HRU) in patients with AML who couldn't receive intensive therapy, focusing on those who were treated with first-line systemic therapies or best supportive care.
  • Among the 1762 patients analyzed, the majority were hospitalized primarily for treatment-related reasons, with the highest hospitalization rates seen in those receiving hypomethylating agents (HMA) and low-dose cytarabine (LDAC).
  • The results indicated a significant demand for hospitalizations, transfusions, and outpatient consultations, highlighting the necessity for new treatment options to reduce the healthcare burden on these patients.
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In post-stroke hemiparesis patients, the skeletal muscle mass decrease rapidly with the histological degradation. We investigated the effect of nutritional supplementation with whey protein and vitamin D on the muscle mass and muscle quality, in post-stroke convalescent rehabilitation patients in a randomized, single-blinded, placebo-controlled trial. Fifty patients were randomly assigned to two groups; HP group received supplemental jelly (100 kcal; whey protein 10 g; vitamin D 20 μg) twice a day throughout up to 16-week period, the control group received placebo jelly.

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Ecklonia stolonifera Okamura extract (ESE) has been reported to have various bioactive effects, but its effects on cardiovascular disease have not yet been investigated. First, primary neonatal rat cultured cardiomyocytes were treated with ESE and stimulated with phenylephrine (PE) for 48 h. ESE (1000 µg/mL) significantly suppressed PE-induced cardiomyocyte hypertrophy, hypertrophy-related gene transcription, and the acetylation of histone H3K9.

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Hyperuricemia, a lifestyle-related disease characterized by elevated serum urate levels, is the main risk factor for gout; therefore, the serum urate-lowering effects of human diets or dietary ingredients have attracted widespread interest. As Urate transporter 1 (URAT1) governs most urate reabsorption from primary urine into blood, URAT1 inhibition helps decrease serum urate levels by increasing the net renal urate excretion. In this study, we used a cell-based urate transport assay to investigate the URAT1-inhibitory effects of 162 extracts of plant materials consumed by humans.

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Background: The surgical Apgar score (SAS) predicts postoperative complications (POCs) following gastrointestinal surgery. Recently, the SAS was reported to be a predictor of not only POCs but also prognosis. However, the impact of the SAS on oncological outcomes in patients with colorectal cancer (CRC) has not been fully examined.

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Novel Variation in Female Carriers With Intellectual Disability and Atypical Parkinsonism.

Neurol Genet

February 2022

Department of Neurology (H.N., M.T., Y.T.), University of Yamanashi; Department of Biochemistry (Y.-J.K., T.O.), Graduate School of Medical Sciences, University of Yamanashi; Department of Rehabilitation (A.I.), Yamanashi University Hospital; Department of Orthopaedic Surgery (H.H.), University of Yamanashi; and Department of Neurology (M.H.), Kyonan Hospital, Yamanashi, Japan.

Background And Objectives: Variations in cause the X-linked neurologic disorder Christianson syndrome in males. Meanwhile, female carriers with variations may remain asymptomatic or develop intellectual disability, behavioral problems, and psychiatric illnesses. Only a few female carriers have been reported to have associated atypical parkinsonism in late life.

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