1,638,742 results match your criteria: "Japan; The Innovation Center of Nanomedicine[Affiliation]"

Objective: To examine the associations of accelerometer-measured physical activity and sedentary time with all-cause mortality in older Japanese adults.

Methods: A total of 1723 independent Japanese adults aged ≥65 years were followed from 2011 to 2021. Moderate-to-vigorous physical activity (MVPA), light physical activity (LPA) and sedentary time were measured using a triaxial accelerometer secured to participants' waists.

View Article and Find Full Text PDF

The development of hole-collecting materials is indispensable to improving the performance of perovskite solar cells (PSCs). To date, several anchorable molecules have been reported as effective hole-collecting monolayer (HCM) materials for p-i-n PSCs. However, their structures are limited to well-known electron-donating skeletons, such as carbazole, triarylamine, etc.

View Article and Find Full Text PDF

Single Nucleotide Polymorphism Highlighted via Heterogeneous Light-Induced Dissipative Structure.

ACS Sens

January 2025

Research Institute for Light-induced Acceleration System (RILACS), Osaka Metropolitan University, 1-2 Gakuencho, Nakaku, Sakai, Osaka 599-8570, Japan.

The unique characteristics of biological structures depend on the behavior of DNA sequences confined in a microscale cell under environmental fluctuations and dissipation. Here, we report a prominent difference in fluorescence from dye-modified single-stranded DNA in a light-induced assembly of DNA-functionalized heterogeneous probe particles in a microwell of several microliters in volume. Strong optical forces from the Mie scattering of microparticles accelerated hybridization, and the photothermal effect from the localized surface plasmons in gold nanoparticles enhanced specificity to reduce the fluorescence intensity of dye-modified DNA to a few %, even in a one-base mismatched sequence, enabling us to clearly highlight the single nucleotide polymorphisms in DNA.

View Article and Find Full Text PDF

Platelet Function Assay Using Dielectric Blood Coagulometry.

Anal Chem

January 2025

Department of Anesthesiology, Tokyo Medical and Dental University, Graduate School of Medical and Dental Sciences, 1-5-45 Yushima, Bunkyo-ku 113-8510, Tokyo, Japan.

The hemostatic function of platelets is complementary to blood coagulation. However, traditional platelet function tests have primarily focused on measuring platelet aggregation, reducing their clinical effectiveness for antiplatelet drug monitoring. To address this limitation, we propose a new test principle that evaluates platelet function and the effects of antiplatelet drugs through blood coagulation reactions.

View Article and Find Full Text PDF

Background: Alcohol septal ablation (ASA) is used to treat drug-refractory hypertrophic obstructive cardiomyopathy (HOCM). Intraprocedural echocardiography is essential for identifying the septal area perfused by each septal branch; however, its role in determining the procedural endpoint of ASA remains unclear. This retrospective study aimed to evaluate the impact of intraprocedural echocardiographic findings on clinical outcomes and left ventricular pressure gradient (LVPG) after ASA.

View Article and Find Full Text PDF

Contact hypersensitivity (CHS) and atopic dermatitis (AD) are pervasive inflammatory skin diseases with similar symptoms, and the global prevalence of both conditions is steadily rising. Many compounds and biotics have been developed to target molecules critical to the etiology or pathogenesis of CHS and AD. However, such molecules are sometimes ineffective or lose potency over the therapeutic course.

View Article and Find Full Text PDF

Objective: The duration of viral shedding and criteria for de-isolation in the hospital among immunocompromised patients with coronavirus disease 2019 (COVID-19) remain unclear. This study aimed to evaluate viral shedding duration in immunocompromised patients infected with the Omicron variant of severe acute respiratory syndrome coronavirus 2.

Methods: A prospective cohort study was performed at 2 tertiary medical centers in Japan during the Omicron epidemic waves from July 2022 to January 2023.

View Article and Find Full Text PDF

Introduction of acetyl-phosphate bypass and increased culture temperatures enhanced growth-coupled poly-hydroxybutyrate production in the marine cyanobacterium Synechococcus sp. PCC7002.

Metab Eng

January 2025

Engineering Biology Research Center, Kobe University, 1-1 Rokkodai, Nada, Kobe 657-8501, Japan; Graduate School of Science, Technology, and Innovation, Kobe University, 1-1 Rokkodai, Nada, Kobe, Hyogo 657-8501, Japan; Research Center for Sustainable Resource Science, RIKEN, 1-7-22 Suehiro, Tsurumi, Yokohama, Kanagawa 230-0045, Japan. Electronic address:

Polyhydroxyalkanoate (PHA) is an attractive bio-degradable plastic alternative to petrochemical plastics. Photosynthetic cyanobacteria accumulate biomass by fixing atmospheric CO, making them promising hosts for sustainable PHA production. Conventional PHA production in cyanobacteria requires prolonged cultivation under nutrient limitation to accumulate cellular PHA.

View Article and Find Full Text PDF

Potent HIV‑1 protease inhibitors containing oxabicyclo octanol-derived P2-ligands: Design, synthesis, and X‑ray structural studies of inhibitor-HIV-1 protease complexes.

Bioorg Med Chem Lett

January 2025

Department of Infectious Diseases, Kumamoto University School of Medicine, Kumamoto 860-8556, Japan; Center for Clinical Sciences, National Center for Global Health and Medicine, Tokyo 162-8655, Japan; Experimental Retrovirology Section, HIV and AIDS Malignancy Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA.

We describe here the design, synthesis, and X-ray structural studies of a new class of HIV-1 protease inhibitors containing 8-oxabicyclo[3.2.1]octanol-derived P2 ligands.

View Article and Find Full Text PDF

The primary motor cortex (M1) is believed to be a cortical center for the execution of limb movements. Although M1 neurons mainly project to the spinal cord on the contralateral side, some M1 neurons project to the ipsilateral side via the uncrossed corticospinal pathway. Moreover, some M1 neurons are activated during ipsilateral forelimb movements.

View Article and Find Full Text PDF

Loss of neuronal activity facilitates surface accumulation of p75NTR and cell death in avian cochlear nucleus.

Neurosci Res

January 2025

Department of Cell Physiology, Graduate School of Medicine, Nagoya University, Nagoya 466-8550, Japan. Electronic address:

Sensorineural hearing loss causes cell death in central auditory neurons, but molecular mechanisms of triggering this process are not fully understood. We report here that loss of afferent activity promotes cell death by facilitating proBDNF-p75NTR signals in cochlear nucleus of chicks around hatch. RNA-seq analyses revealed up-regulation of genes related to proBDNF-p75NTR-JNK signals as well as apoptosis at the nucleus within 24hours after unilateral cochlea deprivation.

View Article and Find Full Text PDF

AP2A1 modulates cell states between senescence and rejuvenation.

Cell Signal

January 2025

Division of Bioengineering, Graduate School of Engineering Science, University of Osaka, Japan; R(3) Institute for Newly-Emerging Science Design, University of Osaka, Japan; Global Center for Medical Engineering and Informatics, University of Osaka, Japan. Electronic address:

Aging proceeds with the accumulation of senescent cells in multiple organs. These cells exhibit increased size compared to young cells, which promotes further senescence and age-related diseases. Currently, the molecular mechanism behind the maintenance of such huge cell architecture undergoing senescence remains poorly understood.

View Article and Find Full Text PDF

Background: Total hip arthroplasty (THA) effectively enhances hip function and alleviates pain in patients who have osteoarthritis, improving their quality of life. The Forgotten Joint Score-12 (FJS-12), a patient-reported outcome measure, has recently gained attention as a method for assessing joint awareness during daily activities following THA; however, the association between muscle strength, specifically quadriceps muscle strength, and the FJS-12 has not been fully investigated.

Methods: This cross-sectional study involved 624 patients who underwent THA at a single center in Japan.

View Article and Find Full Text PDF

Wound management remains a significant challenge due to complications such as delayed healing and microbial infections, particularly in the conditions like diabetes mellitus, vascular disorders, and immunosuppression. This study aimed to develop a chitosan-coated virgin coconut oil-asiatic acid-loaded nanoemulsion gel (CS-ASA-NEG) to enhance wound healing outcomes. A central composite design (CCD) was employed using Design Expert 11 software to optimize the nanoemulsion formulation, with ternary phase diagrams (TPD) evaluating stable regions for Tween 20: Span 80 (T20:S80) ratios.

View Article and Find Full Text PDF

NEIL1: the second DNA glycosylase involved in action-at-a-distance mutations induced by 8-oxo-7,8-dihydroguanine.

Free Radic Biol Med

January 2025

Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8553, Japan. Electronic address:

8-Oxo-7,8-dihydroguanine (G, 8-hydroxyguanine), an oxidatively damaged base, induces mutations and is involved in cancer initiation. In addition to G:C→T:A transversions at the damaged site, it causes untargeted base substitution (action-at-a-distance) mutations at the G bases of 5'-GpA-3' sites in human cells. Paradoxically, OGG1, a DNA glycosylase involved in the base excision repair (BER) pathway, enhances the action-at-a-distance mutations by G.

View Article and Find Full Text PDF

A novel Sai-based antioxidant agent attenuates antibody-mediated rejection in allogeneic rat kidney transplantation.

Am J Transplant

January 2025

Department of Urology, Osaka University Graduate School of Medicine, Suita, Japan; Department of Urology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan. Electronic address:

Antibody-mediated rejection (ABMR) remains a leading cause of graft loss during kidney transplantation. Ischemia reperfusion injury (IRI) has been reported to promote T-cell proliferation, leading to B-cell activation and subsequent production of donor-specific antibodies (DSA), which target antigens on the vascular endothelium. We hypothesize that a novel therapeutic strategy targeting highly toxic reactive oxygen species could mitigate oxidative stress and immune responses associated with IRI.

View Article and Find Full Text PDF

Background/aims: Crohn's disease (CD) leads to bowel damage and disability if suboptimally treated. We investigated firstyear treatment decisions and real-world use of biologics in patients with CD in Japan.

Methods: In this retrospective observational study (2010-2021) from the JMDC claims database, patients with a new diagnosis of CD (no CD claims record within 12 months before index) who received ≥ 1 pre-defined treatment were grouped by use of biologics and systemic corticosteroids (SCS) within the first year of diagnosis.

View Article and Find Full Text PDF

Acute Heart Failure (AHF) is a leading cause of death and represents the most frequent cause of unplanned hospital admission in patients older than 65 years. Since the past decade, several randomized clinical trials have highlighted the importance and pivotal role of certain therapeutics, including decongestion by the combination of loop diuretics, the need for rapid goal-directed medical therapies implementation before discharge, risk stratification, and early follow-up after discharge therapies. Cardiogenic shock, defined as sustained hypotension with tissue hypoperfusion due to low cardiac output and congestion, is the most severe form of AHF and mainly occurs after acute myocardial infarction, which can progress to multiple organ failure.

View Article and Find Full Text PDF

Effect of a Training System Utilizing 3D-Printed Patient-Specific Vascular Models on Endovascular Catheterization Performance.

J Vasc Interv Radiol

January 2025

Department of Diagnostic Imaging, Faculty of Medicine, Hokkaido University, N-15, W-7, Kita-ku, Sapporo, Hokkaido 060-8638, Japan; Global Center for Biomedical Science and Engineering, Faculty of Medicine, Hokkaido University, N-14, W-5, Kita-ku, Sapporo, Hokkaido 060-8648, Japan.

This study aimed to examine the effect of simulation training using a three-dimensional (3D)-printed patient-specific vascular model on the advanced vascular catheterization skills of experienced interventional radiologists (IRs). Two specific anatomic types of 3D-printed patient-specific models from two patients with challenging celiac axis arterial anatomy were constructed. The Global Rating Scale of Endovascular Performance (GRS-EP) was used to evaluate vascular insertion skills.

View Article and Find Full Text PDF

Purpose: To investigate the feasibility of a robotic system with artificial intelligence-based lesion detection and path planning for CT-guided biopsy, compared to the conventional freehand technique.

Materials And Methods: Eight nodules within an abdominal phantom, incorporating the simulated vertebrae and ribs, were designated as targets. A robotic system was used for lesion detection, trajectory generation, and needle-holder positioning.

View Article and Find Full Text PDF

Audiovisual associative memory and audiovisual integration involve common behavioral processing components and significantly overlap in their neural mechanisms. This suggests that training on audiovisual associative memory may have the potential to improve audiovisual integration. The current study tested this hypothesis by applying a 2 (group: audiovisual training group, unimodal control group) * 2 (time: pretest, posttest) design.

View Article and Find Full Text PDF

Food properties modulate activities in posterior parietal and visual cortex during chewing.

Physiol Behav

January 2025

Department of Anesthesiology, Nihon University School of Dentistry at Matsudo, 2-870-1 Sakaecho-Nishi, Matsudo, Chiba, 271-8587, Japan. Electronic address:

Cross-modal interactions between sensory modalities may be necessary for recognition of chewing food by the invisible oral cavity to avoid damaging the tongue and/or oral mucosa. The present study used functional near-infrared spectroscopy to investigate whether the food properties hardness and size influence activities in the posterior parietal cortex and visual cortex during chewing performance in healthy individuals. It was found that an increase in food hardness enhanced both posterior parietal cortex and visual cortex activities, while an increase in food size enhanced activities in the same regions.

View Article and Find Full Text PDF