Background: Although vancomycin is commonly used to treat methicillin-resistant coagulase-negative staphylococci (MRCoNS) infections, there are no clear guidelines for the optimal 24 h AUC24/MIC ratio. This study aimed to determine the target AUC24/MIC ratio associated with vancomycin-treated MRCoNS infection outcomes.
Methods: This multicentre retrospective cohort study included adult patients who received vancomycin for ≥5 days for bloodstream infections caused by MRCoNS between January 2018 and December 2023.
Angew Chem Int Ed Engl
September 2024
To investigate the correlation between the aggregated state and photoluminescence (PL) mechanism of dual fluorescent (FL) and phosphorescent (PH) polyimides (PIs), the photophysical processes of FL-type , PH-type , and their corresponding imide model compounds ( and ) dispersed in poly(methyl methacrylate) (PMMA) films were analyzed at elevated pressures up to 8 GPa using a diamond anvil cell. Dibromo-substituted demonstrated a shorter wavelength absorption than owing to the larger dihedral angle in the biphenyl moiety. Both MCs exhibited red-shifts in their absorption spectra with increasing pressure, indicating planarization occurred at the biphenyl moieties associated with the compression of the free volume in PMMA.
View Article and Find Full Text PDFBackground: Although vancomycin is typically employed against methicillin-resistant Staphylococcus aureus (MRSA) infections, the optimal ratio of 24-h area under the concentration-time curve to minimum inhibitory concentration (AUC/MIC) for severe or complicated infections lacks clear guideline recommendations. This study aimed to determine the target AUC/MIC ratio associated with treatment outcomes of infections treated with vancomycin.
Methods: This retrospective multicenter cohort study included adult patients receiving ≥ 5 days of vancomycin for severe/complicated MRSA infections (e.
Alterations in the experience-dependent and autonomous elaboration of neural circuits are assumed to underlie autism spectrum disorder (ASD), though it is unclear what synaptic traits are responsible. Here, utilizing a valproic acid-induced ASD marmoset model, which shares common molecular features with idiopathic ASD, we investigate changes in the structural dynamics of tuft dendrites of upper-layer pyramidal neurons and adjacent axons in the dorsomedial prefrontal cortex through two-photon microscopy. In model marmosets, dendritic spine turnover is upregulated, and spines are generated in clusters and survived more often than in control marmosets.
View Article and Find Full Text PDFProc Natl Acad Sci U S A
October 2022
SWEET sucrose transporters play important roles in the allocation of sucrose in plants. Some SWEETs were shown to also mediate transport of the plant growth regulator gibberellin (GA). The close physiological relationship between sucrose and GA raised the questions of whether there is a functional connection and whether one or both of the substrates are physiologically relevant.
View Article and Find Full Text PDFMelting permafrost mounds in subarctic palsa mires are thawing under climate warming and have become a substantial source of NO emissions. However, mechanistic insights into the permafrost thaw-induced NO emissions in these unique habitats remain elusive. We demonstrated that NO emission potential in palsa bogs was driven by the bacterial residents of two dominant mosses especially of (SC) in the subarctic palsa bog, which responded to endogenous and exogenous factors such as secondary metabolites, nitrogen and carbon sources, temperature, and pH.
View Article and Find Full Text PDFVasohibin-2 (VASH2) is a gene that promotes local angiogenesis. The tubulin carboxypeptidase activity of vasohibin causes detyrosination of alpha-tubulin and may play an important role in the regulation of various phenomena. Pathological and therapeutic angiogenesis are involved in atherosclerotic lesions.
View Article and Find Full Text PDFSWEETs play important roles in intercellular sugar transport. Induction of SWEET sugar transporters by Transcription Activator-Like effectors (TALe) of Xanthomonas ssp. is key for virulence in rice, cassava and cotton.
View Article and Find Full Text PDFLarge amounts of Gd-based contrast agents are used in magnetic resonance imaging (MRI) that are then excreted in urine. These agents are subsequently discharged into the environment because they are difficult to remove by usual sewage treatment techniques. In this study, changes of the Gd anomaly during wastewater treatment processes were determined by analyzing wastewater samples and the possibility for future prediction of the changes was evaluated based on the relationship between the Gd anomaly and the number of MRI devices in use.
View Article and Find Full Text PDFA high-risk patient with aortic arch aneurysm, associated with severe calcification of the ascending aorta and iliac arteries, was treated with total debranching and antegrade thoracic endovascular aortic repair (TEVAR) via the ascending aorta. Proximal anastomosis for a triple-branched graft to the ascending aorta was performed without side clamping using the "real chimney technique." After bypassing the supra-aortic branches, a TEVAR was performed in an antegrade fashion through the ascending aorta.
View Article and Find Full Text PDFPlant Cell Physiol
November 2021
Fluorescent probes are powerful tools for visualizing cellular and subcellular structures, their dynamics and cellular molecules in living cells and enable us to monitor cellular processes in a spatiotemporal manner within complex and crowded systems. In addition to popular fluorescent proteins, a wide variety of small-molecule dyes have been synthesized through close association with the interdisciplinary field of chemistry and biology, ranging from those suitable for labeling cellular compartments such as organelles to those for labeling intracellular biochemical and biophysical processes and signaling. In recent years, self-labeling technologies including the SNAP-tag system have allowed us to attach these dyes to cellular domains or specific proteins and are beginning to be employed in plant studies.
View Article and Find Full Text PDFPurpose: Bioelectrical impedance analysis (BIA) has been used recently to measure the body water of patients with acute heart failure. We used BIA in this study to better understand, and possibly identify a predictive marker for, perioperative water behavior in cardiac surgery patients.
Methods: We measured body water and studied its behavior in 44 patients undergoing surgery for cardiac valvular disease at our hospital.
Plant hormones play important roles in plant growth and development and physiology, and in acclimation to environmental changes. The hormone signaling networks are highly complex and interconnected. It is thus important to not only know where the hormones are produced, how they are transported and how and where they are perceived, but also to monitor their distribution quantitatively, ideally in a non-invasive manner.
View Article and Find Full Text PDFCoral reef aorta (CRA) is a rare aortic occlusive disease with calcified intraluminal lesions. We report the case of a patient with CRA who underwent endovascular treatment (EVT). A 78-year-old woman presented with intermittent claudication.
View Article and Find Full Text PDFFemoral vein pseudoaneurysm is a rare complication during percutaneous interventions. We report the case of a patient with common femoral vein pseudoaneurysm caused by unsuccessful manual compression. A 68-year-old woman underwent catheter ablation for atrial fibrillation at another institution.
View Article and Find Full Text PDFBackground And Aims: More than 4970 variants in the low-density lipoprotein receptor (LDLR) gene and 350 variants in the proprotein convertase subtilisin/kexin 9 (PCSK9) gene have been reported in familial hypercholesterolemia (FH) patients. However, the effects of these variants on FH pathophysiology have not been fully clarified. We aimed to update the LDLR and PCSK9 variants in Japanese heterozygous FH (HeFH) patients and annotate their clinical significance for the genetic diagnosis of HeFH.
View Article and Find Full Text PDFBackground: De novo DNA methylation triggered by short interfering RNAs is called RNA-directed DNA methylation (RdDM). Transcriptional gene silencing (TGS) through RdDM can be induced using a viral vector. We have previously induced RdDM on the 35S promoter in the green fluorescent protein (GFP)-expressing Nicotiana benthamiana line 16c using the cucumber mosaic virus vector.
View Article and Find Full Text PDFArchaeal communities in mineral soils were compared between a boreal forest in Finland and cold-temperate forest in Japan using 16S rRNA gene-targeted high-throughput sequencing. In boreal soils, Thaumarchaeota Group 1.1c archaea predominated and Thaumarchaeota Group 1.
View Article and Find Full Text PDFJ Colloid Interface Sci
January 2018
Highly monodisperse amorphous manganese oxide (MnO) nanospheres with diameter of ca. 300nm have been obtained from ammonia aqueous solution of KMnO at room temperature. The amorphous MnO nanospheres successfully converted to monodisperse K-OMS-2 (cryptomelane) and K-OMS-2/MnO nanoraspberries through calcination process at 600 and 800°C, respectively.
View Article and Find Full Text PDFAsian Cardiovasc Thorac Ann
October 2016
We report here on a long-surviving patient with a vascular leiomyosarcoma arising in the right common carotid artery, and some possible reasons for the long-term survival. The patient was a 40-year-old woman who was diagnosed with a right common carotid aneurysm and underwent aneurysmectomy with graft replacement. Two years and nine months after her surgery, she developed a cerebral infarction and left hemiparesis due to graft occlusion, but later achieved functional recovery through physical rehabilitation.
View Article and Find Full Text PDFDent corn Andisol at the Hokkaido University Shizunai Livestock Experimental Farm actively emits nitrous oxide (N2O). In order to screen for culturable and active N2O emitters with high N2O emission potential, soft gel medium containing excess KNO3 was inoculated with soil suspensions from farm soil samples collected at different land managements. Dominant bacterial colonies were searched for among 20 of the actively N2O-emitting cultures from post-harvest soil and 19 from pre-tilled soil, and all isolates were subjected to the culture-based N2O emission assay.
View Article and Find Full Text PDFWorld J Surg Oncol
September 2015
An 85-year-old Japanese man with a complaint of exertional dyspnea was admitted to our hospital. Sixty-three years prior to admission at our hospital, he handled asbestos for 2 years in a factory. His chest computed tomography showed a massive pericardial effusion leading to cardiac tamponade and right pleural plaque.
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