Initial analyses showed that asteroid Ryugu's composition is close to CI (Ivuna-like) carbonaceous chondrites -the chemically most primitive meteorites, characterized by near-solar abundances for most elements. However, some isotopic signatures (e.g.
View Article and Find Full Text PDFCutaneous colonization with Staphylococcus aureus (SA) is frequently observed in patients with atopic dermatitis. SA produces a wide variety of bacterial toxins, among which δ-toxin was found to induce degranulation of mast cells. Degranulation of mast cells could enhance bacterial clearance and protection from future SA infection but lead to exacerbation of atopic dermatitis.
View Article and Find Full Text PDFThe present work investigates the long-term effects of continuous low dose-rate (20 mGy/day to total doses of 1-8 Gy) gamma-ray exposure on the hematopoietic cells of specific pathogen-free C3H/HeN mice. Peripheral white blood cell (WBC) counts decreased on days 206, 471, and 486, with no significant changes in red blood cell (RBC) and platelet (PLT) counts. The number of colony forming units (CFU-S and CFU-GM) in the bone marrow and spleen from irradiated mice decreased with increasing total dose on day-12 and day-7.
View Article and Find Full Text PDFjPOST (https://jpostdb.org/) comprises jPOSTrepo (https://repository.jpostdb.
View Article and Find Full Text PDFBackground: Fosravuconazole L-lysine ethanolate (F-RVCZ) is a prodrug of ravuconazole and a triazole antifungal drug used for the treatment of onychomycosis. It has been reported in previous studies that the kidney injury caused by F-RVCZ is 1% or less.
Methods: Serum creatinine levels were compared, and glomerular filtration rate and urine protein were estimated before and after starting the administration of F-RVCZ, as well as after the end of the administration period.
The present work investigates the multigenerational effects of paternal pre-conceptional exposure to continuous low-dose-rate gamma rays in C56BL/6J mice. Male C57BL/6J (F0 sires) mice were exposed to low dose rates of 20, 1, and 0.05 mGy/day for 400 days, to total accumulated doses of 8,000, 400, and 20 mGy, respectively.
View Article and Find Full Text PDFLymphangitic carcinomatosis is a metastatic disease with a poor prognosis and poorly understood pathophysiology. We present a case of rapidly worsening lung adenocarcinoma with diffusely spreading cancerous lymphangitis in lung, mediastinum, retroperitoneum, and gastrointestinal tract. Our findings suggest cancer dissemination in this patient was predominantly caused by direct lymphatic invasion.
View Article and Find Full Text PDFObjective: To investigate the feasibility of poststroke interventions using a motivational instructional design model with occupational therapy (OT) and swallowing therapy (ST) and the model's potential physical and mental health effects.
Design: An open-label, single-arm, feasibility study on the Attention, Relevance, Confidence, and Satisfaction model.
Setting: Two convalescent rehabilitation wards.
Itch is a prominent symptom of atopic dermatitis (AD). However, the underlying mechanism remains complex and has not yet been fully elucidated. Mas-related G protein-coupled receptor A3 (MrgprA3) has emerged attention as a marker of primary sensory neurons that specifically transmit itch signals; however, its involvement in AD-related itch has not been extensively explored.
View Article and Find Full Text PDFThe isotopic compositions of samples returned from Cb-type asteroid Ryugu and Ivuna-type (CI) chondrites are distinct from other carbonaceous chondrites, which has led to the suggestion that Ryugu/CI chondrites formed in a different region of the accretion disk, possibly around the orbits of Uranus and Neptune. We show that, like for Fe, Ryugu and CI chondrites also have indistinguishable Ni isotope anomalies, which differ from those of other carbonaceous chondrites. We propose that this unique Fe and Ni isotopic composition reflects different accretion efficiencies of small FeNi metal grains among the carbonaceous chondrite parent bodies.
View Article and Find Full Text PDFAim: Patients with chronic hepatitis B (CHB) remain at risk for hepatocellular carcinoma (HCC) even with nucleos(t)ide analog therapy. We evaluated risk factors for HCC development, including serum hepatitis B virus (HBV) RNA, hepatitis B core-related antigen level, and growth differentiation factor 15 (GDF15) level, a predictor of HCC development in patients with chronic hepatitis C.
Methods: We collected clinical data and stored serum from CHB patients without a history of HCC who were receiving nucleos(t)ide analog treatment for more than 1 year and whose HBV DNA level was less than 3.
Ryugu is the C-type asteroid from which material was brought to Earth by the Hayabusa2 mission. A number of individual grains and fine-grained samples analysed so far for noble gases have indicated that solar wind and planetary (known as P1) noble gases are present in Ryugu samples with concentrations higher than those observed in CIs, suggesting the former to be more primitive compared to the latter. Here we present results of analyses of three fine-grained samples from Ryugu, in one of which Xe concentration is an order of magnitude higher than determined so far in other samples from Ryugu.
View Article and Find Full Text PDFReturned samples from the carbonaceous asteroid (162173) Ryugu provide pristine information on the original aqueous alteration history of the Solar System. Secondary precipitates, such as carbonates and phyllosilicates, reveal elemental partitioning of the major component ions linked to the primordial brine composition of the asteroid. Here, we report on the elemental partitioning and Mg isotopic composition (Mg/Mg) of breunnerite [(Mg, Fe, Mn)CO] from the Ryugu C0002 sample and the A0106 and C0107 aggregates by sequential leaching extraction of salts, exchangeable ions, carbonates, and silicates.
View Article and Find Full Text PDFPurpose: To examine the hypothesis that an increase in response of postmenopausal bone to interval walking training (IWT) depends on baseline bone mineral densities (BMDs).
Methods: Two hundred and thirty-four postmenopausal women (64±5 (SD) yr) with no medication for osteoporosis performed 5-month IWT, repeating fast and slow walking at ≥70% and ~40% peak aerobic capacity, respectively, for 3 minutes each per set, ≥5 sets/day, ≥4 days/week. They were recruited from those who had performed IWT ≥6 months before participating in the study so that their physical fitness and lifestyle-related disease symptoms had almost reached a steady state at the time of their participation.
Trophoblast stem cells, derived from the trophectoderm of the blastocyst, are used as an in vitro model to reveal the mechanisms underlying placentation in mammals. In humans, suitable culture conditions for trophoblast stem cell derivation have recently been established. The established human trophoblast stem cells differentiate efficiently toward two trophoblast subtypes: syncytiotrophoblasts and extravillous trophoblasts.
View Article and Find Full Text PDFPrimordial carbon delivered to the early earth by asteroids and meteorites provided a diverse source of extraterrestrial organics from pre-existing simple organic compounds, complex solar-irradiated macromolecules, and macromolecules from extended hydrothermal processing. Surface regolith collected by the Hayabusa2 spacecraft from the carbon-rich asteroid 162173 Ryugu present a unique opportunity to untangle the sources and processing history of carbonaceous matter. Here we show carbonaceous grains in Ryugu can be classified into three main populations defined by spectral shape: Highly aromatic (HA), Alkyl-Aromatic (AA), and IOM-like (IL).
View Article and Find Full Text PDFBackground: The optimal subsequent treatment strategy for locally advanced non-small cell lung cancer (LA-NSCLC) after chemoradiotherapy (CRT) and consolidative durvalumab therapy remains unknown. We aimed to determine the optimal subsequent treatment strategy for this clinical population.
Materials And Methods: We retrospectively enrolled 523 consecutive patients with LA-NSCLC treated with CRT and analyzed the treatment outcomes of subsequent therapy after progression following CRT and consolidative durvalumab therapy.
This study reports two cases of rare symptomatic subsidence of titanium cages after anterior cervical discectomy and fusion (ACDF). First, an 82-year-old man underwent ACDF at C5/6 and C6/7 using two 6 mm height box-type titanium cages. On the 34th postoperative day, motor weakness occurred in the right upper limb, and CT showed that the cage at C5/6 had subsided 6 mm into the C6 vertebral body.
View Article and Find Full Text PDFRationale: Extracorporeal membrane oxygenation (ECMO) is the last trump card for severe respiratory failure. The main complications of ECMO are bleeding and thrombosis, both of which can be life-threatening. Large blood clots can cause central airway obstruction (CAO) during ECMO, and CAO should be removed as soon as possible because of asphyxiation.
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