Ferroptosis is a cell death mechanism mediated by iron-dependent lipid peroxidation. Although ferroptosis has garnered attention as a cancer-suppressing mechanism, there are still limited markers available for identifying ferroptotic cells or assessing their sensitivity to ferroptosis. The study focused on biliverdin, an endogenous reducing substance in cells, and examined the dynamics of intracellular biliverdin during ferroptosis using a biliverdin-binding cyanobacteriochrome.
View Article and Find Full Text PDFBreast cancer (BC) remains among the most commonly diagnosed cancers in women worldwide. Triple-negative BC (TNBC) is a subset of BC characterized by aggressive behavior, a high risk of distant recurrence, and poor overall survival rates. Chemotherapy is the backbone for treatment in patients with TNBC, but outcomes remain poor compared to other BC subtypes, in part due to the lack of recognized functional targets.
View Article and Find Full Text PDFOutbreaks of invasive infections, with high mortality rates, caused by multidrug-resistant have been reported worldwide. Although hotspot mutations in are an established cause of echinocandin resistance, the actual contribution of these mutations to echinocandin resistance remains unknown. Here, we sequenced the gene of a caspofungin-resistant clinical isolate (clade I) and identified a novel resistance mutation (G4061A inducing R1354H).
View Article and Find Full Text PDFObjectives: Despite evidence of breast cancer screening efficacy, the screening rate has remained less than 50% in Japan. This study aimed to evaluate the effect of an environmental approach offering on-site mammography in workplaces.
Methods: Supermarket stores were randomly assigned into two groups, the intervention group (leaflet and mammography) and the control group (leaflet).
The purpose of this study was to describe patterns of intraoperative tissue interface pressure, identify the amount of time during which the pressure at four anatomical locations exceeded 32 mm Hg, and examine associations between patient- and surgery-related variables and peak tissue interface pressure. We used a pressure mapping system to measure the intraoperative tissue interface pressure of 150 patients. We implemented linear mixed-effects models to assess trends in the mean and peak tissue interface pressure.
View Article and Find Full Text PDFBackground: The coronavirus disease 2019 (COVID-19) pandemic has resulted in a total upending of our daily lives. While anxiety and depression were frequently reported among the general population, the pandemic's impact on patients with mental health problems remains unknown.
Methods: A cross-sectional questionnaire survey involving 1,166 patients was conducted at one psychiatric hospital and one mental health clinic.
Purpose: This prospective randomized controlled study examined whether accelerometer-based navigation resulted in more accurate or precise cup orientation than a conventional mechanical guide. We used a simulation to evaluate how cup orientation affected potential hip range of motion (RoM) and freedom from prosthetic impingement.
Methods: Sixty hips were randomly allocated 1:1 to accelerometer-based portable navigation or conventional guidance.
Hypertrophic pachymeningitis (HP) presents with thickening of the dura mater in the cerebrum and spine, and its symptoms vary depending on the affected location. The association of HP with anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis has been recognized, and most cases are complicated by granulomatosis with polyangiitis. We report the case of a 47-year-old man who presented with HP upon relapse of eosinophilic granulomatosis with polyangiitis (EGPA), with literature review.
View Article and Find Full Text PDFIntroduction: The purpose of this study was to evaluate balance function before and after total knee arthroplasty (TKA) using Berg balance scale (BBS). The study also aimed to identify factors associated with balance impairment.
Materials And Methods: Ninety-three knees in 90 patients were prospectively evaluated using their BBS scores, passive knee extension/flexion angles, Visual analogue scale for pain scores, hip-knee-ankle angles, and knee extensor/flexor muscle strengths before and after TKA.
Background: No studies have directly evaluated kinematic changes during squatting before and after bicruciate-stabilized total knee arthroplasty (BCS-TKA) with the dual cam-post mechanism and asymmetric surfaces. This study investigated the effect of BCS-TKA on changes to pre- and postoperative skeletal knee kinematics, to identify factors associated with postoperative skeletal kinematic parameters.
Methods: Seventeen knees in 17 patients were prospectively recruited before primary TKA for advanced medial knee osteoarthritis.
The structural mechanisms of single-pass transmembrane enzymes remain elusive. Kynurenine 3-monooxygenase (KMO) is a mitochondrial protein involved in the eukaryotic tryptophan catabolic pathway and is linked to various diseases. Here, we report the mammalian full-length structure of KMO in its membrane-embedded form, complexed with compound 3 (identified internally) and compound 4 (identified via DNA-encoded chemical library screening) at 3.
View Article and Find Full Text PDFBackground: Before advance care planning, it is essential to understand the differences in preferences for medical care of terminal-phase pneumonia in elderly patients among the patients, their families, and their doctors. This study aimed to clarify these differences and investigate the actual care provided to elderly patients with pneumonia in nursing hospitals.
Methods: Multicenter questionnaire surveys of 179 patients admitted to nursing homes and long-term care beds in hospitals of three healthcare corporations, their families, and their physicians were conducted between January and August 2018.
There is no biomarker for detecting the status of angiosarcoma patients. Studies have reported that serum anti-p53 antibody (Ab) levels are often high in patients with various types of malignant tumors, suggesting the potential use of this Ab as a biomarker for various tumors, including angiosarcoma. The aim of this study was to assess the usefulness of serum anti-p53 Ab as a potent angiosarcoma biomarker.
View Article and Find Full Text PDFLittle is known about the role of epithelial membrane protein-2 (EMP2) in breast cancer development or progression. In this study, we tested the hypothesis that EMP2 may regulate the formation or self-renewal of breast cancer stem cells (BCSC) in the tumor microenvironment. analysis of gene expression data demonstrated a correlation of EMP2 expression with known metastasis-related genes and markers of cancer stem cells (CSC) including aldehyde dehydrogenase (ALDH).
View Article and Find Full Text PDFPurpose: The purpose of this study was to determine the kinematics of healthy knees and those with osteoarthritis (OA), during twisting using density-based image-matching techniques.
Methods: Five healthy subjects and 26 patients with medial knee OA performed twisting under periodic X-ray imaging.
Results: The tibiofemoral rotation at the ipsilateral/contralateral twist in healthy and OA knees were 11° ± 9.
Metallic materials are known to be very sensitive to Gallium (Ga) focused ion beam (FIB) processing. Crystal defects formed by FIB irradiation degrade the transmission electron microscope image quality, and it is difficult to distinguish original defects from FIB process-induced damage. A solution to this problem is the low acceleration voltage and low incident angle (LVLA) Argon ion milling, which can be incorporated as an extensional countermeasure for FIB damage removal and eventually for preparation of high-quality lamellae.
View Article and Find Full Text PDFIntroduction: Lateral lumbar interbody fusion (LLIF) is becoming a more common surgical treatment option for adult degenerative lumbar conditions. LLIF is a mini-open access technique with wound retractors, and postoperative hematoma due to segmental vessels injury is reported. Thus, it is considered that there is a need to conduct detailed preoperative examinations to identify where the lumbar vessels are.
View Article and Find Full Text PDFIntroduction: Avascular necrosis of the femoral capital epiphysis is the most serious complication after traumatic dislocation of the hip in children. This case report discusses the localization and revascularization of the necrotic femoral head following rarely experienced traumatic open anterior hip dislocation in children.
Case Presentation: Our patient was an 11-year-old Japanese boy who had open anterior hip dislocation sustained in a traffic accident.
Introduction: This study examined whether the component position or muscle strength affects the cup-head translation under in vivo weight-bearing conditions after total hip arthroplasty (THA). We hypothesized that there was a correlation between the hip offset or abductor strength and cup-head translation during gait.
Materials And Methods: We prospectively evaluated 31 patients undergoing unilateral cementless primary THA.
This study aimed to evaluate sports activities after total knee arthroplasty in an Asian cohort using 2011 Knee Society scoring system. The average scores for satisfaction and expectation about sports-related activities were 4.9 (61%) and 3.
View Article and Find Full Text PDFSialidases catalyze the removal of terminal sialic acid from various complex carbohydrates. In the gastrointestinal tract, sialic acid is commonly found in the sugar chain of mucin, and many enteric commensals use mucin as a nutrient source. We previously identified two different sialidase genes in Bifidobacterium bifidum, and one was cloned and expressed as an extracellular protein designated as exo-α-sialidase SiaBb2.
View Article and Find Full Text PDFObjectives: The aim of this study was to assess the degree of compassion satisfaction and compassion fatigue (CF) among critical care, oncology and charge nurses.
Background: Cumulative grief resulting from caring for critically/terminally ill patients may result in CF, leading to lower quality care and higher nurse attrition.
Method: Data were collected from 38 direct care nurses and 10 charge nurses, using the Professional Quality of Life.
Background: Intradialytic hypertension (HTN), which is one of the poor prognostic markers in patients undergoing hemodialysis, may be associated with sympathetic overactivity. The L/N-type calcium channel blocker, cilnidipine, has been reported to suppress sympathetic nerves activity in vivo. Therefore, we hypothesized that cilnidipine could attenuate intradialytic systolic blood pressure (SBP) elevation.
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