Purpose: We previously have shown that multicellular spheroids containing insulin-secreting cells are an effective therapy for diabetic mice. Here we attempted to increase insulin secretion by incorporating other cell types into spheroids.
Materials And Methods: Multicellular spheroids of mouse MIN6 pancreatic β cells were formed in microwells alone and with aortic vascular endothelial MAEC cells or embryo fibroblast NIH3T3 cells.
A 59-year-old woman had recurrences in the spleen and lung 10 years after radical excision of cecal cancer. After 27 months of treatment with 5-fluorouracil/Leucovorin, oxaliplatin, irinotecan, bevacizumab, and anti-EGFR antibodies, multiple bone metastases and a left adrenal metastasis developed, and the patient's performance status (PS) deteriorated to grade 3. Regorafenib was administered at 80 mg/day.
View Article and Find Full Text PDFBackground/objectives: Catheter ablation of atrial fibrillation (AF) might influence the cardiac autonomic nervous system. To investigate the impact of catheter ablation on the sympathetic nervous function in AF patients with and without heart failure (HF) using cardiac iodine-123-metaiodobenzylguanidine ((123)I-mIBG) scintigraphy, and the association of this effect with AF recurrence.
Methods: Forty consecutive patients (median age, 65 (54-69) years; male, 29) with paroxysmal (n=22) and persistent (n=18) AF who were scheduled for ablation were enrolled.
Consolidated bioprocessing (CBP) has the potential to reduce biofuel or biochemical production costs by processing cellulose hydrolysis and fermentation simultaneously without the addition of pre-manufactured cellulases. In particular, Clostridium thermocellum is a promising thermophilic CBP host because of its high cellulose decomposition rate. Here we report the engineering of C.
View Article and Find Full Text PDFPurpose: Epicardial adipose tissue (EAT) surrounding the left atrium has been reported to have a pro-arrhythmic influence on atrial myocardium and to play an important role in the pathophysiology of atrial fibrillation (AF). The purpose of this study was to explore whether the abundance of EAT correlates with early and late recurrences of AF after ablation.
Methods: We included 53 consecutive patients with drug-refractory AF scheduled for ablation.
Treatment of chronic symptoms caused by a malunion is a difficult problem in orthopedic surgery. We encountered a case of ankle malunion at our hospital about 1 year after the first operation. The patient had been unable to walk with weight-bearing but regained the ability to walk after reconstructive osteotomy of the fibula.
View Article and Find Full Text PDFRapidly destructive coxarthrosis (RDC) causes rapid and extreme destruction of the hip joint, which was reported by Postel and Kerboull. RDC is commonly unilateral and occurs mostly in elderly women. Immune thrombocytopenic purpura (ITP) is characterized by a low platelet count that is the result of both immune-mediated platelet destruction and suppression of platelet production.
View Article and Find Full Text PDFThe nucleus accumbens (NAc) plays a crucial role in pathophysiological responses, such as reward-related behaviors, addiction, depression and schizophrenia, through activation of dopaminergic system in the midbrain area. Principal cells in the NAc are medium spiny neurons (MSNs), which constitute the majority (90-95%) of NAc neuron populations in rodents. MSNs are mutually connected to form networks of lateral inhibition.
View Article and Find Full Text PDFObjectives: To acquire fundamental knowledge on menstrual cycle and its intraindividual variation in healthy Japanese female students and their association with biological attributes, lifestyle and food habit.
Methods: We asked female students of a nursing school to keep a diary of their menstruation over 5 consecutive months and to fill a questionnaire on their biological attributes, lifestyle and consumption frequency of some food items during the period from November 2012 to January 2014.
Results: The mean±standard deviation (SD) of cycle lengths of 180 women (20.
The objectives of this study were to investigate the influence of the sterilization and storage period on elution of polyvinylpyrrolidone (PVP) from wet-type polysulfone (PSu) membrane dialyzers. APS-15SA (APS) dialyzers sterilized by gamma-radiation and RENAK PS-1.6 (RENAK) dialyzers sterilized by autoclaving were compared in this study.
View Article and Find Full Text PDFThis paper proposes a capture device to manipulate and transport a cellular aggregate in a micro-well. A cellular aggregate (a few hundreds μm in diameter) is currently manipulated by a pipette. The manual manipulation by a pipette has problems; low reliability, low throughput, and difficulty in confirmation of task completion.
View Article and Find Full Text PDFStop-signal task (SST) has been a key paradigm for probing human brain mechanisms underlying response inhibition, and the inhibition observed in SST is now considered to largely depend on a fronto basal ganglia network consisting mainly of right inferior frontal cortex, pre-supplementary motor area (pre-SMA), and basal ganglia, including subthalamic nucleus, striatum (STR), and globus pallidus pars interna (GPi). However, causal relationships between these frontal regions and basal ganglia are not fully understood in humans. Here, we partly examined these causal links by measuring human fMRI activity during SST before and after excitatory/inhibitory repetitive transcranial magnetic stimulation (rTMS) of pre-SMA.
View Article and Find Full Text PDFTrans R Soc Trop Med Hyg
April 2015
We report on an extremely rare case of a giant solitary fibrous tumor (SFT) of the mesentery in a 65-year-old male who was admitted to our hospital because of lower abdominal pain and abdominal fullness. Computed tomography demonstrated a well-defined solid mass of 25 × 11 cm located in the lower abdomen, which was completely resected during surgery. Histopathologically, this lesion had a heterogeneous cell population, mainly comprising spindle cells with fibrous collagen proliferation, and various other cell populations exhibiting patternless growth.
View Article and Find Full Text PDFGABA acts as inhibitory neurotransmitter in the adult central nervous system but as excitatory neurotransmitter during early postnatal development. This shift in GABA's action from excitation to inhibition is caused by a decrease in intracellular chloride concentration ([Cl(-)]i), which in turn is caused by changes in the relative expression levels of the K(+)-Cl(-) co-transporter (KCC2) and the Na(+), K(+)-2Cl(-) co-transporter (NKCC1) proteins. Previous studies have used slices containing the medullary pre-Bötzinger complex (pre-BötC) to record respiration-related rhythmic activity (RRA) from the hypoglossal nucleus (12 N).
View Article and Find Full Text PDFEnviron Health Prev Med
January 2015
Objective: Injury is the leading cause of death among children and adolescents in Japan. Despite this, until now there has been comparatively little research on this phenomenon. The purpose of this study was to examine if there was seasonal variation in child and adolescent injury mortality in Japan in 2000-2010.
View Article and Find Full Text PDFPrevious studies have revealed top-down control during memory retrieval from the prefrontal cortex to the temporal cortex. In the present functional MRI study, we investigated whether the fronto-temporal functional interaction occurs even during fixation periods after memory retrieval trials. During recency judgments, subjects judged the temporal order of two items in a study list.
View Article and Find Full Text PDFRecently, hypotension and malaise during hemodialysis using polysulfone (PS) membranes have been reported. This study aimed to evaluate the bioincompatibility of eluted substances from PS hemodialysis membranes that can induce hypotension, malaise, and anaphylactic shock. Polyvinylpyrrolidone (PVP) elution from five hemodialysis membranes was measured in an in vitro experimental circulation.
View Article and Find Full Text PDFNo methods for isolating induced alveolar epithelial progenitor cells (AEPCs) from human embryonic stem cells (hESCs) and induced pluripotent stem cells (hiPSCs) have been reported. Based on a study of the stepwise induction of alveolar epithelial cells (AECs), we identified carboxypeptidase M (CPM) as a surface marker of NKX2-1(+) "ventralized" anterior foregut endoderm cells (VAFECs) in vitro and in fetal human and murine lungs. Using SFTPC-GFP reporter hPSCs and a 3D coculture system with fetal human lung fibroblasts, we showed that CPM(+) cells isolated from VAFECs differentiate into AECs, demonstrating that CPM is a marker of AEPCs.
View Article and Find Full Text PDFObjective: To examine the association between antimüllerian hormone (AMH) levels and menstrual-cycle and lifestyle characteristics among young Japanese women.
Design: Cross-sectional study.
Setting: University.
Site-selective C-H borylation of quinoline derivatives at the C8 position has been achieved by using a heterogeneous Ir catalyst system based on a silica-supported cage-type monophosphane ligand SMAP. The efficient synthesis of a corticotropin-releasing factor1 (CRF1) receptor antagonist based on a late-stage C-H borylation strategy demonstrates the utility of the C8 borylation reaction.
View Article and Find Full Text PDFWe present a case of osteonecrosis of femoral head (ONFH) that occurred after stent angiography of femoral artery for the treatment of arteriosclerosis obliterans (ASO) of left inferior limb in a 76-year-old woman. No case of late collapse of femoral head as a complication of endovascular procedure such as stent placement has been previously documented. We considered that ONFH occurred after detaining stent at a junction of left deep femoral artery for the treatment of the ischemia of left lateral and medial femoral circumflex artery.
View Article and Find Full Text PDFPollen from Japanese cedar (sugi) and cypress (hinoki) trees is responsible for the growing prevalence of allergic rhinitis, especially pollinosis in Japan. Previous studies have suggested that air pollutants enhance the allergic response to pollen in susceptible individuals. We conducted a time-stratified case-crossover study to examine the potential modifying effects of PM2.
View Article and Find Full Text PDFA 60-year-old woman with dilated cardiomyopathy was referred to our hospital due to recurrent syncope. The electrocardiogram recorded by an implantable loop recorder during a syncopal episode revealed an episode of ventricular fibrillation lasting almost 3 min that terminated spontaneously. A detailed analysis of the rhythm strip showed that the chaotic rhythm became an organized ventricular rhythm with a cycle length of 220 ms for the last 14 s before it terminated.
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