Publications by authors named "KOBORI T"

Background: Acute kidney injury (AKI) is a prevalent complication in critically ill patients that affects the timing of renal replacement therapy (RRT) initiation. This study aimed to develop and validate the SACrA score for predicting non-emergent initiations (BUN ≥112 mg/dL or oliguria for >72 h) of RRT in critically ill patients.

Methods: We conducted a retrospective cohort study using data from two cohorts.

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  • The study aimed to assess trends in the prevalence and severity of diabetic retinopathy (DR) among untreated type 2 diabetes mellitus (T2DM) patients from 1986 to 2018.
  • Analysis of 1,979 Japanese T2DM patients revealed a significant decrease in DR prevalence from 25.5% in 1986 to 15.6% in 2016, with females showing higher prevalence than males.
  • The finding of decreasing DR prevalence may help explain the reduction in blindness rates related to T2DM in developed countries over recent years.
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β-(1,3/1,4)-glucan is a major component of cereal grains, such as oats and barley. In this study, we investigated the effects of cooked waxy barley, which contains β-(1,3/1,4)-glucan, on upper respiratory tract physical symptoms and mood status by performing a randomized, parallel-group, comparative trial. The primary outcome was assessed using the Wisconsin Upper Respiratory Symptom Survey-21 and Profile of Mood States second edition.

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This case report presents an unusual occurrence of miliary tuberculosis with thyroid tuberculosis in a 75-year-old male patient, who successfully completed the treatment with rifabutin after rifampicin-induced thrombocytopenia. The patient has been suffering from diabetes mellitus and chronic heart failure, and had coronavirus disease of 2019 (COVID-19) just before being diagnosed with miliary tuberculosis. The patient had not been prescribed immunosuppressants and steroids.

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Obesity is among the risk factors for male infertility. Although several mechanisms underlying obesity-induced male subfertility have been reported, the entire mechanism of obesity-induced male infertility still remains unclear. Here, we show that sperm count, sperm motility and sperm fertilizing ability were decreased in male mice fed a high-fat diet and that the expression of the AdipoR1 gene and protein was decreased, and the expression of pro-apoptotic genes and protein increased, in the testis from mice fed a high-fat diet.

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Objectives: To ascertain whether a mobile patient lift facilitates early mobilization in ventilated ICU patients.

Design: A single-center, open-label, randomized controlled trial.

Setting: An academic ICU in Tokyo.

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Background: Liver fibrosis is a major risk factor for hepatocellular carcinoma (HCC). We have previously reported that differentially methylated regions (DMRs) are correlated with the fibrosis stages of metabolic dysfunction-associated steatotic liver disease (MASLD). In this study, the methylation levels of those DMRs in liver fibrosis and subsequent HCC were examined.

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This case report presents an unusual occurrence of pulmonary aspergillosis caused by in a 26-year-old male patient. The patient is from Nepal and had no significant medical history and was previously in good health. Chest computed tomography (CT) scans revealed localized bronchiectasis primarily in the left inferior lingular segment and the left lower lobe.

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Among major histological subtypes of epithelial ovarian cancer, a higher incidence of ovarian clear cell carcinoma (OCCC) is observed in East Asian populations, particularly in Japan. Despite recent progress in the immune checkpoint inhibitors for a wide variety of cancer cell types, patients with OCCC exhibit considerably low response rates to these drugs. Hence, urgent efforts are needed to develop a novel immunotherapeutic approach for OCCC.

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This study aimed to investigate the association of sarcopenia and type 2 diabetes (T2D) with blood parameters, nutrient intake, and physical activity in older Korean adults. We divided 2952 participants into four groups: sarcopenic diabetes (SD), sarcopenia alone (S), diabetes alone (D), and non-sarcopenia and non-diabetes (NSND). Sarcopenia was defined by the appendicular skeletal muscle mass index, and T2D by fasting glucose levels or ongoing treatment.

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Enteral nutrients (ENs) affect the plasma drug concentration of orally co-administered drugs, particularly those of antiepileptic drugs, such as phenytoin and carbamazepine. However, few studies have reported the interactions of levetiracetam (LEV), an upcoming antiepileptic drug, with ENs. In this study we aimed to investigate the pharmacokinetics of LEV in 55 rats after oral co-administration of LEV with liquid or semisolid ENs.

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  • Coadministration of certain enteral nutrients (ENs) negatively impact the absorption of the antiepileptic drug phenytoin (PHT), but the underlying mechanisms remain unclear.
  • Researchers used a model with Caco-2 cells to investigate how different nutrients affect the permeability of PHT, finding that casein, digested soy protein, and dextrin significantly reduced its absorption, while digested casein had the opposite effect.
  • The study concludes that the composition of ENs can influence PHT absorption, which is crucial for determining the best ENs to use alongside oral PHT treatment.
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Despite the dramatic success of immune checkpoint blockers in treating numerous cancer cell types, current therapeutic modalities provide clinical benefits to a subset of patients with cervical cancers. CD47 is commonly overexpressed in a broad variety of cancer cells, correlates with poor clinical prognosis, and acts as a dominant macrophage checkpoint by interacting with receptors expressed on macrophages. It allows cancer cells to escape from the innate immune system and hence is a potential therapeutic target for developing novel macrophage checkpoint blockade immunotherapies.

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In the past decade, immune checkpoint inhibitors have exhibited potent antitumor efficacy against multiple solid malignancies but limited efficacy against pancreatic ductal adenocarcinoma (PDAC). Cluster of differentiation (CD) 47, a member of the immunoglobulin G superfamily, is overexpressed in the surface membrane of PDAC and independently correlates with a worse clinical prognosis. Furthermore, CD47 functions as a dominant macrophage checkpoint, providing a potent "do not eat me" signal to enable cancer cells to evade the innate immune system.

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  • The study investigates the link between glucagon-like peptide-1 receptor agonist (GLP-1RA) treatment and gastric residue during esophagogastroduodenoscopy in diabetic patients.
  • It involved 1,128 individuals and employed a matched pair case-control design to compare patients receiving GLP-1RA to those who were not, adjusting for factors like age and insulin treatment.
  • Results showed a significant increase in gastric residue among the GLP-1RA group, indicating that this treatment may affect gastric emptying in diabetes patients.
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  • This study investigates the relationship between self-stigma and HbA1c levels in Japanese adults with type 1 diabetes, an area previously under-researched.
  • Conducted in a Tokyo clinic, the study analyzed responses from 109 participants using a 9-item Self-Stigma Scale while controlling for various demographic and health factors.
  • Results indicated a significant positive correlation between self-stigma and higher HbA1c levels, suggesting that addressing self-stigma is important for managing glycemic outcomes in these individuals.
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Patients with pancreatic cancer (PC) often suffer from refractory ascites associated with peritoneal metastasis. This severely impairs activities of daily living and leads to an unfavorable prognosis. Cell-free and concentrated ascites reinfusion therapy (CART) has attracted attention as a promising therapy for relieving the symptoms of malignant ascites.

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In this study, we focused on the storage conditions and investigated the effects of low-temperature storage (10°C) on the dispersibility of active components in three formulations of fluorometholone (FLU) suspension eye-drops (one original drug and two generic drugs, P1-P3). For all three eye-drop products, before shaking by hand, white sediment anticipated to be the principal active component was seen at the vial base. In the ordinary-temperature storage group, the FLU contents per drop after shaking by hand were 0.

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Weighed food records together with an in-person interview approach constitute the most basic methods used to estimate energy and nutrient intakes in dietary surveys. In the background of the coronavirus disease-2019 pandemic, the need for non-face-to-face dietary surveys using information and communication technology (ICT) is increasing. We aimed to evaluate ICT-based dietary record surveys and identify factors that may enable this survey method to become more widely used in the future.

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  • The study focused on understanding the clinical features and use of sulfonylureas in diabetes patients aged 90 and older (nonagenarians) compared to younger patients.
  • It involved a retrospective analysis of 69 nonagenarians and 857 diabetic patients under 90, revealing that a higher percentage of nonagenarians were treated with sulfonylureas (45.5%) compared to younger groups (20-27.8%).
  • Despite attempts to reduce sulfonylurea dosages due to potential hypoglycemia, many nonagenarians continued their treatment for blood sugar control, indicating a possible trend of clinical inertia among this age group.
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Gynecologic malignancies are a heterogeneous group of female reproductive system tumors, including cervical, endometrial, ovarian, vaginal, and vulval cancers, and are the second most commonly diagnosed female cancers around the world [...

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Immune checkpoint blockade (ICB) therapy targeting the programmed death ligand-1 (PD-L1)/PD-1 axis has emerged as a promising treatment for uterine cervical cancer; however, only a small subset of patients with uterine cervical squamous cell carcinoma (SCC) derives clinical benefit from ICB therapies. Thus, there is an urgent unmet medical need for novel therapeutic strategies to block the PD-L1/PD-1 axis in patients with uterine cervical SCC. Here, we investigated the involvement of ezrin/radixin/moesin (ERM) family scaffold proteins, which crosslink several plasma membrane proteins with the actin cytoskeleton, on the plasma membrane localization of PD-L1 in BOKU and HCS-2 cells derived from human uterine cervical SCC.

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The interaction between enteral nutrients (ENs) and drugs co-administered through a nasogastric (NG) tube reportedly affects the absorption and resultant plasma concentrations of the respective drugs. However, the gastrointestinal absorption of carbamazepine (CBZ), an antiepileptic drug, co-administered with liquid ENs through an NG tube has not been clarified. In this study, we measured the recovery rate (%) of CBZ (Tegretol powder) passed through an NG tube when co-administered with distilled water or ENs (F2α, Racol NF, Ensure Liquid, and Renalen LP) of different compositions, frequently used in Japan.

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Programmed death ligand-1 (PD-L1) is one of the immune checkpoint molecule localized on the plasma membrane of numerous cancer cells that negatively regulates T-cell-mediated immunosurveillance. Despite the remarkable efficacy and safety profile of immune checkpoint inhibitors (ICIs), such as anti-PD-L1 antibodies, restricted poor therapeutic responses to ICIs are often observed in patients with ovarian cancer. Because higher expression of PD-L1 in advanced ovarian cancer is associated with a decreased survival rate, identifying the potential molecules to regulate the plasma membrane expression of PD-L1 may provide a novel therapeutic strategy to improve the efficacy of ICIs against ovarian cancers.

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Aims/introduction: The purpose of this retrospective observational cohort study was to compare outpatient diabetes care and glycated hemoglobin (HbA1c) level during the coronavirus disease 2019 pandemic in 2020 with 2019, and to compare the glucose-lowering effect of telemedicine and clinic visits during the state of emergency in Japan declared from 7 April to 25 May (inter-period) 2020.

Materials And Methods: A total of 13 weeks before and after the inter-period were designated as the pre-period and post-period, respectively. The number of study participants who had clinic visits during the pre-period and the post-period were 3,333 in 2020 and 3,608 in 2019.

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