4,047 results match your criteria: "Osaka City University Medical School[Affiliation]"

Objective: The aim of this study was to investigate the occurrence of deaths due to psychotropic drugs in south Osaka during a 10-year period and discuss societal factors from a medical viewpoint.

Methods: Psychotropic drug-related deaths were retrospectively investigated based on the forensic postmortem data of 1,746 decedents in 2005-2014, and we excluded cases in which stimulant drugs were detected. Of these, 133 cases (7.

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The concept of nomography was developed around 1880 as a means to compute formulas graphically. Regular use has decreased over time in most fields, mainly owing to progress in electronic computation devices. In forensic pathology, nomography is still used in the so-called "nomogram method" for the estimation of time since death.

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Clinical and radiologic analysis of on-demand use of etanercept for disease flares in patients with rheumatoid arthritis for 2 years: The RESUME study: A case-control study.

Medicine (Baltimore)

September 2018

Department of Rheumatosurgery Department of Orthopaedic Surgery Center for Senile Degenerative Disorders, Osaka City University Medical School, Abeno-ku, Osaka Search Institute for Bone and Arthritis Disease (SINBAD), Shirahama Foundation for Health and Welfare, Shirahama-cho, Wakayama Department of Orthopaedic Surgery, Osaka City General Hospital, Miyakojima-ku Department of Orthopaedic Surgery, Osaka City Juso Hospital, Yodogawa-ku Orthopaedic Surgery, Fujiidera Municipal Hospital, Fujiidera City, Osaka, Japan.

To reduce costs of biological disease-modifying antirheumatic drugs (bDMARDs), we evaluated the efficacy of repeated etanercept (ETN) discontinuation and restarting in rheumatoid arthritis (RA) patients in a case-control study.Thirty-one bDMARD-naive RA patients with moderate to high disease activity received ETN until low disease activity (LDA) was achieved, after which ETN was discontinued. Upon flaring, ETN was readministered with observation every 2 months for 2 years, and radiographically evaluated in comparison with a historical control group treated continuously with ETN.

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Aim: Patients with rheumatoid arthritis (RA) show lower muscle mass and a higher prevalence of sarcopenia than healthy individuals. Correlations between sarcopenia and disease activity, physical function, laboratory data and body composition at baseline were investigated in a prospective, observational study (CHIKARA study) of RA patients.

Methods: Body composition was measured using a bioelectrical impedance analyzer.

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Aim: The aim of this study was to determine and to verify the correlation between the amount of prolactin (PRL) levels in the blood and in the cerebrospinal fluid (CSF) by various causes of death as an indicator for acute hypoxia in autopsy cases. It is to confirm the cause of the change in prolactin level in CSF by in vitro system.

Materials And Methods: In autopsy materials, the PRL levels in blood from the right heart ventricle and in the CSF were measured by chemiluminescent enzyme immunoassay, and changes in the percentage of PRL-positive cells in the pituitary gland were examined using an immunohistochemical method.

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Article Synopsis
  • * Mycobacteria produce a unique histone-like protein, MDP1, which has a long C-terminal IDR that is crucial for DNA compaction and growth regulation.
  • * Research shows that MDP1's IDR is essential for preventing genome spreading in stationary Mycobacterium smegmatis, demonstrating the importance of IDR in bacterial histone function.
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Methamphetamine (MA) is an illicit stimulant that affects the central nervous system. Cytochrome P450 2D6 (CYP2D6) plays an important role in MA metabolism. Numerous allelic variants confer substantial variation in CYP2D6 activity among individuals.

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Background: Adverse intracranial events after spinal surgery were related with intracranial hypotension due to surgical injury of dura mater.

Case Presentation: A 72-year-old woman received posterior lumbar interbody fusion under general anesthesia. Immediately after the patient was transitioned to the supine position and muscular relaxants were reversed, she developed generalized seizure.

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Validation study of a self-administered diet history questionnaire for estimating amino acid intake among Japanese adults.

Asia Pac J Clin Nutr

September 2019

Department of Food Science and Nutrition, School of Human Science and Environment, University of Hyogo, Hyogo, Japan.

Background And Objectives: Despite growing interest in the association between dietary amino acid intake and optimal health, validated dietary questionnaires that can estimate amino acid intake have been scarce. We examined the validity of amino acid intakes estimated using a self-administered diet history questionnaire (DHQ) comparing with 16-day semi-weighed dietary records (DR).

Methods And Study Design: A total of 184 Japanese men and women completed a four-day DR and a DHQ four times, once in each season.

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It is sometimes necessary to determine whether a forensic biological sample came from a Japanese person. In this study, we developed a 60-locus SNP assay designed for the differentiation of Japanese people from other East Asians using entirely and nearly Japanese-specific alleles. This multiplex assay consisted of 6 independent PCR reactions followed by single nucleotide extension.

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DRD2/ANKK1 gene polymorphisms in forensic autopsies of methamphetamine intoxication fatalities.

Leg Med (Tokyo)

April 2018

Department of Forensic Medicine, Faculty of Medicine, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan.

Dopamine D2 receptor/ankyrin repeat and kinase domain containing 1 (DRD2/ANKK1) gene polymorphisms have been associated with responses to psychotropic drugs and addiction. We analyzed two DRD2/ANKK1 polymorphisms, Taq1A and -141C Ins/Del, in 37 fatal methamphetamine (MA) intoxication cases and 235 control cases in which MA and psychotropic drugs were not detected. The association among polymorphism, cause of death, and cerebrospinal fluid (CSF) dopamine concentration was evaluated.

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Article Synopsis
  • The study examined the prevalence and impact of functional mitral and tricuspid regurgitation (MR and TR) in patients with atrial fibrillation (AF) and preserved left ventricular ejection fraction (LVEF).
  • Out of 298 selected patients with AF and LVEF ≥50%, significant MR was found in 8.1% and TR in 15%, with higher rates in those with AF lasting more than 10 years.
  • The presence of significant MR and TR was linked to worse health outcomes, including a 12% occurrence of cardiac events, suggesting these patients may require more aggressive treatment.
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Evaluation of work disability in Japanese patients with rheumatoid arthritis: from the TOMORROW study.

Clin Rheumatol

July 2018

Department of Orthopaedic Surgery, Shirahama Hamayu Hospital, 1447 Shirahamacho, Nishimurogun, Wakayama, 649-2211, Japan.

Article Synopsis
  • The study assessed work disability and related factors in 191 rheumatoid arthritis (RA) patients and a matched group of non-RA individuals in Japan as part of the TOMORROW cohort study.
  • There were no significant differences in employment status, absenteeism, presenteeism, or overall work impairment between RA and non-RA groups among full and part-time workers; however, home workers with RA experienced higher activity impairment.
  • RA patients working from home had lower quality of life, more daily activity limitations, and higher disease activity compared to those working full-time or part-time.
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Virtual computed tomography morphometry of the patella for estimation of sex using postmortem Japanese adult data in forensic identification.

Forensic Sci Int

April 2018

Department of Legal Medicine, Osaka City University Medical School, Asahi-machi 1-4-3, Abeno, Osaka 545-8585, Japan; Medico-legal Consultation and Postmortem Investigation Support Center, c/o Osaka City University Medical School, Asahi-machi 1-4-3, Abeno, Osaka 545-8585, Japan.

In forensic anthropological identification of human remains and single bones, computed tomography (CT) data analysis facilitates volumetric and radiographic density analyses, and a recently developed automated analysis system markedly improved the performance, accuracy, and reproducibility of three-dimensional (3-D) reconstruction. The present study aimed to investigate virtual CT morphometry of the patella for the estimation of sex using postmortem CT data of forensic autopsy cases of Japanese individuals aged ≥18 years (total n=220; 110 males and 110 females; estimated postmortem interval <88h), especially with regard to the efficacy of 3-D bone volumetry. Sex-related differences were detected for all parameters (males>females; p<0.

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Aim: The optimal combination of two currently available agents with different mechanisms of action, a nucleos(t)ide analog and pegylated interferon-α (PegIFNα), must be determined to improve treatment of chronic hepatitis B (CHB).

Methods: In this study, 24 patients with CHB (14 hepatitis B envelope antigen [HBeAg]-positive patients and 10 HBeAg-negative patients) received entecavir for 36-52 weeks, followed by entecavir plus Peg-IFNα2a for 4 weeks, and finally by PegIFNα-2a alone for 44 weeks.

Results: A sustained biochemical, virologic, and serologic response was obtained in 7/24 (29%) patients at 48 weeks post-treatment (2/14 [14%] in HBeAg-positive vs 5/10 [50%] in HBeAg-negative patients, P = 0.

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We investigated the influence of abatacept (ABT) on bone mineral density (BMD) and bone metabolic markers (BMMs) in patients with rheumatoid arthritis (RA) compared to other biologic disease-modifying anti-rheumatic drugs (bDMARDs). This prospective, comparative, non-randomized study (the AIRTIGHT study; UMIN000005570) investigated the effects of ABT and other bDMARDs on bone metabolism. A total of 165 RA patients were divided into ABT (n = 50) and non-ABT (n = 115).

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Atopic dermatitis (AD) is a chronic and relapsing inflammatory skin disease with increased immunoglobulin E (IgE) levels. Activation of the mammalian target of rapamycin (mTOR)/p70 ribosomal protein S6 kinase (p70S6K) signaling is known to occur in the inflammatory regions of AD skin. We previously demonstrated that red ginseng extract (RGE), as an anti-inflammatory agent, had potential for treating AD.

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Age estimation is a crucial part of forensic investigations. Because different parts of the body are often found at crime scenes, it is important to explore the regions that can be used for age estimation. Previous studies have used simple X-ray to analyze changes in costal cartilage calcification as a measure of age.

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Neuroblastic tumors (NT) with opsoclonus-myoclonus syndrome (OMS) display characteristic histological features, such as lymphocytic infiltration with lymphoid follicles, indicating an underlying immune response. We retrospectively assessed NT patients from 2001 to 2016. Five cases of NT with OMS and 76 cases of NT without OMS were histopathologically reviewed in this study.

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Article Synopsis
  • Mycobacterium avium subsp. hominissuis (MAH) is a common non-tuberculous mycobacterium linked to chronic lung disease, but its genetic evolution remains poorly understood.
  • A study analyzed the genetic structure and recombination of 36 global MAH isolates, revealing five major lineages with significant genetic exchange, especially among Japanese strains.
  • Unique genetic alleles related to trehalose biosynthesis and mammalian cell entry were identified in East Asian lineages, indicating a role of recombination in local adaptation and genetic diversity.
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The E693Δ (Osaka) mutation in APP is linked to familial Alzheimer's disease. While this mutation accelerates amyloid β (Aβ) oligomerization, only patient homozygotes suffer from dementia, implying that this mutation is recessive and causes loss-of-function of amyloid precursor protein (APP). To investigate the recessive trait, we generated a new mouse model by knocking-in the Osaka mutation into endogenous mouse APP.

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Decreased levels of PDI and P5 in oligodendrocytes in Alzheimer's disease.

Neuropathology

December 2017

Department of Pharmacoepidemiology, Graduate School of Medicine and Public Health, Kyoto University, Japan.

Protein disulfide isomerase (PDI) is a chaperone protein located in the endoplasmic reticulum (ER). Nitric oxide-induced S-nitrosylation of PDI inhibits its enzymatic activity, leading to protein accumulation and activation of the unfolded protein response. Protein disulfide isomerase P5 (P5) is a member of the PDI family that mostly localizes to the ER lumen.

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Androgen deprivation therapy is initially effective for treating patients with advanced prostate cancer; however, the prostate cancer gradually becomes resistant to androgen deprivation therapy, which is termed castration-resistant prostate cancer (CRPC). Androgen receptor splice variant 7 (AR-V7), one of the causes of CRPC, is correlated with resistance to a new-generation AR antagonist (enzalutamide) and poor prognosis. Heat shock protein 70 (Hsp70) inhibitor is known to decrease the levels of full-length AR (AR-FL), but little is known about its effects against CRPC cells expressing AR-V7.

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