13,433 results match your criteria: "National University School of Medicine[Affiliation]"

Therapeutic Potential of Stearoyl-CoA Desaturase1 (SCD1) in Modulating the Effects of Fatty Acids on Osteoporosis.

Cells

October 2024

Department of Oral and Maxillofacial Surgery, Gyeongsang National University School of Medicine and Gyeongsang National University Hospital, Institute of Medical Sciences, Gyeongsang National University, Jinju 52727, Republic of Korea.

Osteoporosis is a common skeletal disease, primarily associated with aging, that results from decreased bone density and bone volume. This reduction significantly increases the risk of fractures in osteoporosis patients compared to individuals with normal bone density. Additionally, the bone regeneration process in these patients is slow, making complete healing difficult.

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Background And Purpose: Dementia, particularly Alzheimer's disease, is a significant global health concern, with early diagnosis and treatment development being critical goals. While numerous cohorts have advanced dementia research, there is a lack of comprehensive data on ethnic differences, particularly for the Korean population. The Korea-Registries to Overcome Dementia and Accelerate Dementia Research (K-ROAD) aims to establish a large-scale, hospital-based dementia cohort to address this gap, with a focus on understanding disease progression, developing early diagnostics, and supporting treatment advancements specific to the Korean population.

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Background And Purpose: We aimed to develop the diagnostic matrix of the Seoul Cognitive Status Test (SCST) and compare its performance with traditional paper-and-pencil neuropsychological tests, including the Seoul Neuropsychological Screening Battery-II (SNSB-II) and the Korean version of the Consortium to Establish a Registry for Alzheimer's Disease (CERAD-K).

Methods: We recruited 197 participants from the head-to-head SCST-SNSB cohort, and 204 participants from the head-to-head SCST-CERAD cohort. They underwent either SNSB-II or CERAD-K, in addition to SCST.

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Endoscopic vacuum therapy (EVT) has emerged as a transformative approach for managing gastrointestinal (GI) transmural defects, offering a less invasive and more promising alternative to surgery. Initially developed to address anastomotic leaks after rectal surgery, the application of EVT has expanded to include other locations within the GI tract. This review investigated the principles, indications, procedures, outcomes, challenges, and future perspectives of EVT for the management of GI transmural defects.

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Background And Purpose: The coronavirus disease 2019 (COVID-19) pandemic has significantly impacted people's lifestyles, changing sleep patterns. This study investigated changes in sleep patterns and disturbances in South Koreans over the past decade, including during the pandemic.

Methods: We compared data from the Korean Sleep Headache Society Phase I survey (n = 2484; conducted in 2010) and the National Sleep Survey of South Korea 2022 (n = 3729; conducted in 2022), involving participants aged 20-69 years.

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Background/aims: We previously reported that patients with moderate-to-severe ulcerative colitis (UC) often experience common mental disorders (CMDs) such as anxiety and depression, necessitating immediate psychological interventions within the first 4 weeks of diagnosis. In this 3-year follow-up study of the MOSAIK cohort in Korea, we examined the effects of CMDs at initial diagnosis on clinical outcomes and health-related quality of life (HRQoL).

Methods: We examined differences in clinical outcomes (evaluated based on clinical response, relapse, hospitalization, and medication use) and HRQoL (assessed using the Inflammatory Bowel Disease Questionnaire [IBDQ] and Short Form 12 [SF-12]) according to Hospital Anxiety and Depression Scale (HADS) scores at diagnosis.

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Article Synopsis
  • Episodic ataxia type 2 (EA2) is a genetic disorder causing dizziness and coordination issues, linked to mutations in the calcium channel gene; this study focused on assessing intellectual abilities in affected individuals.
  • Researchers evaluated 13 patients in South Korea using the Wechsler Intelligence Scales and found that most had below-average IQ scores, with significant cognitive deficits across multiple areas.
  • The findings suggest that individuals with EA2 may experience hidden intellectual disabilities unrelated to epilepsy; therefore, early diagnosis and management are crucial to prevent further brain function decline and may benefit from genetic counseling.
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Background: The age at onset (AAO) of Parkinson's disease (PD) varies widely among individuals and significantly influences disease progression and prognosis. However, few genome-wide association studies (GWASs) have investigated genetic variants determining AAO, particularly in East Asian populations.

Objectives: To identify single-nucleotide polymorphisms (SNPs) affecting AAO of PD in Korean patients.

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Optimizing anemia management using artificial intelligence for patients undergoing hemodialysis.

Sci Rep

November 2024

Department of Internal Medicine, Kangwon National University Hospital, Kangwon National University School of Medicine, 156, Baengnyeong-ro, Chuncheon, 24289, Gangwon-do, Republic of Korea.

Patients with end-stage kidney disease (ESKD) frequently experience anemia, and maintaining hemoglobin (Hb) levels within a targeted range using erythropoiesis-stimulating agents (ESAs) is challenging. This study introduces a gated recurrent unit-attention-based module (GAM) for efficient anemia management among patients undergoing chronic dialysis and proposes a novel alert system for anticipating the need for red blood cell transfusions. Data on demographic characteristics, dialysis metrics, drug administration, laboratory tests, and transfusion history were retrospectively collected from patients undergoing hemodialysis at Kangwon National University Hospital between 2017 and 2022.

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Background: Eupatilin, a flavone isolated from Artemisia species, exerts anti-inflammatory, anti-oxidative, and anti-neoplastic activities. However, the effects of eupatilin on H. pylori-associated gastritis remain unclear.

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Backgruound: Liver fibrosis is a common outcome of chronic liver disease and is primarily driven by hepatic stellate cell (HSC) activation. Irisin, a myokine released during physical exercise, is beneficial for metabolic disorders and mitochondrial dysfunction. This study aimed to explore the effects of irisin on liver fibrosis in HSCs, a bile duct ligation (BDL) mouse model, and the associated mitochondrial dysfunction.

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Background: mutations are associated with poor prognosis in myelodysplastic neoplasm (MDS) and AML. The updated 5th WHO classification and International Consensus Classification (ICC) categorize -mutated MDS and AML as unique entities. We conducted a multicenter study in Korea to investigate the characteristics of -mutated MDS and AML, focusing on diagnostic aspects based on updated classifications.

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Reduction of neck pain severity in patients with medication-overuse headache.

J Headache Pain

November 2024

Department of Neurology, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, 7, Keunjaebong-gil, Hwaseong-si, Gyeonggi-do, 18450, Korea.

Background: Neck pain and primary headache disorders are highly prevalent in populations and clinical cohorts. Medication-overuse headache (MOH) is a treatable secondary headache, mainly developing in migraine sufferers, that accounts for the majority of patients presenting to headache clinics. Nevertheless, the association between neck pain and MOH has not been reported.

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Objective: To evaluate whether breast parenchymal features of the contralateral breast on preoperative MRI are associated with primary breast cancer characteristics and disease-free survival (DFS) in women with invasive breast cancer.

Materials And Methods: Women with newly diagnosed invasive breast cancer who underwent preoperative breast MRI followed by surgery were retrospectively evaluated. Background parenchymal enhancement (BPE) on dynamic contrast-enhanced MRI and background diffusion signal (BDS) on diffusion-weighted MRI of the contralateral breast were qualitatively assessed using a four-category scale: minimal, mild, moderate, or marked.

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Article Synopsis
  • The study assessed the effectiveness of different sampling methods for next-generation sequencing (NGS) in lung cancer diagnostics, based on data from patients at Pusan National University Hospital.
  • Overall, NGS yielded a high success rate of 97.5% across 319 patients, with no significant differences in DNA sequencing success between surgical (98%) and nonsurgical (96.4%) methods.
  • However, surgical methods had a lower success rate for RNA sequencing (78%) compared to nonsurgical methods (92.3%), suggesting a need for improved protocols to mitigate RNA degradation during surgical sampling.
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  • Patients undergoing complex high-risk PCI are still at high risk for adverse events despite standard dual antiplatelet therapy (DAPT).
  • The TAILORED-CHIP trial aims to compare a tailored antiplatelet strategy with an early escalation and late de-escalation approach against conventional DAPT.
  • The study's primary focus is on the net clinical outcome, measuring serious events like death, heart attack, stroke, and significant bleeding within 12 months after the procedure.
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  • The study evaluated the effectiveness of using 3D transesophageal echocardiography to determine balloon size for percutaneous mitral balloon commissurotomy (PMBC) in patients with mitral stenosis (MS).
  • Traditional methods of selecting balloon size rely on a patient's height or body surface area, which may not be as accurate as the new approach based on mitral valve measurements.
  • Results showed that using optimized formulas for balloon size selection led to different outcomes in groups with successful PMBC, residual MS, or significant mitral regurgitation (MR), suggesting that 3D measurements can improve treatment efficacy.
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Diet-related behaviors affecting health and substance use among children and adolescents.

Clin Exp Pediatr

December 2024

Department of Pediatrics, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea.

Unhealthy diet-related behaviors and poor diet quality during childhood and adolescence are the main factors contributing to noncommunicable diseases such as obesity, dyslipidemia, diabetes, hypertension, and cardiometabolic syndrome. Unhealthy diet-related behaviors can become lifelong habits associated with mental health problems, including depression, anxiety, attention deficit hyperactivity disorder, and substance abuse issues such as smoking, drinking, and other chemical compounds. Children and adolescents are in the developmental stages of brain structure, function, and neurotransmission systems, which can make them more susceptible to substance abuse (tobacco, alcohol, and drugs).

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TGFβ2-Driven Ferritin Degradation and Subsequent Ferroptosis Underlie Salivary Gland Dysfunction in Postmenopausal Conditions.

Adv Sci (Weinh)

December 2024

Department of Oral Biochemistry, Dental and Life Science Institute, School of Dentistry, Pusan National University, Yangsan, 50612, Republic of Korea.

Despite the high incidence of dry mouth in postmenopausal women, its underlying mechanisms and therapeutic interventions remain underexplored. Using ovariectomized (OVX) mouse models, here this study identifies ferroptosis, an iron-dependent regulated cell death, as a central mechanism driving postmenopausal salivary gland (SG) dysfunction. In the OVX-SGs, TGFβ signaling pathway is enhanced with the aberrant TGFβ2 expression in SG mesenchymal cells.

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Article Synopsis
  • - Benign prostatic hyperplasia (BPH) is primarily a urinary tract issue in older males, and this study evaluated the anti-proliferative effects of two natural extracts, CR and Syzygium aromaticum (SA), on BPH symptoms in lab tests with cells and rats.
  • - Experimental results indicated that the combination of CR and SA extracts significantly reduced cell proliferation and various biomarkers related to BPH when tested on RWPE-1 cells and testosterone-induced BPH rats, showing promising effects compared to individual extracts.
  • - The study concludes that the CR and SA extracts may help alleviate BPH symptoms through their anti-inflammatory and antioxidant properties, supporting their potential as natural treatment options.
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The Physical Activity Paradox in Low Muscle Mass in Middle-Aged and Older Adults.

Am J Prev Med

February 2025

Human Community Renovation Research Center, R Professional University of Rehabilitation, Tsuchiura, Ibaraki, Japan; Faculty of Rehabilitation, R Professional University of Rehabilitation, Tsuchiura, Ibaraki, Japan. Electronic address:

Introduction: Physical activity is widely accepted as a therapeutic approach to age-related muscle mass loss. However, it is unclear whether all physical activity domains benefit muscle mass maintenance. This study investigated the association between low muscle mass and domain-specific physical activity, including leisure-time and occupational moderate-to-vigorous physical activity (MVPA).

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