Publications by authors named "Tae Y Lee"

Article Synopsis
  • Systemic lupus erythematosus (SLE) is a chronic autoimmune disease where hyper-activated B cells produce autoantibodies, causing symptoms.
  • Research found that naïve mesenchymal stem cells (MSCs) inhibit T cell activity but not B cell IgM production, leading to a study on how to enhance MSC function.
  • Treatment with ingenol-3-angelate (I3A) primes MSCs to inhibit B cells through the secretion of TGF-β1, showing improved effectiveness in alleviating SLE symptoms in mice.
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Hepatocellular carcinoma (HCC) is the most common primary liver cancer, the incidence of which is rising globally. Despite recent advancements in immunotherapeutic and surgical treatment modalities, the prognosis for HCC remains poor. The surgical treatment strategy for HCC comprises a multimodal effort that ranges from ablative therapy and surgical resection to liver transplantation.

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  • The study evaluates the effectiveness of laser ablation as a treatment for benign eyelid margin tumors compared to traditional shaving biopsy, aiming to provide a better therapeutic option.
  • A total of 66 patients were analyzed, with 34 receiving laser treatment and 33 undergoing shaving excision; results showed no complications in the laser group and faster healing times.
  • The findings suggest that laser ablation is a preferable method, leading to better cosmetic outcomes and no reports of recurrence or significant complications post-treatment.
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Background: Laparoscopic cholecystectomy, being a prevalent abdominal surgical procedure, has transitioned through various innovative stages aimed at reducing the procedure's invasiveness. These stages encompass Single-Incision Laparoscopic Cholecystectomy (SILC), Mini Laparoscopic Cholecystectomy (MLC), Natural Orifice Transluminal Endoscopic Surgery (NOTES), and Robotic-Assisted Laparoscopic Cholecystectomy (RALC). The purpose of this review is to trace the evolution of minimally invasive cholecystectomy techniques, assess their status, and identify emerging trends and challenges in the field.

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Background & Objectives: The increasing proportion of elderly populations has led to a rise in chronic diseases and frequent transfers between long-term care hospitals (LTCHs) and emergency departments (EDs). This study investigates the patterns of risk factors of initial-transfers and subsequent re-transfers among patients aged 65 or older. Specifically, we focus on those re-transferred from LTCHs to EDs within 48 h of discharge, often without adequate treatment.

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Objective: To identify the COVID-19 pandemic impact on well-being/mental health, coping strategies, and risk factors in adolescents worldwide.

Method: This study was based on an anonymous online multi-national/multi-language survey in the general population (representative/weighted non-representative samples, 14-17 years of age), measuring change in well-being (World Health Organization-Five Well-Being Index [WHO-5]/range = 0-100) and psychopathology (validated composite P-score/range = 0-100), WHO-5 <50 and <29, pre- vs during COVID-19 pandemic (April 26, 2020-June 26, 2022). Coping strategies and 9 a priori- defined individual/cumulative risk factors were measured.

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Article Synopsis
  • The early microbiota in newborns is essential for their immune system and overall health, influencing physiological, metabolic, and neurological functions.
  • The study included a cohort of 73 mothers and 87 neonates, along with a larger retrospective cohort, to explore factors affecting the neonatal oral microbiome diversity, especially focusing on mother-to-newborn microbial transmission.
  • Findings indicated that birth type significantly impacts microbiome diversity, with preterm infants showing less diversity and a higher presence of harmful bacteria, which could have important health implications for their development.
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  • Defects in the ataxin-2 protein and its gene are linked to spinocerebellar ataxia type 2 (SCA2), a neurodegenerative disorder, which has prompted interest in using human mesenchymal stem cells (hMSCs) for potential treatment.
  • In a study, hMSCs were injected into SCA2 mice, resulting in improved motor coordination and protection of Purkinje cells as assessed over several weeks.
  • The findings suggest that repeated hMSC administration helps preserve cerebellar neurons and enhances neurotrophic support, offering a promising avenue for alleviating symptoms of SCA2.
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Background: To clarify if blood proteins can predict disease progression among individuals at clinical high-risk of severe mental illness (CHR-SMI), we developed a statistical model incorporating clinical and blood protein markers to distinguish the transition group (who developed severe mental illness) (CHR-SMI-T) and from non-transition group (CHR-SMI-NT) at baseline.

Methods: Ninety individuals (74 at CHR-SMI: 16 patients) were monitored for ≤4 years and were the focus of predictive models. Three predictive models (1 [100 clinical variables], 2 [158 peptides], and 3 [100 clinical variables +158 peptides]) were evaluated using area under the receiver operating characteristic (AUROC) values.

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  • The COH-FIT study is a large, multi-country survey aimed at identifying factors affecting wellbeing and mental health outcomes during the COVID-19 pandemic, involving a representative sample of 121,066 adults.
  • Researchers analyzed both modifiable (like coping strategies and pre-pandemic stress) and non-modifiable factors (such as age, gender, and socioeconomic status), finding significant negative effects on wellbeing and psychopathology scores during the pandemic.
  • The study identified 15 modifiable and 9 non-modifiable risk factors, alongside 13 modifiable and 3 non-modifiable protective factors, emphasizing the importance of social support and coping strategies in mental health outcomes.
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Article Synopsis
  • There is a lack of comprehensive international studies examining multidimensional mental health and wellbeing before and during the COVID-19 pandemic, particularly identifying at-risk groups and effective coping strategies.
  • The COH-FIT survey, conducted from April 2020 to June 2022 in 30 languages, assessed changes in well-being and psychopathology among over 121,000 participants, revealing significant declines in mental health during the pandemic.
  • Key findings indicated that certain demographics, such as young adults and people in low-income countries, were particularly affected, while coping strategies like exercise, internet use, and maintaining social contacts emerged as the most effective for managing stress.
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The presence of trace water impurities in organic solvents can significantly influence chemical reactions and product quality; thus, the accurate detection of water content in these solvents is a critical requirement for industrial applications. Accordingly, an eco-friendly, effective, and economical sensor for detecting trace quantities of miscible water in organic solvents is required for industrial applications. In this study, we synthesized biomass-derived multi-atom-doped carbon dots (MACDs) as fluorescent probes and employed them for the detection of trace amounts of water impurities in several water-miscible organic solvents.

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Hydroxyapatite (HA) exhibits outstanding biocompatibility, bioactivity, osteoconductivity, and natural anti-inflammatory properties. Pure HA, ion-doped HA, and HA-polymer composites are investigated, but critical limitations such as brittleness remain; numerous efforts are being made to address them. Herein, the novel self-crystallization of a polymeric single-stranded deoxyribonucleic acid (ssDNA) without additional phosphate ions for synthesizing deoxyribonucleic apatite (DNApatite) is presented.

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Background: Recent studies have indicated that clinical high risk for psychosis (CHR-P) is highly specific for psychotic disorders other than pluripotential to various serious mental illnesses. However, not all CHR-P develop psychotic disorder only, and psychosis can occur in non-psychotic disorders as well. Our prospective cohort study aims to investigate the characteristics and clinical outcomes of a pluripotent high-risk group with the potential to develop a diverse range of psychiatric disorders.

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Background: Exacerbation frequency strongly influences treatment choices in patients with severe asthma.

Research Question: What is the extent of the variability of exacerbation rate across countries and its implications in disease management?

Study Design And Methods: We retrieved data from the International Severe Asthma Registry, an international observational cohort of patients with a clinical diagnosis of severe asthma. We identified patients aged ≥ 18 years who did not initiate any biologics prior to baseline visit.

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Introduction: Liver transplantation (LT) is a complex and demanding procedure associated with significant perioperative challenges and risks. Concerns have arisen regarding LT outcomes in low-volume centers. We implemented an integrated training and surgical team network to address these concerns within the Catholic Medical Center (CMC) network.

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Lumbar plexus blocks (LPBs) are routinely employed for analgesia in hip fracture surgery; however, a novel regional technique, the pericapsular nerve group (PENG) block, potentially offers comparable pain reduction while preserving motor function. Patients aged 45-90 years who underwent hip fracture surgery were allocated to receive either a PENG block or an LPB for analgesia. The primary outcome was the incidence of quadriceps motor block (defined as the paresis or paralysis of the knee extension) at 12 h postoperatively.

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Background And Hypothesis: Recent evidence has highlighted the benefits of early detection and treatment for better clinical outcomes in patients with psychosis. Biological markers of the disease have become a focal point of research. This study aimed to identify protein markers detectable in the early stages of psychosis and indicators of progression by comparing them with those of healthy controls (HC) and first episode psychosis (FEP).

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Background: Patients with chronic obstructive pulmonary disease (COPD) are at increased risk of cardiovascular disease (CVD). The extent to which the excess CVD risk is captured by risk factors in QRISK, a widely used CVD risk scoring tool, is not well studied.

Methods: We created an incidence cohort of diagnosed COPD patients from the United Kingdom (UK) Clinical Practice Research Datalink GOLD database (January 1998-July 2018).

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We investigated pharmacotherapy trends for obsessive-compulsive disorder (OCD) patients at a Korean tertiary hospital from 2008 to 2017. Out of 1894 patients, 82.9% received at least one psychotropic medication, with prescription rates increasing over time.

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Antipsychotic polypharmacy (APP) has become prevalent over the years, but several concerns have been raised over APP. Accumulating evidence suggests that aripiprazole long-acting injectable (LAI) may reduce the rate of APP, but the association remains speculative. This retrospective observational study included 127 patients with psychosis and observed them for 1.

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