Publications by authors named "Jung M Lee"

Background/aims: Metabolic dysfunction-associated steatotic liver disease (MASLD) is associated with various metabolic disorders; however, its relationship with thyroid cancer remains unclear. This study investigated the association between MASLD and the risk of thyroid cancer.

Methods: This retrospective cohort study used data from the Korean National Health Insurance Service database on individuals who underwent three or more health examinations between January 2002 and December 2015.

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Background: Peripheral T-cell lymphomas (PTCLs) are a rare and heterogeneous group of aggressive malignancies. This study aimed to comprehensively analyze patients diagnosed with PTCLs in Korea, evaluating treatment outcomes, including transplantation and long-term survival.

Patients And Methods: In this retrospective study, clinical data from the National Health Insurance Service on patients with PTCL were investigated.

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We report the complete genome sequence of strain BS22LVI, isolated from the mid-hindgut of whiteleg shrimp () in Korea. The 3,824,412 bp circular genome has a G + C content of 41.65% and encodes 3,828 predicted coding sequences, including genes associated with antimicrobial activity and quorum quenching.

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Background: The incidence of cardiovascular events (CVEs) among patients receiving nilotinib is a critical concern, particularly for those on long-term use. This study aimed to evaluate the incidence of CVEs among chronic myeloid leukemia (CML) patients and assess the efficacy of carotid artery ultrasonography (USG) in predicting CVEs in nilotinib-treated patients.

Methods: We retrospectively reviewed 218 patients diagnosed with CML chronic phase who received nilotinib at the Kyungpook National University Hospital, South Korea, from January 2000 to May 2024.

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Natural killer (NK) cells produce various cytokines, including interleukin (IL)‑1β, IL‑6, IL‑10, IL‑12, interferon γ, tumor necrosis factor α and transforming growth factor β, which are critical in modulating immune responses. NK cell‑conditioned medium (NK‑CdM), rich in cytokines, has potential applications in therapy and healing. The present study aimed to investigate the protective effect of NK‑CdM against ultraviolet B (UVB)‑mediated photoaging using and models.

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Atopic dermatitis (AD) is a chronic, relapsing inflammatory skin disease characterized by intense itching. Escin, derived from , has several pharmacological functions, including anti-inflammatory and anti-viral effects, and exhibits glucocorticoid-like actions in inflammatory responses. However, its impact on AD has not been extensively studied.

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This study evaluated the effects of a critical reflection program utilizing the Lasater Clinical Judgment Rubric (LCJR) reflective questions based on the Clinical Judgment Model (CJM) on newly graduated nurses' clinical judgment skills. A total of 153 newly graduated nurses scheduled for on-site training in a ward nursing unit were divided into a control group (receiving only the usual on-site training with preceptorship) and an experimental group (receiving the developed program with the same on-site training with preceptorship as the control group). Data were collected at baseline, 6 weeks, and 3 months after the intervention.

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Background/aims: To determine the effectiveness of tyrosine kinase inhibitor (TKI) plus reduced-intensity therapy in adult patients with newly diagnosed Philadelphia chromosome-positive acute lymphoblastic leukemia (Ph-positive ALL), this retrospective study compared treatment outcomes and induction mortality according to backbone regimen intensity.

Methods: The data of 132 patients diagnosed with Ph-positive ALL were retrospectively collected from five centers. Patients received imatinib plus intensive chemotherapy (modified VPD, KALLA1407, or hyper-CVAD) or reduced-intensity chemotherapy (EWALL) for curative purposes.

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In this study, we aimed to explore the relationships between knowledge of emergence delirium (ED) and nursing stress, practice, confidence, and performance levels, as well as to identify factors influencing the performance of recovery room nurses. We conducted a cross-sectional study with 135 recovery room nurses at a general hospital in South Korea. The nurses completed a questionnaire from April 12 to April 25, 2023.

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During a radiotherapy (RT) course, geometrical variations of target volumes, organs at risk, weight changes (loss/gain), tumor regression and/or progression can significantly affect the treatment outcome. Adaptive RT has become the effective methods along with technical advancements in imaging modalities including cone-beam computed tomography (CBCT). Planning CT (pCT) can be modified via deformable image registration (DIR), which is applied to the pair of pCT and CBCT.

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Exosomes derived from mesenchymal stem cells have shown promise in treating metabolic disorders, yet their specific mechanisms remain largely unclear. This study investigates the protective effects of exosomes from human umbilical cord Wharton's jelly mesenchymal stem cells (hWJMSCs) against adiposity and insulin resistance in high-fat diet (HFD)-induced obese mice. HFD-fed mice treated with hWJMSC-derived exosomes demonstrated improved gut barrier integrity, which restored immune balance in the liver and adipose tissues by reducing macrophage infiltration and pro-inflammatory cytokine expression.

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Solid pseudopapillary neoplasms (SPNs) are uncommon pancreatic tumors that primarily affect young females. We report a case of a 24-year-old female diagnosed with SPN and liver metastasis during a routine examination. Imaging revealed an 8-cm pancreatic mass with multiple liver metastases.

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This study aimed to assess the efficacy of hyperbaric oxygen therapy (HBOT) in patients with central retinal artery occlusion (CRAO) by analyzing changes in visual acuity (VA) and enhanced depth imaging optical coherence tomography (EDI-OCT) parameters. A comparative retrospective study was conducted by reviewing the medical records of all HBO-treated RAO patients in our department and comparing them with matched RAO patients who did not receive HBO treatment. All patients treated with HBO received treatment within 7 days of the onset of visual symptoms.

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Background: Using granulocyte colony-stimulating factor (G-CSF) after completing chemotherapy reduces the duration of neutropenia and infections. However, the efficacy and safety of prophylactic pegfilgrastim in acute lymphoblastic leukemia (ALL) patients have not yet been evaluated after intensive cytotoxic chemotherapy compared to the daily G-CSF. This study aimed to evaluate the efficacy of pegfilgrastim for ALL patients who received intensive chemotherapy compared with a short-acting G-CSF.

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Article Synopsis
  • Atopic dermatitis (AD) is a chronic skin condition that significantly affects patients' quality of life, and human placenta extract (HPH) shows promise in reducing inflammation and improving symptoms.
  • In lab tests, HPH was found to decrease harmful reactive oxygen species and restore important protective proteins in skin cells, while also suppressing inflammatory signals and immune responses linked to AD.
  • In mouse models, HPH reduced symptoms associated with AD, including skin inflammation and immune reactions, suggesting its potential as an effective treatment for the disease.
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Autophagy is essential for regulating hair growth. Accordingly, we developed autophagy activator ICP5249 (pentasodium tetracarboxymethyl palmitoyl dipeptide) and investigated its potential role in hair growth. We evaluated its effect on hair growth using human dermal papilla cells (hDPCs) culture model, human hair follicles (hHFs) organ culture model, and telogenic mouse model.

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Article Synopsis
  • Hair loss can happen to both boys and girls, no matter their age.
  • Myokines are special substances produced when we exercise, and some of them, like VEGF, IGF-1, and FGF, help hair grow.
  • This study found that irisin, another myokine, can also boost hair growth by activating a certain pathway in cells, making it a possible new way to treat hair loss.
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  • Lipid nanoparticles (LNPs) are emerging as promising carriers for therapeutic delivery, especially for nucleic acids like mRNA, to combat various diseases.
  • Researchers have created 3D-printed ring micromixers that enhance the production process by allowing precise control over LNP size and improving mRNA delivery efficiency.
  • These innovative micromixers can produce high-quality LNPs at a rapid rate of 68 mL/min, achieving low diameters and high encapsulation efficiency, effectively surpassing more expensive commercial mixers.
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Background: In 2021, South Korea had the highest incidence rate (49 per 100 000 population) and the third highest mortality rate (3.8 per 100 000 population) due to pulmonary tuberculosis (TB) among Organization for Economic Co-operation and Development countries. Notably, premature interruption of TB treatment interferes with TB control efforts.

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AP collagen peptides (APCPs) are enzymatically decomposed collagen peptides that contain tri-peptides such as glycine-proline-hydroxyproline. We found that APCPs increased the proliferation of both human dermal papilla cells (hDPCs) and human outer root sheath cells (hORSCs). APCPs also stimulated the secretion of several growth factors, including IGFBP-6, PDGF-AB, PIGF and VEGF in hDPCs.

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Article Synopsis
  • Impaired ion channels in the Golgi apparatus are linked to structural issues like fragmentation, which occurs alongside cognitive deficits in Alzheimer's disease.
  • Researchers identified a new protein called GolpHCat, crucial for regulating Golgi pH and memory, demonstrating unique electrical properties and inhibition by gluconate.
  • Studies involving GolpHCat-knockout mice showed that the absence of this protein leads to altered Golgi structure and impaired memory, highlighting it as a potential target for treating Golgi-related diseases and cognitive issues.
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Objective: Recent years have seen an increase in machine learning (ML)-based blood glucose (BG) forecasting models, with a growing emphasis on potential application to hybrid or closed-loop predictive glucose controllers. However, current approaches focus on evaluating the accuracy of these models using benchmark data generated under the behavior policy, which may differ significantly from the data the model may encounter in a control setting. This study challenges the efficacy of such evaluation approaches, demonstrating that they can fail to accurately capture an ML-based model's true performance in closed-loop control settings.

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