Publications by authors named "MiSeon Lee"

Introduction: Human papillomavirus circulating tumor DNA (HPV ctDNA) is a promising biomarker for monitoring cervical cancer. HPV ctDNA level at baseline (before treatment) reflects tumor burden. However, reported HPV ctDNA detection rates at baseline have shown variations across studies, suggesting the existence of other potential contributing factors.

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Introduction: Amid the COVID-19 pandemic, outpatients' concerns about infection risk have increased. It is crucial to understand the factors that contribute to this fear of infection to promote patient safety and encourage outpatients to seek proper follow-up treatment without fear. This study aims to understand the relationship between outpatients' experiences of patient safety and their fear of infection.

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Introduction: Triple-negative breast cancer (TNBC) is associated with alterations in the retinoblastoma pathway. As a consequence of retinoblastoma protein (pRB) loss, compensatory upregulation of p16 occurs due to the loss of phosphorylated pRB-mediated negative feedback on p16 expression. The aim of this study is to investigate the clinicopathological and genomic characteristics associated with the diffuse pattern of p16 immunohistochemistry (IHC) in TNBC.

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This study used artificial intelligence (AI)-based analysis to investigate the immune microenvironment in endometrial cancer (EC). We aimed to evaluate the potential of AI-based immune metrics as prognostic biomarkers. In total, 296 cases with EC were classified into 4 molecular subtypes: polymerase epsilon ultramutated (POLEmut), mismatch repair deficiency (MMRd), p53 abnormal (p53abn), and no specific molecular profile (NSMP).

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Colorectal cancer (CRC) is a significant public health issue owing to its widespread occurrence and substantial morbidity and mortality rates. Recent studies have highlighted serum uric acid (SUA) level as a probable risk factor for CRC; however, the inconsistency in these findings has created doubt. We performed a Mendelian randomization (MR) study utilizing extensive cohort data from the UK BioBank and the NHGRI-EBI Genome-Wide Association Study (GWAS) Catalog to investigate the causal connection between SUA levels and CRC incidence.

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Our study aimed to expand tumor-infiltrating lymphocytes (TILs) from primary non-small cell lung cancers (NSCLCs) and evaluate their reactivity against tumor cells. We expanded TILs from 103 primary NSCLCs using histopathological analysis, flow cytometry, IFN-γ release assays, cell-mediated cytotoxicity assays, and in vivo efficacy tests. TIL expansion was observed in all cases, regardless of EGFR mutation status.

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Article Synopsis
  • A previous study established a classification system for triple-negative breast cancer (TNBC) that aligns with molecular subtypes.
  • The current study aims to validate this classification by assessing predictor variables and genomic alterations using an external test dataset.
  • The classification divides TNBC into luminal androgen receptor (LAR) and non-LAR subtypes, with further stratification of non-LAR into lymphocyte-related groups, revealing distinct genomic characteristics for each subtype.
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Kleefstra syndrome is caused by chromosome 9q34.3 deletion or heterozygous mutations in the euchromatin histone methyl transferase 1 (EHMT1) gene. It can be accompanied by intellectual disability, distinctive facial features, microcephaly, psychiatric disorders, hypotonia in childhood, hearing loss, heart defects, renal defects, epilepsy, speech anomalies, and obesity.

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  • Functional shift is a linguistic phenomenon in English that changes a word's grammatical function without altering its form, which has specific neurophysiological implications in native English speakers.
  • A study explored how Korean learners of English processed functional shift by assessing their acceptability judgments on sentences with various linguistic violations.
  • The results showed that Korean participants interpreted functionally shifted words as semantic anomalies, suggesting differences in the mental representation of functional shift between first and second language speakers.
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Aim: In order to enhance risk stratification in early-stage endometrial cancer (EC), we conducted molecular classification using surrogate markers, including the droplet digital polymerase chain reaction (ddPCR) and L1CAM immunohistochemistry (IHC).

Method: We analyzed archival tumor tissue from 183 early-stage EC patients. pathogenic mutations of P286R, V411L, S297F, A456P, and S459F within exons 9, 13, and 14 were detected using a ddPCR, while the mismatch repair (MMR) status was determined by MMR protein IHC and MSI tests.

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Article Synopsis
  • - The study analyzes cervical metastasis from unknown primary tumors (CUP) in Korea, focusing on human papillomavirus (HPV) and Epstein-Barr virus (EBV) status, based on data from 95 cases collected over ten years from six hospitals.
  • - Findings reveal that 38.9% of CUP cases were HPV-related, 5.3% were EBV-related, and the majority (48.4%) were unrelated to either virus, with HPV-related cases showing significantly better overall survival.
  • - The research indicates a high frequency of virus-unrelated CUP in Korea, while HPV and EBV-related CUP share characteristics with oropharyngeal and nasopharyngeal cancers, respectively,
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The copper catalyzed regioselective and stereospecific opening of CF-aziridines is reported. This method focuses on the synthesis of α-CF-β-arylethylamines, which can be potential key intermediates in the synthesis of synthetic analogues and biologically active molecules. Density functional theory calculations reveal the nature of the active copper species and the role of the LiClMgX (X = Cl or I) as a Lewis acid.

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Atypical ductal hyperplasia and low-grade ductal carcinoma (DCIS) are regarded as precursor lesions of estrogen receptor (ER)-positive invasive breast cancer. In -amplified invasive breast cancer, a precursor lesion before DCIS has not yet been described. Here we introduce a case of HER2-positive lobules in the breast without histological abnormality.

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The need to control the activity and fidelity of CRISPR-associated nucleases has resulted in a demand for inhibitory anti-CRISPR molecules. The small-molecule inhibitor discovery platforms available at present are not generalizable to multiple nuclease classes, only target the initial step in the catalytic activity and require high concentrations of nuclease, resulting in inhibitors with suboptimal attributes, including poor potency. Here we report a high-throughput discovery pipeline consisting of a fluorescence resonance energy transfer-based assay that is generalizable to contemporary and emerging nucleases, operates at low nuclease concentrations and targets all catalytic steps.

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The ongoing coronavirus disease 2019 (COVID-19) pandemic has spurred rapid development of vaccines as part of the public health response. However, the general strategy used to construct recombinant trimeric severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike (S) proteins in mammalian cells is not completely adaptive to molecular farming. Therefore, we generated several constructs of recombinant S proteins for high expression in Nicotiana benthamiana.

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Pheochromocytoma (PCC) occurs in 4% of pediatric neurofibromatosis type 1 (NF1) patients and is characterized by epinephrine and norepinephrine secretion. Herein, we report the first case of dopamine-secreting PCC in a 13-year-old patient with NF1. A left adrenal mass was incidentally found on abdominal computed tomography (CT ) during hypertension workup.

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Background: Patient participation in patient safety activities in care processes is a fundamental element of safer care. Patients play an important role in preventing patient safety incidents and improving health outcomes. Therefore, healthcare providers need to develop and provide educational materials and actionable tools for patient participation.

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Copper catalyzed regioselective and stereospecific coupling between aziridines and generated pyridine Grignard reagents is reported. This method provides β-pyridylethylamines with diverse structures and functionalities from aziridines and iodopyridines. β-Pyridylethylamines are potential scaffolds for the synthesis of biologically active compounds often found in pharmaceuticals.

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The marked rise in bacterial drug resistance has created an urgent need for novel antibacterials belonging to new drug classes and ideally possessing new mechanisms of action. The superior biological activity of solithromycin against streptococci and other bacteria causative of community-acquired pneumonia pathogens, compared to telithromycin and other macrolides encouraged us to extensively explore this class of antibiotics. We, thus, present the design and synthesis of a novel series of solithromycin analogs.

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Introduction: The importance of correct and timely communication continues to be emphasised in the area of patient safety. Nurses play a key role in communicating with a variety of healthcare personnel to deliver safe care for patients. Many attempts have been made to improve nursing professionals' communication competencies regarding patient safety.

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Background: High-precision human leukocyte antigen (HLA) genotyping is crucial for anti-cancer immunotherapy, but existing tools predicting HLA genotypes using next-generation sequencing (NGS) data are insufficiently accurate.

Materials And Methods: We compared availability, accuracy, correction score, and complementary ratio of eight HLA genotyping tools (OptiType, HLA-HD, PHLAT, seq2HLA, arcasHLA, HLAscan, HLA*LA, and Kourami) using 1,005 cases from the 1000 Genomes Project data. We created a new HLA-genotyping algorithm combining tools based on the precision and the accuracy of tools' combinations.

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Background/aims: The presence and clinical importance of tissue-resident memory T (TRM) cells have been recently described in association with various cancer types. However, the frequency and the traditional naïve-effector-memory phenotypic characteristics of TRM cells are largely unknown.

Methods: We analyzed single-cell populations of colorectal cancer (CC, n = 18), stomach cancer (SC, n = 13), renal cell carcinoma (RCC, n = 19), and breast cancer (BC, n = 16) by dissociation of tumor tissue with collagenase/hyaluronidase.

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There is an urgent need for new antibiotics to mitigate the existential threat posed by antibiotic resistance. Within the ketolide class, solithromycin has emerged as one of the most promising candidates for further development. Crystallographic studies of bacterial ribosomes and ribosomal subunits complexed with solithromycin have shed light on the nature of molecular interactions (π-stacking and H-bonding) between from the biaryl side-chain of the drug and key residues in the 50S ribosomal subunit.

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Introduction: Pleuropulmonary blastoma (PPB) is a rare sarcomatous malignancy involving the lung and pleura which occurs in early childhood. Cystic PPB in the early stage can be misdiagnosed as other cystic diseases. Early detection of this entity is important for appropriate treatment and prevention of disease progression.

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The involvement of patients and families is essential for improving patient safety. However, the role of patients and caregivers in patient safety has recently been receiving attention, and programs and interventions have been implemented for patients and caregivers. The objective of this systematic review was to identify the types of interventions to improve patient safety that focused on engaging patients and their families, and the effectiveness of these interventions.

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