Publications by authors named "JaeYong Choi"

North Korean refugee women face significant risks of traumatic experiences, including sexual exploitation and violence, both in North Korea and during migration. However, there is limited research on the long-term effects of sexual violence among these women. Using data from 245 North Korean refugee women, collected by the National Human Rights Commission of Korea in 2017, we examined the impact of sexual violence victimization during pre-migration and intermediate stages on acculturative stress and hazardous drinking.

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Article Synopsis
  • - The study aims to investigate the interaction between two significant SNPs related to metabolic syndrome (MetS) in an East Asian cohort, addressing the lack of representation in previous GWAS that mainly focused on non-Asian populations.
  • - The analysis of data from 58,600 individuals revealed that the SNPs rs651821 and rs2266788 interact independently, showing opposing effects on MetS and related traits like triglycerides and HDL levels.
  • - The findings highlight the complex relationship between these genetic variants and lifestyle factors, indicating a need for a more nuanced approach in future GWAS for metabolic syndrome.
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Purpose: Considering the high disease burden and unique features of Asian patients with breast cancer (BC), it is essential to have a comprehensive view of genetic characteristics in this population. An institutional targeted sequencing platform was developed through the Korea Research-Driven Hospitals project and was incorporated into clinical practice. This study explores the use of targeted next-generation sequencing (NGS) and its outcomes in patients with advanced/metastatic BC in the real world.

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In this study, we investigated the influence of quasi-one-dimensional (Quasi-1D) characteristics on the source and drain contact resistances within vertical nanowire (NW) field-effect transistors (FETs) of diminutive diameter. The top contact of the NW is segregated into two distinct regions: the first encompassing the upper surface, designated as the axial contact, and the second encircling the side surface, known as the radial contact, which is formed during the top-contact metal deposition process. Quantum confinement effects, prominent within Quasi-1D NWs, exert significant constraints on radial transport, consequently inducing a noticeable impact on contact resistance.

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The negative impact of student-to-teacher victimization on teachers' perceptions of the work environment and their well-being is supported by growing empirical literature. For instance, violence in the classroom can have a negative impact on teachers themselves and hinder teachers from playing crucial roles in students' classroom experiences, resulting in adverse effects on student performance. However, the research field is limited in understanding the adverse effects on teachers' perceptions more directly related to student learning, such as teacher neglect.

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Colorectal cancer (CRC) ranks among the three most common cancers in Guam (GU), Hawai'i (HI), and the mainland United States (US). CRC prevalence in these areas is high among Filipinos, and indigenous CHamorus and Native Hawaiians; however, data on these populations are frequently aggregated in epidemiological studies, which can mask true CRC disparities. We examined CRC cumulative incidence rates (CIRs) among CHamorus in GU, Filipinos in GU, HI, and the US, and Native Hawaiians in HI and the US.

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Expression quantitative trait loci (eQTL) analysis measures the contribution of genetic variation in gene expression on complex traits. Although this methodology has been used to examine gene regulation in numerous human tissues, eQTL research in solid tissues is relatively lacking. We conducted eQTL analysis on placentas collected from an East Asian population in an effort to identify gene regulatory mechanisms in this tissue.

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Purpose: Brain metastasis rarely occurs in soft tissue sarcoma (STS). Here, we present five cases of STS with brain metastases with genetic profiles.

Materials And Methods: We included five patients from Seoul National University Hospital who were diagnosed with STS with metastasis to the brain.

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Context: Rotator cuff tear is one of the most common causes of shoulder pain and has become a prominent disease most frequently treated by surgery.

Objectives: To investigate the long-term therapeutic effect of integrative Korean medicine (KM) as a conservative treatment in treating rotator cuff tears.

Design: A multicenter observational study.

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We present an in-depth single-cell atlas of in vitro multiculture systems on human primary airway epithelium derived from normal and diseased lungs of 27 individual donors. Our large-scale single-cell profiling identified new cell states and differentiation trajectories of rare airway epithelial cell types in human distal lungs. By integrating single-cell datasets of human lung tissues, we discovered immune-primed subsets enriched in lungs and organoids derived from patients with chronic respiratory disease.

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Underrepresentation of non-European (EUR) populations hinders growth of global precision medicine. Resources such as imputation reference panels that match the study population are necessary to find low-frequency variants with substantial effects. We created a reference panel consisting of 14,393 whole-genome sequences including more than 11,000 Asian individuals.

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Background: Compared to the U.S. population, cervical cancer (CC) incidence is significantly higher among the CHamoru, Micronesian, and Caucasian populations in Guam.

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Article Synopsis
  • * A new pipeline was developed that improves the analysis of mixed samples, exhibiting a low average error rate of 0.78% in combined reference reads, allowing for clearer results in clustering cell types.
  • * The pipeline effectively identifies various cell types in cancer tissues and addresses challenges like misalignment, multi-mapping errors, and false positives from ambient RNA, making it a valuable tool for single-cell data analysis in research.
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We investigated the molecular mechanisms of paclitaxel resistance in TNBC using seven patient-derived xenograft (PDX) models and TNBC cell lines. Among the seven PDX models, four models showed resistance to paclitaxel. Dysregulation of JAK/STAT pathways and JAK2 copy number gains were observed in the four paclitaxel-resistant PDX tumors.

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Gastric cancer (GC) is commonly treated by chemotherapy using 5-fluorouracil (5-FU) derivatives and platinum combination, but predictive biomarker remains lacking. We develop patient-derived xenografts (PDXs) from 31 GC patients and treat with a combination of 5-FU and oxaliplatin, to determine biomarkers associated with responsiveness. When the PDXs are defined as either responders or non-responders according to tumor volume change after treatment, the responsiveness of PDXs is significantly consistent with the respective clinical outcomes of the patients.

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BACKGROUNDMolecular characterization in pediatric papillary thyroid cancer (PTC), distinct from adult PTC, is important for developing molecularly targeted therapies for progressive radioiodine-refractory (131I-refractory) PTC.METHODSPTC samples from 106 pediatric patients (age range: 4.3-19.

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Playing through pain and injury is a common and accepted behavior in the athletic realm. The purpose of this research was to apply Tittle's control balance theory to explain why athletes engage in playing through pain and injury despite its risky nature. We hypothesized that playing through pain and injury is a form of submission described by Tittle and that it can be predicted by the concept of control deficit.

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Early life stress (ELS) is strongly associated with psychiatric disorders such as anxiety, depression, and schizophrenia in adulthood. To date, biological, behavioral, and structural aspects of ELS have been studied extensively, but their functional effects remain unclear. Here, we examined NeuroPET studies of dopaminergic, glutamatergic, and serotonergic systems in ELS animal models.

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The global incidence of early-onset colorectal cancer (EO-CRC) is rapidly rising. However, the reason for this rise in incidence as well as the genomic characteristics of EO-CRC remain largely unknown. We performed whole-exome sequencing in 47 cases of EO-CRC and targeted deep sequencing in 833 cases of CRC.

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Although some studies have focused on immigrants' fear of crime in the United States, it is important to point out that the number of North Korean defectors to South Korea has rapidly increased since the 1990s. Therefore, understanding factors associated with fear of crime for North Korean immigrants, especially female defectors, is important for ensuring their successful transitions into South Korean culture. The present study used existing survey data from a sample of female North Korean defectors to explore factors related to fear of crime.

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Emotional memory processing engages a large neuronal network of brain regions including the cerebellum. However, the molecular and cellular mechanisms of the cerebellar cortex modulating the fear memory network are unclear. Here, we illustrate that synaptic signaling in cerebellar Purkinje cells (PCs) STAT3 regulates long-term fear memory.

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The adherence of the convict code and involvement in risky lifestyles lead to increased rates of victimization; however, empirical scrutiny regarding the interaction between the convict code and risky lifestyles remains unexplored. The current study bridges this gap in the victimization literature by examining the interaction effect between the convict code and risky lifestyles on victimization experience incarcerated offenders within South Korean prisons. Results indicate there both the convict code and risky lifestyles are positively and significantly associated with the risk of victimization.

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The role of routine activity theory (RAT) as a guiding theoretical approach to understand online victimization has been well documented. However, the recent emphasis in criminology on its applicability to online victimization has largely been based on evidence from Anglo-American studies. This study fills this gap by testing the predictive utility of RAT for cyberstalking victimization, using data from a sample of female Iranian students.

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Prior research has consistently shown that perceptions of procedural justice promote individuals' compliance with the law. Several studies have also identified mechanisms that explain the association between perceptions of procedural justice and compliance (e.g.

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Parenting practices have direct effects on children's moral development and delinquency. A growing empirical literature also documents the influence of morality on offending patterns. Yet, our understanding of the interrelationships among parenting practices, morality, and cyberbullying is limited.

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