Publications by authors named "HyeIn Jung"

Objective: High consumption of sugar-sweetened beverages (SSBs) is associated with an increased risk of all-cause and cardiovascular disease (CVD) mortality; however, the data and results for Asian populations, particularly in Korea, are limited and unclear. Therefore, this research aimed to investigate the association between types of SSB consumption and risk of all-cause and cause-specific mortality in South Korean adults.

Methods: This prospective study included Korean adults aged 40 to 79 who participated in the Health Examinees Study.

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Aims: This study aimed to investigate the correlations between glycated hemoglobin (HbA1C) variability and diabetes distress (DD) and its subscales in older patients with type 2 diabetes mellitus.

Methods: The cross-sectional study analyzed 175 patients with type 2 diabetes mellitus, aged ≥60 years, and underwent HbA1C testing at least three times within a 2-year. HbA1C variability was assessed using the coefficient of variation (CV), standard deviation (SD), variability independent of the mean (VIM), and variability score.

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We study monolayer WSe using ultrafast electron diffraction. We introduce an approach to quantitatively extract atomic-site-specific information, providing an element-specific view of incoherent atomic vibrations following femtosecond excitation. Via differences between W and Se vibrations, we identify stages in the nonthermal evolution of the phonon population.

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We explore the novel photodecomposition capabilities of β-GaO when augmented with reduced graphene oxide (rGO). Employing real-time spectroscopy, this study unveils the sophisticated mechanisms of photodecomposition, identifying an optimal 1 wt% β-GaO-rGO ratio that substantially elevates the degradation efficiency of Methylene Blue (MB). Our findings illuminate a direct relationship between the photocatalyst's composition and its performance, with the quantity of rGO synthesis notably influencing the catalyst's morphology and consequently, its photodegradation potency.

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During the COVID-19 pandemic, mRNA vaccines emerged as a rapid and effective solution for global immunization. The success of COVID-19 mRNA vaccines has increased interest in the use of lipid nanoparticles (LNPs) for the in vivo delivery of mRNA therapeutics. Although mRNA exhibits robust expression profiles, transient protein expression is often observed, raising uncertainty regarding the frequency of its administration.

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Objective: We assessed the real-world effectiveness of cyclin-dependent kinase 4 and 6 (CDK4/6) inhibitors as first-line treatments in postmenopausal patients with HR+/HER2- advanced breast cancer, focusing on younger (<45 years) and older (>78 years) populations not considered in clinical trials.

Methods: We analyzed nationwide claims data from the Health Insurance Review and Assessment Service between November 2016 and February 2021. In this retrospective cohort study, patients using CDK4/6 inhibitors and aromatase inhibitors were selected and grouped by age as follows: 45-78 years (trial-enrolled), <45 years (younger), and >78 years (older).

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Background/objectives: The prevalence of hypertension is increasing, and noodles have a high sodium content, so noodle consumption might be associated with a higher prevalence of hypertension. This study aimed to analyze the association between total and types of noodle intake and the risk of hypertension among Korean adults. Subjects aged 40-69 years were selected for this study.

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Polygenic risk score (PRS) is useful for capturing an individual's genetic susceptibility. However, previous studies have not fully exploited the potential of the risk factor PRS (RFPRS) for disease prediction. We explored the potential of integrating disease-related RFPRSs with disease PRS to enhance disease prediction performance.

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Objective: Previous animal studies have shown the anti-obesity effect of kimchi-derived probiotic lactic acid bacteria. However, only a few epidemiological studies have investigated the association between kimchi consumption and obesity. Therefore, we aim to assess this relationship in Korean adults.

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mRNA-based protein replacement therapy has received much attention as a novel intervention in clinical disease treatment. Lipid nanoparticles (LNPs) are widely used for their therapeutic potential to efficiently deliver mRNA. However, clinical translation has been hampered by the immunogenicity of LNPs that may aggravate underlying disease states.

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Drug-drug interactions (DDI) occur because of the unexpected pharmacological effects of drug pairs. Although drug efficacy can be improved by taking two or more drugs in the short term, this may cause inevitable side effects. Currently, multiple drugs are prescribed based on the experience or knowledge of the clinician, and there is no standard database that can be referred to as safe co-prescriptions.

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Background: More than 200 asthma-associated genetic variants have been identified in genome-wide association studies (GWASs). Expression quantitative trait loci (eQTL) data resources can help identify causal genes of the GWAS signals, but it can be difficult to find an eQTL that reflects the disease state because most eQTL data are obtained from normal healthy subjects.

Methods: We performed a blood eQTL analysis using transcriptomic and genotypic data from 433 Korean asthma patients.

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In this work, a novel real-time current-voltage (J-V) absorbance spectroscopy (RTJAS) setup is introduced for directly observing halide segregation in mixed halide perovskite solar cells under broadband light illumination, simulating solar exposure. The setup incorporates a broadband light source calibrated to one sun irradiation and a CMOS camera for simultaneous capture of all diffracted wavelengths. J-V measurements are performed concurrently with absorbance spectra collection, enabling in situ analysis of light-induced degradation due to halide segregation, including bandgap shifts and cell performance data.

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Several studies have utilized a lipid nanoparticle delivery system to enhance the effectiveness of mRNA therapeutics and vaccines. However, these nanoparticles are recognized as foreign materials by the body and stimulate innate immunity, which in turn impacts adaptive immunity. Therefore, it is crucial to understand the specific type of innate immune response triggered by lipid nanoparticles.

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Mushroom is rich in protein, fiber, vitamins, and essential amino acids. A relationship between mushroom consumption and a lower all-cause mortality risk has been reported. This study aimed to examine the association of mushroom consumption with all-cause and cause-specific mortality.

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Article Synopsis
  • Polycystic ovary syndrome (PCOS) is a complex metabolic disorder affecting women, and there's a notable link between PCOS and non-alcoholic fatty liver disease (NAFLD).
  • This study examined 667 women with PCOS and 289 control women to investigate the relationship between elevated androgen levels (hyperandrogenism) and the prevalence of NAFLD.
  • Results showed that women with PCOS had significantly higher rates of NAFLD compared to controls, with free testosterone (FT) and free androgen index (FAI) being independently linked to NAFLD severity, indicating that hyperandrogenism may play a role in NAFLD development in these women.
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Importance: Proton pump inhibitors (PPIs) are commonly used drugs to relieve gastrointestinal tract symptoms, but their acid-inhibitory action negatively affects the bioavailability and clinical outcomes of orally administered concomitant drugs.

Objective: To identify the clinical outcomes of patients with advanced breast cancer who concomitantly use PPIs and palbociclib.

Design, Setting, And Participants: This retrospective cohort study used nationwide claims data between November 1, 2016, and July 31, 2021, in South Korea.

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Article Synopsis
  • * Lipid nanoparticles (LNPs) are crucial for delivering RNA into cells, providing an efficient way to overcome biological barriers, but they still face issues like targeted delivery and loss of effectiveness over time.
  • * The review covers the basic principles of LNPs, their applications in RNA therapeutics, recent advancements, and discusses the limitations and potential future technologies that could enhance their effectiveness.
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The polygenic risk score (PRS) could be used to stratify individuals with high risk of diseases and predict complex trait of individual in a population. Previous studies developed a PRS-based prediction model using linear regression and evaluated the predictive performance of the model using the value. One of the key assumptions of linear regression is that the variance of the residual should be constant at each level of the predictor variables, called homoscedasticity.

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  • Polycyclic aromatic hydrocarbons (PAHs) are environmental pollutants linked to health risks, with dietary exposure identified as a significant route for humans, particularly concerning metabolic syndrome (MetS).* -
  • This study analyzed data from over 16,000 Korean adults to explore the relationship between dietary PAH intake and MetS, finding that exposure to benzo(a)pyrene increased the risk of MetS in men, while in women, only exposure to chrysene and low HDL-c levels showed a positive association.* -
  • The findings highlight a need for further research to understand how PAH exposure and factors like smoking impact MetS, emphasizing a potential health risk related to these pollutants in the Korean population.*
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Article Synopsis
  • * The research, involving nearly 5,000 women, found that those with early menarche (≤ 12 years) were more educated and had higher incomes, but there were no significant differences in key health metrics among the groups.
  • * Early menarche was associated with a 1.43 times greater risk of diabetes, while the link to metabolic syndrome was not statistically significant but suggested a trend; the findings highlight the potential for using menarche age to guide diabetes risk assessments
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Scope: Tomato has well-known beneficial health effects and is an important source of lycopene. The study aims to clarify the evidence for the association between tomato and lycopene consumption and all-cause and cause-specific mortality in Korean adults.

Methods And Results: Data analyzed in the current study are obtained from the Korean Genome and Epidemiology Study Cohort.

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Background And Aims: Studies have revealed a positive relationship between milk consumption and hypertension. However, few researchers have investigated the association between milk consumption and changes in blood pressure (BP) in South Korean adults. Therefore, we examined the association between milk intake and the management and risk of hypertension in South Korean adults.

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Objectives: The relationship between blood group antigens and disease has been studied in humans. Blood types have been associated with both decreased and increased rates of various infections. In addition, blood group expression has been shown to vary with some cancers and gastrointestinal diseases.

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We aimed to investigate associations of dietary diversity (DD) with gut microbial diversity and the development of hen's egg allergy (HEA) in infants. We enrolled 68 infants in a high-risk group and 32 infants in a control group based on a family history of allergic diseases. All infants were followed from birth until 12 months of age.

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