Publications by authors named "Se-Eun Park"

Bakuchiol (), a component of , has been reported to have estrogenic, antimicrobial, and anti-inflammatory activities. Nonetheless, its anticancer mechanisms and effectiveness against hepatocellular carcinoma remain unexplored. This study sought to elucidate the mechanism of apoptosis, autophagy, and cell cycle arrest caused by bakuchiol () and three flavonoids (-) with similar structures to compound in hepatocellular carcinoma.

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Background: Several Previous studies indicate that consuming krill oil may aid in reducing hypercholesterolemia and improving cholesterol metabolism. Therefore, our study was designed to investigate the effectiveness of Antarctic krill oil () (ESKO) in combating obesity and lowering fat/lipid/cholesterol levels.

Methods: The study aimed to investigate the molecular docking model targeting 3-hydroxy-3-methylglutaryl-CoA reductase (HMGCR) using ESKO-derived eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), and astaxanthin.

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Article Synopsis
  • * There is a lack of understanding of the sub-national variation of typhoid fever within the region, despite existing studies on country-level data.
  • * Researchers collected data from 229 reports on typhoid occurrences between 2000 and 2020 to analyze the disease's sub-national differences, aiming to inform and enhance intervention strategies.
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Sodium-dependent glucose cotransporter-2 (SGLT2) inhibitors, antidiabetic drugs that reduce blood sugar levels by inhibiting glucose reabsorption in the renal proximal tubules, also ameliorate nonalcoholic fatty liver disease (NAFLD). This study aimed to examine the effects of SGLT2 inhibition on hepatic steatosis and nonalcoholic steatohepatitis (NASH) using an in vitro model of NAFLD progression. HepG2 cells and a coculture of Hepa1c1c7 and Raw 264.

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  • The prevalence of type 1 diabetes (T1D) is rising, especially among adults, and stable glycemic control is challenging for many patients.
  • A pilot program in South Korea provided structured education and remote support to T1D patients, analyzing its impact on glycemic control from April 2020 to March 2023 with 119 participants.
  • Results showed a significant decrease in glycated hemoglobin (HbA) levels after educational sessions, indicating improved glycemic control over the follow-up period, especially among those using continuous glucose monitoring (CGM).
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Background: The worldwide increase in multidrug resistance is a major threat to public health. One particular concern is the presence of Escherichia coli strains that carry Extended-Spectrum β-Lactamase (ESBL) and Carbapenemase enzymes, which can make multiple antibiotics ineffective. This complicates treatment strategies and raises the risk of illness and death.

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Background: Cholera outbreaks in Ethiopia necessitate frequent mass oral cholera vaccine (OCV) campaigns. Despite this, there is a notable absence of a comprehensive summary of these campaigns. Understanding national OCV vaccination history is essential to design appropriate and effective cholera control strategies.

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Background: The Ethiopian government has developed the multisectoral cholera elimination plan (NCP) with an aim of reducing cholera incidence and case fatality rate (CFR). To better understand and monitor the progress of this plan, a comprehensive review of national cholera epidemiology is needed.

Methods: Reported data on cholera/acute watery diarrhea (AWD) cases in the past 20 years were extracted from the Ethiopian Public Health Institute and World Health Organization databases.

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Article Synopsis
  • Cholera continues to be a major public health threat in Ethiopia, affecting over 15.9 million people and resulting in consistent annual outbreaks; the ongoing crisis saw over 30,000 cases reported in 2023.
  • The Ethiopian government aims to eliminate cholera through its National Cholera Elimination Plan (NCP) from 2022 to 2028, with objectives for zero local transmission and a 90% reduction in fatalities.
  • The NCP focuses on enhancing water, sanitation, and hygiene infrastructure, alongside a comprehensive cholera vaccination strategy, but faces difficulties such as financial constraints and vaccine shortages.
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  • - Cholera has significantly impacted Ethiopia between 2015 and 2023, with around 100,000 cases and over 1,000 deaths, highlighting the urgent need to study water, sanitation, and hygiene (WaSH) factors that contribute to outbreaks.
  • - A survey of 870 households in Shashemene Town revealed that access to safe drinking water, sanitation, and hygiene facilities was limited, and better WaSH conditions were linked to urban living, higher education, and wealth.
  • - The study found no significant link between basic WaSH access and cholera attack rates, suggesting that while improvements in WaSH are needed, further research with larger samples is required to better understand their relationship with cholera cases.
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Background: Healthcare seeking behavior (HSB) and community perception on cholera can influence its management. We conducted a cross-sectional survey to generate evidence on cholera associated HSB and disease perception in populations living in cholera hotspots in Ethiopia.

Methods: A total of 870 randomly selected households (HHs) in Shashemene Town (ST) and Shashemene Woreda (SW) participated in our survey in January 2022.

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Background: Cholera is a public health priority in Ethiopia. The Ethiopian National Cholera Plan elaborates a multi-year scheme of oral cholera vaccine (OCV) use. Aligned with this, a preemptive OCV campaign was conducted under our Ethiopia Cholera Control and Prevention project.

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Background: Mozambique is one of the countries in Africa that is continuously at risk of cholera outbreaks due to poor sanitation, hygiene, and limited access to potable water in some districts. The Mozambique Cholera Prevention and Surveillance (MOCA) project was implemented in Cuamba District, Niassa Province to prevent and control cholera outbreaks through a preemptive cholera vaccination, strengthened surveillance system for cholera and diarrheal diseases, and better understanding of cholera-related healthcare seeking behavior of local populations, which may further guide the national cholera control and prevention strategies. This article presents the surveillance component of the MOCA project.

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Sarcopenia, the progressive decline in skeletal muscle mass and function, is observed in various conditions, including cancer and aging. The complex molecular biology of sarcopenia has posed challenges for the development of FDA-approved medications, which have mainly focused on dietary supplementation. Targeting a single gene may not be sufficient to address the broad range of processes involved in muscle loss.

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Background: Typhoid Fever remains a major cause of morbidity and mortality in low-income settings. The Severe Typhoid in Africa programme was designed to address regional gaps in typhoid burden data and identify populations eligible for interventions using novel typhoid conjugate vaccines.

Methods: A hybrid design, hospital-based prospective surveillance with population-based health-care utilisation surveys, was implemented in six countries in sub-Saharan Africa.

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Nicotinamide adenine dinucleotide (NAD) serves as a crucial coenzyme in numerous essential biological reactions, and its cellular availability relies on the activity of the nicotinamide phosphoribosyltransferase (NAMPT)-catalyzed salvage pathway. Here we show that treatment with saturated fatty acids activates the NAD salvage pathway in hypothalamic astrocytes. Furthermore, inhibition of this pathway mitigates hypothalamic inflammation and attenuates the development of obesity in male mice fed a high-fat diet (HFD).

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Article Synopsis
  • Typhoid fever is a significant public health issue in sub-Saharan Africa, causing over 1.2 million illnesses and 29,000 deaths in 2017 alone.
  • A study analyzed typhoid fever incidence rates from 2000 to 2022 across sub-Saharan Africa by examining the relationship between disease rates and geospatial factors like water access, sanitation, and health conditions.
  • The findings showed varying incidence rates across different regions and age groups, with South Sudan reporting the highest rate, highlighting the importance of tailored interventions for disease control.
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Backgruound: Polyunsaturated fatty acids (PUFAs) reportedly have protective effects on pancreatic β-cells; however, the underlying mechanisms are unknown.

Methods: To investigate the cellular mechanism of PUFA-induced cell protection, mouse insulinoma 6 (MIN6) cells were cultured with palmitic acid (PA) and/or docosahexaenoic acid (DHA), and alterations in cellular signaling and apoptosis were examined.

Results: DHA treatment remarkably repressed caspase-3 cleavage and terminal deoxynucleotidyl transferase-mediated UTP nick end labeling (TUNEL)-positive red dot signals in PA-treated MIN6 cells, with upregulation of autophagy, an increase in microtubule- associated protein 1-light chain 3 (LC3)-II, autophagy-related 5 (Atg5), and decreased p62.

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Backgruound: Glucagon-like peptide-1 receptor agonist (GLP-1RA), which is a therapeutic agent for the treatment of type 2 diabetes mellitus, has a beneficial effect on the cardiovascular system.

Methods: To examine the protective effects of GLP-1RAs on proliferation and migration of vascular smooth muscle cells (VSMCs), A-10 cells exposed to angiotensin II (Ang II) were treated with either exendin-4, liraglutide, or dulaglutide. To examine the effects of GLP-1RAs on vascular calcification, cells exposed to high concentration of inorganic phosphate (Pi) were treated with exendin-4, liraglutide, or dulaglutide.

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Backgruound: Sodium-dependent glucose cotransporter 2 (SGLT2) mediates glucose reabsorption in the renal proximal tubules, and SGLT2 inhibitors are used as therapeutic agents for treating type 2 diabetes mellitus. This study aimed to elucidate the effects and mechanisms of SGLT2 inhibition on hepatic glucose metabolism in both serum deprivation and serum supplementation states.

Methods: Huh7 cells were treated with the SGLT2 inhibitors empagliflozin and dapagliflozin to examine the effect of SGLT2 on hepatic glucose uptake.

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Natural flavone and isoflavone analogs such as 3',4',7-trihydroxyflavone (), 3',4',7-trihydroxyisoflavone (), and calycosin () possess significant neuroprotective activity in Alzheimer's and Parkinson's disease. This study highlights the in vitro human monoamine oxidase (hMAO) inhibitory potential and functional effect of those natural flavonoids at dopamine and serotonin receptors for their possible role in neuroprotection. In vitro hMAO inhibition and enzyme kinetics studies were performed using a chemiluminescent assay.

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Context: Nonalcoholic fatty liver disease (NAFLD) is a hepatic manifestation of metabolic syndrome. Obesity and metabolic syndrome are known risk factors for thyroid cancer.

Objective: We investigated the association between NAFLD and thyroid cancer risk in young adults.

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Invasive non-typhoidal Salmonella (iNTS) disease manifesting as bloodstream infection with high mortality is responsible for a huge public health burden in sub-Saharan Africa. Salmonella enterica serovar Typhimurium (S. Typhimurium) is the main cause of iNTS disease in Africa.

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Backgruound: Coronary artery calcium score (CACS) has become an important tool for evaluating cardiovascular disease (CVD). This study evaluated the significance of CACS for future CVD through more than 10 years of follow-up in asymptomatic Korean populations with type 2 diabetes mellitus (T2DM) known to have a relatively low CACS burden.

Methods: We enrolled 981 asymptomatic T2DM patients without CVD at baseline who underwent CACS evaluation using multidetector computed tomography between January 2008 and December 2014.

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