The COVID-19 experience among international migrant workers in the Republic of Korea: knowledge and awareness of treatment and immigration policies.

Introduction: The COVID-19 pandemic has exposed various health risks and inequities experienced by international migrant workers. The number of migrant workers in the Republic of Korea (ROK) is rapidly growing and is expected to continue growing. Health related research on migrant workers in ROK is limited, especially among undocumented migrant workers who were more vulnerable to the pandemic.

Beyond the surface: unraveling global health curriculum insights through interviews of learners and educators using the CIPP model.

Purpose: Our study aimed to delve beyond a surface-level understanding and explore the various dimensions of the global health curriculum from the perspective of both learners and educators using the Context, Input, Process, and Product (CIPP) model.

Methods: From 2020 to 2021, interviews were conducted with a total of 10 individuals, including five students who had taken at least one elective course and at least one elective research course, three teaching assistants (TA), and two faculty members who had taken more than four global health courses in multiple phases in the global health curriculum. Semi-structured interview questions based on the CIPP model were used and qualitative data were analyzed through content analysis.

Exploring the interest of medical students in global health in South Korea: Does taking a global health course matter?

Background: Prioritizing global health is important for positive health outcomes. Doctors play a pivotal role in addressing health issues that they need to recognize the importance of global health practice. However, medical education in global health is still in its early stages in many countries, including South Korea.

The teamwork structure, process, and context of a paediatric cardiac surgery team in Mongolia: A mixed-methods approach.

Introduction: Effective teamwork in paediatric cardiac surgery is known to improve team performance and surgical outcomes. However, teamwork in low- and middle-income countries (LMICs), including Mongolia, is understudied. We examined multiple dimensions of teamwork to inform a team-based training programme to strengthen paediatric cardiac surgical care in Mongolia.

Establishing Surgical Care Sustainability in Sub-Saharan Africa for Global Child Health: Insights From Pediatric Cardiac Surgical Capacity-Building Programs in Ethiopia and Côte d'Ivoire.

The global surgery research team of the JW LEE Center for Global Medicine, Seoul National University College of Medicine, introduced team-based health workforce training programs for pediatric cardiac surgery in Ethiopia and Côte d'Ivoire. A team-based collaborative capacity-building model was implemented in both countries, and details of the program design and delivery were documented. The research team shared their experiences and identified achievements, lessons, and challenges for cardiac surgical interventions in Sub-Saharan Africa.

Physiological and Behavioral Effects of SiO Nanoparticle Ingestion on .

The increasingly widespread use of engineered nanoparticles in medical, industrial, and food applications has raised concerns regarding their potential toxicity to humans and the environment. Silicon dioxide nanoparticles (SiO NPs), which have relatively low direct toxicity, have been increasingly applied in both consumer products and biomedical applications, leading to significantly higher exposure for humans and the environment. We carried out a toxicity assessment of SiO NPs using the common water flea by focusing on physiological and behavioral indicators such as heart rate, swimming performance, and growth.

A novel copper (II) binding peptide for a colorimetric biosensor system design.

Filamentous bacteriophages are viruses infecting only bacteria. In this study, phage display technique was applied to identify highly selective Cu(II) binding peptides. After five rounds of positive screening against Cu(II) and various rounds of negative screenings against competitive metal ions (Al(III), Co(II), Fe(III), Ni(II) and Zn(II)), bacteriophages were enriched.

How do caregivers of children with congenital heart diseases access and navigate the healthcare system in Ethiopia?

Background: Surgery can correct congenital heart defects, but disease management in low- and middle-income countries can be challenging and complex due to a lack of referral system, financial resources, human resources, and infrastructure for surgical and post-operative care. This study investigates the experiences of caregivers of children with CHD accessing the health care system and pediatric cardiac surgery.

Methods: A qualitative study was conducted at a teaching hospital in Ethiopia.

The feasibility and satisfaction of an online global health education course at a single medical school: a retrospective study.

Purpose: The aim of this study was to evaluate the feasibility and satisfaction of an online global health education course for medical students in comparison with an in-person of the course and to assess students' preferences regarding online methods of delivery.

Methods: Second-year medical students enrolled in this course in 2019 (in-person) and 2020 (online). The attendance rate, satisfaction in the course evaluation survey, and academic achievement on the written final examination were utilized to compare the two different methods of course delivery.

Quantitative prediction of mixture toxicity of AgNO and ZnO nanoparticles on .

Once metal-based engineered nanoparticles (NPs) are released into the aquatic environment, they are expected to interact with other existing co-contaminants. A knowledge gap exists as to how the interaction of NPs with other co-contaminants occurs. Here we selected ZnO NPs among various NPs, with Ag ion existing as a contaminant in the aquatic environment by Ag NPs widely used.

Evaluation of a Ten-Year Team-Based Collaborative Capacity-Building Program for Pediatric Cardiac Surgery in Uzbekistan: Lessons and Implications.

Background: Most children who have congenital heart disease in low- and middle-income countries (LMICs), including Uzbekistan, do not receive adequate and timely pediatric cardiac surgical care. To strengthen the surgical capacity of a local pediatric cardiac surgery team in Tashkent, Uzbekistan, the JW LEE Center for Global Medicine at Seoul National University College of Medicine has developed a team-based training program and has been collaboratively conducting surgeries and care in order to transfer on-site knowledge and skills from 2009 to 2019.

Objectives: To evaluate the long-term effects of the collaborative program on the cardiac surgical capacity of medical staff (teamwork, surgical complexity, and patients' pre-surgical weights) as well as changes in the lives of the patients and their families.

Manifestations of socioeconomic status and its association with physical child punishment- Results from the Multi-Indicators Cluster Survey in Viet Nam, 2006-2014.

Physical child punishment is a critical public health problem that exhibits negative and long-lasting mental and physical health consequences. Yet, the predictors of physical punishment are understudied in developing countries, and disparities that exist between levels of economic status are not known well. The socioeconomic predictors of physical child punishment were investigated using three rounds of the Multiple Indicator Cluster Survey (MICS) results in a lower middle-income country, Viet Nam from 2006 to 2014.

Calix[4]pyrroles bearing proximally meso-meso linking straps: synthesis and anion binding properties.

Calix[4]pyrroles bearing two proximally crossing straps on the same or the opposite sides have been synthesized for the first time. The doubly cis-strapped compound exhibited highly cooperative six-point hydrogen bonding interactions with the anion involving both pyrrolic N-Hs and Ar-Hs.

Aqueous extract of the Helianthus annuus seed alleviates asthmatic symptoms in vivo.

Molecular inflammation is a pivotal process in various degenerative immune diseases, including asthma and atopic dermatitis. In this study, we examined the effects of Helianthus annuus seed (HAS) aqueous extract on an in vivo anti-asthmatic model. Ovalbumin-induced mice were orally administered the aqueous extract of Helianthus annuus seeds, and their lungs were assessed by hematoxylin and eosin staining.

Anti-tumor activity of Gastrodia elata Blume is closely associated with a GTP-Ras-dependent pathway.

Gastrodia elata Blume (GEB) is an important medicinal plant in Korea. In order to confirm the anti-tumor activities of GEB extracts, we carried out various in vitro anti-tumor assays, including a wound assay and an invasion assay using an ethyl ether extract of GEB. The results showed that the GEB extract exhibits potent anti-tumor activity in vitro in a dose-dependent manner.

Gastrodia elata Blume protects against stress-induced gastric mucosal lesions in mice.

Gastrodia elata Blume (GEB) is a traditional herbal plant that has been used in Asian countries for centuries as an anticonvulsant, analgesic, and also as a sedative for treating general paralysis, epilepsy, vertigo, and tetanus. Although numerous reports have addressed the effects of GEB against degenerative diseases, no previous study has examined the possible gastroprotective effects of GEB. Here, we examined the effects of pretreatment with GEB (0.

Dykellic acid inhibits cell migration and tube formation by RhoA-GTP expression.

Dykellic acid, a novel factor initially identified from the culture broth of Westerdykella multispora F50733, has been shown to inhibit matrix metalloprotease 9 activity, caspase-3 activity, B cell proliferation and LPS-induced IgM production, suggesting that this factor may have anti-cancer effects. In an effort to further address the possible anti-tumoral effects of dykellic acid, we used wound healing, invasion and RhoA-GTP assays to examine the effects of dykellic acid on cell migration, invasion and angiogenesis. Our results revealed that dykellic acid dose-dependently inhibits B16 cell migration and motility, and inhibits HUVEC tube formation.

Wisteria floribunda gall extract inhibits cell migration in mouse B16F1 melanoma cells by regulating CD44 expression and GTP-RhoA activity.

Extracts from galls grown on Wisteria floribunda are used as an anti-tumoral preparation in oriental traditional medicine. Here, we investigated the molecular mechanism of this anti-tumoral effect by first examining whether the extract inhibited cell migration in a B16 cell-based wound healing assay. The gall extract delayed wound healing in a dose- and time-dependent manner, indicating that one or more components of the fraction inhibited cell migration.