Publications by authors named "Song Park"

Background: Physicians' job satisfaction and their relationships with patients are critical factors in modern healthcare. Understanding medical students' perceptions of these aspects is crucial for enhancing the quality of healthcare. Hence, this study examined medical students' perspectives on improving physician job satisfaction and the essential patient-oriented attitudes required for developing into skilled physicians.

View Article and Find Full Text PDF

Background: Antipsychotic drugs (APDs) are used for treating mental illnesses and are also used by cancer patients. This study aimed to evaluate APD use in adult cancer patients who received radiotherapy (RT) in South Korea and assess the effects of APD use during RT on survival.

Methods: This retrospective cohort study utilized the National Health Insurance Service database database of Korea.

View Article and Find Full Text PDF

The incidence of melanoma, a highly aggressive skin cancer, continues to increase worldwide, particularly among populations with lighter skin tones. The diagnostic challenge of melanoma lies in the absence of a distinctive clinical presentation, as its characteristics vary based on anatomical location, growth type, and histopathology. The melanoma-associated antigen (MAGE) gene family is differentially expressed in various human cancers, including melanoma.

View Article and Find Full Text PDF

Introduction: This study evaluated the impact of an emergency department (ED) closure on out-of-hospital cardiac arrest survival outcomes and the emergency medical service system in Ulsan, South Korea.

Methods: We conducted a retrospective observational cohort study from March 2017 to February 2021 and compared survival to hospital discharge and favorable neurological outcomes. We investigated transport time intervals (TTIs) in the total study population and subgroup covered by the closed ED.

View Article and Find Full Text PDF

Organic photovoltaics (OPVs) have great potential to drive low-power consumption electronic devices under indoor light due to their highly tunable optoelectronic properties. Thick devices (>300 nm photo-active junctions) are desirable to maximize photocurrent and to manufacture large-scale modules via solution-processing. However, thick devices usually suffer from severe charge recombination, deteriorating device performances.

View Article and Find Full Text PDF
Article Synopsis
  • * The study investigates GIP's effects using mice that overexpress GIP and an in vitro cell model, revealing how GIP helps protect neurons and counteracts age-related damage through the Epac/Rap1 signaling pathway.
  • * The findings suggest that GIP could be a promising therapeutic target for addressing ferroptosis, a process linked to aging and neurodegenerative diseases.
View Article and Find Full Text PDF

Background: The increasing complexity of the healthcare environment and the necessity of multidisciplinary teamwork have highlighted the importance of interprofessional education (IPE). IPE aims to enhance the quality of patient care through collaborative education involving various healthcare professionals, such as doctors, nurses, and pharmacists. This study sought to analyze how game-based IPE activities influence students' perceptions and reflective thinking.

View Article and Find Full Text PDF

Merkel cell carcinoma (MCC) incidence has risen to approximately 3,000 cases annually in the USA. Although anti-programmed cell death (ligand) 1 (PD-(L)1) agents are now the first-line treatment for advanced MCC, approximately 50% of such patients do not persistently benefit. In PD-(L)1-refractory cases, ipilimumab (anti-cytotoxic T lymphocyte antigen-4) is often added; however, the extent of the clinical benefit of this combination is controversial.

View Article and Find Full Text PDF

Purpose: Merkel cell carcinoma (MCC) is an aggressive skin cancer with a 40% recurrence rate, lacking effective prognostic biomarkers and surveillance methods. This prospective, multicenter, observational study aimed to evaluate circulating tumor DNA (ctDNA) as a biomarker for detecting MCC recurrence.

Methods: Plasma samples, clinical data, and imaging results were collected from 319 patients.

View Article and Find Full Text PDF

Merkel cell carcinoma (MCC) is a rare and aggressive skin cancer with a high risk of metastasis. The development of anti-PD-1/PD-L1 immunotherapy has improved outcomes for advanced MCC, yet about 50% of such patients do not achieve durable responses. This study analyzed the effects of age and body mass index (BMI) on immunotherapy response in 183 advanced MCC patients from a single-center longitudinal database.

View Article and Find Full Text PDF

Background/aim: Human melanoma-associated antigen A2 (hMAGEA2) family members play several roles in many types of cancer and have been explored as potential prognostic markers. In this study, we investigated the molecular mechanism underlying hMAGEA2-mediated tumorigenesis of prostate cancer.

Materials And Methods: Immunohistochemistry and western blot were used to assess protein expression whereas microarray and quantitative reverse transcription-PCR determined mRNA expression.

View Article and Find Full Text PDF

In this study, high-performance organic photodetectors are presented which utilize a pristine chlorinated subphthalocyanine photoactive layer. Optical and optoelectronic analyses indicate that the device photocurrent is primarily generated through direct charge generation within the chlorinated subphthalocyanine layer, rather than exciton separation at layer interfaces. Molecular modelling suggests that this direct charge generation is facilitated by chlorinated subphthalocyanine high octupole moment (-80 DÅ), which generates a 200 meV shift in molecular energetics.

View Article and Find Full Text PDF
Article Synopsis
  • Maintaining skin health involves the careful balance of keratinocyte growth and maturation, with new studies highlighting lysosome dysfunction as a key factor in this process.
  • Research identifies TASL as important for regulating lysosomal pH, but its specific role in keratinocyte growth and differentiation was not previously understood.
  • Our findings reveal that TASL deficiency leads to halted keratinocyte growth and disrupted differentiation, emphasizing the importance of TASL in keratinocyte biology and how it interacts with calcium regulation.
View Article and Find Full Text PDF

Merkel cell carcinoma (MCC) is a neuroendocrine skin cancer with a high risk of recurrence and metastasis. Regular surveillance through physical exams and imaging studies is crucial for the timely detection of recurrences. MCC patients who produce antibodies to the Merkel cell polyomavirus oncoprotein may benefit from antibody testing in addition to routine imaging surveillance for the early detection of disease recurrence.

View Article and Find Full Text PDF

Background: This study compared out-of-hospital cardiac arrest (OHCA) patient outcomes based on intravenous (IV) access and prehospital epinephrine use.

Methods: A retrospective study in Ulsan, South Korea, from January 2017 to December 2022, analyzed adult nontraumatic OHCA cases. Patients were grouped: Group 1 (no IV attempts), Group 2 (failed IV access), Group 3 (successful IV access without epinephrine), and Group 4 (successful IV access with epinephrine), with comparisons using logistic regression analysis.

View Article and Find Full Text PDF

Inflammatory bowel disease (IBD) is a chronic inflammatory condition that is influenced by various factors, including environmental factors, immune responses, and genetic elements. Among the factors that influence IBD progression, macrophages play a significant role in generating inflammatory mediators, and an increase in the number of activated macrophages contributes to cellular damage, thereby exacerbating the overall inflammatory conditions. HSPA9, a member of the heat shock protein 70 family, plays a crucial role in regulating mitochondrial processes and responding to oxidative stress.

View Article and Find Full Text PDF

Background: Topical minoxidil (TM) has been a cornerstone in treating various hair loss disorders, while low-dose oral minoxidil (LDOM) is emerging as an effective alternative. Despite their widespread use, there is a notable gap in the literature regarding their use in treating scarring alopecia.

Objective: This study evaluates the efficacy and safety of TM and LDOM in managing scarring alopecia.

View Article and Find Full Text PDF

Chemotherapy-induced leukopenia is a common side effect of cytotoxic anticancer drugs. It can deprive patients of treatment opportunities, resulting in the delay, reduction, or discontinuation of chemotherapy or other anticancer drug administration. Two researchers searched English, Chinese, Japanese, and Korean electronic databases, without limiting the time period and language, using search terms such as "Bojungikgi," "WBC," "leuko," and "neutrop.

View Article and Find Full Text PDF

Background: This study aimed to evaluate the relationship between clinical experience and death certificate (DC) errors by analyzing DCs written by experienced emergency physicians (EPs).

Methods: DCs issued by four experienced EPs over a 10-year period were retrospectively reviewed. DC errors were divided into major and minor errors based on whether they affected the cause of death (COD) determination.

View Article and Find Full Text PDF

Objectives: Due to the rarity of olfactory neuroblastoma (ONB), there is ongoing debate about optimal treatment strategies, especially for early-stage or locally advanced cases. Therefore, our study aimed to explore experiences from multiple centers to identify factors that influence the oncological outcomes of ONB.

Methods: We retrospectively analyzed 195 ONB patients treated at nine tertiary hospitals in South Korea between December 1992 and December 2019.

View Article and Find Full Text PDF

Approximately 50% of Merkel cell carcinoma (MCC) patients facing this highly aggressive skin cancer initially respond positively to PD-1-based immunotherapy. Nevertheless, the recurrence of MCC post-immunotherapy emphasizes the pressing need for more effective treatments. Recent research has highlighted Cyclin-dependent kinases 4 and 6 (CDK4/6) as pivotal cell cycle regulators gaining prominence in cancer studies.

View Article and Find Full Text PDF

Objectives: To investigate the internal structure of the nasomaxillary complex, including the maxillary sinus, nasal cavity and nasal septum according to the facial asymmetry pattern and to evaluate its correlation with external maxillomandibular asymmetry in Class III patients based on cone-beam computerized tomography (CBCT) images.

Materials And Methods: Facial asymmetry was analysed in a total of 100 Class III patients aged 16 years or older using CBCT scans. Patients were categorized into subgroups based on asymmetry pattern.

View Article and Find Full Text PDF

Background: Merkel cell carcinoma (MCC) recurs in 40% of patients. In addition to stage, factors known to affect recurrence risk include: sex, immunosuppression, unknown primary status, age, site of primary tumor, and time since diagnosis.

Purpose: Create a multivariable model and web-based calculator to predict MCC recurrence risk more accurately than stage alone.

View Article and Find Full Text PDF

Amyloidosis is a systemic disease characterized by the accumulation of amyloid protein in multiple organs. Amyloidoma, in contrast, is an uncommon localized form of amyloidosis that presents as a single mass or tumor-like lesion. Primary amyloidoma in the central nervous system is rare, and only a few cases have been reported.

View Article and Find Full Text PDF