Publications by authors named "Sung W Kim"

Background: Enterotoxigenic Escherichia coli (E. coli) is one of the most prevalent causes of diarrhea in young animals. Postbiotics derived from yeast have the potential to positively influence the mucosal microbiota in the jejunum, therefore it was hypothesized that Saccharomyces yeast postbiotics could enhance the microbiota and mucosal immune response in the jejunum, mitigating the effects of infection with enterotoxigenic E.

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Tuberculosis of the paranasal sinus is a rare disease caused by infection with Mycobacterium tuberculosis, the causative agent of pulmonary tuberculosis. Although the worldwide incidence of tuberculosis is declining, the diagnosis of primary paranasal tuberculosis remains challenging and cannot be ruled out in patients presenting with refractory chronic rhinosinusitis after adequate surgical and medical treatment. We experienced a case of paranasal tuberculosis with no evidence of previous tuberculosis infection.

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Background: Luteal phase support (LPS) with progesterone is a generally accepted practice after controlled ovarian stimulation, although the best protocols for LPS have been debated. We aimed to compare the efficacy of vaginal micronised progesterone tablets and 8% vaginal progesterone gel for LPS using real-world data.

Methods: This retrospective study included 459 fertilisation/intracytoplasmic sperm injection cycles performed at a university hospital from 2005 to 2019.

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Endometriosis, a prevalent but debilitating condition affecting women, poses significant challenges in diagnosis and management. The current 2024 guideline, developed by the Korean Society of Endometriosis (KSE), builds upon the 2018 KSE guideline. This guideline aims to provide customized recommendations tailored to Korea's unique clinical aspects and medical environment, and addresses key areas such as diagnosis, medical and surgical management, considerations for special populations, and its complex relationship with cancer.

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Background: Embryo-endometrium cross-talk is one of the critical processes for implantation, and unsuccessful cross-talk leads to infertility. We established an endometrium-embryo (or embryoid bodies, hEBs) in vitro model in 2D and 3D conditions and assessed its potential through the fusion of embryos and the expression of specific markers.

Methods: C57BL/6 mouse embryos and human embryoid body (hEB) derived from embryonic stem cells were prepared as embryo models.

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Introduction: In the absence of a vaccination programme, the coronavirus disease 2019 (COVID-19) pandemic had substantial impacts on population health and wellbeing and health care services. We explored the association between COVID-19 status, sociodemographic, socioeconomic and clinical factors and economic costs during the second wave of the COVID-19 pandemic.

Data: The study used patient-reported digital survey and symptom surveillance data collected between July and December 2020, in collaboration with a primary care computerised medical record system supplier, EMIS Health, in the UK.

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: This study aimed to investigate the influence of a respiratory mucosa-on-a-chip on the respiratory epithelial differentiation potential of human nasal inferior turbinate-derived stem cells (hNTSCs). : After isolating hNTSCs from five patients, we divided the samples from the patients into the study group with a mucosa-on-a-chip and the control group with conventional differentiation (using conventional differentiation methods). The respiratory epithelial differentiation potential of hNTSCs was analyzed by histology and gene expression.

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Objective: This study aimed to investigate the impact of different level of soybean meal (SBM) replaced by soy protein concentrate on intestinal health and growth performance of nursery pigs under F18+ Escherichia. coli (E. coli).

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Parkinson's disease and Alzheimer's disease are among the most common neurodegenerative disorders. These diseases are correlated with advancing age and are hence increasingly becoming prevalent in developed countries due to an increasingly aging demographic. Several tools are used to predict and diagnose these diseases, including pathological and genetic tests, radiological scans, and clinical examinations.

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Every year, about 1.19 million people are killed in traffic accidents; hence, the United Nations has a goal of halving the number of road traffic deaths and injuries by 2030. In line with this objective, technological innovations in telecommunication, particularly brought about by the rise of 5G networks, have contributed to the development of modern Vehicle-to-Everything (V2X) systems for communication.

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Empty nose syndrome (ENS) is a debilitating condition that often results from traumatic or iatrogenic causes, such as nasal surgery. There are various conservative and surgical treatments for ENS, but their effectiveness remains uncertain. Therefore, the development of animal models that accurately mimic human ENS is essential for advancing effective treatment strategies.

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Rashba states have been actively revisited as a platform for advanced applications such as spintronics and topological quantum computation. Yet, access to the Rashba state is restricted to the specific material sets, and the methodology to control the Rashba state is not established. Here, we report the Rashba states on the (001) surface of KZnBi, a 3D Dirac semimetal.

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Background: Enterotoxigenic Escherichia coli (E. coli) is a threat to humans and animals that causes intestinal disorders. Antimicrobial resistance has urged alternatives, including Lactobacillus postbiotics, to mitigate the effects of enterotoxigenic E.

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Background: The endoscopic combined transseptal-transnasal technique for pituitary adenoma excision is notable for enhanced postoperative functional outcomes. Our study compared the incidence of anterior nasal septal perforation and the resulting sinonasal complications between this method and the bilateral transnasal approach.

Methods: Using a retrospective cohort from a pre-eminent tertiary referral center, we analyzed 141 cases of endoscopic endonasal transsphenoidal surgery performed between March 2018 and May 2023.

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Article Synopsis
  • The review focuses on identifying the characteristics and roles of milk coproducts (like milk oligosaccharides) from human, bovine, and porcine sources, particularly how they affect the gut health and immunity of young pigs.
  • Early weaning (at 3-4 weeks) in modern pig production leads to intestinal challenges in piglets, such as dysbiosis and pathogen colonization, which compromise their health.
  • Milk oligosaccharides serve as prebiotics, supporting beneficial gut bacteria, preventing harmful pathogens from adhering to gut cells, and enhancing immune responses, making them crucial for the development of suckling and nursery pigs.
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Article Synopsis
  • The cAMP cascade is important for regulating alcohol behaviors, showing different effects with short-term vs. long-term alcohol consumption.
  • PDE4 is the main enzyme that breaks down cAMP in the brain, and a specific subtype, PDE4B, is linked to alcohol and substance use disorders.
  • The study used PET imaging in rats to show that acute alcohol increases PDE4B activity, while chronic alcohol decreases it, suggesting that PDE4B imaging could help understand and treat alcohol use disorders in humans.
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Background: This study aimed to investigate the health-related quality of life (HRQoL) at 5 years of age of European children born very preterm across multi-dimensional outcomes by presence and severity of congenital anomalies.

Methods: The study used data from a European cohort of children born very preterm (<32 weeks of gestation) and followed up to 5 years of age (N = 3493). Multilevel Ordinary Least Squares (OLS) regression were used to explore the associations between the presence and severity of congenital anomalies.

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Objective: The objective was to investigate the effects of dietary benzoic acid (BA) on nitrogen (N) balance, urinary pH, slurry pH, and odorous compounds in feces and slurry of pigs.

Methods: Twelve barrows with an initial body weight of 56.2±2.

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The objectives of this review are to investigate how benzoic acid can mitigate the negative effects of weaning stress, improve the intestinal microbiota, intestinal health, and growth of nursery pigs, determine the optimal dose level of benzoic acid for the growth rate in nursery pigs, and compare the efficacy of benzoic acid and other acids in pig feeds. After weaning, pigs are exposed to less lactose and solid feed with high acid-binding capacity at infrequent intervals, causing an increase in digesta pH, reducing protein digestion, and increasing ammonia-producing bacteria in the stomach. Benzoic acid supplementation has improved the intestinal health and growth of nursery pigs through its antimicrobial properties and pH reduction in the digesta.

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The Hanwoo traceability system currently utilizes 11 dinucleotide repeat microsatellite (MS) markers. However, dinucleotide repeat markers are known to have a high incidence of polymerase chain reaction (PCR) artifacts, such as stutter bands, which can complicate the accurate reading of alleles. In this study, we examined the polymorphisms of the 11 dinucleotide repeat MS markers currently employed in traceability systems.

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This study aimed to determine the effects of Saccharomyces yeast postbiotics on cell turnover, immune responses, and oxidative stress in the jejunal mucosa of pigs. Thirty-two newly weaned pigs at 6.05 ± 0.

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The objective of the present experiment was to determine the minimum adaptation period for total tract digestibility experiments in gestating and lactating sows using the indigestible index method. Five gestating and 5 lactating sows at parities 3 to 5 were used. An indigestible index of 0.

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This study proposed an optimized histogel construction method for histological analysis by applying lung cancer patient-derived organoids (PDOs) to the developed histo-pillar strip. Previously, there is the cultured PDOs damage problem during the histogel construction due to forced detachment of the Matrigel spots from the 96-well plate bottom. To address this issue, we cultured PDO on the proposed Histo-pillar strips and then immersed them in 4% paraformaldehyde fixation solution to self-isolate PDO without damage.

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This study aimed to investigate the nutritional and functional roles of β-mannanase on the intestinal health and growth of newly weaned pigs fed a typical or low-cost formulated feeds (LCF). Twenty-four newly weaned pigs at 6.2 kg ± 0.

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Article Synopsis
  • Accurate identification of eosinophilic chronic rhinosinusitis (ECRS) is crucial for effective treatment, as it differs from other rhinosinusitis types.
  • A study involving 640 patients after endoscopic sinus surgery was conducted to evaluate a new scoring system against existing diagnostic criteria, focusing on tissue eosinophil counts.
  • The proposed scoring system, which combines blood eosinophil percentage, total Lund-Mackay score for anterior ethmoid sinuses, and nasal polyp presence, shows promise in diagnosing ECRS and guiding treatment decisions related to oral steroids and biologics.
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