Publications by authors named "Ho-Gyeong Kim"

Neurofibromatosis type 1 (NF1) is an autosomal dominant genetic disorder, and mutations in the NF1 gene lead to RAS overactivation, which stimulates abnormal cell proliferation and can cause various tumors. The c.1748A > G mutation in the NF1 gene was initially classified as a missense mutation, but has also been suggested to be a splice mutation.

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Objectives: To determine effects of printing layer thickness and build orientation on mechanical properties and color stability of direct 3D-printed clear aligner resin.

Materials And Methods: Specimens were printed using 3D printed clear aligner resin with two printing layer thicknesses (50 µm, 100 µm) and three build orientations (90°, 60°, and 45°). Mechanical properties (tensile stress, tensile strain, and elastic modulus), color stability in coffee and artificial saliva, and roughness were then evaluated.

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In this NeuroView, we discuss challenges and best practices when dealing with disease-detection AI models that are trained on heterogeneous clinical data, focusing on the interrelated problems of model bias, causality, and rare diseases.

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Clostridioides difficile, a major cause of antibiotic-associated diarrhea, is suppressed by the gut microbiome, but the precise mechanisms are not fully described. Through a meta-analysis of 12 human studies, we designed a synthetic fecal microbiota transplant (sFMT1) by reconstructing microbial networks negatively associated with C. difficile colonization.

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Article Synopsis
  • Chronic bronchitis (CB) is defined as a persistent cough with sputum for at least three months each year for two consecutive years and is often linked to chronic obstructive pulmonary disease (COPD).
  • A study using data from over 104 million patients identified groups with CB only, COPD only, and both conditions, finding that most CB patients were diagnosed before COPD.
  • The study revealed that the group with both CB and COPD had the highest healthcare resource utilization (HCRU) and a greater prevalence of common comorbidities, emphasizing the need for better management of CB to prevent its progression to COPD.
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Infectious bovine rhinotracheitis (IBR), caused by bovine alphaherpesvirus 1 (BoAHV1), is a major viral disease affecting cattle worldwide. Passive immunity from colostrum is crucial for protecting neonatal calves; however, maternally derived antibodies can interfere with vaccine efficacy, making it vital to understand their dynamics to optimize vaccination timing. This study examined the persistence of IBR-specific antibodies in 55 Jersey calves from birth to 12 weeks of age (pre-vaccination stage) and analyzed factors influencing antibody levels.

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Objective: To conduct a systematic review on Artificial Intelligence-Mediated Communication (AIMC) behavioral interventions in cancer prevention/control and substance use.

Methods: Eight databases were searched from 2017 to 2022 using the Population Intervention Control Outcome Study (PICOS) framework. We synthesized findings of AIMC-based interventions for adult populations in cancer prevention/control or substance use, applying SIGN Methodology Checklist 2 for quality assessments and reviewing retention and engagement.

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Objective: Hirsutism, a diagnostic feature of polycystic ovary syndrome (PCOS), is often defined using arbitrary percentile cutoffs, rather than normative cutoffs from population-based data. We aimed to define normative cutoffs for hirsutism in diverse populations.

Design: Unselected population-based cluster analysis of individual participant data (IPD).

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Background: Spinal aneurysmal bone cysts (ABCs) are challenging to manage due to high vascularity and proximity to critical structures. Two patients with large, symptomatic thoracic ABCs are presented.

Observations: Preoperative tumor embolization via pedicle artery sacrifice was performed prior to planned resection to reduce intraoperative blood loss and the risk of postoperative neurological deficits.

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Tocopherol synthesis requires phytyl diphosphate derived from phytol esterified to chlorophyll metabolites. The >600-member Arabidopsis thaliana α/β hydrolase (ABH) gene family contains 4 members that can release phytol from chlorophyll metabolites in vitro; however, only pheophytinase (PPH) affects tocopherol synthesis when mutated, reducing seed tocopherols by 5%. We report the biochemical analysis of 2 previously uncharacterized ABHs, chlorophyll dephytylase 2 (CLD2) and CLD3, and their respective mutants singly and in combinations with pph and cld1 alleles.

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Developing natural, intuitive, and human-centric input systems for mobile human-machine interaction (HMI) poses significant challenges. Existing gaze or gesture-based interaction systems are often constrained by their dependence on continuous visual engagement, limited interaction surfaces, or cumbersome hardware. To address these challenges, we propose MetaSkin, a novel neurohaptic interface that uniquely integrates neural signals with on-skin interaction for bare-handed, eyes-free interaction by exploiting human's natural proprioceptive capabilities.

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Objective: We aimed to examine how different types of adrenal hormone excess influence body composition.

Design: A retrospective, cross-sectional, single-centre study.

Methods: We retrospectively enrolled 2971 consecutive adults with adrenal tumours and age-, sex-, and body mass index-matched controls at a 1:3 ratio.

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Neuroinflammation promotes the progression of various neurological and neurodegenerative diseases. Disrupted homeostasis of protein acetylation is implicated in neurodegeneration, and the lysine acetyltransferase GCN5 (also known as KAT2A) is implicated in peripheral inflammation. Here, we investigated whether GCN5 plays a role in neuroinflammation in the brain.

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Full-arch implant rehabilitation - necessitating a holistic, transdisciplinary approach - has been one of the most rapidly advancing disciplines in implant dentistry, driven by rising standards and modern technological advancements. Despite indicated cases and genuine efforts to improve efficiency, the current trend of immediacy or 'teeth-in-a-day' protocol may have unintentionally veiled a more conservative, predictable, and practical potential in wound healing process, esthetics, and occlusion. Through a more phased approach utilizing terminal dentitions as strategic abutments, this case report of three years follow-up emphasizes the leverage of natural biological phenomena in tissue maturation, remodeling, and condensation, along with prosthetic sophistications focusing on its meticulousness in execution and long-range trajectory success.

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Ibuprofen, a non-steroidal anti-inflammatory drug (NSAID), can increase the risk of bleeding, a significant concern in burn surgery, which often involves substantial blood loss. This study aims to evaluate the safety of ibuprofen use in burn patients undergoing skin grafting. A retrospective case-control chart review was conducted for patients admitted with acute burn injury from 01/01/2024 to 07/31/2024 who underwent skin grafting.

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Recently, flexible electronics have significantly transformed information and communications technology (ICT). In particular, wearable devices, via integration with attachable biosensors, have driven the development of new types of biosensors and diagnostic devices for point-of-care testing (POCT). Moreover, wearable electrochemical biosensors can be applied to diagnose diseases in real time based on the synergistic effect generated from the incorporation of the electrochemical technique.

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Background: Expanded hemodialysis (HD) using a medium cut-off dialyzer improves the clearance of middle-molecular toxins compared to conventional HD. This study evaluated the effect of expanded HD on preserving residual kidney function in incident HD patients.

Methods: Patients who initiated HD were randomized to receive dialysis with either a Theranova 400 (Baxter) or a high-flux dialyzer with a similar surface area over 12 months.

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This review focuses on the sintering of liquid metal particles (LMPs). Here, sintering means the partial merging or connecting of particles (or droplets) to form a network of percolated and, thus, conductive electrical pathways. LMPs are attractive materials because they can be suspended in a carrier fluid to create printable inks or distributed in an elastomer to create soft, stretchable composites.

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Electronic structures of iron in glasses are essential for unraveling the effect of transition metals on amorphous networks and controlling the electro-optical and transport properties of advanced glasses and amorphous energy-storing materials. The electronic configurations around iron in glasses, however, remain not well understood due to the structural disorders arising from multiple iron species with distinct valence, coordination, and spin states. Here, the first 1s3p resonant inelastic X-ray scattering (RIXS) for oxide glasses identifies hidden electronic configurations for Fe and Fe in amorphous networks.

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Importance: Although children across low- and middle-income countries (LMICs) are increasingly surviving, many are not fully thriving. Both stunting and off-track early child development (ECD) hinder children's potential to thrive.

Objectives: To estimate the global prevalence of the co-occurrence of stunting and off-track ECD and explore its association with nurturing care and sociodemographic factors.

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Background: The management of locally advanced breast cancer poses significant challenges, with contemporary strategies involving an approach that combines systemic and local treatment. The current study was performed to validate the clinical impression that locoregional recurrences have become increasingly uncommon after standardized multimodal treatment protocol.Please check and confirm that the authors and their respective affiliations have been correctly identified and amend if necessary.

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