Publications by authors named "Ah R Kim"

Bladder cancer (BCa) is the most common malignancy of the urinary system with high incidence and recurrence rates. There are several ways to detect BCa. However, different approaches have different accuracy, which essentially depends on the sensitivity and specificity of the technique.

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  • The study introduces a cost-effective eDNA extraction method using guanidine hydrochloride (GuHCl), making it easier to assess aquatic biodiversity, particularly in developing countries.
  • The GuHCl method successfully detected more fish species in freshwater compared to the traditional Qiagen kit, but faced challenges in brackish water due to higher PCR inhibition.
  • Overall, the GuHCl protocol offers a more sensitive and affordable option for large-scale eDNA studies, especially beneficial for monitoring low-abundance species.
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  • The study analyzes the mitochondrial genome of a species from the Eastern Atlantic Ocean, detailing its 16,541 base pairs, which include 13 protein-coding genes, 22 tRNA genes, two rRNA genes, and a control region.
  • It reveals a significant adenine-thymine (AT) bias in the nucleotide composition, with most protein-coding genes starting with the ATG codon and highlights the presence of strong purifying selection based on codon usage analysis.
  • The research also conducts phylogenetic analysis among 72 species to differentiate this species within the Carangidae family and examines the role of ocean currents in its evolutionary dynamics and speciation.
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In the post-pandemic context, there has been an increasing demand for technology-based interventions in education and healthcare systems, such as augmented and mixed reality technologies. Despite the promising outcomes of applying mixed reality (MR), there is limited aggregated evidence focusing on child-patient interventions in hospital-based or clinical settings. This literature review aimed to identify and synthesize existing knowledge on MR technologies applied to pediatric patients in healthcare settings.

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The small mammalian fauna plays pivotal roles in ecosystem dynamics and as crucial biodiversity indicators. However, recent research has raised concerns about the decline of mammalian species due to climate change. Consequently, significant attention is directed toward studying various big flagship mammalian species for conservation.

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The hispid hare, , belonging to the family Leporidae is a small grassland mammal found in the southern foothills of the Himalayas, in India, Nepal, and Bhutan. Despite having an endangered status according to the IUCN Red List, it lacks studies on its distribution and is threatened by habitat loss and land cover changes. Thus, the present study attempted to assess the habitat suitability using the species distribution model approach for the first time and projected its future in response to climate change, habitat, and urbanization factors.

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The limited proliferative capacity of erythroid precursors is a major obstacle to generate sufficient numbers of in vitro-derived red blood cells (RBC) for clinical purposes. We and others have determined that BMI1, a member of the polycomb repressive complex 1 (PRC1), is both necessary and sufficient to drive extensive proliferation of self-renewing erythroblasts (SREs). However, the mechanisms of BMI1 action remain poorly understood.

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  • Research on groupers' mitogenomes is ongoing, focusing on species from the Eastern Atlantic and their phylogenetic relationships.
  • The mitogenome analyzed spans 16,572 base pairs, consisting of 13 protein-coding genes, 2 ribosomal RNA genes, and 22 transfer RNA genes, with notable AT bias and specific start codons for most genes.
  • Phylogenetic analyses show clear distinctions among the species studied, highlighting the importance of mitogenomic structure in understanding evolutionary trends in serranid groupers.
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The mitogenomic evolution of the flatfishes is still poorly known from their range distribution in eastern Atlantic and Indo-West Pacific Oceans. The study delves into the matrilineal evolutionary pathway of these primitive flatfishes, with a specific focus on the complete mitogenome of the species, as determined through next-generation sequencing. The mitogenome in question spans a length of 16,747 base pairs and comprises a total of 37 genes, including 13 protein-coding genes, 2 ribosomal RNA genes, 22 transfer RNA genes, and a control region.

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The mitogenomic evolution of old-world cichlids is still largely incomplete in Western Africa. In this present study, the complete mitogenome of the Cameroon endemic cichlid, was determined by next-generation sequencing. The mitogenome was 16,557 bp long and encoded with 37 genes (13 protein-coding genes, two ribosomal RNA genes, 22 transfer RNA genes, and a control region).

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  • Dystonia is a complex movement disorder with various genetic causes, and this study investigates the role of whole exome sequencing (WES) in identifying these genetic variants in Korean patients with young-onset dystonia.
  • Researchers performed WES on 43 patients, finding 11 disease-causing variants in 9 individuals, which highlights the potential for WES to enhance the understanding and diagnosis of dystonia, particularly in cases that begin in childhood or are generalized.
  • The study suggests that combining clinical assessments, brain imaging, and genetic testing can improve the diagnosis and management of dystonia patients, paving the way for more personalized treatment options.
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  • The Indian highland shrew is a poorly understood species native to Southern India, with taxonomic uncertainties and a complex history related to its classification.
  • Genetic analyses, specifically mitochondrial DNA, revealed significant genetic differences between the Indian population and other shrew species, indicating a distinct lineage that diverged in the late Pliocene.
  • The study suggests that the shrew's ancestors originated in Africa and evolved distinct populations across continents due to tectonic shifts, highlighting the need for further research to explore the species' genetic diversity and evolutionary history.
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  • The airbreathing walking catfish includes 32 species found in African freshwater systems, but identifying them is difficult due to complex taxonomy and variability.
  • This study generated COI gene sequences from catfish in the Nyong River, revealing distinct genetic distances and diverse haplotypes among species, suggesting hidden diversity.
  • Molecular analysis identified multiple operational taxonomic units, indicating possible cryptic species and genetic decline due to poor aquaculture practices, with a recommendation for further study across different river basins.
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Wearable electronic devices with next-generation biocompatible, mechanical, ultraflexible, and portable sensors are a fast-growing technology. Hardware systems enabling artificial neural networks while consuming low power and processing massive in situ personal data are essential for adaptive wearable neuromorphic edging computing. Herein, the development of an ultraflexible artificial-synaptic array device with concrete-mechanical cyclic endurance consisting of a novel heterostructure with an all-solid-state 2D MoS channel and LiSiO (lithium silicate) is demonstrated.

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The mitogenome of an endemic catfish was determined from the Cameroon water. This circular mitogenome was 16,511 bp in length and comprised 13 protein-coding genes, 2 ribosomal RNAs, 22 transfer RNAs, and a single AT-rich control region. The heavy strand accommodates 28 genes, whereas the light strand is constituted by and eight transfer RNA (tRNA) genes.

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  • The Indian star tortoise is heavily traded in South Asia, prompting conservation agencies to propose guidelines for its protection.
  • Genetic research revealed low diversity within the species and identified suitable habitats primarily in Sri Lanka, with significant habitat fragmentation in India due to urbanization and agriculture.
  • The study highlights the urgent need for a conservation strategy that includes genetic screening, scientific breeding, and restoring genetic diversity for the star tortoise, while also addressing the impact of wildlife trade.
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  • The study aims to compare the effectiveness of tegoprazan, a new acid blocker, with esomeprazole in relieving nighttime heartburn and sleep disturbances in patients with gastroesophageal reflux disease (GERD).
  • A total of 46 patients participated, receiving either tegoprazan 50 mg or esomeprazole 40 mg for 2 weeks, and although tegoprazan showed a faster time to first nighttime heartburn-free interval, the difference was not statistically significant.
  • The results suggest that while tegoprazan might provide quicker relief from nighttime heartburn, more extensive studies are needed to confirm these findings due to the small sample size and significant limitations in statistical significance.
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High-precision artificial synaptic devices compatible with existing CMOS technology are essential for realizing robust neuromorphic hardware systems with reliable parallel analogue computation beyond the von Neumann serial digital computing architecture. However, critical issues related to reliability and variability, such as nonlinearity and asymmetric weight updates, have been great challenges in the implementation of artificial synaptic devices in practical neuromorphic hardware systems. Herein, a robust three-terminal two-dimensional (2D) MoS artificial synaptic device combined with a lithium silicate (LSO) solid-state electrolyte thin film is proposed.

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This study conducts a systematic review and meta-analysis of the randomized-controlled clinical trials (RCTs) of attachment- and relationship-based interventions in the NICU. A systematic search of the PubMed, MEDLINE, Embase (OVID), PsycINFO, and CINAHL databases and the Cochrane Database of Systematic Reviews was conducted in February 2021. Of the 32,904 studies examined, 15 were identified as relevant, and 10 RCTs were eligible for meta-analysis.

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A species-specific quantitative PCR (qPCR) assay using environmental DNA (eDNA) is a promising tool for both qualitative and quantitative analyses of target species directly from water samples. Despite its reliability, an eDNA-based qPCR assay pipeline has not yet developed to monitor salmon species inhabiting Korean waters, which have been rapidly decreasing. We designed species-specific primers for four species inhabiting the eastern coastal waters along the Korean Peninsula.

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  • Postoperative patient-controlled analgesia (PCA) helps manage pain, promotes quicker mobility, and can lead to shorter hospital stays by allowing patients to control their pain relief.
  • This study aimed to ensure that the mixtures of drugs used in intravenous PCA are stable both microbiologically and physicochemically.
  • The results showed that all drug mixtures remained clear and sediment-free, no microbial growth was detected after 14 days, and pH levels remained consistent throughout the 96-hour observation period.
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Background: Tegoprazan is a novel, fast- and long-acting potassium-competitive acid blocker that suppresses gastric acid secretion, which could benefit patients with non-erosive reflux disease (NERD), a type of gastroesophageal reflux disease.

Aim: To evaluate the efficacy and safety profiles of tegoprazan compared with those of a placebo in Korean patients with NERD.

Methods: In this phase 3, double-blind, placebo-controlled, multicentre study, 324 Korean patients with NERD were randomised into three treatment groups: tegoprazan 50 mg, tegoprazan 100 mg and placebo.

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