Publications by authors named "J-L Lee"

Blended care therapy (BCT), which augments live, video-based psychotherapy sessions with asynchronous digital tools, has the potential to increase access to evidence-based treatments for posttraumatic stress disorder (PTSD). However, its effectiveness in diverse, real-world settings is not well-understood. This evaluation aimed to assess clinical outcomes of a BCT program for PTSD symptoms.

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Molecular subtypes, such as defined by The Cancer Genome Atlas (TCGA), delineate a cancer's underlying biology, bringing hope to inform a patient's prognosis and treatment plan. However, most approaches used in the discovery of subtypes are not suitable for assigning subtype labels to new cancer specimens from other studies or clinical trials. Here, we address this barrier by applying five different machine learning approaches to multi-omic data from 8,791 TCGA tumor samples comprising 106 subtypes from 26 different cancer cohorts to build models based upon small numbers of features that can classify new samples into previously defined TCGA molecular subtypes-a step toward molecular subtype application in the clinic.

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Resistance to chimaeric antigen receptor (CAR) T cell therapy develops through multiple mechanisms, most notably antigen loss and tumour-induced immune suppression. It has been suggested that T cells expressing multiple CARs may overcome the resistance of tumours and that T cells expressing receptors that switch inhibitory immune-checkpoint signals into costimulatory signals may enhance the activity of the T cells in the tumour microenvironment. However, engineering multiple features into a single T cell product is difficult because of the transgene-packaging constraints of current gene-delivery vectors.

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Background: Osteoarthritis (OA) is a painful degenerative joint disease and a leading source of years lived with disability globally due to inadequate treatment options. Neuroimmune interactions reportedly contribute to OA pain pathogenesis. Notably, in rodents, macrophages in the DRG are associated with onset of persistent OA pain.

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KRAS is an important oncogenic driver which is mutated in numerous cancers. Recent advances in the selective targeting of KRAS mutants via small molecule inhibitors and targeted protein degraders have generated an increase in research activity in this area in recent years. As such, there is a need for new assay platforms to profile next generation inhibitors which improve on the potency and selectivity of existing drug candidates, while evading the emergence of resistance.

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Purpose: To evaluate correlation between terminal ileal (TI) stricture diagnosis at MR enterography (MRE) and ileocolonoscopy (IC) in patients with Crohn's disease (CD).

Methods: One hundred and four patients with CD (51% females; 41 ± 15 years) underwent IC and MRE within 3 months in this retrospective case-control study. Positive cases had TI strictures diagnosed by endoscopy (n = 35); or MRE (threshold small bowel dilation ≥ 3cm; n = 34).

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Background: Evidence to show that neurally adjusted ventilatory assist (NAVA) improves clinical outcomes is lacking. We aimed to analyze whether NAVA improves respiratory outcomes in preterm infants who require invasive mechanical ventilation.

Methods: A retrospective cohort study was conducted in 122 very low birthweight infants who required invasive mechanical ventilation for more than 24 h at one tertiary neonatal intensive care unit in Korea from January 2016 to June 2023.

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Understanding the rapidly evolving landscape of single-cell and spatial omic technologies is crucial for advancing biomedical research and drug development. We provide a living review of both mature and emerging commercial platforms, highlighting key methodologies and trends shaping the field. This review spans from foundational single-cell technologies such as microfluidics and plate-based methods to newer approaches like combinatorial indexing; on the spatial side, we consider next-generation sequencing and imaging-based spatial transcriptomics.

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Tactile feedback from brain-controlled bionic hands can be partially restored via intracortical microstimulation (ICMS) of the primary somatosensory cortex. In ICMS, the location of percepts depends on the electrode's location and the percept intensity depends on the stimulation frequency and amplitude. Sensors on a bionic hand can thus be linked to somatotopically appropriate electrodes, and the contact force of each sensor can be used to determine the amplitude of a stimulus.

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The increased usage of nonrefractive cosmetic contact lenses in Asia and a trend toward increased online purchasing of both refractive and cosmetic contact lenses poses unique challenges in the management of contact lens-related complications. However, regulations have lagged behind this increased uptake in the community. This paper reviews regulations surrounding the manufacturing, import, and distribution of contact lenses in the Asia Pacific region and compares them with international regulations from the European Union and United States.

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Background: Ca release-activated Ca channel regulator 2A (CRACR2A) has been linked to immunodeficiency attributable to T-cell dysfunction in humans. We discovered that neutrophil CRACR2A promotes neutrophil adhesive and migratory functions by facilitating Ca mobilization and β2 integrin activation.

Methods: Myeloid-specific cracr2a conditional knockout mice and intravital microscopy were used to investigate the physiologic role of neutrophil cracr2a in neutrophil recruitment in vascular inflammation.

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Lycii Radicis Cortex (LRC), the dried root bark of Mill., has traditionally been used as a medicinal herb in East Asia to treat fever and hyperhidrosis. In the present study, we investigated the effects of LRC extract on ligation-induced experimental periodontitis and associated alveolar bone loss in rats.

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Individuals develop interdependence through interactions. The process of physical coordination during face-to-face interactions facilitates relationship formation, emotional experiences, and emotional contagion. Workplaces inherently involve organic and continuous face-to-face interactions.

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Objectives: This study aims to assess the limitations of the height loss ratio (HLR) method and introduce a new approach that integrates a deep learning (DL) model to enhance vertebral compression fracture (VCF) detection performance.

Methods: We conducted a retrospective study on 589 patients with chronic VCFs. We compared four different methods: HLR-only, DL-only, a combination of HLR and DL for positive VCF, and a combination of HLR and DL for negative VCF.

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Article Synopsis
  • - The study evaluates whether Taiwan will continue to provide coverage for nirmatrelvir/ritonavir (NMV/r) for high-risk COVID-19 patients, considering its clinical benefits and impact on healthcare resources.
  • - A decision tree model was used to compare the current utilization rates of NMV/r (80%) against a scenario where coverage is not extended (0%), leading to significant differences in hospitalizations, bed days, and mortality.
  • - The analysis suggests that continued use of NMV/r could significantly decrease healthcare-related burdens and fatalities associated with mild-to-moderate COVID-19 cases in Taiwan.
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Purpose: To compare the survival rate (revision surgery) and clinical and radiologic outcomes of arthroscopic partial versus complete repair for large to massive rotator cuff tears over a minimum 10-year follow-up period.

Methods: We conducted a retrospective analysis of patients who underwent arthroscopic partial or complete repair of large to massive rotator cuff tears between 2008 and 2013, with minimum 10-year follow-up. Functional outcomes were measured using the visual analog scale pain score, Subjective Shoulder Value, American Shoulder and Elbow Surgeons score, University of California, Los Angeles shoulder score, and passive range of motion preoperatively and at the last follow-up.

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The accurate screening of candidate drug ligands against target proteins through computational approaches is of prime interest to drug development efforts. Such virtual screening depends in part on methods to predict the binding affinity between ligands and proteins. Many computational models for binding affinity prediction have been developed, but with varying results across targets.

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Cardiac diseases represent common highly morbid conditions for which molecular mechanisms remain incompletely understood. Here we report the analysis of 1,459 protein measurements in 44,313 UK Biobank participants to characterize the circulating proteome associated with incident coronary artery disease, heart failure, atrial fibrillation and aortic stenosis. Multivariable-adjusted Cox regression identified 820 protein-disease associations-including 441 proteins-at Bonferroni-adjusted P < 8.

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Background: Genomic sequencing technology allows for identification of reproductive couples with an increased chance, as compared with that in the general population, of having a child with an autosomal recessive or X-linked genetic condition.

Methods: We investigated the feasibility, acceptability, and outcomes of a nationwide, couple-based genetic carrier screening program in Australia as part of the Mackenzie's Mission project. Health care providers offered screening to persons before pregnancy or early in pregnancy.

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Article Synopsis
  • This study explores using human mesenchymal stem cells (hMSCs) transformed into glia-like cells (ghMSCs) to improve recovery after ischemic strokes, which cause brain damage.
  • Transcriptome analysis shows that ghMSCs behave like astrocytes and demonstrate better protective and regenerative qualities against brain injury than regular hMSCs.
  • In rat models, transplanting ghMSCs improved behavioral function and reduced brain damage, with their effectiveness linked to CXCR2 signaling, suggesting a potential therapy for stroke recovery by promoting neuroplasticity.
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Disease-modifying therapies for Alzheimer's disease (AD) are likely to be most beneficial when initiated in the presymptomatic phase. To track the benefit of such interventions, fluid biomarkers are of great importance, with neurofilament light chain protein (NfL) showing promise for monitoring neurodegeneration and predicting cognitive outcomes. Here, we update and complement previous findings from the Dominantly Inherited Alzheimer Network Observational Study by using matched cross-sectional and longitudinal cerebrospinal fluid (CSF) and plasma samples from 567 individuals, allowing timely comparative analyses of CSF and blood trajectories across the entire disease spectrum.

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Article Synopsis
  • * A total of 7062 patients participated, and the results showed no significant difference in primary cardiovascular outcomes between the colchicine group (9.1%) and the placebo group (9.3%) over a 3-year follow-up period.
  • * Colchicine did lower C-reactive protein levels, indicating some anti-inflammatory effect, but it also caused more diarrhea compared to placebo, though serious infections were similar in both groups.
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Background: Evidence comparing the impact of various biologics for psoriasis on the progression to psoriatic arthritis (PsA) is limited. We therefore assessed the risk of PsA associated with interleukin (IL)-23 inhibitor, IL-17 inhibitor, or IL-12/23 inhibitor use compared with tumor necrosis factor (TNF) inhibitor use among patients with psoriasis.

Methods: This population-based cohort study used the nationwide claims database from South Korea (2007-2023).

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This study explores the neuroprotective effects of neuropeptide FF (NPFF, FLFQPQRFamide) in the context of ischemic injury. Based on transcriptomic analysis in stroke models treated with 5-Aza-dC and task-specific training, we identified significant gene expression changes, particularly involving NPFF. To further explore NPFF's role in promoting neuronal recovery, recombinant NPFF protein (rNPFF) was used in primary mixed cortical cultures subjected to oxygen-glucose deprivation and reoxygenation.

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