Publications by authors named "Dieu Nguyen"

Antibody glycosylation patterns can affect antibody functionality and thereby contribute to protection against invading pathogens. During pregnancy, maternal antibodies can be transferred through the placenta and contribute to modulating both the mother's and her child's immune responses. Although several studies of IgG glycosylation during pregnancy have been carried out, very few cohorts studied were from sub-Saharan Africa, where exposure to microorganisms and parasites is high.

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  • Gastroesophageal junction carcinoma (GEJC) and esophageal squamous cell carcinoma (ESCC) cases are on the rise in Australia, prompting a study on their trends and future predictions using Australian cancer data from 2009 to 2018.
  • The analysis showed that GEJC incidents increased significantly, particularly among men, while the rates for women showed a slight decline; ESCC cases also increased but at a slower rate.
  • The study predicts that by 2039, approximately 6 in 100,000 will be diagnosed with GEJC and 2 in 100,000 with ESCC, both having low 10-year survival rates, although women showed relatively better survival rates than men.
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Traumatic optic neuropathies cause the death of retinal ganglion cells (RGCs) and axon degeneration. This is a result of the blockage of neurotrophic factor (NTF) supply from the brain and a vicious cycle of neurotoxicity, possibly mediated by increased levels of retinal Zn . Ciliary neurotrophic factor (CNTF) and brain-derived neurotrophic factor (BDNF) are two NTFs that are known to support RGC survival and promote axon regeneration.

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  • This study focuses on improving light emission from perovskite nanocrystal films, which are important for light-emitting devices, by using a TiO grating to enhance light extraction.
  • The research found that this method resulted in a 10-fold increase in emission intensity and a reduction in photoluminescence lifetime, indicating a more efficient light output.
  • Results from various imaging techniques revealed how the grating interacts with the nanocrystals, paving the way for developing higher-performing perovskite optoelectronic devices.
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Circadian rhythms influence various physiological and behavioral processes such as sleep-wake cycles, hormone secretion, and metabolism. In , an important set of circadian output neurons are called pars intercerebralis (PI) neurons, which receive input from specific clock neurons called DN1. These DN1 neurons can further be subdivided into functionally and anatomically distinctive anterior (DN1a) and posterior (DN1p) clusters.

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Open wounds present a significant challenge in healthcare, requiring careful management to prevent infection and promote wound healing. Advanced wound dressings are critical need to enhance their hemostatic capabilities, antimicrobial properties, and ability to support angiogenesis and sustained moisture for optimal healing. This study introduces a flexible hemostatic dressing designed for open wounds, integrating chitosan (CS) for hemostasis and biocompatibility, silk fibroin (SF) for mechanical strength, and montmorillonite (MMT) for enhanced drug transport.

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Objectives: To examine how gender-sensitive community weight-loss programmes have been used to address overweight and obesity in men and to identify what can be learnt from this rapidly evolving field.

Design: Scoping review following Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for scoping review checklist for reporting.

Data Sources: A database search was conducted using EBSCOhost (Academic Search Complete, CINAHL Complete, Global Health, Health Source: Consumer Edition, Health Source: Nursing/Academic Edition and Medline Complete), Google, Google Scholar, Open Access Theses and Dissertations platform and Scopus.

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  • Plants serve as a cost-effective pharmaceutical platform with low contamination risks, but their use for medical treatments faces challenges like allergic reactions to foreign proteins.
  • Researchers developed a plant-based version of dupilumab called Dup-scFv, which shows promise for local delivery in treating allergic and autoimmune diseases without systemic side effects.
  • Tests indicated that Dup-scFv is effective in reducing inflammation in human nasal cells and has better tissue permeability than traditional dupilumab, suggesting that plant-produced therapies could be a viable option for non-invasive treatments.
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Background: Roots play an important role during plant growth and development, ensuring water and nutrient uptake. Understanding the mechanisms regulating their initiation and development opens doors towards root system architecture engineering.

Results: Here, we investigated by RNA-seq analysis the changes in gene expression in the barley stem base of 1 day-after-germination (DAG) and 10DAG seedlings when crown roots are formed.

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Wound infection and excessive blood loss are the two major challenges associated with trauma injuries that account for 10% of annual deaths in the United States. Nitric oxide (NO) is a gasotransmitter cell signaling molecule that plays a crucial role in the natural wound healing process due to its antibacterial, anti-inflammatory, cell proliferation, and tissue remodeling abilities. Tranexamic acid (TXA), a prothrombotic agent, has been used topically and systemically to control blood loss in reported cases of epistaxis and combat-related trauma injuries.

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Sulfurtransferases transfer of sulfur atoms from thiols to acceptors like cyanide. They are categorized as thiosulfate sulfurtransferases (TSTs) and 3-mercaptopyruvate sulfurtransferases (MSTs). TSTs transfer sulfur from thiosulfate to cyanide, producing thiocyanate.

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Many nocturnally active fireflies use precisely timed bioluminescent patterns to identify mates, making them especially vulnerable to light pollution. As urbanization continues to brighten the night sky, firefly populations are under constant stress, and close to half of the species are now threatened. Ensuring the survival of firefly biodiversity depends on a large-scale conservation effort to monitor and protect thousands of populations.

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Background: Electrophysiological recording with glass electrodes is one of the best techniques to measure membrane potential dynamics and ionic currents of voltage-gated channels in neurons. However, artifactual variability of the biophysical state variables that determine recording quality can be caused by insufficient affinity between the electrode and cell membrane during the recording.

New Method: We introduce a phospholipid membrane coating on glass electrodes to improve intracellular electrophysiology recording quality.

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Many polar organisms produce antifreeze proteins (AFPs) and ice-binding proteins (IBPs) to protect themselves from ice formation. As IBPs protect cells and organisms, the potential of IBPs as natural or biological cryoprotective agents (CPAs) for the cryopreservation of animal cells, such as oocytes and sperm, has been explored to increase the recovery rate after freezing-thawing. However, only a few IBPs have shown success in cryopreservation, possibly because of the presence of protein denaturants, such as dimethyl sulfoxide, alcohols, or ethylene glycol, in freezing buffer conditions, rendering the IBPs inactive.

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Objective: Given the growing popularity of health Apps, this study aimed to evaluate popular pregnancy Apps among Australian women.

Design: Ten popular pregnancy mobile device Apps accessible within Australia were assessed using the Deakin Health E-technologies Assessment Lab (HEAL) framework, the Australian Privacy Principles (APP) and other context-specific criteria.

Results: Most Apps were robust in use and user-friendly in terms of design.

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Objective: Aortic stenosis (AS) is one of the most common acquired cardiac valvular diseases. The success of transcatheter aortic valve implantation (TAVI) for severe AS has led to increasing interest in its use to earlier disease-moderate AS (MAS).

Design: Model-based study using a Markov microsimulation technique to evaluate the long-term costs and benefits associated with 'early' TAVI.

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Introduction: Since the US Medical Licensing Examination (USMLE) Step 1 became Pass/Fall in 2022, medical students competing for residency spots must distinguish themselves with alternative criteria. Research experiences and output offer valuable skill development and objective metrics to support competitive residency applications.

Objective: We describe the methodological development of a structured program to support, enhance, and track medical student research efforts at the University of South Carolina School of Medicine Greenville, explain the implementation of the program, and summarize initial program outcomes.

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The two-hit model has been proposed to explain the effects of diabetes on mothers who are already in a putative subclinical damaged state and then undergo neuronal damage during the delivery process. However, the anatomical and pathophysiological mechanisms are not well understood. Our overarching hypothesis in this review paper is that pregnant women who are diabetic have a damaged peripheral nervous system, constituting the "first hit" hypothesis.

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Background: Despite its importance in being among the top 10 causes of childhood death, there is limited data on the incidence of stroke in children and whether this has changed over time.

Aims: We performed a systematic review and meta-analysis to estimate the worldwide incidence rate of pediatric ischemic stroke, identify population differences, and assess trends in incidence.

Methods: We screened three databases (Medline, Embase, and Cumulative Index of Nursing and Allied Health Literature (CINAHL)) and a Google Search was performed up to October 2021.

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Whether percutaneous coronary intervention (PCI) is effective in improving long-term survival in an Australian PCI cohort remains unclear. We aimed to examine the change in the remaining life expectancy for patients who underwent PCI over the past decade. Patient data from the Melbourne Interventional Group were divided into four 3-year periods (2005 to 2007, 2008 to 2010, 2011 to 2013, and 2014 to 2016) for survival analysis.

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Ornithine carbamoyltransferases (OTCs) are involved in the arginine deiminase (ADI) pathway and in arginine biosynthesis. Two OTCs in a pair are named catalytic OTC (cOTC) and anabolic OTC (aOTC). The cOTC is responsible for catalyzing the third step of the ADI pathway to catabolize citrulline into carbamoyl phosphate (CP), as well as ornithine, and displays CP cooperativity.

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Introduction: No recent full-text-based systematic review has been published to examine economic evidence around acute myeloid leukemia (AML) or chronic lymphocytic leukemia (CLL) treatment. We aimed to perform a systematic review in this area.

Areas Covered: This review entailed searches in three main databases for economic evaluations of treatment in AML or CLL.

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Introduction: The prevalence of obesity is increasing in developed countries, including Australia. There is evidence that bariatric surgery is effective in losing weight and reducing risk of chronic diseases. However, access to bariatric surgery remains limited in the public health sector.

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Nine compounds including a new one, garcichaudiic acid (), were isolated from the bark of and their structures were characterized mainly by 1 D and 2 D NMR experiments. The antioxidant capacity of the isolated compounds was determined using DPPH radical scavenging assay and the anti-hyperglycemic activity was assessed by measuring the inhibitory effect against α-glucosidase. Among them, compound showed higher antioxidant activity than the positive control, ascorbic acid, while both compounds and exhibited more significant α-glucosidase inhibitory activity than the reference drug acarbose.

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