Publications by authors named "Aye Han"

Background: Moorfields Eye Unit at the London Borough of Croydon sees over 47,000 outpatient attendances each year, 5894 of which attended the eye walk-in Urgent Care in the 2017- 2018 year, which has become unsustainable.

Methods: A recent audit found that referrers and patients had limited experience in managing ophthalmic conditions. If triaged according to clinical need only 22% patients attended required same-day hospital eye care.

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Background: Although Remdesivir has been evaluated for the treatment of coronavirus disease 2019 (COVID-19), few study has yet shown effective mortality reduction. It might be because, in almost all those studies, remdesivir therapy was started beyond 7 days from the onset of symptoms when the active viral replications have already gone.

Methods: This study reviewed the effectiveness of early remdesivir therapy during viral phase of COVID-19 and safety of its administration at home or community care during the outbreak of COVID-19 from July to September 2021 in Myanmar.

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Objective: This study aimed to identify the challenges of community health nurses (CHNs) in delivering effective community health care to achieve universal health coverage (UHC) in Myanmar.

Methods: A total of 30 CHNs from township health centers in the northeastern, southern, and western parts of Myanmar were purposefully recruited for quantitative and qualitative interviews. Quantitative data were processed using Microsoft Excel software, and qualitative data were analyzed using thematic analysis.

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Cholera, caused by , remains a global threat to public health. In Myanmar, the availability of published information on the occurrence of the disease is scarce. We report here that cholera incidence in Mandalay generally exhibited a single annual peak, with an annual average of 312 patients with severe dehydration over the past 5 years (since 2011) and was closely associated with the rainy season.

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Article Synopsis
  • Primary angle closure glaucoma (PACG) is a key cause of blindness, prompting a large-scale study involving over 10,000 PACG patients and nearly 30,000 controls across multiple continents.
  • The study identified five new genetic loci associated with PACG risk, each with significant statistical results (e.g., EPDR1 with an odds ratio of 1.24 and a P-value of 5.94 × 10(-15)).
  • Additionally, three previously known genetic loci were confirmed, enhancing the understanding of the genetic factors underlying PACG.
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Aim: To determine epidemiology of Bruneian paediatric chronic kidney disease (CKD) patients and factors that affect growth and progression of disease.

Methods: A cross-sectional study conducted on all children below 18 years old who were diagnosed with CKD over a ten year period (2004 to 2013). The reference population was all children (< 18 years old) suffering from CKD and attending the tertiary paediatric nephrology clinic in Brunei Darussalam.

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Calcineurin is responsible for mediating a wide variety of cellular processes in response to dynamic calcium (Ca(2+)) signals, yet the precise mechanisms involved in the spatiotemporal control of calcineurin signaling are poorly understood. Here, we use genetically encoded fluorescent biosensors to directly probe the role of cytosolic Ca(2+) oscillations in modulating calcineurin activity dynamics in insulin-secreting MIN6 β-cells. We show that Ca(2+) oscillations induce distinct temporal patterns of calcineurin activity in the cytosol and plasma membrane vs at the ER and mitochondria in these cells.

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Parallel detection of signaling activities allows us to correlate activity dynamics between signaling molecules. In this review, we detail a multiparameter live cell imaging method to monitor 3',5'-cyclic adenosine monophosphate (cAMP) levels and protein kinase A (PKA) activities in parallel.

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Patient: Female, 10 FINAL DIAGNOSIS: Polyangiitis Symptoms: Intracranial hemorrhage • swelling • oliguria

Medication: Cyclophosphamide • prednisolone Clinical Procedure: Plasmapheresis Specialty: Paediatric nephrology • nephrology • paediatrics.

Objective: Rare disease.

Background: MPO ANCA-associated vasculitis is very rare in children.

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Proper regulation of cellular functions relies upon a network of intricately interwoven signaling cascades in which multiple components must be tightly coordinated both spatially and temporally. To better understand how this network operates within the cellular environment, it is important to define the parameters of various signaling activities and to reveal the characteristic activity structure of the signaling cascades. This task calls for molecular tools capable of parallelly tracking multiple activities in cellular time and space with high sensitivity and specificity.

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Many protein kinases are key nodal signaling molecules that regulate a wide range of cellular functions. These functions may require complex spatiotemporal regulation of kinase activities. Here, we show that protein kinase A (PKA), Ca(2+) and cyclic AMP (cAMP) oscillate in sync in insulin-secreting MIN6 beta cells, forming a highly integrated oscillatory circuit.

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The signaling pathway mediated by JNK transduces different types of signals, such as stress stimuli and cytokines, into functional responses that mediate apoptosis, as well as proliferation, differentiation, and inflammation. To better characterize the dynamic information flow and signal processing of this pathway in the cellular context, a genetically encoded, fluorescent protein-based biosensor was engineered to detect endogenous JNK activity. This biosensor, named JNKAR1 (for JNK activity reporter), specifically detects stress- (ribotoxic and osmotic) and cytokine- (TNF-alpha) induced JNK activity in living cells with a 15 to 30% increase in the yellow-to-cyan emission ratio because of a phosphorylation-dependent increase in FRET between two fluorescent proteins.

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Dynamic post-translational modifications (PTMs) regulate and diversify protein properties and cellular behaviors. Real-time monitoring of these modifications has been made possible with biosensors based on fluorescent proteins (FPs) and fluorescence resonance energy transfer (FRET), which can provide spatiotemporal information of PTMs with little perturbation to the cellular environment. In this review, we highlight available fluorescent biosensors applicable to detect PTMs in living cells and how they have shed light on biological questions that have been difficult to address otherwise.

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The Esigma70-dependent N25 promoter is rate-limited at promoter escape. Here, RNA polymerase repeatedly initiates and aborts transcription, giving rise to a ladder of short RNAs 2-11 nucleotides long. Certain mutations in the initial transcribed sequence (ITS) of N25 lengthen the abortive initiation program, resulting in the release of very long abortive transcripts (VLATs) 16-19 nucleotides long.

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In 2001, Myanmar (Burma) had its largest outbreak of dengue-15,361 reported cases of dengue hemorrhagic fever/dengue shock syndrome (DHF/DSS), including 192 deaths. That year, 95% of dengue viruses isolated from patients were serotype 1 viruses belonging to two lineages that had diverged from an earlier, now extinct, lineage sometime before 1998. The ratio of DHF to DSS cases in 2001 was not significantly different from that in 2000, when 1,816 cases of DHF/DSS were reported and dengue 1 also was the most frequently isolated serotype.

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