Naresuan University Journal
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Molecular analysis of the cumulus matrix: insights from mice with O-glycan-deficient oocytes
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Search for a new resonance decaying to a W or Z boson and a Higgs boson in the final states with the ATLAS detector
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A review of occupational disease surveillance systems in Modernet countries.
No full textBACKGROUND: To improve occupational health public policies and to facilitate coordinated research within the European Union to reduce the incidence of occupational diseases (ODs), it is important to know what OD surveillance systems exist and how they compare. Monitoring trends in occupational diseases and tracing new and emerging risks in a network (Modernet) participants are well placed to provide this information as most either contribute data to and/or are involved in the management of OD systems. AIMS: To identify and describe OD surveillance systems in Modernet countries with the longer-term objective of identifying a core template to be used on a large scale. METHODS: A questionnaire sent to Modernet participants, seeking structured information about the OD surveillance system(s) in their country. RESULTS: Overall 14 countries (70%) provided information for 33 OD systems, among them 11 compensation-based (CB) systems. Six countries provided information for non-CB systems reporting for any type of OD. The other systems reported either only ODs from a prescribed list, or specific diagnoses or diagnostic groups, with reports to most schemes being physician-based. Data collected varied but all systems collected diagnosis, age, gender, date reported and occupation (and/or industry) and most collected information on exposure. CONCLUSIONS: This review provides information beneficial to both policy makers and researchers by identifying data sources useable to measure OD trends in European countries and opening the way to future work, both on trend comparisons within Europe and on the definition of a core template to extend OD surveillance on a larger scale
The importance of integration of stakeholder views in Core Outcome Set development::Otitis Media with Effusion in children with cleft palate
No full textBackground Approximately 75% of children with cleft palate (CP) have Otitis Media with Effusion (OME) histories. Evidence for the effective management of OME in these children is lacking. The inconsistency in outcome measurement in previous studies has led to a call for the development of a Core Outcome Set (COS). Despite the increase in the number of published COS, involvement of patients in the COS development process, and methods to integrate the views of patients and health professionals, to date have been limited. Methods and Findings A list of outcomes measured in previous research was identified through reviewing the literature. Opinion on the importance of each of these outcomes was then sought from key stakeholders: Ear, Nose and Throat (ENT) surgeons, audiologists, cleft surgeons, speech and language therapists, specialist cleft nurses, psychologists, parents and children. The opinion of health professionals was sought in a three round Delphi survey where participants were asked to score each outcome using a bespoke online system. Parents and children were also asked to score outcomes in a survey and provided an in-depth insight into having OME through semi-structured interviews. The results of the Delphi survey, interviews and parent/patient survey were brought together in a final consensus meeting with representation from all stakeholders. A final set of eleven outcomes reached the definition of “consensus in� to form the recommended COS: hearing; chronic otitis media (COM); OME; receptive language skills; speech development; psycho social development; acute otitis media (AOM); cholesteatoma; side effects of treatment; listening skills; otalgia. Conclusions We have produced a recommendation about the outcomes that should be measured, as a minimum, in studies of the management of OME in children with CP. The development process included input from key stakeholders and used novel methodology to integrate the opinion of healthcare professionals, parents and children
Frequent Derepression of the Mesenchymal Transcription Factor Gene FOXC1 in Acute Myeloid Leukemia.
No full textThrough in silico and other analyses, we identified FOXC1 as expressed in at least 20% of human AML cases, but not in normal hematopoietic populations. FOXC1 expression in AML was almost exclusively associated with expression of the HOXA/B locus. Functional experiments demonstrated that FOXC1 contributes to a block in monocyte/macrophage differentiation and enhances clonogenic potential. In in vivo analyses, FOXC1 collaborates with HOXA9 to accelerate significantly the onset of symptomatic leukemia. A FOXC1-repressed gene set identified in murine leukemia exhibited quantitative repression in human AML in accordance with FOXC1 expression, and FOXC1(high) human AML cases exhibited reduced morphologic monocytic differentiation and inferior survival. Thus, FOXC1 is frequently derepressed to functional effect in human AML
Two-pore Channels (TPC2s) and Nicotinic Acid Adenine Dinucleotide Phosphate (NAADP) at Lysosomal-Sarcoplasmic Reticular Junctions Contribute to Acute and Chronic β-Adrenoceptor Signaling in the Heart.
No full textCa(2+)-permeable type 2 two-pore channels (TPC2) are lysosomal proteins required for nicotinic acid adenine dinucleotide phosphate (NAADP)-evoked Ca(2+) release in many diverse cell types. Here, we investigate the importance of TPC2 proteins for the physiology and pathophysiology of the heart. NAADP-AM failed to enhance Ca(2+) responses in cardiac myocytes from Tpcn2(-/-) mice, unlike myocytes from wild-type (WT) mice. Ca(2+)/calmodulin-dependent protein kinase II inhibitors suppressed actions of NAADP in myocytes. Ca(2+) transients and contractions accompanying action potentials were increased by isoproterenol in myocytes from WT mice, but these effects of β-adrenoreceptor stimulation were reduced in myocytes from Tpcn2(-/-) mice. Increases in amplitude of L-type Ca(2+) currents evoked by isoproterenol remained unchanged in myocytes from Tpcn2(-/-) mice showing no loss of β-adrenoceptors or coupling mechanisms. Whole hearts from Tpcn2(-/-) mice also showed reduced inotropic effects of isoproterenol and a reduced tendency for arrhythmias following acute β-adrenoreceptor stimulation. Hearts from Tpcn2(-/-) mice chronically exposed to isoproterenol showed less cardiac hypertrophy and increased threshold for arrhythmogenesis compared with WT controls. Electron microscopy showed that lysosomes form close contacts with the sarcoplasmic reticulum (separation ∼25 nm). We propose that Ca(2+)-signaling nanodomains between lysosomes and sarcoplasmic reticulum dependent on NAADP and TPC2 comprise an important element in β-adrenoreceptor signal transduction in cardiac myocytes. In summary, our observations define a role for NAADP and TPC2 at lysosomal/sarcoplasmic reticulum junctions as unexpected but major contributors in the acute actions of β-adrenergic signaling in the heart and also in stress pathways linking chronic stimulation of β-adrenoceptors to hypertrophy and associated arrhythmias
Translating cognitive and everyday activity deficits into cognitive interventions in mild dementia and mild cognitive impairment
No full textObjective Mild dementia is marked by deficits in cognition and everyday activities. However, few studies have translated findings from both areas of functioning into effective cognitive rehabilitation. The purpose of this review was to critically evaluate the existing literature on the type and success of interventions and on their extent of use of cognitive theory. Given the limited evidence base in this population, further insights were obtained from studies on mild cognitive impairment (MCI), which involves fewer cognitive and everyday functioning problems than dementia. Methods From the literature searches, 11 studies on mild dementia and three studies on MCI were obtained. Studies were only included if the interventions either targeted instrumental activities of daily living or activities of daily living directly or as an outcome measure or if the interventions focused on real-life aspects not captured in the standardised daily activities. For inclusion, patients needed a diagnosis of dementia or MCI, and Mini-Mental State Examination scores had to be above 17 for mild dementia. Results The majority of interventions indicated improved everyday activity performance in early dementia and MCI. Focusing on individual, as opposed to global, daily activities appeared to be an important determinant of intervention success in mild dementia but not in MCI. However, few attempts had been made to develop interventions grounded in evidence-based models. Conclusions This review highlights the need for further translation of the understanding of cognitive and everyday activity deficits into successful interventions for daily activities in MCI and early dementia. Hence, research is first required to link individual activities with cognitive domains