8,237 research outputs found

    Younger Hmong People’s Willingness to Communicate About Depression

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    This research examines the underlying issues about mental illness, particularly depression within the Hmong community. Previous scholars have focused on the Hmong culture’s origins, mental health status of Hmong refugees arriving in the United States, martial roles and mental health on Hmong females, and comparisons of Hmong traditional healing and Westernized medicine. These studies intersect in fields including psychology, medicine and public health, Hmong history, and social work. However, one missing component to this body of scholarship has been communication. Thus, my study focused on younger Hmong people’s willingness to communicate about depression within their families. Specifically, I conducted semi-structured interviews with five Hmong participants (three males, two females) ages 18-35 and conducted a thematic analysis of the data. Findings indicated the importance of maintaining and communicating family identity and barriers preventing Hmong people talking about depression. First, results shows that identity and adherence to family is significant in the Hmong culture, gender expectations and traditions are valued, and younger Hmong people maintain intersectional identities that influence how they choose to talk about depression within their dominant culture. Second, participants identified multiple barriers that prevent Hmong people from openly talking about depression, including its lack of visibility; its connection to spiritual and religious beliefs; and its stigmatization within both Hmong and American culture

    Challenging Official Propaganda? Public Opinion Leaders on Sina Weibo.

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    This article examines the prominence of various user categories as opinion leaders, defined as initiators, agenda setters or disseminators, in 29 corruption cases exposed on SinaWeibo. It finds that ordinary citizens made up the largest category of initiators but that their power of opinion leadership was limited as they had to rely on media organizations to spread news about the cases. News organizations and online media were the main opinion leaders. Government and Party bodies initiated a fair number of cases and, despite not being strong agenda setters or disseminators, were able to dominate public opinion owing to the fact that news organizations and online media mainly published official announcements about the cases. Media organizations also played a secondary role as the voice of the people. While individuals from some other user categories were able to become prominent opinion leaders, news workers are likely to be the most promising user category to challenge official propaganda.Faculty Research Support Scheme of the Faculty of Arts and Social Sciences, the University of Sydney. University of Hong Kong Seed Funding Program for Basic Research and the General Research Fund, Research Grants Council, Hong Kong (Project Code: 17402314)

    The Dynamic Impacts of Employee Job Motivation on Employee Job Performance and Corporate Customer Satisfaction: The Contingent Role of ERP System Implementation

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    Prior research has generally found a significant, positive impact of employees\u27 job motivation on job performance, and which in turn, leads to more satisfied customers. However, little attention is directed towards how implementation of centralized information systems (IS), such as Enterprise Resource Planning (ERP) systems, will affect these relationships in the business to business (B2B) context. Toward this end, we plan to conduct a field study to empirically compare the effects of these relationships before and after the implementation of an ERP system. This cross-disciplinary study will contribute to the extant organization, marketing, and IS literature by examining how a centralized IS implementation moderates the relationships among employees’ job motivation, performance, and corporate customer satisfaction, and testing the proposed framework in the B2B context

    Effects of Some Common Food Constituents on Cardiovascular Disease

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    Cardiovascular diseases are the major cause of morbidity and mortality worldwide, and there is considerable interest in the role of dietary constituents and supplements in the prevention and treatment of these disorders. We reviewed the major publications related to potential effects on cardiovascular risk factors and outcomes of some common dietary constituents: carotenoids, flavonoid-rich cocoa, tea, red wine and grapes, coffee, omega-3 fatty acids, and garlic. Increased intake of some of these has been associated with reduced all-cause mortality or reduced incidence of myocardial infraction, stroke, and hypertension. However, although the evidence from observational studies is supportive of beneficial effects for most of these foodstuffs taken as part of the diet, potential benefits from the use of supplements derived from these natural products remain largely inconclusive

    miR-10a is aberrantly overexpressed in Nucleophosmin1 mutated acute myeloid leukaemia and its suppression induces cell death

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    <p>Abstract</p> <p>Background</p> <p>Acute myeloid leukaemia (AML) with nucleophosmin-1 (<it>NPM1</it>) mutation is a major subtype of AML. The <it>NPM1 </it>mutation induces a myeloproliferative disorder, but evidence indicates that other insults are necessary for the development of AML. We utilised microRNA microarrays and functional assays to determine if microRNA dysregulation could be involved in the pathogenesis of in <it>NPM1 </it>mutated (<it>NPM1<sup>mut</sup></it>)-AML.</p> <p>Results</p> <p>We used a stringent locked nucleic acid (LNA) based microRNA microarray platform to profile bone marrow samples of patients with normal karyotype AML. A panel of five microRNAs dichotomised AML patients according to their <it>NPM1 </it>mutational status. miR-10a, let-7b and let-7c were significantly over-expressed, while miR-130a and miR-335 were under-expressed in <it>NPM1<sup>mut</sup></it>-AML when compared to <it>NPM1<sup>wildtype</sup></it>-AML. Of these, miR-10a is the most differentially expressed in <it>NPM1<sup>mut</sup></it>-AML versus <it>NPM1<sup>wildtype</sup></it>-AML (> 10 fold higher as confirmed by qRT-PCR). To investigate the functions of miR-10a, the OCI-AML3 cell line was utilised, which is the only commercially available cell line bearing <it>NPM1<sup>mut</sup></it>. OCI-AML3 cells were firstly demonstrated to have a similarly high miR-10a expression to primary <it>NPM1<sup>mut</sup></it>-AML patient samples. Inhibition of miR-10a expression by miRCURY LNA Inhibitors (Exiqon) in these cells resulted in increased cell death as assessed by MTS, cell cycle and Annexin-V assays and reduced clonogenic capacity, indicative of an involvement in leukaemic cell survival. <it>In silico </it>filtering of bioinformatically predicted targets of miR-10a identified a number of potential mRNA targets with annotated functions in haematopoiesis, cell growth and apoptosis. Lucferase reporter assays confirmed a number of these putative tumorogenic genes that are miR-10a suppressible including <it>KLF4 </it>and <it>RB1CC1</it>. This provides a potential mechanism for the pathogenic role of miR-10a in <it>NPM1<sup>mut</sup></it>-AML.</p> <p>Conclusions</p> <p>This study provides, for the first time, <it>in vitro </it>evidence of a pro-survival role of miR-10a in <it>NPM1<sup>mut</sup></it>-AML, that it may contribute to the pathogenesis of <it>NPM1<sup>mut</sup></it>-AML and identifies putative tumorogenic targets.</p

    Interplays of psychometric abilities on learning gross anatomy

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    In recent years, there has been international debate concerning how students learn anatomy. The rapid increase in scientific knowledge has put pressure on the place of anatomy within the medical and allied health professional curricula, as well as the design and structure of anatomy courses. In this regard, relatively little is known about what medical and allied health professions students want from an anatomy course or how they learn it. To assess students’ learning approaches and perceptions of anatomy, a series of psychometric tests were administered to Medical (n=82), Podiatry (n=21), and Pharmacy (n=74) students in the United Kingdom. Analysis of the Anatomy Learning Experience (ALE) questionnaire revealed a predominantly positive attitude towards anatomy and the dissection room, with most valuing cadaveric dissection and not regarding it as a daunting environment. Further to this, analysis of the Approaches to Studying Inventory for Students (ASSIST) revealed predominant preferences for strategic and deep approaches. Personality traits were associated with certain learning approaches; neuroticism with surface (p=0.038), conscientiousness with both a deep and strategic approach (p=0.000 and p=0.060 respectively). Certain personality traits were also found to be associated with anatomy experience e.g. neuroticism and achievement striving felt the most effective way to learn was to get their hands in and feel for structures (p=0.044 and p=0.012 respectively). This study concludes that undergraduate students of medicine, podiatry and pharmacy learn anatomy in slightly different ways. Preparation for classroom activities should centre on the promotion of an optimum learning environment and teaching strategies which promote a deep approach to learning. Understanding students’ personality and learning experiences should help teachers improve the students’ learning of anatomy for effective application to clinical practice

    Vps13-like proteins provide phosphatidylethanolamine for GPI anchor synthesis in the ER

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    Glycosylphosphatidylinositol (GPI) is a glycolipid membrane anchor found on surface proteins in all eukaryotes. It is synthesized in the ER membrane. Each GPI anchor requires three molecules of ethanolamine phosphate (P-Etn), which are derived from phosphatidylethanolamine (PE). We found that efficient GPI anchor synthesis in Saccharomyces cerevisiae requires Csf1; cells lacking Csf1 accumulate GPI precursors lacking P-Etn. Structure predictions suggest Csf1 is a tube-forming lipid transport protein like Vps13. Csf1 is found at contact sites between the ER and other organelles. It interacts with the ER protein Mcd4, an enzyme that adds P-Etn to nascent GPI anchors, suggesting Csf1 channels PE to Mcd4 in the ER at contact sites to support GPI anchor biosynthesis. CSF1 has orthologues in Caenorhabditis elegans (lpd-3) and humans (KIAA1109/TWEEK); mutations in KIAA1109 cause the autosomal recessive neurodevelopmental disorder Alkuraya-Kučinskas syndrome. Knockout of lpd-3 and knockdown of KIAA1109 reduced GPI-anchored proteins on the surface of cells, suggesting Csf1 orthologues in human cells support GPI anchor biosynthesis

    Two-soliton solution for the derivative nonlinear Schr\"odinger equation with nonvanishing boundary conditions

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    An explicit two-soliton solution for the derivative nonlinear Schr\"odinger equation with nonvanishing boundary conditions is derived, demonstrating details of interactions between two bright solitons, two dark solitons, as well as one bright soliton and one dark soliton. Shifts of soliton positions due to collisions are analytically obtained, which are irrespective of the bright or dark characters of the participating solitons.Comment: 11 pages, 4 figures. Phys. Lett. A 2006 (in press

    Top and Bottom Seesaw from Supersymmetric Strong Dynamics

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    We propose a top and bottom seesaw model with partial composite top and bottom quarks. Such composite quarks and topcolor gauge bosons are bound states from supersymmetric strong dynamics by Seiberg duality. Supersymmetry breaking also induces the breaking of topcolor into the QCD gauge coupling. The low energy description of our model reduces to a complete non-minimal extension of the top seesaw model with bottom seesaw. The non-minimal nature is crucial for Higgs mixings and the appearance of light Higgs fields. The Higgs fields are bound states of partial composite particles with the lightest one compatible with a 125 GeV Higgs field which was discovered at the LHC.Comment: Minor changes, Published Versio
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