11 research outputs found

    ‘Thomson time’

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    Which way now? : tradition, continuity and change in a North Queensland Aboriginal community

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    Land and Resource planning under Native Title : towards an initial model. by Marcus B. Lane, A. Lex Brown and Athol Chase

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    This article proposes a model for the development of land management and land use plans under native title

    Nationhood and Transborder Labor Migrations: The Late Twentieth Century from a Late Nineteenth-Century Perspective

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    This paper seeks to provide a perspective on contemporary Philippine labor migrations by viewing this phenomenon in light of analogous transborder movements of workers in the late nineteenth and early twentieth centuries. Based on information about so-called Manilla men in Australia and British Malaya, the paper discusses living and working conditions of migrant workers in the earlier period. The paper takes up the broader context of indentured work in the nineteenth century and the reaction by such countries of origin as China and Japan to interrogate the pervasive sense of shame and victimization felt in present-day Philippines arising from the export of labor. The broad parameters of the Philippine national narrative are explored in view of the continuities and changes in the relationship between national identity and long-distance movements of workers

    Proteomic analysis of Kveim reagent identifies targets of cellular immunity in sarcoidosis

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    Background: Kveim-reagent (Kv) skin testing was a historical method of diagnosing sarcoidosis. Intradermal injection of treated sarcoidosis spleen tissue resulted in a granuloma response at injection site by 4–6 weeks. Previous work indicates proteins as the possible trigger of this reaction. We aimed to identify Kv-specific proteins and characterise the ex vivo response of Peripheral Blood Mononuclear Cells (PBMCs) from sarcoidosis, tuberculosis and healthy control patients when stimulated with both Kv and selected Kv-specific proteins. Methods: Kv extracts were separated by 1D-SDS-PAGE and 2D-DIGE and then underwent mass spectrometric analysis for protein identification. Sarcoidosis and control PBMCs were first stimulated with Kv and then with three selected recombinant protein candidates which were identified from the proteomic analysis. PBMC secreted cytokines were subsequently measured by Multiplex Cytokine Assay. Results: We observed significantly increased IFN-γ and TNF-α secretion from Kv-stimulated PBMCs of sarcoidosis patients vs. PBMCs from healthy volunteers (IFN-γ: 207.2 pg/mL vs. 3.86 pg/mL, p = 0.0018; TNF-α: 2375 pg/mL vs. 42.82 pg/mL, p = 0.0003). Through proteomic approaches we then identified 74 sarcoidosis tissue-specific proteins. Of these, 3 proteins (vimentin, tubulin and alpha-actinin-4) were identified using both 1D-SDS-PAGE and 2D-DIGE. Data are available via ProteomeXchange with identifier PXD005150. Increased cytokine secretion was subsequently observed with vimentin stimulation of sarcoidosis PBMCs vs. tuberculosis PBMCs (IFN-γ: 396.6 pg/mL vs 0.1 pg/mL, p = 0.0009; TNF-α: 1139 pg/mL vs 0.1 pg/mL, p<0.0001). This finding was also observed in vimentin stimulation of sarcoidosis PBMCs compared to PBMCs from healthy controls (IFN-γ: 396.6 pg/mL vs. 0.1 pg/mL, p = 0.014; TNF-α: 1139 pg/mL vs 42.29 pg/mL, p = 0.027). No difference was found in cytokine secretion between sarcoidosis and control PBMCs when stimulated with either tubulin or alpha-actinin-4. Conclusions: Stimulation with both Kveim reagent and vimentin induces a specific pro-inflammatory cytokine secretion from sarcoidosis PBMCs. Further investigation of cellular immune responses to Kveim-specific proteins may identify novel biomarkers to assist the diagnosis of sarcoidosis
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