54 research outputs found

    Population change of Missouri towns, 1890-1960

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    Source of the data is the United States census of population."The data reproduced in this listing was compiled for use in Missouri Agricultural Experiment Station Project 306, 'Social and cultural factors and processes associated with social changes occurring in Missouri Trade-Center Communities'"--P. 2.Caption title

    Reasons and philosophies for living in the country

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    Includes bibliographical references (pages 26-27)

    Ministers in rural churches of Missouri

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    Cover title.Digitized 2007 AES MoU.Includes bibliographical references

    A Comparison of rural churches and ministers in Missouri over a 15 year period

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    Cover title.Digitized 2007 AES MoU.Includes bibliographical references (page 26)

    Akt substrate TBC1D1 regulates GLUT1 expression through the mTOR pathway in 3T3-L1 adipocytes

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    Multiple studies have suggested that the protein kinase Akt/PKB (protein kinase B) is required for insulin-stimulated glucose transport in skeletal muscle and adipose cells. In an attempt to understand links between Akt activation and glucose transport regulation, we applied mass spectrometry-based proteomics and bioinformatics approaches to identify potential Akt substrates containing the phospho-Akt substrate motif RXRXXpS/T. The present study describes the identification of the Rab GAP (GTPase-activating protein)-domain containing protein TBC1D1 [TBC (Tre-2/Bub2/Cdc16) domain family, member 1], which is closely related to TBC1D4 [TBC domain family, member 4, also denoted AS160 (Akt substrate of 160 kDa)], as an Akt substrate that is phosphorylated at Thr(590). RNAi (RNA interference)-mediated silencing of TBC1D1 elevated basal deoxyglucose uptake by approx. 61% in 3T3-L1 mouse embryo adipocytes, while the suppression of TBC1D4 and RapGAP220 under the same conditions had little effect on basal and insulin-stimulated deoxyglucose uptake. Silencing of TBC1D1 strongly increased expression of the GLUT1 glucose transporter but not GLUT4 in cultured adipocytes, whereas the decrease in TBC1D4 had no effect. Remarkably, loss of TBC1D1 in 3T3-L1 adipocytes activated the mTOR (mammalian target of rapamycin)-p70 S6 protein kinase pathway, and the increase in GLUT1 expression in the cells treated with TBC1D1 siRNA (small interfering RNA) was blocked by the mTOR inhibitor rapamycin. Furthermore, overexpression of the mutant TBC1D1-T590A, lacking the putative Akt/PKB phosphorylation site, inhibited insulin stimulation of p70 S6 kinase phosphorylation at Thr(389), a phosphorylation induced by mTOR. Taken together, our data suggest that TBC1D1 may be involved in controlling GLUT1 glucose transporter expression through the mTOR-p70 S6 kinase pathway

    RNA polymerase mapping during stress responses reveals widespread nonproductive transcription in yeast

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    BACKGROUND: The use of genome-wide RNA abundance profiling by microarrays and deep sequencing has spurred a revolution in our understanding of transcriptional control. However, changes in mRNA abundance reflect the combined effect of changes in RNA production, processing, and degradation, and thus, mRNA levels provide an occluded view of transcriptional regulation. RESULTS: To partially disentangle these issues, we carry out genome-wide RNA polymerase II (PolII) localization profiling in budding yeast in two different stress response time courses. While mRNA changes largely reflect changes in transcription, there remains a great deal of variation in mRNA levels that is not accounted for by changes in PolII abundance. We find that genes exhibiting \u27excess\u27 mRNA produced per PolII are enriched for those with overlapping cryptic transcripts, indicating a pervasive role for nonproductive or regulatory transcription in control of gene expression. Finally, we characterize changes in PolII localization when PolII is genetically inactivated using the rpb1-1 temperature-sensitive mutation. We find that PolII is lost from chromatin after roughly an hour at the restrictive temperature, and that there is a great deal of variability in the rate of PolII loss at different loci. CONCLUSIONS: Together, these results provide a global perspective on the relationship between PolII and mRNA production in budding yeast

    SecHealth: enhancing EHR security in digital health transformation.

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    In the contemporary wave of digital transformation, the implementation of electronic health records (EHRs) has become a pivotal undertaking for numerous nations. However, amidst this technological advancement, a critical facet deserving heightened attention is the security and privacy of these electronic health systems. Regrettably, this crucial concern often finds itself eclipsed by other aspects of digitalization. Consequently, these oversight lapses create vulnerabilities within the EHR framework, leaving them open and exposed to an array of malicious cyber intrusions. In response to this pressing issue, our study delves into a comprehensive evaluation of security measures within the ambit of African digital health strategies. Remarkably, among the number of approximately 42 nations that have embarked on digital health strategy formulation, a mere 2 countries have taken cognizance of the imperative to integrate robust security and privacy policies into their healthcare-oriented digital transformation initiatives. In light of this disconcerting revelation, we present an actionable roadmap that endeavours to fortify EHR security, aligning with the progressive "shift-left" paradigm. By advocating for the proactive integration of security measures from the inception of EHR development, we strive to curtail vulnerabilities and enhance the overall resilience of these systems. Our proposed roadmap stands as a clarion call for governments, healthcare authorities, and technology stakeholders to collectively prioritize security in tandem with digital health advancement, thereby fostering a safeguarded and privacy-respecting electronic healthcare landscape

    Retrospective evaluation of whole exome and genome mutation calls in 746 cancer samples

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    Funder: NCI U24CA211006Abstract: The Cancer Genome Atlas (TCGA) and International Cancer Genome Consortium (ICGC) curated consensus somatic mutation calls using whole exome sequencing (WES) and whole genome sequencing (WGS), respectively. Here, as part of the ICGC/TCGA Pan-Cancer Analysis of Whole Genomes (PCAWG) Consortium, which aggregated whole genome sequencing data from 2,658 cancers across 38 tumour types, we compare WES and WGS side-by-side from 746 TCGA samples, finding that ~80% of mutations overlap in covered exonic regions. We estimate that low variant allele fraction (VAF < 15%) and clonal heterogeneity contribute up to 68% of private WGS mutations and 71% of private WES mutations. We observe that ~30% of private WGS mutations trace to mutations identified by a single variant caller in WES consensus efforts. WGS captures both ~50% more variation in exonic regions and un-observed mutations in loci with variable GC-content. Together, our analysis highlights technological divergences between two reproducible somatic variant detection efforts

    The church in rural Missouri, Part 4. Index of religious group action

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    Part IV of this report is based upon an unpublished Ph. D. dissertation by John S Holik ... University of Missouri, Columbia, Missouri, 1956--Page [247]."January 1959.

    Distinct polyphosphoinositide binding selectivities for pleckstrin homology domains of GRP1-like proteins based on diglycine versus triglycine motifs

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    GRP1 and the related proteins ARNO and cytohesin-1 are ARF exchange factors that contain a pleckstrin homology (PH) domain thought to target these proteins to cell membranes through binding polyphosphoinositides. Here we show the PH domains of all three proteins exhibit relatively high affinity for dioctanoyl phosphatidylinositol 3,4,5-triphosphate (PtdIns(3,4,5)P(3)), with K(D) values of 0.05, 1.6 and 1.0 micrometer for GRP1, ARNO, and cytohesin-1, respectively. However, the GRP1 PH domain was unique among these proteins in its striking selectivity for PtdIns(3,4, 5)P(3) versus phosphatidylinositol 4,5-diphosphate (PtdIns(4,5)P(2)), for which it exhibits about 650-fold lower apparent affinity. Addition of a glycine to the Gly(274)-Gly(275) motif in GRP1 greatly increased its binding affinity for PtdIns(4,5)P(2) with little effect on its binding to PtdIns(3,4,5)P(3), while deletion of a single glycine in the corresponding triglycine motif of the ARNO PH domain markedly reduced its binding affinity for PtdIns(4,5)P(2) but not for PtdIns(3,4,5)P(3). In intact cells, the hemagglutinin epitope-tagged PH domain of GRP1 was recruited to ruffles in the cell surface in response to insulin, as were full-length GRP1 and cytohesin-1, but the PH domain of cytohesin-1 was not. These data indicate that the unique diglycine motif in the GRP1 PH domain, as opposed to the triglycine in ARNO and cytohesin-1, directs its remarkable PtdIns(3,4,5)P(3) binding selectivity
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