89 research outputs found
History of District Twenty-one, United Mine Workers of America
The purpose of this work is to discuss the rise and decline of District Twenty-one of the United Mine Workers of America. The district became a major force in Oklahoma after successfully gaining recognition by the mine owners of Oklahoma, Arkansas, and Texas in 1903. Its greatest moment came in the Oklahoma constitutional convention of 1907 where Pete Hanraty of the miners served as vice-president. For two decades, the union was a major factor in the Oklahoma Federation of Labor and helped to gain significant benefits for the working men and women of the state. In the 1920s, the miners' organization began the long period of decline in which the lessening demand for coal and internal and external problems resulted in the loss of the district's autonomy in 1929. After that year, the district became dependent for its survival on the strength of the national organization. The history of District Twenty-one is important because the union was so influential in the early development of the state and because it reflects national trends in the United Mine Workers of America. This work will illustrate how the miners, economically strong and supported by Oklahomans, created a state which reflected their interests, and how economic, political, and social changes promoted that union's collapse.Histor
Grassland birds
The South Carolina Department of Natural Resources published guides to many threatened animals living in the state. This guide gives information about grassland birds, including description, status, habitat, conservation challenges & recommendations, and measures of success
Magnetic resonance elastography (MRE) of the human brain: technique, findings and clinical applications
Neurological disorders are one of the most important public health concerns in developed countries. Established brain imaging techniques such as magnetic resonance imaging (MRI) and x-ray computerised tomography (CT) have been essential in the identification and diagnosis of a wide range of disorders, although usually are insufficient in sensitivity for detecting subtle pathological alterations to the brain prior to the onset of clinical symptoms—at a time when prognosis for treatment is more favourable. The mechanical properties of biological tissue provide information related to the strength and integrity of the cellular microstructure. In recent years, mechanical properties of the brain have been visualised and measured non-invasively with magnetic resonance elastography (MRE), a particularly sensitive medical imaging technique that may increase the potential for early diagnosis. This review begins with an introduction to the various methods used for the acquisition and analysis of MRE data. A systematic literature search is then conducted to identify studies that have specifically utilised MRE to investigate the human brain. Through the conversion of MRE-derived measurements to shear stiffness (kPa) and, where possible, the loss tangent (rad), a summary of results for global brain tissue and grey and white matter across studies is provided for healthy participants, as potential baseline values to be used in future clinical investigations. In addition, the extent to which MRE has revealed significant alterations to the brain in patients with neurological disorders is assessed and discussed in terms of known pathophysiology. The review concludes by predicting the trends for future MRE research and applications in neuroscience
Serotonergic antidepressant effects on aggressive, self-injurious and destructive/disruptive behaviours in intellectually disabled adults: a retrospective, open-label, naturalistic trial
There is a growing body of evidence that serotonergic antidepressants are useful in the treatment of maladaptive behaviours in the intellectually disabled. However, not all studies have shown positive results due to lack of efficacy, tolerance development, and troublesome side-effects. The current study consisted of a review of the treatment response to a variety of serotonergic antidepressants, consisting of selective serotonin reuptake inhibitors (SSRIs )
Targeted Long-Read Bisulfite Sequencing Identifies Differences in the TERT Promoter Methylation Profiles between TERT Wild-Type and TERT Mutant Cancer Cells
Background: TERT promoter methylation, located several hundred base pairs upstream of the transcriptional start site, is cancer specific and correlates with increased TERT mRNA expression and poorer patient outcome. Promoter methylation, however, is not mutually exclusive to TERT activating genetic alterations, as predicted for functionally redundant mechanisms. To annotate the altered patterns of TERT promoter methylation and their relationship with gene expression, we applied a Pacific Biosciences-based, long-read, bisulfite-sequencing technology and compared the differences in the methylation marks between wild-type and mutant cancers in an allele-specific manner. Results: We cataloged TERT genetic alterations (i.e., promoter point mutations or structural variations), allele-specific promoter methylation patterns, and allele-specific expression levels in a cohort of 54 cancer cell lines. In heterozygous mutant cell lines, the mutant alleles were significantly less methylated than their silent, mutation-free alleles (p < 0.05). In wild-type cell lines, by contrast, both epialleles were equally methylated to high levels at the TERT distal promoter, but differentially methylated in the proximal regions. ChIP analysis showed that epialleles with the hypomethylated proximal and core promoter were enriched in the active histone mark H3K4me2/3, whereas epialleles that were methylated in those regions were enriched in the repressive histone mark H3K27me3. Decitabine therapy induced biallelic expression in the wild-type cancer cells, whereas the mutant cell lines were unaffected. Conclusions: Long-read bisulfite sequencing analysis revealed differences in the methylation profiles and responses to demethylating agents between TERT wild-type and genetically altered cancer cell lines. The causal relation between TERT promoter methylation and gene expression remains to be established
Concert recording 2017-11-15
[Track 1]. Fanfare for barcs / Kerry Turner -- [Track 2]. Three for five / James Naigus -- [Track 3]. Big sky country / Daniel Baldwin
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