6,041 research outputs found

    The campaign for democratic socialism 1960-1964.

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    PhDIn early 1960 it seemed likely that the official Labour Party defence policy would be defeated by a unilateralist resolution at the Scarborough Conference. In response to this possibility the Campaign for Democratic Socialism, or CDS, was established. The CDS projected the image of a grass-roots movement inspired by Gaitskell's "fight and fight again" speech. But it was run by a Campaign Committee which included leading members of the Party like Tony Crosland, Roy Jenkins and Patrick Gordon Walker, as well as less well known members like Bill Rodgers, Dick Taverne, Philip Williams, Brian Walden, Denis Howell and David Marquand. This highly talented group launched an elaborate and successful lobbying, publicity and briefing operation which was influential in overturning the unilateralist vote at the Blackpool Conference of 1961. After Blackpool the Campaign helped many of its leading members find seats in the House of Commons while continuing to put the "revisionist" case through its newspaper Campaign. The importance of the CDS in the history of the Labour Party is, primarily, as the first internal pressure group organised by the right of the Party. It was also the first internal Party group to use such sophisticated lobbying techniques. Moreover, the subsequent careers of the leading members of the Campaign influenced the development of the Labour Party. The CDS was an important formative political action for many of them. Finally many of the CDS supporters set-up or joined the SDP when it was launched

    Pancreatic islet basement membrane loss and remodeling after mouse islet isolation and transplantation: impact for allograft rejection

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    The isolation of islets by collagenase digestion can cause damage and impact the efficiency of islet engraftment and function. In this study, we assessed the basement membranes (BMs) of mouse pancreatic islets as a molecular biomarker for islet integrity, damage after isolation, and islet repair in vitro as well as in the absence or presence of an immune response after transplantation. Immunofluorescence staining of BM matrix proteins and the endothelial cell marker platelet endothelial cell adhesion molecule-1 (PECAM-1) was performed on pancreatic islets in situ, isolated islets, islets cultured for 4 days, and islet grafts at 3-10 days posttransplantation. Flow cytometry was used to investigate the expression of BM matrix proteins in isolated islet β-cells. The islet BM, consisting of collagen type IV and components of Engelbreth-Holm-Swarm (EHS) tumor laminin 111, laminin α2, nidogen-2, and perlecan in pancreatic islets in situ, was completely lost during islet isolation. It was not reestablished during culture for 4 days. Peri- and intraislet BM restoration was identified after islet isotransplantation and coincided with the migration pattern of PECAM-1+vascular endothelial cells (VECs). After islet allotransplantation, the restoration of VEC-derived peri-islet BMs was initiated but did not lead to the formation of the intraislet vasculature. Instead, an abnormally enlarged peri-islet vasculature developed, coinciding with islet allograft rejection. The islet BM is a sensitive biomarker of islet damage resulting from enzymatic isolation and of islet repair after transplantation. After transplantation, remodeling of both peri- and intraislet BMs restores β-cell-matrix attachment, a recognized requirement for β-cell survival, for isografts but not for allografts. Preventing isolation-induced islet BM damage would be expected to preserve the intrinsic barrier function of islet BMs, thereby influencing both the effector mechanisms required for allograft rejection and the antirejection strategies needed for allograft survival.H. F. Irving-Rodgers, F. J. Choong, K. Hummitzsch, C. R. Parish, R. J. Rodgers and C. J. Simeonovi

    Review of "A Monster with a Thousand Hands: The Discursive Spectator in Early Modern England" by Amy J. Rodgers.

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    Amy J. Rodgers. A Monster with a Thousand Hands: The Discursive Spectator in Early Modern England. Philadelphia: University of Pennsylvania Press, 2018. vii + 231 pp. $69.95. Review by J. P. Conlan, University of Puerto Rico, Rio Piedras Campus

    Morphological classification of bovine ovarian follicles

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    Copyright © 2010 Society for Reproduction and FertilityFollicle classification is an important aid to the understanding of follicular development and atresia. Some bovine primordial follicles have the classical primordial shape, but ellipsoidal shaped follicles with some cuboidal granulosa cells at the poles are far more common. Preantral follicles have one of two basal lamina phenotypes, either a single aligned layer or one with additional layers. In antral follicles 5 mm, only aligned/rounded phenotypes are present. Dominant and subordinate follicles can be identified by ultrasound and/or histological examination of pairs of ovaries. Atretic follicles 5 mm, only antral atresia is observed. The concentrations of follicular fluid steroid hormones can be used to classify atresia and distinguish some of the different types of atresia; however, this method is unlikely to identify follicles early in atresia, and hence misclassify them as healthy. Other biochemical and histological methods can be used, but since cell death is a part of normal homoeostatis, deciding when a follicle has entered atresia remains somewhat subjective.R. J. Rodgers and H. F. Irving-Rodger

    'The fog of propaganda: attempts to influence the reporting of the Arab Spring, and how journalists should see through it'

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    James Rodgers, a former BBC Foreign Correspondent turned “hackademic”, examines governments’ attempts to manage the media. In response, he suggests journalists need to adopt rigorous research and fact-checking, and develop wide networks of sources in order to break through the fog of propaganda

    Extracellular matrix in ovarian follicular development and disease

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    The original publication is available at www.springerlink.comThe ovarian follicle contains several different cell types and separate compartments and undergoes substantial development during its growth and maturation. Extracellular matrix (ECM) could be expected to play a major role in these processes. Most research on ECM in follicles has focused on the follicular basal lamina and its changing composition during folliculogenesis and on the specialised matrix formed at ovulation by the cumulus cells surrounding the oocyte and the zona pellucida. We review these aspects. Few naturally occurring gene mutations have identified unique roles for ECM molecules in follicular function. Presumably, any mutations leading to reduced fertility are eliminated quickly by natural selection and, when mutations are not eliminated, considerable redundancy occurs to ensure successful reproduction. In mice, in which the genome can be easily manipulated, the modification of matrix components associated with cumulus and oocytes has often resulted in partial infertility, suggesting redundancy. We provide an update of basal lamina components focusing on newer discoveries. In addition, we review matrix associated with the occyte and cumulus cells (excluding the zona pellucida) and other components of ECM. Where possible, we examine evidence for the role of the ECM in follicular development and diseases.Helen F. Irving-Rodgers and Raymond J. Rodger

    Formation of the ovarian follicular antrum and follicular fluid

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    The formation of the follicular antrum and follicular fluid has received scant attention from researchers, yet both are important processes in follicular development. The central hypothesis on follicular fluid formation suggests that production by granulosa cells of hyaluronan and the chondroitin sulphate proteoglycan versican generates an osmotic gradient. This gradient draws in fluid derived from the thecal vasculature. Inter-alpha-trypsin inhibitor is also present in follicular fluid at least in species with large follicles, and inter-alpha-trypsin inhibitor and versican could additionally bind or cross-link with hyaluronan, resulting in the retention of these molecules within the follicular antrum. Barriers to the movement of fluid across the membrana granulosa are apparently minimal, as even relatively large serum proteins are present in follicular fluid. Despite the relative permeability of the follicular wall, aquaporins are present in granulosa cells and could be actively involved in the transport of water into the follicle. The formation of an antrum also requires movement of granulosa cells relative to each other to allow the fluid to accumulate. This presumably involves remodeling of cell-cell junctions and in species with small follicles may involve death of centrally located granulose cells. Remodeling of the stroma and thecal layers also accompanies growth and expansion of the antrum and presumably involves similar processes that accompany growth of other glands.Raymond J. Rodgers and Helen F. Irving-Rodger

    Creative work beyond the creative industries: an introduction

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    Creative workers are employed in sectors outside the creative industries often in greater numbers than within the creative field. This is the first book to explore the phenomena of the embedded creative and creative services through a range of sectors, disciplines, and perspectives. Despite the emergence of the creative worker, there is very little known about the work life of these ‘creatives’, and why companies seek to employ them. This book asks: how does creative work actually “embed” into a service or product supply chain? What are creative services? Which industries are they working in? This collection explores these questions in relation to innovation, employment and education, using various methods and theoretical approaches, in order to examine the value of the embedded creative and to discover the implications of education and training for creative workers. This book will be of interest to practitioners, policy makers and industry leaders in the creative industries, in particular digital media, application development, design, journalism, media and communication. It will also appeal to academics and scholars of innovation, cultural studies, business management and labour studies

    Studies of granulosa cell maturation in dominant and subordinate bovine follicles: novel extracellular matrix focimatrix is co-ordinately regulated with cholesterol side-chain cleavage CYP11A1

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    During growth of antral ovarian follicles granulosa cells first become associated with a novel type of extracellular matrix, focimatrix, and at larger sizes follicles become either subordinate or dominant. To examine this, bovine subordinate (9.0+/-S.E.M. 0.4 mm; n=16), partially dominant (12.0+/-0.6 mm; n=18) and fully dominant (15.0+/-0.4 mm; n=14) follicles were examined by real time RT-PCR analyses of granulosa cells and by immunohistochemistry of focimatrix. Changes in the expression of FSH receptor, LH receptor, cholesterol side-chain cleavage (CYP11A1), 3beta-hydroxysteroid dehydrogenase, aromatase (CYP19A1) and inhibin-alpha and beta-B were observed as expected for follicle sizes examined. After adjusting for size differences, only CYP11A1 was significantly different between the groups, and elevated in dominant follicles. Also after adjusting for differences in size there were no significant differences in expression of focimatrix components collagen type IV alpha-1 (COL4A1), laminin beta-2, nidogen 1 (NID1), and perlecan (HSPG2) or the volume density of NID1 and -2 and HSPG2. The volume density of focimatrix components in laminin 111 was significantly elevated in dominant follicles. Adjusting for analysis of more than one follicle per animal and for multiple correlations, CYP11A1 mRNA levels were highly correlated with the focimatrix genes COL4A1, NID1 and -2 and HSPG2. Thus, focimatrix may potentially regulate CYP11A1 expression, and the regulation of both could be important in follicular dominance.H. F. Irving-Rodgers, M. L. Harland, T. R. Sullivan and R. J. Rodger
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