27 research outputs found

    Congenital Sensorineural Deafness in Australian Stumpy-Tail Cattle Dogs Is an Autosomal Recessive Trait That Maps to CFA10

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    Congenital sensorineural deafness is an inherited condition found in many dog breeds, including Australian Stumpy-tail Cattle Dogs (ASCD). This deafness is evident in young pups and may affect one ear (unilateral) or both ears (bilateral). The genetic locus/loci involved is unknown for all dog breeds. The aims of this study were to determine incidence, inheritance mechanism, and possible association of congenital sensorineural deafness with coat colour in ASCD and to identify the genetic locus underpinning this disease.A total of 315 ASCD were tested for sensorineural deafness using the brain stem auditory evoked response (BAER) test. Disease penetrance was estimated directly, using the ratio of unilaterally to bilaterally deaf dogs, and segregation analysis was performed using Mendel. A complete genome screen was undertaken using 325 microsatellites spread throughout the genome, on a pedigree of 50 BAER tested ASCD in which deafness was segregating. Fifty-six dogs (17.8%) were deaf, with 17 bilaterally and 39 unilaterally deaf. Unilaterally deaf dogs showed no significant left/right bias (p = 0.19) and no significant difference was observed in frequencies between the sexes (p = 0.18). Penetrance of deafness was estimated as 0.72. Testing the association of red/blue coat colour and deafness without accounting for pedigree structure showed that red dogs were 1.8 times more likely to be deaf (p = 0.045). The within family association between red/blue coat colour and deafness was strongly significant (p = 0.00036), with red coat colour segregating more frequently with deafness (COR = 0.48). The relationship between deafness and coat speckling approached significance (p = 0.07), with the lack of statistical significance possibly due to only four families co-segregating for both deafness and speckling. The deafness phenotype was mapped to CFA10 (maximum linkage peak on CFA10 -log10 p-value = 3.64), as was both coat colour and speckling. Fine mapping was then performed on 45 of these 50 dogs and a further 48 dogs (n = 93). Sequencing candidate gene Sox10 in 6 hearing ASCD, 2 unilaterally deaf ASCD and 2 bilaterally deaf ASCD did not reveal any disease-associated mutations.Deafness in ASCD is an incompletely penetrant autosomal recessive inherited disease that maps to CFA10

    Welche Macht darf es denn Sein? Tracing ‘Power’ in German Foreign Policy Discourse

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    The relationship between ‘Germany’ and ‘power’ remains a sensitive issue. While observers tend to agree that Germany has regained the status of the most powerful country in Europe, there is debate whether that is to be welcomed or whether that is a problem. Underpinning this debate are views, both within Germany and amongst its neighbours, regarding the kind of power Germany has, or should (not) have. Against this backdrop, the article reviews the dominant role conceptions used in the expert discourse on German foreign policy since the Cold War that depict Germany as a particular type of ‘power’. Specifically, we sketch the evolution of three prominent conceptions (constrained power, civilian power, hegemonic power) and the recent emergence of a new one (shaping power). The article discusses how these labels have emerged to give meaning to Germany’s position in international relations, points to their normative and political function, and to the limited ability of such role images to tell us much about how Germany actually exercises power

    Anomalies associated with hypodontia of the permanent lateral incisor and second premolar.

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    Apart from the molars the most commonly congenitally absent tooth is the second premolar followed by the permanent lateral incisor. From a total of 5127 patients, congenital absence of the permanent lateral incisor occurred with a frequency of 2.2 per cent and absence of the second premolar with a frequency of 3.4 per cent. In association with hypodontia of these teeth other dental anomalies were observed. Absence of other teeth was observed as the most likely associated dental anomaly. Other anomalies recorded included disturbances in spacing of the dentition, and problems associated with tooth eruption and exfoliation

    Agenesis os the second premolar in males and females: Distribution, number and sites affected

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    One of the most common anomalies of the dentition is congenitally absent second premolars and this form of hypodontia may occur as an isolated trait or in association with a syndrome. Using radiographs and clinical examinations, hypodontia of second premolars was assessed in 176 subjects (80 male and 96 female). Distribution of the hypodontia was assessed according to site and number missing in males and females. No significant differences were observed in males and females with respect to the number of premolars absent, sites affected or symmetry of the agenesis. Agenesis of a single second premolar was the most common form of this hypodontia with absence of three second premolars occurring least frequently

    Interleukin-1 and Interleukin-1 Inhibitor Production by Human Adherent Cells Stimulated with Periodontopathic Bacteria

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    This study examined the effect of the putative periodontopathic bacteria Bacteroides gingivalis and Fusobacterium nucleatum on the production of interleukin-1 (IL-1) and IL-1 inhibitors by human plastic-adherent mononuclear cells from normal donors. Fusobacterium mortiferum was used as a non-oral, non-pathogenic control organism. Unstimulated adherent cells spontaneously secreted an IL-1 inhibitor, whereas stimulation with B. gingivalis induced the synthesis and secretion of IL-1. With both fusobacteria IL-1 was present in the intracellular environment, whereas the predominant secretory product was either IL-1 or an IL-1 inhibitor. These results suggest that bacteria are capable of modulating cytokine production by monocytes and may thereby alter the local immune response

    Critical Approaches to Security in Europe: A Networked Manifesto

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    In the last decade, critical approaches have substantially reshaped the theoretical landscape of security studies in Europe. Yet, despite an impressive body of literature, there remains fundamental disagreement as to what counts as critical in this context. Scholars are still arguing in terms of ‘schools’, while there has been an increasing and sustained cross-fertilization among critical approaches. Finally, the boundaries between critical and traditional approaches to security remain blurred. The aim of this article is therefore to assess the evolution of critical views of approaches to security studies in Europe, discuss their theoretical premises, investigate their intellectual ramifications, and examine how they coalesce around different issues (such as a state of exception). The article then assesses the political implications of critical approaches. This is done mainly by analysing processes by which critical approaches to security percolate through a growing number of subjects (such as development, peace research, risk management). Finally, ethical and research implications are explored
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