Search results for "WESTERN"
showing 10 items of 1138 documents
Manganese effects on haematopoietic cells and circulating coelomocytes of Asterias rubens (Linnaeus)
2008
Abstract Manganese (Mn) is a naturally abundant metal in marine sediments where it mainly occurs as MnO 2 . During hypoxic conditions it is converted into a bioavailable state, Mn 2+ , and can reach levels that previously have shown effects on immune competent cells of the crustacean, Nephrops norvegicus . Here we investigated if Mn also affects circulating coelomocytes and their renewal in the common sea star, Asterias rubens , when exposed to concentrations of Mn that can be found in nature. When the sea stars were exposed to Mn it accumulated in the coelomic fluid and the number of circulating coelomocytes, in contrast to what was recorded in Nephrops , increased significantly. By using …
Isolation of a hemin and hemoglobin binding outer membrane protein of Vibrio vulnificus biotype 2 (serogroup E)
2006
The eel pathogen Vibrio vulnificus biotype 2 (serogroup E) is able to use hemin (Hm) or hemoglobin (Hb) as the sole iron source for growth in vitro and in vivo. The mechanism of heme-iron acquisition in this bacterium requires a direct interaction through binding sites on the bacterial surface (constitutive outer membrane proteins). Using affinity chromatography techniques, a unique protein of around 36.5 kDa was isolated from cell envelopes of E86 strain regardless of the affinity ligand used, hemoglobin or hemin. This protein was purified from both iron-enriched and iron-restricted grown cells. These results support the hypothesis that in this pathogen Hm- and Hb-iron acquisition is media…
Interaction of wild-type and naturally occurring deleted variants of hepatitis B virus core polypeptides leads to formation of mosaic particles
2000
AbstractThe simultaneous presence of hepatitis B virus (HBV) genomes carrying wild-type (wt) and in-frame deleted variants of the HBV core gene has been identified as a typical feature of HBV-infected renal transplant patients with severe liver disease. To investigate possible interactions of wt and deleted core polypeptides a two-vector Escherichia coli expression system ensuring their concomitant synthesis has been developed. Co-expression of wt and a mutant core lacking 17 amino acid residues (77–93) within the immunodominant region led to the formation of mosaic particles, whereas the mutant alone was incapable of self-assembly.
Overexpression of STAT-1 by adenoviral gene transfer does not inhibit hepatitis B virus replication.
2006
Objectives Interferons are known to inhibit the replication of hepatitis B viruses (HBV) in several animal models in vitro and in vivo as well in humans. The STAT-1 protein plays a central role in the biological activity of both type I and type II interferons. The lack of functional STAT-1 renders cells and organisms susceptible to bacterial and viral infectious agents. We analysed whether the overexpression of STAT-1 protein enhances the biological interferon response and whether it elicits antiviral acitivity against HBV in vitro. Methods To achieve an efficient STAT-1 overexpression in primary liver cells and hepatoma cells, we generated a recombinant, replication-deficient adenovirus ex…
In vitro production of anti-neutrophilocyte-cytoplasm-antibodies (ANCA) by Epstein-Barr virus-transformed B-cell lines in Wegener's granulomatosis.
1991
The frequent detection of anti-neutrophilocyte-cytoplasm-antibodies (ANCA) in patients with Wegener's granulomatosis (WG) led to the supposition that this disease might be of autoimmune nature. For some authors assume that Epstein-Barr virus (EBV) infection of human B-lymphocytes besides polyclonal activation could reveal the cryptic immune status against different autoantigens in patients with autoimmune diseases we investigated EBV-transformed B-lymphocytes from patients with Sjögren's syndrome, mixed connective tissue disease, WG and healthy blood donors. Two stable B-cell lines (Ho3, We1) could be established. Inhibition experiments showed that antibodies produced by transformed B-lymph…
Brevi note ornitologiche dalla Sicilia occidentale
1998
Ornithological short notes from western Sicily (Italy)
Galiana: història d’un falcó
2021
Resum: En 1365 va tenir lloc una disputa davant la cort del governador de Mallorca per la propietat d’un falcó entre els donzells Berenguer de Galiana i Bernat Togores, en la qual es veu involucrat l’ensinistrador d’aus de caça Bernat Llemosí. Els testimonis que foren presentats per aclarir els fets permeten obtenir una informació molt valuosa, i en part inèdita, del que fou la pràctica d’aquesta art venatòria en el context de les illes Balears, i per extensió en l’Occident europeu. En aquest treball proposem una edició completa del document i en fem un estudi exhaustiu.
 Paraules clau: falconeria, Mallorca, governació, caça Abstract: In 1365 a lawsuit between the noblemen Berenguer of…
Measuring the Developmental Function of Peer Review: A Multi-Dimensional, Cross-Disciplinary Analysis of Peer Review Reports from 740 Academic Journa…
2021
Reviewers do not only help editors to screen manuscripts for publication in academic journals; they also serve to increase the rigor and value of manuscripts by constructive feedback. However, measuring this developmental function of peer review is difficult as it requires fine-grained data on reports and journals without any optimal benchmark. To fill this gap, we adapted a recently proposed quality assessment tool and tested it on a sample of 1.3 million reports submitted to 740 Elsevier journals in 2018–2020. Results showed that the developmental standards of peer review are shared across areas of research, yet with remarkable differences. Reports submitted to social science and economic…
India Re-loaded: Vikas Swarup’s Slumdog Millionaire as a Postcolonial Novel
2012
Once “the jewel in the crown” of the British Empire, India for some time ceased to be the focus of interest for the British writers. Largely due to the success of its film version, Vikas Swarup’s Slumdog Millionaire (Black Swan, London, 2005, originally called Q and A) again drew the attention of the Western world to the problems postcolonial India has to face: poverty, crime, sex abuse, exploitation of children, police brutality and many more. In this paper, however, we are not going to compare the two versions of the story, i.e. the novel and the film, but primarily concentrate on the textual commentaries in the context of postcolonial theory and literature. Of particular interest for us …
La poliglòssia en la predicació de Vicent Ferrer
2020
Resum: Un bon nombre dels sermons de Vicent Ferrer ens ha arribat gràcies a les còpies de les reportationes que en feien els estenògrafs que l’acompanyaven en els seus viatges missionals per diversos països de l’Europa occidental (1399-1419). No són, per tant, reproduccions fidels de l’oralitat vicentina, però en reflecteixen els trets bàsics. L’anàlisi crítica d’aquests trets i de les declaracions dels testimonis del procés de canonització de Vicent Ferrer (1453-1454) posen de manifest que el dominic valencià, que en la seua predicació sempre tractà d’aproximar-se lingüísticament als oients, adoptà les parles romànics dels països que va recórrer, ja que sabem que, a més del llatí i de la l…