933 resultados para Arnold, David
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Jacob Jacobsen
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Max Grunwald
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Oswald Lassally
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David Friedländer
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Schönfeld
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David Sinsheim
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The Character of Christian-Muslim Encounter is a Festschrift in honour of David Thomas, Professor of Christianity and Islam, and Nadir Dinshaw Professor of Inter Religious Relations, at the University of Birmingham, UK. The Editors have put together a collection of over 30 contributions from colleagues of Professor Thomas that commences with a biographical sketch and representative tribute provided by a former doctoral student, and comprises a series of wide-ranging academic papers arranged to broadly reflect three dimensions of David Thomas’ academic and professional work – studies in and of Islam; Christian-Muslim relations; the Church and interreligious engagement. These are set in the context of a focussed theme – the character of Christian-Muslim encounters – and cast within a broad chronological framework.
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L. Horwitz
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A. L.
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The naphthoquinone buparvaquone is currently the only drug used against theileriosis. Here, the effects of buparvaquone were investigated in vitro and in an experimental mouse model for Neospora caninum infection. In 4-day proliferation assays, buparvaquone efficiently inhibited N. caninum tachyzoite replication (IC50 = 4.9 nM; IC100 = 100 nM). However, in the long term tachyzoites adapted and resumed proliferation in the presence of 100 nM buparvaquone after 20 days of cultivation. Parasiticidal activity was noted after 9 days of culture in 0.5 µM or 6 days in 1 µM buparvaquone. TEM of N. caninum infected fibroblasts treated with 1 µM buparvaquone showed that the drug acted rather slowly, and ultrastructural changes were evident only after 3-5 days of treatment, including severe alterations in the parasite cytoplasm, changes in the composition of the parasitophorous vacuole matrix and a diminished integrity of the vacuole membrane. Treatment of N. caninum infected mice with buparvaquone (100 mg/kg) either by intraperitoneal injection or gavage prevented neosporosis symptoms in 4 out of 6 mice in the intraperitoneally treated group, and in 6 out of 7 mice in the group receiving oral treatment. In the corresponding controls, all 6 mice injected intraperitoneally with corn oil alone died of acute neosporosis, and 4 out of 6 mice died in the orally treated control group. Assessment of infection intensities in the treatment groups showed that, compared to the drug treated groups, the controls showed a significantly higher parasite load in the lungs while cerebral parasite load was higher in the buparvaquone-treated groups. Thus, although buparvaquone did not eliminate the parasites infecting the CNS, the drug represents an interesting lead with the potential to eliminate, or at least diminish, fetal infection during pregnancy.
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C. G.