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Several models of anthrax pathogenesis suggest that early in the infectious process Bacillus anthracis endospores germinate and outgrow into vegetative bacilli within phagocytes before being released into the blood. Here, we define the respective contributions of three phospholipases C (PLCs) to the...
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Calcinosis circumscripta is an uncommon syndrome of ectopic idiopathic, dystrophic, metastatic or iatrogenic mineralization characterized by deposition of calcium salts in soft tissues. This paper is a retrospective study of 77 canine cases. The age of dogs in the study varied from 4 months to 15 ye...
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p-Aminophenol (pAP, 225 mg/kg) administration to rats induced renal failure and has been associated with markers of endoplasmic reticulum (ER) stress, as well as calpain and caspase-12 activation in kidneys. To determine the importance of ER stress and calpain during pAP-induced nephrotoxicity, rats...
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In vitro evidence of the involvement of the endoplasmic reticulum (ER) during drug-induced renal toxicity is accumulating. ER stress and ER-mediated cell death markers have been reported after exposure of renal cells to model toxicants and nephrotoxic drugs in various in vitro models, but in vivo ex...
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Paired samples of formalin-fixed, paraffin-embedded ileum and lymph node from 204 culled dairy cows were investigated for evidence of infection by Mycobacterium avium subsp. paratuberculosis. Of the samples, 151 were from animals that were tissue-culture positive for M. avium subsp. paratuberculosis...
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Wistar, Sprague-Dawley, and Long-Evans outbred rats, and the Fischer344 inbred strain were inoculated intranasally with 10superscript 3 TCID50 of sialodacryoadenitis virus at approximately 9 weeks of age. Paired animals were killed at 2-day intervals after inoculation up to 2 weeks, then at 20 days....
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The prevalence of Mycobacterium avium ssp. paratuberculosis (Mptb) in culled dairy cattle in Eastern Canada and Maine was determined to be 16.1% (95% confidence interval 13.8 to 18.3%) based on a systematic random sample of abattoir cattle. Mesenteric lymph nodes and ileum from 984 cows were examine...
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This report identifies and genotypes the bovine viral diarrhoea virus (BVDV) in up to 20 years old archival formalin fixed paraffin embedded (FFPE) tissues of bovine foetuses and calves. Samples from 6 presumably BVDV aborted foetuses and 3 calves diagnosed with mucosal disease were tested by immu- ...
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A rapid gross visual appraisal of enzootic pneumonia lesions was made of 87 lungs at a local abattoir and the lungs were then set aside and examined in more detail. A sample of pulmonary tissue was taken from each lung and submitted for bacterial and histological examination. The principal investiga...
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A 13-year-old, neutered male domestic cat presented with signs of weight loss, anemia, and hepatomegaly. Pathognomonic signs of porphyria were identified. Charcoal-like renal calculi and severe liver changes were observed, neither of which has been previously reported in association with feline ...
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Five cases of hypoadrenocorticism in young related Nova Scotia duck tolling retrievers are discussed. Two were littermates and the others shared one or more common ancestors. No specific mode of inheritance was determined. Clinical and laboratory findings typical of hypoadrenocorticism were observed...
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Both prokaryotes and eukaryotes express a set of highly conserved proteins in response to external and internal stress. The stressors include tissue trauma, anoxia, heavy metal toxicity, infection, changed salinity, and the most characterized, heat shock. The result is an expression of stress protei...
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