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Woolley KL Kelly RF Fazakerley J Williams NJ Nuttall TJ McEwan NA 《Veterinary dermatology》2008,19(1):1-6
It is apparent that in-contact humans and animals exchange commensal staphylococci. Previous in vitro studies, however, indicate that staphylococci preferentially adhere to corneocytes from host species. This study compared adherence of meticillin-sensitive and -resistant Staphylococcus aureus (MSSA/MRSA), S. intermedius, S. felis and S. hominis to feline, canine and human corneocytes acquired from 10 healthy subjects using adhesive tape discs. Adherent bacteria were counted using an image processing and analysis programme. Mean adherence of MSSA (P = 0.0009), MRSA (P = 0.0162) and S. intermedius (P = 0.0117), but not S. felis or S. hominis, to feline corneocytes was significantly lower than that to canine and human corneocytes. All the isolates had similar adherence to both human and canine corneocytes. S. felis was the most adherent species to feline corneocytes followed by S. intermedius, and then MSSA, MRSA and S. hominis. For dogs and humans, S. intermedius and S. felis were the most adherent, followed by MRSA and MSSA, and then S. hominis. These results do not reveal any preferential adherence of staphylococci to canine or human corneocytes. Poor adherence to feline corneocytes could suggest that cats are relatively resistant to pyoderma and cross-species transmission of staphylococci. 相似文献
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Dry pet food is a potential source of exposure to house dust and storage mite allergens in canine atopic dermatitis. This study evaluated contamination of house dust and dry dog food stored in paper bags, sealable plastic bags and sealable plastic boxes in 10 households for 90 days using Acarex® tests for guanine, a Der p 1 ELISA and mite flotation. Acarex® tests were negative in all the food samples but positive in all the house dust samples. The Der p 1 levels and mite numbers significantly increased in food from paper bags (P = 0.0073 and P = 0.02, respectively), but not plastic bags or boxes. Mite numbers and Der p 1 levels were 10–1000 times higher in house dust than the corresponding food samples (P < 0.0001). There were significant correlations between Der p 1 in house dust and food from the paper (P < 0.0001) and plastic bags (P = 0.003), and mite numbers in house dust and food from the paper bags (P = 0.0007). Bedding and carpets were significantly associated with Der p 1 levels in house dust (P = 0.015 and P = 0.01, respectively), and food from the paper (both P = 0.02) and plastic bags (P = 0.03 and P = 0.04, respectively). Mites were identified in six of 10 paper bag, three of 10 plastic bag, one of 10 plastic box and nine of 10 house dust samples. These comprised Dermatophagoides (54%), Tyrophagus (10%; all from food) and unidentified mites (36%). Storage of food in sealable plastic boxes largely prevented contamination for 3 months. Exposure to mites and mite proteins in all the stored food, however, appeared to be trivial compared with house dust. 相似文献
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J. M. Ndung'u N. A. McEwan F. W. Jennings† Max Murray 《The Journal of small animal practice》1991,32(11):579-584
Intravenous infection of dogs with Trypanosoma brucei resulted in an acute disease syndrome, characterised by fever, intense parasitaemia, severe anaemia and rapid weight loss. During the course of infection, evidence of severe cardiac abnormalities developed. Tachycardia and tachypnoea occurred soon after detection of parasitaemia, around day 6, progressing to severe bradycardia and dyspnoea in terminal stages of the disease in week 4. Murmurs of mitral and tricuspid incompetence were heard from day 12 by auscultation of the thoracic cavity. Electrocardiography revealed abnormalities in generation and conduction of electrical impulses, including sinus arrest and atrioventricular blocks, and accumulation of pericardial effusion in terminal stages. Effective treatment with the trypanocidal drug suramin resulted in rapid improvement of one of the dogs. When treatment was unsuccessful, however, chronic myocardial damage developed, with intramyocardial conduction defects, including S-T segment and T wave changes, and ventricular escape beats. These abnormalities were similar to those reported for human African trypanosomiasis. 相似文献
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In this paper a simple adhesion assay suitable for the assessment of bacterial adhesion to both canine and feline corneocytes is described. Using this assay Staphylococcus intermedius, Staphylococcus aureus and Staphylococcus chromogenes were shown to adhere well to both canine and feline corneocytes. The numbers of adherent bacteria were, however, generally lower for feline corneocytes. Both Staphylococcus hominis and a Micrococcus species adhered poorly to canine and feline corneocytes. This is the first report documenting bacterial adhesion to feline corneocytes. 相似文献
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J. Häggström A. Boswood M. O'Grady O. Jöns S. Smith S. Swift M. Borgarelli B. Gavaghan J.‐G. Kresken M. Patteson B. Åblad C.M. Bussadori T. Glaus A. Kovačević M. Rapp R.A. Santilli A. Tidholm A. Eriksson M.C. Belanger M. Deinert C.J.L. Little C. Kvart A. French M. Rønn‐Landbo G. Wess A. Eggertsdottir M. Lynne O'Sullivan M. Schneider C.W. Lombard J. Dukes‐McEwan R. Willis A. Louvet R. DiFruscia 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2013,27(6):1441-1451
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