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Aortic body tumors in dogs from Northern Paraná, Brazil Ciência Rural
Headley,Selwyn Arlington; Bracarense,Ana Paula; Nakagawa,Tizianne; Moreno,Kleber; Pereira,Patrícia Mendes; Reis,Antônio Carlos Faria dos.
This article describes the occurrence of aortic body tumors in four dogs from Southern Brazil. All dogs were males, more than 9 year of age; most of these were from the Boxer breed of dogs. The animals had large neoplastic growths at the base of the heart, which demonstrated histologic characteristics consistent with that of aortic body tumor. By immunohistochemistry, tissue sections from all dogs reacted positively to neuron specific enolase. These cases might represent the first description of this tumor in dogs from Brazil, as confirmed by immunohistochemistry.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dog; Heart; Aortic body tumor; Immunohistochemistry; Neuron specific enolase.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782009000600045
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Immunohistochemical investigation of neuronal injury in cerebral cortex of cobra-envenomed rats J. Venom. Anim. Toxins incl. Trop. Dis.
Rahmy,T.R.; Hassona,I.A..
The immunohistochemical expression of neuron-specific enolase, NSE (a cytoplasmic glycolytic enzyme of the neurons), synaptophysin, SYN (a major membrane glycoprotein of synaptic vesicles), and Bcl-2 (anti-apoptotic protein) were determined in cerebral cortex of rats envenomed with neurotoxic venom from Egyptian cobra. Male rats were intramuscularly (IM) injected with a single injection of either physiological saline solution or ½ LD50 or LD50 of cobra venom and sacrificed 24, 48, or 72 hr after envenoming. Formalin-fixed paraffin sections were immunohistochemically studied by avidin-biotin-peroxidase complex method. Neuron histological structure and isolation of genomic DNA were also detected. The results showed a dose and time-dependent increase in NSE...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Immunohistochemistry; Neuron specific enolase; Synaptophysin; Bcl-2; Cerebral cortex; Cobra snake venom.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992004000100005
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