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- W767756093 abstract "Numerous researchers have studied the relationship between colic and laminitis manifestation. Some studies with experimentally induced laminitis demonstrated involvement of the inflammatory response in the development of the disease. Therefore, the aim of this study was to investigate systemic and local inflammatory response, in intestines and hoof dermal and epidermal tissues, as well as to determine clinical and laboratory changes after intraluminal obstruction in small colon. For this purpose, eight healthy adult horses were submitted to a celiotomy to induce intraluminal distension of the small colon simulating acute abdomen by enterolith. Hoof and small colon biopsies were made at this time, and samples of blood and peritoneal fluid were collected. After four hours of intraluminal obstruction, the ball was deflated and new biopsies of hoof and small colon collected and blood and peritoneal fluid sampled. During the postoperative, animals were monitored by physical examinations every 12 hours. After 72 hours of ball removal, the last biopsies of hoof, colon, blood and peritoneal fluid were collected. The samples of blood and peritoneal fluid were used for hematological evaluation, for determining gene expression of IL1 , IL-6, IL-8, IL-10 and TNFby real-time PCR and to quantify IL-1 , IL6 and TNFby sandwich ELISA. Tissues obtained from biopsies were processed for histological evaluation and determination of IL-1 , IL-6, IL-8, IL10 and TNFby real time PCR. The values obtained in hematological evaluation differ (p<0.05) from baseline, especially four hours after obstruction (M4) and after 12 hours of postoperative (M12). Cytokines concentrations in peritoneal fluid increased in M4, returned to baseline within M72 and remained unchanged in serum samples. Regarding gene expression in blood, there was no significant difference. In peritoneal fluid, all cytokines differed from baseline. Concerning the colon, the TNFdiffered in oral and aboral segments. In the hoof, only TNFwas significant, increasing in M72. Histopathological changes were observed in hoof and colon. These changes were more evident in the segment where the balloon was located during obstruction. The changes found in the hoof dermal and epidermal laminae were described as early changes of laminitis, but no clinical signs were observed during the experimental period." @default.
- W767756093 created "2016-06-24" @default.
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- W767756093 date "2014-03-17" @default.
- W767756093 modified "2023-09-23" @default.
- W767756093 title "RESPOSTAS INFLAMATÓRIAS SISTÊMICA, DO CASCO E DO CÓLON MENOR SUBMETIDO À DISTENSÃO EM EQUINOS" @default.
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