1970
DOI: 10.1126/science.170.3954.183
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Aspirin: Intestinal Damage in Rats

Abstract: Lesions induced by aspirin in the small intestine of the rat were visualized after 4 hours by the intravenous administration of a 5 percent solution of pontamine sky blue, 6 BX dye. Dose-response curves in fasted and fed rats indicated that the fed rat was about eight times more susceptible to aspirin-induced intestinal damage than was the fasted rat, while the fasted rat was about 13 times more susceptible to aspirin-induced gastric damage than was the fed rat.

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Cited by 60 publications
(17 citation statements)
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“…Seven hr later the animals were sacrificed by an overdose of ether. Ten min before death, the ani mals (while under ether anesthesia) were injected with I ml of a 5 % solution of pontamine sky blue 6 BX dissolved in saline (adjusted the pH to 7.2 with 0.5 N HCI) i.v., in the femoral vein, according to the method of Brodie, Tate and Hooke (7). After sacrificing the ani mals, the stomach of each was removed, then slightly inflated by injecting 1 % formalin solution through the esophageal junction, and immersed in 1 % formalin solution for 10 min to fix the inner and outer layers of the gastric wall (8).…”
mentioning
confidence: 99%
“…Seven hr later the animals were sacrificed by an overdose of ether. Ten min before death, the ani mals (while under ether anesthesia) were injected with I ml of a 5 % solution of pontamine sky blue 6 BX dissolved in saline (adjusted the pH to 7.2 with 0.5 N HCI) i.v., in the femoral vein, according to the method of Brodie, Tate and Hooke (7). After sacrificing the ani mals, the stomach of each was removed, then slightly inflated by injecting 1 % formalin solution through the esophageal junction, and immersed in 1 % formalin solution for 10 min to fix the inner and outer layers of the gastric wall (8).…”
mentioning
confidence: 99%
“…al. 38 , que demonstraram que ratos em jejum tratados com ácido acetilsalisílico eram 13 vezes mais susceptíveis a danos gástricos que ratos alimentados, quando esses recebiam a mesma dose do medicamento.…”
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“…The results presented here are an attempt to make a quantitative comparison of the effect of aspirin and copper aspirinate on the gastric mucosa of the rat, using a protein-bound dye to highlight lesions (17) and histological examination of the tissue to validate the interpretation of the dye observations. With respect to the copper aspirinate, experiments were included to differentiate between the effects of the complex and its hydrolysis products, aspirin and the copper(I1) ion.…”
mentioning
confidence: 99%