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Effect of T-2 toxin on regional blood flow and vascular resistance in the conscious rat

Please always quote using this URN: urn:nbn:de:bvb:20-opus-63293
  • The acute effect ofT-2 toxemia on local blood flow and vascular resistance in hindquarter. mesenteric. and renal vascular beds was continuously measured by the directional pulsed Doppler technique in conscious, male Sprague-Dawley rats. Intravenous injection ofT-2 toxin (I mg/kg) in the conscious rat reduced blood flow and increased vascular resistance in all blood vessels studied but had no significant effect on mean arterial pressure or heart rate. The blood flow in hindquarters gradually decreased to a minimum of -77 ± 9% (mean ±SE) 6 hrThe acute effect ofT-2 toxemia on local blood flow and vascular resistance in hindquarter. mesenteric. and renal vascular beds was continuously measured by the directional pulsed Doppler technique in conscious, male Sprague-Dawley rats. Intravenous injection ofT-2 toxin (I mg/kg) in the conscious rat reduced blood flow and increased vascular resistance in all blood vessels studied but had no significant effect on mean arterial pressure or heart rate. The blood flow in hindquarters gradually decreased to a minimum of -77 ± 9% (mean ±SE) 6 hr after the toxin injection. The hindquarter vascular resistance concomitantly increased to a maximum value of + 323 ± 69% above thc resistance before toxin administration. Mesenteric and renal blood flow initially increased (slightly) and then gradually decreased. The maximum drop of blood flow, -90 ± 13% and -76 ± 13% for the mesenteric and renal vascular beds, respectively, was achieved 4 hr after T-2 toxin injection and the blood flow values remained low for up to 6 hr. Simultaneously with the impairment ofshow moreshow less

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Metadaten
Author: Anna-Leena Sirén, G. Feuerstein
URN:urn:nbn:de:bvb:20-opus-63293
Document Type:Journal article
Faculties:Medizinische Fakultät / Neurochirurgische Klinik und Poliklinik
Language:English
Year of Completion:1986
Source:In: Toxicology and applied pharmacology (1986) 83, 438-444.
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 61 Medizin und Gesundheit / 610 Medizin und Gesundheit
GND Keyword:Neurobiologie
Release Date:2012/08/09
Licence (German):License LogoDeutsches Urheberrecht