Results 351 to 360 of about 441,888 (380)
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Spontaneous brain tumours in Sprague-Dawley rats
Food and Chemical Toxicology, 1986Data were collected over a 5-yr period on brain tumours occurring spontaneously among Sprague-Dawley-derived rats in the HRC laboratories. Gliomas, like meningiomas, tended to occur more among males than in females, and in general appeared to be lesions of older rats. Astrocytic tumours of rats were less differentiated than those in man.
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Disposition of butadiene epoxides in Sprague-Dawley rats
Chemico-Biological Interactions, 19971,2-Epoxybutene (BMO) and diepoxybutane (BDE) are metabolic products of 1,3-butadiene in rodents. Both BMO and BDE are suspect in the development of tumors in rats and mice. To understand the distribution and elimination of these compounds in the absence of the rate-limiting production from butadiene, the pharmacokinetics of BMO and BDE in blood were ...
Lisa M. Sweeney +7 more
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Carcinogenic Effects of Diisopropanolnitrosamine in Sprague-Dawley Rats
JNCI: Journal of the National Cancer Institute, 1977The carcinogenic effects of diisopropanolinitrosamine (DIPN) were tested in Sprague-Dawley rats and were then compared with results produced earlier by the same substance in Syrian hamsters. In addition to the similarities, several differences were noted; for example, DIPN caused pancreatic tumors in all the hamsters, but only 1 pancreatic tumor was ...
Parviz M. Pour, Gerd Reznik, Ulrich Mohr
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Spontaneous endocrine tumors in Sprague-Dawley rats
Journal of Cancer Research and Clinical Oncology, 1979Spontaneous endocrine tumors were found in 81 of 100 Sprague-Dawley rats (42 males and 39 females) which survived for more than 2 years. Most of these tumors were medullary carcinomas of the thyroid, followed by tumors of the anterior pituitary gland, pheochromocytomas and cortical adenomas of the adrenal gland, and islet cell tumors of the pancreas ...
G. Kimmerle, Ulrich Mohr, H. Suzuki
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Molecular Nutrition & Food Research, 2013
SCOPE Pterostilbene (trans-3,5-dimethoxy-4'-hydroxystilbene, PTS) possesses various health-promoting effects. This study aimed to investigate the impacts of aqueous solubility, fasting, dose escalation, and dosing route on its bioavailability in Sprague ...
S. C. M. Yeo, P. Ho, Hai‐Shu Lin
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SCOPE Pterostilbene (trans-3,5-dimethoxy-4'-hydroxystilbene, PTS) possesses various health-promoting effects. This study aimed to investigate the impacts of aqueous solubility, fasting, dose escalation, and dosing route on its bioavailability in Sprague ...
S. C. M. Yeo, P. Ho, Hai‐Shu Lin
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Immunolocalization of Ghrelin in the Stomach of Sprague‐Dawley Rat
Anatomia, Histologia, Embryologia, 2010With 3 figures and 1 tableSummaryTo investigate the distribution of ghrelin in different regions of stomach in Sprague‐Dawley rat, and attempt to compare with those of humans and other mammalian species in this study, the stomach of rats was divided into five sections, cardia, fundus, greater curvature, lesser curvature and pylorus ...
Shuang-Qin Yi +7 more
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Developmental Toxicity of Thiodiglycol in Sprague-Dawley Rats
International Journal of Toxicology, 2007Thiodiglycol (TG), a hydrolysis product of sulfur mustard (HD), is a potential contaminant of soil and water at certain military sites. To establish developmental toxicity criteria for TG, an oral developmental toxicity study was conducted in Sprague-Dawley rats.
Lee C. B. Crouse +4 more
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Spontaneous neoplasms in aged sprague-dawley rats
Archives of Toxicology, 1992Incidence of neoplastic lesions in untreated Sprague-Dawley rats (1340 males and 1329 females) used as controls in 17 carcinogenicity studies are tabulated and evaluated. In male rats, the most common neoplasms were benign pheochromocytomas and keratoacanthomas (4.0% in each case) followed by pancreatic islet cell adenomas (3.7%), thyroid ...
Dale E. Johnson +2 more
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Carcinogenicity of 8-nitroquinoline in Sprague—Dawley rats
Cancer Letters, 19788-Nitroquinoline was added to the semisynthetic diet of outbred Sprague-Dawley rats for 48 weeks. Squamous cell carcinomas of the upper digestive tract (tongue and esophagus), but especially of the forestomach, occurred among the higher concentration groups.
Nobuyuki Ito +5 more
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Cardiac anaphylaxis in the Sprague-Dawley rat.
The Journal of laboratory and clinical medicine, 1992Anaphylactic shock was induced in pentobarbital-anesthetized, mechanically ventilated Sprague-Dawley rats that had been sensitized 21 days earlier to crystallized ovalbumin. The sensitization was confirmed by passive cutaneous anaphylaxis test. Antigen challenge produced an immediate reduction in mean aortic pressure from 168 to 67 mm Hg within 1 ...
Max Harry Weil +6 more
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