Carcinogenic Effects of MGP-7 and B[a]P on the Hamster Cheek Pouch
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چکیده
منابع مشابه
Effects of tetraiodothyronine and triiodothyronine on hamster cheek pouch microcirculation.
The aim of the present study was to assess the effects of topically applied triiodothyronine (T(3)) and thyroxine (T(4)) on the arterioles of hamster cheek pouch microcirculation in vivo. Microvessels were visualized using a fluorescent microscopy technique. Topical application of T(3) (3.08, 30.8, 61.5, 307, 615, and 6,150 nM/l) consistently induced dose-dependent dilation of arterioles within...
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Pouches from three experimental and one control animal were excised for analysis at various times during the first week and thereafter each week of carcinogen application (9,10-dimethyl-l ,~-benzanthracene) until the 131h week, at which time large tumors were present in all remaining aninmls. IIistologic progression from normal through inflanmmtion, uniform hyperplasia, localized premalignant h...
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Propagated vasodilation has been observed in the peripheral vasculature and may be significant in integrating the behavior of terminal arterioles and larger vessels. We have studied the characteristics of propagated vasodilation induced by acetylcholine in the microcirculation of the cheek pouch of the golden hamster. The technique of microionophoresis was used as a means of achieving relativel...
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To examine the role of reactive oxygen species on the invasive phenotype of cancer cells, we overexpressed manganese- and copper-zinc-containing superoxide dismutases (MnSOD, CuZnSOD) and catalase (Cat) in hamster cheek pouch carcinoma (HCPC-1) cells in vitro using adenoviral vector-mediated gene transfer. Hamster cheek pouch carcinoma cells were transduced with these adenoviral vector construc...
متن کاملthe effects of planning on accuracy and complexity of iranian efl students’ written narrative task performance
this study compared the different effects of form-focused guided planning vs. meaning-focused guided planning on iranian pre-intermediate students’ task performance. the study lasted for three weeks and concentrated on eight english structures. forty five pre-intermediate iranian students were randomly assigned to three groups of guided planning focus-on-form group (gpfg), guided planning focus...
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ژورنال
عنوان ژورنال: Toxicologic Pathology
سال: 2009
ISSN: 0192-6233,1533-1601
DOI: 10.1177/0192623309344203