نتایج جستجو برای: t 2 toxin
تعداد نتایج: 3053530 فیلتر نتایج به سال:
Concentrations of T-2, HT-2, 3'-OH T-2, 3'-OH HT-2, T-2 triol, and T-2 tetraol toxins which inhibited [3H]thymidine uptake in mitogen-stimulated human peripheral lymphocytes by 50% were 1.5, 3.5, 4.0, 50, 150, and 150 ng/ml, respectively. The results suggested that the initial hydrolysis of T-2 toxin and the hydroxylation of T-2 toxin to 3'-OH T-2 toxin did not significantly decrease the immuno...
Twelve healthy rats were divided into the T-2 toxin group receiving gavage of 1 mg/kg T-2 toxin and the control group receiving gavage of normal saline. Total relative concentrations of T-2 toxin and HT-2 toxin in the skeletal system (thighbone, knee joints, and costal cartilage) were significantly higher than those in the heart, liver, and kidneys (P < 0.05). The relative concentrations of T-2...
T-2 toxin is known to induce apoptosis in mammalian cells. The mechanism of apoptosis induced by T-2 toxin has been proposed to be linked with oxidative stress and mitochondrial pathway. In the current study, the toxic effect of T-2 on Hela, Bel-7402, and Chang liver cells was examined in dose-dependent and time-dependent manner by MTT assay. Caspase-3 was found to be up-regulated under T-2 tox...
T-2 toxin, one of the type A trichothecenes, presents a potential hazard to human and animal health. Our previous work demonstrated that porcine cytochrome P450 3A29 (CYP3A29) played an important role in the hydroxylation of T-2 toxin. To identify amino acids involved in this metabolic process, T-2 toxin was docked into a homology model of CYP3A29 based on a crystal structure of CYP3A4 using Au...
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