A comparison study using the
insulin resistant animal model, the Zucker rat and the SMF-exposed Wistar rat was carried out.
Materials and methods: Zucker rats were compared to Wistar rats either exposed to a 128 mT or 0 mT SMF (sham exposed) and analysed. This moderate-intensity SMF exposure of Wistar rats was performed for AZD9291 cost 1 h/day during 15 consecutive days.
Results: Wistar rats exposed to the SMF showed increased levels of carbohydrate and lipid metabolites (i.e., lactate, glycerol, cholesterol and phospholipids) compared to sham-exposed rats. Zucker rats displayed a normoglycemia associated with a high insulin level as opposed to Wistar rats which presented hyperglycemia and hypoinsulinemia after exposure to
the SMF. During the glucose tolerance test, unexposed Zucker rats and Wistar rats exposed to the SMF exhibited a significantly higher hyperglycemia compared to sham-exposed Wistar rats suggesting an impairment of glucose clearance. In muscle, glycogen content was lower and phospholipids content was elevated for both unexposed Zucker rats and Wistar rats exposed to the SW: compared to Wistar rats sham control.
Conclusions: This study provides evidence that the metabolic alterations following exposure to a static magnetic field of moderate intensity could trigger the development of a pre-diabetic state.”
“This study continues a series of investigations Bafilomycin A1 mechanism of action evaluating fescue endotoxin exposure in beef heifer production. The objectives
were to evaluate fatty acid compositions VX-680 supplier in plasma and follicular fluid, and to assess oocyte quality from cattle fed fescue diets. The ability of domperidone, a dopamine antagonist, to mitigate these variables was also assessed. Thirty heifers were divided into 3 treatment groups (n = 10/group) and administered treatment regimens for 24 d, at which time blood samples were collected. The treatment regimens were a diet with endophyte-free fescue (EF), a diet with endophyte-infected fescue (EI), or EI supplemented with daily subcutaneous injections of domperidone (0.44 mg/kg of BW; EID). Three heifers/group were administered treatments for an additional 10 d, at which time their luteal phase ovarian follicular fluid and oocytes were collected. Plasma and follicular fluid samples were analyzed to determine fatty acid concentrations. Oocytes were matured in vitro to assess quality. In addition, abattoir oocytes were cultured in plasma from treated heifers. In plasma, arachidonic acid was less (P < 0.001) in EF-fed compared with EI-fed heifers. Decreased (P < 0.05) total n-6 fatty acid concentration was observed in EF-fed compared with EI-fed heifers. Similarly, the EF-containing diets decreased (P < 0.05) concentrations of eicosapentaenoic acid and C22:5n-3 (P < 0.05) compared with EI-containing diets. Domperidone supplementation increased (P < 0.
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