Mechanism of the relaxant effect of rosuvastatin lactone on rat aortic rings.

The relaxant effect of the lactone of rosuvastatin was evaluated on aortic rings from male Wistar rats (250-300 g) with and without endothelium, precontracted with 1.0 microM phenylephrine. The lactone presented a greater potency than rosuvastatin in relaxing aortic rings.

[Effect of maternal diabetes on human and rat fetal development].

Diabetes is a genetically determined metabolic disease with fasting hyperglycemia due to relative or absolute absence of insulin. With the use of exogenous insulin, successful gestations are now possible. Nevertheless, there are still severe problems associated, such as spontaneous abortion, perinatal mortality and congenital malformations.