Hyperprolactinemia in obese as well as in lean females of Koletsky rats: effect of long lasting terguride treatment.

Plasma prolactin was measured in genetically hypertensive obese Koletsky rats, in their lean siblings and in normotensive rats of Wistar strain. Lean as well as obese females show hyperprolactinemia. The males of Wistar strain as well as obese rats and their siblings show comparable prolactinemia except lean males which show higher level than Wistar males. Sex dependence of prolactinemia is missing in the rats of Wistar strain. Long lasting terguride treatment decreases prolactinemia in obese as well as lean rats of both sexes. The drug showed decreased prolactinemia in the males of Wistar strain. When the group of rats are considered in correlation computation positive correlation can be documented between total plasma cholesterol and plasma prolactin. In obese females positive correlation was found between plasma insulin and plasma prolactin.