E Martínez-Conde

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There were two groups of rats: one was injected with testosterone propionate (10 mg/kg) every 7 days starting from weaning (23 days old); the other group had gonadectomy on the same day. The levels of 5-HT and 5-HIAA were measured by spectrofluorometry. The concentrations of 5-HT in the diencephalon of the testosterone propionate injected rats decreased(More)
The effect produced by gonadectomy on homovanillic acid (HVA) levels in three regions of male and female rat brain during the postnatal period has been studied. In all areas, the HVA levels rise in gonadectomized rats when they are compared with the controls in the first period, but later these levels decrease with respect to the control rats. When female(More)
The HVA levels in corpus striatum, limbic system and diencephalon in male and female rats during the postnatal period have been measured. The HVA levels in corpus striatum and diencephalon differed significantly when both sexes wee compared, whereas in limbic system significant differences were not found. A decrease in the levels of HVA in all areas studied(More)
A method for the extraction and quantification of Dopamine from small areas of rat brain has been developed. The extraction with solvents eliminates the column cromatography separations and allows the simultaneous processing of a good number of samples. Sample retrieval is quite high (70%) and very reproducible. The evaluation was made from areas with a(More)
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