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A single injection of 17β-estradiol administered to 4-day-old male and female mice increased the cellular immune response, and induced resistance to Taenia crassiceps cysticercosis as well as changes in the expression pattern of progesterone (PR) and estrogen receptor (ER) isoforms in the brain and splenocytes. Regardless of gender, when treated mice reached adulthood, they were highly resistant to...
The object of the present study was to determine the c-fos gene expression pattern in the hypothalamus (HYP) and the preoptic area (POA) after estradiol and testosterone priming during the critical period of sexual differentiation of the rat brain. Three-day-old female rats were injected s.c. with a single dose of 17β-estradiol (200 μg), testosterone enantate (200 μg) or vehicle (corn oil). HYP and...
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