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  • Title: Estrogen-receptor immunoreactivity in hamster brain: preoptic area, hypothalamus and amygdala.
    Author: Li HY, Blaustein JD, De Vries GJ, Wade GN.
    Journal: Brain Res; 1993 Dec 24; 631(2):304-12. PubMed ID: 8131058.
    Abstract:
    The distribution of estrogen-receptor containing cells in the preoptic area, hypothalamus and amygdala of female Syrian hamster brain was studied by immunocytochemical methods. Dense populations of estrogen-receptor immunoreactive (ER-IR) cells were found in the medial preoptic area, the bed nucleus of the stria terminalis, amygdala, ventral and lateral parts of the hypothalamus, and the arcuate nucleus. Injection of estradiol caused a decrease in estrogen-receptor immunoreactivity (ERIR) containing cells within one hour, a decrease that may reflect a change in the ability of the occupied estrogen receptor to bind the particular antibody (H222) used rather than down-regulation of the estrogen receptor. Our findings on the distribution of estrogen-receptor containing cells in these areas using an immunocytochemical technique are consistent with and extend the findings of others using autoradiographic and in vitro binding techniques to study estrogen receptor distribution in hamster brain.
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