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Hormones modulate the concentration of cytoplasmic progestin receptors in the brain of male ring doves (Streptopelia risoria)



Hormones modulate the concentration of cytoplasmic progestin receptors in the brain of male ring doves (Streptopelia risoria)



Journal of Endocrinology 86(2): 251-261



A cytoplasmic progestin receptor was characterised in the brain of castrated male ring doves using an in vitro assay that measures the binding of a synthetic progestin promegestone (R5020). Progesterone and R5020 competed for binding, but oestradiol and 5 beta -dihydrotesterone did not. Corticosterone and, to a lesser extent, testosterone and 5 alpha -dihydrotestosterone competed for binding, but much higher concentrations were required than for progestins.

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Accession: 000903018

Download citation: RISBibTeXText

PMID: 7191878

DOI: 10.1677/joe.0.0860251



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