Abstract:
:Estradiol and progesterone regulate sexual behaviors in guinea pigs and rats, at least in part, through interaction with intracellular steroid hormone receptors. In the present review of work from the laboratory of the authors, we summarize recent work which has focused on one of the sites of hormone action in female guinea pigs--the ventrolateral hypothalamus. We summarize results of earlier experiments in which the regulation of steroid hormone receptors in this area was assessed after hormonal treatments with predictable effects on female sexual behavior. We then review the results of recent tract-tracing experiments in which we have examined the projections from the steroid receptor-immunoreactive neurons in this region, as well as the afferent projections from other neuroanatomical areas, including neurons which themselves contain estrogen receptors. We also present studies on the afferent input into these neurons by noradrenergic neurons and discuss the possibility that noradrenergic input influences steroid hormone sensitivity in these neurons. Finally, we discuss the results of experiments in which Fos-immunocytochemistry was used in rats to identify the neurons responding to a particular tactile stimulus associated with female reproduction, i.e., vaginal-cervical stimulation. These experiments further define a complex neuroanatomical system, in which many of the elements are estradiol or progesterone-responsive, that is involved in the hormonal regulation of sexual behavior in guinea pigs and rats.
journal_name
Psychoneuroendocrinologyjournal_title
Psychoneuroendocrinologyauthors
Blaustein JD,Tetel MJ,Ricciardi KH,Delville Y,Turcotte JCdoi
10.1016/0306-4530(94)90036-1subject
Has Abstractpub_date
1994-01-01 00:00:00pages
505-16issue
5-7eissn
0306-4530issn
1873-3360journal_volume
19pub_type
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