Reference : Testosterone Effects on Neurotensin-Immunoreactive Cells in the Quail Preoptic Area
Scientific journals : Article
Life sciences : Zoology
Social & behavioral sciences, psychology : Neurosciences & behavior
Testosterone Effects on Neurotensin-Immunoreactive Cells in the Quail Preoptic Area
Absil, Philippe [Université de Liège - ULiège > > Centre de recherches du cyclotron >]
Balthazart, Jacques mailto [Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Biologie de la différenciation sexuelle du cerveau >]
Yes (verified by ORBi)
[en] In the quail preoptic area (POA), neurotensin-immunoreactive (NT-ir) cells are mostly located in the sexually dimorphic medial preoptic nucleus (POM). They are more numerous in females than in males and, in females, their number varies during the ovulatory cycle. This suggests a control by steroids of NT expression in the POA. This idea was tested by comparing the NT-ir populations in gonadectomized males and females treated or not with testosterone. No sex differences in the NT-ir cell number was present in gonadectomized birds. Testosterone treatment increased the number of immunoreactive perikarya. This effect was anatomically specific and the increase was observed in the area caudal to the anterior commissure but not in POM itself.

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