Reference : Critical Re-Examination of the Distribution of Aromatase-Immunoreactive Cells in the ...
Scientific journals : Article
Human health sciences : Endocrinology, metabolism & nutrition
Social & behavioral sciences, psychology : Neurosciences & behavior
Critical Re-Examination of the Distribution of Aromatase-Immunoreactive Cells in the Quail Forebrain Using Antibodies Raised against Human Placental Aromatase and against the Recombinant Quail, Mouse or Human Enzyme
Foidart, Agnès mailto [Université de Liège - ULiège > Services généraux (Faculté de médecine) > Service administratif de la Faculté (Médecine) >]
Reid, J. [> > > >]
Absil, Philippe [Université de Liège - ULiège > > Centre de recherches du cyclotron >]
Yoshimura, N. [> > > >]
Harada, N. [> > > >]
Balthazart, Jacques mailto [Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Biologie de la différenciation sexuelle du cerveau >]
Journal of Chemical Neuroanatomy
Yes (verified by ORBi)
[en] Mouse and quail aromatase cDNAs were isolated from libraries of mouse ovary and quail brain by using a human aromatase cDNA fragment (hA-24) as a probe. These three cDNAs were inserted into plasmid vectors and expressed in Escherichia coli. Antisera against these purified recombinant proteins were raised in rabbit and purified by ammonium sulfate fractionation and affinity chromatography. The three antibodies directed against recombinant human, mouse and quail proteins were used to visualize aromatase-immunoreactive cells in the quail brain. They were compared with the antibody raised against human placental aromatase used in previous experiments and with another antibody recently developed by similar methods. The signal obtained with all antibodies was completely abolished by preadsorption with the homologous recombinant antigens and the signal produced by the two antibodies raised against placental aromatase was similarly abolished by a preadsorption with recombinant quail aromatase. The antibodies raised against recombinant proteins identified the major groups of aromatase cells previously described in the quail brain. The antibodies directed against the mouse and quail antigen identified more positive cells and stained them more densely than the antibodies raised against human recombinant antigen or purified placental aromatase. The new cell groups identified by the antibody raised against quail recombinant aromatase were located in an area ventral to the fasciculus prosencephali lateralis, the nucleus accumbens, the paleostriatum ventrale, the nucleus taeniae, the area around the nucleus ovoidalis, the caudal tuber and the mesencephalic central gray. A critical re-examination of the distribution and nomenclature of the aromatase-positive cells is proposed based on these new findings.

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