Species Differences in the Relative Densities of D1- and D2-Like Dopamine Receptor Subtypes in the Japanese Quail and Rats: An in vitro Quantitative Receptor Autoradiography Study
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TLDR
A systematic species difference is found in the relative density of D1- vs. D2-like receptors such that the D2/D1 ratio is higher in quail than in rats in areas, known to be important target sites for dopamine action such as striatal regions or the preoptic area, which is also associated with activation of sexual behavior.Abstract:
Evidence has accumulated that the regulation of male sexual behavior by dopamine might not be the same in Japanese quail (and perhaps all birds) as it is in mammals. For example, the non-selective dopread more
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Dopamine receptors in a songbird brain
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Distribution of neurotransmitter receptors and zinc in the pigeon (Columba livia) hippocampal formation: A basis for further comparison with the mammalian hippocampus
Christina Herold,Verner P. Bingman,Felix Ströckens,Sara Letzner,Magdalena M. Sauvage,Nicola Palomero-Gallagher,Karl Zilles,Karl Zilles,Onur Güntürkün +8 more
TL;DR: It is proposed that 300 hundred million years of independent evolution has led to a mosaic of similarities and differences in the organization of theAvian HF and mammalian hippocampus and that thinking about the avian HF in terms of the strict organization ofThe mammalian hippocampus is likely insufficient to understand the HF of birds.
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Differential effects of central injections of D1 and D2 receptor agonists and antagonists on male sexual behavior in Japanese quail
Hayley K. Kleitz-Nelson,Charlotte Cornil,Charlotte Cornil,Jacques Balthazart,Gregory F. Ball +4 more
TL;DR: Data support the claim that dopamine specifically regulates male sexual behavior by examining how intracerebroventricular injections and microinjections into the mPOA of D1 and D2 agonists and antagonists influenced appetitive and consummatory aspects of sexual behavior in male quail.
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Social context affects behavior, preoptic area gene expression, and response to D2 receptor manipulation during territorial defense in a cichlid fish
TL;DR: A critical role is demonstrated for preoptic gene expression, as well as circulating steroid hormone levels, in encoding information from the social environment and in shaping adaptive behavior, which provides further evidence for a role of D2R in context‐dependent behavior.
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Ovarian steroids alter dopamine receptor populations in the medial preoptic area of female rats: implications for sexual motivation, desire, and behaviour.
TL;DR: Findings provide strong evidence for a DA‐driven pathway of female sexual motivation, desire, and behaviour that is modified by different hormone priming regimens.
References
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