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This study found that changes in the brain concentrations of neuroactive steroids during pregnancy are linked to increased Y 1 receptor gene expression in the medial amygdala of transgenic mice.

In this study, ethanol discontinuation in Y 1 R / LacZ transgenic mice significantly decreased neuropeptide Y immunoreactivity and increased Y 1 receptor gene expression in the amygdala, with evidence suggesting an important role for the progesterone metabolite 3α,5α‐TH PROG in these changes.

In this study, acute restraint stress increased Y1 receptor gene expression in the amygdala and PVN of transgenic mice, but this effect was not due to elevated neuroactive steroid concentrations, indicating a potential ligand-induced mechanism.

This review discusses recent advancements in omics and gene editing technologies for studying neuropeptides and receptors in fish, but reports no new experimental findings; the authors highlight the need for further research in this area.

This study found that while both natural and bioengineered salivary glands showed similar protein concentrations in response to taste stimulation, their protein compositions and amylase concentrations differed, which may affect nerve signal balance.