The corticosteroid signaling pathway via the hypothalamuspituitary-interrenal (HPI) axis is active from early zebrafish advancement, and all of the required parts are present about the time of hatching
We also noticed gr mRNA in ionocytes doubled-labeled with immunostaining marking NaRC and HRC inside cryosections. gr mRNA is very expressed in a ubiquitous method, and co-localizes with NKA (Fig…