Expression of MCH and POMC genes in rainbow trout (Oncorhynchus mykiss) during ontogeny and in response to early physiological challenges.


The expression of the neuropeptide melanin-concentrating hormone (MCH) in two groups of hypothalamic neurones (NLT- and LVR-MCH neurones), and POMC in the pituitary corticotropes and melanotropes, has been examined in rainbow trout larvae using immunocytochemistry and quantitative in situ hybridization. The aim was to establish at what stage in ontogeny… (More)