Thyrotrophin-releasing hormone stimulates polyphosphoinositide metabolism in the frog neurointermediate lobe.


Previous studies have demonstrated that TRH is a potent stimulator of alpha-MSH secretion from frog pituitary melanotrophs. In order to determine the intracellular events responsible for TRH-evoked alpha-MSH release, we have investigated the effect of TRH on polyphosphoinositide breakdown in frog pars intermedia. Neurointermediate lobes were labelled to… (More)


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