Thomas F. Rathbun

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GH3 cells can be used effectively to study the in vitro mechanism of action of GRF. In these cells, there is a time and concentration-dependent release of cAMP into the medium. Rat hypothalamic GRF, (rGRF) is 7 to 10 fold more active than human hypothalamic GRF (hGRF). VIP, a peptide which is structurally homologous to GRF, stimulates cAMP efflux in GH3(More)
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