... the original in two positions, 12 and 15, at which the native amino acidsL-phenylalanine 12 and L-leucine 15 have been replacedby the nonprotein amino acidsD-phenylalanine and a-aminoisobutyric ... corticotropin-releasing factor receptors in anterior and intermediate lobes ofpituitary and in brain following adrenalectomy in rats. Neurosci.Lett. 56, 121–128.5. Perrin, M., Donaldson, C., ... the human body, indicatingthat the hormone is probably implicated in a variety ofactions, including in ammatory phenomena, the effectsof various stressors, pregnancy and labour, food intake,thermoregulation,...