The function of Ensembl gene identifier ENSG00000139574 (NPFF, neuropeptide FF-amide peptide precursor) is as follows. Morphine modulating peptides. Have wide-ranging physiologic effects, including the modulation of morphine-induced analgesia, elevation of arterial blood pressure, and increased somatostatin secretion from the pancreas. Neuropeptide FF potentiates and sensitizes ASIC1 and ASIC3 channels. .