Effects of leptin and neuropeptide Y (NPY) on hormones release in female rats.
OBJECTIVES: The aim of this study was to investigate the influence of NMMA on the mechanism of leptin and NPY action in in vivo and in vitro on pituitary hormone release by female rats in diestrus.
METHODS: In vivo experiments based on four-day ip injections of: 1) murine recombinant leptin (mrLep); 2) human NPY;.....