- Oral administration of propentofylline, a stimulator of nerve growth factor (NGF) synthesis, recovers cholinergic neuronal dysfunction induced by the infusion of anti-NGF antibody into the rat septum. Nitta, A., Ogihara, Y., Onishi, J., Hasegawa, T., Furukawa, S., Nabeshima, T. Behav. Brain Res. (1997)