
Neurotrophic and neuroprotective efficacy of intranasal GDNF in a rat model of Parkinson’s disease
Keywords: 6-OHDA, 6-hydroxydopamine; BBB, blood–brain barrier; BSA, bovine serum albumin; GDNF, glial cell line-derived neurotrophic factor; IOD, integrated optical density; MFB, median forebrain bundle; OVAL, ovalbumin; PBS, phosphate-buffered saline; PD, Parkinso