we investigated csf levels of diazepam-binding inhibitor ( dbi ) , a recently discovered neuropeptide that allosterically modulates gabaergic transmission , in various neurodegenerative disorders with dementia ( 28 patients with parkinson 's disease , 10 with alzheimer 's disease , 7 with huntington 's chorea ) .
C0524851
neurodegenerative disorders
C0030567
parkinson 's