reactive microglia or macrophages expressing the histocompatibility glycoprotein hla-dr were detected in many neurological diseases including alzheimer 's , parkinson 's , pick 's and huntington 's diseases , parkinsonism-dementia of guam , amyotrophic lateral sclerosis , shy-drager syndrome , multiple sclerosis and aids encephalopathy .
C0017968
glycoprotein
C0019764
hla-dr