passages.id: split_6_test_3404_passage
passages.type: progene_text
passages.text: In autopsy brains of PD , the number of MHC class II ( CR3 / 43 ) - positive activated microglia , which were also ICAM-1 ( CD 54 ) - , LFA-1 ( CD 11a ) - , TNF - alpha - , and IL-6 - positive , increased in the SN and putamen during progress of PD .