AD, AD dementia, Alzheimer Disease, Alzheimer disease, Persons, Plasma Exosomal miRNAs, apoE4, exosomal miRNAs, exosomes, miR, miR-, miR-125b-5p, miR-138-, miR-139-, miR-141-, miR-150-5p, miR-152-, miR-185-, miR-185-5p, miR-23b-3p, miR-24-3p, miR-29b-, miR-29b-3p, miR-3065-5p, miR-338-3p, miR-342-, miR-342-3p, miR-342-5p, miR-3613-3p, miR-3916, miR-4772-3p, miR-5001-3p, miR-548at-5p, miR-659-, miR-659-5p, miRNA, miRNAs, microRNAs, patients, persons, tau