APP and Alzheimer disease: Further, findings on AD postmortem brains, AD-Fibroblasts, AD B-lymphocytes (all from late onset AD; LOAD), AD cerebrospinal fluids, AD cell lines, and APP transgenic (Tg2576 strain) mice exhibited higher expression levels of miR-455-3p in AD cases compared to the samples from healthy controls [21,[23], [24], [25], [26]].