MAPT and Alzheimer disease: Moreover, a trend to increased tau phosphorylation was noticeable also in the contralateral, non-injected hippocampus, both for AT8 as well as for AT100 hyperphosphorylated tau, when comparing the CTR group to the AD group (AT8: 0,050/0,393, p = 0,053, AT100: 0,164/0,626, p = 0,053).