… Our limited results with repeated samples indicate that the plasma levels of Aβ42 begin to
decrease soon after the diagnosis of AD has been established, which has been observed by …

… The results of the longitudinal study presented herein are, to our knowledge, the first to
indicate that the plasma Aβ42/Aβ40 ratio may be useful for identifying elderly white subjects who …

… plasma Aβ40 and Aβ42 as diagnostic biomarkers as well as risk biomarkers. Review of recent
genome-wide association … : Down syndrome, familial Alzheimer's disease, and first degree …

… that were longitudinally followed for several years provides no support for the usefulness
of plasma Aβ as a diagnostic marker for early AD. The lack of correlation between CSF and …

… precision, even for low Aβ42 plasma concentrations. Aβ40 and Aβ42 concentrations varied
… To our knowledge this is the first multicenter study on human plasma Aß determinations with …

… Institute on Aging-Alzheimer's Association study patients with … available plasma Aβ42/Aβ40,
plasma p-tau217, plasma NfL, … plasma Aβ42/Aβ40 and plasma p-tau217 with plasma NfL. In …

… plasma levels of Aβ 40 , Aβ 42 , and the Aβ 40 /Aβ 42 ratio as biomarkers of AD in subjects
with early… Plasma levels of Aβ 40 and Aβ 42 were measured using a sandwich enzyme-linked …

… Neurochemical biomarkers in cerebrospinal fluid (CSF) and imaging biomarkers can
support the early diagnosis of Alzheimer’s disease (AD). In numerous studies, low CSF …

… of AD such as Aβ40, Aβ42, P-tau 181, T-tau, and the plasma pro-… plasma Aβ42 cannot
discriminate the aMCI or AD group from normal control group. Although, unlike Aβ42, Aβ40 …

… plasma Aβ42/40 ratio with increased risk of incident AD (17-19). Furthermore, we recently
showed an association between low total plasma Aβ42/… In this work, total in plasma Aβ42/Aβ40 …