Preprint Review Version 1 This version is not peer-reviewed

Clinical Utility of the Pathogenesis-related Proteins in Alzheimer’s Disease

Version 1 : Received: 14 February 2020 / Approved: 15 February 2020 / Online: 15 February 2020 (15:06:18 CET)

How to cite: Zhou, B.; Fukushima, M. Clinical Utility of the Pathogenesis-related Proteins in Alzheimer’s Disease. Preprints 2020, 2020020203 (doi: 10.20944/preprints202002.0203.v1). Zhou, B.; Fukushima, M. Clinical Utility of the Pathogenesis-related Proteins in Alzheimer’s Disease. Preprints 2020, 2020020203 (doi: 10.20944/preprints202002.0203.v1).

Abstract

The Aβ cascade and alternations of biomarkers in neuro-inflammation, synaptic dysfunction and neuronal injury followed by Aβ have progressed. But the question is how to use the biomarkers. Here, we examine the evidence and pathogenic implications of protein interactions and the time order of alternation. After the deposition of Aβ, the change of tau, NfL and NG is the main alternation and connection to others. The neuro-inflammation, synaptic dysfunction and neuronal injury function is exhibited prior the structural and metabolic changes in the brain following Aβ deposition. The time order of such biomarkers compared to the tau protein is not clear. Despite the close relationship between biomarkers and plaque Aβ deposition, several factors favor one or the other. There is an interaction between the proteins that CSF SNAP-25, VILIP-1 and YKL-40 can predict the brain amyloid burden. The Aβ cascade hypothesis could be the pathway, but not all subjects are converted to AD, even with very high elevated Aβ. The interaction of biomarkers and the time order of change require further research to identify the right subjects and right molecular target for precision medicine therapies.

Subject Areas

Alzheimer’s disease; biomarkers dynamics; interaction; time order

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