Studies using animal models have shed light into the molecular and cellular basis for the neuropathology observed in patients with Alzheimer's disease (AD). In particular, the role of the amyloid precursor protein (APP) plays a crucial role in the formation of senile plaques and aging-dependent degeneration. Here, we focus our review on recent findings using the AD model to expand our understanding of APP molecular function and interactions, including insights gained from the fly homolog APP-like (APPL). Finally, as there is still no cure for AD, we review some approaches that have shown promising results in ameliorating AD-associated phenotypes, with special attention on the use of nutraceuticals and their molecular effects, as well as interactions with the gut microbiome. Overall, the phenomena described here are of fundamental significance for understanding network development and degeneration. Given the highly conserved nature of fundamental signaling pathways, the insight gained from animal models such as will likely advance the understanding of the mammalian brain, and thus be relevant to human health.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8269328PMC
http://dx.doi.org/10.3390/ijms22137022DOI Listing

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