Journal
BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES
Volume 1860, Issue 9, Pages 1639-1651Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.bbamem.2018.03.015
Keywords
APP proteolysis; Membrane fluidity; Membrane permeabilization; Receptor mediated uptake of beta amyloid
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The beta amyloid protein (A beta) plays a central role in Alzheimer's disease (AD) pathogenesis and its interaction with cell membranes in known to promote mutually disruptive structural perturbations that contribute to amyloid deposition and neurodegeneration in the brain. In addition to protein aggregation at the membrane interface and disruption of membrane integrity, growing reports demonstrate an important role for the membrane in modulating A beta production and uptake into cells. The aim of this review is to highlight and summarize recent literature that have contributed insight into the implications of altered membrane composition on amyloid precursor protein (APP) proteolysis, production of A beta, its internalization in to cells via permeabilization and receptor mediated uptake. Here, we also review the various membrane model systems and experimental tools used for probing A beta-membrane interactions to investigate the key mechanistic aspects underlying the accumulation and toxicity of A beta in AD.
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