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- Medical English LInking keywords finder for the PubMed Zipped Archive (ELIZA) -
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657704 occurrences (No.10 in the rank) during 5 years in the PubMed. [cache]
429) However, previous studies on the ability of P-gp to directly transport the Alzheimer's associated amyloid-β (Aβ) protein have produced contradictory results.
* Transport of Alzheimer's associated amyloid-β catalyzed by P-glycoprotein.
- P-glycoprotein (P-gp) is a critical membrane transporter in the blood brain barrier (BBB) and is implicated in Alzheimer's disease (AD). However, previous studies on the ability of P-gp to directly transport the Alzheimer's associated amyloid-β (Aβ) protein have produced contradictory results. Here we use molecular dynamics (MD) simulations, transport substrate accumulation studies in cell culture, and biochemical activity assays to show that P-gp actively transports Aβ. We observed transport of Aβ40 and Aβ42 monomers by P-gp in explicit MD simulations of a putative catalytic cycle. In in vitro assays with P-gp overexpressing cells, we observed enhanced accumulation of fluorescently labeled Aβ42 in the presence of Tariquidar, a potent P-gp inhibitor. We also showed that Aβ42 stimulated the ATP hydrolysis activity of isolated P-gp in nanodiscs. Our findings expand the substrate profile of P-gp, and suggest that P-gp may contribute to the onset and progression of AD.
Overview of verb associate
The verb associate has 3 senses (first 3 from tagged texts)
1. (25) associate, tie in, relate, link, colligate, link up, connect -- (make a logical or causal
connection; "I cannot connect these two pieces of evidence in my mind"; "colligate these facts"; "I
cannot relate these events at all")
2. (3) consort, associate, affiliate, assort -- (keep company with; hang out with; "He associates
with strange people"; "She affiliates with her colleagues")
3. (1) consociate, associate -- (bring or come into association or action; "The churches consociated
to fight their dissolution")
--- WordNet end ---