Templated spherical high density lipoprotein nanoparticles.

ABSTRACT: We report the synthesis of high density lipoprotein (HDL) biomimetic nanoparticles capable of binding cholesterol. These structures use a gold nanoparticle core to template the assembly of a mixed phospholipid layer and the adsorption of apolipoprotein A-I. These synthesized structures have the general size and surface composition of natural HDL and, importantly, bind free cholesterol (K(d) = 4 nM). The determination of the K(d) for these particles, with respect to cholesterol complexation, provides a key starting and comparison point for measuring and evaluating the properties of subsequently developed synthetic versions of HDL.

SUBMITTER: Thaxton CS 

PROVIDER: S-EPMC2843502 | biostudies-literature | 2009 Feb

REPOSITORIES: biostudies-literature