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lüll Lipoproteomics: using mass spectrometry-based proteomics to explore the assembly, structure, and function of lipoproteins Hoofnagle AN; Heinecke JWJ Lipid Res 2009[Oct]; 50 (10): 1967-75Lipoproteins are centrally important in lipid transport, fuel metabolism, and cardiovascular disease. The prototypic lipoprotein has an outer shell of amphipathic lipids and proteins that solubilizes a hydrophobic lipid core. Lipoprotein-associated proteins have classically been viewed as structural elements and factors important in lipid metabolism. Recent mass spectrometric analyses reveal that the protein cargo of lipoproteins is much more diverse than previously appreciated, raising the possibility that lipoproteins play previously unsuspected roles in host defense mechanisms and inflammation. They further suggest that lipoprotein-associated proteins can identify humans at increased risk of cardiovascular disease. Here, we summarize recent developments in lipoproteomics, the proteomic analysis of lipoproteins. We also discuss the promises and challenges this powerful analytical strategy offers for expanding our understanding of the biology and structures of lipoproteins.|Animals[MESH]|Cardiovascular Diseases/metabolism[MESH]|Humans[MESH]|Lipoproteins/chemistry/*metabolism[MESH]|Mass Spectrometry/*methods[MESH]|Models, Biological[MESH]|Proteomics/*methods[MESH] |