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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Role of ABCG1 and other ABCG family members in lipid metabolism.

The molecular cloning and identification of mutations in ATP-binding cassette transporters in hereditary diseases have greatly expanded our knowledge of the normal physiology of intracellular lipid transport processes. In addition to the well-known ATP-binding cassette transporter A1 (ABCA1) molecule, ABC transporters belonging to the ABCG ( White) subfamily (ABCG1, ABCG5, and ABCG8) have been shown to be critically involved in the regulation of lipid-trafficking mechanisms in macrophages, hepatocytes, and intestinal mucosa cells. ABCG1, the product of a sterol-induced gene, participates in cholesterol and phospholipid efflux. The ABCG5 and ABCG8 transporters, defective in beta-sitosterolemia, are also now considered interesting targets in the control and influence of total body sterol homeostasis. In this review, advances referring to the regulation and function of ABCG half-size transporters are summarized and discussed. In addition, new implications for the transcriptional control, as well as the intracellular routing and localization, of these proteins are presented.[1]


  1. Role of ABCG1 and other ABCG family members in lipid metabolism. Schmitz, G., Langmann, T., Heimerl, S. J. Lipid Res. (2001) [Pubmed]
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