Gene Symbol: Abcg8
Description: ATP binding cassette subfamily G member 8
Alias: ATP-binding cassette sub-family G member 8, ATP-binding cassette, sub-family G (WHITE), member 8, ATP-binding cassette, subfamily G (WHITE), member 8, sterolin 2
Species: rat
Products:     Abcg8

Top Publications

  1. Hoekstra M, Out R, Kruijt J, Van Eck M, Van Berkel T. Diet induced regulation of genes involved in cholesterol metabolism in rat liver parenchymal and Kupffer cells. J Hepatol. 2005;42:400-7 pubmed
    ..Heavy lipid loading of parenchymal cells leads to moderate gene expression changes, while Kupffer cells respond in a highly adaptive fashion by stimulating the expression of genes involved in cholesterol metabolism and transport. ..
  2. Lu K, Lee M, Hazard S, Brooks Wilson A, Hidaka H, Kojima H, et al. Two genes that map to the STSL locus cause sitosterolemia: genomic structure and spectrum of mutations involving sterolin-1 and sterolin-2, encoded by ABCG5 and ABCG8, respectively. Am J Hum Genet. 2001;69:278-90 pubmed
    ..Mutational analyses revealed that this highly homologous protein, termed "sterolin-2" and encoded by ABCG8, is mutated in the remaining pedigrees...
  3. Berge K, Tian H, Graf G, Yu L, Grishin N, Schultz J, et al. Accumulation of dietary cholesterol in sitosterolemia caused by mutations in adjacent ABC transporters. Science. 2000;290:1771-5 pubmed
    ..encode new members of the adenosine triphosphate (ATP)-binding cassette (ABC) transporter family (six mutations in ABCG8 and one in ABCG5) in nine patients with sitosterolemia...
  4. Graf G, Li W, Gerard R, Gelissen I, White A, Cohen J, et al. Coexpression of ATP-binding cassette proteins ABCG5 and ABCG8 permits their transport to the apical surface. J Clin Invest. 2002;110:659-69 pubmed
    Mutations in either ATP-binding cassette (ABC) G5 or ABCG8 cause sitosterolemia, an autosomal recessive disorder of sterol trafficking...
  5. Yu H, Pandit B, Klett E, Lee M, Lu K, Helou K, et al. The rat STSL locus: characterization, chromosomal assignment, and genetic variations in sitosterolemic hypertensive rats. BMC Cardiovasc Disord. 2003;3:4 pubmed
    ..ABCG5 and ABCG8 (encoding sterolin-1 and sterolin-2 respectively) have been shown to be responsible for causing sitosterolemia in ..
  6. Graf G, Yu L, Li W, Gerard R, Tuma P, Cohen J, et al. ABCG5 and ABCG8 are obligate heterodimers for protein trafficking and biliary cholesterol excretion. J Biol Chem. 2003;278:48275-82 pubmed
    ABCG5 (G5) and ABCG8 (G8) are ATP-binding cassette (ABC) transporters that limit intestinal absorption and promote biliary excretion of neutral sterols...
  7. Coy D, Wooton Kee C, Yan B, Sabeva N, Su K, GRAF G, et al. ABCG5/ABCG8-independent biliary cholesterol excretion in lactating rats. Am J Physiol Gastrointest Liver Physiol. 2010;299:G228-35 pubmed publisher
    ..ABC) transporters multidrug resistance protein 2 (Mdr2), Abcb11 [bile salt export pump (Bsep)], and Abcg5/Abcg8 heterodimers are essential for the biliary secretion of phospholipids, bile acids, and cholesterol, respectively...
  8. Engel T, Bode G, Lueken A, Knop M, Kannenberg F, Nofer J, et al. Expression and functional characterization of ABCG1 splice variant ABCG1(666). FEBS Lett. 2006;580:4551-9 pubmed
    ..Our results support that ABCG1(666) may in fact be the most prominent form of functional ABCG1 expressed in the human...
  9. Macias R, Jimenez S, Serrano M, Monte M, Marin J. Effect of maternal cholestasis and treatment with ursodeoxycholic acid on the expression of genes involved in the secretion of biliary lipids by the neonatal rat liver. Life Sci. 2006;79:1014-9 pubmed
    ..Mrp1 and Mrp3), that of phospholipid flippase Mdr2 was not changed, whereas that of cholesterol transporter Abcg5/Abcg8 was impaired...

More Information


  1. Lee J, Kinch L, Borek D, Wang J, Wang J, Urbatsch I, et al. Crystal structure of the human sterol transporter ABCG5/ABCG8. Nature. 2016;533:561-4 pubmed publisher
    ..The ABCG5/ABCG8 heterodimer (G5G8) mediates excretion of neutral sterols in liver and intestines...
  2. Apro J, Beckman L, Angelin B, Rudling M. Influence of dietary sugar on cholesterol and bile acid metabolism in the rat: Marked reduction of hepatic Abcg5/8 expression following sucrose ingestion. Biochem Biophys Res Commun. 2015;461:592-7 pubmed publisher
    ..Both diets strongly reduced the hepatic - but not the intestinal - mRNA levels of Abcg5 and Abcg8. The differential patterns of regulation of bile acid synthesis induced by the two sucrose-enriched diets indicate ..
  3. Gälman C, Bonde Y, Matasconi M, Angelin B, Rudling M. Dramatically increased intestinal absorption of cholesterol following hypophysectomy is normalized by thyroid hormone. Gastroenterology. 2008;134:1127-36 pubmed publisher
    ..Hypopituitarism is associated with dyslipidemia, and feeding hypophysectomized rats cholesterol induces severe hypercholesterolemia. This study aimed to unravel further how hypophysectomy alters cholesterol and bile acid metabolism...
  4. Wang Z, Stalcup L, Harvey B, Weber J, Chloupkova M, Dumont M, et al. Purification and ATP hydrolysis of the putative cholesterol transporters ABCG5 and ABCG8. Biochemistry. 2006;45:9929-39 pubmed
    Mutations in the ATP-binding cassette (ABC) transporters ABCG5 and ABCG8 lead to sitosterolemia, a disorder characterized by sterol accumulation and premature atherosclerosis...
  5. Miwa K, Inazu A, Kobayashi J, Higashikata T, Nohara A, Kawashiri M, et al. ATP-binding cassette transporter G8 M429V polymorphism as a novel genetic marker of higher cholesterol absorption in hypercholesterolaemic Japanese subjects. Clin Sci (Lond). 2005;109:183-8 pubmed
    ..Recently, two ABC (ATP-binding cassette) transporters, ABCG5 and ABCG8, have been described as playing an important role in the absorption and excretion of sterols...
  6. Bloks V, Bakker Van Waarde W, Verkade H, Kema I, Wolters H, Vink E, et al. Down-regulation of hepatic and intestinal Abcg5 and Abcg8 expression associated with altered sterol fluxes in rats with streptozotocin-induced diabetes. Diabetologia. 2004;47:104-12 pubmed
    ..of this study was to evaluate whether altered expression of the ATP-Binding Cassette half-transporters Abcg5 and Abcg8, recently implicated in control of both hepatobiliary cholesterol secretion and intestinal cholesterol absorption, ..
  7. Kwiterovich P, Chen S, Virgil D, Schweitzer A, Arnold D, Kratz L. Response of obligate heterozygotes for phytosterolemia to a low-fat diet and to a plant sterol ester dietary challenge. J Lipid Res. 2003;44:1143-55 pubmed
    ..phytosterolemic probands homozygous for molecular defects in the ATP binding cassette (ABC) half transporter, ABCG8. The response of these heterozygotes to a Step 1 diet low in fat, saturated fat, and cholesterol, and to 2...
  8. Repa J, Berge K, Pomajzl C, Richardson J, Hobbs H, Mangelsdorf D. Regulation of ATP-binding cassette sterol transporters ABCG5 and ABCG8 by the liver X receptors alpha and beta. J Biol Chem. 2002;277:18793-800 pubmed
    Mutations in the ATP-binding cassette (ABC) transporters ABCG5 and ABCG8 have recently been shown to cause the autosomal recessive disorder sitosterolemia...
  9. Chan D, Watts G, Barrett P, Whitfield A, van Bockxmeer F. ATP-binding cassette transporter G8 gene as a determinant of apolipoprotein B-100 kinetics in overweight men. Arterioscler Thromb Vasc Biol. 2004;24:2188-91 pubmed
    ..We examined the influence of genetic variation of the ATP-binding cassette (ABC) transporter G8 on apolipoprotein B (apoB) kinetics in overweight/obese men...
  10. Lally S, Owens D, Tomkin G. The different effect of pioglitazone as compared to insulin on expression of hepatic and intestinal genes regulating post-prandial lipoproteins in diabetes. Atherosclerosis. 2007;193:343-51 pubmed
    ..In diabetic animals, HMGCoA reductase, MTTP and NPC1L1 mRNA were significantly elevated (p<0.02) and ABCG5 and ABCG8 were significantly reduced (p<0.02) in the liver...
  11. Klett E, Lu K, Kosters A, Vink E, Lee M, Altenburg M, et al. A mouse model of sitosterolemia: absence of Abcg8/sterolin-2 results in failure to secrete biliary cholesterol. BMC Med. 2004;2:5 pubmed
    ..of two genes comprising the STSL locus, ATP-binding cassette (ABC)-transporters ABCG5 (encoding sterolin-1) and ABCG8 (encoding sterolin-2), result in sitosterolemia, a rare autosomal recessive disorder of sterol trafficking ..