OLR1

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External IDs	GeneCards: [1]
Orthologs
Species	Human	Mouse
Entrez	n/a	n/a
Ensembl	n/a	n/a
UniProt	n/a	n/a
RefSeq (mRNA)	n/a	n/a
RefSeq (protein)	n/a	n/a
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Wikidata
View/Edit Human

Oxidized low-density lipoprotein receptor 1 (Ox-LDL receptor 1) also known as lectin-type oxidized LDL receptor 1 (LOX-1) is a protein that in humans is encoded by the OLR1 gene.

Function

LOX-1 is a receptor protein which belongs to the C-type lectin superfamily. Its gene is regulated through the cyclic AMP signaling pathway. The protein binds, internalizes and degrades oxidized low-density lipoprotein. This protein may be involved in the regulation of Fas-induced apoptosis. This protein may play a role as a scavenger receptor.

Clinical significance

Mutations of the OLR1 gene have been associated with atherosclerosis, risk of myocardial infarction, and may modify the risk of Alzheimer's disease. When applied to human macrophage-derived foam cells in vitro, the dietary supplement berberine inhibits the expression of the ORL1 gene in response to oxidized low-density lipoprotein cholesterol, but this has not yet been demonstrated in a living animal or human.

Further reading

• Sawamura T (2002). "[Molecular identification of LOX-1 and analysis of its pathophysiological role]". Nippon Yakurigaku Zasshi. 119 (3): 145–54. doi:10.1254/fpj.119.145. PMID 11915516.
• Mehta JL, Li D (2002). "Identification, regulation and function of a novel lectin-like oxidized low-density lipoprotein receptor". J. Am. Coll. Cardiol. 39 (9): 1429–35. doi:10.1016/S0735-1097(02)01803-X. PMID 11985903.
• Sawamura T (2002). "[LOX-1: the oxidized LDL receptor expressed in vascular endothelial cells]". Seikagaku. 74 (5): 365–76. PMID 12073608.
• Ando K, Fujita T (2005). "Role of lectin-like oxidized low-density lipoprotein receptor-1 (LOX-1) in the development of hypertensive organ damage". Clin. Exp. Nephrol. 8 (3): 178–82. doi:10.1007/s10157-004-0288-9. PMID 15480893.
• Sawamura T, Kume N, Aoyama T, et al. (1997). "An endothelial receptor for oxidized low-density lipoprotein". Nature. 386 (6620): 73–7. doi:10.1038/386073a0. PMID 9052782.
• Yoshida H, Kondratenko N, Green S, et al. (1998). "Identification of the lectin-like receptor for oxidized low-density lipoprotein in human macrophages and its potential role as a scavenger receptor". Biochem. J. 334 ( Pt 1) (Pt 1): 9–13. PMC 1219654. PMID 9693095.
• Mehta JL, Li DY (1998). "Identification and autoregulation of receptor for OX-LDL in cultured human coronary artery endothelial cells". Biochem. Biophys. Res. Commun. 248 (3): 511–4. doi:10.1006/bbrc.1998.9004. PMID 9703956.
• Yamanaka S, Zhang XY, Miura K, et al. (1999). "The human gene encoding the lectin-type oxidized LDL receptor (OLR1) is a novel member of the natural killer gene complex with a unique expression profile". Genomics. 54 (2): 191–9. doi:10.1006/geno.1998.5561. PMID 9828121.
• Nagase M, Abe J, Takahashi K, et al. (1999). "Genomic organization and regulation of expression of the lectin-like oxidized low-density lipoprotein receptor (LOX-1) gene". J. Biol. Chem. 273 (50): 33702–7. doi:10.1074/jbc.273.50.33702. PMID 9837956.
• Draude G, Hrboticky N, Lorenz RL (1999). "The expression of the lectin-like oxidized low-density lipoprotein receptor (LOX-1) on human vascular smooth muscle cells and monocytes and its down-regulation by lovastatin". Biochem. Pharmacol. 57 (4): 383–6. doi:10.1016/S0006-2952(98)00313-X. PMID 9933026.
• Aoyama T, Sawamura T, Furutani Y, et al. (1999). "Structure and chromosomal assignment of the human lectin-like oxidized low-density-lipoprotein receptor-1 (LOX-1) gene". Biochem. J. 339 ( Pt 1) (Pt 1): 177–84. doi:10.1042/0264-6021:3390177. PMC 1220142. PMID 10085242.
• Li DY, Zhang YC, Philips MI, et al. (1999). "Upregulation of endothelial receptor for oxidized low-density lipoprotein (LOX-1) in cultured human coronary artery endothelial cells by angiotensin II type 1 receptor activation". Circ. Res. 84 (9): 1043–9. doi:10.1161/01.res.84.9.1043. PMID 10325241.
• Kataoka H, Kume N, Miyamoto S, et al. (1999). "Expression of lectinlike oxidized low-density lipoprotein receptor-1 in human atherosclerotic lesions". Circulation. 99 (24): 3110–7. doi:10.1161/01.cir.99.24.3110. PMID 10377073.
• Li D, Saldeen T, Romeo F, Mehta JL (2000). "Oxidized LDL upregulates angiotensin II type 1 receptor expression in cultured human coronary artery endothelial cells: the potential role of transcription factor NF-kappaB". Circulation. 102 (16): 1970–6. doi:10.1161/01.cir.102.16.1970. PMID 11034947.
• Bull C, Sobanov Y, Röhrdanz B, et al. (2001). "The centromeric part of the human NK gene complex: linkage of LOX-1 and LY49L with the CD94/NKG2 region". Genes Immun. 1 (4): 280–7. doi:10.1038/sj.gene.6363678. PMID 11196705.
• Shi X, Niimi S, Ohtani T, Machida S (2001). "Characterization of residues and sequences of the carbohydrate recognition domain required for cell surface localization and ligand binding of human lectin-like oxidized LDL receptor". J. Cell Sci. 114 (Pt 7): 1273–82. PMID 11256994.
• Chen M, Narumiya S, Masaki T, Sawamura T (2001). "Conserved C-terminal residues within the lectin-like domain of LOX-1 are essential for oxidized low-density-lipoprotein binding". Biochem. J. 355 (Pt 2): 289–96. doi:10.1042/0264-6021:3550289. PMC 1221738. PMID 11284714.
• Tanimoto A, Murata Y, Nomaguchi M, et al. (2001). "Histamine increases the expression of LOX-1 via H2 receptor in human monocytic THP-1 cells". FEBS Lett. 508 (3): 345–9. doi:10.1016/S0014-5793(01)03073-3. PMID 11728449.
• Sobanov Y, Bernreiter A, Derdak S, et al. (2002). "A novel cluster of lectin-like receptor genes expressed in monocytic, dendritic and endothelial cells maps close to the NK receptor genes in the human NK gene complex". Eur. J. Immunol. 31 (12): 3493–503. doi:10.1002/1521-4141(200112)31:12<3493::AID-IMMU3493>3.0.CO;2-9. PMID 11745369.