Anthrax toxin receptor 1 (ANTXR1 or also known asTEM8) is a protein that in humans is encoded by the ANTXR1gene.[1][2][3] Its molecular weight is predicted as about 63kDa.
The protein encoded by this gene is a type I transmembrane protein and is a tumor-specific endothelial marker that has been implicated in colorectal cancer. This protein has been shown to also be a docking protein or receptor for Bacillus anthracis toxin, the causative agent of the disease, anthrax. The binding of the protective antigen (PA) component, of the tripartite anthrax toxin, to this receptor protein mediates delivery of toxin components to the cytosol of cells. Once inside the cell, the other two components of anthrax toxin, edema factor (EF) and lethal factor (LF) disrupt normal cellular processes. Three alternatively spliced variants have been described.[3]
↑St Croix B, Rago C, Velculescu V, Traverso G, Romans KE, Montgomery E, Lal A, Riggins GJ, Lengauer C, Vogelstein B, Kinzler KW (Aug 2000). "Genes expressed in human tumor endothelium". Science. 289 (5482): 1197–202. doi:10.1126/science.289.5482.1197. PMID10947988.
↑Carson-Walter EB, Watkins DN, Nanda A, Vogelstein B, Kinzler KW, St Croix B (Sep 2001). "Cell surface tumor endothelial markers are conserved in mice and humans". Cancer Res. 61 (18): 6649–55. PMID11559528.
Maruyama K, Sugano S (1994). "Oligo-capping: a simple method to replace the cap structure of eukaryotic mRNAs with oligoribonucleotides". Gene. 138 (1–2): 171–4. doi:10.1016/0378-1119(94)90802-8. PMID8125298.
Suzuki Y, Yoshitomo-Nakagawa K, Maruyama K, et al. (1997). "Construction and characterization of a full length-enriched and a 5'-end-enriched cDNA library". Gene. 200 (1–2): 149–56. doi:10.1016/S0378-1119(97)00411-3. PMID9373149.
Schmidt DR, Schreiber SL (1999). "Molecular association between ATR and two components of the nucleosome remodeling and deacetylating complex, HDAC2 and CHD4". Biochemistry. 38 (44): 14711–7. doi:10.1021/bi991614n. PMID10545197.
Liu XH, Collier RJ, Youle RJ (2002). "Inhibition of axotomy-induced neuronal apoptosis by extracellular delivery of a Bcl-XL fusion protein". J. Biol. Chem. 276 (49): 46326–32. doi:10.1074/jbc.M108930200. PMID11574549.
Bradley KA, Mogridge J, Mourez M, et al. (2001). "Identification of the cellular receptor for anthrax toxin". Nature. 414 (6860): 225–9. doi:10.1038/n35101999. PMID11700562.
Latonen L, Taya Y, Laiho M (2001). "UV-radiation induces dose-dependent regulation of p53 response and modulates p53-HDM2 interaction in human fibroblasts". Oncogene. 20 (46): 6784–93. doi:10.1038/sj.onc.1204883. PMID11709713.
Bradley KA, Mogridge J, Jonah G, et al. (2004). "Binding of anthrax toxin to its receptor is similar to alpha integrin-ligand interactions". J. Biol. Chem. 278 (49): 49342–7. doi:10.1074/jbc.M307900200. PMID14507921.
Ota T, Suzuki Y, Nishikawa T, et al. (2004). "Complete sequencing and characterization of 21,243 full-length human cDNAs". Nat. Genet. 36 (1): 40–5. doi:10.1038/ng1285. PMID14702039.
Jones GG, Reaper PM, Pettitt AR, Sherrington PD (2004). "The ATR-p53 pathway is suppressed in noncycling normal and malignant lymphocytes". Oncogene. 23 (10): 1911–21. doi:10.1038/sj.onc.1207318. PMID14755251.
Bonuccelli G, Sotgia F, Frank PG, et al. (2005). "ATR/TEM8 is highly expressed in epithelial cells lining Bacillus anthracis' three sites of entry: implications for the pathogenesis of anthrax infection". Am. J. Physiol., Cell Physiol. 288 (6): C1402–10. doi:10.1152/ajpcell.00582.2004. PMID15689409.
Hotchkiss KA, Basile CM, Spring SC, et al. (2005). "TEM8 expression stimulates endothelial cell adhesion and migration by regulating cell-matrix interactions on collagen". Exp. Cell Res. 305 (1): 133–44. doi:10.1016/j.yexcr.2004.12.025. PMID15777794.
Rmali KA, Puntis MC, Jiang WG (2005). "TEM-8 and tubule formation in endothelial cells, its potential role of its vW/TM domains". Biochem. Biophys. Res. Commun. 334 (1): 231–8. doi:10.1016/j.bbrc.2005.06.085. PMID15993844.
Rual JF, Venkatesan K, Hao T, et al. (2005). "Towards a proteome-scale map of the human protein-protein interaction network". Nature. 437 (7062): 1173–8. doi:10.1038/nature04209. PMID16189514.