Delta-like 4 is a protein that in humans is encoded by the DLL4gene.[1][2]
This gene is a homolog of the Drosophila delta gene. The delta gene family encodes Notch ligands that are characterized by a DSL domain, EGF repeats, and a transmembrane domain.[2]
Yan XQ, Sarmiento U, Sun Y, et al. (2002). "A novel Notch ligand, Dll4, induces T-cell leukemia/lymphoma when overexpressed in mice by retroviral-mediated gene transfer". Blood. 98 (13): 3793–9. doi:10.1182/blood.V98.13.3793. PMID11739188.
Mailhos C, Modlich U, Lewis J, et al. (2002). "Delta4, an endothelial specific notch ligand expressed at sites of physiological and tumor angiogenesis". Differentiation. 69 (2–3): 135–44. doi:10.1046/j.1432-0436.2001.690207.x. PMID11798067.
Dorsch M, Zheng G, Yowe D, et al. (2002). "Ectopic expression of Delta4 impairs hematopoietic development and leads to lymphoproliferative disease". Blood. 100 (6): 2046–55. PMID12200365.
Tohda S, Murata-Ohsawa M, Sakano S, Nara N (2003). "Notch ligands, Delta-1 and Delta-4 suppress the self-renewal capacity and long-term growth of two myeloblastic leukemia cell lines". Int. J. Oncol. 22 (5): 1073–9. doi:10.3892/ijo.22.5.1073. PMID12684674.
Lauret E, Catelain C, Titeux M, et al. (2004). "Membrane-bound delta-4 notch ligand reduces the proliferative activity of primitive human hematopoietic CD34+CD38low cells while maintaining their LTC-IC potential". Leukemia. 18 (4): 788–97. doi:10.1038/sj.leu.2403288. PMID14990974.
Patel NS, Li JL, Generali D, et al. (2005). "Up-regulation of delta-like 4 ligand in human tumor vasculature and the role of basal expression in endothelial cell function". Cancer Res. 65 (19): 8690–7. doi:10.1158/0008-5472.CAN-05-1208. PMID16204037.
Patel NS, Dobbie MS, Rochester M, et al. (2006). "Up-regulation of endothelial delta-like 4 expression correlates with vessel maturation in bladder cancer". Clin. Cancer Res. 12 (16): 4836–44. doi:10.1158/1078-0432.CCR-06-0285. PMID16914569.
Lefort N, Benne C, Lelièvre JD, et al. (2007). "Short exposure to Notch ligand Delta-4 is sufficient to induce T-cell differentiation program and to increase the T cell potential of primary human CD34+ cells". Exp. Hematol. 34 (12): 1720–9. doi:10.1016/j.exphem.2006.08.007. PMID17157169.
Fung E, Tang SM, Canner JP, et al. (2007). "Delta-like 4 induces notch signaling in macrophages: implications for inflammation". Circulation. 115 (23): 2948–56. doi:10.1161/CIRCULATIONAHA.106.675462. PMID17533181.
Hodkinson PS, Elliott PA, Lad Y, et al. (2007). "Mammalian NOTCH-1 activates beta1 integrins via the small GTPase R-Ras". J. Biol. Chem. 282 (39): 28991–9001. doi:10.1074/jbc.M703601200. PMID17664272.
Zang S, Ji Ch, Qu X, et al. (2007). "A study on Notch signaling in human breast cancer". Neoplasma. 54 (4): 304–10. PMID17822320.