152608-41-8

Etalocib (LY293111) sodium, an orally active leukotriene B4 receptor antagonist, inhibits the binding of [3H]LTB4, with a Ki of 25 nM. Etalocib sodium prevents LTB4-induced calcium mobilization with an lC50 of 20 nM. Etalocib sodium induces apoptosis[1][2][3].

LTB₄

[1] P Marder, et al. Blockade of Human Neutrophil Activation by 2-[2-propyl-3-[3-[2-ethyl-4-(4-fluorophenyl)-5- Hydroxyphenoxy]propoxy]phenoxy]benzoic Acid (LY293111), a Novel Leukotriene B4 Receptor Antagonist. Biochem Pharmacol. 1995 May 26;49(11):1683-90. DOI:10.1016/0006-2952(95)00078-e
[2] S A Silbaugh, et al. Pharmacologic Actions of the Second Generation Leukotriene B4 Receptor Antagonist LY29311: In Vivo Pulmonary Studies. Naunyn Schmiedebergs Arch Pharmacol. 2000 Apr;361(4):397-404. DOI:10.1007/s002109900211
[3] Wei-Gang Tong, et al. Leukotriene B4 Receptor Antagonist LY293111 Inhibits Proliferation and Induces Apoptosis in Human Pancreatic Cancer Cells. Clin Cancer Res. 2002 Oct;8(10):3232-42. PMID:12374694