Siramesine (Lu 28-179) hydrochloride 是一种有效的 sigma-2 受体激动剂。Siramesine 对 sigma-2 受体具有亚纳摩尔亲和力 (IC50=0.12 nM)，并且对 sigma-2 受体的选择性是 sigma-1 受体的 140 倍 (IC50=17 nM)。Siramesine hydrochloride 通过线粒体的不稳定而不是溶酶体触发细胞死亡。Siramesine hydrochloride 显示出强大的抗癌活性。 Siramesine (Lu 28-179) hydrochloride is a potent sigma-2 receptor agonist. Siramesine hydrochloride has a subnanomolar affinity for sigma-2 receptors (IC50=0.12 nM) and exhibits a 140-fold selectivity for sigma-2 receptors over sigma-1 receptors (IC50=17 nM). Siramesine hydrochloride triggers cell death through destabilisation of mitochondria, but not lysosomes. Anti-cancer activity.