AX11890, an inhibitor of overexpressed enzyme, KIAA1363, in some breast cancers, was conjugated with a benzo[a]phenothiazinium photosensitizer to develop a tumor micro-environment-responsive photosensitizer NBS-L-AX. In normal cells, the special geometry of NBS-L-AX causes the fluorescence and photodynamic therapeutic (PDT) effect of NBS-L to be quenched. In cancer cells, when allowed to interact with the
AX11890是一种在某些乳腺癌中过表达酶 K
IAA1363 的
抑制剂,它与苯并[ a ]
吩噻嗪光敏剂偶联,开发出肿瘤微环境响应光敏剂
NBS-L-AX。在正常细胞中,
NBS-L-AX的特殊几何形状导致
NBS-L 的荧光和光动力治疗 (PDT) 效应被淬灭。在癌细胞中,当允许与酶 K
IAA1363 相互作用时,
NBS-L-AX的几何形状发生变化,使其变得荧光和光动力活性。因此,
NBS-L-AX材料可作为乳腺癌的活化显像剂和PDT治疗剂。此外,
NBS-L-AX对乳腺癌细胞也表现出选择性抑制作用。