摘要
胰腺导管腺癌(PDAC)是世界范围内癌症相关疾病的主要原因之一。新的纳米技术支持的药物递送策略,包括化疗有效载荷的分子靶向,已经被考虑。然而,PDAC患者的总生存率并没有实现质的飞跃。这背后的主要原因之一是肿瘤结缔组织增生,肿瘤的致密和异质间质细胞外基质,恰当地称为肿瘤微环境(TME)。它占据了PDAC的大部分肿瘤肿块,在PDAC的肿瘤发病机制中起着关键作用,使PDAC成为基质最丰富的癌症之一。肿瘤与TME动态组分之间复杂的串扰影响肿瘤进展,并对药物递送构成潜在障碍。理解和破译肿瘤间质相互作用的复杂级联是迫切需要的,这样我们就可以开发出新的纳米载体来破坏基质并靶向肿瘤。纳米金刚石(NDs)由于其独特的表面特性,在各种临床前癌症模型中成为一种很有前途的纳米递送系统,并且有可能通过超越动态肿瘤基质屏障来递送化疗有效载荷。它可能是纳米颗粒介导的胰腺癌靶向治疗的下一个革命。
关键词: 胰腺导管腺癌、间质、胰腺星状细胞、癌相关成纤维细胞、分子靶向、纳米金刚石、结缔组织增生。
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