Novel Therapy with Hybrid Liposomes for Orthotopic Graft Mouse Models of Glioblastoma

Keiji Kuwabara, H. Ichihara, Y. Matsumoto
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Abstract

Hybrid Liposomes (HL25) composed of 90 mol% L-a-Dimyristoylphosphatidylcholine (DMPC) and 10 mol% polyoxyethylene(25) dodecyl ethers (C12(EO)25) were found to fuse and accumulate in the cell membranes of human brain tumor, glioblastoma, (U-87MG) cells and inhibit their growth. HL25 induced apoptosis in U-87MG cells via the release of AIF under a caspase-independent pathway. HL25 inhibited tumor enlargement in orthotopic graft mouse models of glioblastoma after crossing the blood-brain barrier.
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用杂交脂质体治疗小鼠胶质母细胞瘤模型
由90 mol% l -a-二myristoylphosphatidycholine (DMPC)和10 mol%聚氧乙烯(25)十二烷基醚(C12(EO)25)组成的杂种脂质体(HL25)在人脑肿瘤、胶质母细胞瘤(U-87MG)细胞的细胞膜中融合积累,抑制其生长。HL25通过caspase非依赖性途径释放AIF诱导U-87MG细胞凋亡。HL25在穿过血脑屏障后抑制胶质母细胞瘤原位移植小鼠模型的肿瘤增大。
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