Dihydrocytochalasin B (H2CB) 是一种细胞分裂抑制剂,抑制胞质分裂并改变细胞的形态,破坏 Swiss/3T3 小鼠成纤维细胞的肌动蛋白结构,抑制血清生长因子在静止培养物中刺激 DNA 合成的能力,瓦解肌动蛋白细胞结构并抑制 3T3 细胞中 DNA 合成的启动。低剂量的 H2CB 会导致细胞变圆和肌动蛋白微丝束的丢失。
Sdz 280 446 is one of the most active cyclopeptolide of many resistance-modifying agents in restoring rhodamine-123 retention within multidrug-resistant P388 cells.
A 30312 is a fused indole, which overcomes multidrug resistance in P388/Adr cells in vitro. It potentiates the cytotoxicity of the antitumor drugs Adriamycin, vincristine and vinblastine in multidrug-resistant cells with no effect on drug-sensitive parent P388 cells.
PD 116152 is a highly substituted phenazine with antitumor activity isolated from the culture broth of a Streptomyces sp. The antitumor activity versus murine P388 leukemia is T/C 149. PD 116152 is selectively active versus the bacterium Streptococcus pne
MS-073 (CP-162398) is a P-glycoprotein inhibitor (P-gp). The in vitro resistance to vincristine (VCR) was almost completely reversed in VCR-resistant P388 cells, and the resistance of VCR, adriamycin (ADM), etoposide, and actinomycin D in ADM-resistant hu