丝裂霉素C在青光眼手术中的应用

丝裂霉素C是目前临床上广为推崇的治疗难治性青光眼的有效方法。现就丝裂霉素C的作用机制、特点、并发症及当前研究进展做一简要概述。

氨磷汀对化疗药物抗宫颈癌HeLa细胞的影响

目的:评价氨磷汀(amifostine)对不同化疗药物抗宫颈癌HeLa细胞的影响。方法:用MTT法分别测定顺铂、长春新碱、依托泊甙和丝裂霉素对体外培养的HeLa肿瘤细胞系的抑制作用,实验组加化疗药前30 min经600 mg.L-1氨磷汀处理,对照组则只用化疗药物处理,余同实验组,培养后比较两组细胞增殖的抑制率。结果:用氨磷汀在体外加药前30 min加入HeLa肿瘤细胞的实验组,与对照组比较,两组肿瘤细胞抑制率无显著性差异(P>0.05)。结论:氨磷汀不影响顺铂、依托泊甙、丝裂霉素和长春新碱对HeLa肿瘤细胞的抑制作用。

氨磷汀对化疗药物抗卵巢癌细胞的影响

目的评价细胞保护剂氨磷汀(amifostine)对不同化疗药物抗卵巢癌细胞的影响。方法用MTT法分别测定顺铂、长春新碱、依托泊甙和丝裂霉素对体外培养的Ho-8910肿瘤细胞系的抑制作用,实验组加化疗药前30 min经600mg.L-1氨磷汀处理,对照组不用氨磷汀处理,余同实验组,培养后比较两组细胞增殖的抑瘤率。结果实验组与对照组比较,两组肿瘤细胞抑制率无显著性差异(P>0.05)。结论氨磷汀不影响顺铂、依托泊甙、丝裂霉素和长春新碱对Ho-8910肿瘤细胞的抑制作用。

EXPERIMENTAL STUDY OF INTRATUMOR INJECTION WITH GELATIN MICROSPHERES CONTAINING ^(131)I AND MITOMYCIN C IN IMPLANTED HEPATOMA-22 IN MICE

The experiment of intratumor injection with gelatin microsphere containing 131I and mitomycin C (131I-MMC-GM) into implanted hepatoma-22 In mice is reported. Seventy Bal B/C mice were grouped into A, B, C, and D. Intratumor injection were given as follows: (A) 131I-MMC-GM, (B) 131I solution; (C) mitomycin C solution; (D) untreated control. The tumor-regression rates of the Group A, B and C as compared to Group D were 58. 7% , 23. 9% and 25. 4%. The average life times of Group A, B, C and were 40. 5, 25. 5, 24. 5 and 17. 1 days. Radioactivity counts in tumors and other organs in group A and B were measured with Y-Counter, which showed that 131I was concentrated in tumors in Group A but it was very low in other organs. The study showed that 131I-MMC-GM is effective and safe anticancer agent, intratumor injection with 131I-MMC-GM will be a promising therapy for the treatment of hepatoma.