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The study on development of implanted breast cancer and lung metastasis in mouse
Author(s): 
Pages: 66-68
Year: Issue:  1
Journal: JOURNAL OF TIANJIN MEDICAL UNIVERSITY

Keyword:  流式细胞仪小鼠移植性乳腺癌生长进展肺转移;
Abstract: 目的:小鼠转移性乳腺癌的发展与肺转移的关系.方法:应用流式细胞仪(Flow cytometry,FCM)动态检测小鼠移植性乳腺癌细胞DNA指数(DNA index,DI)、S期细胞百分率(S-phase fraction,SPF)、DNA倍体,并分析上述3种指标与移植天数及肺转移的关系.结果:(1)SPF随移植天数增加而减少,二者间呈负的直线关系(r=0.611,P=0.014).(2)肺转移前后DI有显著性差异,肺转移前DI高于肺转移后DI.(3)小鼠移植瘤的DI与移植天数间无直线关系,但存在一个趋势即自移植后第10日起DI呈上升趋势直至第36天,而后逐渐下降至实验结束.(4)肺转移前后SPF无显著性差异.(5)DNA倍体在肺转移前多表现为二倍体,在肺转移后表现为异倍体,后期又表现为二倍体.结论:用流式细胞仪分析小鼠移植性乳腺癌生长与肺转移的关系对临床研究有重要的意义.
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