摘要
为研究人白血病细胞在胸腺缺陷裸小鼠的成瘤性,采用体内和体外传代相结合的方法建立了裸小鼠高成瘤性的HL60-n和K562-n细胞系。HL60-n和K562-n细胞接种裸小鼠的肿瘤发生数均为8/8,较HL60和K562细胞明显增高。实验还证明HL60-n和K562-n细胞在软琼脂培养的集落形成率及大集落(>200个细胞)的比例均较HL60和K562细胞显著增高,提示白血病细胞在裸小鼠体内的成瘤性增强与体外培养的集落形成能力增高有关。
Twohumanleukemiccellines,HL60-nandK562-nwhichhavehightumorigenicityinnudemicewereestablishedbyserialpassageinvivoandinvitro.Althenudemiceinoculatedwitheitherofthecelsdevelopedtumors.Insoftagarcultures,thecolony-formingeficiencyandpercentageoflargecolony(>200cels)ofHL60-nandK562-ncelswereincreasedsignificantlyascomparedwiththoseoftheirparentalcellines.Theresultsindicatedthattheinvitrocolony-formingcapacityofleukemiacelsmightreflecttheirinvivotumorigenicityinnudemice.
出处
《中华血液学杂志》
CAS
CSCD
北大核心
1996年第3期142-145,共4页
Chinese Journal of Hematology