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细胞名称 MCF7
种属
组织来源 乳腺腺癌
形态特点 上皮细胞
致瘤性 +
产物或抗原 产生胰岛素样生长因子结合蛋白(IGFBP)BP-2,BP-4,BP-5;血型抗原O,Rh+;
受体 雌激素受体+
癌基因 Wnt7h+
同工酶 PGM3, 1; PGM1, 1-2; ES-D, 1-2; AK-1, 1; GLO-1, 1-2; G6PD,B
染色体核型 The stemline chromosome numbers ranged from hypertriploidy to hypotetraploidy, with the 2S component occurring at 1%. There were 29 to 34 marker chromosomes per S metaphase; 24 to 28 markers occurred in at least 30% of cells, and generally one large submetacentric (M1) and 3 large subtelocentric (M2, M3, and M4) markers were recognizable in over 80% of metaphases. No DM were detected. Chromosome 20 was nullisomic and X was disomic.
生长特性 粘附
文献评价 MCF7细胞系表现出分化的乳腺上皮细胞的一些特征,包括通过胞浆雌激素受体呈递雌二醇和形成dome等。MCF7细胞系包含Tx-4癌基因。肿瘤坏死因子α(TNFα)抑制MCF7细胞系的生长。抗雌激素处理可以调节IGFBP的分泌;MCF7细胞系caspase3基因的第3外显子有47bp缺失,导致在成熟mRNA剪接过程中整个第3外显子缺失;第3外显子含有125bp,读码框架的改变使得蛋白质翻译过程提前终止,因此MCF7细胞系不能检测到caspase3蛋白的表达;Caspase3的缺失使得MCF7细胞对各种化疗药物诱导的凋亡十分不敏感,重建caspase3可以增强MCF7细胞对化疗药物的敏感性
传代 吸去培养基,用0.25%胰酶、0.03%EDTA溶液漂洗一遍;吸去漂洗液,加入1-2ml胰酶/EDTA溶液,室温(或37℃)放置至细胞从培养瓶脱落。加入新鲜培养基,吹匀,分至新的培养瓶中。推荐使用1∶3-1∶6的比例传代;
培养基更换 每周2-3次;
冻存液 培养基 95%; DMSO, 5%;
培养条件 ATCC培养基;MEM Eagle(2mM L-谷氨酰胺,1.5g/L碳酸氢钠,0.1 mM非必需氨基酸,1.0 mM丙酮酸钠,0.01mg/ml牛胰岛素,90%;胎牛血清,10%;
参考文献 CANCER RESEARCH 61, 348-354, January 1, 2001
THE JOURNAL OF BIOLOGICAL CHEMISTRY Vol. 273, No. 16, Issue of April 17, pp. 9357-9360, 1998
THE JOURNAL OF BIOLOGICAL CHEMISTRY Vol. 276, No. 4, Issue of January 26, pp. 2935-2942, 2001
THE JOURNAL OF BIOLOGICAL CHEMISTRY Vol. 276, No. 14, Issue of April 6, pp. 10759-10766, 2001
The Journal of Cell Biology, Volume 148, Number 6, March 20, 1239-1254,2000
备注 文献报道酚红有弱的雌激素作用,推荐MCF7细胞培养采用不含酚红的培养基;
更新时间 2002.4.1
王莺整理