发货周期:
干冰冻存管运输3天(1x106cells/冻存管x2)
常温运温1-2周发货 (1x106 cells/T25培养瓶)
该细胞由CollinsSJ从一位患有急性早幼粒细胞性白血病的36岁白人女性的外周血中分离建立;可自发分化,或在丁酸盐、次黄嘌呤、佛波醇肉豆蔻酸(PMA,TPA)、DMSO(1%to1.5%)、放线菌素D和视黄酸的刺激下发生分化;PMA刺激后可分泌TNF-α。该细胞具有吞噬活性和趋化反应,癌基因myc阳性,表达补体受体和FcR。
细胞名称:人原髓细胞白血病细胞(STR鉴定正确)
细胞简称:HL-60
产品货号:TCH-C204
种属来源:人
组织来源:外周血
疾病特征:急性粒-单核细胞白血病
细胞形态:髓母细胞样
生长特性:悬浮生长
培养体系:IMDM+20%FBS+1%P/S
配套培养基货号:TCH-G204
传代比例:1:3-1:6,每2-3天换液一次
传代周期:48-72 h
培养条件:气相:95%空气+5%CO2,温度:37℃
冻存条件:60%基础培养基+30%FBS+10%DMSO,液氮储存
质量检测:细菌、真菌、支原体检测均为阴性
参考文献:
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Collins SJ, et al. Terminal differentiation of human promyelocytic leukemia cells induced by dimethyl sulfoxide and other polar compounds. Proc. Natl. Acad. Sci. USA 75: 2458-2462, 1978. PubMed: 276884
Collins SJ, et al. Continuous growth and differentiation of human myeloid leukaemic cells in suspension culture. Nature 270: 347-349, 1977. PubMed: 271272
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Mao M, et al. RIG-E, a human homolog of the murine Ly-6 family, is induced by retinoic acid during the differentiation of acute promyelocytic leukemia cell. Proc. Natl. Acad. Sci. USA 93: 5910-5914, 1996. PubMed: 8650192
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HL-60细胞培养注意要点
(1) HL-60细胞在高密度下状态比较好,细胞状态好时会吸收一些细胞碎片;
(2) 低密度时细胞状态很差,传代比例要控制,当培养密度达到1x106/mL左右时可传代,细胞状态不好时后面传代可以不用离心;
(3) DMSO会对HL-60刺激分化,建议复苏马上离心去除DMSO;
(4) 培养过程中尽量不动或少动培养瓶;
(5) 血清质量差异可能引起细胞状态变化,建议选用高质量的胎牛血清。
HL-60细胞培养常见问题
1. HL-60严格来讲单个细胞,不成团;
2. 死细胞成团,死细胞释放DNA把细胞黏成团;
3. HL-60细胞生长慢、状态差的解决方法:
(1) 当细胞传代后生长速度慢且状态不佳时,可竖着培养直到培养基变黄,待细胞密度起来后,状态会有所好转。
(2) 若HL-60细胞状态很差,可采用半换液的方式:
以T25瓶子为例,瓶子里有5mL培养基,竖起瓶子静置一段时间(竖瓶前拍拍瓶子,让轻贴底部的细胞团浮起来),待细胞沉底(肉眼观察细胞沉底情况),小心吸出2.5mL的培养基,转移到离心管,离心800rpm 4min,用2.5mL新鲜培养基重悬后再放回原瓶。
收货当天如何处理细胞?
收到细胞后请务必仔细阅读产品资料,了解细胞相关信息,如贴壁特性 (贴壁/悬浮/半贴壁半悬浮)、细胞形态、培养体系、传代比例和换液频率等。