One-step TUNEL In Situ Apoptosis Kit (Red, Elab Fluor® 555)

货号：GCQ0052

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检测原理	细胞在发生凋亡时，会激活一些特异性的DNA内切酶，这些内切酶会切断核小体间的基因组DNA。使得凋亡细胞的DNA被切割成180~200bp片段，在琼脂糖凝胶上通常以180~200bp的阶梯状迁移。TdT酶（脱氧核糖核酸末端转移酶）将标记的dUTP连接到断裂DNA暴露的3'-OH末端，通过在这些末端添加荧光dUTP的方式来标记晚期凋亡细胞，从而可以通过荧光显微镜进行检测。
检测方法	荧光法
样本类型	石蜡切片;冰冻切片;细胞爬片;细胞涂片
检测时间	3 hours
检测仪器	荧光显微镜
荧光	Elab Fluor®555
Ex/Em	555/565
Filter set	TRITC
自备试剂	4%多聚甲醛(E-IR-R113),0.2% Triton X-100(E-IR-R122),PBS(E-BC-R187),ddH2O,含抗荧光淬灭剂的封片液(E-IR-R119),二甲苯,无水乙醇
保存温度	该产品可在-20°C避光条件下保存12个月。
有效期	12个月
运输条件	冰袋

Paraffin embedded rat heart was treated with DNase I to fragment the DNA. DNA strand breaks showed intense fluorescent staining in DNase I treated sample (red). The cells were counterstained with DAPI (blue).This photo was taken by confocal microscope.

Paraffin embedded rat kidney was treated with DNase I to fragment the DNA. DNA strand breaks showed intense fluorescent staining in DNase I treated sample (red). The cells were counterstained with DAPI (blue).

Paraffin embedded mouse liver was treated with DNase I to fragment the DNA. DNA strand breaks showed intense fluorescent staining in DNase I treated sample (red). The cells were counterstained with DAPI (blue).

Fluorescence microscope analysis of camptothecin-induced apoptosis of Hela cells.

Mixed samples of normal mouse spleen cells and DNase I treated mouse spleen cells were stained.

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