上機(jī)檢測前,須用待測細(xì)胞制備質(zhì)控樣本來設(shè)定流式細(xì)胞儀的熒光補(bǔ)償和設(shè)置十字門的范圍: (I) 未轉(zhuǎn)染GFP等標(biāo)記的細(xì)胞 ① 空白管:陰性對照組細(xì)胞,沒有染色的細(xì)胞。不加Annexin V/APC,Nuclear Green 。用于調(diào)節(jié)電壓。 ② 單染管:有明顯凋亡的細(xì)胞,只加Annexin V/APC染色。用于調(diào)節(jié)補(bǔ)償。 ③ 單染管:有明顯凋亡的細(xì)胞,只加Nuclear Green 染色。用于調(diào)節(jié)補(bǔ)償 ④ 檢測管:待測的處理細(xì)胞,加Annexin V/APC,Nuclear Green 。用空白管和單陽管調(diào)節(jié)好電壓補(bǔ)償后,獲得所需要的流式數(shù)據(jù)。
(II) 轉(zhuǎn)染GFP細(xì)胞 ① 未轉(zhuǎn)染空白管:未轉(zhuǎn)染細(xì)胞,陰性對照組細(xì)胞,沒有染色的細(xì)胞。不加Annexin V/APC,Nuclear Green 。用于調(diào)節(jié)電壓。 ② 轉(zhuǎn)染GFP空白管:轉(zhuǎn)染GFP的對照組細(xì)胞,沒有染色的細(xì)胞。不加Annexin V/APC,Nuclear Green 。用于調(diào)補(bǔ)償 ③ 未轉(zhuǎn)染單染管:未轉(zhuǎn)染且有明顯凋亡的細(xì)胞,只加Annexin V/APC染色。用于調(diào)節(jié)補(bǔ)償。 ④ 未轉(zhuǎn)染單染管:未轉(zhuǎn)染且有明顯凋亡的細(xì)胞,只加Nuclear Green 染色。用于調(diào)節(jié)補(bǔ)償 ⑤ 檢測管:待測的處理細(xì)胞,加Annexin V/APC,Nuclear Green 。用空白管和單陽管調(diào)節(jié)好電壓補(bǔ)償后,獲得所需要的流式數(shù)據(jù)。
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