[求救] 請教transfection失敗的原因
請教各位先進,
我想要knockdown Axl(屬於一種receptor tyrosine kinase),
使用plasmid pLKO.1與Polyjet(一種reagent),
實驗分成control(不處理), scramble control(空的vector), knockdown
結果相較於control,scramble control與knockdown這兩組的Axl(target gene)都有
下降(但我預期看到的是僅僅knockdown這組有下降)
想請問可能的原因有哪些?
PS:
(1)scramble control學理上要放non-target sequence,但實驗室沒有這種control
(2)先前實驗室有做過GFP測試是OK的,約在transfection 24小時候收細胞
(3)transfection時間的排程:如今天下午五點transfect(plasmid與polyjet in
serum-free medium, 然後放入有serum的medium 1cc),明天下午早上八點換medium,
後天早上八點收細胞,通常都會看到有transfect的組別細胞會死3-5成
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