[求救] A549 cell的trnasfection
我是用invitrogen的lipofectamine 2000
在6cm dish中做transfection
條件:
A549 cell confluency>90%
lipofectamine reagent 20ul
pCMV-HA tag-insert cDNA 約10.4kb
送入8ug (8ul, 260/280=1.87)
DMEM+DNA 8ul ->RT 5min
-----> mix RT 20min 慢慢滴入細胞
DMEM+reagent 20ul ->RT 5min
在sreum- and P/S-free 的DMEM中進行transfection
5hr 及 24hr之後換成含serum的medium
換medium後的14hr harvest cell
做western blotting detect HA-tag
都沒有detect到東西= =
有沒有板友可以給些建議
萬分感謝
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