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Fig1:Infection efficiency of Ad-Fos in CGNs. DIV5 CGNs were infected with Ad-Fos at MOI of 100. Thirty six hours after infection phase-contrast light and fluorescent micrographs of the infected cells were visualized. The cells infected with Ad-Fos were fixed and were stained with a Flag-specific M2 antibody or without a primary antibody (-1¡ã). Infection efficiency of adenovirus is about 80%.