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. Author manuscript; available in PMC: 2010 Jul 9.
Published in final edited form as: Virology. 2008 May 5;376(2):258–269. doi: 10.1016/j.virol.2007.12.003

Fig. 8.

Fig. 8

Effects of reduced Id1 expression in soft agar assays. Equal numbers of Rat-1 stable cell lines expressing control siRNA (Sil-Neg.retro, columns A and B) or Id1 siRNA (Sil-Id1.retro, columns C and D) and transduced with LMP1-expressing retrovirus were seeded into soft agar assays and allowed to grow for 10 to 14 days. Wells were examined by phase contrast (columns A and C) and fluorescence microscopy (columns B and D) for colony formation at 10×low power. Randomly selected fields containing one or more colonies are depicted.