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. 2008 Jun 27;1:29. doi: 10.1186/1755-8794-1-29

Figure 4.

Figure 4

Supervised hierarchical grouping based on differentially expressed genes between normal/HPV16-immortalized keratinocytes and HPV 18-immortalized ones after treatment with TNF for 3 hours. High gene expression is shown in red, low gene expression is shown in green and black indicates non-differential gene expression. Samples: Primary human keratinocytes: controls and treated for 3 hours with TNF, respectively (PHK_3H, PHK_3H.TNF); HPV16-immortalized keratinocytes: controls and treated for 3 hours with TNF, respectively (HPV16_3H, HPV16_3H.TNF); HPV18-immortalized keratinocytes: controls and treated for 3 hours with TNF, respectively (HPV18_3H, HPV18_3H.TNF).