... FEBS Journal 277 (2 010 ) 12 02 12 18 ª 2 010 The Authors Journal compilation ª 2 010 FEBS Transcriptional activation of p15INK4b C.-T Hu et al 12 13 14 15 16 17 18 19 20 21 22 23 of embryonic stem cell-derived ... activity of p15INK4b was higher than in the parental cell [17 ] Thus FEBS Journal 277 (2 010 ) 12 02 12 18 ª 2 010 The Authors Journal compilation ª 2 010 FEBS 12 11 Transcriptional activation of p15INK4b C.-T ... promoter within p15–pro4 61, and p15–pro77 contains 77 bp in the proximal part of the promoter within p15–pro228 As demonstrated in Fig (right), p15–profull, p15– pro4 61, p15–pro228 and p15–pro233...