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. 2009 Mar 31;100(8):1320–1329. doi: 10.1038/sj.bjc.6605010

Figure 5.

Figure 5

BCL6 interacts with HB-EGF-CTF and is degraded through the ubiquitin/proteasome pathway. (A) After treatment with 200 nM TPA for the indicated periods, HB-EGF-CTF was immunoprecipitated from an extract of MKN45 cells with anti-HB-EGF-CTF antibody and subsequently divided into two equal aliquots. One aliquot was subjected to western blotting with an anti-BCL6 antibody, and the second aliquot was subjected to western blotting with anti-HB-EGF-CTF antibody to control for loading. (B) After treatment with 200 nM TPA for the indicated periods, BCL6 was immunoprecipitated from an extract of MKN45 cells with anti-BCL6 antibody and subsequently divided into two equal aliquots. One aliquot was subjected to western blotting with an anti-ubiquitin antibody, and the second aliquot was subjected to western blotting with anti-BCL6 antibody to control for loading. M, size markers.