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Western blot analysis of Bcl-2 (A), Bax (B), Bak (C), and p21waf1 (D) in the H460 cell line and Fhit transfected clones 2.I and 2.3. Expression levels of Bak and p21waf1 proteins were normalized on actin expression in the same lane. FBS-, cells cultured without FBS.
