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. 2012 Feb 16;23(6):635–646. doi: 10.1089/hum.2011.186

FIG. 1.

FIG. 1.

X-linked inhibitor of apoptosis protein (XIAP) levels and caspase-3/7 activity in human heart failure. (A) Quantitation of XIAP Western blot as determined by densitometry analysis and expressed as raw optical units (ROU) normalized to actin levels. (B) Antibody array approach showing XIAP levels from four nonfailing (NF) and four failing (F) human hearts. Duplicate spots are presented for each heart. (C) Quantitation of antibody arrays by densitometry analysis, and expressed as raw optical units. (D) Caspase-3/7 activity in lysates from human nonfailing LV myocardium (NF) or failing human myocardium (F), and expressed as relative light units normalized for total protein. Bars represent the standard deviation; *p<0.05.