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. 2014 Jul 31;15(8):13388–13400. doi: 10.3390/ijms150813388

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© 2014 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Cytochrome c and cleaved caspase-9 levels in the cytosolic and mitochondrial fractions. Equal amounts of protein (20 µg) were loaded into each well. (A) cytochrome c could be hardly traced in the cytosolic fraction; (B) Cytochrome c level in the mitochondrial fraction. VDAC served as an internal protein loading control for mitochondrial fraction; (C) A bar graph showing semiquantitative band intensity ratio between cytochrome c and VDAC. Groups with same letter labeled on the top of each column indicate no significant difference (p > 0.05) in the mitochondrial fraction; (D) Cleaved caspase-9 in the cytosolic fraction. β-actin served as an internal protein loading control; (E) A bar graph showing semiquantitative band intensity ratio between cleaved caspase-9 and β-actin. Groups with same letter labeled on the top of each column indicate no significant difference (p > 0.05).