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. Author manuscript; available in PMC: 2012 May 16.
Published in final edited form as: Chem Res Toxicol. 2011 Apr 14;24(5):651–662. doi: 10.1021/tx100355a

Figure 5. 4-HNE covalently modifies and inhibits rSIRT3.

Figure 5

(A) Covalent modification of rSIRT3 by 4-HNE increases in a concentration-dependent manner, as determined by western blot. (B) rSIRT3 activity is inhibited in a concentration-dependent manner, showing a 13% decrease (p < 0.01) in activity at 5 µM 4-HNE and a 20% decrease (p < 0.01) in activity upon exposure to 10 µM 4-HNE. Error bars represent SEM.