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. Author manuscript; available in PMC: 2014 Feb 1.
Published in final edited form as: Am J Geriatr Psychiatry. 2013 Apr 3;22(2):177–185. doi: 10.1016/j.jagp.2012.08.017

FIGURE 2. Characterization of ACE activity in the serum samples.

FIGURE 2

6-µL human serum was incubated with fluorogenic substrates specific for either ACE N-domain (A) or C-domain (B) at 37°C for 24 hours and the generated fluorescence were measured. The ApoE4 status and ACE inhibitor usage for each subgroup are illustrated. Mean ± SD of fluorescence with t test used to compare the differences between any two subgroups, DF = 1 and p values for the statistical significance are shown.