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. Author manuscript; available in PMC: 2016 Feb 12.
Published in final edited form as: Cell Physiol Biochem. 2015 Aug 28;37(2):419–431. doi: 10.1159/000430365

Figure 2.

Figure 2

Concentration-associated dual effects of free cholesterol loading on macrophage viability. A: Absorbance readings showed that the relative production of the formazan metabolite increased from 1.0 in control to 1.40 ± 0.14 at 20 μg/ml of free cholesterol and then gradually decreased to 0.92 ± 0.08 at 60 μg/ml of cholesterol. B: Flow cytometry readings of relative viable macrophage numbers showed a concentration-associated pattern of change similar to that of formazan metabolite production presented in A. (P<0.05, *: vs. 0 group; #: vs. 20 μg/ml group, n = 7).