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. Author manuscript; available in PMC: 2015 May 1.
Published in final edited form as: Clin Immunol. 2014 Mar 19;152(0):101–110. doi: 10.1016/j.clim.2014.03.003

Figure 2. The expression levels of IFN-γ receptor (R) 1 and 2 on monocytes are higher in older adults than in young adults.

Figure 2

PBMCs from young and older adults were stained with antibodies to CD14, CD16, IFN-γR1, R2 or isotype control. The expression of IFN-γR1 and R2 on monocytes (CD14+CD16−) was measured by flow cytometry. (A) Representative histograms showing the expression of IFN-γR1 on monocytes. (B) Mean fluorescent intensity (MFI) of IFN-γR1 expression on monocytes in young and older adults. (C) Representative histograms showing the expression of IFN-γR2 on monocytes. (D) MFI of IFN-γR2 expression on monocytes in young and older adults. Data from 17 young and 17 older adults for B, and 14 young and 9 older adults for D. Bars and error bars indicate mean and standard error of the mean (SEM), respectively. P values were obtained by the Student’s t test.