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. 2023 Feb 27;37:03946320231161174. doi: 10.1177/03946320231161174

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© The Author(s) 2023

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 4. — The expression of surface and intracellular antigen molecules on/in NK cells incubated with apigenin for 72h. a, b, c, and d represent the expression of perforin, Gran B, NKG2D, and CD107a in/on NK cells with apigenin treatment, respectively. Representative dot plot depicting the expression percentage of surface and intracellular antigen molecules on/in NK cells in the three columns on the left (from left to right, isotype control, 0 μM control group, and 5 μM treatment group). In the rightmost column, histograms describing the expression of perforin, Gran B, NKG2D, and CD107a on/in NK cells treated with various concentrations of apigenin are shown. Data are displayed in mean ± SD. *p < 0.05, **p < 0.01 compared with the 0 μM control group.