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. 2022 Aug 16;13:907980. doi: 10.3389/fphar.2022.907980

FIGURE 2.

FIGURE 2

Abelmoschus manihot L. flower (TEA) can alleviate uric acid (UA)-induced NRK-52E cell injury. (A) Effect of UA and TEA on morphological changes. NRK-52E cells were treated with UA and TEA for 24 h. Cell morphology was analyzed using phase-contrast microscopy (magnification, ×100). (B) Effects of TEA on cell viability. NRK-52E cells in 96-well plates were treated with TEA and UA for 24 h. Cell viability was evaluated using a CCK-8 assay. Data are expressed as the percentages of living cells versus the control group (CONT, 0 μg/ml) (means ± SD, n = 3 in each group). ∗∗∗p < 0.001 versus the CONT group; or ###p < 0.001 versus UA group in CONT. (C) Living and dead cells were stained with calcein-AM or PI and then visualized by inverted fluorescence microscopy (magnification, ×200). The cells emitting green fluorescence were living cells, and those emitting red fluorescence were dead cells.