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Effects of PCP-Cs before and after protection on ROS expression in HK-2 cells. (a, b) Effects of COOH content in PCP-Cs. Polysaccharide concentration: 100 μg/mL. (c) Effect of PCP-C1 concentration. NC: normal control group; DC: injury control group. Oxalate concentration: 2.8 mM. Injury time: 3.5 h. Protection time: 12 h.
