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CNT facilitated macrophage polarizing towards M2 phenotype in vitro. (A) Flow cytometry analysis and quantification of the percentage of CD163 positive cells. (B) qPCR results of the relative expressions of M2 markers, including Arg1, Mrc1, Retnla, and Chi3l3. (C) ELISA assays of the levels of IL-6, TNF-α and IL-10 in cell supernatants. Data were expressed as mean ± SD.
Abbreviations: Con, control; CNT-L, low dose of CNT; CNT-H, high dose of CNT.
