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(A–C) the immunofluorescence and immunohistochemical micrograph of collagen Ⅳ, LN and α-SMA. (D) Quantitative assay of cytokines in NK, FK, NS and FS. The level of HGF, VEGF, TGF-β, FGF and PDGF in four groups in the legend were determined. NK: Normal kidneys; FK: Fibrotic kidneys; NS: Normal Scaffolds; FS: Fibrotic Scaffolds.
