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The ALDH2 expression of cardiac fibroblasts detected by double-label immunofluorescence-staining technique (magnification ×100) (a). Red fluorescence-positive cells indicated that ALDH2 was expressed in CFs. The mRNA (b) and protein (c) expressions of ALDH2 were detected by RT-PCR and Western blot in three different batches of CFs. GAPDH was used as a loading control.
