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Effects of PTX treatment on mitochondrial biogenesis in the SN in aged rats. (A–C) PGC-1α, NRF-1, and TFAM mRNA levels were detected by qPCR. (D–F) Representative Western blots of PGC-1α, NRF-1, and TFAM protein levels. (G–I) PGC-1α, NRF-1, and TFAM protein levels were quantified relative to β-actin band density. Data are expressed as the mean ± S.D. (n=6 rats/group). *P<0.05, **P<0.01.
