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. 2016 Jun 21;39(7):543–549. doi: 10.14348/molcells.2016.0050

Fig. 4.

Fig. 4.

APP overexpression reverses the effects of miR-144-3p overexpression on mitochondrial functions. APP was overexpressed after pCMV-APP transfection at mRNA (A) and protein (B) levels. (C) Quantitative analysis of Western strips confirmed the significantly increased expression of APP. (D) APP overexpression significantly decreased ATP level; APP overexpression also significantly reversed the miR-144-3p overexpression-induced ATP level under MPTP conditions. Similar results in cell viability indicated by MTT (E) and the relative copy number of mtDNA (F). The expression of PGC-1α (G), NRF-1 (H) and TFAM (I) was markedly suppressed by APP overexpression in the presence and absence of miR-144-3p overexpression. Each experiment was performed in triplicate. * and # represent p < 0.05; ** and ## represent p < 0.01; n.s. means no statistical significance.