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Figure 2 | BMC Medical Genomics

Figure 2

From: Dual exon skipping in myostatin and dystrophin for Duchenne muscular dystrophy

Figure 2

Myostatin exon 2 skip in several myotubes cultures. Human primary control (KM109) and DMD patient derived- (DL589.2) myoblasts were differentiated for 7 days before transfection with MSTN AON. Immortalized control (7304.1) myoblasts were differentiated for 2-3 days. A non-targeting, fluorescently-labeled AONs were transfected as control. Fluorescent nuclei were observed three hours post-transfection (A). RNA was isolated 2 days post-transfection. cDNA was synthesized using random hexamer (N6) primers and subjected for PCR using primers in exon 1 and 3 (B). Note the inverse dose-dependent skips in KM109 samples. Skip fragment was confirmed by sequencing analysis (C). Quantitative real-time PCR was performed using primers in MSTN exon 1 and 2, thereby depicting the expression of remaining full length or non-skipped transcript (D). Data are means ± SD from 3 to 4 independent experiments. Expression was normalized with GAPDH. Statistical analysis was performed using Student's t-test, using the 500 nM control AON-transfected samples as reference. *P < 0.05

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