Complete genetic correction of ips cells from Duchenne …

Posted: January 20, 2015 at 7:43 am

Characterization of mdx-iPS with DYS-HAC. (a) Morphology of mdx-MEF, mdx-iPS, and mdx-iPS (DYS-HAC) cells. Phase-contrast (left panel) and GFP-fluorescence (right panel) micrographs are shown. (b) Genomic PCR analyses for detecting DYS-HAC in mdx-iPS cells. (c) FISH analyses for mdx-iPS (DYS-HAC) cells. An arrow indicates the DYS-HAC and the inset shows an enlarged image of the DYS-HAC. (d) RT-PCR analyses of ES cellmarker genes, four exogenous transcription factors, and human dystrophin. EGFP and Nat1 were used as internal controls. Primers for DYS 6L/6R, 7L/7R, and 8L/8R detected the isoform of dystrophin expressed in ES and iPS cells. (e) Immunohistochemical analyses of dystrophin in muscle-like tissues of each teratoma. Immunodetection of mouse and human dystrophin (left panel), immunodetection of human-specific dystrophin (middle panel), and GFP micrography (right panel) are shown. The insets show enlarged images of immunohistochemistry. Nanog-iPS- and mdx-iPS-derived teratomas were used as positive and negative controls, respectively. CHO, Chinese hamster ovary; EGFP, enhanced green fluorescent protein; GFP, green fluorescent protein; HAC, human artificial chromosome; iPS, induced pluripotent stem cells; MEF, mouse embryonic fibroblast.

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Complete genetic correction of ips cells from Duchenne ...

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