Female human iPS cells retain an inactive X-chromosome

Comparison of human iPSC lines, ESC and fibroblasts to determine their expression patterns. All early passage female lines profiled expressed XIST RNA which is an indicator of an inactive X chromosome. Genes on the X-chromosome were also analyzed for overall levels of gene expression compared to human fibroblasts.

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Tchieu J, Kuoy E, Chin MH, Trinh H, Patterson M, Sherman SP, Aimiuwu O, Lindgren A, Hakimian S, Zack JA, Clark AT, Pyle AD, Lowry WE, Plath K