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J Biol Chem. 2012 Nov 9;287(46):38970-9. doi: 10.1074/jbc.M112.380204. Epub 2012 Sep 27.

Aberrant gene expression profiles in pluripotent stem cells induced from fibroblasts of a Klinefelter syndrome patient.

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1
Key Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Jiao Tong University School of Medicine and Shanghai Institutes of Biological Sciences, Chinese Academy of Sciences, Shanghai, 200025, China.

Abstract

Klinefelter syndrome (KS) is the most common male chromosome aneuploidy. Its pathophysiology is largely unexplained due to the lack of adequate models. Here, we report the derivation of induced pluripotent stem cell (iPSCs) lines from a KS patient with a karyotype of 47, XXY. Derived KS-iPSCs meet all criteria of normal iPSCs with the potential for germ cell differentiation. Although X chromosome inactivation occurs in all KS-iPSCs, genome-wide transcriptome analysis identifies aberrantly expressed genes associated with the clinical features of KS. Our KS-iPSCs can serve as a cellular model for KS research. Identified genes may become biomarkers for early diagnosis or potential therapeutic targets for KS and significantly accelerate the understanding, diagnosis, and treatment of Klinefelter syndrome.

PMID:
23019320
PMCID:
PMC3493938
DOI:
10.1074/jbc.M112.380204
[Indexed for MEDLINE]
Free PMC Article
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