Induced pluripotent stem cell (iPS) technology: promises and challenges |
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Authors: | Miguel A Esteban Yi Gan DaJiang Qin DuanQing Pei |
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Institution: | (1) Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institute of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510663, China |
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Abstract: | In 2006, an article published in Cell by Shinya Yamanaka took by surprise the stem cell research community. By performing
systematic retroviral transduction of factors enriched in embryonic stem (ES) cells, the authors demonstrated the reprogramming
of mouse fibroblasts into an ES cell-like state. These cells, baptized iPS (induced pluripotent stem) cells, were immediately
recognized as a ground-breaking discovery. Subsequently, the same authors and other groups reported a similar achievement
with human fibroblasts. Two years later, the number of top quality papers on iPS is astonishing, and interest in the scientific
community has risen to a fever pitch. But although iPS has the potential to revolutionize Regenerative Medicine, important
questions still remain unanswered. Work from multiple laboratories worldwide including ours is focused on deciphering the
molecular mechanisms of iPS, and trying to improve the technique to make it suitable for the clinic. In this review article
we briefly discuss the past, present and future of iPS, with emphasis on urgent issues to be solved.
Supported by the National Nature Science Foundation of China (Grant Nos. 30725012, 30630039 and 90813033), Knowledge Innovation
Project of Chinese Academy of Sciences (Grant No. KSCX2-YW-R-48), National Key Basic Research and Development Program of China
(Grant Nos. 2006CB701504, 2006CB943600, 2007CB948002, 2007CB947804. 2007CB947900) and Guangzhou Science and Technology Development
Funds (Grant No. 2008A1-E4011) |
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Keywords: | self renewal pluripotency embryonic stem cells induced pluripotent stem cells |
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