Journal
JOURNAL OF BIOLOGICAL CHEMISTRY
Volume 285, Issue 40, Pages 31002-31010Publisher
AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC
DOI: 10.1074/jbc.M110.136085
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Funding
- 973 Program [2006CB944003, 2007CB947702]
- 863 Program [2006AA02A101]
- National Science Foundation of China [30525040]
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Somatic cell nuclear transfer (SCNT) has shown tremendous potential for understanding the mechanisms of reprogramming and creating applications in the realms of agriculture, therapeutics, and regenerative medicine, although the efficiency of reprogramming is still low. Somatic nucleus reprogramming is triggered in the short time after transfer into recipient cytoplasm, and therefore, this period is regarded as a key stage for optimizing SCNT. Here we report that CBHA, a histone deacetylase inhibitor, modifies the acetylation status of somatic nuclei and increases the developmental potential of mouse cloned embryos to reach pre- and post-implantation stages. Furthermore, the cloned embryos treated by CBHA displayed higher efficiency in the derivation of nuclear transfer embryonic stem cell lines by promoting outgrowths. More importantly, CBHA increased blastocyst quality compared with trichostatin A, another prevalent histone deacetylase inhibitor reported previously. Use of CBHA should improve the productivity of SCNT for a variety of research and clinical applications, and comparisons of cells with different levels of pluripotency and treated with CBHA versus trichostatin A will facilitate studies of the mechanisms of reprogramming.
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