PMID- 22029418 OWN - NLM STAT- MEDLINE DCOM- 20120403 LR - 20211203 IS - 2152-4998 (Electronic) IS - 2152-4971 (Linking) VI - 13 IP - 6 DP - 2011 Dec TI - Histone deacetylase inhibitor significantly improved the cloning efficiency of porcine somatic cell nuclear transfer embryos. PG - 513-20 LID - 10.1089/cell.2011.0032 [doi] AB - Valproic acid (VPA), a histone deacetylase inbibitor, has been shown to generate inducible pluripotent stem (iPS) cells from mouse and human fibroblasts with a significant higher efficiency. Because successful cloning by somatic cell nuclear transfer (SCNT) undergoes a full reprogramming process in which the epigenetic state of a differentiated donor nuclear is converted into an embryonic totipotent state, we speculated that VPA would be useful in promoting cloning efficiency. Therefore, in the present study, we examined whether VPA can promote the developmental competence of SCNT embryos by improving the reprogramming state of donor nucleus. Here we report that 1 mM VPA for 14 to 16 h following activation significantly increased the rate of blastocyst formation of porcine SCNT embryos constructed from Landrace fetal fibroblast cells compared to the control (31.8 vs. 11.4%). However, we found that the acetylation level of Histone H3 lysine 14 and Histone H4 lysine 5 and expression level of Oct4, Sox2, and Klf4 was not significantly changed between VPA-treated and -untreated groups at the blastocyst stage. The SCNT embryos were transferred to 38 surrogates, and the cloning efficiency in the treated group was significantly improved compared with the control group. Taken together, we have demonstrated that VPA can improve both in vitro and in vivo development competence of porcine SCNT embryos. FAU - Huang, Yongye AU - Huang Y AD - Jilin Province Key Laboratory of Animal Embryo Engineering, College of Animal Science and Veterinary Medicine, Jilin University, Changchun, People's Republic of China. FAU - Tang, Xiaochun AU - Tang X FAU - Xie, Wanhua AU - Xie W FAU - Zhou, Yan AU - Zhou Y FAU - Li, Dong AU - Li D FAU - Yao, Chaogang AU - Yao C FAU - Zhou, Yang AU - Zhou Y FAU - Zhu, Jianguo AU - Zhu J FAU - Lai, Liangxue AU - Lai L FAU - Ouyang, Hongsheng AU - Ouyang H FAU - Pang, Daxin AU - Pang D LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20111026 PL - United States TA - Cell Reprogram JT - Cellular reprogramming JID - 101528176 RN - 0 (Histone Deacetylase Inhibitors) RN - 0 (Histones) RN - 0 (KLF4 protein, human) RN - 0 (Klf4 protein, mouse) RN - 0 (Kruppel-Like Factor 4) RN - 0 (Transcription Factors) RN - 614OI1Z5WI (Valproic Acid) SB - IM MH - Acetylation/drug effects MH - Animals MH - Blastocyst/cytology/*metabolism MH - Cell Dedifferentiation/*drug effects MH - Cloning, Organism/*methods MH - Epigenesis, Genetic/drug effects MH - Female MH - Histone Deacetylase Inhibitors/*pharmacology MH - Histones/metabolism MH - Kruppel-Like Factor 4 MH - *Nuclear Transfer Techniques MH - Swine MH - Transcription Factors/metabolism MH - Valproic Acid/*pharmacology EDAT- 2011/10/28 06:00 MHDA- 2012/04/04 06:00 CRDT- 2011/10/28 06:00 PHST- 2011/10/28 06:00 [entrez] PHST- 2011/10/28 06:00 [pubmed] PHST- 2012/04/04 06:00 [medline] AID - 10.1089/cell.2011.0032 [doi] PST - ppublish SO - Cell Reprogram. 2011 Dec;13(6):513-20. doi: 10.1089/cell.2011.0032. Epub 2011 Oct 26.