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Information Journal Paper

Title

HISTONE MODIFICATION OF EMBRYONIC STEM CELLS PRODUCED BY SOMATIC CELL NUCLEAR TRANSFER AND FERTILIZED BLASTOCYSTS

Pages

  316-323

Abstract

 Objective: Nuclear transfer-embryonic stem cells (NT-ESCs) are genetically identical to the donor's cells, provide a renewable source of tissue for replacement, and therefore, decrease the risk of immune rejection. TRICHOSTATIN A (TSA) as a histone deacetylase inhibitor (HDACi) plays an important role in the reorganization of the genome and epigenetic changes. In this study, we examined whether TSA treatment after SOMATIC CELL NUCLEAR TRANSFER (SCNT) can improve the developmental rate of embryos and establishment rate of NT-ESCs line, as well as whether TSA treatment can improve histone modification in NT-ESCs lines.Materials and Methods: In this experimental study, mature oocytes were recovered from BDF1 [C57BL/6×DBA/2) F 1 mice] mice and enucleated by micromanipulator. Cumulus cells were injected into enucleated oocytes as donor. Reconstructed embryos were activated in the presence or absence of TSA and cultured for 5 days. Blastocysts were transferred on inactive mouse embryonic fibroblasts (MEF), so ESCs lines were established. ESCs markers were evaluated by reverse transcription-polymerase chain reaction (RT-PCR). Histone modifications were analyzed by enzyme linked immunosorbent assay (ELISA).Results: Result of this study showed that TSA treatment after SCNT can improve developmental rate of embryos (21.12±3.56 vs.8.08±7.92), as well as establishment rate of NT-ESCs line (25 vs.12.5). We established 6 NT-ESCs in two experimental groups, and three embryonic stem cells (ESCs) lines as control group. TSA treatment has no effect in H3K4 acetylation and H3K9 tri-methylation in ESCs.Conclusion: TSA plays a key role in the developmental rate of embryos, establishment rate of ESC lines after SCNT, and regulation of histone modification in NT-ESCs, in a manner similar to that of ESCs established from normal blastocysts.

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    Cite

    APA: Copy

    FARIFTEH, FATTANEH, SALEHI, MOHAMMAD, BANDEHPOUR, MOJGAN, MOSAFFA, NARIMAN, GHAFARI NOVIN, MAREFAT, HOSSEINI, TAHEREH, NEMATOLLAHI, SEDIGHEH, NOROOZIAN, MOHSEN, KESHAVARZI, SOMAYEH, & HOSSEINI, AHMAD. (2014). HISTONE MODIFICATION OF EMBRYONIC STEM CELLS PRODUCED BY SOMATIC CELL NUCLEAR TRANSFER AND FERTILIZED BLASTOCYSTS. CELL JOURNAL (YAKHTEH), 15(4 (60)), 316-323. SID. https://sid.ir/paper/601934/en

    Vancouver: Copy

    FARIFTEH FATTANEH, SALEHI MOHAMMAD, BANDEHPOUR MOJGAN, MOSAFFA NARIMAN, GHAFARI NOVIN MAREFAT, HOSSEINI TAHEREH, NEMATOLLAHI SEDIGHEH, NOROOZIAN MOHSEN, KESHAVARZI SOMAYEH, HOSSEINI AHMAD. HISTONE MODIFICATION OF EMBRYONIC STEM CELLS PRODUCED BY SOMATIC CELL NUCLEAR TRANSFER AND FERTILIZED BLASTOCYSTS. CELL JOURNAL (YAKHTEH)[Internet]. 2014;15(4 (60)):316-323. Available from: https://sid.ir/paper/601934/en

    IEEE: Copy

    FATTANEH FARIFTEH, MOHAMMAD SALEHI, MOJGAN BANDEHPOUR, NARIMAN MOSAFFA, MAREFAT GHAFARI NOVIN, TAHEREH HOSSEINI, SEDIGHEH NEMATOLLAHI, MOHSEN NOROOZIAN, SOMAYEH KESHAVARZI, and AHMAD HOSSEINI, “HISTONE MODIFICATION OF EMBRYONIC STEM CELLS PRODUCED BY SOMATIC CELL NUCLEAR TRANSFER AND FERTILIZED BLASTOCYSTS,” CELL JOURNAL (YAKHTEH), vol. 15, no. 4 (60), pp. 316–323, 2014, [Online]. Available: https://sid.ir/paper/601934/en

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