Volume 32 Issue 6
Nov.  2011
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WANG Xi-Hong, HE Xie-Chao, HAN Shu-Biao, JI Wei-Zhi, ZHENG Ping. Role of PTEN in mouse pre-implantation development. Zoological Research, 2011, 32(6): 647-650. doi: 10.3724/SP.J.1141.2011.06647
Citation: WANG Xi-Hong, HE Xie-Chao, HAN Shu-Biao, JI Wei-Zhi, ZHENG Ping. Role of PTEN in mouse pre-implantation development. Zoological Research, 2011, 32(6): 647-650. doi: 10.3724/SP.J.1141.2011.06647

Role of PTEN in mouse pre-implantation development

doi: 10.3724/SP.J.1141.2011.06647
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  • Author Bio:

    WANG Xi-Hong

  • Corresponding author: WANG Xi-Hong
  • Received Date: 2011-06-16
  • Rev Recd Date: 2011-08-15
  • Publish Date: 2011-11-22
  • The PI3K/Akt signal transduction pathway plays an important role in pre-implantation embryonic development. The tumor suppressor gene PTEN negatively regulates the PI3K/Akt pathway. Although PI3K is constitutively activated during pre-implantation embryonic development, currently no evidence shows the presence and possible involvement of PTEN in early embryo development. We investigated the expression of PTEN protein in germinal vesicle (GV) stage oocytes as well as in pre-implantation embryos. The activated form of PTEN was distributed in the peripheral of GV oocytes and compact morula. Treatment of GV oocytes with PTEN inhibitor bpV(pic) did not affect the maturation of the oocyte, but significantly impaired embryonic development. Thus, our study suggests the necessary role of PTEN in pre-implantation embryonic development.
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