한국발생생물학회지:발생과생식 (Development and Reproduction)

  • 제19권4호
  • /
  • Pages.227-234
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  • 2015
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  • 2465-9525(pISSN)
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  • 2465-9541(eISSN)
한국발생생물학회 (The Korean Society of Developmental Biology)
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Characterization of EST Gene in the Bovine Corpus Luteum during the Estrous Cycle

  • Lee, Eunyoung (Dept. of Animal Life Science, Hankyong National University) ;
  • Kim, Sang Hwan (Dept. of Animal Life Science, Hankyong National University) ;
  • Kim, Byung-Gak (Dept. of Animal Life Science, Hankyong National University) ;
  • Yoon, Jong Taek (Dept. of Animal Life Science, Hankyong National University)
  • 투고 : 2015.11.20
  • 심사 : 2015.12.05
  • 발행 : 2015.12.31
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초록

The objective of this study was to investigate the expression of bovine luteum expressed sequence tags (ESTs), vascular endothelial growth factor (VEGF), and tumor necrosis factor receptor 1 (TNFR1) and the presence of functional ESTs in the bovine corpus luteum (CL) during different stages of the estrus cycle. Reverse transcription-polymerase chain reaction (RT-PCR) analysis showed a difference in the expression of ESTs during the CL stage. Concentration of ESTs in the CL tissue increased significantly from the mid-luteal stage and decreased thereafter. RT-PCR analysis showed higher levels of the EST genes in the CL of the mid-luteal stage than in other stages, and the same level of expression of VEGF. Immunohistochemistry analysis of the tissue from CL formation to regression showed low cytosol and aggregation of the nucleus. And activity caspase 3 (apoptosis detector) was most strongly detected in the CL1 stage of bovine. During the estrous cycle, the cytosol was magnified and differentiation of the nucleus was clearly manifested. The ESTs affected the CL, and the relationship between VEGF and TNFR1 played a pivotal role for CL development and activation, dependent on the stage of CL. These results suggest local production of ESTs, the presence of functional ESTs in the bovine CL, and that ESTs play a role in regulating the function of cell death in bovine CL.

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참고문헌

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