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Elsevier, Placenta, 4(35), p. 286-288, 2014

DOI: 10.1016/j.placenta.2014.02.003

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Post-maturation zona perforation improves porcine parthenogenetic trophoblast culture

Journal article published in 2014 by Islam M. Saadeldin ORCID, Su Jin Kim, Yoo Bin Choi, Byeong Chun Lee
This paper is available in a repository.
This paper is available in a repository.

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Abstract

This study was designed to optimize a method to improve porcine parthenogenetic embryo hatching and trophoblast culture. Mature oocytes (D0PPA) and day 6 blastocysts (D6PPA) were perforated with a 20 μm diameter needle for assisted hatching. The two groups showed a significant difference in hatching rate and blastocyst cell doubling when compared to a non-perforated control group. D0PPA blastocysts were able to form tertiary trophoblast colonies but D6PPA and control groups were not able to grow beyond primary colonies. Quantitative real-time PCR analysis showed significant differences in BAX, BAX/BCL2L1 and HSP70-2 mRNA expression between the experimental groups.