Abstract
Purpose: To determine whether a confluent culture of fallopian ampullary epithelial cells, taken from women at the end of their reproductive life, is capable of rescuing very-poor-quality preembryos from cleavage arrest and/or degeneration.
Methods: Human preembryos, rejected for transfer or freezing because of very poor quality, and arrested within 24 h of cleavage, were cultured for 5 days in medium alone or over a confluent culture of fallopian ampullary epithelial cells. Morphological criteria were utilized to assess preembryo degeneration and stage of development.
Results: The described coculture rescued preembryos from degeneration, enhancing development to the blastocyst stage 2.2-fold, compared with cultures in medium alone. Furthermore, fully expanded and hatching blastocysts were observed only under coculture conditions.
Conclusions: Very-poor-quality human preembryos may be rescued from degeneration, and their growth and development dramatically improved, when cocultured with a confluent culture of fallopian ampullary epithelial cells.
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Weichselbaum, A., Paltieli, Y., Philosoph, R. et al. Improved Development of Very-Poor-Quality Human Preembryos by Coculture with Human Fallopian Ampullary Cells. J Assist Reprod Genet 19, 7–13 (2002). https://doi.org/10.1023/A:1014002404950
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DOI: https://doi.org/10.1023/A:1014002404950