Summary
Horse serum (HS) supported growth and differentiation of blastocysts as well as or better than fetal bovine serum (FBS) (p<0.01) as measured by a) the onset of trophoblastic outgrowth, b) the size of the resultant outgrowths, c) the size of nuclei in trophoblasts after their outgrowth and d) the size of the inner cell mass in outgrowths. Moreover, polyamines were found to be approximately 10–100 times less toxic to embryos when added to medium containing HS than when the medium contained FBS.
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Acknowledgments. Thanks to Dr David Mann and Mrs Annice Richard for their help in preparing this manuscript. Supported by the Chicago College of Osteopathic Medicine.
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Van Winkle, L.J., Campione, A.L. Periimplantation-like growth and development of mouse blastocysts in medium containing horse serum. Experientia 40, 988–990 (1984). https://doi.org/10.1007/BF01946473
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DOI: https://doi.org/10.1007/BF01946473