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Reprod Biomed Online. 2010 Apr;20(4):477-84. doi: 10.1016/j.rbmo.2009.12.026. Epub 2009 Dec 28.

Culture of human oocytes with granulocyte-macrophage colony-stimulating factor has no effect on embryonic chromosomal constitution.

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The Fertility Clinic, Braedstrup Hospital, Sygehusvej 20, Braedstrup, Denmark.


The effect on ploidy rate in donated human oocytes after in-vitro culture with recombinant human granulocyte-macrophage colony-stimulating factor (GM-CSF; 2 ng/ml) from fertilization until day 3 was examined in a multicentre, prospective placebo-controlled and double-blinded study including 73 women donating 86 oocytes. The primary endpoint was to investigate the chromosomal constitution of human embryos (fluorescence in-situ hybridization analysis for chromosomes 13, 16, 18, 21, 22, X and Y) cultured with or without GM-CSF. The secondary endpoints were number of top-quality embryos (TQE) and number of normally developed embryos evaluated morphologically on day 3. The cytogenetic analyses demonstrated non-inferiority and therefore the chromosomal constitution of human embryos cultured in vitro in the presence of 2 ng/ml GM-CSF was no worse than the control group cultured without GM-CSF. In-vitro culture of human embryos in the presence of 2 ng/ml GM-CSF resulted in 34.8% (8/23) uniformly normal embryos. Culture without 2 ng/ml GM-CSF resulted in 33.3% (9/27) uniformly normal embryos. A trend towards a higher number of TQE in the test group was observed; however, due to lack of TQE in the control group, this was considered a random finding.

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