Gloria-Bottini, Fulvia and Meloni, Gianfranco and Nicotra, Maria and Saccucci, Patrizia and Stampone, L. and Bottini, Nunzio and Lista, F. and Bottini, Egidio (2008) Feto-maternal ACP1 activity ratio and intrauterine survival. European Journal of Obstetrics & Gynecology and Reproductive Biology, Vol. 140 (1). ISSN 0301-2115. Article.
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Objective. Genetic differences in the activity of phosphotyrosine phosphatases between mother and embryo could result in a differential activation of signals induced by growth factors in the two sides of placenta. Previous observations suggest that this may have important effects on intrauterine development and survival. The aim of the present study is to confirm previous observations and show new data.
Study design. We have studied 573 mother/newborn pairs, 169 wife/husband couples with repeated spontaneous abortion and 34 fertile wife/husband couples.
Results. In mother/newborn pairs, the analysis of joint mother/infant ACP1 distribution has shown a deficit of pairs with the mother having low ACP1 S isoform concentration and the infant having high S isoform concentration, and an excess of pairs with the mother having high S isoform concentration and the infant having low S isoform concentration. In RSA couples there is an excess of couples in which the wife has low S isoform concentration and the husband has high S isoform concentration and a deficit of couples in which the wife has high S isoform concentration and the husband has low S isoform concentration. In fertile couples the pattern is reversed.
Conclusion. The data suggest that when the mother to fetus S isoform concentration ratio is in favour of the mother, the probability of survival of the fetus is greater than in the opposite situation.
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