Browsing by Subject "Recurrent Spontaneous-abortion"

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    Extremely skewed X-chromosome inactivation is increased in pre-eclampsia
    (Springer-Verlag, 2007-03) Uz, E.; Dolen, I.; Al, A. R.; Ozcelik, T.
    Pre-eclampsia is a disorder that affects approximately 5% of pregnancies. We tested the hypothesis that skewed X-chromosome inactivation (XCI) could be involved in the pathogenesis of pre-eclampsia. Peripheral blood DNA was obtained from 67 pre-eclampsia patients and 130 control women. Androgen receptor (AR) was analyzed by the Hpa II/polymerase chain reaction assay to assess XCI patterns in DNA extracted from peripheral-blood cells. In addition, buccal cells were obtained from seven patients, and the analysis repeated. Extremely skewed XCI was observed in 10 of 46 informative patients (21.74%), and in 2 of 86 informative controls (2.33%, P = 0.0005; χ2 test). Our findings support a role for the X-chromosome in the pathogenesis of pre-eclampsia in a subgroup of patients.