| Autor: |
Ondřejíková L; Institute of Endocrinology, 116 94 Prague, Czech Republic., Pařízek A; Department of Gynecology and Obstetrics, First Faculty of Medicine, General University Hospital in Prague, Charles University in Prague, 128 08 Prague, Czech Republic., Šimják P; Department of Gynecology and Obstetrics, First Faculty of Medicine, General University Hospital in Prague, Charles University in Prague, 128 08 Prague, Czech Republic., Vejražková D; Institute of Endocrinology, 116 94 Prague, Czech Republic., Velíková M; Institute of Endocrinology, 116 94 Prague, Czech Republic., Anderlová K; Department of Gynecology and Obstetrics, First Faculty of Medicine, General University Hospital in Prague, Charles University in Prague, 128 08 Prague, Czech Republic., Vosátková M; Institute of Endocrinology, 116 94 Prague, Czech Republic., Krejčí H; Department of Gynecology and Obstetrics, First Faculty of Medicine, General University Hospital in Prague, Charles University in Prague, 128 08 Prague, Czech Republic., Koucký M; Department of Gynecology and Obstetrics, First Faculty of Medicine, General University Hospital in Prague, Charles University in Prague, 128 08 Prague, Czech Republic., Kancheva R; Institute of Endocrinology, 116 94 Prague, Czech Republic., Dušková M; Institute of Endocrinology, 116 94 Prague, Czech Republic., Vaňková M; Institute of Endocrinology, 116 94 Prague, Czech Republic., Bulant J; Institute of Endocrinology, 116 94 Prague, Czech Republic., Hill M; Institute of Endocrinology, 116 94 Prague, Czech Republic. |
| Abstrakt: |
Gestational diabetes mellitus (GDM) is a complication in pregnancy, but studies focused on the steroidome in patients with GDM are not available in the public domain. This article evaluates the steroidome in GDM+ and GDM- women and its changes from 24 weeks (± of gestation) to labor. The study included GDM+ ( n = 44) and GDM- women ( n = 33), in weeks 24-28, 30-36 of gestation and at labor and mixed umbilical blood after delivery. Steroidomic data (101 steroids quantified by GC-MS/MS) support the concept that the increasing diabetogenic effects with the approaching term are associated with mounting progesterone levels. The GDM+ group showed lower levels of testosterone (due to reduced AKR1C3 activity), estradiol (due to a shift from the HSD17B1 towards HSD17B2 activity), 7-oxygenated androgens (competing with cortisone for HSD11B1 and shifting the balance from diabetogenic cortisol towards the inactive cortisone), reduced activities of SRD5As, and CYP17A1 in the hydroxylase but higher CYP17A1 activity in the lyase step. With the approaching term, the authors found rising activities of CYP3A7, AKR1C1, CYP17A1 in its hydroxylase step, but a decline in its lyase step, rising conjugation of neuroinhibitory and pregnancy-stabilizing steroids and weakening AKR1D1 activity. |
