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Glucococorticoids play a critical role in the developmental programing and fetal growth. Key molecules mediating and regulating tissue-specific glucocorticoid actions are 11beta-hydroxysteroid dehydrogenase (11beta-HSD) type 1 and 2 isozymes, both of which are expressed in the placenta and the fetal membranes. 11beta-HSD1 is implicated in the pathogenesis of metabolic syndrome and its dysregulation has been observed in pregnancy-related complications (pre-eclampsia, intrauterine growth restriction). Interestingly, preliminary clinical data have associated certain 11beta-HSD1 gene polymorphisms with hypertensive disorders in pregnancy, suggesting, if confirmed by further targeted studies, it's potential as a putative prognostic marker. Animal studies and observations in humans have confirmed that 11beta-HSD2 insufficiency is related with pregnancy adversity (pre-eclampsia, intrauterine growth restriction, preterm birth). Importantly, down-regulation or deficiency of placental 11beta-HSD2 is associated with significant restriction in fetal growth and low-birth weight, and unfavorable cardio-metabolic profile in adulthood. The potential association of 11beta-HSD1 tissue-specific dysregulation with gestational diabetes, as well as the plausible utility of 11beta-HSD2, as a biomarker of pregnancy adversity and later life morbidity, are emerging areas of intense scientific interest and future investigation.

Original publication

DOI

10.3109/14767058.2016.1171308

Type

Journal article

Journal

J Matern Fetal Neonatal Med

Publication Date

02/2017

Volume

30

Pages

284 - 293

Keywords

11beta-hydroxysteroid dehydrogenase, gestational diabetes, intrauterine growth restriction, placenta, pre-eclampsia, 11-beta-Hydroxysteroid Dehydrogenase Type 1, 11-beta-Hydroxysteroid Dehydrogenase Type 2, Down-Regulation, Epigenesis, Genetic, Female, Fetal Diseases, Humans, Placenta, Polymorphism, Genetic, Pregnancy, Pregnancy Complications, Prenatal Exposure Delayed Effects