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- Title
Serotonin risk factors for the development of hypertension in pregnancy.
- Authors
Sabolovic Rudman, Senka; Mustapic, Maja; Kosec, Vesna; Pivac, Nela; Rudman, Franjo; Muck-Seler, Dorotea
- Abstract
Purpose: To determine platelet serotonin (5-HT) concentrations and genotype and allele frequencies of serotonergic type 2A receptor gene ( HTR2A) and 5-HT transporter gene ( SLC6A4) in women with pre-eclampsia, gestational hypertension without proteinuria (PIH) and in control normotensive pregnant women. Methods: The study included 96 control women, 131 women with PIH and 84 women with pre-eclampsia (ICD-10 criteria) in the last trimester of pregnancy. Variants of the HTR2A T102C (rs6313) and SLC6A4 (5-HTTLPR and rs25531) were determined by the PCR and real-time PCR procedures. Platelet 5-HT concentrations were analyzed by the spectrofluorimetric method. Results: The frequency of the 5HTTLPR and of HTR2A T102C genotypes or alleles was similar between three groups of pregnant women and was not associated with low platelet 5-HT concentrations observed in pregnant women with PIH or pre-eclampsia. Conclusions: The results confirm alterations in the peripheral 5-HT system in pregnancy-induced hypertension. Low platelet 5-HT concentration is a common feature of both PIH and pre-eclampsia. The results did not support the hypothesis that hypertension in pregnancy is a trait associated with polymorphic variants of the HTR2A and SLC6A4 or that they have a role in the predisposition to hypertensive disorders in pregnancy. The further studies are necessary to elucidate the role of 5-HT and genetic factors in the development of hypertensive disorders in pregnancy.
- Subjects
HYPERTENSION in pregnancy; SEROTONIN; GENE frequency; SEROTONINERGIC mechanisms; PREECLAMPSIA; PREGNANT women
- Publication
Archives of Gynecology & Obstetrics, 2015, Vol 291, Issue 4, p779
- ISSN
0932-0067
- Publication type
Article
- DOI
10.1007/s00404-014-3461-8