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Decreased circulating anandamide levels in preeclampsia

Molvarec, Attila and Fügedi, Gergely and Szabó, Eszter and Stenczer, Balázs and Walentin, Szilvia and Rigó, János, Jr. (2015) Decreased circulating anandamide levels in preeclampsia. Hypertension Research, 38 (6). pp. 413-418. ISSN 0916-9636, EISSN: 1348-4214

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Abstract

The endocannabinoid system plays a key role in female reproduction, including implantation, decidualization and placentation. A growing number of studies indicate that placental and peripheral blood anandamide levels correlate closely with both spontaneous miscarriage and ectopic pregnancy. Anandamide has also been implicated in blood pressure regulation. In this study, we aimed to determine circulating anandamide levels in preeclampsia for the first time in the literature. Forty-three preeclamptic patients and 71 healthy pregnant women were involved in this case-control study. Serum anandamide concentrations were determined by high performance liquid chromatography-mass spectrometry (HPLC-MS) technique. Serum total soluble fms-like tyrosine kinase-1 (sFlt-1) and biologically active placental growth factor (PlGF) levels were measured by electrochemiluminescence immunoassay. For statistical analyses, non-parametric methods were applied. Serum levels of anandamide were significantly lower in preeclamptic patients than in healthy pregnant women (0.75 (0.44-1.03) ng/ml versus 1.30 (0.76-2.0) ng/ml, p<0.001). Preeclamptic patients had significantly higher sFlt-1 levels (12121 (7963-18316) pg/ml versus 2299 (1393-3179) pg/ml, p<0.001) and significantly lower PlGF concentrations (71.2 (39.2-86.4) pg/ml versus 256.8 (181.1-421.0) pg/ml, p<0.001) as compared to healthy pregnant women. Serum anandamide concentrations did not correlate with serum levels of sFlt-1 and PlGF in our healthy pregnant and preeclamptic groups. In conclusion, we demonstrated for the first time in the literature that serum anandamide concentrations are decreased in women with preeclampsia. However, the cause and consequence of this observation remain to be determined.

Item Type: Article
Subjects: R Medicine / orvostudomány > RG Gynecology and obstetrics / nőgyógyászat, szülészet
Depositing User: Dr. Attila Molvarec
Date Deposited: 26 Sep 2016 07:17
Last Modified: 26 Sep 2016 07:17
URI: http://real.mtak.hu/id/eprint/39961

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