妊娠期糖尿病和母体肥胖患者胎盘F4神经前列腺素和F2异前列腺素的改变

Carolina S. Ferreira , Gabriela D.A. Pinto , Desirée L. Reis , Claire Vigor , Vanessa A. Goes , Deborah de A.B. Guimarães , Daniela B. Mucci , Livia Belcastro , Marcelle A. Saraiva , Camille Oger , Jean-Marie Galano , Fátima L.C. Sardinha , Alexandre G. Torres , Thierry Durand , Graham J. Burton , Tatiana El-Bacha
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引用次数: 0

摘要

我们研究了与母体肥胖相关的妊娠期糖尿病(GDM)是否会改变F4神经前列腺素和F2异前列腺素的胎盘特征,这两种物质分别是二十二碳六烯酸(DHA)和花生四烯酸(AA)的非酶氧化代谢产物。25份胎盘样本被分为瘦组(n=11)、肥胖组(n=7)和超重/肥胖+GDM组(n=8)。与瘦对照组相比,肥胖组的F4神经前列素和F2异前列素含量较高,但当肥胖与GDM进一步复杂时,其含量降至与瘦女性相似的水平。F2异前列素含量较低表明GDM中的适应性胎盘反应减弱了氧化应激。然而,胎盘F4神经前列素水平低可能表明GDM中DHA代谢受损,影响胎儿发育和后代健康。这些结果与胎盘DHA、AA和多不饱和脂肪酸含量的差异无关,也与母体饮食或妊娠期体重增加无关。肥胖和GDM的胎盘DHA和AA代谢不同,这突出了研究F4神经前列腺素和F2异前列腺素在人类足月胎盘中的信号作用的重要性。
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Placental F4-Neuroprostanes and F2-Isoprostanes are altered in gestational diabetes mellitus and maternal obesity

We investigated whether gestational diabetes mellitus (GDM) associated with maternal obesity modifies the placental profile of F4-Neuroprostanes and F2-Isoprostanes, metabolites of non-enzymatic oxidation of docosahexaenoic acid (DHA) and arachidonic acid (AA), respectively. Twenty-five placental samples were divided into lean (n=11), obesity (n=7) and overweight/obesity+GDM (n=7) groups. F4-Neuroprostanes and F2-Isoprostanes were higher in obesity compared to lean controls, but reduced to levels similar to lean women when obesity is further complicated with GDM. Lower content of F2-Isoprostanes suggests adaptive placental responses in GDM attenuating oxidative stress. However, low levels of placental F4-Neuroprostanes may indicate impaired DHA metabolism in GDM, affecting fetal development and offspring health. These results were not related to differences in placental content of DHA, AA and polyunsaturated fatty acids status nor to maternal diet or gestational weight gain. Placental DHA and AA metabolism differs in obesity and GDM, highlighting the importance of investigating the signalling roles of F4-Neuroprostanes and F2-Isoprostanes in the human term placenta.

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来源期刊
Prostaglandins, leukotrienes, and essential fatty acids
Prostaglandins, leukotrienes, and essential fatty acids Clinical Biochemistry, Endocrinology, Diabetes and Metabolism
CiteScore
5.30
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0.00%
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0
审稿时长
64 days
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