Roux-en-Y 胃旁路术对肥胖症和 2 型糖尿病女性患者循环血脂指标的影响

Daiane Cavalari Mancuzo , Natasha Mendonça Machado , Juliana Teppedino , Lucas Santander , Philip C. Calder , Dan Linetzky Waitzberg , Raquel Susana Torrinhas
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摘要

背景,目的:与肥胖相关的慢性炎症直接导致代谢合并症,包括2型糖尿病(T2D)。Roux-en-Y胃旁路术(RYGB)是一种非常有效的治疗肥胖相关T2D的方法。我们研究了RYGB对花生四烯酸(ARA)、二十碳五烯酸(EPA)和二十二碳六烯酸(DHA)衍生的氧磷脂循环谱的影响,作为手术代谢益处的潜在机制。方法:28例肥胖合并T2D的女性在RYGB术前和术后3个月采集血浆。分别使用非靶向质谱法和常规生化技术评估氧脂素及其前体的循环水平,以及葡萄糖稳态的生化标志物。结果:EPA和DHA衍生的氧化脂素水平未见明显变化。然而,ARA及其衍生的氧化脂素、TXB2 (TXA2的惰性衍生物)和PGD2均有所增加(Wilcoxon, p≤0.05)。血红蛋白A1c水平与TXB2、ARA水平呈正相关(Spearman, p≤0.05)。结论:我们的数据表明,来自EPA和DHA的抗炎氧脂素可能与RYGB相关的代谢益处无关。然而,研究结果表明,促炎氧化脂素TXA2及其前体ARA可能在RYGB前后对葡萄糖稳态产生负面影响。
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Effect of Roux-en-Y Gastric Bypass on circulating oxylipin profile in women with obesity and type 2 diabetes

Background & Aims: Chronic inflammation associated with obesity directly contributes to metabolic comorbidities, including type 2 diabetes (T2D). Roux-en-Y gastric bypass (RYGB) is a highly effective treatment for obesity-associated T2D. We investigated the effect of RYGB on the circulating profile of oxylipins derived from arachidonic (ARA), eicosapentaenoic (EPA), and docosahexaenoic (DHA) acids as a potential mechanism underlying the metabolic benefits of the surgery. Methods: Plasma samples were collected from 28 women with obesity and T2D before and 3 months after RYGB. Circulating levels of oxylipins and their precursors, along with biochemical markers of glucose homeostasis, were evaluated using untargeted mass spectrometry and routine biochemical techniques, respectively. Results: No significant changes were observed in the levels of oxylipins derived from EPA and DHA. However, there was an increase in ARA and its derived oxylipins, TXB2 (an inert derivative of TXA2) and PGD2 (Wilcoxon, p ≤ 0.05). Positive correlations were observed between hemoglobin A1c levels and TXB2 as well as ARA levels (Spearman, p ≤ 0.05). Conclusions: Our data suggest that the anti-inflammatory oxylipins derived from EPA and DHA may not be involved in the metabolic benefits associated with RYGB. However, the findings indicate that the pro-inflammatory oxylipin TXA2 and its precursor ARA may negatively impact glucose homeostasis both before and after RYGB.

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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
自引率
0.00%
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0
审稿时长
64 days
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