A Pilot Study for Metabolic Profiling of Obesity-Associated Microbial Gut Dysbiosis in Male Wistar Rats.

A Pilot Study for Metabolic Profiling of Obesity-Associated Microbial Gut Dysbiosis in Male Wistar Rats.
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雄性Wistar大鼠肥胖相关肠道微生物菌群失调的代谢谱初步研究

DOI:
10.3390/biom11020303
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发表时间:
2021-02-18
期刊:
影响因子:
5.5
通讯作者:
Mulero M
Mulero M
中科院分区:
生物学2区
文献类型:
--
作者:
Hernandez-Baixauli J;Puigbò P;Torrell H;Palacios-Jordan H;Ripoll VJR;Caimari A;Del Bas JM;Baselga-Escudero L;Mulero M

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肥胖是全球最常见且令人担忧的疾病之一。预防肥胖及相关并发症的明确策略仍然难以捉摸。在肥胖发病的风险因素中,肠道微生物群可能在该疾病的发病机制中起重要作用,并且由于它影响宿主代谢而受到广泛关注。在这项研究中,我们旨在确定与肥胖相关的肠道菌群失调这一独立风险因素的代谢特征。在肥胖相关的肠道菌群失调模型中对代谢组的研究,为区分肥胖发病中的不同生物标志物提供了一种相关途径。因此,我们通过将肠道微生物群从肥胖的雄性Wistar大鼠转移到非肥胖的雄性Wistar大鼠,建立了这种肥胖风险因素的模型,并对受体大鼠进行了后续的代谢分析。我们的结果显示血浆中的脂质代谢以及尿液中的苯丙氨酸代谢发生了改变。因此,我们确定了以下代谢变化特征:(1)血浆中DG:34:2增加,马尿酸盐减少;(2)3 - HPPA增加;(3)邻香豆酸增加。据此,我们提出这些代谢物可作为与肥胖疾病相关的一种独立的菌群失调状态的代谢特征。
Obesity is one of the most incident and concerning disease worldwide. Definite strategies to prevent obesity and related complications remain elusive. Among the risk factors of the onset of obesity, gut microbiota might play an important role in the pathogenesis of the disease, and it has received extensive attention because it affects the host metabolism. In this study, we aimed to define a metabolic profile of the segregated obesity-associated gut dysbiosis risk factor. The study of the metabolome, in an obesity-associated gut dysbiosis model, provides a relevant way for the discrimination on the different biomarkers in the obesity onset. Thus, we developed a model of this obesity risk factors through the transference of gut microbiota from obese to non-obese male Wistar rats and performed a subsequent metabolic analysis in the receptor rats. Our results showed alterations in the lipid metabolism in plasma and in the phenylalanine metabolism in urine. In consequence, we have identified metabolic changes characterized by: (1) an increase in DG:34:2 in plasma, a decrease in hippurate, (2) an increase in 3-HPPA, and (3) an increase in o-coumaric acid. Hereby, we propose these metabolites as a metabolic profile associated to a segregated dysbiosis state related to obesity disease.
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发表时间: 2018-07-01
影响因子: 4.5
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