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Effect of Fermented Food Products as Vitamin K Dietary Sources on the Development of Atherosclerotic Lesions in ApoE/LDLR−/− Mice 发酵食品作为维生素 K 膳食来源对载脂蛋白E/LDLR-/小鼠动脉粥样硬化病变发展的影响
Pub Date : 2024-02-19 DOI: 10.3390/proceedings2023091336
M. Franczyk-Żarów, Barbara Czosnowska, Hayat Aragaw Hassen, Agata Strojewska, I. Czyzynska-Cichon, A. Kij, R. Kostogrys
: The term vitamin K refers to a group of similarly structured fat-soluble compounds. One of the vitamin K forms is phylloquinone, known as vitamin K1. The main nutritional sources of vitamin K1 are green, leafy vegetables like kale, beetroot, spinach and broccoli. Other forms of vitamin K are menaquinones (vitamin K2) that can further be divided into a few subtypes depending on the number of isoprenoid residues in the side chain (MK-n). Besides MK-4, bacteria synthesize all menaquinones. As such, the main dietary sources of vitamin K2 are natto, dairy (especially fermented products, e.g., cheese), meat and eggs. Until recently, vitamin K was associated with the regulation of the coagulation system. Interest in the biological activity of these compounds increased once it was discovered that vitamin K2 affects the processes of the calcification of both bones and soft tissues. Vitamin K can reduce oxidative stress and inflammation. The objective of the present study was to verify the hypothesis about the effectiveness of dietary vitamin K2 as an anti-atherosclerotic agent. An in vivo experiment on ApoE/LDLR − / − mice was conducted to verify this hypothesis. Two month-old mice were fed AIN-93G modified diets containing vitamin K-rich products, i.e., natto, cheese (Munster), sauerkraut and synthetic vitamin K2 MK-7 (100 µ g/kg b.w./day) for 8 weeks. The body weight, weight of organs and glucose concentration were determined. Blood was taken and the aorta dissected. The investigation included both the area of lesions and biochemical parameters such as lipid profile. Quantification of the atherosclerotic area in entire aorta was performed by an en face method. The lipid profile was determined automatically by ABX Pentra 400 (Horiba Medical, Kyoto, Japan). The concentration of vitamins K was determined using UHPLC-MS/MS technique in feaces. Body weights of mice fed MK-7 and Munster were significant decreased compared to Control (respectively, 20.01 and 19.98 vs 21.45 [g]). Liver’s weight of mice fed Munster was significantly increased in comparison to other groups (5.70 vs 4.53 [g/100g] in Control). Glucose concentration was unchanged. Significant changes in plasma lipid profile of mice fed modified diets, especially in groups fed Munster and Sauerkraut, were observed. Total cholesterol and LDL concentrations were significantly increased in Munster and Sauerkraut compared to Control (respectively, for TC 20.45 and 19.80 vs 15.95 [mmol/L]; for LDL 17.15 and 11.94 vs 7.85 [mmol/L]). Moreover, TAG level was significantly increased in Sauerkraut in comparison to Control (2.87 vs 2.23 [mmol/L]). The main forms of vitamin K identified in mouse feaces were menaquinones MK-6. Nutritional factors with an alleviating effect on the development of atherosclerotic plaques are still being investigated
:维生素 K 是指一组结构相似的脂溶性化合物。维生素 K 的一种形式是植物醌,即维生素 K1。维生素 K1 的主要营养来源是羽衣甘蓝、甜菜根、菠菜和西兰花等绿叶蔬菜。其他形式的维生素 K 是甲萘醌(维生素 K2),根据侧链中异戊烯残基的数量(MK-n)又可分为几个亚型。除 MK-4 外,细菌可合成所有的月桂醌。因此,维生素 K2 的主要膳食来源是纳豆、乳制品(尤其是发酵产品,如奶酪)、肉类和蛋类。直到最近,维生素 K 还与凝血系统的调节有关。一旦发现维生素 K2 会影响骨骼和软组织的钙化过程,人们对这些化合物的生物活性的兴趣就会增加。维生素 K 可以减少氧化应激和炎症。本研究的目的是验证膳食维生素 K2 作为抗动脉粥样硬化药物的有效性假设。为了验证这一假设,我们对载脂蛋白E/LDLR - / -小鼠进行了体内实验。给两个月大的小鼠喂食经 AIN-93G 改良的食物,其中含有富含维生素 K 的产品,即纳豆、奶酪(明斯特)、酸菜和合成维生素 K2 MK-7(100 µ g/kg b.w./天),为期 8 周。测定体重、器官重量和葡萄糖浓度。采血并解剖主动脉。调查包括病变面积和生化指标,如血脂。整个主动脉动脉粥样硬化面积的定量分析是通过正面法进行的。血脂指数由 ABX Pentra 400(日本京都 Horiba Medical 公司)自动测定。采用超高效液相色谱-质谱/质谱技术测定饲料中维生素 K 的浓度。与对照组相比,喂食 MK-7 和 Munster 的小鼠体重明显下降(分别为 20.01 和 19.98 vs 21.45 [g])。与其他组相比,饲喂 Munster 的小鼠肝脏重量显著增加(对照组为 5.70 vs 4.53 [克/100克])。葡萄糖浓度没有变化。饲喂改良饮食的小鼠,尤其是饲喂 Munster 和 Sauerkraut 的小鼠,其血浆脂质原发生了显著变化。与对照组相比,总胆固醇和低密度脂蛋白浓度在 Munster 和 Sauerkraut 组中显著增加(TC 分别为 20.45 和 19.80 vs 15.95 [mmol/L];LDL 分别为 17.15 和 11.94 vs 7.85 [mmol/L])。此外,与对照组相比,酸菜中的 TAG 含量显著增加(2.87 vs 2.23 [mmol/L])。在小鼠饲料中发现的维生素 K 的主要形式是 Menaquinones MK-6。对动脉粥样硬化斑块的发展具有缓解作用的营养因素仍在研究中
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引用次数: 0
N-3 Polyunsaturated Fatty Acid Profile Is Altered in Pregnant Women with Different Allergic Diseases 患有不同过敏性疾病的孕妇的 N-3 多不饱和脂肪酸谱发生改变
Pub Date : 2024-02-19 DOI: 10.3390/proceedings2023091334
Antonio Gázquez, Antonia M. Egea-Marín, Maya Sánchez-Martínez, Valentina Origüela, M. D. Molina-Ruano, L. García-Marcos, Elvira Larqué
: The incidence of allergic problems has notably increased in recent decades, affecting approximately 20% of the population and becoming a public health issue. Some studies have suggested that asthma and atopy could result from an increased dietary intake of n-6 polyun-saturated fatty acids (PUFA) and a decreased intake of n-3 PUFA. During pregnancy, the fetus depends on the transplacental transfer of n-3 PUFA from maternal circulation, which implies that maternal lipid profile alterations might predispose to allergy onset during infancy and childhood. The aim of this study was to evaluate the circulating fatty acid profile in pregnant women with allergic problems as well as in fetal plasma at birth. Plasma samples from 73 allergic and 179 healthy pregnant women as well as cord venous plasma were collected at delivery in the NELA cohort (Murcia, Spain). Maternal allergy was diagnosed according to the symptoms and via a positive skin prick test. The fatty acid profile was determined by gas cromatography. The allergic mothers had a lower percentage of n-3 PUFA in the plasma compared to the healthy ones (Allergic: 4.06 ± 0.15 vs. Control: 4.66 ± 0.11, p = 0.002), especially in those with asthma or food allergies. This contributed to a significantly higher n-6/n-3 PUFA ratio in women with allergies (Allergic: 9.45 ± 0.31 vs. Control: 8.28 ± 0.20, p = 0.002), mainly asthma and food allergies, which was indicative of a proinflammatory status. The same tendency was observed in women affected by atopic dermatitis ( p = 0.094). In cord blood, despite the fact that there were no differences in the n-6/n-3 PUFA ratio between the groups, the fetuses born from allergic mothers showed a tendency towards lower n-3 PUFA content compared to those born from healthy mothers (Allergic: 5.63 ± 0.19 vs. Control: 6.17 ± 0.21, p = 0.093). In conclusion, allergy led to a decreased n-3 PUFA and an increased n6-/n-3 ratio fatty acid profile in pregnant women at delivery, especially in those affected by asthma and food allergies. The same tendency was observed in cord plasma. A higher n-3 PUFA consumption could be desirable in women with allergic diseases in order to improve their lipid profile and proinflammatory status and their offspring’s health.
:近几十年来,过敏性疾病的发病率明显上升,约有 20% 的人受到影响,这已成为一个公共卫生问题。一些研究表明,哮喘和过敏症可能是膳食中 n-6 多元不饱和脂肪酸(PUFA)摄入量增加和 n-3 PUFA 摄入量减少的结果。在怀孕期间,胎儿依赖于从母体血液循环中经胎盘转移的 n-3 PUFA,这意味着母体血脂谱的改变可能会导致婴幼儿期过敏症的发生。本研究的目的是评估有过敏问题的孕妇体内的循环脂肪酸谱以及胎儿出生时血浆中的循环脂肪酸谱。在 NELA 队列(西班牙穆尔西亚)中收集了 73 名过敏孕妇和 179 名健康孕妇的血浆样本以及分娩时的脐带静脉血浆。孕妇过敏症是根据症状和皮肤点刺试验阳性来诊断的。脂肪酸图谱是通过气体色谱法测定的。与健康母亲相比,过敏母亲血浆中的 n-3 PUFA 百分比较低(过敏母亲:4.06 ± 0.15 vs. 对照组:4.66 ± 0.11,p = 0.002),尤其是患有哮喘或食物过敏的母亲。这导致过敏症(过敏症:9.45 ± 0.31 vs. 对照组:8.28 ± 0.20,p = 0.002)妇女的 n-6/n-3 PUFA 比率明显升高,主要是哮喘和食物过敏,这表明她们处于促炎症状态。在受特应性皮炎影响的妇女中也观察到同样的趋势(p = 0.094)。在脐带血中,尽管各组之间的 n-6/n-3 PUFA 比率没有差异,但与健康母亲所生的胎儿相比,过敏性母亲所生的胎儿的 n-3 PUFA 含量有降低的趋势(过敏性:5.63 ± 0.19 对对照组:6.17 ± 0.21,p = 0.093)。总之,过敏会导致孕妇在分娩时 n-3 PUFA 含量降低,n6-/n-3 脂肪酸比值升高,尤其是受哮喘和食物过敏影响的孕妇。在脐带血浆中也观察到了同样的趋势。患有过敏性疾病的妇女最好摄入更多的 n-3 PUFA,以改善她们的血脂状况、促炎状态及其后代的健康。
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引用次数: 0
An Animal Model to Investigate Postprandial Metabolism 研究餐后代谢的动物模型
Pub Date : 2024-02-19 DOI: 10.3390/proceedings2023091337
Larissa Rodrigues, Tushar More, C. M. Donado-Pestana, Amanda Domingos Vasconcelos, Vinicius Bonfieti Mantovam, Karsten Hiller, J. Fiamoncini
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引用次数: 0
Exploring the Inter-Individual Variability in Response to Food in Seniors Living at Home: The MetabotypAGE Project 探索居家老人对食物反应的个体差异:MetabotypAGE 项目
Pub Date : 2024-02-19 DOI: 10.3390/proceedings2023091332
C. Manach, Cécile Gladine, Christine Morand, L. Mosoni, E. Pujos-Guillot, Didier Rémond, S. Polakof
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引用次数: 0
Investigating the Role of Genetics in Fatty Acids Oral Perception and Related Traits in Two European Cohorts 调查遗传在两个欧洲群体脂肪酸口腔感知和相关特征中的作用
Pub Date : 2024-02-19 DOI: 10.3390/proceedings2023091343
Francesco Piluso, Harry Stevens, C. Graham, Alexandra King, L. Pilic, Paolo Gasparini, M. P. Concas
: Unsaturated fatty acids (FAs) can influence various aspects of human biology (e.g., the immune system), and an excess of saturated fatty acids is associated with non-communicable diseases. The orosensory perception of FAs has been demonstrated and debated as a possible sixth taste. The Cluster of Differentiation 36 ( CD36 ) gene codes for a membrane protein apically located in taste bud cells, which is considered a possible fat taste mediator. The single nucleotide polymorphism (SNP) rs1761667 (G>A) is associated with a reduced protein expression, possibly leading to fat taste hyposensitivity, but the results are controversial. Here, we investigate, in two European cohorts, rs1761667’s role on taste perception, food liking as an intake determinant, and diet-related traits. We analysed two cohorts from the UK (n = 49; 63% female) and Italy (Friuli Venezia Giulia (FVG); n = 235; 54% female). Data collected were taste perception and liking via actual foodstuffs in the UK; food liking, as evaluated by a questionnaire, in FVG; the rs1761667 genotype; and BMI as an indicator of non-communicable diseases. The effect of the SNP on the considered phenotypes was evaluated using linear regression models. In the UK, A-allele carriers showed higher perceived intensity ( β = 0.99; p = 0.02) and reduced liking, although not significant ( β = − 0.30), from fat food sample; in the FVG cohort, we replicated the negative association between A-allele carriers and fat liking, specifically for “gorgonzola” cheese ( β -value = − 0.82; p = 0.03). These results align with the negative relationship seen between fat intensity and liking (cor = − 0.2). Regarding other tastes, we found that A-allele carriers (UK) showed higher umami food perceived intensity ( β -value = 0.89; p = 0.02) and reduced liking (FVG) for an umami food (“soy sauce”) ( β value
:不饱和脂肪酸(FA)可影响人体生物学的各个方面(如免疫系统),而饱和脂肪酸过量则与非传染性疾病相关。对脂肪酸的口感感知已被证明是一种可能的第六味,并引起了争论。分化簇 36(CD36)基因编码一种位于味蕾细胞顶端的膜蛋白,被认为是一种可能的脂肪味觉介质。单核苷酸多态性(SNP)rs1761667(G>A)与蛋白表达减少有关,可能导致脂肪味觉不敏感,但结果尚存争议。在此,我们在两个欧洲队列中调查了 rs1761667 对味觉感知、作为摄入决定因素的食物喜好以及饮食相关特征的作用。我们分析了来自英国(n = 49;63% 为女性)和意大利(弗留利-威尼斯-朱利亚(FVG);n = 235;54% 为女性)的两个队列。收集的数据包括在英国通过实际食品获得的味觉感知和喜好;在弗留利-威尼斯-朱利亚通过问卷评估的食物喜好;rs1761667 基因型;以及作为非传染性疾病指标的体重指数。利用线性回归模型评估了 SNP 对所考虑表型的影响。在英国,A-等位基因携带者对脂肪食物样本的感知强度较高 ( β = 0.99; p = 0.02),而对脂肪食物样本的喜好度较低,尽管并不显著 ( β = - 0.30);在 FVG 队列中,我们复制了 A-等位基因携带者与脂肪喜好度之间的负相关,特别是对 "戈贡佐拉 "奶酪的喜好度 ( β - 值 = - 0.82; p = 0.03)。这些结果与脂肪强度和喜好之间的负相关(cor = - 0.2)相一致。关于其他口味,我们发现 A-等位基因携带者(UK)表现出较高的鲜味食物感知强度(β - 值 = 0.89;p = 0.02),而对鲜味食物("酱油")的喜欢程度(FVG)则有所降低(β 值 = 0.89;p = 0.03)。
{"title":"Investigating the Role of Genetics in Fatty Acids Oral Perception and Related Traits in Two European Cohorts","authors":"Francesco Piluso, Harry Stevens, C. Graham, Alexandra King, L. Pilic, Paolo Gasparini, M. P. Concas","doi":"10.3390/proceedings2023091343","DOIUrl":"https://doi.org/10.3390/proceedings2023091343","url":null,"abstract":": Unsaturated fatty acids (FAs) can influence various aspects of human biology (e.g., the immune system), and an excess of saturated fatty acids is associated with non-communicable diseases. The orosensory perception of FAs has been demonstrated and debated as a possible sixth taste. The Cluster of Differentiation 36 ( CD36 ) gene codes for a membrane protein apically located in taste bud cells, which is considered a possible fat taste mediator. The single nucleotide polymorphism (SNP) rs1761667 (G>A) is associated with a reduced protein expression, possibly leading to fat taste hyposensitivity, but the results are controversial. Here, we investigate, in two European cohorts, rs1761667’s role on taste perception, food liking as an intake determinant, and diet-related traits. We analysed two cohorts from the UK (n = 49; 63% female) and Italy (Friuli Venezia Giulia (FVG); n = 235; 54% female). Data collected were taste perception and liking via actual foodstuffs in the UK; food liking, as evaluated by a questionnaire, in FVG; the rs1761667 genotype; and BMI as an indicator of non-communicable diseases. The effect of the SNP on the considered phenotypes was evaluated using linear regression models. In the UK, A-allele carriers showed higher perceived intensity ( β = 0.99; p = 0.02) and reduced liking, although not significant ( β = − 0.30), from fat food sample; in the FVG cohort, we replicated the negative association between A-allele carriers and fat liking, specifically for “gorgonzola” cheese ( β -value = − 0.82; p = 0.03). These results align with the negative relationship seen between fat intensity and liking (cor = − 0.2). Regarding other tastes, we found that A-allele carriers (UK) showed higher umami food perceived intensity ( β -value = 0.89; p = 0.02) and reduced liking (FVG) for an umami food (“soy sauce”) ( β value","PeriodicalId":507355,"journal":{"name":"The 14th European Nutrition Conference FENS 2023","volume":"13 7","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140450666","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Variant of SNP 1799930 Identifies the Protective Character of High Metabolizing of Xenobiotics in Individuals with Overweight and Obesity SNP 1799930 的变异确定了超重和肥胖症患者体内异生物高代谢的保护特性
Pub Date : 2024-02-18 DOI: 10.3390/proceedings2023091330
M. Pinhel, L. Watanabe, N. Noronha, G. Rodrigues, F. Barbosa Junior, Carolina Nicoletti, C. Nonino
: Background and Objectives: Enzymes involved with acetylation capacity affects the metabolization of several xenobiotics that can be deposited in adipose tissue and hinder weight loss, leading to obesity. Our aim was to identify single nucleotide polymorphisms (SNPs) related to the xenobiotic’s metabolism and to associate such with the serum levels of heavy metals in an individual with excess body weight. Methods: The sample was selected at the Ribeir ã o Preto Medical School at the University of S ã o Paulo, Brazil. Genotyping arrays were performed with 23 SNPs. Quality control and imputation steps were applied using the functions in the package ‘snpReady’ (CRAN) and ‘imput’ (Bioconductor). Results: This study selected 189 individuals of mixed ethnicity of both sexes, with a mean age of 42.2 ± 12.9 years and a mean BMI of 45.1 ± 11.4 kg/cm 2 . From the cluster of 23 evaluated SNPs, we observed a higher frequency of SNP 1799930 in the NAT2 gene (N-acetyltraferase). The genotypes were correlated to the serum levels of different metals. We observed that individuals homozygous for the mutant allele (AA), called fast metabolizers, had lower levels of aluminum (Al) (51.4 ± 18.9 µ g/L) compared to those considered slow metabolizers (GG) (64.0 ± 37.2 µ g/L; p = 0.02). No difference was observed when compared with heterozygosity (AG). Furthermore, the BMI of fast metabolizers (48.7 ± 12.8 kg/cm 2 ) was higher than the slow metabolizer individuals (45.9 ± 10.4 kg/cm 2 ; p < 0.05). Discussion: Fast metabolizers seem to have a greater Al metabolization only in homozygosis, that is, the dose-dependent gene, to exert its effect. Interestingly, the presence of the AA genotype is associated with a higher BMI, suggesting that larger studies should be carried out investigating the deposition of metals in adipose tissue
:背景和目的:乙酰化能力所涉及的酶会影响多种异生物体的代谢,这些异生物体会沉积在脂肪组织中,阻碍体重减轻,从而导致肥胖。我们的目的是鉴定与异生物代谢相关的单核苷酸多态性(SNPs),并将其与体重超标者血清中的重金属水平联系起来。研究方法样本选自巴西圣保罗大学 Ribeir ã o Preto 医学院。对 23 个 SNPs 进行了基因分型阵列分析。使用软件包 "snpReady"(CRAN)和 "imput"(Bioconductor)中的函数进行质量控制和估算。研究结果本研究选取了 189 名男女混血儿,平均年龄为 42.2 ± 12.9 岁,平均体重指数为 45.1 ± 11.4 kg/cm 2。在 23 个被评估的 SNP 群中,我们观察到 NAT2 基因(N-乙酰特拉弗酶)中 SNP 1799930 的频率较高。基因型与不同金属的血清水平相关。我们观察到,与代谢缓慢的个体(GG)(64.0 ± 37.2 µ g/L;p = 0.02)相比,突变等位基因的同源个体(AA)(即快速代谢者)的铝(Al)含量(51.4 ± 18.9 µ g/L)较低。与杂合子(AG)相比,没有观察到差异。此外,快代谢者的体重指数(48.7 ± 12.8 kg/cm 2)高于慢代谢者(45.9 ± 10.4 kg/cm 2;p < 0.05)。讨论快速代谢者似乎只有在同卵双生(即剂量依赖性基因)的情况下才有更大的 Al 代谢能力,才能发挥其作用。有趣的是,AA 基因型的存在与较高的体重指数有关,这表明应开展更大规模的研究,调查金属在脂肪组织中的沉积情况。
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引用次数: 0
The Representation of Non-Meat Proteins in Food-Based Dietary Guidelines: A Review of National Guidelines in Europe 非肉类蛋白质在食品膳食指南中的代表性:欧洲国家指南回顾
Pub Date : 2024-02-18 DOI: 10.3390/proceedings2023091328
Hannah E. Theobald, Veronica Moran
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引用次数: 0
Replacing Part of Maltodextrin with Galactose in Early Life Diet Results in an Improved Body Composition and Energy Metabolism in a Mouse Model 用半乳糖替代小鼠早期饮食中的部分麦芽糊精可改善小鼠的身体成分和能量代谢
Pub Date : 2024-02-18 DOI: 10.3390/proceedings2023091327
Maryam Rakhshandehroo, Peixin Sun, Melissa Bekkenkamp‐Grovenstein, L. Schipper, E. V. van Schothorst
: Background: Lactose, a disaccharide of glucose and galactose, is the primary carbohydrate found in milk. Recently, there has been an increased demand for low lactose/lactose-free infant formulas. Maltodextrin (MDX) is a popular, alternative carbohydrate source in these formulas, yet the (long-term
:背景:乳糖是葡萄糖和半乳糖的双糖,是牛奶中的主要碳水化合物。最近,人们对低乳糖/无乳糖婴儿配方奶粉的需求越来越大。麦芽糊精(MDX)是这些配方奶粉中一种流行的替代碳水化合物来源,但(长期
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引用次数: 0
The Updated Algorithm of Front-of-Pack Label Nutri-Score Is Not in Line with Dutch Food-Based Dietary Guidelines: Results of Calculations with Dutch Food Composition Database 包装前标签营养成分的最新算法与荷兰食品膳食指南不一致:利用荷兰食品成分数据库的计算结果
Pub Date : 2024-02-18 DOI: 10.3390/proceedings2023091326
Jacco Gerritsen, Hans Verhagen, S. Peters
of
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引用次数: 0
Diet-Specific Multi-Omics Markers Associated with Metabolic Health Benefits Can Be Determined in Vegan Population 可在素食人群中确定与代谢健康益处相关的饮食特异性多指标标志物
Pub Date : 2024-02-18 DOI: 10.3390/proceedings2023091329
A. Ouřadová, M. Cahova, J. Gojda, A. Naccarati, G. Ferrero, M. Heniková, Tooba Asif
: Background and objectives: Diet is one of the fundamental factors that not only determines metabolic health but also shapes the gut microbiome and serum metabolome (MIME). Plant-based diets are associated with potential health benefits, but their effect on MIME remain to be elucidated. We sought to determine whether diet-dependent markers explaining the observed health benefits of a vegan diet could be identified in the MIME of vegans from different geographic regions. Methods: Lean, healthy vegans ( n = 100) and omnivores ( n = 73) with comparable BMI from two geographical regions (Czech Republic, Northern Italy) participated in the cross-sectional study. Based on their clinical characteristics and serum markers, we investigated their glucose and lipid metabolism and used an integrated multi-omics approach (16S rRNA sequencing, metabolomics and lipidomics profiling) to identify country-and diet-specific MIME markers. Results: Czech and Italian vegans exhibited more favorable lipid profile parameters compared to omnivores characterized by decreased serum concentrations of sphingomyelins, ceramides, cholesterol esters, and lipid species containing saturated fatty acid. Using a machine learning approach, we were able to discriminate between vegans and omnivores based on separate omics datasets, regardless of country of origin. By combining all MIME features, we were able to identify a vegan diet-specific multi-omics signature that allows for the classification of vegans and omnivores with high accuracy. Most of the vegan-specific variables were associated with favorable indices of lipid and glucose metabolism, inflammation, or body weight. Discussion: Most of the MIME markers that are down-regulated in vegans are predominantly associated with adverse health outcomes, whereas those that are up-regulated are associated with a healthy phenotype and a low risk of non-communicable diseases. Our findings support the potential use of a healthy plant-based diet in the treatment of metabolic disorders.
:背景和目的:饮食是基本因素之一,它不仅决定代谢健康,还塑造肠道微生物组和血清代谢组(MIME)。植物性饮食具有潜在的健康益处,但其对 MIME 的影响仍有待阐明。我们试图确定能否在不同地区的素食者的 MIME 中发现依赖于饮食的标记物,以解释所观察到的素食对健康的益处。研究方法来自两个地区(捷克共和国和意大利北部)的体重指数相当的健康瘦素食者(100 人)和杂食者(73 人)参加了横断面研究。根据他们的临床特征和血清标志物,我们调查了他们的葡萄糖和脂质代谢情况,并采用综合多组学方法(16S rRNA 测序、代谢组学和脂质组学分析)确定了国家和饮食特异性 MIME 标志物。结果发现与杂食动物相比,捷克和意大利的素食者表现出更有利的脂质特征参数,其特点是血清中的鞘磷脂、神经酰胺、胆固醇酯和含饱和脂肪酸的脂质种类浓度降低。利用机器学习方法,我们能够根据不同的 omics 数据集区分素食者和杂食者,而不考虑原产国。通过结合所有 MIME 特征,我们能够识别出素食者饮食特异性多组学特征,从而高精度地对素食者和杂食者进行分类。大多数素食者特异性变量与有利的脂质和葡萄糖代谢、炎症或体重指数相关。讨论大多数在素食者中下调的 MIME 指标主要与不良健康结果有关,而上调的 MIME 指标则与健康表型和非传染性疾病的低风险有关。我们的研究结果支持将健康的植物性饮食用于治疗代谢紊乱。
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引用次数: 0
期刊
The 14th European Nutrition Conference FENS 2023
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