Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), P.O. Box: 14155-6117, Tehran, Iran.
Endocrinology and Nephrology Unit, CHU de Québec-Laval University, Research Center, Québec, QC, Canada.
BMC Res Notes. 2021 Jul 21;14(1):279. doi: 10.1186/s13104-021-05699-1.
The associations between dietary carbohydrate, fat intake, and inflammation are controversial. Most existing data are from industrialized societies which low-carbohydrate and high-fat diet is common and so their attribution to other populations remains unclear. We evaluated the association of fat and carbohydrate intakes with inflammatory markers in pre-menopause women with overweight or obesity in Iran.
Three hundred and sixty women with body mass index (BMI) ≥ 25 were included to this study. The levels of monocyte chemoattractant protein-1 (MCP-1) indicated a trend towards significance across tertiles of total dietary carbohydrate. We found that the levels of galectin-3 were negatively associated with dietary carbohydrate in adjusted model. In addition, the levels of MCP-1 and transforming growth factor beta (TGF-β) were positively correlated to dietary carbohydrate. No significant relationship was demonstrated between inflammatory parameters and total fat intake). However, there was a borderline significant negative association between total fat intake and TGF-β level in adjusted model. Therefore, a total dietary carbohydrate were related to elevated inflammation risk, while a total fat intake were not associated to higher inflammation. This study suggests reconsideration of applying global dietary guidelines in societies with high carbohydrate diet.
碳水化合物和脂肪摄入量与炎症之间的关联存在争议。大多数现有数据来自工业化社会,这些社会普遍存在低碳水化合物和高脂肪饮食,因此其在其他人群中的归因尚不清楚。我们评估了超重或肥胖的绝经前伊朗女性的脂肪和碳水化合物摄入量与炎症标志物之间的关联。
本研究共纳入 360 名体重指数(BMI)≥25 的女性。单核细胞趋化蛋白-1(MCP-1)的水平在总膳食碳水化合物的三分位中呈显著趋势。我们发现,在调整后的模型中,半乳糖凝集素-3的水平与膳食碳水化合物呈负相关。此外,MCP-1 和转化生长因子-β(TGF-β)的水平与膳食碳水化合物呈正相关。炎症参数与总脂肪摄入量之间没有显著关系。然而,在调整后的模型中,总脂肪摄入量与 TGF-β水平呈边缘显著负相关。因此,总膳食碳水化合物与炎症风险升高有关,而总脂肪摄入量与更高的炎症无关。本研究表明,在碳水化合物摄入量较高的社会中,需要重新考虑应用全球膳食指南。