4.7 Article

Long-Term Dietary Patterns Are Reflected in the Plasma Inflammatory Proteome of Patients with Inflammatory Bowel Disease

期刊

NUTRIENTS
卷 14, 期 12, 页码 -

出版社

MDPI
DOI: 10.3390/nu14122522

关键词

diet; Crohn's disease; ulcerative colitis; proteomics; FGF-19

资金

  1. collaborative T cell driven Immune Mediated Inflammatory Diseases (TIMID) project - PPP allowance by Top Sector Life Sciences Health [LSHM18057-SGF]
  2. Seerave Foundation
  3. Takeda
  4. Junior Scientific Masterclass (JSM), University of Groningen, the Netherlands [17-57]

向作者/读者索取更多资源

This study aimed to investigate the association between dietary patterns and circulating inflammatory proteins in patients with inflammatory bowel disease (IBD). The results showed that a high-sugar diet was inversely associated with fibroblast growth factor-19 (FGF-19), while a Mediterranean-style diet was associated with higher FGF-19 levels. A diet characterized by high alcohol and coffee intake was positively associated with CCL11 levels and lower levels of IL-12B.
Diet plays an important role in the development and progression of inflammatory bowel disease (IBD, comprising Crohn's disease (CD) and ulcerative colitis (UC)). However, little is known about the extent to which different diets reflect inflammation in IBD beyond measures such as faecal calprotectin or C-reactive protein. In this study, we aimed to unravel associations between dietary patterns and circulating inflammatory proteins in patients with IBD. Plasma concentrations of 73 different inflammation-related proteins were measured in 454 patients with IBD by proximity extension assay (PEA) technology. Food frequency questionnaires (FFQ) were used to assess habitual diet. Principal component analysis (PCA) was performed to extract data-driven dietary patterns. To identify associations between dietary patterns and plasma proteins, we used general linear models adjusting for age, sex, BMI, plasma storage time, smoking, surgical history and medication use. Stratified analyses were performed for IBD type, disease activity and protein intake. A high-sugar diet was strongly inversely associated with fibroblast growth factor-19 (FGF-19) independent of IBD type, disease activity, surgical history and deviance from recommended protein intake (false discovery rate (FDR) < 0.05). Conversely, a Mediterranean-style pattern was associated with higher FGF-19 levels (FDR < 0.05). A pattern characterised by high alcohol and coffee intake was positively associated with CCL11 (eotaxin-1) levels and with lower levels of IL-12B (FDR < 0.05). All results were replicated in CD, whereas only the association with FGF-19 was significant in UC. Our study suggests that dietary habits influence distinct circulating inflammatory proteins implicated in IBD and supports the pro- and anti-inflammatory role of diet. Longitudinal measurements of inflammatory markers, also postprandial, are needed to further elucidate the diet-inflammation relationship.

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