期刊
NUTRIENTS
卷 14, 期 10, 页码 -出版社
MDPI
DOI: 10.3390/nu14102093
关键词
trimethylamine N-oxide; Type 2 diabetes; diet; case control study
资金
- Deanship of Scientific Research at King Saud University, Riyadh, Saudi Arabia
This study compared plasma TMAO levels in people with or without T2D and explored the association between TMAO and T2D. The results showed a significant association between higher plasma TMAO levels and T2D, with red meat consumption being a contributing factor. Further research is needed to assess the correlation between TMAO and T2D.
Animal and human studies have reported conflicting results on the relationship between circulating trimethylamine N-oxide (TMAO) levels and risk of Type 2 diabetes (T2D). This study aimed to compare plasma TMAO levels in people with or without T2D and explore the association of TMAO and T2D. A prospective case-control study of 297 participants, 164 healthy controls and 133 patients with T2D, was conducted. TMAO levels were quantified by UPLC-MS/MS. Comorbidities, dietary patterns, physical activity, and blood biomarkers were assessed. Median (IQR) plasma TMAO levels were significantly higher in diabetes cases (4.95 (2.84-8.35) mu mol/L) compared to healthy controls (3.07 (2.05-4.82) mu mol/L) (p < 0.001). The association between TMAO and T2D was significant in the non-adjusted Model 1 (p < 0.001) and after adjusting for confounders of diabetes including age, BMI, and level of education in Model 2 (p = 0.04). When the association was further adjusted for physical activity and diet in Model 3, plasma TMAO levels at only the highest quartile (>6.40 mu mol/L) were associated with the risk of diabetes (OR = 3.36, 95% CI [1.26, 9.04], p = 0.02). The results presented suggest an association between plasma TMAO levels and T2D. A significant correlation was found between red meat consumption and increased levels of TMAO in T2D patients. A longitudinal study is warranted to further evaluate the correlation between TMAO and T2D.
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