期刊
JOURNAL OF FOOD BIOCHEMISTRY
卷 46, 期 1, 页码 -出版社
WILEY
DOI: 10.1111/jfbc.13960
关键词
erythritol; inflammation; low-calorie sweetener; macrophages; TNF-alpha
资金
- King Abdullah International Medical Research Center (KAIMRC) [RC18/171/R, RC20/510/R, RC19/322/R]
Research has shown that Erythritol can induce a proinflammatory phenotype in THP-1 macrophages and increase the population of necroptotic macrophages.
Low-calorie sweeteners are substitutes for sugar and frequently used by patients with cardiometabolic diseases. Erythritol, a natural low-calorie sugar alcohol, was linked to cardiometabolic diseases in several recent metabolomics studies. However, the characterization of its role in disease development is lacking. Macrophage polarization orchestrates the immune response in various inflammatory conditions, most notably cardiometabolic disease. Therefore, the physiological effects of Erythritol on THP-1 macrophages were investigated. We observed an increased cellular abundance of proinflammatory M1 macrophages, characterized by CD11c, TNF-alpha, CD64, CD38, and HLA-DR markers and decreased anti-inflammatory M2 macrophages, characterized by mannose receptor CD206. The, Erythritol increased ROS generation, and the activation of the AKT pathway, cytosolic calcium overload, and cell cycle arrest at the G1 phase. Concomitantly, an increased population of necroptotic macrophages was observed. In conclusion, we provide evidence that Erythritol induced the proinflammatory phenotype in THP-1 macrophages and this was associated with an increased population of necroptotic macrophages.
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