ArticleProteomics2025
Reduction of Chemokine CXCL9 Expression by Omega-3 Fatty Acids via ADP-Ribosylhydrolase ARH3 in MIN6 Insulin-Producing Cells.
Article in Proteomics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Immune dysregulation in gestational diabetes mellitus: placental downregulation of CXCL9 and IL1RL1 and altered immune cell infiltration.Frontiers in cell and developmental biology · 2026Article
- Rapid protein carbonylation and decreased insulin secretion induced by inflammatory oxidative stress compounds.Free radical biology & medicine · 2026Article
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8 authors.
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Abstract
Type 1 diabetes (T1D) results from the autoimmune destruction of the insulin-producing β cells of the pancreas. Omega-3 fatty acids protect β cells and reduce the incidence of T1D, but the mechanism is poorly understood. We have shown that omega-3 fatty acids reduce pro-inflammatory cytokine-mediated β-cell apoptosis by upregulating the expression of the ADP-ribosylhydrolase ARH3. Here, we further investigate the β-cell protection mechanism of ARH3 by performing siRNA analysis of its gene Adprhl2 in MIN6 insulin-producing cells, subsequent treatment with a cocktail of the pro-inflammatory cytokines IL-1β + IFN-γ + TNF-α, followed by proteomics analysis. ARH3 regulated proteins from several pathways related to the nucleus (splicing, RNA surveillance, and nucleocytoplasmic transport), mitochondria (metabolic pathways), and endoplasmic reticulum (protein folding). ARH3 also regulated the levels of proteins related to antigen processing and presentation, and the chemokine-signaling pathway. We further studied the role of ARH3 in regulating the chemokine CXCL9. We found that ARH3 reduces the cytokine-induced expression of CXCL9, which is dependent on omega-3 fatty acids. In conclusion, we demonstrate that omega-3 fatty acids regulate CXCL9 expression via ARH3, which may have a role in protecting β cells from immune attack thereby preventing T1D development. Significance of the Study: Omega-3 fatty acids have a variety of health benefits. In type 1 diabetes, omega-3 fatty acids reduce the islet autoimmune response and the disease development. Here, we studied the pathways regulated by the adenosine diphosphate (ADP)-ribosylhydrolase ARH3, a protein whose expression is regulated by omega-3 fatty acids. We showed that ARH3 reduces the expression of chemokines in response to omega-3 fatty acids. This represents an anti-inflammatory mechanism of omega-3 fatty acids that might be involved with protection against type 1 diabetes development.
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