miRNAs and T cell-mediated Immune Response in Disease

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

We reviewed the role of miRNAs in the regulation of T cell differentiation and function in cardiometabolic inflammatory diseases, such as obesity, type 2 diabetes, atherosclerosis, and autoimmune diseases, such as type 1 diabetes, rheumatoid arthritis, asthma, and cancer. Cardiometabolic diseases, type 1 diabetes, and rheumatoid arthritis are characterized by miRNA expression profiles that favor the differentiation of T helper 1 and 17 cells and cytotoxic cells and a decrease in T helper 2 cells, regulatory T cells, and myeloid-derived suppressor cells. Asthma is characterized by changes in miRNAs that favor the differentiation of T helper 2 cells. Finally, cancer is characterized by miRNA profiles that cause a decrease in T helper 1 and 17 cells and cytotoxic cells and an increase in T helper 2 cells, regulatory T cells, and myeloid-derived suppressor cells. In particular, differences in the expression of miR-155 and a cluster containing Let-7, miR-10a, miR-17-92, miR-34a, miR-142, and miR-150 may determine whether the balance flips towards cytotoxicity or immunosuppression. High levels of miR-21 and miR-29 and low levels of miR-150 are associated with T cell profiles that protect against inflammatory and autoimmune diseases associated with tissue damage but also induce tumor growth. All these miRNAs were found to be associated with disease progression and/or response to thera

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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