Abstract Title:

Effects of Nano-α-Linolenic Acid and miR-146 on Mice with Viral Myocarditis.

Abstract Source:

J Nanosci Nanotechnol. 2021 Feb 1 ;21(2):1365-1371. PMID: 33183485

Abstract Author(s):

Li Li, Mingjiang Zhong, Qiyu Zuo, Wenxue Ma, Zhigao Jiang, Junhui Xiao, Aanchal Mathur, Mussie Gide

Article Affiliation:

Li Li


Micro RNA-146 (miR-146) is involved in mediating many innate and adaptive immune and inflammatory responses in the body. It is associated with a variety of systemic inflammation or autoimmune diseases, such as rheumatoid arthritis, systemic lupus erythematosus, and type 2 diabetes. In recent years, microRNAs (miRNAs) and nanotechnology have become research hotspots in cardiovascular pathology. The close relationship between host miRNAs andhas gradually been discovered by scientists, which may provide new directions for the treatment and prevention of viral myocarditis. At the same time, recent studies have also found that nano--linolenic acid and its metabolites can inhibit the production of inflammatory cytokines such as TNF-and IL-17; At the same time, they also have anti-lipid peroxidation effects. Therefore, in order to further explore the role of miR-146 and nano--linolenic acid in the occurrence and development of viral myocarditis, in this study, a mouse model of viral myocarditis was used to establish a VMC mouse model using. Intervention with different doses of nano--linolenic acid, the control group was injected with the same amount of sodium chloride buffer, and the changes in cardiac function and inflammation indexes were compared to evaluate the role in the pathogenesis of viral myocarditis. The results showed that this study suggested that serum miR-146 concentration in viral myocarditis mice is increased and is positively correlated with serum IL-17 and TNF-concentrations. This suggest that miR-146 in the circulation may be involved in the pathogenesis of viral myocarditis through IL-17 and TNF-, providing a theoretical basis for the role of miR-146 in viral myocarditis, but its specific mechanism of action needs to be further studied. At the same time, the research in this experiment showed that nano--linolenic acid significantly improves the survival rate of CVB3 infected mice and reduces myocardial damage. And with the increase of the dosage of nano--linolenic acid, the effect is more significant, showing a significant dose-effect relationship.

Study Type : Animal Study

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