Why the study?
Understanding the role of the IL-15/IL-15R system in cardiovascular diseases may provide a scientific basis for developing new therapeutic approaches.
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Design
Review
IL-15 may protect cardiac function in MI models; leaves open whether cytokine modulation improves human outcomes.
Interleukin (IL)-15 is a recently identified cytokine, which belongs to the interleukin-2(IL-2) family, and plays an important role in innate and adaptive immunoreaction. Given the fact that the structure of IL-15 is partially similar to IL-2, they share some common biological effects, including immunoregulation. IL-2 was proven to protect cardiac function in mouse myocardial infarction models. Cardiovascular diseases (CVDs) dominate the cause of mortality worldwide. Besides atherosclerosis, inflammation is also widely involved in the pathogenesis of many CVDs including hypertension, heart failure (HF) and aneurysm. IL-15, as a pro-inflammatory cytokine, is up-regulated in some cardiovascular diseases, such as myocardial infarction and atherosclerosis. The current understanding of IL-15, including its signal pathway and cellular function, was described. Furthermore, IL-15 has a protective effect in myocardial infarction and myocarditis by decreasing cardiomyocyte death and improving heart function. The inhibited effect of IL-15 in ductus arteriosus (DA) should be focused on. IL-15 promoted atherogenesis. IL-15 may be a good target in treatment of cardiovascular diabetology. Finally, future research direction of IL-15 deserves attention. Since IL-15 plays several roles in CVDs, understanding the role of the IL-15/IL-15R system may provide a scientific basis for the development of new approaches that use IL-15 for the treatment of CVDs.
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Guo et al. (2020) studied this question.
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