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Updated: Apr 6, 2026

A Modified Simple Method for Induction of Myocardial Infarction in Mice
Published on: December 3, 2021
Effects of interleukin-37 on cardiac function after myocardial infarction in mice
Daoying Xu1, Aiqin Wang2, Fengqin Jiang1
1Department of Cardiology, Binzhou People's Hospital Binzhou City 256610, Shandong Province, China.
Background:
Interleukin-37 (IL-37) is a new discovered member of the interleukin family and plays anti-inflammatory effect in some inflammatory disease. A recent study found that IL-37 elevated significantly in peripheral blood of patients with acute myocardial infarction. We aimed to explore the effect IL-37 on cardiac function after mice myocardial infarction (MI) and its mechanism.
Methods:
Acute MI mouse model was established and divided into three groups: sham group, MI group and IL-37 treatment group. MPO expression was detected by immunohistochemistry; NF-κB signaling pathway was tested by Western blot; and cardiac function was measured by echocardiography.
Results:
Compared with MI mice, IL-37 treatment showed an obvious decrease of MPO expression, suppression of p-p65 expression, and improved cardiac function by decreasing left ventricular shortening fraction (LVFS).
Conclusion:
IL-37 may improve MI mice cardiac function via inhibition of inflammatory NF-κB signaling pathway.

