期刊
SHOCK
卷 55, 期 2, 页码 177-188出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/SHK.0000000000001625
关键词
Cardiac repair; efferocytosis; heart failure; macrophages; myocardial infarction; phagocytosis; resolution of inflammation
资金
- American Heart Association (AHA) [17EIA33400063]
- National Institute of Health [GM-126061, GM-132149]
- AHA Pre-doctoral Fellowship [18PRE33960576]
Macrophages are crucial for cardiac development, homeostasis, and healing, playing a vital role in clearing dying cells and cellular debris through efferocytosis. Understanding macrophage efferocytosis provides valuable insights on cardiac health and offers new therapeutic strategies for patients with heart failure.
As an integral component of cardiac tissue, macrophages are critical for cardiac development, adult heart homeostasis, as well as cardiac healing. One fundamental function of macrophages involves the clearance of dying cells or debris, a process termed efferocytosis. Current literature primarily pays attention to the impact of efferocytosis on apoptotic cells. However, emerging evidence suggests that necrotic cells and their released cellular debris can also be removed by cardiac macrophages through efferocytosis. Importantly, recent studies have demonstrated that macrophage efferocytosis plays an essential role in cardiac pathophysiology and repair. Therefore, understanding macrophage efferocytosis would provide valuable insights on cardiac health, and may offer new therapeutic strategies for the treatment of patients with heart failure. In this review, we first summarize the molecular signals that are associated with macrophage efferocytosis of apoptotic and necrotic cells, and then discuss how the linkage of efferocytosis to the resolution of inflammation affects cardiac function and recovery under normal and diseased conditions. Lastly, we highlight new discoveries related to the effects of macrophage efferocytosis on cardiac injury and repair.
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