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Role of Innate Immune System in Inflammation and Cardiac Remodeling After Myocardial Infarction

[ Vol. 13 , Issue. 1 ]

Author(s):

Masafumi Takahashi   Pages 20 - 25 ( 6 )

Abstract:


The innate immune system is well recognized as the first line defense of foreign pathogens; however, it can also recognize endogenous signals released from injured tissues and induce sterile inflammation. Toll-like receptors (TLRs) and Nod-like receptors (NLRs) have been identified as its receptors, and they have been shown to play a key role in the disease processes of sterile inflammation, including myocardial infarction (MI). In particular, NLRs are the key components of the caspase-1 activating platform known as the “inflammasome,” which produces the potent proinflammatory cytokine interleukin-1β. The current article reviews the role of the innate immune system, especially TLRs and inflammasomes, in the pathophysiology of MI.

Keywords:

Cytokine, inflammasome, ischemia, nod-like receptor, reperfusion, toll-like receptor.

Affiliation:

Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi 329-0498, Japan.

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