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KMID : 0368120230530060367
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Korean Circulation Journal
2023 Volume.53 No. 6 p.367 ~ p.386
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Are There Hopeful Therapeutic Strategies to Regenerate the Infarcted Hearts?
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Oh Gyu-Chul
Choi Yeon-Jik
Park Bong-Woo
Ban Ki-Won
Park Hun-Jun
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Abstract
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Ischemic heart disease remains the primary cause of morbidity and mortality worldwide. Despite significant advancements in pharmacological and revascularization techniques in the late 20th century, heart failure prevalence after myocardial infarction has gradually increased over the last 2 decades. After ischemic injury, pathological remodeling results in cardiomyocytes (CMs) loss and fibrosis, which leads to impaired heart function. Unfortunately, there are no clinical therapies to regenerate CMs to date, and the adult heart’s limited turnover rate of CMs hinders its ability to self-regenerate. In this review, we present novel therapeutic strategies to regenerate injured myocardium, including (1) reconstruction of cardiac niche microenvironment, (2) recruitment of functional CMs by promoting their proliferation or differentiation, and (3) organizing 3-dimensional tissue construct beyond the CMs. Additionally, we highlight recent mechanistic insights that govern these strategies and identify current challenges in translating these approaches to human patients.
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KEYWORD
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Ischemic heart disease, Cardiac niches, Cardiomyocytes, Heart development, Cardiac regeneration
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