Abstract
Many cytokines have been reported to be increased in human and animal models with cardiovascular diseases. Myocardial infarction (MI) is accompanied with an inflammatory reaction which induces cardiac dysfunction and remodeling. The inflammatory reaction has been investigated in animal models of MI or myocardial ischemia-reperfusion injury. The mechanisms by which cytokine cascade is activated in the infarcted myocardium have been recently elucidated. Several hematopoietic growth factors including interleukin-3 (IL-3), IL-6, granulocyte-macrophage colonystimulating factors (GM-CSF), granulocyte colony-stimulating factor (G-CSF), and stem cell factor (SCF) have been reported to be positive regulators of granulopoiesis and act at different stages of myeloid cell development. G-CSF plays a critical role in regulation of proliferation, differentiation, and survival of myeloid progenitor cells. G-CSF also causes a marked increase in the release of hematopoietic stem cells (HSCs) into the peripheral blood circulation, a process termed mobilization. Although cardiac myocytes have been considered as terminally differentiated cells, it has been recently reported that there are many proliferating cardiac myocytes after MI in human heart. After it was demonstrated that bone marrow stem cells (BMSCs) can differentiate into cardiac myocytes, myocardial regeneration has been widely investigated. Recently, G-CSF has been reported to improve cardiac function and reduces mortality after acute MI. Although the mechanism by which G-CSF ameliorates cardiac dysfunction is not fully understood, there is the possibility that G-CSF may regenerate cardiac myocytes and blood vessels through mobilization of BMSCs. In the future, cytokinemediated regeneration therapy may become to be a novel therapeutic strategy for MI.
Keywords: bone marrow, cardiac myocyte, cytokine, mobilization, myocardial infarction, regeneration, stem cell
Current Pharmaceutical Design
Title: Pleiotropic Effects of Cytokines on Acute Myocardial Infarction: G-CSF as A Novel Therapy for Acute Myocardial Infarction
Volume: 9 Issue: 14
Author(s): Hiroyuki Takano, Masashi Ohtsuka, Hiroshi Akazawa, Haruhiro Toko, Mutsuo Harada, Hiroshi Hasegawa, Toshio Nagai and Issei Komuro
Affiliation:
Keywords: bone marrow, cardiac myocyte, cytokine, mobilization, myocardial infarction, regeneration, stem cell
Abstract: Many cytokines have been reported to be increased in human and animal models with cardiovascular diseases. Myocardial infarction (MI) is accompanied with an inflammatory reaction which induces cardiac dysfunction and remodeling. The inflammatory reaction has been investigated in animal models of MI or myocardial ischemia-reperfusion injury. The mechanisms by which cytokine cascade is activated in the infarcted myocardium have been recently elucidated. Several hematopoietic growth factors including interleukin-3 (IL-3), IL-6, granulocyte-macrophage colonystimulating factors (GM-CSF), granulocyte colony-stimulating factor (G-CSF), and stem cell factor (SCF) have been reported to be positive regulators of granulopoiesis and act at different stages of myeloid cell development. G-CSF plays a critical role in regulation of proliferation, differentiation, and survival of myeloid progenitor cells. G-CSF also causes a marked increase in the release of hematopoietic stem cells (HSCs) into the peripheral blood circulation, a process termed mobilization. Although cardiac myocytes have been considered as terminally differentiated cells, it has been recently reported that there are many proliferating cardiac myocytes after MI in human heart. After it was demonstrated that bone marrow stem cells (BMSCs) can differentiate into cardiac myocytes, myocardial regeneration has been widely investigated. Recently, G-CSF has been reported to improve cardiac function and reduces mortality after acute MI. Although the mechanism by which G-CSF ameliorates cardiac dysfunction is not fully understood, there is the possibility that G-CSF may regenerate cardiac myocytes and blood vessels through mobilization of BMSCs. In the future, cytokinemediated regeneration therapy may become to be a novel therapeutic strategy for MI.
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Takano Hiroyuki, Ohtsuka Masashi, Akazawa Hiroshi, Toko Haruhiro, Harada Mutsuo, Hasegawa Hiroshi, Nagai Toshio and Komuro Issei, Pleiotropic Effects of Cytokines on Acute Myocardial Infarction: G-CSF as A Novel Therapy for Acute Myocardial Infarction, Current Pharmaceutical Design 2003; 9 (14) . https://dx.doi.org/10.2174/1381612033455008
DOI https://dx.doi.org/10.2174/1381612033455008 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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