| Mobilization of CD34/CXCR4+, CD34/CD117+, c-met+ stem cells, and mononuclear cells expressing early cardiac, muscle, and endothelial markers into peripheral blood in patients with acute myocardial infarction. | |
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MedLine Citation:
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PMID: 15533859 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Adult stem cells can contribute to myocardial regeneration after ischemic injury. Bone marrow and skeletal muscles contain a population of CXCR4+ cells expressing genes specific for muscle progenitor cells that can be mobilized into the peripheral blood. The aims of the study were (1) to confirm the presence of early tissue-committed cells expressing cardiac, muscle, and endothelial markers in populations of mononuclear cells in peripheral blood and (2) to assess the dynamics and magnitude of the mobilization of CD34+, CD117+, CXCR4+, c-met+, CD34/CD117+, and CD34/CXCR4+ stem cells into peripheral blood in relation to inflammatory and hematopoietic cytokines in patients with ST-segment-elevation acute myocardial infarction (STEMI). METHODS AND RESULTS: Fifty-six patients with STEMI (<12 hours), 39 with stable angina, and 20 healthy control subjects were enrolled. Real-time reverse transcription-polymerase chain reaction (RT-PCR) was used for detection of tissue-specific markers. The number of the cells was assessed by use of a flow cytometer on admission, after 24 hours, and after 7 days. RT-PCR revealed increased expression of mRNA (up to 3.5-fold increase) for specific cardiac (GATA4, MEF2C, Nkx2.5/Csx), muscle (Myf5, Myogenin, MyoD), and endothelial (VE-cadherin, von Willebrand factor) markers in peripheral blood mononuclear cells. The number of CD34/CXCR4+ and CD34/CD117+ and c-met+ stem cells in peripheral blood was significantly higher in STEMI patients than in stable angina and healthy subjects, peaking on admission, without further significant increase after 24 hours and 7 days. CONCLUSIONS: The study demonstrates in the setting of STEMI a marked mobilization of mononuclear cells expressing specific cardiac, muscle, and endothelial markers as well as CD34/CXCR4+ and CD34/CD117+ and c-met+ stem cells and shows that stromal cell-derived factor-1 is an important factor influencing the mobilization. |
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Authors:
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Wojciech Wojakowski; Michał Tendera; Anna Michałowska; Marcin Majka; Magdalena Kucia; Katarzyna Maślankiewicz; Rafał Wyderka; Andrzej Ochała; Mariusz Z Ratajczak |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't Date: 2004-11-08 |
Journal Detail:
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Title: Circulation Volume: 110 ISSN: 1524-4539 ISO Abbreviation: Circulation Publication Date: 2004 Nov |
Date Detail:
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Created Date: 2004-11-16 Completed Date: 2005-06-15 Revised Date: 2009-11-19 |
Medline Journal Info:
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Nlm Unique ID: 0147763 Medline TA: Circulation Country: United States |
Other Details:
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Languages: eng Pagination: 3213-20 Citation Subset: AIM; IM |
Affiliation:
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Third Division of Cardiology, Silesian School of Medicine, 45-47 Ziołowa St, 40-635 Katowice, Poland. wojwoj@mp.pl |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Angina Pectoris / blood, physiopathology Antigens, CD34 / analysis Antigens, Differentiation / analysis* Blood Cell Count Chemokine CXCL12 Chemokines, CXC / blood, physiology Cytokines / blood* Endothelium / cytology Female Flow Cytometry Follow-Up Studies Granulocyte Colony-Stimulating Factor / blood Hepatocyte Growth Factor / blood Humans Inflammation / blood Interleukin-6 / blood Leukocytes, Mononuclear / chemistry, physiology* Male Middle Aged Multipotent Stem Cells / chemistry, physiology* Muscles / cytology Myocardial Infarction / blood*, physiopathology Myocardium / cytology Proto-Oncogene Proteins c-kit / analysis Proto-Oncogene Proteins c-met / analysis Receptors, CXCR4 / analysis Reverse Transcriptase Polymerase Chain Reaction Vascular Endothelial Growth Factor A / blood |
| Chemical | |
Reg. No./Substance:
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0/Antigens, CD34; 0/Antigens, Differentiation; 0/CXCL12 protein, human; 0/Chemokine CXCL12; 0/Chemokines, CXC; 0/Cytokines; 0/Interleukin-6; 0/Receptors, CXCR4; 0/Vascular Endothelial Growth Factor A; 143011-72-7/Granulocyte Colony-Stimulating Factor; 67256-21-7/Hepatocyte Growth Factor; EC 2.7.10.1/Proto-Oncogene Proteins c-kit; EC 2.7.10.1/Proto-Oncogene Proteins c-met |
| Comments/Corrections | |
Comment In:
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Circulation. 2005 May 24;111(20):e307; author reply e307-8
[PMID:
15911713
]
Circulation. 2004 Nov 16;110(20):3158-60 [PMID: 15545526 ] Circulation. 2005 May 24;111(20):e307-8; author reply e307-8 [PMID: 15911712 ] |
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