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on October 13, 2003

Circulation. 2003
Published online before print October 13, 2003, doi: 10.1161/01.CIR.0000095788.78169.AF
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Submitted on May 7, 2003
Revised on August 8, 2003
Accepted on August 13, 2003

Infarct Remodeling After Intracoronary Progenitor Cell Treatment in Patients With Acute Myocardial Infarction (TOPCARE-AMI). Mechanistic Insights From Serial Contrast-Enhanced Magnetic Resonance Imaging

M. B. Britten MD, N. D. Abolmaali MD, B. Assmus MD, R. Lehmann MD, J. Honold MD, J. Schmitt MD, T. J. Vogl MD, H. Martin MD, V. Schächinger MD, S. Dimmeler PhD*, and A. M. Zeiher MD

From the Departments of Cardiology (M.B.B., B.A., R.L., J.H., V.S., S.D., A.M.Z.), Diagnostic and Interventional Radiology (N.D.A., J.S., T.J.V.), and Hematology (H.M.), J.W. Goethe-University Frankfurt, Frankfurt, Germany.

* To whom correspondence should be addressed. E-mail: dimmeler{at}em.uni-frankfurt.de.

Background--Experimental and initial clinical studies suggest that transplantation of circulating blood- (CPC) or bone marrow-derived (BMC) progenitor cells may beneficially affect postinfarction remodeling processes after acute myocardial infarction (AMI). To relate functional characteristics of the infused cells to quantitative measures of outcome at 4-month follow-up, we performed serial contrast-enhanced MRI and assessed the migratory capacity of the transplanted progenitor cells immediately before intracoronary infusion.

Methods and Results--In 28 patients with reperfused AMI receiving either BMCs or CPCs into the infarct artery 4.7±1.7 days after AMI, serial contrast-enhanced MRI performed initially and after 4 months revealed a significant increase in global ejection fraction (from 44±10% to 49±10%; P=0.003), a decrease in end-systolic volume (from 69±26 to 60±28 mL; P=0.003), and unchanged end-diastolic volumes (122±34 versus 117±37 mL; P=NS). Infarct size, measured as late enhancement (LE) volume, decreased significantly, from 46±32 to 37±28 mL (P<0.05). There was a significant correlation between the reduction in LE volume and global ejection fraction improvement. The migratory capacity of transplanted cells as assessed ex vivo toward a gradient of vascular endothelial growth factor for CPCs and stromal cell derived factor-1 for BMCs was closely correlated with the reduction of LE volume. By multivariate analysis, migratory capacity remained the most important independent predictor of infarct remodeling.

Conclusions--Analysis of serial contrast-enhanced MRI suggests that intracoronary infusion of adult progenitor cells in patients with AMI beneficially affects postinfarction remodeling processes. The migratory capacity of the infused cells is a major determinant of infarct remodeling, disclosing a causal effect of progenitor cell therapy on regeneration enhancement.


Key words: cells • myocardial infarction • magnetic resonance imaging • remodeling




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Eur. Heart J., June 2, 2005; 26(12): 1196 - 1204.
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S. Fazel, G. H.L. Tang, D. Angoulvant, M. Cimini, R. D. Weisel, R.-K. Li, and T. M. Yau
Current Status of Cellular Therapy for Ischemic Heart Disease
Ann. Thorac. Surg., June 1, 2005; 79(6): S2238 - S2247.
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Am. J. Physiol. Heart Circ. Physiol.Home page
H. K. Haider and M. Ashraf
Bone marrow stem cell transplantation for cardiac repair
Am J Physiol Heart Circ Physiol, June 1, 2005; 288(6): H2557 - H2567.
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J Am Coll CardiolHome page
B. D. Horne, J. L. Anderson, J. M. John, A. Weaver, T. L. Bair, K. R. Jensen, D. G. Renlund, J. B. Muhlestein, and Intermountain Heart Collaborative (IHC) Study Grou
Which White Blood Cell Subtypes Predict Increased Cardiovascular Risk?
J. Am. Coll. Cardiol., May 17, 2005; 45(10): 1638 - 1643.
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C. Heiss, S. Keymel, U. Niesler, J. Ziemann, M. Kelm, and C. Kalka
Impaired Progenitor Cell Activity in Age-Related Endothelial Dysfunction
J. Am. Coll. Cardiol., May 3, 2005; 45(9): 1441 - 1448.
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P. L Weissberg and A. Qasim
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Heart, May 1, 2005; 91(5): 696 - 702.
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Cardiac stem cells delivered intravascularly traverse the vessel barrier, regenerate infarcted myocardium, and improve cardiac function
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Eur Heart JHome page
C. M. Kramer
The prognostic significance of microvascular obstruction after myocardial infarction as defined by cardiovascular magnetic resonance
Eur. Heart J., March 2, 2005; 26(6): 532 - 533.
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V. Schachinger and A. M. Zeiher
Stem Cells and Cardiovascular and Renal Disease: Today and Tomorrow
J. Am. Soc. Nephrol., March 1, 2005; 16(3_suppl_1): S2 - S6.
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BloodHome page
S. Aggarwal and M. F. Pittenger
Human mesenchymal stem cells modulate allogeneic immune cell responses
Blood, February 15, 2005; 105(4): 1815 - 1822.
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Circ. Res.Home page
K. C. Wollert and H. Drexler
Clinical Applications of Stem Cells for the Heart
Circ. Res., February 4, 2005; 96(2): 151 - 163.
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BloodHome page
M. Massa, V. Rosti, M. Ferrario, R. Campanelli, I. Ramajoli, R. Rosso, G. M. De Ferrari, M. Ferlini, L. Goffredo, A. Bertoletti, et al.
Increased circulating hematopoietic and endothelial progenitor cells in the early phase of acute myocardial infarction
Blood, January 1, 2005; 105(1): 199 - 206.
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CirculationHome page
S. Zhang, D. Wang, Z. Estrov, S. Raj, J. T. Willerson, and E. T.H. Yeh
Both Cell Fusion and Transdifferentiation Account for the Transformation of Human Peripheral Blood CD34-Positive Cells Into Cardiomyocytes In Vivo
Circulation, December 21, 2004; 110(25): 3803 - 3807.
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E. Dernbach, C. Urbich, R. P. Brandes, W. K. Hofmann, A. M. Zeiher, and S. Dimmeler
Antioxidative stress-associated genes in circulating progenitor cells: evidence for enhanced resistance against oxidative stress
Blood, December 1, 2004; 104(12): 3591 - 3597.
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CirculationHome page
J. V. Frangioni and R. J. Hajjar
In Vivo Tracking of Stem Cells for Clinical Trials in Cardiovascular Disease
Circulation, November 23, 2004; 110(21): 3378 - 3383.
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CirculationHome page
I. Spyridopoulos, J. Haendeler, C. Urbich, T. H. Brummendorf, H. Oh, M. D. Schneider, A. M. Zeiher, and S. Dimmeler
Statins Enhance Migratory Capacity by Upregulation of the Telomere Repeat-Binding Factor TRF2 in Endothelial Progenitor Cells
Circulation, November 9, 2004; 110(19): 3136 - 3142.
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Arterioscler. Thromb. Vasc. Bio.Home page
L. Rossig, C. Urbich, and S. Dimmeler
Endothelial Progenitor Cells at Work: Not Mature Yet, but Already Stress-Resistant
Arterioscler Thromb Vasc Biol, November 1, 2004; 24(11): 1977 - 1979.
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C. Weber, A. Schober, and A. Zernecke
Chemokines: Key Regulators of Mononuclear Cell Recruitment in Atherosclerotic Vascular Disease
Arterioscler Thromb Vasc Biol, November 1, 2004; 24(11): 1997 - 2008.
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V. Schachinger, B. Assmus, M. B. Britten, J. Honold, R. Lehmann, C. Teupe, N. D. Abolmaali, T. J. Vogl, W.-K. Hofmann, H. Martin, et al.
Transplantation of progenitor cells and regeneration enhancement in acute myocardial infarction: Final one-year results of the TOPCARE-AMI Trial
J. Am. Coll. Cardiol., October 19, 2004; 44(8): 1690 - 1699.
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W. Y.W. Lew
Mobilizing cells to the injured myocardium: A novel rescue strategy or an unwelcome intrusion?
J. Am. Coll. Cardiol., October 6, 2004; 44(7): 1521 - 1522.
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Eur Heart JHome page
M. Y. Flugelman and B. S. Lewis
The promise of myocardial repair - towards a better understanding
Eur. Heart J., September 1, 2004; 25(17): 1483 - 1485.
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C. Urbich and S. Dimmeler
Endothelial Progenitor Cells: Characterization and Role in Vascular Biology
Circ. Res., August 20, 2004; 95(4): 343 - 353.
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Am. J. Physiol. Heart Circ. Physiol.Home page
D. M. Hodgson, A. Behfar, L. V. Zingman, G. C. Kane, C. Perez-Terzic, A. E. Alekseev, M. Puceat, and A. Terzic
Stable benefit of embryonic stem cell therapy in myocardial infarction
Am J Physiol Heart Circ Physiol, August 1, 2004; 287(2): H471 - H479.
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CirculationHome page
Y.-S. Yoon, J.-S. Park, T. Tkebuchava, C. Luedeman, and D. W. Losordo
Unexpected Severe Calcification After Transplantation of Bone Marrow Cells in Acute Myocardial Infarction
Circulation, June 29, 2004; 109(25): 3154 - 3157.
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CirculationHome page
P. Anversa, M. A. Sussman, and R. Bolli
Molecular Genetic Advances in Cardiovascular Medicine: Focus on the Myocyte
Circulation, June 15, 2004; 109(23): 2832 - 2838.
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CirculationHome page
D. W. Losordo and S. Dimmeler
Therapeutic Angiogenesis and Vasculogenesis for Ischemic Disease: Part II: Cell-Based Therapies
Circulation, June 8, 2004; 109(22): 2692 - 2697.
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CirculationHome page
C. Heeschen, R. Lehmann, J. Honold, B. Assmus, A. Aicher, D. H. Walter, H. Martin, A. M. Zeiher, and S. Dimmeler
Profoundly Reduced Neovascularization Capacity of Bone Marrow Mononuclear Cells Derived From Patients With Chronic Ischemic Heart Disease
Circulation, April 6, 2004; 109(13): 1615 - 1622.
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J Am Coll CardiolHome page
W. W. O'Neill and S. R. Dixon
The year in interventional cardiology
J. Am. Coll. Cardiol., March 3, 2004; 43(5): 875 - 890.
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Eur J Heart FailHome page
J. G.F. Cleland, N. Freemantle, G. Kaye, M. Nasir, P. Velavan, K. Lalukota, T. Mudawi, R. Shelton, A. L. Clark, and A. P. Coletta
Clinical trials update from the American Heart Association meeting: {Omega}-3 fatty acids and arrhythmia risk in patients with an implantable defibrillator, ACTIV in CHF, VALIANT, the Hanover autologous bone marrow transplantation study, SPORTIF V, ORBIT and PAD and DEFINITE
Eur J Heart Fail, January 1, 2004; 6(1): 109 - 115.
[Abstract] [Full Text] [PDF]