Local activation or implantation of cardiac progenitor cells rescues scarred infarcted myocardium improving cardiac function

Marcello Rota, M. Elena Padin-Iruegas, Yu Misao, Antonella De Angelis, Silvia Maestroni, João Ferreira-Martins, Emanuela Fiumana, Raffaella Rastaldo, Michael L. Arcarese, Thomas S. Mitchell, Alessandro Boni, Roberto Bolli, Konrad Urbanek, Toru Hosoda, Piero Anversa, Annarosa Leri, Jan Kajstura

Research output: Contribution to journalArticle

Abstract

Ischemic heart disease is characterized chronically by a healed infarct, foci of myocardial scarring, cavitary dilation, and impaired ventricular performance. These alterations can only be reversed by replacement of scarred tissue with functionally competent myocardium. We tested whether cardiac progenitor cells (CPCs) implanted in proximity of healed infarcts or resident CPCs stimulated locally by hepatocyte growth factor and insulin-like growth factor-1 invade the scarred myocardium and generate myocytes and coronary vessels improving the hemodynamics of the infarcted heart. Hepatocyte growth factor is a powerful chemoattractant of CPCs, and insulin-like growth factor-1 promotes their proliferation and survival. Injection of CPCs or growth factors led to the replacement of ≈ 42% of the scar with newly formed myocardium, attenuated ventricular dilation and prevented the chronic decline in function of the infarcted heart. Cardiac repair was mediated by the ability of CPCs to synthesize matrix metalloproteinases that degraded collagen proteins, forming tunnels within the fibrotic tissue during their migration across the scarred myocardium. New myocytes had a 2n karyotype and possessed 2 sex chromosomes, excluding cell fusion. Clinically, CPCs represent an ideal candidate cell for cardiac repair in patients with chronic heart failure. CPCs may be isolated from myocardial biopsies and, following their expansion in vitro, administered back to the same patients avoiding the adverse effects associated with the use of nonautologous cells. Alternatively, growth factors may be delivered locally to stimulate resident CPCs and promote myocardial regeneration. These forms of treatments could be repeated over time to reduce progressively tissue scarring and expand the working myocardium.

Original languageEnglish
Pages (from-to)107-116
Number of pages10
JournalCirculation Research
Volume103
Issue number1
DOIs
Publication statusPublished - Jul 3 2008

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Myocardium
Stem Cells
Cicatrix
Hepatocyte Growth Factor
Somatomedins
Muscle Cells
Dilatation
Intercellular Signaling Peptides and Proteins
Sex Chromosomes
Cell Fusion
Chemotactic Factors
Matrix Metalloproteinases
Karyotype
Myocardial Ischemia
Regeneration
Coronary Vessels
Collagen
Heart Failure
Hemodynamics
Myocardial Infarction

Keywords

  • Cardiac repair
  • Cardiac stem cells
  • Chronic myocardial infarct

ASJC Scopus subject areas

  • Physiology
  • Cardiology and Cardiovascular Medicine

Cite this

Rota, M., Padin-Iruegas, M. E., Misao, Y., De Angelis, A., Maestroni, S., Ferreira-Martins, J., ... Kajstura, J. (2008). Local activation or implantation of cardiac progenitor cells rescues scarred infarcted myocardium improving cardiac function. Circulation Research, 103(1), 107-116. https://doi.org/10.1161/CIRCRESAHA.108.178525

Local activation or implantation of cardiac progenitor cells rescues scarred infarcted myocardium improving cardiac function. / Rota, Marcello; Padin-Iruegas, M. Elena; Misao, Yu; De Angelis, Antonella; Maestroni, Silvia; Ferreira-Martins, João; Fiumana, Emanuela; Rastaldo, Raffaella; Arcarese, Michael L.; Mitchell, Thomas S.; Boni, Alessandro; Bolli, Roberto; Urbanek, Konrad; Hosoda, Toru; Anversa, Piero; Leri, Annarosa; Kajstura, Jan.

In: Circulation Research, Vol. 103, No. 1, 03.07.2008, p. 107-116.

Research output: Contribution to journalArticle

Rota, M, Padin-Iruegas, ME, Misao, Y, De Angelis, A, Maestroni, S, Ferreira-Martins, J, Fiumana, E, Rastaldo, R, Arcarese, ML, Mitchell, TS, Boni, A, Bolli, R, Urbanek, K, Hosoda, T, Anversa, P, Leri, A & Kajstura, J 2008, 'Local activation or implantation of cardiac progenitor cells rescues scarred infarcted myocardium improving cardiac function', Circulation Research, vol. 103, no. 1, pp. 107-116. https://doi.org/10.1161/CIRCRESAHA.108.178525
Rota, Marcello ; Padin-Iruegas, M. Elena ; Misao, Yu ; De Angelis, Antonella ; Maestroni, Silvia ; Ferreira-Martins, João ; Fiumana, Emanuela ; Rastaldo, Raffaella ; Arcarese, Michael L. ; Mitchell, Thomas S. ; Boni, Alessandro ; Bolli, Roberto ; Urbanek, Konrad ; Hosoda, Toru ; Anversa, Piero ; Leri, Annarosa ; Kajstura, Jan. / Local activation or implantation of cardiac progenitor cells rescues scarred infarcted myocardium improving cardiac function. In: Circulation Research. 2008 ; Vol. 103, No. 1. pp. 107-116.
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