IFATS collection: Human adipose tissue-derived stem cells induce angiogenesis and nerve sprouting following myocardial infarction, in conjunction with potent preservation of cardiac function

Liying Cai, Brian H. Johnstone, Todd G. Cook, Jian Tan, Michael C. Fishbein, Peng Sheng Chen, Keith L. March

Research output: Contribution to journalArticle

190 Citations (Scopus)

Abstract

The administration of therapeutic cell types, such as stem and progenitor cells, has gained much interest for the limitation or repair of tissue damage caused by a variety of insults. However, it is still uncertain whether the morphological and functional benefits are mediated predominantly via cell differentiation or paracrine mechanisms. Here, we assessed the extent and mechanisms of adipose-derived stromal/stem cells (ASC)-dependent tissue repair in the context of acute myocardial infarction. Human ASCs in saline or saline alone was injected into the peri-infarct region in athymic rats following left anterior descending (LAD) coronary artery ligation. Cardiac function and structure were evaluated by serial echocardiography and histology. ASC-treated rats consistently exhibited better cardiac function, by all measures, than control rats 1 month following LAD occlusion. Left ventricular (LV) ejection fraction and fractional shortening were improved in the ASC group, whereas LV remodeling and dilation were limited in the ASC group compared with the saline control group. Anterior wall thinning was also attenuated by ASC treatment, and post-mortem histological analysis demonstrated reduced fibrosis in ASC-treated hearts, as well as increased peri-infarct density of both arterioles and nerve sprouts. Human ASCs were persistent at 1 month in the peri-infarct region, but they were not observed to exhibit significant cardiomyocyte differentiation. Human ASCs preserve heart function and augment local angiogenesis and cardiac nerve sprouting following myocardial infarction predominantly by the provision of beneficial trophic factors.

Original languageEnglish (US)
Pages (from-to)230-237
Number of pages8
JournalSTEM CELLS
Volume27
Issue number1
DOIs
StatePublished - Jan 1 2009

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Adipose Tissue
Stem Cells
Stromal Cells
Myocardial Infarction
Nude Rats
Ventricular Remodeling
Arterioles
Cardiac Myocytes
Stroke Volume
Ligation
Echocardiography
Dilatation
Cell Differentiation
Coronary Vessels
Histology
Fibrosis
Control Groups
Therapeutics

Keywords

  • Adipose tissue-derived stem cell
  • Angiogenesis
  • Heart function
  • Myocardial infarction

ASJC Scopus subject areas

  • Cell Biology
  • Developmental Biology
  • Molecular Medicine

Cite this

IFATS collection : Human adipose tissue-derived stem cells induce angiogenesis and nerve sprouting following myocardial infarction, in conjunction with potent preservation of cardiac function. / Cai, Liying; Johnstone, Brian H.; Cook, Todd G.; Tan, Jian; Fishbein, Michael C.; Chen, Peng Sheng; March, Keith L.

In: STEM CELLS, Vol. 27, No. 1, 01.01.2009, p. 230-237.

Research output: Contribution to journalArticle

Cai, Liying ; Johnstone, Brian H. ; Cook, Todd G. ; Tan, Jian ; Fishbein, Michael C. ; Chen, Peng Sheng ; March, Keith L. / IFATS collection : Human adipose tissue-derived stem cells induce angiogenesis and nerve sprouting following myocardial infarction, in conjunction with potent preservation of cardiac function. In: STEM CELLS. 2009 ; Vol. 27, No. 1. pp. 230-237.
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