Intramyocardial adipose-derived stem cell transplantation increases pericardial fat with recovery of myocardial function after acute myocardial infarction

Jong Ho Kim, Soon Jun Hong, Chi Yeon Park, Jae Hyung Park, Seung Cheol Choi, Sang Keun Woo, Jung Woo Yu, Gi Jeong Cheon, Hyung Joon Joo, Do-Sun Lim

Research output: Contribution to journalArticle

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Abstract

Intramyocardial injection of adipose-derived stem cells (ASC) with other cell types in acute myocardial infarction (AMI) animal models has consistently shown promising clinical regenerative capacities. We investigated the effects of intramyocardial injections of mouse ASC (mASC) with mouse endothelial cells (mEC) on left ventricular function and generation of pericardial fat in AMI rats. AMI rat models were created by ligating left anterior descending coronary artery and were randomly assigned into four groups: control (n = 10), mASC (n = 10), mEC (n = 10) and mASC+mEC (n = 10) via direct intramyocardial injections, and each rat received 1x106 cells around three peri-infarct areas. Echocardiography and cardiac positron emission tomography (PET) were compared at baseline and on 28 days after AMI. Changes in left ventricular ejection fraction measured by PET, increased significantly in mASC and mASC+mEC groups compared to mEC and control groups. Furthermore, significant decreases in fibrosis were confirmed after sacrifice on 28 days in mASC and mASC +mEC groups. Successful cell engraftment was confirmed by positive Y-Chromosome staining in the transplantation region. Pericardial fat increased significantly in mASC and mASC+mEC groups compared to control group, and pericardial fat was shown to originate from the AMI rat. mASC group expressed higher adiponectin and lower leptin levels in plasma than control group. In addition, pericardial fat from AMI rats demonstrated increased phospho-AMPK levels and reduced phospho-ACC levels. Intramyocardial mASC transplantation after AMI in rats increased pericardial fat, which might play a protective role in the recovery of myocardial function after ischemic myocardial damage.

Original languageEnglish
Article numbere0158067
JournalPLoS One
Volume11
Issue number6
DOIs
Publication statusPublished - 2016 Jun 1

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cell transplantation
myocardial infarction
Recovery of Function
Endothelial cells
Stem Cell Transplantation
Stem cells
stem cells
Fats
Myocardial Infarction
Rats
Recovery
mice
lipids
endothelial cells
Positron emission tomography
Endothelial Cells
Echocardiography
AMP-Activated Protein Kinases
Adiponectin
Direct injection

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

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Intramyocardial adipose-derived stem cell transplantation increases pericardial fat with recovery of myocardial function after acute myocardial infarction. / Kim, Jong Ho; Hong, Soon Jun; Park, Chi Yeon; Park, Jae Hyung; Choi, Seung Cheol; Woo, Sang Keun; Yu, Jung Woo; Cheon, Gi Jeong; Joo, Hyung Joon; Lim, Do-Sun.

In: PLoS One, Vol. 11, No. 6, e0158067, 01.06.2016.

Research output: Contribution to journalArticle

Kim, Jong Ho ; Hong, Soon Jun ; Park, Chi Yeon ; Park, Jae Hyung ; Choi, Seung Cheol ; Woo, Sang Keun ; Yu, Jung Woo ; Cheon, Gi Jeong ; Joo, Hyung Joon ; Lim, Do-Sun. / Intramyocardial adipose-derived stem cell transplantation increases pericardial fat with recovery of myocardial function after acute myocardial infarction. In: PLoS One. 2016 ; Vol. 11, No. 6.
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