Extracorporeal shock wave-supported adipose-derived fresh stromal vascular fraction preserved Left Ventricular (LV) function and inhibited LV remodeling in acute myocardial infarction in rat

Pei Hsun Sung, Tsung Cheng Yin, Christopher Glenn Wallace, Kuan Hung Chen, Pei Lin Shao, Fan Yen Lee, Cheuk Kwan Sun, Jiunn Jye Sheu, Yung Lung Chen, Mostafa Mohammad Omran, Sheng Ying Chung, Ching Jen Wang, Mel S. Lee*, Hon Kan Yip

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

11 Scopus citations

Abstract

This study tested the hypothesis that extracorporeal shock wave- (ECSW-) assisted adipose-derived stromal vascular fraction (SVF) therapy could preserve left ventricular ejection fraction (LVEF) and inhibit LV remodeling in a rat after acute myocardial infarction (AMI). Adult male SD rats were categorized into group 1 (sham control), group 2 (AMI induced by left coronary artery ligation), group 3 [AMI + ECSW (280 impulses at 0.1 mJ/mm 2 , applied to the chest wall at 3 h, days 3 and 7 after AMI), group 4 [AMI + SVF (1.2 × 10 6 ) implanted into the infarct area at 3 h after AMI], and group 5 (AMI + ECSW-SVF). In vitro, SVF protected H9C2 cells against menadione-induced mitochondrial damage and increased fluorescent intensity of mitochondria in nuclei (p < 0.01). By day 42 after AMI, LVEF was highest in group 1, lowest in group 2, significantly higher in group 5 than in groups 3 and 4, and similar between the latter two groups (all p < 0.0001). LV remodeling and infarcted, fibrotic, and collagen deposition areas as well as apoptotic nuclei exhibited an opposite pattern to LVEF among the groups (all p < 0.0001). Protein expressions of CD31/vWF/eNOS/PGC-1α/α-MHC/mitochondrial cytochrome C exhibited an identical pattern, whilst protein expressions of MMP-9/TNF-α/IL-1β/NF-κB/caspase-3/PARP/Samd3/TGF-β/NOX-1/NOX-2/oxidized protein/β-MHC/BNP exhibited an opposite pattern to LVEF among five groups (all p < 0.0001). Cellular expressions of CXCR4/SDF-1α/Sca-1/c-Kit significantly and progressively increased from groups 1 to 5 (all p < 0.0001). Cellular expression of γ-H2AX/CD68 displayed an opposite pattern to LVEF among the five groups (all p < 0.0001). In conclusion, ECSW-SVF therapy effectively preserved LVEF and inhibited LV remodeling in rat AMI.

Original languageEnglish
Article number7518920
JournalOxidative Medicine and Cellular Longevity
Volume2018
DOIs
StatePublished - 2018

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Copyright © 2018 Pei-Hsun Sung et al.

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