Exosome-Derived Dystrophin from Allograft Myogenic Progenitors Improves Cardiac Function in Duchenne Muscular Dystrophic Mice

Xuan Su, Yue Jin, Yan Shen, Chengwei Ju, Jingwen Cai, Yutao Liu, Il-man Kim, Yu Wang, Hong Yu, Neal Lee Weintraub, Meng Jiang, Yao Liang Tang

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Progressive cardiomyocyte loss in Duchenne muscular dystrophy (DMD) leads to cardiac fibrosis, cardiomyopathy, and eventually heart failure. In the present study, we observed that myogenic progenitor cells (MPC) carry mRNA for the dystrophin gene. We tested whether cardiac function can be improved in DMD by allograft transplantation of MPC-derived exosomes (MPC-Exo) into the heart to restore dystrophin protein expression. Exo from C2C12 cells (an MPC cell line) or vehicle were delivered locally into the hearts of MDX mice. After 2 days of treatment, we observed that MPC-Exo restored dystrophin expression in the hearts of MDX mice, which correlated with improved myocardial function in dystrophin-deficient MDX mouse hearts. In conclusion, this study demonstrated that allogeneic WT-MPC-Exo transplantation transiently restored dystrophin gene expression and improved cardiac function in MDX mice, suggesting that allogenic exosomal delivery may serve as an alternative treatment for cardiomyopathy of DMD.

Original languageEnglish (US)
JournalJournal of Cardiovascular Translational Research
DOIs
StateAccepted/In press - Jan 1 2018

Fingerprint

Exosomes
Dystrophin
Allografts
Stem Cells
Duchenne Muscular Dystrophy
Cardiomyopathies
Cell Transplantation
Cardiac Myocytes
Fibrosis
Heart Failure
Transplantation
Gene Expression
Cell Line
Messenger RNA
Therapeutics
Genes
Proteins

Keywords

  • Cardiomyopathy
  • Dystrophin
  • Exosome
  • Myogenic progenitor cells

ASJC Scopus subject areas

  • Molecular Medicine
  • Genetics
  • Pharmaceutical Science
  • Cardiology and Cardiovascular Medicine
  • Genetics(clinical)

Cite this

Exosome-Derived Dystrophin from Allograft Myogenic Progenitors Improves Cardiac Function in Duchenne Muscular Dystrophic Mice. / Su, Xuan; Jin, Yue; Shen, Yan; Ju, Chengwei; Cai, Jingwen; Liu, Yutao; Kim, Il-man; Wang, Yu; Yu, Hong; Weintraub, Neal Lee; Jiang, Meng; Tang, Yao Liang.

In: Journal of Cardiovascular Translational Research, 01.01.2018.

Research output: Contribution to journalArticle

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AU - Cai, Jingwen

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AU - Kim, Il-man

AU - Wang, Yu

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AU - Weintraub, Neal Lee

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AB - Progressive cardiomyocyte loss in Duchenne muscular dystrophy (DMD) leads to cardiac fibrosis, cardiomyopathy, and eventually heart failure. In the present study, we observed that myogenic progenitor cells (MPC) carry mRNA for the dystrophin gene. We tested whether cardiac function can be improved in DMD by allograft transplantation of MPC-derived exosomes (MPC-Exo) into the heart to restore dystrophin protein expression. Exo from C2C12 cells (an MPC cell line) or vehicle were delivered locally into the hearts of MDX mice. After 2 days of treatment, we observed that MPC-Exo restored dystrophin expression in the hearts of MDX mice, which correlated with improved myocardial function in dystrophin-deficient MDX mouse hearts. In conclusion, this study demonstrated that allogeneic WT-MPC-Exo transplantation transiently restored dystrophin gene expression and improved cardiac function in MDX mice, suggesting that allogenic exosomal delivery may serve as an alternative treatment for cardiomyopathy of DMD.

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