Background Duchenne muscular dystrophy (DMD) is a devastating genetic muscular disorder with no effective treatment that is caused by the loss of dystrophin. Human induced pluripotent stem cells (hiPSCs) offer a promising unlimited resource for cell-based therapies of muscular dystrophy. However, their clinical applications are hindered by inefficient myogenic differentiation, and moreover, the engraftment of non-transgene hiPSC-derived myogenic progenitors has not been examined in the mdx mouse model of DMD. Methods We investigated the muscle regenerative potential of myogenic progenitors derived from hiPSCs in mdx mice. The hiPSCs were transfected with enhanced green fluorescent protein (EGFP) vector and defined as EGFP hiPSCs. Myogenic differentiation was performed on EGFP hiPSCs with supplementary of basic fibroblast growth factor, forskolin, 6-bromoindirubin-3 '-oxime as well as horse serum. EGFP hiPSCs-derived myogenic progenitors were engrafted into mdx mice via both intramuscular and intravenous injection. The restoration of dystrophin expression, the ratio of central nuclear myofibers, and the transplanted cells-derived satellite cells were accessed after intramuscular and systemic transplantation. Results We report that abundant myogenic progenitors can be generated from hiPSCs after treatment with these three small molecules, with consequent terminal differentiation giving rise to mature myotubes in vitro. Upon intramuscular or systemic transplantation into mdx mice, these myogenic progenitors engrafted and contributed to human-derived myofiber regeneration in host muscles, restored dystrophin expression, ameliorated pathological lesions, and seeded the satellite cell compartment in dystrophic muscles. Conclusions This study demonstrates the muscle regeneration potential of myogenic progenitors derived from hiPSCs using non-transgenic induction methods. Engraftment of hiPSC-derived myogenic progenitors could be a potential future therapeutic strategy to treat DMD in a clinical setting.
基金:
Young Scientist Fund of National Natural Science Foundation of China [81601087]; National Natural Science Foundation of China [81471280, 81771359]; Postdoctoral Science Foundation of China [2019M663279]; Guangzhou Science and Technology Program [1561000153]; Guangdong Provincial Key Laboratory for Diagnosis and Treatment of Major Neurological Diseases [2014B030301035]; Southern China International Cooperation Base for Early Intervention and Functional Rehabilitation of Neurological Diseases [2015B050501003]; Guangdong Provincial Engineering Center for Major Neurological Disease Treatment; Guangdong Provincial Translational Medicine Innovation Platform for Diagnosis and Treatment of Major Neurological Disease; Guangdong Provincial Clinical Research Center for Neurological Diseases
第一作者机构:[1]Sun Yat Sen Univ, Affiliated Hosp 1, Dept Neurol, Guangzhou, Guangdong, Peoples R China[2]Natl Key Clin Dept & Key Discipline Neurol, Guangdong Prov Key Lab Diag & Treatment Major Neu, Guangzhou, Guangdong, Peoples R China
通讯作者:
通讯机构:[1]Sun Yat Sen Univ, Affiliated Hosp 1, Dept Neurol, Guangzhou, Guangdong, Peoples R China[*1]Sun Yat Sen Univ, Affiliated Hosp 1, Dept Neurol, Guangzhou, Guangdong, Peoples R China[2]Natl Key Clin Dept & Key Discipline Neurol, Guangdong Prov Key Lab Diag & Treatment Major Neu, Guangzhou, Guangdong, Peoples R China[*2]Natl Key Clin Dept & Key Discipline Neurol, Guangdong Prov Key Lab Diag & Treatment Major Neu, Guangzhou, Guangdong, Peoples R China
推荐引用方式(GB/T 7714):
He Ruojie,Li Huan,Wang Liang,et al.Engraftment of human induced pluripotent stem cell-derived myogenic progenitors restores dystrophin in mice with duchenne muscular dystrophy[J].BIOLOGICAL RESEARCH.2020,53(1):22.doi:10.1186/s40659-020-00288-1.
APA:
He, Ruojie,Li, Huan,Wang, Liang,Li, Yaqin,Zhang, Yu...&Zhang, Cheng.(2020).Engraftment of human induced pluripotent stem cell-derived myogenic progenitors restores dystrophin in mice with duchenne muscular dystrophy.BIOLOGICAL RESEARCH,53,(1)
MLA:
He, Ruojie,et al."Engraftment of human induced pluripotent stem cell-derived myogenic progenitors restores dystrophin in mice with duchenne muscular dystrophy".BIOLOGICAL RESEARCH 53..1(2020)