scholarly journals Current Progress and Challenges for Skeletal Muscle Differentiation from Human Pluripotent Stem Cells Using Transgene-Free Approaches

2018 ◽  
Vol 2018 ◽  
pp. 1-18 ◽  
Author(s):  
Nunnapas Jiwlawat ◽  
Eileen Lynch ◽  
Jeremy Jeffrey ◽  
Jonathan M. Van Dyke ◽  
Masatoshi Suzuki
Keyword(s):  
Skeletal Muscle ◽  
Stem Cells ◽  
Pluripotent Stem Cells ◽  
Muscle Development ◽  
Neuromuscular Diseases ◽  
Treatment Strategies ◽  
Human Pluripotent Stem Cells ◽  
Muscle Pathology ◽  
Skeletal Myocytes

Neuromuscular diseases are caused by functional defects of skeletal muscles, directly via muscle pathology or indirectly via disruption of the nervous system. Extensive studies have been performed to improve the outcomes of therapies; however, effective treatment strategies have not been fully established for any major neuromuscular disease. Human pluripotent stem cells have a great capacity to differentiate into myogenic progenitors and skeletal myocytes for use in treating and modeling neuromuscular diseases. Recent advances have allowed the creation of patient-derived stem cells, which can be used as a unique platform for comprehensive study of disease mechanisms, in vitro drug screening, and potential new cell-based therapies. In the last decade, a number of methods have been developed to derive skeletal muscle cells from human pluripotent stem cells. By controlling the process of myogenesis using transcription factors and signaling molecules, human pluripotent stem cells can be directed to differentiate into cell types observed during muscle development. In this review, we highlight signaling pathways relevant to the formation of muscle tissue during embryonic development. We then summarize current methods to differentiate human pluripotent stem cells toward the myogenic lineage, specifically focusing on transgene-free approaches. Lastly, we discuss existing challenges for deriving skeletal myocytes and myogenic progenitors from human pluripotent stem cells.

scholarly journals Interleukin 4 Moderately Affects Competence of Pluripotent Stem Cells for Myogenic Conversion

2019 ◽  
Vol 20 (16) ◽  
pp. 3932 ◽  
Author(s):  
Barbara Świerczek-Lasek ◽  
Jacek Neska ◽  
Agata Kominek ◽  
Łukasz Tolak ◽  
Tomasz Czajkowski ◽  
...  
Keyword(s):  
Skeletal Muscle ◽  
Stem Cells ◽  
Embryonic Stem Cells ◽  
Pluripotent Stem Cells ◽  
Muscle Development ◽  
Embryonic Stem ◽  
Interleukin 4 ◽  
Myogenic Cells ◽  
The Impact

Pluripotent stem cells convert into skeletal muscle tissue during teratoma formation or chimeric animal development. Thus, they are characterized by naive myogenic potential. Numerous attempts have been made to develop protocols enabling efficient and safe conversion of pluripotent stem cells into functional myogenic cells in vitro. Despite significant progress in the field, generation of myogenic cells from pluripotent stem cells is still challenging—i.e., currently available methods require genetic modifications, animal-derived reagents, or are long lasting—and, therefore, should be further improved. In the current study, we investigated the influence of interleukin 4, a factor regulating inter alia migration and fusion of myogenic cells and necessary for proper skeletal muscle development and maintenance, on pluripotent stem cells. We assessed the impact of interleukin 4 on proliferation, selected gene expression, and ability to fuse in case of both undifferentiated and differentiating mouse embryonic stem cells. Our results revealed that interleukin 4 slightly improves fusion of pluripotent stem cells with myoblasts leading to the formation of hybrid myotubes. Moreover, it increases the level of early myogenic genes such as Mesogenin1, Pax3, and Pax7 in differentiating embryonic stem cells. Thus, interleukin 4 moderately enhances competence of mouse pluripotent stem cells for myogenic conversion.

scholarly journals Directed Differentiation of Human Pluripotent Stem Cells toward Skeletal Myogenic Progenitors and Their Purification Using Surface Markers

Cells ◽  
2021 ◽  
Vol 10 (10) ◽  
pp. 2746
Author(s):  
Nasa Xu ◽  
Jianbo Wu ◽  
Jose L. Ortiz-Vitali ◽  
Yong Li ◽  
Radbod Darabi
Keyword(s):  
Skeletal Muscle ◽  
Stem Cells ◽  
Pluripotent Stem Cells ◽  
Disease Modeling ◽  
Human Pluripotent Stem Cells ◽  
Directed Differentiation ◽  
Surface Markers ◽  
Gene Correction ◽  
Muscle Disorders

Advancements in reprogramming somatic cells into induced pluripotent stem cells (iPSCs) have provided a strong framework for in vitro disease modeling, gene correction and stem cell-based regenerative medicine. In cases of skeletal muscle disorders, iPSCs can be used for the generation of skeletal muscle progenitors to study disease mechanisms, or implementation for the treatment of muscle disorders. We have recently developed an improved directed differentiation method for the derivation of skeletal myogenic progenitors from hiPSCs. This method allows for a short-term (2 weeks) and efficient skeletal myogenic induction (45–65% of the cells) in human pluripotent stem cells (ESCs/iPSCs) using small molecules to induce mesoderm and subsequently myotomal progenitors, without the need for any gene integration or modification. After initial differentiation, skeletal myogenic progenitors can be purified from unwanted cells using surface markers (CD10+CD24−). These myogenic progenitors have been extensively characterized using in vitro gene expression/differentiation profiling as well as in vivo engraftment studies in dystrophic (mdx) and muscle injury (VML) rodent models and have been proven to be able to engraft and form mature myofibers as well as seeding muscle stem cells. The current protocol describes a detailed, step-by-step guide for this method and outlines important experimental details and troubleshooting points for its application in any human pluripotent stem cells.

scholarly journals Human engineered skeletal muscle of hypaxial origin from pluripotent stem cells with advanced function and regenerative capacity

2021 ◽  
Author(s):  
Mina Shahriyari ◽  
Md Islam ◽  
M Sakib ◽  
Anastasia Rika ◽  
Dennis Krueger ◽  
...  
Keyword(s):  
Skeletal Muscle ◽  
Stem Cells ◽  
Satellite Cell ◽  
Pluripotent Stem Cells ◽  
Cell Activation ◽  
Muscle Development ◽  
Underlying Mechanism ◽  
Hypaxial Muscle

Human pluripotent stem cell derived muscle models show great potential for translational research. Here, we describe developmentally inspired methods for derivation of skeletal muscle cells and their utility in three-dimensional skeletal muscle organoid formation as well as skeletal muscle tissue engineering. Key steps include the directed differentiation of human pluripotent stem cells to embryonic muscle progenitors of hypaxial origin followed by primary and secondary fetal myogenesis into hypaxial muscle with development of a satellite cell pool and evidence for innervation in vitro. Skeletal muscle organoids faithfully recapitulate all steps of embryonic myogenesis in 3D. Tissue engineered muscle exhibits organotypic maturation and function, advanced by thyroid hormone. Regenerative competence was demonstrated in a cardiotoxin injury model with evidence of satellite cell activation as underlying mechanism. Collectively, we introduce a hypaxial muscle model with canonical properties of bona fide skeletal muscle in vivo to study muscle development, maturation, disease, and repair.

Mini Review; Differentiation of Human Pluripotent Stem Cells into Oocytes

2020 ◽  
Vol 15 (4) ◽  
pp. 301-307 ◽  
Author(s):  
Gaifang Wang ◽  
Maryam Farzaneh
Keyword(s):  
Stem Cells ◽  
Pluripotent Stem Cells ◽  
Embryonic Stem ◽  
Human Pluripotent Stem Cells ◽  
Human Oocyte ◽  
Differentiation Potential ◽  
Cell Lineages ◽  
Cell Based Therapy ◽  
Induced Pluripotent

Primary Ovarian Insufficiency (POI) is one of the main diseases causing female infertility that occurs in about 1% of women between 30-40 years of age. There are few effective methods for the treatment of women with POI. In the past few years, stem cell-based therapy as one of the most highly investigated new therapies has emerged as a promising strategy for the treatment of POI. Human pluripotent stem cells (hPSCs) can self-renew indefinitely and differentiate into any type of cell. Human Embryonic Stem Cells (hESCs) as a type of pluripotent stem cells are the most powerful candidate for the treatment of POI. Human-induced Pluripotent Stem Cells (hiPSCs) are derived from adult somatic cells by the treatment with exogenous defined factors to create an embryonic-like pluripotent state. Both hiPSCs and hESCs can proliferate and give rise to ectodermal, mesodermal, endodermal, and germ cell lineages. After ovarian stimulation, the number of available oocytes is limited and the yield of total oocytes with high quality is low. Therefore, a robust and reproducible in-vitro culture system that supports the differentiation of human oocytes from PSCs is necessary. Very few studies have focused on the derivation of oocyte-like cells from hiPSCs and the details of hPSCs differentiation into oocytes have not been fully investigated. Therefore, in this review, we focus on the differentiation potential of hPSCs into human oocyte-like cells.

scholarly journals Establishing a deeper understanding of the osteogenic differentiation of monolayer cultured human pluripotent stem cells using novel and detailed analyses

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Ping Zhou ◽  
Jia-Min Shi ◽  
Jing-E Song ◽  
Yu Han ◽  
Hong-Jiao Li ◽  
...  
Keyword(s):  
Stem Cells ◽  
Osteogenic Differentiation ◽  
Pluripotent Stem Cells ◽  
Embryonic Stem ◽  
Telomerase Activity ◽  
Human Pluripotent Stem Cells ◽  
Cell Counting ◽  
Cell Type ◽  
Alizarin Red

Abstract Background Derivation of osteoblast-like cells from human pluripotent stem cells (hPSCs) is a popular topic in bone tissue engineering. Although many improvements have been achieved, the low induction efficiency because of spontaneous differentiation hampers their applications. To solve this problem, a detailed understanding of the osteogenic differentiation process of hPSCs is urgently needed. Methods Monolayer cultured human embryonic stem cells and human-induced pluripotent stem cells were differentiated in commonly applied serum-containing osteogenic medium for 35 days. In addition to traditional assays such as cell viability detection, reverse transcription-polymerase chain reaction, immunofluorescence, and alizarin red staining, we also applied studies of cell counting, cell telomerase activity, and flow cytometry as essential indicators to analyse the cell type changes in each week. Results The population of differentiated cells was quite heterogeneous throughout the 35 days of induction. Then, cell telomerase activity and cell cycle analyses have value in evaluating the cell type and tumourigenicity of the obtained cells. Finally, a dynamic map was made to integrate the analysis of these results during osteogenic differentiation of hPSCs, and the cell types at defined stages were concluded. Conclusions Our results lay the foundation to improve the in vitro osteogenic differentiation efficiency of hPSCs by supplementing with functional compounds at the desired stage, and then establishing a stepwise induction system in the future.

scholarly journals Hematopoietic specification from human pluripotent stem cells: current advances and challenges toward de novo generation of hematopoietic stem cells

Blood ◽  
2013 ◽  
Vol 122 (25) ◽  
pp. 4035-4046 ◽  
Author(s):  
Igor I. Slukvin
Keyword(s):  
Stem Cells ◽  
Hematopoietic Stem Cells ◽  
Pluripotent Stem Cells ◽  
De Novo ◽  
Human Pluripotent Stem Cells ◽  
Cellular Reprogramming ◽  
Hematopoietic Stem ◽  
Hematopoietic Development ◽  
Cellular Pathways

Abstract Significant advances in cellular reprogramming technologies and hematopoietic differentiation from human pluripotent stem cells (hPSCs) have already enabled the routine production of multiple lineages of blood cells in vitro and opened novel opportunities to study hematopoietic development, model genetic blood diseases, and manufacture immunologically matched cells for transfusion and cancer immunotherapy. However, the generation of hematopoietic cells with robust and sustained multilineage engraftment has not been achieved. Here, we highlight the recent advances in understanding the molecular and cellular pathways leading to blood development from hPSCs and discuss potential approaches that can be taken to facilitate the development of technologies for de novo production of hematopoietic stem cells.

scholarly journals Modulating cell state to enhance suspension expansion of human pluripotent stem cells

2018 ◽  
Vol 115 (25) ◽  
pp. 6369-6374 ◽  
Author(s):  
Yonatan Y. Lipsitz ◽  
Curtis Woodford ◽  
Ting Yin ◽  
Jacob H. Hanna ◽  
Peter W. Zandstra
Keyword(s):  
Stem Cells ◽  
Pluripotent Stem Cells ◽  
Large Scale ◽  
Cell Types ◽  
Human Pluripotent Stem Cells ◽  
The Body ◽  
Altered Expression ◽  
Pancreatic Progenitors ◽  
Erk Inhibition

The development of cell-based therapies to replace missing or damaged tissues within the body or generate cells with a unique biological activity requires a reliable and accessible source of cells. Human pluripotent stem cells (hPSC) have emerged as a strong candidate cell source capable of extended propagation in vitro and differentiation to clinically relevant cell types. However, the application of hPSC in cell-based therapies requires overcoming yield limitations in large-scale hPSC manufacturing. We explored methods to convert hPSC to alternative states of pluripotency with advantageous bioprocessing properties, identifying a suspension-based small-molecule and cytokine combination that supports increased single-cell survival efficiency, faster growth rates, higher densities, and greater expansion than control hPSC cultures. ERK inhibition was found to be essential for conversion to this altered state, but once converted, ERK inhibition led to a loss of pluripotent phenotype in suspension. The resulting suspension medium formulation enabled hPSC suspension yields 5.7 ± 0.2-fold greater than conventional hPSC in 6 d, for at least five passages. Treated cells remained pluripotent, karyotypically normal, and capable of differentiating into all germ layers. Treated cells could also be integrated into directed differentiated strategies as demonstrated by the generation of pancreatic progenitors (NKX6.1+/PDX1+ cells). Enhanced suspension-yield hPSC displayed higher oxidative metabolism and altered expression of adhesion-related genes. The enhanced bioprocess properties of this alternative pluripotent state provide a strategy to overcome cell manufacturing limitations of hPSC.

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