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Cellular and transcriptomic changes by the supplementation of aged rat serum in human pluripotent stem cell-derived myogenic progenitors

ABSTRACT: Cellular and transcriptomic changes by the supplementation of aged rat serum in human pluripotent stem cell-derived myogenic progenitors

PROVIDER: PRJNA1168516 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR30873068_1.fastq.gz	Fastqsanger.gz
	SRR30873068_2.fastq.gz	Fastqsanger.gz
	SRR30873069_1.fastq.gz	Fastqsanger.gz
	SRR30873069_2.fastq.gz	Fastqsanger.gz

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Cellular and transcriptomic changes by the supplementation of aged rat serum in human pluripotent stem cell-derived myogenic progenitors

Project description:Introduction: The changing composition of non-cell autonomous circulating factors in blood as humans age is believed to play a role in muscle mass and strength loss. The mechanisms through which these circulating factors act in age-related skeletal muscle changes is not fully understood. In this study, we used human myogenic progenitors derived from human pluripotent stem cells to study non-cell autonomous roles of circulating factors during the process of myogenic differentiation. Methods: Myogenic progenitors from human embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs) were supplemented with serum samples from aged or young Fischer 344 × Brown Norway F1-hybrid rats. The effect of aged or young serum supplementation on myogenic progenitor proliferation, myotube formation capacity, differentiation, and early transcriptomic profiles were analyzed. Results: We found that aged rat serum supplementation significantly reduced cell proliferation and increased cell death in both ESC- and iPSC-derived myogenic progenitors. Next, we found that the supplementation of aged rat serum inhibited myotube formation and maturation during terminal differentiation from progenitors to skeletal myocytes when compared to the cells treated with young adult rat serum. Lastly, we identified that gene expression profiles were affected following serum supplementation in culture. Discussion: Together, aged serum supplementation caused cellular and transcriptomic changes in human myogenic progenitors. The current data from our in vitro model possibly simulate non-cell autonomous contributions of blood composition to age-related processes in human skeletal muscle.

2024-10-03 | GSE278717 | GEO

Nicotinamide mononucleotide supplementation reverses the declining quality of maternally aged oocytes

Project description:Advanced maternal age, defined as 35 years or older, is associated with a decline in both ovarian reserve and oocyte quality, which leads to the female infertility, pregnancy loss, fetal anomalies, stillbirth, and obstetric complications. At present, the effective approaches to counteract the maternal age-related decay of oocyte quality are still not fully determined. Here, we report that in vivo supplementation of nicotinamide mononucleotide (NMN) efficaciously ameliorates the quality of oocytes from naturally aged mice by recovering nicotinamide adenine dinucleotide (NAD + ) levels in oocytes. NMN supplementation increases the number of antral follicles, ovulated oocytes and matured oocytes from aged mice. Specifically, NMN supplementation maintains the normal spindle/chromosome structure and dynamics of cortical granule component ovastacin to ensure the meiotic competency and fertilization ability of aged oocytes. Moreover, single cell transcriptome analysis shows that the beneficial effect of NMN on the aged oocytes is mediated by the restoration of the mitochondrial function, thereby reducing the accumulated ROS to suppress the occurrence of apoptosis. To sum up, our data reveal that supplementation of NMN is a feasible approach to prevent oocyte quality from advanced maternal age-related deterioration, contributing to improve the reproductive outcome of aged women and the assisted reproductive technology.

2023-07-01 | GSE153920 | GEO

A serum-free media formulation for cultured meat production supports bovine satellite cell differentiation in the absence of serum starvation [Timecourse]

Project description:Production of cultured meat requires the robust differentiation of satellite cells into mature muscle fibers without the use of animal-derived components. Current protocols induce myogenic differentiation in vitro through serum starvation, an abrupt reduction in serum concentration. Here, we used RNA sequencing to investigate the transcriptomic remodelling of bovine satellite cells during myogenic differentiation induced by serum starvation. We characterized canonical myogenic gene expression, and identified surface receptors upregulated during the early phase of differentiation. Supplementation of ligands to these receptors enabled the formulation of a chemically defined media that induced differentiation in the absence of serum starvation and/or transgene expression. Serum-free myogenic differentiation was of similar extent to that induced by serum starvation, as evaluated by transcriptome analysis, protein expression and the presence of a functional contractile apparatus. Moreover, the serum-free differentiation media supported the fabrication of mature three-dimensional bioartificial muscle constructs, demonstrating its suitability for cultured beef production.

2021-10-22 | GSE173198 | GEO

A serum-free media formulation for cultured meat production supports bovine satellite cell differentiation in the absence of serum starvation [SF_Diff]

2021-10-22 | GSE173196 | GEO

Growth hormone supplementation reduces aneuploidy and improves the quality of oocytes by activating ERK1/2 pathway in aged mice

Project description:The decline in oocyte quality is a limiting factor of female fertility; however, strategies to maintain the oocyte quality of aged women are not available. In this study, we showed that growth hormone (GH) supplementation in vivo not only alleviated the decline in oocyte number caused by aging, but also improved the quality and developmental potential of aged oocytes. Strikingly, GH supplementation reduced aneuploidy in aged oocytes. Proteomic analysis indicated that the ERK1/2 pathway was involved in the reduction in aneuploidy rate of aged oocytes, as confirmed both in vivo and in vitro. In addition, JAK2 might be involved in the regulation of ERK1/2 by GH in aged oocytes. Collectively, our findings revealed that GH supplementation protects oocytes from aging-related aneuploidy and enhances the quality of aged oocytes, and could be used to improve the outcome of assisted reproduction in aged women.

2023-07-20 | PXD039147 | Pride

Mass spectrometry analysis of mouse hematopoietic stem cells and their progenitors reveals differential expression within and between proteome and transcriptome throughout adult and aged hematopoiesis

Project description:mass spectrometry analysis of aged and adult hematopoietic stem cells, multipotent progenitors and oligopotent progenitors

2021-07-24 | PXD017442 | Pride

Assessment of myogenic maturation for human iPSC-derived iPAX7 myogenic progenitors in vitro and in vivo

Project description:Here, we transplanted human iPAX7 myogenic progenitors into skeletal muscles of non-dystrophic and dystrophic mice and compared the transcriptional landscape of human donor-derived myofibers with respective in vitro-differentiated iPAX7 myotubes. Pairing bulk RNA sequencing with computational deconvolution of human reads, we were able to pinpoint key myogenic changes that occur during the in vitro-to-in vivo transition, confirm developmental maturity, and consequently further suggest the utility of cell-based therapies.

2024-04-02 | GSE244521 | GEO

Pluripotent stem cell-derived myogenic progenitors remodel their molecular signature upon in vivo engraftment [Microarray]

Project description:Optimal cell-based therapies for the treatment of muscle degenerative disorders should not only regenerate fibers, but provide a quiescent satellite cell pool ensuring long-term maintenance and regeneration. Conditional expression of Pax3/Pax7 in differentiating pluripotent stem cells (PSC) allows the generation of myogenic progenitors endowed with satellite cell-like abilities. To identify the molecular determinants underlying their regenerative potential, we performed transcriptome analyses of these cells along with primary myogenic cells from several developmental stages. Here we show that in vitro generated PSC-derived myogenic progenitors possess a molecular signature similar to embryonic/fetal myoblasts. However, compared to fetal myoblasts, following transplantation they show superior myofiber engraftment and ability to seed the satellite cell niche, respond to multiple re-injuries and contribute to long-term regeneration. Upon engraftment, the transcriptome of Pax3/Pax7-induced PSC-derived myogenic progenitors changes dramatically, acquiring similarity to that of satellite cells, particularly in genes involved in extracellular matrix remodeling. Single cell profiling reveals that these changes are induced, not selected, by the in vivo environment. These findings demonstrate that Pax3/Pax7-induced PSC-derived myogenic progenitors possess proliferative and migratory abilities characteristic of earlier developmental stages, and an intrinsic ability to respond to environmental cues upon skeletal muscle regeneration.

2019-02-13 | GSE121615 | GEO

EDMD-causing emerin mutant myogenic progenitors exhibit impaired differentiation using similar mechanisms

Project description:RNA sequencing was performed on proliferating and differentiating emerin-null myogenic progenitors expressing emerin and EDMD-causing emerin mutants to identify molecular pathways implicated in Emery-Dreifuss Muscular Dystrophy.

2020-07-01 | GSE152226 | GEO

PAX3-FOXO1 dictates myogenic reprogramming and rhabdomyosarcoma identity in endothelial progenitors [RNA-seq]

Project description:Fusion-positive rhabdomyosarcoma (FP-RMS) driven by the expression of the PAX3-FOXO1 (P3F) fusion oncoprotein is an aggressive subtype of pediatric rhabdomyosarcoma. FP-RMS histologically resembles developing muscle yet occurs throughout the body in areas devoid of skeletal muscle highlighting that FP-RMS is not derived from an exclusively myogenic cell of origin. Here we demonstrate that P3F reprograms mouse and human endothelial progenitors to FP-RMS. We show that P3F expression in aP2-Cre expressing cells reprograms endothelial progenitors to functional myogenic stem cells capable of regenerating injured muscle fibers. Further, we describe a FP-RMS mouse model driven by P3F expression and Cdkn2a loss in endothelial cells. Additionally, we show that P3F expression in TP53-null human iPSCs blocks endothelial-directed differentiation and guides cells to become myogenic cells that form FP-RMS tumors in immunocompromised mice. Together these findings demonstrate that FP-RMS can originate from aberrant development of non-myogenic cells driven by P3F.

2023-09-30 | GSE241645 | GEO

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