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Anabolic Factors and Myokines Improve Differentiation of Human Embryonic Stem Cell Derived Skeletal Muscle Cells

ABSTRACT: Anabolic Factors and Myokines Improve Differentiation of Human Embryonic Stem Cell Derived Skeletal Muscle Cells

PROVIDER: PRJNA728583 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR14479813_1.fastq.gz	Fastqsanger.gz
	SRR14479813_2.fastq.gz	Fastqsanger.gz
	SRR14479814_1.fastq.gz	Fastqsanger.gz
	SRR14479814_2.fastq.gz	Fastqsanger.gz
	SRR14479815_1.fastq.gz	Fastqsanger.gz

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Anabolic Factors and Myokines Improve Differentiation of Human Embryonic Stem Cell Derived Skeletal Muscle Cells.

Project description:Skeletal muscle weakness is linked to many adverse health outcomes. Current research to identify new drugs has often been inconclusive due to lack of adequate cellular models. We have previously developed a scalable monolayer system to differentiate human embryonic stem cell (hESC) into mature skeletal muscle cells (SkMCs) within 26 days without cell sorting or genetic manipulation. Here, building on our previous work, we show that differentiation and fusion of myotubes can be further enhanced using the anabolic factors testosterone (T) and follistatin (F) in combination with a cocktail of myokines (C). Importantly, combined TFC treatment significantly enhanced both hESC-SkMC fusion index and expression of various skeletal muscle markers including the motor protein Myosin Heavy Chain (MyHC). Transcriptomic and proteomic analysis revealed oxidative phosphorylation as the most up-regulated pathway, suggesting energy metabolism is coupled to enhanced muscle differentiation. This cellular model will be a powerful tool for studying in vitro myogenesis and for drug discovery to further enhance muscle development or treat muscle diseases.

2022-04-04 | PXD025906 | Pride

Anabolic Factors and Myokines Improve Differentiation of Human Embryonic Stem Cell Derived Skeletal Muscle Cells

Project description:Skeletal muscle weakness is linked to many adverse health outcomes. Current research to identify new drugs has often been inconclusive due to lack of adequate cellular models. We have previously developed a scalable monolayer system to differentiate human embryonic stem cell (hESC) into mature skeletal muscle cells (SkMCs) within 26 days without cell sorting or genetic manipulation. Here, building on our previous work, we show that differentiation and fusion of myotubes can be further enhanced using the anabolic factors testosterone (T) and follistatin (F) in combination with a cocktail of myokines (C). Importantly, combined TFC treatment significantly enhanced both hESC-SkMC fusion index and expression of various skeletal muscle markers including the protein Myosin Heavy Chain (MyHC). Transcriptomic and proteomic analysis revealed oxidative phosphorylation as the most up-regulated pathway, suggesting energy metabolism is coupled to enhanced muscle differentiation. This cellular model will be a powerful tool for studying in vitro myogenesis and for drug discovery to further enhance muscle development or treat muscle diseases.

2021-05-11 | GSE174144 | GEO

Anabolic Factors and Myokines Improve Differentiation of Human Embryonic Stem Cell Derived Skeletal Muscle Cells.

Project description:Skeletal muscle weakness is linked to many adverse health outcomes. Current research to identify new drugs has often been inconclusive due to lack of adequate cellular models. We previously developed a scalable monolayer system to differentiate human embryonic stem cells (hESCs) into mature skeletal muscle cells (SkMCs) within 26 days without cell sorting or genetic manipulation. Here, building on our previous work, we show that differentiation and fusion of myotubes can be further enhanced using the anabolic factors testosterone (T) and follistatin (F) in combination with a cocktail of myokines (C). Importantly, combined TFC treatment significantly enhanced both the hESC-SkMC fusion index and the expression levels of various skeletal muscle markers, including the motor protein myosin heavy chain (MyHC). Transcriptomic and proteomic analysis revealed oxidative phosphorylation as the most up-regulated pathway, and a significantly higher level of ATP and increased mitochondrial mass were also observed in TFC-treated hESC-SkMCs, suggesting enhanced energy metabolism is coupled with improved muscle differentiation. This cellular model will be a powerful tool for studying in vitro myogenesis and for drug discovery pertaining to further enhancing muscle development or treating muscle diseases.

| S-EPMC8946006 | biostudies-literature

Anabolic effects of cheddar cheese consumption in human skeletal muscle

Project description:Anabolic effects of cheddar cheese consumption in human skeletal muscle

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An Anabolic Hormone to Promote Skeletal Stem Cell Bone Formation

Project description:An Anabolic Hormone to Promote Skeletal Stem Cell Bone Formation

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An Anabolic Hormone to Promote Skeletal Stem Cell Bone Formation

Project description:During lactation, mothers initiate cycles of bone formation followed by significant bone loss to meet the high calcium (Ca2+) demand by progeny. While estrogen functions typically as an anabolic driver of bone remodeling, this sex steroid is absent in postpartum females. Here, we report that a brain-derived secreted from neurons of the arcuate nucleus (ARC) fills this void and functions as a potent osteogenic factor to promote bone mass in lactating females. We previously reported an extraordinarily sex-specific high bone mass phenotype in female mice that persists with aging and is central in origin after eliminating estrogen receptor alpha signaling in ARCKISS1 neurons. Parabiosis and bone transplant studies established that a humoral factor in mutant females accounts for this unusual skeletal phenotype. High bone mass in mutant females could be traced back to the skeletal stem cell (SSC) level, reflected by their increased frequency and osteochondrogenic potential. Based on ex-vivo, in vivo, and in vitro assays, one protein emerged as the most promising secreted pro-osteogenic factor from the ARC, acting in mice and human SSCs at low concentrations (<nM) independent of age and sex. The role of this brain-derived factor in bone formation was confirmed by in vivo gain and loss of function studies. Unexpectedly, in wild-type females, a transient spike of this protein appears in ARCKISS1 neurons coincident with lactation when bone remodeling and high calcium demand intensify in estrogen-depleted mothers. Our findings establish a potentially new therapeutic anabolic bone hormone that functions in a novel female-specific brain-bone axis to ensure mammalian species survival.

2023-08-28 | GSE241478 | GEO

MBNL splicing factors regulate the microtranscriptome of skeletal muscles (mouse, skeletal muscle, developmental panel)

Project description:MBNL splicing factors regulate the microtranscriptome of skeletal muscles (mouse, skeletal muscle, developmental panel)

| PRJNA1030018 | ENA

Reduced Physical Activity Alters the Leucine-Stimulated Translatome in Aged Skeletal Muscle

Project description:Background: Periods of inactivity experienced by older adults induce nutrient anabolic resistance creating a cascade of skeletal muscle transcriptional and translational aberrations contributing to muscle dysfunction. Objective: To identify how inactivity alters leucine-stimulated translation of molecules and pathways within the skeletal muscle of older adults.

2020-12-06 | GSE162730 | GEO

Anabolic effects of cheddar cheese consumption in human skeletal muscle

Project description:The goal of this project was to use a randomized, cross over design to determine the amino acid blood and muscle response to the acute ingestion of cheddar cheese in comparison to that of bovine milk and to investigate the skeletal muscle mTORC1 response.

2021-01-31 | GSE163279 | GEO

Project description:Myocardin-related transcription factors (MRTFs) play a central role in the regulation of actin expression and cytoskeletal dynamics. Stimuli that promote actin polymerization allow for shuttling of MRTFs to the nucleus where they activate serum response factor (SRF), a regulator of actin and other cytoskeletal protein genes. SRF is an essential regulator of skeletal muscle differentiation and numerous components of the muscle sarcomere, but the potential involvement of MRTFs in skeletal muscle development has not been examined. We explored the role of MRTFs in muscle development in vivo by generating mutant mice harboring a skeletal muscle-specific deletion of MRTF-B and a global deletion of MRTF-A. These double knockout (dKO) mice were able to form sarcomeres during embryogenesis. However, the sarcomeres were abnormally small and disorganized, causing skeletal muscle hypoplasia and perinatal lethality. Transcriptome analysis demonstrated dramatic dysregulation of actin genes in MRTF dKO mice, highlighting the importance of MRTFs in actin cycling and myofibrillogenesis. MRTFs were also necessary for the survival of skeletal myoblasts and for the efficient formation of intact myotubes. Our findings reveal a central role for MRTFs in sarcomere formation during skeletal muscle development and point to the potential involvement of these transcriptional coactivators in skeletal myopathies. Gene expression profile was generated comparing wild type (WT) and HSA-Cre, MRTF-A/B double knockout mice, by deep seqencing, with three biological replicates, using Illumina HiSeq 2500.

2016-08-02 | E-GEOD-84063 | biostudies-arrayexpress

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