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MetabolomicsSerine synthesis pathway enzyme PHGDH is critical for muscle cell biomass, anabolic metabolism and mTORC1 signaling

Cells use glycolytic intermediates for anabolism e.g., via the serine synthesis and pentose phosphate pathways. However, we still understand poorly how these metabolic pathways contribute to skeletal muscle cell biomass generation. The first aim of this study was therefore to identify enzymes tha...

2025-03-21 | MTBLS8854 | MetaboLights
MetabolomicsBacteroides acidifaciens Derived Succinate Mediates Gynostemma pentaphyllum Polysaccharides' Effects on Muscle Fiber Switching and Exercise Endurance

Enhancing exercise endurance holds significant practical implications for boosting the physical fitness of the general population to address daily challenges and improving the physical capabilities and quality of life of patients with relevant diseases. Polysaccharides from Gynostemma pentaphyllu...

2025-10-28 | MTBLS13229 | MetaboLights
ProteomicsHigh-throughput Proteomics fiber typing (ProFiT) for comprehensive characterization of single skeletal muscle fibers
Skeletal muscles are composed of a heterogeneous collection of fiber types with different physiological adaption in response to a stimulus and disease-related conditions. Each fiber has a specific molecular expression of myosin heavy chain molecules (MyHC). So far MyHCs are currently the best marker...
ORGANISM(S): Mus musculus (Mouse) 
2021-02-02 | PXD017755 | Pride
Muscle fiber proteomics Protein turnover Phosphoproteomics Myhc profiling 
ProteomicsGadd45a Promotes Skeletal Muscle Atrophy by Forming a Complex with the Protein Kinase MEKK4
Skeletal muscle atrophy is a serious and highly prevalent condition that remains poorly understood at the molecular level. Previous work found that skeletal muscle atrophy involves an increase in skeletal muscle Gadd45a expression, which is necessary and sufficient for skeletal muscle fiber atrophy...
ORGANISM(S): Mus Musculus (ncbitaxon:10090) 
2016-05-17 | MSV000079730 | MassIVE
TranscriptomicsTranscription profiling of skeletal muscle from wild type and PGC-1 beta transgenic mice
Skeletal muscle must perform a wide range of kinds of work, and different fiber types have evolved to accommodate these different tasks. The attributes of fibers are determined in large part by the coordinated regulation of oxidative capacity, as reflected by mitochondrial content, and the specific...
ORGANISM(S): Mus musculus 
2007-04-02 | E-MEXP-939 | biostudies-arrayexpress
ProteomicsProteomics of slow and fast human muscle fibers reveals extensive fiber type-specific adaptations in response to exercise training
Skeletal muscle plays an important role in the health-promoting effects of exercise training, yet the underlying mechanisms are not fully elucidated. Proteomics of skeletal muscle is challenging due to presence of non-muscle tissues and existence of different fiber types confounding the results. Thi...
ORGANISM(S): Homo sapiens (Human) 
2020-12-21 | PXD012824 | Pride
Transcription Mitochondrial biogenesis Mhc Glycogen Glucose metabolism Proteome Fiber type 
MetabolomicsIdentification of Cetobacterium somerae as a key contributor to muscle quality improvement through intestinal microbiota transplantation from faba bean-fed donors in Yellow River carp (Cyprinus carpio)

Background The gut microbiota plays a significant role in modulating the growth and function of host muscle, and microbiota transplantation experiments provide compelling evidence of its capacity to improve muscle quality. Feeding faba beans improves the muscle quality of Yellow River carp. ...

2025-10-13 | MTBLS13128 | MetaboLights
ProteomicsSingle muscle fiber proteomics reveals fiber type-specific features of human muscle aging
Skeletal muscle is a key tissue in human aging, which affects different muscle fiber types unequally. We developed a highly sensitive single muscle fiber proteomics workflow to study human aging and show that the senescence of slow and fast muscle fibers is characterized by diverging metabolic and p...
ORGANISM(S): Homo sapiens (Human) 
2017-06-14 | PXD006182 | Pride
Muscle fibers Skeletal muscle Aging 
TranscriptomicsSingle-nucleus transcriptomics reveals functional compartmentalization in syncytial skeletal muscle cells
Syncytial skeletal muscle cells contain hundreds of nuclei in a shared cytoplasm. Using single nucleus RNA-sequencing (snRNAseq) of isolated nuclei from muscle fibers, we investigated nuclear heterogeneity and transcriptional dynamics in uninjured and regenerating muscle.
ORGANISM(S): Mus musculus 
2020-10-07 | E-MTAB-8623 | biostudies-arrayexpress
MetabolomicsHippophae rhamnoides-Derived Exosome-like Nanovesicles Alleviate Dexamethasone-Induced Sarcopenia by Remodeling Skeletal Muscle Lipid Metabolism
Skeletal muscle atrophy driven by glucocorticoid excess is a clinically relevant contributor to sarcopenia, yet safe and biologically integrated interventions remain limited. Here we report that extracellular exosome-like nanovesicles derived from Hippophae rhamnoides fruits (HR-ELNs) protect agains...
2026-07-17 | MTBLS15070 | MetaboLights
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