Ontology highlight
ABSTRACT:
INSTRUMENT(S): Q Exactive
ORGANISM(S): Homo Sapiens (human)
TISSUE(S): Skeletal Muscle Fiber
SUBMITTER: Marta Murgia
LAB HEAD: Matthias Mann
PROVIDER: PXD006182 | Pride | 2017-06-14
REPOSITORIES: Pride
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Murgia Marta M Toniolo Luana L Nagaraj Nagarjuna N Ciciliot Stefano S Vindigni Vincenzo V Schiaffino Stefano S Reggiani Carlo C Mann Matthias M
Cell reports 20170601 11
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 protein quality control adaptations. Whereas mitochondrial content declines with aging in both fiber types, glycolysis and glycogen metabolism are upregulated in slow but downregulated in fast muscle f ...[more]