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- Protein_turnover abstract "Protein turnover is the balance between protein synthesis and protein degradation. More synthesis than breakdown indicates an anabolic state that builds lean tissues, more breakdown than synthesis indicates a catabolic state that burns lean tissues.Protein turnover is believed to decrease with age in all senescent organisms including humans. This results in an increase in the amount of damaged protein within the body. It is unknown if this is a cause or consequence of aging but it seems likely that it is both[citation needed]. The damaged protein results in a slower protein turnover which then results in more damaged protein causing an exponential increase in damage to all protein within the body and to aging.Four weeks of aerobic exercise has been shown to increase skeletal muscle protein turnover in previously unfit individuals. A diet high in protein increases whole body turnover in endurance athletes.Some bodybuilding supplements claim to reduce the protein breakdown by reducing or blocking the number of catabolic hormones within the body. This is believed to increase anabolism. However if protein breakdown falls too low then the body would not be able to remove muscle cells that have been damaged during workouts which would in turn prevent the growth of new muscle cells.When older proteins are broken down in the body, they must be replaced. This concept is called protein turnover, and different types of proteins have very different turnover rates. Protein synthesis occurs during the process of translation on ribosomes. Protein breakdown occurs generally in two cellular locations:Lysosomal proteases digest endocytosed proteins Cytoplasmic complexes, called proteasomes, digest older or abnormal proteins that have been tagged with ubiquitin for destruction.↑ ↑ ↑".
- Protein_turnover wikiPageID "7445882".
- Protein_turnover wikiPageRevisionID "606213203".
- Protein_turnover hasPhotoCollection Protein_turnover.
- Protein_turnover subject Category:Protein_biosynthesis.
- Protein_turnover comment "Protein turnover is the balance between protein synthesis and protein degradation. More synthesis than breakdown indicates an anabolic state that builds lean tissues, more breakdown than synthesis indicates a catabolic state that burns lean tissues.Protein turnover is believed to decrease with age in all senescent organisms including humans. This results in an increase in the amount of damaged protein within the body.".
- Protein_turnover label "Protein turnover".
- Protein_turnover sameAs m.0261zr_.
- Protein_turnover sameAs Q7251511.
- Protein_turnover sameAs Q7251511.
- Protein_turnover wasDerivedFrom Protein_turnover?oldid=606213203.
- Protein_turnover isPrimaryTopicOf Protein_turnover.