| http://purl.uniprot.org/citations/18598756 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/18598756 | http://www.w3.org/2000/01/rdf-schema#comment | "Age-associated mitochondrial dysfunction is a major source of reactive oxygen species (ROS) and oxidative modification to proteins. Mitochondrial electron transport chain (ETC) complexes I and III are the sites of ROS production and we hypothesize that proteins of the ETC complexes are primary targets of ROS-mediated modification which impairs their structure and function. The pectoralis, primarily an aerobic red muscle, and quadriceps, primarily an anaerobic white muscle, have different rates of respiration and oxygen-carrying capacity, and hence, different rates of ROS production. This raises the question of whether these muscles exhibit different levels of oxidative protein modification. Our studies reveal that the pectoralis shows a dramatic age-related decline in almost all complex activities that correlates with increased oxidative modification. Similar complex proteins were modified in the quadriceps, at a significantly lower level with less change in enzyme and ETC coupling function. We postulate that mitochondrial ROS causes damage to specific ETC subunits which increases with age and leads to further mitochondrial dysfunction. We conclude that physiological characteristics of the pectoralis vs quadriceps may play a role in age-associated rate of mitochondrial dysfunction and in the decline in tissue function."xsd:string |
| http://purl.uniprot.org/citations/18598756 | http://purl.org/dc/terms/identifier | "doi:10.1016/j.freeradbiomed.2008.06.006"xsd:string |
| http://purl.uniprot.org/citations/18598756 | http://purl.uniprot.org/core/author | "Papaconstantinou J."xsd:string |
| http://purl.uniprot.org/citations/18598756 | http://purl.uniprot.org/core/author | "Nuss J.E."xsd:string |
| http://purl.uniprot.org/citations/18598756 | http://purl.uniprot.org/core/author | "Deford J.H."xsd:string |
| http://purl.uniprot.org/citations/18598756 | http://purl.uniprot.org/core/author | "Choksi K.B."xsd:string |
| http://purl.uniprot.org/citations/18598756 | http://purl.uniprot.org/core/date | "2008"xsd:gYear |
| http://purl.uniprot.org/citations/18598756 | http://purl.uniprot.org/core/name | "Free Radic Biol Med"xsd:string |
| http://purl.uniprot.org/citations/18598756 | http://purl.uniprot.org/core/pages | "826-838"xsd:string |
| http://purl.uniprot.org/citations/18598756 | http://purl.uniprot.org/core/title | "Age-related alterations in oxidatively damaged proteins of mouse skeletal muscle mitochondrial electron transport chain complexes."xsd:string |
| http://purl.uniprot.org/citations/18598756 | http://purl.uniprot.org/core/volume | "45"xsd:string |
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