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- Lourenço Dos Santos, SofiaSorbonne Universités, UPMC Univ Paris 06, UMR 8256, Biological Adaptation and Ageing-IBPS, Paris, France (författare)
Oxidative proteome alterations during skeletal muscle ageing
- Artikel/kapitelEngelska2015
Förlag, utgivningsår, omfång ...
- Elsevier BV,2015
- electronicrdacarrier
Nummerbeteckningar
- LIBRIS-ID:oai:DiVA.org:uu-269644
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-269644URI
- https://doi.org/10.1016/j.redox.2015.05.006DOI
- http://kipublications.ki.se/Default.aspx?queryparsed=id:132710328URI
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- Språk:engelska
- Sammanfattning på:engelska
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Anmärkningar
- Sarcopenia corresponds to the degenerative loss of skeletal muscle mass, quality, and strength associated with ageing and leads to a progressive impairment of mobility and quality of life. However, the cellular and molecular mechanisms involved in this process are not completely understood. A hallmark of cellular and tissular ageing is the accumulation of oxidatively modified (carbonylated) proteins, leading to a decreased quality of the cellular proteome that could directly impact on normal cellular functions. Although increased oxidative stress has been reported during skeletal muscle ageing, the oxidized protein targets, also referred as to the 'oxi-proteome' or 'carbonylome', have not been characterized yet. To better understand the mechanisms by which these damaged proteins build up and potentially affect muscle function, proteins targeted by these modifications have been identified in human rectus abdominis muscle obtained from young and old healthy donors using a bi-dimensional gel electrophoresis-based proteomic approach coupled with immunodetection of carbonylated proteins. Among evidenced protein spots, 17 were found as increased carbonylated in biopsies from old donors comparing to young counterparts. These proteins are involved in key cellular functions such as cellular morphology and transport, muscle contraction and energy metabolism. Importantly, impairment of these pathways has been described in skeletal muscle during ageing. Functional decline of these proteins due to irreversible oxidation may therefore impact directly on the above-mentioned pathways, hence contributing to the generation of the sarcopenic phenotype.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
- Baraibar, Martin ASorbonne Universités, UPMC Univ Paris 06, UMR 8256, Biological Adaptation and Ageing-IBPS, Paris, France (författare)
- Lundberg, Staffan,1956-Uppsala universitet,Institutionen för kvinnors och barns hälsa,Barnneurologisk forskning/Ahlsten(Swepub:uu)staflund (författare)
- Eeg-Olofsson, Orvar,1932-Uppsala universitet,Institutionen för kvinnors och barns hälsa,Barnneurologisk forskning/Ahlsten(Swepub:uu)orvareo (författare)
- Larsson, LarsKarolinska Institutet (författare)
- Friguet, BertrandSorbonne Universités, UPMC Univ Paris 06, UMR 8256, Biological Adaptation and Ageing-IBPS, Paris, France (författare)
- Sorbonne Universités, UPMC Univ Paris 06, UMR 8256, Biological Adaptation and Ageing-IBPS, Paris, FranceInstitutionen för kvinnors och barns hälsa (creator_code:org_t)
Sammanhörande titlar
- Ingår i:Redox Biology: Elsevier BV5, s. 267-2742213-2317
Internetlänk
- https://doi.org/10.1016/j.redox.2015.05.006Fulltext
- https://uu.diva-portal.org/smash/get/diva2:883569/FULLTEXT01.pdffulltext:print
- https://doi.org/10.1016/j.redox.2015.05.006
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-269644
- https://doi.org/10.1016/j.redox.2015.05.006
- http://kipublications.ki.se/Default.aspx?queryparsed=id:132710328
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