The Greenland shark:a new challenge for the oxidative stress theory of ageing?
The free radical theory of ageing predicts that long-lived species should be more resistant to oxidative damage than short-lived species. Although many studies support this theory, recent studies found notable exceptions that challenge the generality of this theory. In this study, we have analysed t...
Published in: | Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology |
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Format: | Article in Journal/Newspaper |
Language: | English |
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2017
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Online Access: | https://curis.ku.dk/portal/da/publications/the-greenland-shark(9257b832-06e9-4985-ad48-a29a927a7906).html https://doi.org/10.1016/j.cbpa.2016.09.026 https://curis.ku.dk/ws/files/201608968/The_Greenland_shark_ACCEPTED.pdf |
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ftcopenhagenunip:oai:pure.atira.dk:publications/9257b832-06e9-4985-ad48-a29a927a7906 2023-12-10T09:49:02+01:00 The Greenland shark:a new challenge for the oxidative stress theory of ageing? Costantini, David Smith, Shona Killen, Shaun S. Nielsen, Julius Steffensen, John Fleng 2017 application/pdf https://curis.ku.dk/portal/da/publications/the-greenland-shark(9257b832-06e9-4985-ad48-a29a927a7906).html https://doi.org/10.1016/j.cbpa.2016.09.026 https://curis.ku.dk/ws/files/201608968/The_Greenland_shark_ACCEPTED.pdf eng eng info:eu-repo/semantics/openAccess Costantini , D , Smith , S , Killen , S S , Nielsen , J & Steffensen , J F 2017 , ' The Greenland shark : a new challenge for the oxidative stress theory of ageing? ' , Comparative Biochemistry and Physiology. Part A: Molecular & Integrative Physiology , vol. 203 , pp. 227-232 . https://doi.org/10.1016/j.cbpa.2016.09.026 article 2017 ftcopenhagenunip https://doi.org/10.1016/j.cbpa.2016.09.026 2023-11-16T00:00:12Z The free radical theory of ageing predicts that long-lived species should be more resistant to oxidative damage than short-lived species. Although many studies support this theory, recent studies found notable exceptions that challenge the generality of this theory. In this study, we have analysed the oxidative status of the Greenland shark (Somniosus microcephalus), which has recently been found as the longest living vertebrate animal known to science with a lifespan of at least 272years. As compared to other species, the Greenland shark had body mass-corrected values of muscle glutathione peroxidase and red blood cells protein carbonyls (metric of protein oxidative damage) above 75 percentile and below 25 percentile, respectively. None of the biochemical metrics of oxidative status measured in either skeletal muscle or red blood cells were correlated with maximum lifespan of species. We propose that the values of metrics of oxidative status we measured might be linked to ecological features (e.g., adaptation to cold waters and deep dives) of this shark species rather to its lifespan. Article in Journal/Newspaper Greenland Somniosus microcephalus University of Copenhagen: Research Greenland Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology 203 227 232 |
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University of Copenhagen: Research |
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ftcopenhagenunip |
language |
English |
description |
The free radical theory of ageing predicts that long-lived species should be more resistant to oxidative damage than short-lived species. Although many studies support this theory, recent studies found notable exceptions that challenge the generality of this theory. In this study, we have analysed the oxidative status of the Greenland shark (Somniosus microcephalus), which has recently been found as the longest living vertebrate animal known to science with a lifespan of at least 272years. As compared to other species, the Greenland shark had body mass-corrected values of muscle glutathione peroxidase and red blood cells protein carbonyls (metric of protein oxidative damage) above 75 percentile and below 25 percentile, respectively. None of the biochemical metrics of oxidative status measured in either skeletal muscle or red blood cells were correlated with maximum lifespan of species. We propose that the values of metrics of oxidative status we measured might be linked to ecological features (e.g., adaptation to cold waters and deep dives) of this shark species rather to its lifespan. |
format |
Article in Journal/Newspaper |
author |
Costantini, David Smith, Shona Killen, Shaun S. Nielsen, Julius Steffensen, John Fleng |
spellingShingle |
Costantini, David Smith, Shona Killen, Shaun S. Nielsen, Julius Steffensen, John Fleng The Greenland shark:a new challenge for the oxidative stress theory of ageing? |
author_facet |
Costantini, David Smith, Shona Killen, Shaun S. Nielsen, Julius Steffensen, John Fleng |
author_sort |
Costantini, David |
title |
The Greenland shark:a new challenge for the oxidative stress theory of ageing? |
title_short |
The Greenland shark:a new challenge for the oxidative stress theory of ageing? |
title_full |
The Greenland shark:a new challenge for the oxidative stress theory of ageing? |
title_fullStr |
The Greenland shark:a new challenge for the oxidative stress theory of ageing? |
title_full_unstemmed |
The Greenland shark:a new challenge for the oxidative stress theory of ageing? |
title_sort |
greenland shark:a new challenge for the oxidative stress theory of ageing? |
publishDate |
2017 |
url |
https://curis.ku.dk/portal/da/publications/the-greenland-shark(9257b832-06e9-4985-ad48-a29a927a7906).html https://doi.org/10.1016/j.cbpa.2016.09.026 https://curis.ku.dk/ws/files/201608968/The_Greenland_shark_ACCEPTED.pdf |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Greenland Somniosus microcephalus |
genre_facet |
Greenland Somniosus microcephalus |
op_source |
Costantini , D , Smith , S , Killen , S S , Nielsen , J & Steffensen , J F 2017 , ' The Greenland shark : a new challenge for the oxidative stress theory of ageing? ' , Comparative Biochemistry and Physiology. Part A: Molecular & Integrative Physiology , vol. 203 , pp. 227-232 . https://doi.org/10.1016/j.cbpa.2016.09.026 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1016/j.cbpa.2016.09.026 |
container_title |
Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology |
container_volume |
203 |
container_start_page |
227 |
op_container_end_page |
232 |
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