{"id":1441,"date":"2014-05-10T13:21:18","date_gmt":"2014-05-10T18:21:18","guid":{"rendered":"http:\/\/sciencemediacentre.ca\/site\/?p=1441"},"modified":"2014-05-10T13:21:18","modified_gmt":"2014-05-10T18:21:18","slug":"cell-aging-theory-turned-upside-down","status":"publish","type":"post","link":"http:\/\/sciencemediacentre.ca\/site\/cell-aging-theory-turned-upside-down\/","title":{"rendered":"Cell aging theory turned upside down<img src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/01\/canada_flag_icon_small.gif\">"},"content":{"rendered":"<div id=\"attachment_1427\" style=\"width: 410px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/C-elegans.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1427\" class=\"size-full wp-image-1427\" src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/C-elegans.png\" alt=\"Exposing the 1 mm-long worm C. elegans to free radicals can actually prolong its life span, contrary to popular understanding. (Photo credit: Siegfried Hekimi)\" width=\"400\" height=\"268\" srcset=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/C-elegans.png 400w, http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/C-elegans-300x201.png 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><p id=\"caption-attachment-1427\" class=\"wp-caption-text\">Exposing the 1 mm-long worm C. elegans to free radicals can actually prolong its life span, contrary to popular understanding. (Photo credit: <a href=\"http:\/\/www.eurekalert.org\/multimedia\/pub\/72923.php?from=267112\">Siegfried Hekimi<\/a>)<\/p><\/div>\n<p><span style=\"color: #222222;\">A new study shows that raising the level of free radicals in the nematode worm <span style=\"font-style: italic;\">C. elegans<\/span> actually increases its lifespan, contrary to popular belief.\u00a0Free r<\/span><span style=\"color: #222222;\">adicals are\u00a0the reactive molecules that sometimes damage DNA and the ones that antioxidants are supposed to fight against &#8211; \u00a0could in some cases help us live longer. <\/span><\/p>\n<p><span style=\"color: #222222;\">The authors show that despite their reactive nature, free radicals act as signalling molecules that trigger cell mechanisms which alleviate stress, for example devoting more energy to repair and maintenance as opposed to growth. This keeps the worm alive under stressful conditions.<\/span><\/p>\n<p><span style=\"text-decoration: underline;\"><a href=\"http:\/\/dx.doi.org\/10.1016\/j.cell.2014.02.055\" target=\"_blank\">Original research paper<\/a><\/span><a href=\"http:\/\/www.sciencemag.org\/content\/344\/6183\/495.abstract\" target=\"_blank\">\u00a0<\/a>published in the the journal\u00a0<em>Cell<\/em><i>\u00a0<\/i>on\u00a0<strong>May 8, 2014<\/strong>.<\/p>\n<p><span style=\"text-decoration: underline;\"><span><strong>Names and affiliations of selected\u00a0authors<\/strong><\/span><\/span><\/p>\n<h4><a style=\"color: #1155cc;\" href=\"http:\/\/hekimilab.mcgill.ca\/\" target=\"_blank\"><span style=\"font-style: italic;\">Siegfried Hekimi<\/span><\/a><span style=\"font-style: italic; color: #222222;\">, McGill University, Quebec<\/span><\/h4>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A new study shows that raising the level of free radicals in the nematode worm C. elegans actually increases its lifespan, contrary to popular belief.\u00a0Free radicals are\u00a0the reactive molecules that sometimes damage DNA and the ones that antioxidants are supposed to fight against &#8211; \u00a0could in some cases help us live longer. The authors show [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1427,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[25],"tags":[113,51,1281,53,476,849],"class_list":["post-1441","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paper-of-interest","tag-biology","tag-health","tag-life","tag-medicine","tag-public-health","tag-quebec-en"],"jetpack_featured_media_url":"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/C-elegans.png","jetpack_shortlink":"https:\/\/wp.me\/p4DqbN-nf","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/1441","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/comments?post=1441"}],"version-history":[{"count":1,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/1441\/revisions"}],"predecessor-version":[{"id":1442,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/1441\/revisions\/1442"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media\/1427"}],"wp:attachment":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media?parent=1441"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/categories?post=1441"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/tags?post=1441"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}