{"id":208021,"date":"2025-03-07T11:02:19","date_gmt":"2025-03-07T17:02:19","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/03\/free-radicals-extend-lifespan"},"modified":"2025-03-07T11:02:19","modified_gmt":"2025-03-07T17:02:19","slug":"free-radicals-extend-lifespan","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/03\/free-radicals-extend-lifespan","title":{"rendered":"Free Radicals Extend Lifespan?"},"content":{"rendered":"<p><\/p>\n<p><iframe loading=\"lazy\" title=\"Longevity Snapshot 3 - Free Radicals Extend Lifespan?\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/Uvc_dUwP8pc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>In this edition, we\u2019ll take a look at a Canadian study which shows that reducing a worm\u2019s ability to fight free radicals in a specific organ could increase it\u2019s lifespan. Does this have any implications for humans?<\/p>\n<p>Contents:<\/p>\n<p>Intro 0:00<br \/> Graphical Abstract 1:49<br \/> Figure 1. Tissue-specific re-expression of sod-2 rescues deficits in fertility and embryonic lethality in clk-1;sod-2 mutants 2:28<br \/> Figure 2. Tissue-specific re-expression of sod-2 can decrease stress resistance in clk-1;sod-2 worms 5:37<br \/> Figure 3. Tissue-specific re-expression of sod-2 is not sufficient to reduce clk-1;sod-2 lifespan 6:41<br \/> Figure 4. Disruption of mitochondrial superoxide dismutase in the intestine is sufficient to increase lifespan 7:33<br \/> Figure 5. Intestine-specific knockdown of sod-2 is sufficient to enhance resistance to heat stress 9:33<br \/> Figure 6. Intestine-specific knockdown of sod-2 does not affect physiologic rates 10:29<br \/> Conclusion &amp; Next Steps 11:40<\/p>\n<p>Study reviewed:<br \/> Intestine-specific disruption of mitochondrial superoxide dismutase extends longevity.<br \/>\n<a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0891584925000383\">https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0891584925000383<\/a><\/p>\n<p>2009 paper from the same authors:<br \/> Deletion of the Mitochondrial Superoxide Dismutase sod-2 Extends Lifespan in Caenorhabditis elegans.<br \/>\n<a href=\"https:\/\/journals.plos.org\/plosgenetics\/article?id=10.1371\/journal.pgen\">https:\/\/journals.plos.org\/plosgenetics\/article?id=10.1371\/journal.pgen<\/a>.<\/p>\n<p>General overview of the pros and cons of free radicals for lifespan:<\/p>\n<div class=\"more-link-wrapper\"> <a class=\"more-link\" href=\"https:\/\/lifeboat.com\/blog\/2025\/03\/free-radicals-extend-lifespan\">Continue reading \u201cFree Radicals Extend Lifespan?\u201d | &gt;<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>In this edition, we\u2019ll take a look at a Canadian study which shows that reducing a worm\u2019s ability to fight free radicals in a specific organ could increase it\u2019s lifespan. Does this have any implications for humans? Contents: Intro 0:00 Graphical Abstract 1:49 Figure 1. Tissue-specific re-expression of sod-2 rescues deficits in fertility and embryonic [\u2026]<\/p>\n","protected":false},"author":731,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,269],"tags":[],"class_list":["post-208021","post","type-post","status-publish","format-standard","hentry","category-biotech-medical","category-life-extension"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/208021","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/731"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=208021"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/208021\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=208021"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=208021"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=208021"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}