RAPAMYCIN: How Easter Island Led To The Discovery of the mTOR Pathway [2021]
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Reading medical studies and boning up on longevity makes for some dry reading. Not so with the discovery story of rapamycin and the mTOR pathway.
Today's video is a 2-parter. The first part is the history of rapamycin and it's a tale with exotic locales and not one resurrection, but two; one from the last place you'd think. The second part of this video takes a good look at several studies of rapamycin, both past and present. And we'll examine rapamycin's role in the age-related decline in immunity and loss of muscle mass.
I'll admit it. I've never been a big fan of taking rapamycin to inhibit the mTOR pathway and possibly extend lifespans. But these studies have reset my thinking, and I may be changing my mind.
Chapters & Timestamps:
00:00 Intro
00:50 The Story of Rapamycin
05:30 Rapamycin Studies
10:21 Rapamycin & Immunosuppression
11:55 Rapamycin & Sarcopenia
14:52 Conclusions
Links to studies referred to in this video:
Rapamycin extends lifespans in mice: https://www.nature.com/articles/nature08221
Opinion article on Rapamycin: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6814615/
Rapamycin and the quest to slow aging through drug discovery: https://pubmed.ncbi.nlm.nih.gov/32467649/
Rapalogs and COVID-19: https://pubmed.ncbi.nlm.nih.gov/33665645/
Rapamycin, sarcopenia and aging muscle: https://pubmed.ncbi.nlm.nih.gov/31454792/
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Lance Hitchings · 17 min · Source published: 2021-06-08
Added to Harbor: 10/22/2026
Original on YouTube ↗Automatically categorized source. Creator statements are not an independent evidence review or personal medical guidance.