Live Longer World
Live Longer World
Aastha JS
#09 Dr. Irina & Michael Conboy | Tissue Rejuvenation Via Plasma Dilution, Neutral Blood Exchange and Parabiosis
50 minutes Posted Jan 11, 2022 at 1:32 pm.
Live Longer World Intro 
Irina & Michael Conboy Intro 
Aging is slowdown in our repair machinery 
Naked Mole Rats not extreme model for longevity 
Heterochronic Parabiosis 
Young Blood to Old Blood Exchange 
Rejuvenation via Neutral Blood Exchange (NBE) 
Old Blood Degenerates Young Mice 
Rejuvenation Effects on Brain, Liver, Muscle through NBE 
How long do effects of NBE last? 
How is NBE working mechanistically? 2 waves of rejuvenation 
Inhibiting TGF-beta & Increasing Oxytocin is rejuvenative 
NBE vs. Senolytics 
Unanswered Questions on NBE 
Oxytocin & Muscle Functioning; Notch Signaling 
Chickens & Ravens as Pets!  
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Show notes
My guests in today's episode are Dr. Irina and Michael Conboy of the Department of Bioengineering at the University of California Berkeley. 
Their groundbreaking research focuses on tissue rejuvenation via plasma dilution and heterochronic parabiosis, where the Conboys took a young mouse and an older mouse and sutured them together, such that the animals shared blood and environment. The old mice became rejuvenated & younger. They’ve also pioneered a process called the Neutral Blood Exchange or Therapeutic Blood Exchange, through which dilution of old blood plasma can lead to true rejuvenation in the brain & other tissues of mice to a younger state!!   
Further, we touch upon Irina's work showing how decreased Oxytocin levels with age contributes to poor muscle function. Their research is incredibly exciting and we discuss all about it in today’s episode.  
Episode Show Notes: https://livelongerworld.substack.com/p/rejuvenation-via-plasma-dilution
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DR. CONBOY LINKS: Berkeley Lab: https://conboylab.berkeley.edu/  
2021 Paper Plasma Dilution Improves Cognition and attenuates neuroinflammation in old mice: https://pubmed.ncbi.nlm.nih.gov/33191466/  
2020 Paper Rejuvenation of three germ layers tissues by exchanging old blood plasma with saline-albumin: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7288913/  
2014 Paper Oxytocin is an age-specific circulating hormone that is necessary for muscle maintenance and regeneration: https://www.nature.com/articles/ncomms5082  
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