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(429) https://twitter.com/i/web/status/1127968384518373376
Did you know that the nucleus of each of our contains a copy of our ? That's a full set of the 20,000…
genome  cells  from twitter_favs
6 weeks ago by tolkien
Aging on Nautilus: Yes, Life in the Fast Lane Kills You
Nick Lane is an evolutionary biochemist at University College London who thinks about the big questions of life: how it began, how it is maintained, why we age and die,...
biology  aging  cells  energy 
10 weeks ago by mac
Muscle memory discovery ends 'use it or lose it' dogma -- ScienceDaily
Exercise physiologists agree: muscle memory is real. But how are these 'memories' stored? A review has a simple answer: nuclei gained during training persist even when muscle cells shrink due to disuse or start to break down. This means we can 'bank' nuclei in our youth to prevent frailty in old age -- and makes steroid use in competitive sport a perfect but irredeemable crime.
chronic  cells  dystrophy;  exercise  fatigue  fibromyalgia;  immune  joint  memory  muscles  muscular  syndrome;  research 
12 weeks ago by xer0x
Ontogeny - Wikipedia
Ontogeny (also ontogenesis or morphogenesis) is the origination and development of an organism, usually from the time of fertilization of the egg to the organism's mature form—although the term can be used to refer to the study of the entirety of an organism's lifespan.
anatomy  biology  cells  change  concept  continuity  definition  development  evolution  growth  identity  ifttt  information  life  materiality  matter  mutation  ontogeny  organic  organism  pinboar 
february 2019 by therourke
Fasting - Ketogenesis - β-Hydroxybutyrate - Senescent cells ... Molecule with anti-aging effects on vascular system identified - ScienceDaily
This is great work and appears to be a very important step on the path to fleshing out the biochemistry and physiology behind the huge benefits of intermittent fasting and ketogenic diets.
β-Hydroxybutyrate  fasting  ketogenesis  senescent  cells 
february 2019 by CharlesForsyth
NeurIPS 2018 Invited Talk
This is incredibly fascinating and it's in Comic Sans
neurology  evodevo  cells  cybernetics  to_blog  science 
january 2019 by yorksranter
Identity Noise and Adipogenic Traits Characterize Dermal Fibroblast Aging: Cell
> We show that the identity of old fibroblasts becomes undefined, with the fibroblast states present in young skin no longer clearly demarcated. In addition, old fibroblasts not only reduce the expression of genes involved in the formation of the extracellular matrix, but also gain adipogenic traits, paradoxically becoming more similar to neonatal pro-adipogenic fibroblasts. These alterations are sensitive to systemic metabolic changes: long-term caloric restriction reversibly prevents them, whereas a high-fat diet potentiates them. Our results therefore highlight loss of cell identity and the acquisition of adipogenic traits as a mechanism underlying cellular aging, which is influenced by systemic metabolism.
aging  fibroblast  cells  adipogenic 
december 2018 by porejide

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