To ward off aging, stem cells must take out the trash

In humanity's ongoing quest for the elixir of life, the science keeps pointing to stem cells. Research increasingly shows that maintaining stem cell fitness promotes a long healthspan, and new findings show keeping stem cells ...

Researchers find HERC1 protein deficiency causes osteopenia

Bones remain healthy thanks to the fact that they are continuously remodeling, a process dependent on the balance between the activity of osteoblasts—cells that create bone tissue—and the osteoclasts, which reabsorb it. ...

Taste sensors keep proteins in order in flies

A set of genes that promote sweet taste sensation is also crucial for protein management during fly development, according to a new study by Eugenia Piddini of the University of Bristol, United Kingdom, and colleagues, publishing ...

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Homeostasis

Homeostasis (from Greek: ὅμοιος, hómoios, "similar" and στάσις, stásis, "standing still";) is the property of a system that regulates its internal environment and tends to maintain a stable, constant condition of properties like temperature or pH. It can be either an open or closed system.

It was defined by Claude Bernard and later by Walter Bradford Cannon in 1926, 1929 and 1932)

Typically used to refer to a living organism, the concept came from that of milieu interieur that was created by Claude Bernard and published in 1865. Multiple dynamic equilibrium adjustment and regulation mechanisms make homeostasis possible.

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