Medical research

Reactivation of embryonic genes leads to muscle aging

Developmental genes and pathways strictly regulate embryogenesis. The process is strongly driven by so-called Hox-genes. Now, researchers from the Leibniz Institute on Aging (FLI) in Jena, Germany, can show that one of these ...

Dentistry

How sharks could help us regrow our own human teeth

Sharks are the ultimate predators of the aquatic realm thanks to one character in particular—teeth. Not only are shark's teeth razor sharp but they are also constantly regrown throughout life, gradually replaced like a ...

Medical research

Elimination of senescent cells improves lung function in mice

Most cells can divide only a limited number of times and eventually undergo permanent cell cycle arrest, a state known as cellular senescence. Cellular senescence is mediated by activation of specific cellular signaling pathways ...

Medical research

Gene controls regeneration of injured muscle by adult stem cells

A key gene enables the repair of injured muscle throughout life. This is the finding of a study in mice led by researchers at NYU Langone Medical Center and the University of Colorado at Boulder, and published online July ...

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