Study: Scientists Claim to Identify Genetic Keys to Limb Regeneration

Digit regeneration in mice is stimulated by sequential treatment with FGF2 and BMP2

Epimorphic regeneration in mice is stimulated at a non-regenerative digit amputation by sequential treatment with FGF2 and BMP2 (FGF2→BMP2). FGF2 stimulates digit amputation wound cells to form a blastema and BMP2 induces blastema differentiation to regenerate the amputated distal phalangeal element, albeit imperfectly. The formation of a phalangeal growth plate suggests that the induced regenerate recapitulates embryonic development and cell li…

Mammals May Have a Hidden Limb Regeneration Ability We Never Knew About

While human beings have some impressive self-healing capabilities, we're nowhere near the level of salamanders or axolotls that can resprout whole appendages – but might that change in the future? A team led by researchers from Texas A&M University have successfully coaxed a regenerative tissue response in mice that had a toe removed.

Humans May Have Hidden Regenerative Powers, New Study Suggests

Researchers have successfully regenerated skeletal and connective tissue, although the new tissue was not perfectly formed. The result demonstrates a critical step forward in limb regeneration. For centuries, scientists have viewed the inability to regrow lost body parts as a major biological limit for humans and other mammals. Salamanders and some other animals can regenerate [...]

For regrowing human limbs, this salamander gene could hold the key

Investigating a common gene in three very different species – axolotls, mice and zebrafish – scientists have discovered the potential for a novel gene therapy aimed at eventually regrowing limbs in humans, according to new research published this week.

Why Can’t Humans Regrow Limbs? An Evolutionary Biologist Explains

Salamanders regrow entire limbs. We share their evolutionary blueprint. So why can’t humans do the same? The answer implicates our greatest biological achievement.

Scientists found the “holy grail” gene that could one day help humans regrow limbs

Scientists studying axolotls, zebrafish, and mice have uncovered a shared set of genes that may one day help humans regrow lost limbs. By identifying powerful “SP genes” involved in regeneration, researchers discovered that disabling these genes stopped proper bone regrowth in salamanders and mice. They then used a gene therapy inspired by zebrafish biology to partially restore regeneration in mice, marking a major step toward future treatments …