Regeneration is a biological process by which organisms restore or replace lost or damaged tissues, organs, or body parts through controlled cell proliferation, differentiation, and patterning. It involves activation of resident stem or progenitor cells, dedifferentiation of mature cells in some taxa, and re-establishment of appropriate positional information via morphogen gradients and signaling pathways such as Wnt, FGF, BMP, and Notch. Regeneration can be epimorphic, with blastema formation and large-scale pattern reconstruction, or morphallactic, involving extensive tissue remodeling. Its extent and fidelity are species- and tissue-specific, constrained by genetic programs, immune responses, and age-dependent changes in cellular plasticity.
"Spider-Man: Brand New Day" turns organic web production into a superpower. In the 2026 film, Tom Holland's character, Peter Parker, begins producing webbing inside his body and shooting it from his wrists, rather than firing ...
Plants & Animals
Aug 4, 2026
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Minor cuts and scrapes usually heal in time, but losing a finger or a whole limb? For most vertebrates, that's a done deal. Unless, of course, you've got the self-healing machinery of an axolotl.
Molecular & Computational biology
Jul 28, 2026
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11
A biotech company called Revel Pharmaceuticals is looking into ways to reverse aging, and the company's science team, along with researchers from the company Calico and the University of Colorado, may be a step closer to ...
Before a hydra can regrow a head or foot, its cells appear to rebuild the internal map that tells them where they are and what they should become next, FMI researchers report. The work suggests that cells need to interpret ...
Cell & Microbiology
Jul 22, 2026
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Researchers at the University of Vienna have discovered a key mechanism that enables sea anemones to regenerate into fully developed organisms from disorganized clusters of cells. The study, published in Nature Communications, ...
Cell & Microbiology
Jul 21, 2026
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5
IMDEA Materials Institute has developed mechanically tunable hydrogel membranes that closely mimic the mechanical environment of human skin while remaining highly biocompatible, representing an improved platform for skin ...
Cell & Microbiology
Jul 13, 2026
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6
A study by a team of researchers from the Gray Faculty of Medical and Health Sciences at Tel Aviv University offers new hope to millions of people with irreversible hearing loss. The researchers identified a unique biological ...
Cell & Microbiology
Jun 29, 2026
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109
Reactive oxygen species (ROS) produced naturally during cellular metabolism often cause oxidative damage to cells. However, these molecules also play an important role in normal cellular signaling. While ROS are established ...
Plants & Animals
Jun 26, 2026
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12
Researchers in Taiwan have developed a cell-free extracellular matrix material from axolotl skin that helped mouse burn wounds close faster and show signs of reduced fibrotic scarring. The findings suggest that one of nature's ...
Cell & Microbiology
Jun 24, 2026
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12
Scientists await a big splash in the Pacific Ocean as one of the most research-packed Dragon spacecraft to date returns, completing the 34th SpaceX commercial resupply mission to the International Space Station for NASA. ...
Space Exploration
Jun 16, 2026
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13
