Tag

Regeneration

All articles tagged with #regeneration

Enzyme Inhibition Reverses Cartilage Degeneration Without Stem Cells
science23 days ago

Enzyme Inhibition Reverses Cartilage Degeneration Without Stem Cells

Scientists have shown in mice that inhibiting the aging enzyme 15-PGDH can regrow cartilage without stem cells, with treated cartilage thickening into hyaline cartilage and reprogramming existing joint cells to build tissue. Early tests on human cartilage also show reduced enzyme activity and initial matrix rebuilding, suggesting a potential, less invasive path to treating osteoarthritis, though research is in early stages.

Blocking an Aging Enzyme Reawakens Cartilage Regeneration Without Stem Cells
science26 days ago

Blocking an Aging Enzyme Reawakens Cartilage Regeneration Without Stem Cells

Researchers inhibited the aging-associated enzyme 15-PGDH in mice, thickening previously thinned cartilage and shifting local cells toward healthier cartilage formation; early tests on human osteoarthritic cartilage showed reduced enzyme activity and initial signs of matrix rebuilding, suggesting a potential upstream therapy for cartilage loss that doesn’t rely on stem cells.

Tiny Sea Anemone Holds Clues to Reversing Aging
science27 days ago

Tiny Sea Anemone Holds Clues to Reversing Aging

A study of the scarlet sea anemone, Nematostella vectensis, identifies tiny multipotent stem cells and key genes that drive its remarkable regeneration and aging resistance, using single-cell genomics and CRISPR to link nanos2 and piwi to somatic cell fate, making it a powerful model for anti-aging research while noting that translating these findings to humans remains a challenge.

Innovative Gel Promises to Repair and Regrow Tooth Enamel
health3 months ago

Innovative Gel Promises to Repair and Regrow Tooth Enamel

Researchers at the University of Nottingham have developed a gel that can repair and regrow tooth enamel, mimicking natural enamel formation and potentially simplifying dental treatments. The gel promotes organized crystal growth on damaged teeth, restoring strength and structure, and could lead to easier, more effective dental care in the future. However, further testing in humans is needed to ensure safety.