Tag: cells
Injured Skin Cells Fire like Neurons to ‘Scream’ for Help
Skin Cells ‘Scream’ for Help When Injured Our skin’s epithelial cells send electrical signals like neurons to cry out for help By Allison Parshall edited by Sarah Lewin Frasier Epithelial cells from finger skin stained pink. Join Our Community of Science Lovers! Neurons talk to one another using electricity. If you could hear these impulses,…
Vitamin D May Slow Cells’ Aging by Protecting DNA
Vitamin D May Slow Cells’ Aging Vitamin D supplements may help prevent the loss of telomeres, DNA sequences that shrink with aging, a large study shows. But the health effects aren’t yet clear By Stephanie Pappas edited by Jeanna Bryner A new study suggests vitamin D supplements might slow cellular aging by protecting telomeres. Vitamin…
Plants’ Photosynthetic Machinery Functions inside Hamster Cells
Plants’ Photosynthetic Machinery Functions inside Hamster Cells Transplanted chloroplasts endured two days inside animal cells—and got to work By Saugat Bolakhe edited by Sarah Lewin Frasier Researchers transplanted chloroplasts from algae into Chinese hamster (Cricetulus griseus) cells. Join Our Community of Science Lovers! More than a billion years ago a hungry cell devoured a tiny…