Search results for rats

Impressive new work from an international team of scientists has demonstrated a potential way to restore vision in those suffering from degenerative diseases of the retina. A single injection of nanoparticles was found to create a working artificial retina, restoring vision to blind rodents.Continue ReadingCategory: Medical, ScienceTags: Nanotechnology, Nanoparticles, Eye, Vision, Retina, Blindne
Some animals, like mice and birds, are able to bring their body temperature and metabolism way down to conserve energy, going into a sleep-like state called torpor. Now researchers have identified the brain cells that trigger this state, showing they can activate it on demand. The team was even able to do it in rats, which don’t normally do it at all, suggesting that such a “suspended animation”
Imagine needing a liver transplant, and instead of waiting for a donor, a new one could be grown from your own skin cells. Scientists have now taken quite a big step towards that future, by successfully transplanting miniature human livers grown from induced pluripotent stem cells (IPSCs) into rats.Continue ReadingCategory: ScienceTags: Organ donation, Artificial organs, University of Pittsburgh,
Scientists have already observed that rats will voluntarily share food with other rats who are hungry. A new study now suggests that they do so not just based on what the other rat does, but also on how it smells.Continue ReadingCategory: Biology, ScienceTags: Behavior, University of Bern, University of Potsdam, Animals, Odor
Cancer is a crafty foe, employing an array of tricky techniques to hide from the immune system while it grows. But now, scientists have managed to copy one of those strategies and use it for good, making new microparticles that permanently prevent transplanted tissue or even whole limbs from being rejected by the immune system.Continue ReadingCategory: Medical, ScienceTags: Cancer, Transplant, Un
They mightn't seem like the most obvious places to look, but the venom of deadly creatures like spiders, snakes and scorpions are an increasingly rich source of medicines for human health. The latest example of this comes from scientists at Fred Hutchinson Cancer Research Center, who have discovered a tiny protein in scorpion venom that could become part of a potent new treatment for arthritis.Co
Osteoarthritis is one of the most common ailments of an aging population. Now, researchers at the Salk Institute have found that a combination of two experimental drugs appears to reverse the symptoms of the disorder in rats and in human cells.


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