Salamanders’ immune systems are key to their remarkable ability to regrow limbs, and could also underpin their ability to regenerate spinal cords, brain tissue and even parts of their hearts, scientists have found.
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Longevity science
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Live longer in good health and you will have a chance to extend your healthy life even further
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Scientists from Britain and Japan shared a Nobel Prize on Monday for the discovery that adult cells can be transformed back into embryo-like stem cells that may one day regrow tissue in damaged brains, hearts or other organs.
John Gurdon, 79, of the Gurdon Institute in Cambridge, Britain and Shinya Yamanaka, 50, of Kyoto University in Japan share the $1.2 million Nobel Prize for Medicine, for work Gurdon began 50 years ago and Yamanaka capped with a 2006 experiment that transformed the field of "regenerative medicine" - the search for ways to cure disease by growing healthy tissue.
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Metformin, a drug commonly used to treat Type II diabetes, can help trigger the pathway used to instruct stem cells in the brain to become nerve cells researchers at The Hospital for Sick Children (SickKids) have found.
Brain stem cells and the neural cells they generate play a role in the repair of the injured or degenerating brain. This study suggests a novel therapeutic approach to treating people with brain injuries or potentially even neurodegenerative diseases.
“If you could take stem cells ..."
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A new therapeutic technique to repair and rebuild muscle for sufferers of degenerative muscle disorders has been developed by an international team of researchers, according to a study published today in BioMed Central’s open access journal Skeletal Muscle.
The therapy brings together two existing techniques for muscle repair — cell transplantation (mesoangioblast stem cells) and tissue engineering, delivering the stem cells via a hydrogel cell-carrier matrix.
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A new approach to medical 3D printing is set to speed up the production of body-parts.
Scientists have demonstrated the ability to print three-dimensional blood vessels in seconds. If the technique proves scalable, it could revolutionize regenerative medicine.
Imagine being able to recover from a heart attack by replacing your faulty aortic valve with a brand new one, made of your own cells...
Joel Finkle's curator insight,
January 7, 2015 5:13 PM
Printable blood vessels - that could be useful for coronary bypass, and basic structure of printing replacement organs. There's a lot of hand-waving about using your own cells (where do they come from, what stem cell processes?), but the potential is there.
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How do they do it?
There are two types of worm that can regenerate their cells indefinitely, leading researchers to question—is this a key to immortality?
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