Scientists grow new lungs using 'skeletons' of old ones
Monday, June 28, 2010 - 01:35
in Biology & Nature
Tissue engineers' progress toward growing new lungs for transplantation or research has long been frustrated by the problem of coaxing stem cells to develop into the varied cell types that populate different locations in the lung. Now, researchers have found a possible solution by seeding mouse embryonic stem cells into "acellular" rat lungs -- organs whose original cells have been destroyed, leaving behind empty, lung-shaped scaffolds of structural proteins.
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