What's more, mixing stem cells with polymer materials could be a potent strategy for repairing damaged tissues. Scientists have tried with some success to use injections of stern cells to repair injured spinal cords in lab...
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What's more, mixing stem cells with polymer materials could be a potent strategy for repairing damaged tissues. Scientists have tried with some success to use injections of stern cells to repair injured spinal cords in lab animals. A supporting structure might improve the outcome. "Even the best stem cells are going to need a template to allow the cells to take hold;' says Evan Snyder, a developmental biologist at the Burnham Institute in La Jolla, Calif. By designing new scaffolds that can interact with stem cells, researchers are working to mimic the way tissues and organs naturally develop in the body. Says chemical engineer Jennifer Elisseeff of Johns Hopkins University in Baltimore, "Stem cells have really given the field of tissue engineering an extra push." FEELING THE WAY Fantastic orchestration underlies tissue development; trying to recapitulate it in the lab is a daunting undertaking. That challenge requires designing new materials that are strong enough to support and guide cells, that provide specific biological signals that make the cells behave in certain ways, and that degrade at the appropriate rates.
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