Injectable Sponge Delivers Drugs, Cells, And Structure
Posted Nov 13 2012 5:58pm
Bioengineers at Harvard have developed a gel-based sponge that can be molded to any shape, loaded with drugs or stem cells, compressed to a fraction of its size, and delivered via injection. Once inside the body, it pops back to its original shape and gradually releases its cargo, before safely degrading.
The biocompatible technology, revealed this week in the Proceedings of the National Academy of Sciences, amounts to a prefabricated healing kit for a range of minimally invasive therapeutic applications, including regenerative medicine.
“What we’ve created is a three-dimensional structure that you could use to influence the cells in the tissue surrounding it and perhaps promote tissue formation,” explains principal investigator David J. Mooney, Robert P. Pinkas Family Professor of Bioengineering at the Harvard School of Engineering and Applied Sciences (SEAS) and a Core Faculty Member at the Wyss Institute for Biologically Inspired Engineering at Harvard.