Bioprinter grows multiple tissues at one time (12/12/2006)
Julie Phillippi at Carnegie Mellon University in Pennsylvania has created a bio-ink printer that can
print muscle-derived stem cells onto bio-paper and can have them turn into either muscle or bone.
The technique, differs from previous research, by being able
to print multiple tissue types at the same time. Surgeons hope to one day use the technology to repair
various damaged tissues at the same time.
The process works by injecting different growth factor proteins onto the muscle stem cells, as they are being
injected on to the biopaper. By managing the spacing and patterning of the cells, and controlling the
concentrations of the proteins, the cells can be directed to grow into the desired tissue.
Dr. Phillipi expects that some day in the future, this technology could be used to treat conditions like
muscular dystrophy, or other degenerative diseases that cause tissues to break down.
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