In order to attract the rabbit's own stem cells to re-grow the cartilage, channels in the scaffold were filled with a growth factor protein.

VOA: standard.2010.08.11

"That's where the majority of the lobsters are, they're in the deep water." "That's where the channels are, so you gotta compete with the ships.

VOA: standard.2010.07.20

"So this could be, certainly it was heralded at the time of the Geneva meeting, as a breakthrough in terms of opening channels more widely with the Iranians."

VOA: standard.2009.10.19

"What we found was with one protein that we delivered in the micro-channels in the scaffolds, that was sufficient to regenerate the entire joint surface with cartilage and with bone and with blood vessels."

VOA: standard.2010.08.11