Came across this while doing research on regenerative medicine. I have been talking with Dr. Runels about this. His feeling right now is that this is similar to the Acell method, but it might prove worthy of more investigation. This might be a upcoming method that could be used for PE. Link to the website is:
The company lists several options for potential applications such as breast and buttock augmentation and volume filling.
Interesting stuff, it keeps evolving. I will keep everyone updated if this becomes yet another option.