June 28, 2018
Hertz Fellow Luis
bioengineer leading manufacturing at United Therapeutics, wants
to build you a new lung – but not one cell at a time. Traditional bioprinting,
where cells are squeezed into place through a hollow needle is, he says, akin
to “pushing water balloons through a straw.” It’s a constrained process that
limits the resolution of the resulting tissue’s structure. Instead, Alvarez and
United are focused on “recellularization,” where living cells are infused into
a printed scaffold of structural collagen.
Read more to follow the MIT
Technology Review inside United Therapeutics' efforts to make new
lungs at an ambitious scale.