US Patent:
20180010091, Jan 11, 2018
Inventors:
- Cambridge MA, US
Barbara Imperiali - Cambridge MA, US
Christi D. Cook - Cambridge MA, US
Caroline Chopko Ahrens - Lubbock TX, US
Kasper Renggli - Cambridge MA, US
Jorge L. Valdez Macias - Cambridge MA, US
Assignee:
Massachusetts Institute of Technology - Cambridge MA
International Classification:
C12N 5/00
C08G 65/333
C08J 3/24
C08G 65/334
C08J 3/075
G01N 33/574
G01N 33/50
Abstract:
Methods of forming, dissolving, and functionalizing an extracellular matrix gel on demand based on cross-linking, modification, and dissolution of hydrogels using transpeptidase (e.g. sortase) are disclosed. Also provided are hydrogels comprising one or more macromers crosslinked to a mixture of peptides, wherein all or a portion of the peptides in the mixture comprise a recognition motif cleavable by a transpeptidase (e.g., sortase).