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Boosting CAR-T cell therapies from under the skin

CAR-T cell therapies are transforming the treatment of previously incurable blood cancers, but a large proportion of patients still responds only poorly or not at all to them, calling for new strategies to overcome this challenge. Now, a research team has developed a simple intervention in the form of a biodegradable scaffold material called T-cell enhancing scaffolds (TES) that can be locally injected under the skin and used to restimulate CAR-T cells after their administration. This increased their therapeutic efficacy and significantly curbed tumor growth and prolonged animal survival in an aggressive mouse lymphoma model. ....

United States , Miguel Sobral , Robertp Pinkas , Yoav Binenbaum , Yutong Liu , Donald Ingber , Dave Mooney , David Mooney , David Zhang , Joshua Brockman , Kwasi Adu Berchie , Drug Administration , Harvard Johna Paulson School Of Engineering , Wyss Institute At Harvard University , National Institutes Of Health , University Of Wisconsin , Wyss Institute , Biologically Inspired Engineering , Harvard University , Harvard John , Applied Sciences , Nature Biomedical , Wyss Founding Core Faculty , Family Professor , Postdoctoral Fellow , Assistant Professor ,

A new glue, potentially also for you

<p>Hydrogels are already used in clinical practice for the delivery of drugs, and as lenses, bone cement, wound dressings, 3D scaffolds in tissue engineering and other applications. However, bonding different hydrogel polymers to one another has remained a challenge; yet it could enable numerous new applications. Now, Harvard Wyss and SEAS researchers pioneered a new method that uses a thin film of chitosan, a fibrous sugar-based material derived from the processed outer skeletons of shellfish, to make different hydrogels instantaneously and strongly stick to each other. They used their approach to locally protect and cool tissues, seal vascular injuries, and prevent unwanted &ldquo;surgical adhesions&rdquo; of internal body surfaces.&nbsp;</p>
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University Of Massachusetts Medical School , United States , Massachusetts Institute Of Technology , Spaulding Rehabilitation Hospital , Tufts University , Boston University , Dave Mooney , Juan Cintron Cruz , Benjamin Boettner , Daniel Kent , David Mooney , Robertp Pinkas , Mathew Lee , Phoebe Kwon , James Weaver , Donald Ingber , Benjamin Freedman , Haley Jeffers , Wyss Institute , National Institutes Of Health Institute On , Proceedings Of The National Academy Science , Founding Wyss Institute Core Faculty , Farber Cancer Institute , Method Of Research , Wyss Institute At Harvard University , Wyss Research ,