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Boosting CAR-T cell therapies from under the

Boosting CAR-T cell therapies from under the
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Fast on-demand multi-material multi-nozzle 3D printing in a fraction of the time

Expanding a lymph node, boosting a vaccine

For the first time, researchers from the&nbsp;Wyss Institute for Biologically Inspired Engineering at Harvard University,&nbsp;Harvard John A. Paulson School of Engineering and Applied Sciences&nbsp;(SEAS), and&nbsp;Genentech<u>, a member of the Roche Group,</u>&nbsp;found a way to enhance and extend LN expansion, and study how this phenomenon affects both the immune system and efficacy of vaccinations against tumors. While the oversized LNs maintained a normal tissue organization, they displayed altered&nbsp;mechanical features&nbsp;and hosted higher numbers of various immune cell types that commonly are involved in immune responses against pathogens and cancers. Importantly, &ldquo;jump-starting&rdquo; lymph node expansion prior to administering a traditional vaccine against a melanoma-specific model antigen led to more effective and sustained anti-tumor responses in mice.&nbsp;

Durable lymph-node expansion improves vaccine responses against tumors

Each one of us has around 600 lymph nodes (LNs) – small, bean-shaped organs that house various types of blood cells and filter lymph fluid – scattered throughout our bodies.

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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