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Biorthogonal Catalytic Scaffold for in situ Personalized Cancer Chemo-Immunotherapy

Objective

In this fellowship I will leverage the recent advances in biorthogonal chemistry to develop an implantable catalytic hydrogel for chemoimmunotherapy through transition metal-mediated biorthogonal drug uncaging. The past decade saw incredible advances in the field of cancer immunotherapies, with immune checkpoint blockade therapies and chimeric antigen receptor-T cell therapies demonstrating clinical efficacy. However, issues still exist, as life-threatening side effects and limited patient response. Therefore, there is a huge need for innovative solutions to improve immunotherapies outcome. This project seeks to apply the materials and reaction engineering competence of the applicant, together with the biomaterials expertise of the Stevens lab (Karolinska Institute) to design a nanocatalyst-doped hydrogel with tailored geometry, as the first biorthogonal catalytic system for cancer immunotherapy. The biomaterial developed in this fellowship will address cancer immunotherapy through a completely unexplored approach: catalytic uncaging of non-toxic prodrugs to their active form through metal-catalyzed depropargylation reactions, completely orthogonal to biological processes. The implant will enable uncaging of two toxic drugs: a chemotherapeutic – doxorubicin – inducing immunogenic cell death, and an immunostimulant drug – R848, a TLR7/8 agonist. The combination of drugs activated by the implant will enable localized cancer cells death with release of cancer-specific antigens, antigens then uptaken by antigen presenting cells, eventually eliciting antitumor immunity, towards a personalized cancer vaccine. The design of the scaffold will be guided by principles of biomaterials design and catalytic reaction engineering. Working in the Stevens lab I will access state-of-the-art equipment for materials synthesis and characterization, and cutting edge facilities to study the cell-material interactions in vitro and characterize the efficacy of the envisioned treatment.

Coordinator

KAROLINSKA INSTITUTET
Net EU contribution
€ 206 887,68
Address
Nobels Vag 5
17177 Stockholm
Sweden

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Region
Östra Sverige Stockholm Stockholms län
Activity type
Higher or Secondary Education Establishments
Links
Total cost
No data