Renato Brito Baleeiro: Armoured CAR T-cells engineered to withstand the tumour immunosuppressive micro-environment of solid tumours
Renato Brito Baleeiro, Senior Scientist Project Lead at VacV Biotherapeutics, shared a post on LinkedIn:
“Armoured CAR T-cells engineered to withstand the tumour immunosuppressive micro-environment of solid tumours. Researchers reported a groundbreaking advancement in Chimeric antigen receptors (CAR) T-cell therapy targeting ROR1-positive tumours.
By developing a novel ROR1-CAR with a fully human single-chain variable fragment (scFv9) targeting domain and fortifying it with a dominant-negative form of the TRFβRII (TGFβRIIDN) armor against the suppressive tumour micro-environment, remarkable results were observed.
The novel Chimeric antigen receptors (CAR) T-cells exhibited superior functionality and tumour-clearing ability compared to the previous CAR, notably achieving complete remission in solid ovarian tumours in mice.
Moreover, the armored CAR demonstrated resilience against TGFβ-mediated inhibition, crucial for combating the immunosuppressive micro-environment found in solid cancers.
These findings present a promising avenue for enhanced CAR T-cell efficacy and potential clinical application.
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Source: Renato Brito Baleeiro/LinkedIn
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