Agonistic CD40 antibody therapy induces tertiary lymphoid structures but impairs the response to immune checkpoint blockade in glioma
biorxiv(2021)
摘要
Gliomas are brain tumors characterized by immunosuppression. Immunostimulatory agonistic CD40 antibodies (αCD40) are in clinical development for solid tumors but are yet to be evaluated for glioma. Here, systemic delivery of αCD40 led to cytotoxic T cell dysfunction and impaired the response to immune checkpoint inhibitors in preclinical glioma models. This was associated with an accumulation of suppressive CD11b+ B cells. However, αCD40 also induced tertiary lymphoid structures (TLS). In human glioma, TLS correlated with increased T cell infiltration indicating enhanced immune responses. Our work unveils the pleiotropic effects of αCD40 therapy in glioma, which is of high clinical relevance.
### Competing Interest Statement
The authors have declared no competing interest.
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关键词
agonistic cd40 antibody therapy,immune checkpoint blockade,glioma
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