Ovarian cancer chemokines may not be a significant barrier during whole tumor antigen dendritic-cell vaccine and adoptive T-cell immunotherapy

ABSTRACT Tumor barriers preventing T-cell homing and engraftment should be neutralized during cancer immunotherapy. We recently discovered that ovarian cancer expresses quasi-universal chemokines that can support T-cell homing. Furthermore, T cells elicited by whole tumor antigen dendritic-cell vaccines express cognate chemokine receptors which are upregulated by CD3/CD28 costimulation.

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