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This immunosuppressive tumor microenvironment involves CD4 + and FoxP3 + cells that represent a regulatory T - cell population.
Genetically modified «hunter» T cells successfully migrated to and penetrated a deadly type of brain tumor known as glioblastoma (GBM) in a clinical trial of the new therapy, but the cells triggered
an immunosuppressive tumor microenvironment and faced a complex mutational landscape that will need to be overcome to better treat this aggressive cancer, Penn Medicine researchers report in a new study this week in Science Translational Medicine.
Not exact matches
It's this «
immunosuppressive»
microenvironment that gives the remaining
tumor cells license to metastasize and flourish in other parts of the body.
But T cells typically can not attack
tumors because the
immunosuppressive microenvironment of
tumors keeps APCs from turning these signals on.
The paper identified two barriers: a wide variation in EGFRvIII expression in patients and a resistance in the
tumor microenvironment, which researchers showed became even more
immunosuppressive following CAR T cell infusion.
The ability of CD8 + T lymphocytes to eliminate
tumors is limited by their ability to engender an
immunosuppressive microenvironment.
Trp53 inactivation in the
tumor microenvironment promotes
tumor progression by expanding the
immunosuppressive lymphoid - like stromal network.
One barrier to successful cancer immunotherapy is the
tumor microenvironment, which recruits
immunosuppressive cells that can inhibit endogenous anti-
tumor responses.