High regulatory T cells infiltrate within tertiary lymphoid structure restricts response to immune checkpoint blockers in sarcomas

High regulatory T cells infiltrate within tertiary lymphoid structure restricts response to immune checkpoint blockers in sarcomas

  Background The composition of the tumor microenvironment is a key determinant of effective anti-tumor immunity. In sarcomas, the presence of organized B and T cell aggregates, known as tertiary lymphoid structures, has recently been shown to predict response to immune checkpoint blockers. However, only a minority of patients derive clinical benefit from immune checkpoint […]

Development and characterization of a novel anti-PD1 resistant sarcoma mouse model

Development and characterization of a novel anti-PD1 resistant sarcoma mouse model

Soft tissue sarcoma (STS) is known to be resistant to cancer immunotherapy, including prototypical immune checkpoint inhibitors such as anti-PD1 antibodies. It is therefore crucial to develop innovative strategies aimed at improving current clinical benefit. To support this objective, well-characterized sarcoma preclinical models that mimic resistance to immunotherapy are needed. Starting from the anti-PD(L)1-sensitive MCA205 […]

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