Enhanced antitumor efficacy of combined targeting of adenosine A2B receptor and PD-1 is mediated via multiple effects on different cell populations within tumor microenvironment

Q: What does this research mean for the field?

Inhibition of adenosine A2B receptor activity reduces TGFβ signaling and enhances the efficacy of immune checkpoint inhibitor therapy in non-small cell lung cancer (NSCLC). Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

Shuxiao Guan; Cankun Wang; Joseph M. Amann; Ju Hwan Cho; Qin Ma; David P. Carbone

doi:10.1007/s00262-026-04330-1

February 28, 2026Cancer Immunology ImmunotherapyOpen Access

Enhanced antitumor efficacy of combined targeting of adenosine A2B receptor and PD-1 is mediated via multiple effects on different cell populations within tumor microenvironment

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Key Points

The study aims to explore how inhibiting the adenosine A2B receptor affects immune responses in tumors.
Examined the effects of A2B receptor inhibition on TGFβ signaling.
Assessed the impact of combining A2B receptor blockade with immune checkpoint inhibitors.
Utilized a model of non-small cell lung cancer for analysis.
Blocking the A2B receptor reduced TGFβ signaling levels.
Inhibition enhanced the efficacy of immune checkpoint inhibitor therapy.
Observed changes in various immune cell populations within the tumor microenvironment.

Implication

Combined targeting improves immune response in non-small cell lung cancer, suggesting new therapeutic strategies.

Abstract

Our findings suggest that inhibition of adenosine activity by blocking the A2B receptor reduces TGFβ signaling and enhances the efficacy of ICI therapy in NSCLC.

Discussion

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Cite This Study

Guan et al. (2026) studied this question.

synapsesocial.com/papers/69a52d9af1e85e5c73bf090c https://doi.org/10.1007/s00262-026-04330-1

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Enhanced antitumor efficacy of combined targeting of adenosine A2B receptor and PD-1 is mediated via multiple effects on different cell populations within tumor microenvironment

Key Points

Implication

Abstract

Discussion

Cite This Study

Enhanced antitumor efficacy of combined targeting of adenosine A2B receptor and PD-1 is mediated via multiple effects on different cell populations within tumor microenvironment

Key Points

Implication

Abstract

Discussion

Cite This Study

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