Chimeric switch scaffold protein augments CAR synapse formation and signaling networks

Background
Chimeric antigen receptor (CAR) T-cell therapy has achieved clinical success in hematologic malignancies, but remains limited in solid tumors due to immune checkpoint-mediated suppression and intrinsic signaling constraints. Unlike T-cell r…

FLT3L-secreting cDC1 in situ vaccination enhances antitumor immunity and synergizes with PD-1 blockade in murine non-small cell lung cancer

Background
Non-small cell lung cancer (NSCLC) frequently evades immune surveillance through defective antigen presentation and a suppressive tumor microenvironment (TME), limiting the efficacy of immune checkpoint blockade (ICB). Conventional type 1 d…

Sequential involvement of hypoxia and anti-PD-1 treatment in shaping tumor-regional CD39+CD8+ T cells highlights immunotherapy-resistant features in NSCLC

Background
Understanding resistance to anti-programmed cell death protein 1 (PD-1) therapy is critical for developing reversal strategies. Although ectonucleotidase CD39 (ENTPD1) (CD39)+ cluster of differentiation 8 (CD8)+ T cells have been associated…

Emerging role of microRNAs as modulators of the tumor immune microenvironment

The advent of immune checkpoint inhibitors (ICIs) has transformed the treatment landscape of several malignancies, but durable clinical benefits are only observed in a subset of patients. Primary and acquired resistance to immunotherapy, largely drive…

IL4R{alpha} blockade inhibits proliferation of malignant lymphocytes and the immunosuppressive tumor microenvironment of mycosis fungoides

Background
Limited therapeutic options are available for patients with advanced-stage mycosis fungoides (MF), and the 5-year survival rate is 25%. Due to its critical role in MF pathogenesis, the IL4/IL13 pathway presents a promising target for treatm…

Immune checkpoint inhibitor therapy after tumor-infiltrating lymphocytes in unresectable melanoma

Purpose
Treatment strategies for patients with advanced melanoma resistant to adoptive cell therapy with tumor-infiltrating lymphocytes (TILs) remain undefined. The efficacy of immune checkpoint inhibitors (ICIs) after TIL has not been previously desc…

COVID-19 mRNA vaccination and immune-related adverse events in patients with cancer receiving immune checkpoint inhibitors: a target trial emulation study

Background
COVID-19 messenger RNA (mRNA) vaccines enhance immune checkpoint inhibitor (ICI) efficacy through type I interferon responses, but may theoretically increase the burden of immune-related adverse events (irAEs). This study aimed to determine…

Targeting non-canonical antigens unlocks functional T-cell responses in renal cell carcinoma

Background
Renal cell carcinoma (RCC) frequently exhibits favorable responses to immunotherapy, despite a low tumor mutational burden, suggesting a critical role for non-mutational antigens presented by human leukocyte antigen class I in activating CD…

Spatial immune atlas of breast cancer brain metastasis reveals CD163+ macrophage reprogramming associated with immune escape

Background
Brain metastases (BrM) remain a major cause of mortality in breast cancer (BC), yet the spatial organization and molecular circuitry of the metastatic immune microenvironment are poorly defined.

Methods
To address this gap, we integrated h…

Immune checkpoint inhibitor neurotoxicity: long-term outcomes with focus on 1-year neurological sequelae

Background
Data on the long-term course of neurological immune-related adverse events (n-irAEs) are limited by the size of studies as well as short and heterogeneous follow-up durations. Herein, we assessed the risk and predictors of 1-year neurologic…

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