Pancreatic cancer cells escape T/NK cell immune surveillance through the expressional separation of CD58

Background
Membrane (m) CD58 is a co-stimulatory ligand that binds to CD2, and the CD2-(m) CD58 axis participates in lymphocyte activation. In addition to mCD58, a soluble form of CD58 (sCD58) has been reported in human serum, urine, and in vitro cell…

Analysis of treatment-free survival of patients with advanced melanoma receiving nivolumab as monotherapy or in combination with relatlimab in RELATIVITY-047

Background
Treatment-free survival (TFS; time spent free of systemic anticancer therapy) is increasingly used to support traditional endpoints. TFS was previously evaluated in patients with advanced melanoma treated with nivolumab plus ipilimumab. Thi…

Enhancing immunotherapy efficacy in NSCLC through the combined use of phenelzine and Akkermansia muciniphila to regulate gut microbial metabolite 5-HIAA

Background
Improving the efficacy of anti-programmed death 1 (PD-1) monoclonal antibody (mAb) therapy remains a major challenge for cancer immunotherapy in non-small cell lung cancer (NSCLC). Gut microbial metabolites can influence immunotherapy effic…

Randomized clinical efficacy and safety study of peltopepimut-S plus cemiplimab compared to cemiplimab alone in patients with recurrent/metastatic HPV16-positive head and neck cancer

Background
Peltopepimut-S is a therapeutic vaccine, which induces specific expansion of both CD4+helper and CD8+cytotoxic T-cells against human papillomavirus type 16 (HPV16) E6/E7 oncoproteins.

Patients and methods
In a randomized phase 2 trial, we …

The spontaneous neoantigen-specific CD4+ T-cell response to a growing tumor is functionally and phenotypically diverse

Background
CD4+ T cells play a critical role in the positive and negative regulation of cellular immunity through the many functional subsets they comprise. The progressive growth of immunogenic tumors which nonetheless generate mutation-specific T ce…

HLA Ligand Atlas DIA: extending the benign immunopeptidomics resource with increased sensitivity through data-independent acquisition mass spectrometry

The human leukocyte antigen (HLA)-presented peptide repertoire, termed immunopeptidome, plays a crucial role for T-cell mediated immune reactions. Previously, the human immunopeptidome of non-malignant tissues has been mapped in a large-scale study, t…

Spatial TCR clonality and clonal expansion in the in situ microenvironment of non-small cell lung cancer

Background
T-cell activation and clonal expansion are essential to effective immunotherapy responses in non-small cell lung cancer (NSCLC). The distribution of T-cell clones may offer insights into immunogenic mechanisms and imply potential prognostic…

Multiomics integration analysis identifies tumor cell-derived MIF as a therapeutic target and potentiates anti-PD-1 therapy in osteosarcoma

Background
Osteosarcoma is a highly aggressive cancer, and the efficacy of existing therapies has plateaued. Multiomics integration analysis can identify novel therapeutic targets for various cancers and therefore shows potential toward osteosarcoma t…

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