Molecular response cutoffs and ctDNA collection timepoints influence on interpretation of associations between early changes in ctDNA and overall survival in patients treated with anti-PD(L)1 and/or chemotherapy

Background
Circulating tumor DNA (ctDNA) is a promising intermediate end point for oncology drug development, potentially accelerating regulatory approvals by providing early insights into treatment response. However, challenges remain in standardizin…

ESPEC-SUIT: a versatile and robust platform to identify and track antigen-specific T cell receptors in patients with cancer

Background
Methods to identify and characterize antigen-reactive T cell receptors (TCRs) represent important tools to understand and exploit T cell responses in patients with cancer and beyond. Current methods are hampered by the rarity of individual …

Clonal hematopoiesis is associated with reduced response to atezolizumab in non-small cell lung cancer

Background
The acquisition of somatic mutations associated with the expansion of certain hematopoietic stem cells is known as clonal hematopoiesis (CH). Despite evidence of CH association with age-related pro-inflammatory diseases, little is known abo…

Germline whole-exome sequencing reveals FOXP3-related gene variants conferring urinary cancer susceptibility and associated with immune escape

Background
The heritability of urinary tract cancer (UTC) remains unexplained by known pathogenic germline variants, and the influence of germline variants on treatment response to immune checkpoint inhibition (ICI) has yet to be fully elucidated.

Me…

LncRNA-CTD suppresses metastasis and immune evasion by modulating snail1 and MHC-I expression in colorectal cancer

Background
Distant metastasis and immune evasion are the major obstacles for successful colorectal cancer (CRC) treatment. The link between metastasis and immune evasion, as well as their therapeutic significance, remains unclear.

Methods
Long non-co…

Novel circulating microRNA signature for early detection and prognostication of checkpoint inhibitor-related pneumonitis

Background
Checkpoint inhibitor-related pneumonitis (CIP) represents a highly lethal immune-related adverse event. Early diagnosis of CIP is crucial for timely intervention and improved prognosis; however, the absence of precise and effective diagnost…

High MGMT expression identifies aggressive colorectal cancer with distinct genomic features and immune evasion properties

Introduction
The epigenetic silencing of O6-methylguanine DNA methyltransferase (MGMT) is associated with reduced DNA repair capacity, carcinogenesis and increased sensitivity to alkylating chemotherapy. However, the biological role and clinical signi…

Factors that increase class I MHC expression may contribute to the development of immune checkpoint inhibitor-induced diabetes

Immune checkpoint inhibitors (ICIs) have improved survival of patients with cancer, yet they pose risks of immune-related adverse events (irAEs). ICI-induced insulin-dependent diabetes mellitus (ICI-DM) is a life-threatening and life-altering irAE. Pr…

Allele-specific HLA LOH in solid tumors: distinct patterns by tumor type and potential prognostic relevance

T-cell receptors (TCRs) recognize antigens derived from fragments of somatically expressed proteins that are degraded by the proteasome and presented by specific human leukocyte antigen (HLA) molecules. Recent therapeutic advances using the TCR as a t…

High transposable element expression in sarcomas is associated with increased immune infiltrates and improved outcomes including after immunotherapy

Background
Response to immune checkpoint inhibition (ICI) in sarcomas is overall low and heterogeneous. Understanding determinants of ICI outcomes may improve efficacy and patient selection. Thus, we investigated whether the expression of transposable…

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