ArticleCancer immunology, immunotherapy : CII2022
Targeting PD-L1 and TIGIT could restore intratumoral CD8 T cell function in human colorectal cancer.
Article in Cancer immunology, immunotherapy : CII, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers.
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Who cites it
46 citing papers in PubMed, 64 citations in OpenAlex.
- Neoadjuvant anti-PD-1 alone or in combination with anti-TIGIT or an oncolytic virus in resectable stage IIIB-D melanoma: a phase 1/2 trial.Nature medicine · 2025Trial
- The Right Key, the Wrong Lock: TIGIT Checkpoint Blockade and the Road to Precision Immunotherapy.Pharmaceutics · 2026Review
- Single-cell analysis reveals crosstalk between TREM1-positive myeloid cells and cancer-associated fibroblasts in colorectal cancer progression.Journal of gastroenterology · 2026Article
- Immune Checkpoint-Based Therapies in Colorectal Cancer-Current Approaches and Future Perspectives.International journal of molecular sciences · 2026Review
- CTMP-REV7 axis modulates MHC-I antigen presentation via CDK1-AKT crosstalk in MSI-L/MSS colorectal cancer.Cellular oncology (Dordrecht, Netherlands) · 2026Article
- Article
- The evolving role of OMICS in gastrointestinal tumor biology and clinical practice.Molecular cancer · 2026Review
- Recent research progress and clinical status of immunotherapy for colorectal cancer.Journal of advanced research · 2026Review
- Targeting T cell exhaustion in colorectal cancer: emerging roles of LAG-3, TIM-3, and TIGIT signaling in overcoming immunotherapy resistance.Cell communication and signaling : CCS · 2026Review
- Multicellular immunosuppressive networks in microsatellite-stable colorectal cancer: CD8+ T cell exclusion, dysfunction, exhaustion, and therapeutic implications.Frontiers in immunology · 2026Review
- Myeloid-derived suppressor cells and regulatory T cells in colorectal cancer: a synergistic immunosuppressive axis and emerging therapeutic opportunities.Frontiers in immunology · 2026Review
- Mechanisms of immune resistance in microsatellite-stable colorectal cancer.Frontiers in oncology · 2026Review
- Increased CD103Cancer immunology, immunotherapy : CII · 2025Article
- TIGIT in cancer: from mechanism of action to promising immunotherapeutic strategies.Cell death & disease · 2025Review
- Inhibitory Immune Checkpoints beyond Programmed Cell Death Ligand 1 in Merkel Cell Carcinoma: Abundant Expression of TIGIT Independent of the Presence of Merkel Cell Polyoma Virus.Acta dermato-venereologica · 2025Article
- TIGIT expression in extrahepatic cholangiocarcinoma and its impact on CD8 + T cell exhaustion: implications for immunotherapy.Cell death & disease · 2025Article
- SET facilitates immune escape of microsatellite stability colorectal cancer by inhibiting c-Myc degradation.Cancer science · 2025Article
- Tiragolumab and TIGIT: pioneering the next era of cancer immunotherapy.Frontiers in pharmacology · 2025Review
- Identification of a TIGIT-expressing CD8Frontiers in immunology · 2025Article
- Cellular mechanisms of combining innate immunity activation with PD-1/PD-L1 blockade in treatment of colorectal cancer.Molecular cancer · 2024Review
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Microsatellite stable colorectal cancers (MSS-CRC) are resistant to anti-PD-1/PD-L1 therapy but the combination of immune checkpoints inhibitors (ICI) could be a clue to reverse resistance. Our aim was to evaluate ex vivo the capacity of the combination of atezolizumab (anti-PD-L1) and tiragolumab (anti-TIGIT) to reactivate the immune response of tumor infiltrating lymphocytes (TILs) in MSS-CRC. We analysed CRC tumor tissue and the associated blood sample in parallel. For each patient sample, extensive immunomonitoring and cytokine production were tested. We generated an ex vivo assay to study immune reactivity following immune stimulation with checkpoint inhibitors of tumor cell suspensions. Three microsatellite instable (MSI) and 13 MSS-CRC tumors were analysed. To generalize our observations, bioinformatics analyses were performed on public data of single cell RNA sequencing of CRC TILs and RNA sequencing data of TCGA. Atezolizumab alone could only reactivate T cells from MSI tumors. Atezolizumab and tiragolumab reactivated T cells in 46% of MSS-CRC samples. Reactivation by ICK was observed in patients with higher baseline frequency of Th1 and Tc1 cells, and was also associated with higher baseline T cell polyfunctionality and higher CD96 expression. We showed that a high frequency of CD96 expression on T cells could be a surrogate marker of atezolizumab and tiragolumab efficacy. Together these data suggest that the association of atezolizumab and tiragolumab could restore function of CD4 and CD8 TILs in MSS-CRC and could be tested in a clinical trial in colorectal cancer patients with MSS status.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.