ArticleInflammation2021
SHP2 Targets ITK Downstream of PD-1 to Inhibit T Cell Function.
Article in Inflammation, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
13 citing papers in PubMed, 19 citations in OpenAlex.
- SHP2 as a pivotal modulator of the tumor microenvironment in gastrointestinal cancers: from mechanisms to targeted therapies.Journal of translational medicine · 2026Review
- T lymphocyte-specific deletion of SHP1 and SHP2 promotes activation-induced cell death of CD4Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- CD39Frontiers in oncology · 2025Review
- Synthesis and characterization of soquelitinib a selective ITK inhibitor that modulates tumor immunity.npj drug discovery · 2024Article
- Deep phosphotyrosine characterisation of primary murine T cells using broad spectrum optimisation of selective triggering.Proteomics · 2024Article
- Tyrosine phosphataseFrontiers in immunology · 2024Review
- Targeting protein phosphatases in cancer immunotherapy and autoimmune disorders.Nature reviews. Drug discovery · 2023Review
- Mechanism of exosomes in the tumor microenvironment in the abscopal effect (Review).International journal of oncology · 2023Article
- A comprehensive review of SHP2 and its role in cancer.Cellular oncology (Dordrecht, Netherlands) · 2022Review
- Immune Checkpoint Receptors Signaling in T Cells.International journal of molecular sciences · 2022Review
- Combination Approaches to Target PD-1 Signaling in Cancer.Frontiers in immunology · 2022Review
- The PD-1 Interactome.Advanced biology · 2021Review
- Bridging the Gap: Connecting the Mechanisms of Immune-Related Adverse Events and Autoimmunity Through PD-1.Frontiers in cell and developmental biology · 2021Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors at 2 institutions in 1 country.
Funding
Abstract
PD-1 is a critical therapeutic target in cancer immunotherapy and antibodies blocking PD-1 are approved for multiple types of malignancies. The phosphatase SHP2 is the main effector mediating PD-1 downstream signaling and accordingly attempts have been made to target this enzyme as an alternative approach to treat immunogenic tumors. Unfortunately, small molecule inhibitors of SHP2 do not work as expected, suggesting that the role of SHP2 in T cells is more complex than initially hypothesized. To better understand the perplexing role of SHP2 in T cells, we performed interactome mapping of SAP, an adapter protein that is associated with SHP2 downstream signaling. Using genetic and pharmacological approaches, we discovered that SHP2 dephosphorylates ITK specifically downstream of PD-1 and that this event was associated with PD-1 inhibitory cellular functions. This study suggests that ITK is a unique target in this pathway, and since ITK is a SHP2-dependent specific mediator of PD-1 signaling, the combination of ITK inhibitors with PD-1 blockade may improve upon PD-1 monotherapy in the treatment of cancer.
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Registered trials
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 Socratic graph.