ArticleInternational journal of molecular sciences2026
Inducible Costimulator and Its Ligand Promote Proliferation and Migration of Tumor Cells in Cutaneous T-Cell Lymphoma.
Article in International journal of molecular sciences, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Pathway-Centric Comparative Molecular Profiling of Sézary Syndrome and Primary Cutaneous CD8Cancers · 2026Article
- A Conversational Artificial Intelligence Framework for Comparative Pathway-Level Profiling of Sézary Syndrome and Primary Cutaneous CD8medRxiv : the preprint server for health sciences · 2026Article
- Conversational Artificial Intelligence-Enabled Molecular Characterization of Sézary Syndrome Reveals Distinct Pathway-Level Alterations Compared with Non-Sézary Cutaneous T-Cell Lymphoma.medRxiv : the preprint server for health sciences · 2026Article
Corrections and comments
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Authors and funding
15 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Inducible costimulator (ICOS) is a costimulatory immune checkpoint receptor expressed on activated T-cells, while the ICOS ligand (ICOSL) is expressed on antigen-presenting cells. The ICOS-ICOSL axis promotes the survival of memory and effector T-cells and induces several immune responses. In addition, the ICOS-ICOSL interaction induces cell proliferation, cell survival, and cytokine production. The roles of ICOS and ICOSL in cutaneous T-cell lymphoma (CTCL) are unclear. In this study, we examined the roles of ICOS and ICOSL in CTCL. The tumor cells co-expressed ICOS and ICOSL, and the upregulated expression of ICOS and ICOSL reflected disease severity. Anti-ICOS and anti-ICOSL neutralizing antibodies inhibited both the in vitro and in vivo proliferation of CTCL cell lines. The anti-ICOSL neutralizing antibodies induced apoptosis and suppressed CCR4 expression on tumor cells, inhibiting CCR4-CCL17-mediated migration. These results suggest that the ICOS-ICOSL axis plays an essential role in CTCL pathogenesis, and targeting the ICOS-ICOSL axis could be a viable strategy for treating CTCL.
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Registered trials
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