ArticlePharmaceuticals (Basel, Switzerland)2021
Role of Ezrin/Radixin/Moesin in the Surface Localization of Programmed Cell Death Ligand-1 in Human Colon Adenocarcinoma LS180 Cells.
Article in Pharmaceuticals (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 17 citations in OpenAlex.
- Proteomic Profiling of Non-Muscle Invasive Bladder Cancer Reveals Stage-Specific Molecular Signatures and Prognostic Biomarkers.Proteomes · 2025Article
- Radixin: Roles in the Nervous System and Beyond.Biomedicines · 2024Review
- Tension-induced adhesion mode switching: the interplay between focal adhesions and clathrin-containing adhesion complexes.bioRxiv : the preprint server for biology · 2024Article
- The Peptide AWRK6 Alleviates Lipid Accumulation in Hepatocytes by Inhibiting miR-5100 Targeting G6PC.International journal of molecular sciences · 2023Article
- Multifaceted Effects of Kinase Inhibitors on Pancreatic Cancer Cells Reveals Pivotal Entities with Therapeutic Implications.Biomedicines · 2023Article
- Review
- The 8q24 region hosts miRNAs altered in biospecimens of colorectal and bladder cancer patients.Cancer medicine · 2023Article
- Moesin Serves as Scaffold Protein for PD-L1 in Human Uterine Cervical Squamous Carcinoma Cells.Journal of clinical medicine · 2022Article
- Ezrin Contributes to the Plasma Membrane Expression of PD-L1 in A2780 Cells.Journal of clinical medicine · 2022Article
- Ezrin Regulates the Cell Surface Localization of PD-L1 in HEC-151 Cells.Journal of clinical medicine · 2022Article
- Ezrin Modulates the Cell Surface Expression of Programmed Cell Death Ligand-1 in Human Cervical Adenocarcinoma Cells.Molecules (Basel, Switzerland) · 2021Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
Programmed cell death ligand-1 (PD-L1), an immune checkpoint protein highly expressed on the cell surface in various cancer cell types, binds to programmed cell death-1 (PD-1), leading to T-cell dysfunction and tumor survival. Despite clinical successes of PD-1/PD-L1 blockade therapies, patients with colorectal cancer (CRC) receive little benefit because most cases respond poorly. Because high PD-L1 expression is associated with immune evasion and poor prognosis in CRC patients, identifying potential modulators for the plasma membrane localization of PD-L1 may represent a novel therapeutic strategy for enhancing the efficacy of PD-1/PD-L1 blockade therapies. Here, we investigated whether PD-L1 expression in human colorectal adenocarcinoma cells (LS180) is affected by ezrin/radixin/moesin (ERM), functioning as scaffold proteins that crosslink plasma membrane proteins with the actin cytoskeleton. We observed colocalization of PD-L1 with all three ERM proteins in the plasma membrane and detected interactions involving PD-L1, the three ERM proteins, and the actin cytoskeleton. Furthermore, gene silencing of ezrin and radixin, but not of moesin, substantially decreased the expression of PD-L1 on the cell surface without affecting its mRNA level. Thus, in LS180 cells, ezrin and radixin may function as scaffold proteins mediating the plasma membrane localization of PD-L1, possibly by post-translational modification.
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