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High-dose radiation-induced immunogenic cell death of bladder cancer cells leads to dendritic cell activation
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High-dose radiation-induced immunogenic cell death of bladder cancer cells leads to dendritic cell activation
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Journal Article
High-dose radiation-induced immunogenic cell death of bladder cancer cells leads to dendritic cell activation
2024
Overview
Radiotherapy is a commonly used method in the treatment of bladder cancers (BC). Radiation-induced immunogenic cell death (ICD) is related to the immune response against cancers and their prognoses. Even though dendritic cells (DC) act as powerful antigen-presenting cells in the body, their precise role in this ICD process remains unclear. Accordingly, an in vitro study was undertaken to ascertain whether high-dose radiation-induced ICD of BC cells could regulate the immune response of DC. The results indicated that high-dose radiation treatments of BC cells significantly increased their levels of apoptosis, blocked their cell cycle in the G 2 /M phase, increased their expression of ICD-related proteins, and upregulated their secretion of CCL5 and CCL21 which control the directed migration of DC. It was also noted that expression of CD80, CD86, CCR5, and CCR7 on DC was upregulated in the medium containing the irradiated cells. In conclusion, the present findings illustrate that high-dose radiation can induce the occurrence of ICD within BC cells, concomitantly resulting in the activation of DC. Such findings could be of great significance in increasing the understanding how radiotherapy of BC may work to bring about reductions in cell activity and how these processes in turn lead to immunoregulation of the function of DC.
Publisher
Public Library of Science,Public Library of Science (PLoS)
Subject
/ Apoptosis - radiation effects
/ Bladder
/ Cancer
/ Cell Movement - radiation effects
/ Chemokine CCL21 - metabolism
/ Dendritic Cells - immunology
/ Dendritic Cells - radiation effects
/ Dose-Response Relationship, Radiation
/ Genes
/ Humans
/ Immunogenic Cell Death - radiation effects
/ Medicine and Health Sciences
/ Receptors, CCR5 - metabolism
/ Receptors, CCR7 - metabolism
/ Urinary Bladder Neoplasms - immunology
