Tumor-derived interleukin-1 receptor antagonist exhibits immunosuppressive functions and promotes pancreatic cancer.
IFN-γ
Immunosuppression
Pancreatic adenocarcinoma
Patient-derived xenograft
Tumor microenvironment
interleukin-1 receptor antagonist
Journal
Cell & bioscience
ISSN: 2045-3701
Titre abrégé: Cell Biosci
Pays: England
ID NLM: 101561195
Informations de publication
Date de publication:
10 Aug 2023
10 Aug 2023
Historique:
received:
21
04
2023
accepted:
19
07
2023
medline:
11
8
2023
pubmed:
11
8
2023
entrez:
10
8
2023
Statut:
epublish
Résumé
Pancreatic ductal adenocarcinoma (PDA) is a pernicious disease characterized by an immunosuppressive milieu that is unresponsive to current immunotherapies. Interleukin-1 receptor antagonist (IL-1Ra) is a natural anti-inflammatory cytokine; however, its contribution to cancer pathogenesis and immunosuppression remains elusive. In this research, we investigated the role and mechanism of IL-1Ra in malignant progression of PDA. Through analyzing clinical dataset and examining the pathological tumor tissues and serum samples, we have demonstrated that IL-1Ra expression is elevated in human PDA and positively associated with malignant progression of PDA. To study the biological function of IL-1Ra in tumors, we generated a set of mouse pancreatic cancer cell lines with a knockout (KO) of the Il1rn gene, encoding IL-1Ra, and compared the tumor growth rates in immune-competent and immune-deficient mice. We found that the Il1rn KO cells exhibited greater tumor inhibition in immune-competent mice, highlighting the crucial role of a functional immune system in Il1rn KO-mediated anti-tumor response. Consistently, we found an increase in CD8 Our findings illustrate the immunosuppressive properties of the natural anti-inflammatory cytokine IL-1Ra, and provide a rationale for considering IL-1Ra-targeted therapies in the treatment of PDA.
Sections du résumé
BACKGROUND
BACKGROUND
Pancreatic ductal adenocarcinoma (PDA) is a pernicious disease characterized by an immunosuppressive milieu that is unresponsive to current immunotherapies. Interleukin-1 receptor antagonist (IL-1Ra) is a natural anti-inflammatory cytokine; however, its contribution to cancer pathogenesis and immunosuppression remains elusive. In this research, we investigated the role and mechanism of IL-1Ra in malignant progression of PDA.
RESULTS
RESULTS
Through analyzing clinical dataset and examining the pathological tumor tissues and serum samples, we have demonstrated that IL-1Ra expression is elevated in human PDA and positively associated with malignant progression of PDA. To study the biological function of IL-1Ra in tumors, we generated a set of mouse pancreatic cancer cell lines with a knockout (KO) of the Il1rn gene, encoding IL-1Ra, and compared the tumor growth rates in immune-competent and immune-deficient mice. We found that the Il1rn KO cells exhibited greater tumor inhibition in immune-competent mice, highlighting the crucial role of a functional immune system in Il1rn KO-mediated anti-tumor response. Consistently, we found an increase in CD8
CONCLUSIONS
CONCLUSIONS
Our findings illustrate the immunosuppressive properties of the natural anti-inflammatory cytokine IL-1Ra, and provide a rationale for considering IL-1Ra-targeted therapies in the treatment of PDA.
Identifiants
pubmed: 37563620
doi: 10.1186/s13578-023-01090-8
pii: 10.1186/s13578-023-01090-8
pmc: PMC10416534
doi:
Types de publication
Journal Article
Langues
eng
Pagination
147Subventions
Organisme : Ministry of Science and Technology, Taiwan
ID : MOST109-2314-B-001-002-MY3
Organisme : Ministry of Science and Technology, Taiwan
ID : MOST 109-2314-B-0001-008-MY3
Organisme : Ministry of Science and Technology, Taiwan
ID : MOST 110-2314-B-038-135-MY3
Organisme : Academia Sinica
ID : AS-KPQ-111-KNT
Organisme : Academia Sinica
ID : AS-GC-110-05
Informations de copyright
© 2023. Society of Chinese Bioscientists in America (SCBA).
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