Interleukin-33 (IL-33) is an epithelial-derived cytokine that can be released upon tissue damage, stress, or infection, acting as an alarmin for the immune system. IL-33 has long been studied in the context of Th2-related immunopathologies, such as allergic diseases and parasitic infections. However, its capacity to stimulate also Th1-type of immune responses is now well established. IL-33 binds to its specific receptor ST2 expressed by most immune cell populations, modulating a variety of responses. In cancer immunity, IL-33 can display both pro-tumoral and anti-tumoral functions, depending on the specific microenvironment. Recent findings indicate that IL-33 can effectively stimulate immune effector cells (NK and CD8+ T cells), eosinophils, basophils and type 2 innate lymphoid cells (ILC2) promoting direct and indirect anti-tumoral activities. In this review, we summarize the most recent advances on anti-tumor immune mechanisms operated by IL-33, including the modulation of immune checkpoint molecules, with the aim to understand its potential as a therapeutic target in cancer.

Anti-Tumorigenic Activities of IL-33: A Mechanistic Insight / Andreone, S.; Gambardella, A. R.; Mancini, J.; Loffredo, S.; Marcella, S.; La Sorsa, V.; Varricchi, G.; Schiavoni, G.; Mattei, F.. - In: FRONTIERS IN IMMUNOLOGY. - ISSN 1664-3224. - 11:(2020), p. 571593. [10.3389/fimmu.2020.571593]

Anti-Tumorigenic Activities of IL-33: A Mechanistic Insight

Gambardella A. R.;Loffredo S.;Marcella S.;Varricchi G.;
2020

Abstract

Interleukin-33 (IL-33) is an epithelial-derived cytokine that can be released upon tissue damage, stress, or infection, acting as an alarmin for the immune system. IL-33 has long been studied in the context of Th2-related immunopathologies, such as allergic diseases and parasitic infections. However, its capacity to stimulate also Th1-type of immune responses is now well established. IL-33 binds to its specific receptor ST2 expressed by most immune cell populations, modulating a variety of responses. In cancer immunity, IL-33 can display both pro-tumoral and anti-tumoral functions, depending on the specific microenvironment. Recent findings indicate that IL-33 can effectively stimulate immune effector cells (NK and CD8+ T cells), eosinophils, basophils and type 2 innate lymphoid cells (ILC2) promoting direct and indirect anti-tumoral activities. In this review, we summarize the most recent advances on anti-tumor immune mechanisms operated by IL-33, including the modulation of immune checkpoint molecules, with the aim to understand its potential as a therapeutic target in cancer.
2020
Anti-Tumorigenic Activities of IL-33: A Mechanistic Insight / Andreone, S.; Gambardella, A. R.; Mancini, J.; Loffredo, S.; Marcella, S.; La Sorsa, V.; Varricchi, G.; Schiavoni, G.; Mattei, F.. - In: FRONTIERS IN IMMUNOLOGY. - ISSN 1664-3224. - 11:(2020), p. 571593. [10.3389/fimmu.2020.571593]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11588/829731
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