Article ; Online: HPV vaccines induce trained immunity and modulate pro-inflammatory cytokine expression in response to secondary Toll-like receptor stimulations.
2023 Volume 68, Issue 2, Page(s) 65–74
Abstract: Cervical cancer is caused mostly by human papillomavirus (HPV), and several HPV vaccines have been developed to prevent its onset. Vaccines include antigens as well as adjuvants, with adjuvants playing an important role in activating the innate immune ... ...
| Abstract | Cervical cancer is caused mostly by human papillomavirus (HPV), and several HPV vaccines have been developed to prevent its onset. Vaccines include antigens as well as adjuvants, with adjuvants playing an important role in activating the innate immune responses necessary for inducing adaptive immunological responses. Recent research has shown the presence of trained immunity inside the innate immune system. However, trained immunity conferred by HPV vaccinations is not well understood. In this work, we explored the innate immune responses and trained immunity caused by two HPV vaccines, Cervarix and Gardasil. Cervarix includes monophosphoryl lipid A and an aluminum adjuvant, and it significantly increased the expression of IL-6 and IFN-β mRNAs in RAW264.7 cells. On the contrary, Gardasil, which only includes an aluminum adjuvant, exhibited little cytokine expression but increased the expression of TLRs. Furthermore, Cervarix significantly increased IL-1β secretion from mouse macrophages, while Gardasil only mildly induced IL-1β secretion. Interestingly, initial stimulation with Gardasil enhanced the expression of IL-6 and TNF-α mRNAs upon secondary stimulation with TLR ligands, indicating that Gardasil induced trained immunity in macrophages. Moreover, Gardasil injection into mice resulted in enhanced TNF-α production in sera following secondary TLR stimulation. Our findings suggest that HPV vaccinations have the ability to induce trained immunity that modulate TLR ligand responses. |
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| MeSH term(s) | Humans ; Animals ; Mice ; Cytokines ; Human Papillomavirus Recombinant Vaccine Quadrivalent, Types 6, 11, 16, 18 ; Tumor Necrosis Factor-alpha ; Interleukin-6/genetics ; Trained Immunity ; Papillomavirus Infections/prevention & control ; Aluminum ; Papillomavirus Vaccines/genetics ; Adjuvants, Immunologic ; Toll-Like Receptors | |||||
| Chemical Substances | Cytokines ; Human Papillomavirus Recombinant Vaccine Quadrivalent, Types 6, 11, 16, 18 ; Tumor Necrosis Factor-alpha ; Interleukin-6 ; Aluminum (CPD4NFA903) ; Papillomavirus Vaccines ; Adjuvants, Immunologic ; Toll-Like Receptors | |||||
| Language | English | |||||
| Publishing date | 2023-12-17 | |||||
| Publishing country | Australia | |||||
| Document type | Journal Article | |||||
| ZDB-ID | 224792-6 | |||||
| ISSN | 1348-0421 ; 0385-5600 | |||||
| ISSN (online) | 1348-0421 | |||||
| ISSN | 0385-5600 | |||||
| DOI | 10.1111/1348-0421.13108 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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