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- W2949483792 abstract "Background: Invasive aspergillosis is a common cause of life-threatening infection in immunocompromised patients, especially those who require aggressive immunosuppressive treatment, as Aspergillus fumigatus is the most common pathogen. Despite advances in early diagnosis and new antifungal agents, the majority of cases still associated with high morbidity and unacceptable mortality. The reconstitution of specific immunity against A. fumigatus during periods of severe immunosuppression has the potential to impact enormously on the health and well being of patients. Aims: To screened the amino acid sequences of A. fumigatus recombinant protein ASP f16 by bioinformation software and determine the potential CTL epitopes processed and presented by mature DCs to prime specific CTL cells. Methods: We confirmed the killing ability of Asp f16 peptides specific CTLs against A. fumigatus by conidiacidal and hyphae killing assays, which indicated that CTLs culture supernatant contains substances that killed fresh A. fumigatus conidia and CTLs have killing activity directly against the hyphae in vitro. In our study, we also accessed the evaluation of the protection against A. fumigatus in vivo by adoptive transfer peptides specific CTLs to an invasive aspergillosis model of HLA A0201 transgenic mouse. Results: The results demonstrated the adoptive transfer of ASP f16 peptides specific CTLs significantly altered the course of the Aspergillus infection, as indicated by statistical significantly extended survival hours after the infection and reduced fungal burden in the lung tissue, as opposed to mice not receiving T cells or receiving nonrelated peptides (NPM1) specific T cells, which all died faster with extensive fungal growth. Summary/Conclusion: Generate Asp f16 specific CTL clones in vitro and adoptive transfer to the recipients when they’re susceptive to or involved in IA, will be a promising potential option to protect the recipients against the fatal fungal infection." @default.
- W2949483792 created "2019-06-27" @default.
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- W2949483792 date "2019-06-01" @default.
- W2949483792 modified "2023-09-26" @default.
- W2949483792 title "PF443 ADOPTIVE IMMUNOTHERAPY OF INVASIVE ASPERGILLOSIS BY T CELLS VACCINES AGAINST ASPERGILLOSIS IN MOUSE MODEL" @default.
- W2949483792 doi "https://doi.org/10.1097/01.hs9.0000559984.59537.79" @default.
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