Abstract:
:A low-virulence, agerminative strain of Candida albicans (PCA-2) is able to confer a high degree of nonspecific protection against subsequent challenge with highly virulent microorganisms in mice. In an attempt to better define the effect of PCA-2 vaccination on the immune system and the nature of the mechanisms involved in this protective state, we evaluated the pattern and kinetics of production of selected cytokines in PCA-2-treated mice. Thus, granulocyte/monocyte colony-stimulating factor (GM-CSF), tumor necrosis factor-alpha (TNF-alpha), interferon-gamma (IFN-gamma), and interleukin 1 (IL-1) were measured in the sera and spleen cell supernatants of vaccinated mice. In both cases, high levels of CSF, TNF, IL-1, and IFN were found 6 hr after PCA-2 infection and persisted for many days. There was always a correlation between the ability of PCA-2 to induce antimicrobial protection in vivo and its ability to cause cytokine production in vitro. Supernatants of splenocyte cultures from PCA-2-infected animals possessed macrophage-activating activity, as measured in microbiological assays. These data suggest an important involvement of cytokines in the nonspecific anti-infectious immunity induced by PCA-2, and also suggest a crucial role for IL-1 as an endogenous adjuvant in the initiation of the immune response to PCA-2.
journal_name
Cell Immunoljournal_title
Cellular immunologyauthors
Vecchiarelli A,Cenci E,Puliti M,Blasi E,Puccetti P,Cassone A,Bistoni Fdoi
10.1016/0008-8749(89)90135-4subject
Has Abstractpub_date
1989-12-01 00:00:00pages
334-44issue
2eissn
0008-8749issn
1090-2163pii
0008-8749(89)90135-4journal_volume
124pub_type
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journal_title:Cellular immunology
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journal_title:Cellular immunology
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journal_title:Cellular immunology
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journal_title:Cellular immunology
pub_type: 杂志文章
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journal_title:Cellular immunology
pub_type: 杂志文章
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更新日期:1993-10-01 00:00:00
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journal_title:Cellular immunology
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journal_title:Cellular immunology
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journal_title:Cellular immunology
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journal_title:Cellular immunology
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journal_title:Cellular immunology
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journal_title:Cellular immunology
pub_type: 杂志文章
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