Abstract:
:The gram-positive bacterium Streptococcus gordonii was engineered to express the microbicidal molecule H6, which is an antiidiotypic single chain antibody mimicking a yeast killer toxin. S. gordonii is a human commensal which we developed as a model system for mucosal delivery of heterologous proteins. The in vivo candidacidal activity of both H6-secreting and H6-surface-displaying streptococcal strains were assayed in a well-established rat model of vaginal candidiasis. At day 21 full clearance of Candida albicans infection was observed in 75% of animals treated with the H6-secreting strain, and in 37.5% of animals treated with the strain expressing H6 on the surface, while all animals treated with the control strain were still infected. The observed candidacidal effect was comparable with that observed with the antimycotic drug fluconazole. These data confirm the potential of H6 as a candidacidal agent and show how promising is the approach of using recombinant bacteria for mucosal delivery of biologically active molecules.
journal_name
Int Rev Immunoljournal_title
International reviews of immunologyauthors
Oggioni MR,Beninati C,Boccanera M,Medaglini D,Spinosa MR,Maggi T,Conti S,Magliani W,De Bernardis F,Teti G,Cassone A,Pozzi G,Polonelli Ldoi
10.3109/08830180109043039subject
Has Abstractpub_date
2001-01-01 00:00:00pages
275-87issue
2eissn
0883-0185issn
1563-5244journal_volume
20pub_type
杂志文章,评审abstract::Tec family kinases are the second largest family of non-receptor tyrosine kinases, of critical importance to the biology of cells derived from the bone marrow. Significant progress in this area during the last decade revealed a role for several of these kinases in inflammatory and oncologic disorders. This led to the ...
journal_title:International reviews of immunology
pub_type: 社论
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abstract::The tolerogenic phenotype of human dendritic cells is characterized by high cell surface expression of the inhibitory receptor ILT3. ILT3 signals both intracellularly inhibiting tyrosine phosphorylation, NF-kappaB and MAPK p38 activity, transcription of certain co-stimulatory molecules, secretion of cytokines and chem...
journal_title:International reviews of immunology
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abstract::Sperm protein 17 belongs to the cancer/testis antigen family and was found to play a key role in the cell fusion process between the mammalian spermatozoa and egg. Sperm protein 17-specific autoantibodies in vasectomized males suggest its high expression in the testis. Sperm protein 17 expression levels are low or abs...
journal_title:International reviews of immunology
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journal_title:International reviews of immunology
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journal_title:International reviews of immunology
pub_type: 杂志文章,评审
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journal_title:International reviews of immunology
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journal_title:International reviews of immunology
pub_type: 杂志文章,评审
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journal_title:International reviews of immunology
pub_type: 杂志文章,评审
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journal_title:International reviews of immunology
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journal_title:International reviews of immunology
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journal_title:International reviews of immunology
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journal_title:International reviews of immunology
pub_type: 杂志文章,评审
doi:10.3109/08830189909088497
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journal_title:International reviews of immunology
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journal_title:International reviews of immunology
pub_type: 杂志文章,评审
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journal_title:International reviews of immunology
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journal_title:International reviews of immunology
pub_type: 杂志文章,评审
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journal_title:International reviews of immunology
pub_type: 杂志文章,评审
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journal_title:International reviews of immunology
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abstract::Type I collagen, the most abundant protein of the body, is preferentially synthesized in bone, dermis, and tendons by two cell types, the osteoblast and the fibroblast. The expression of type I collagen is increased in the various forms of fibrosis such as lung, liver, bone marrow fibrosis and scleroderma. Type I coll...
journal_title:International reviews of immunology
pub_type: 杂志文章,评审
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更新日期:1995-01-01 00:00:00
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journal_title:International reviews of immunology
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