| Bacterial superantigen staphylococcal enterotoxin B induces interstitial pneumonia in SCID mice reconstituted with peripheral blood mononuclear cells from collagen vascular disease patients. | |
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MedLine Citation:
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PMID: 10873426 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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To investigate whether superantigens induce interstitial pneumonia associated with collagen vascular disease (CVD), staphylococcal enterotoxin B (SEB) was intratracheally administered to SCID mice reconstituted with peripheral blood mononuclear cells (PBMCs) from CVD patients that suffered lung complications. Although a slight accumulation of inflammatory cells into the perivascular area was seen in the lungs of SCID mice injected with PBMCs from CVD patients or healthy donors, SEB administration significantly increased the severity of inflammation in the lungs of SCID mice that received CVD patient PBMCs. Furthermore, human leukocytes were detected by immunohistochemistry in the lungs of SCID mice that received SEB after reconstitution with PBMCs from CVD patients but not in other groups of SCID mice. CD45RO(+) memory T cells comprised the majority of infiltrating human leukocytes. These results suggest the possibility that external superantigens may induce the development of interstitial pneumonia in patients that have a genetic background predisposition to autoimmune disease. |
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Authors:
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M Fujiki; T Shinbori; M Suga; H Miyakawa; T Mizobe; M Ando |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Clinical immunology (Orlando, Fla.) Volume: 96 ISSN: 1521-6616 ISO Abbreviation: Clin. Immunol. Publication Date: 2000 Jul |
Date Detail:
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Created Date: 2000-08-09 Completed Date: 2000-08-09 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 100883537 Medline TA: Clin Immunol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 38-43 Citation Subset: IM |
Copyright Information:
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Copyright 2000 Academic Press. |
Affiliation:
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First Department of Internal Medicine, Kumamoto University School of Medicine, 1-1-1 Honjo, Kumamoto, 860-0811, Japan. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adoptive Transfer Adult Aged Animals Antibodies, Antinuclear / blood, immunology Collagen Diseases / blood, immunology* Disease Models, Animal Enterotoxins / immunology* Female Humans Immunoglobulin G / blood, immunology Leukocytes, Mononuclear / cytology, immunology* Lung / immunology, pathology Lung Diseases, Interstitial / blood, complications, immunology*, pathology Male Mice Mice, SCID Middle Aged Pneumonia, Staphylococcal / blood, complications, immunology*, pathology Staphylococcus aureus / immunology Superantigens / immunology* |
| Chemical | |
Reg. No./Substance:
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0/Antibodies, Antinuclear; 0/Enterotoxins; 0/Immunoglobulin G; 0/Superantigens; 39424-53-8/enterotoxin B, staphylococcal |
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