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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
7
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pubmed:dateCreated |
1997-12-4
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pubmed:abstractText |
Inhibition of peplomycin (PLM)-induced pulmonary fibrosis by azelastine hydrochloride (Azeptin) was examined using ICR mice, and the effects of both drugs on signal transduction were investigated. Microscopically, Azeptin (a total of 56 mg/kg for 28 days) suppressed pulmonary fibrosis in mice which received an i.p. injection of a total of 60 or 75 mg/kg PLM. In parallel with the microscopic findings, smaller amounts of collagen were synthesized in the lungs of Azeptin-injected mice. PLM enhanced the expression of interleukin-1 beta- and transforming growth factor-beta-mRNA in lungs. In contrast, Azeptin suppressed the expression. Compatible with these in vivo results, Azeptin and PLM contradictively regulated protein tyrosine phosphorylation and c-myc mRNA expression in human gingival and mouse pulmonary fibroblasts. In addition, NF-kappa B was activated by fibroblast treatment with 5 micrograms/ml PLM for 1 h, but intranuclear NF-kappa B was decreased by cell treatment with 10(-5) M Azeptin. From these results, it is concluded that Azeptin inhibits PLM-induced pulmonary fibrosis by antagonizing the up-regulation of signal transduction.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Cytokines,
http://linkedlifedata.com/resource/pubmed/chemical/NF-kappa B,
http://linkedlifedata.com/resource/pubmed/chemical/Peplomycin,
http://linkedlifedata.com/resource/pubmed/chemical/Phthalazines,
http://linkedlifedata.com/resource/pubmed/chemical/Proto-Oncogene Proteins c-myc,
http://linkedlifedata.com/resource/pubmed/chemical/RNA, Messenger,
http://linkedlifedata.com/resource/pubmed/chemical/Tyrosine,
http://linkedlifedata.com/resource/pubmed/chemical/azelastine
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pubmed:status |
MEDLINE
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pubmed:month |
Oct
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pubmed:issn |
0266-9536
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
12
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
577-90
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:9365503-Animals,
pubmed-meshheading:9365503-Cytokines,
pubmed-meshheading:9365503-Humans,
pubmed-meshheading:9365503-Male,
pubmed-meshheading:9365503-Mice,
pubmed-meshheading:9365503-Mice, Inbred ICR,
pubmed-meshheading:9365503-NF-kappa B,
pubmed-meshheading:9365503-Peplomycin,
pubmed-meshheading:9365503-Phosphorylation,
pubmed-meshheading:9365503-Phthalazines,
pubmed-meshheading:9365503-Proto-Oncogene Proteins c-myc,
pubmed-meshheading:9365503-Pulmonary Fibrosis,
pubmed-meshheading:9365503-RNA, Messenger,
pubmed-meshheading:9365503-Signal Transduction,
pubmed-meshheading:9365503-Tyrosine,
pubmed-meshheading:9365503-Up-Regulation
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pubmed:year |
1997
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pubmed:articleTitle |
Azelastine hydrochloride (Azeptin) inhibits peplomycin (PLM)-induced pulmonary fibrosis by contradicting the up-regulation of signal transduction.
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pubmed:affiliation |
Department of Oral Surgery, Kochi Medical School, Japan.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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