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rdf:type | |
lifeskim:mentions | |
pubmed:dateCreated |
1997-9-23
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pubmed:abstractText |
Pulmonary surfactant is synthesized and secreted by alveolar type II cells. The major components of surfactant are phospholipids and four distinct surfactant-specific proteins: SP-A, SP-B, SP-C, and SP-D. The concentrations of SP-D and SP-A were measured in sera of patients with idiopathic interstitial pneumonia (IIP), by enzyme-linked immunosorbent assay with monoclonal antibodies against human SP-D and SP-A. The concentrations of SP-D and SP-A in samples from the patients were, respectively, 5.7 and 2.8 times higher than those in samples from healthy volunteers; 86.2% and 71.4% of the patients had concentrations of SP-D and SP-A, respectively, that were more than 2 standard deviations greater than the mean of the control values. Moreover, the serum SP-D and SP-A concentrations appeared to reflect the disease activity of IIP. There was a negative significant correlation between the concentrations of SP-A in serum and in bronchoalveolar lavage fluid. These results suggest that SP-D and SP-A, which are primarily secreted from alveolar type II cells into the alveolar lumen, can enter the bloodstream easily due to injury at the alveolar-capillary membrane. We conclude that measurement of SP-D and SP-A in sera can provide an easily identifiable and useful clinical marker for the diagnosis of IIP, and can be used to predict the disease activity of IIP.
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pubmed:language |
jpn
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Biological Markers,
http://linkedlifedata.com/resource/pubmed/chemical/Glycoproteins,
http://linkedlifedata.com/resource/pubmed/chemical/Proteolipids,
http://linkedlifedata.com/resource/pubmed/chemical/Pulmonary Surfactant-Associated...,
http://linkedlifedata.com/resource/pubmed/chemical/Pulmonary Surfactant-Associated...,
http://linkedlifedata.com/resource/pubmed/chemical/Pulmonary Surfactant-Associated...,
http://linkedlifedata.com/resource/pubmed/chemical/Pulmonary Surfactants
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pubmed:status |
MEDLINE
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pubmed:month |
Dec
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pubmed:issn |
0301-1542
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
34 Suppl
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
181-5
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:9216212-Biological Markers,
pubmed-meshheading:9216212-Enzyme-Linked Immunosorbent Assay,
pubmed-meshheading:9216212-Glycoproteins,
pubmed-meshheading:9216212-Humans,
pubmed-meshheading:9216212-Lung Diseases, Interstitial,
pubmed-meshheading:9216212-Proteolipids,
pubmed-meshheading:9216212-Pulmonary Surfactant-Associated Protein A,
pubmed-meshheading:9216212-Pulmonary Surfactant-Associated Protein D,
pubmed-meshheading:9216212-Pulmonary Surfactant-Associated Proteins,
pubmed-meshheading:9216212-Pulmonary Surfactants
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pubmed:year |
1996
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pubmed:articleTitle |
[Clinical significance of serum surfactant proteins A and D in idiopathic interstitial pneumonia].
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pubmed:affiliation |
Third Department of Internal Medicine, Sapporo Medical University School of Medicine, Japan.
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pubmed:publicationType |
Journal Article,
English Abstract
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