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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
1
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pubmed:dateCreated |
1992-8-17
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pubmed:abstractText |
Immunoblotting with a monoclonal antibody against probasin (rat prostatic secretory protein) showed that a 40-kDa protein antigenically related to probasin was localized in rat liver and kidney. The contents of probasin in these organs were negligible. Immunostaining revealed that the 40-kDa protein (probasin-related antigen: PRB-RA) was expressed in the liver parenchymal cells and the kidney urinary tubular epithelial cells in outer stripe. The content of PRB-RA in the kidney was low during 0 to 2 weeks of age, then rapidly increased about 10-fold from 2 to 8 weeks of age. The content in the liver increased about 2-fold during the period, reaching a value of 10-12 ng/micrograms protein, which was ten times higher than that in the kidney. PRB-RA was purified from rat liver by ion-exchange chromatography, gel filtration and fast protein liquid chromatography on a hydroxyapatite column. The purified protein formed insoluble aggregates in the absence of a detergent, and it had a blocked amino terminal. The amino acid sequence of a peptide generated by tryptic digestion of alkylated PRB-RA was determined. Computer analysis showed that there was no protein having a significant homology with the peptide. These results indicate that a novel 40-kDa protein with a structural similarity to probasin is localized in rat liver and kidney, and might bear a function specific to these organs.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Jul
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pubmed:issn |
0006-3002
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
21
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pubmed:volume |
1117
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
47-54
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:1627592-Aging,
pubmed-meshheading:1627592-Alkylation,
pubmed-meshheading:1627592-Androgen-Binding Protein,
pubmed-meshheading:1627592-Animals,
pubmed-meshheading:1627592-Antibodies, Monoclonal,
pubmed-meshheading:1627592-Immunoenzyme Techniques,
pubmed-meshheading:1627592-Kidney Tubules,
pubmed-meshheading:1627592-Liver,
pubmed-meshheading:1627592-Male,
pubmed-meshheading:1627592-Oxidation-Reduction,
pubmed-meshheading:1627592-Rats,
pubmed-meshheading:1627592-Rats, Inbred Strains,
pubmed-meshheading:1627592-Trypsin
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pubmed:year |
1992
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pubmed:articleTitle |
An anti-probasin monoclonal antibody recognizes a novel 40-kDa protein localized in rat liver and a specific region of kidney urinary tubule.
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pubmed:affiliation |
Department of Endocrinology, Kagawa Medical School, Japan.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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