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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
3 Pt 2
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pubmed:dateCreated |
1996-12-5
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pubmed:abstractText |
To investigate the role of the thick ascending limb (TAL) Na(+)-K(+)-2Cl- cotransporter in regulation of water excretion, we have prepared a peptide-derived polyclonal antibody based on the cloned cDNA sequence of the rat type 1 bumetanide-sensitive cotransporter, BSC-1 (also termed "NKCC-2"). Immunoblots revealed a single broad 161-kDa band in membrane fractions of rat renal outer medulla and cortex but not from rat colon or parotid gland. A similar protein was labeled in mouse kidney. Immunoperoxidase immunohistochemistry in rat kidney revealed labeling restricted to the medullary and cortical TAL segments. Because long-term regulation of urinary concentrating ability may depend on regulation of Na(+)-K(+)-2Cl- cotransporter abundance, we used immunoblotting to evaluate the effects of several in vivo factors on expression levels of BSC-1 protein in rat kidney outer medulla. Chronic oral saline loading with 0.16 M NaCl markedly increased BSC-1 abundance. However, long-term vasopressin infusion or thirsting of rats did not affect BSC-1 abundance. Chronic furosemide infusion caused a 9-kDa upward shift in apparent molecular mass and an apparent increase in expression level. These results support the previous identification of BSC-1 as the TAL Na(+)-K(+)-2Cl- transporter and demonstrate that the expression of this transporter is regulated.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Antibodies,
http://linkedlifedata.com/resource/pubmed/chemical/Arginine Vasopressin,
http://linkedlifedata.com/resource/pubmed/chemical/Carrier Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/Furosemide,
http://linkedlifedata.com/resource/pubmed/chemical/Sodium-Potassium-Chloride Symporters
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pubmed:status |
MEDLINE
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pubmed:month |
Sep
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pubmed:issn |
0002-9513
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
271
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
F619-28
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:8853424-Animals,
pubmed-meshheading:8853424-Antibodies,
pubmed-meshheading:8853424-Arginine Vasopressin,
pubmed-meshheading:8853424-Carrier Proteins,
pubmed-meshheading:8853424-Furosemide,
pubmed-meshheading:8853424-Immunoblotting,
pubmed-meshheading:8853424-Immunohistochemistry,
pubmed-meshheading:8853424-Kidney,
pubmed-meshheading:8853424-Mice,
pubmed-meshheading:8853424-Rats,
pubmed-meshheading:8853424-Rats, Brattleboro,
pubmed-meshheading:8853424-Rats, Sprague-Dawley,
pubmed-meshheading:8853424-Sodium-Potassium-Chloride Symporters,
pubmed-meshheading:8853424-Time Factors,
pubmed-meshheading:8853424-Tissue Distribution
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pubmed:year |
1996
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pubmed:articleTitle |
Localization and regulation of the rat renal Na(+)-K(+)-2Cl- cotransporter, BSC-1.
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pubmed:affiliation |
Laboratory of Kidney and Electrolyte Metabolism, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda 20892, USA.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, Non-U.S. Gov't
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