| pubmed-article:8915970 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:8915970 | lifeskim:mentions | umls-concept:C0034693 | lld:lifeskim |
| pubmed-article:8915970 | lifeskim:mentions | umls-concept:C0022646 | lld:lifeskim |
| pubmed-article:8915970 | lifeskim:mentions | umls-concept:C0023690 | lld:lifeskim |
| pubmed-article:8915970 | lifeskim:mentions | umls-concept:C0027481 | lld:lifeskim |
| pubmed-article:8915970 | lifeskim:mentions | umls-concept:C0683598 | lld:lifeskim |
| pubmed-article:8915970 | lifeskim:mentions | umls-concept:C1880177 | lld:lifeskim |
| pubmed-article:8915970 | lifeskim:mentions | umls-concept:C0205214 | lld:lifeskim |
| pubmed-article:8915970 | lifeskim:mentions | umls-concept:C0441712 | lld:lifeskim |
| pubmed-article:8915970 | pubmed:issue | 10 | lld:pubmed |
| pubmed-article:8915970 | pubmed:dateCreated | 1997-2-26 | lld:pubmed |
| pubmed-article:8915970 | pubmed:abstractText | Blunted volume expansion (VE) natriuresis and renal resistance to atrial natriuretic peptide (ANP) characterize states of pathological sodium retention. This study examined rats 1 to 3 wk after common bile-duct ligation (CBDL), at which time they had hyperbilirubinemia and hypoalbuminemia. Sham-operated normal rats (Sham) showed an increased sodium excretion rate (UNaV) from 1.0 +/- 0.1 to 16.3 +/- 3.9 muEq/min in response to acute VE (iv saline, 2 mL/100 g body wt over 5 min), whereas CBDL rats had a blunted response that was apparent after 1 wk and became maximal at 2 and 3 wk (0.3 +/- 0.1 to 3.2 +/- 0.4 muEq/min at 3 wk, P < 0.01 versus Sham response). The peak urinary cGMP excretion rate (UcGMPV) was also blunted (37.9 +/- 3.6 versus 87.5 +/- 8.3 pmol/min, P < 0.01) despite an even greater increase in plasma ANP concentration (Sham, 9.6 +/- 0.4 pg/mL in hydropenia to 22.8 +/- 2.6 pg/mL after VE; CBDL, 15.3 +/- 2.3 to 41.8 +/- 6.8 pg/mL). ANP-dependent cGMP accumulation by isolated inner medullary collecting duct (IMCD) cells from both Sham and CBDL rat kidneys was dose-dependent; however, at higher concentrations of ANP (> 10(-8) M), accumulation by cells from CBDL rats was significantly blunted, indicating resistance to ANP. Binding of 125I-ANP to IMCD cells was not different in CBDL rats compared with Sham control rats. Renal denervation improved but did not completely reverse the blunted natriuresis, and ANP resistance persisted in IMCD cells from denervated kidneys of CBDL rats. Incubation of IMCD cells with the phosphodiesterase inhibitors isomethylbutylxanthine or Zaprinast (each at 10(-3) M) restored ANP responsiveness in both innervated and denervated kidneys from CBDL rats, and intrarenal infusion of Zaprinast (10 micrograms/min) corrected the blunted increase in UNaV and UcGMPV after VE in rats with CBDL. These results suggest that ANP resistance in a model of abnormal sodium metabolism devoid of intrinsic renal disease may be related to increased activity of phosphodiesterase in renal target cells for ANP as well as to heightened renal nerve activity. | lld:pubmed |
| pubmed-article:8915970 | pubmed:grant | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:8915970 | pubmed:language | eng | lld:pubmed |
| pubmed-article:8915970 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:8915970 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:8915970 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:8915970 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
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| pubmed-article:8915970 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:8915970 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:8915970 | pubmed:month | Oct | lld:pubmed |
| pubmed-article:8915970 | pubmed:issn | 1046-6673 | lld:pubmed |
| pubmed-article:8915970 | pubmed:author | pubmed-author:ChengYY | lld:pubmed |
| pubmed-article:8915970 | pubmed:author | pubmed-author:LO | lld:pubmed |
| pubmed-article:8915970 | pubmed:author | pubmed-author:GardnerD GDG | lld:pubmed |
| pubmed-article:8915970 | pubmed:author | pubmed-author:HumphreysM... | lld:pubmed |
| pubmed-article:8915970 | pubmed:author | pubmed-author:CauJJ | lld:pubmed |
| pubmed-article:8915970 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:8915970 | pubmed:volume | 7 | lld:pubmed |
| pubmed-article:8915970 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:8915970 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:8915970 | pubmed:pagination | 2110-8 | lld:pubmed |
| pubmed-article:8915970 | pubmed:dateRevised | 2007-11-14 | lld:pubmed |
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| pubmed-article:8915970 | pubmed:year | 1996 | lld:pubmed |
| pubmed-article:8915970 | pubmed:articleTitle | Mechanisms contributing to renal resistance to atrial natriuretic peptide in rats with common bile-duct ligation. | lld:pubmed |
| pubmed-article:8915970 | pubmed:affiliation | Division of Nephrology, San Francisco General Hospital, CA, USA. | lld:pubmed |
| pubmed-article:8915970 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:8915970 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
| pubmed-article:8915970 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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| http://linkedlifedata.com/r... | pubmed:referesTo | pubmed-article:8915970 | lld:pubmed |
