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PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
1984-8-23
pubmed:abstractText
The relationship between the kidney and genetic hypertension has been assessed in light of the changes seen in some kidney and cell functions during the phases preceding and accompanying the development of "genetic" types of hypertension in rats and humans. Comparison of the kidney function of normotensive subjects likely to develop hypertension with that of matched controls resistant to hypertension showed, in the former, a higher glomerular filtration rate (GFR), greater tubular reabsorption, larger 24-h urinary output, larger fraction of cardiac output to the kidney, and lower plasma renin activity. After the transplantation of a kidney from a subject in the hypertension-prone group, recipients had higher blood pressure and required more antihypertensive therapy than recipients of kidneys from the hypertension-resistant group. In humans this finding is not as clear as in rats. During the development of hypertension most of these differences in kidney function in the two groups of subjects tend to disappear. The changes in cell function, measured particularly in rats, were consistent with the organ function changes. Cell volume and sodium content were lower, while the transport rate across the cell membrane was faster in proximal tubular cells of rats with genetic hypertension than in the appropriate controls. This is in keeping with the concept of a primary increase in proximal tubular reabsorption leading, on the one hand, to an increase in GFR and renal blood flow and a decrease in renin and, on the other, to an increase in blood pressure.(ABSTRACT TRUNCATED AT 250 WORDS)
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:issn
0160-2446
pubmed:author
pubmed:issnType
Print
pubmed:volume
6 Suppl 1
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
S162-70
pubmed:dateRevised
2004-11-17
pubmed:meshHeading
pubmed:year
1984
pubmed:articleTitle
Genetic hypertension and the kidney.
pubmed:publicationType
Journal Article