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Query: UMLS:C0020538 (
hypertension
)
170,190
document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)
To elucidate the genetic basis of salt-sensitivity in mammalian
hypertension
, we isolated six rat complementary DNAs by functional complementation in yeast. These genes were able to substitute for the salt-tolerant activity of HALI which confers salt tolerance by modulating the cation transport system in yeast. We identified these genes as beta-globin, lambda-crystallin, androgen-regulated protein, mitochondrial cytochrome b, a homologue of infant brain cDNA, and a novel gene, called
salt-tolerant protein
(
STP
).
STP
contains 1964 bp nucleotides and an open reading frame which encodes 496 amino acid residues. Northern blot analysis showed that
STP
mRNA is expressed in various rat tissues.
...
PMID:Molecular cloning of a novel rat salt-tolerant protein by functional complementation in yeast. 895 95
Higher dietary salt intake in humans is associated with higher BP, but the BP response to NaCl, so-called salt sensitivity, is heterogeneous among individuals. It has been postulated that modifications in cellular cation metabolism may be related to salt sensitivity in mammalian
hypertension
. The authors have isolated a novel rat complementary DNA, called
salt-tolerant protein
(
STP
), that can functionally complement Saccharomyces cervisiae HAL1, which improves salt tolerance by modulating the cation transport system. On high-salt (8% NaCl) diets, both Dahl salt-sensitive and salt-resistant rats displayed an elevated BP and increased
STP
mRNA expression. Immunohistochemistry using an anti-rat
STP
antibody demonstrated the presence of
STP
immunoreactivity in the proximal tubules. In cells that transiently expressed
STP
, the intracellular [Na+]/[K+] ratio was higher than that in control cells.
STP
contains predicted coiled-coil and Src homology 3 domains, and shows a partially high degree of nucleotide identity to human thyroid-hormone receptor interacting protein. These results suggest that
STP
may play an important role in salt sensitivity through cellular sodium metabolism by mediating signal transduction and a hormone-dependent transcription mechanism.
...
PMID:Function and expression of a novel rat salt-tolerant protein: evidence of a role in cellular sodium metabolism. 972 64
We have isolated a novel human cDNA coding for human
salt-tolerant protein
(HSTP), that is a homologue of the rat
salt-tolerant protein
(
STP
) and may contribute to salt-induced
hypertension
by modulating renal cation transport. The nucleotide sequence (1988bp) of the HSTP cDNA contains an open reading frame encoding a polypeptide comprising 545 amino acids, two residues fewer than the rat
STP
cDNA. The predicted amino acid sequence exhibits 92% identity to that of the rat protein. HSTP contains predicted coiled-coil domains and Src Homology 3 domain, and shows a high degree of identity to CIP4 (Cdc42 target protein) and human Trip 10 (thyroid-hormone receptor interacting protein). We have mapped the HSTP gene to human chromosome 19 by fluorescence in situ hybridization.
...
PMID:Molecular cloning and chromosomal localization of human salt-tolerant protein. 1129 12