Article: article d'un périodique ou d'un magazine.
Chromosomal mapping of two genetic loci associated with blood-pressure regulation in hereditary hypertensive rats
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Journal Article Research Support, Non-U.S. Gov't --- Old month value: Oct 10
The spontaneously hypertensive rat and the stroke-prone spontaneously hypertensive rat are useful models for human hypertension. In these strains hypertension is a polygenic trait, in which both autosomal and sex-linked genes can influence blood pressure. Linkage studies in crosses between the stroke-prone spontaneously hypertensive rat and the normotensive control strain Wistar-Kyoto have led to the localization of two genes, BP/SP-1 and BP/SP-2, that contribute significantly to blood pressure variation in the F2 population. BP/SP-1 and BP/SP-2 were assigned to rat chromosomes 10 and X, respectively. Comparison of the human and rat genetic maps indicates that BP/SP-1 could reside on human chromosome 17q in a region that also contains the angiotensin I-converting enzyme gene (ACE). This encodes a key enzyme of the renin-angiotensin system, and is therefore a candidate gene in primary hypertension. A rat microsatellite marker of ACE was mapped to rat chromosome 10 within the region containing BP/SP-1.
Animals Base Sequence Chromosome Mapping Hypertension/*genetics Linkage (Genetics) Molecular Sequence Data Peptidyl-Dipeptidase A/genetics Polymerase Chain Reaction Rats Rats, Inbred SHR/genetics Rats, Inbred WKY/genetics Receptors, Cell Surface/genetics Receptors, Nerve Growth Factor Receptors, Somatotropin/genetics X Chromosome
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