Differential sodium regulation between salt-sensitive and salt-resistant Sabra rats is not due to any mutation in the renal alpha 2B-adrenoceptor gene.

Abstract excerpt

A defect in sodium modulation of density and agonist affinity of renal alpha 2-adrenoceptor exists in normotensive salt-resistant Sabra (SBN) rats when compared to hypertensive salt-sensitive (SBH). A highly conserved aspartic acid residue in the second helix has been implicated in sodium regulation of alpha 2-adrenoceptor-ligand interactions. As the alpha 2B-adrenoceptor subtype is preponderantly present in...

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