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  • Title: Dopamine D1 and D2 receptors in spontaneously hypertensive rat brain striatum.
    Author: Watanabe M, Tsuruta S, Inoue Y, Kinuya M, Ogawa K, Mamiya G, Tatsunuma T.
    Journal: Can J Physiol Pharmacol; 1989 Dec; 67(12):1596-7. PubMed ID: 2697462.
    Abstract:
    Since it has been reported that dopamine D2 receptors are elevated in the brain striatum of spontaneously hypertensive (SH) rats, and since both D1 and D2 receptors may interact with one another, we measured the densities of both these receptors in SH rat striatum, as well as those in the normotensive Wistar-Kyoto rat striatum. The D1 receptor density in both strains was virtually the same, 72.9 +/- 2.2 and 71.3 +/- 3.2 pmol/g, respectively (mean +/- SD). The D2 receptor densities were also almost identical, 16.3 +/- 0.6 and 16.8 +/- 1.0 pmol/g, respectively (mean +/- SD). Thus, these data do not support the concept of a dopamine receptor related role in spontaneous hypertension.
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