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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Platelet alpha 2-adrenoceptor modifications induced by long-term treatment with indapamide in essential hypertension.

The effect of long-term treatment with indapamide in platelet alpha 2-adrenoceptors has been evaluated in 10 patients with essential hypertension, in a double-blind, cross-over study with placebo. After three months of therapy, indapamide significantly reduced mean blood pressure (from 137 +/- 12 to 116 +/- 6 mm Hg, p less than 0.001), whereas heart rate did not change (from 72 +/- 8 to 73 +/- 7 beats/minute). At the same time, platelet alpha 2-adrenoceptor number increased (from 168.2 +/- 48.4 to 256.8 +/- 14.5 fmol/mg protein, p less than 0.02), whereas the dissociation constant did not change (from 3.79 +/- 2.9 to 4.97 +/- 4.48). The plasma norepinephrine level was significantly reduced after long-term treatment with indapamide (from 275 +/- 118 to 210 +/- 56 pg/ml, p less than 0.02). These results bring about an inhibition of norepinephrine release from sympathetic nerve endings with a likely secondary increase of the number of platelet alpha 2-adrenoceptors.[1]

References

  1. Platelet alpha 2-adrenoceptor modifications induced by long-term treatment with indapamide in essential hypertension. Carretta, R., Fabris, B., Fischetti, F., Muiesan, S., Bardelli, M., Melchior, C., Cesanelli, R., Pizzolitto, A., Giraldi, T., Greco, P.L. Am. J. Med. (1988) [Pubmed]
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