alexa Antihypertensive profile of 2-thienyl-3,4-methylenedioxybenzoylhydrazone is mediated by activation of the A2A adenosine receptor.
Psychiatry

Psychiatry

Journal of Addiction Research & Therapy

Author(s): Leal CM, Pereira SL, Kmmerle AE, Leal DM, Tesch R,

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Abstract Several N-acylhydrazone derivatives synthesized from safrole have been found to promote intense vasodilation and antihypertensive activity. The present work describes the synthesis and antihypertensive profile of 2-thienyl-3,4-methylenedioxybenzoylhydrazone (LASSBio-1027), a new analogue of the lead compound 3,4-methylenedioxybenzoyl-2-thienylhydrazone. Thoracic aortas from Wistar-Kyoto (WKY) rats and spontaneously hypertensive rats (SHR) were prepared for isometric tension recording. Noninvasive blood pressure measurements were made during 14 days of intraperitoneal (10 mg/kg) or oral (20 mg/kg) administration of LASSBio-1027. LASSBio-1027 exhibited partially endothelium-dependent vasorelaxant activity, which was attenuated in the presence of l-NAME, glibenclamide, or ZM 241385. LASSBio-1027 exhibited an antihypertensive effect in SHR during 14 days of intraperitoneal or oral administration, but did not induce a hypotensive effect in normotensive WKY rats. LASSBio-1027-induced vascular relaxation of aortas from WKY rats was mediated by the activation of A(2A) adenosine receptors. Docking studies and binding assays suggested that LASSBio-1027 has affinity for A(2A) and A(3) adenosine receptors. This new N-acylhydrazone derivative represents a potential strategy for the treatment of arterial hypertension. Copyright © 2012 Elsevier Masson SAS. All rights reserved. This article was published in Eur J Med Chem and referenced in Journal of Addiction Research & Therapy

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