Title : 5-HT2B-receptor antagonist LY-272015 is antihypertensive in DOCA-salt-hypertensive rats.

Pub. Date : 1999 Mar

PMID : 10070078






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1 5-HT2B-receptor antagonist LY-272015 is antihypertensive in DOCA-salt-hypertensive rats. Desoxycorticosterone Acetate 5-hydroxytryptamine receptor 2B Rattus norvegicus
2 We hypothesized that the 5-HT2B receptor may play a role in maintaining the high blood pressure of DOCA-salt-hypertensive rats, and herein we provide data connecting in vitro and in vivo findings. Desoxycorticosterone Acetate 5-hydroxytryptamine receptor 2B Rattus norvegicus
3 The endothelium-denuded isolated superior mesenteric artery of DOCA-salt rats displayed a marked increase in maximum contraction to the newly available 5-HT2B-receptor agonist BW-723C86 compared with that of arteries from sham rats, confirming that the 5-HT2B receptor plays a greater role in 5-HT-induced contraction in arteries from DOCA-salt rats. Desoxycorticosterone Acetate 5-hydroxytryptamine receptor 2B Rattus norvegicus
4 The endothelium-denuded isolated superior mesenteric artery of DOCA-salt rats displayed a marked increase in maximum contraction to the newly available 5-HT2B-receptor agonist BW-723C86 compared with that of arteries from sham rats, confirming that the 5-HT2B receptor plays a greater role in 5-HT-induced contraction in arteries from DOCA-salt rats. Desoxycorticosterone Acetate 5-hydroxytryptamine receptor 2B Rattus norvegicus
5 These data support the novel hypothesis that 5-HT2B-receptor expression is induced during the development of DOCA-salt hypertension and contributes to the maintenance of severe blood pressure elevations. Desoxycorticosterone Acetate 5-hydroxytryptamine receptor 2B Rattus norvegicus