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Expression profile of endothelin receptors (ETA and ETB) and microRNAs-155 and -199 in the corpus cavernosum of rats submitted to chronic alcoholism and diabetes mellitus BJMBR
Gonçalves,F.Z.; Lizarte Neto,F.S.; Novais,P.C.; Gattas,D.; Lourenço,L.G.; de Carvalho,C.A.M.; Tirapelli,D.P.C.; Molina,C.A.F.; Tirapelli,L.F.; Tucci Jr,S..
Recent evidence shows that chronic ethanol consumption increases endothelin (ET)-1 induced sustained contraction of trabecular smooth muscle cells of the corpora cavernosa in corpus cavernosum of rats by a mechanism that involves increased expression of ETA and ETB receptors. Our goal was to evaluate the effects of alcohol and diabetes and their relationship to miRNA-155, miRNA-199 and endothelin receptors in the corpus cavernosum and blood of rats submitted to the experimental model of diabetes mellitus and chronic alcoholism. Forty-eight male Wistar rats were divided into four groups: control (C), alcoholic (A), diabetic (D), and alcoholic-diabetic (AD). Samples of the corpus cavernosum were prepared to study the protein expression of endothelin...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Alcoholism; Corpus cavernosum; MiRNAs; Endothelin receptors.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2018000300615
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Gender differences in vascular expression of endothelin and ET A/ET B receptors, but not in calcium handling mechanisms, in deoxycorticosterone acetate-salt hypertension BJMBR
David,F.L.; Montezano,A.C.I.; Rebouças,N.A.; Nigro,D.; Fortes,Z.B.; Carvalho,M.H.C.; Tostes,R.C.A..
We determined if the increased vascular responsiveness to endothelin-1 (ET-1) observed in male, but not in female, DOCA-salt rats is associated with differential vascular mRNA expression of ET-1 and/or ET A/ET B receptors or with functional differences in Ca2+ handling mechanisms by vascular myocytes. Uninephrectomized male and female Wistar rats received DOCA and drinking water containing NaCl/KCl. Control rats received vehicle and tap water. Blood pressure and contractile responses of endothelium-denuded aortic rings to agents which induce Ca2+ influx and/or its release from internal stores were measured using standard procedures. Expression of mRNA for ET-1 and ET A/ET B receptors was evaluated by RT-PCR after isolation of total cell RNA from both aorta...
Tipo: Info:eu-repo/semantics/article Palavras-chave: DOCA-salt hypertension; Endothelin-1; Gender; Endothelin receptors; Calcium; Rats.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2002000900006
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