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Rogério Faustino Ribeiro Júnior

Researcher at Universidade Federal do Espírito Santo

Publications -  17
Citations -  337

Rogério Faustino Ribeiro Júnior is an academic researcher from Universidade Federal do Espírito Santo. The author has contributed to research in topics: Phenylephrine & Blood pressure. The author has an hindex of 9, co-authored 17 publications receiving 282 citations.

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Acute lead exposure increases arterial pressure: role of the renin-angiotensin system.

TL;DR: Acute exposure to lead below the reference blood concentration increases systolic arterial pressure by increasing angiotensin II levels due to ACE activation, and offers further evidence that acute exposure tolead can trigger early mechanisms of hypertension development and might be an environmental risk factor for cardiovascular disease.
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Low-level lead exposure increases systolic arterial pressure and endothelium-derived vasodilator factors in rat aortas.

TL;DR: The results suggest that on initial stages of lead exposure, increased SBP is caused by the increase in plasma ACE activity, and this effect is accompanied by increased p-eNOS, iNOS protein expression and Na+/K+-ATPase functional activity.
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Low Mercury Concentration Produces Vasoconstriction, Decreases Nitric Oxide Bioavailability and Increases Oxidative Stress in Rat Conductance Artery

TL;DR: Investigating the acute effects of 6 nM HgCl2 on endothelial function of aortic rings suggests that acute low concentration mercury exposure, occurring time to time could induce vascular injury due to endothelial oxidative stress and contributing to increase peripheral resistance, being a high risk factor for public health.
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Myocardial contractility is preserved early but reduced late after ovariectomy in young female rats.

TL;DR: It is demonstrated that myocardial contractility and expression of key Ca2+ handling proteins were preserved in the early phase and reduced at long-term during OSHs deprivation.
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Exposure to low mercury concentration in vivo impairs myocardial contractile function.

TL;DR: In isolated hearts mercury treatment promoted contractility dysfunction as a result of the decreased NKA activity, reduction of NCX and SERCA and increased PLB protein expression, offering further evidence that mercury chronic exposure, even at small concentrations, is an environmental risk factor affecting heart function.