Results: 9

Hipertensión pulmonar: señalización mediada por canales de calcio, dianas farmacológicas presentes y futuras

Rev. méd. Chile; 151 (6), 2023
La hipertensión arterial pulmonar se caracteriza por una presión arterial pulmonar media y resistencia vascular pulmonar elevadas y remodelado patológico de las arterias pulmonares. La entrada de calcio desde el espacio extracelular al intracelular a través de canales dependientes e independientes de...

Cardioprotective effects of pharmacological blockade of the mitochondrial calcium uniporter on myocardial ischemia-reperfusion injury

Acta cir. bras; 35 (3), 2020
Abstract Purpose To evaluate whether the attenuation of mitochondrial Ca2+ overload produced by pharmacological blockade of mitochondrial Ca2+ uniporter (MCU) protects the myocardium against injuries caused by cardiac ischemia and reperfusion (CIR). Methods CIR was induced in adult male Wistar rats (...

Resveratrol reduces store-operated Ca2+ entry and enhances the apoptosis of fibroblast-like synoviocytes in adjuvant arthritis rats model via targeting ORAI1-STIM1 complex

Biol. Res; 52 (), 2019
BACKGROUND: Resveratrol was reported to trigger the apoptosis of fibroblast-like synoviocytes In adjuvant arthritis rats but the subcellular mechanism remains unclear. Since ER stress, mitochondrial dysfunction and oxidative stress were involved in the effects of resveratrol with imbalance of calcium bio...

Involvement of K+ATP and Ca2+ channels in hydrogen sulfide-suppressed ageing of porcine oocytes

Biol. Res; 51 (), 2018
BACKGROUND: Hydrogen sulfide has been shown to improve the quality of oocytes destined for in vitro fertilization. Although hydrogen sulfide is capable of modulating ion channel activity in somatic cells, the role of hydrogen sulfide in gametes and embryos remains unknown. Our observations confirmed the ...

Rimonabant improves metabolic parameters partially attributed to restoration of high voltage-activated Ca2+ channels in skeletal muscle in HFD-fed mice

Braz. j. med. biol. res; 50 (6), 2017
Cannabinoid type 1 receptor (CB1R) inhibition tends to be one of the promising strategies for the treatment of obesity and other related metabolic disorders. Although CB1R inhibition may cause adverse psychiatric effects including depression and anxiety, the investigation of the role of peripheral CB1R o...

Jabuticaba-Induced Endothelium-Independent Vasodilating Effect on Isolated Arteries

Arq. bras. cardiol; 107 (3), 2016
Abstract Background: Despite the important biological effects of jabuticaba, its actions on the cardiovascular system have not been clarified. Objectives: To determine the effects of jabuticaba hydroalcoholic extract (JHE) on vascular smooth muscle (VSM) of isolated arteries. Methods: Endothelium-denu...

Physiological and biochemical characterization of egg extract of black widow spiders to uncover molecular basis of egg toxicity

Biol. Res; 47 (), 2014
BACKGROUND: Black widow spider (L. tredecimguttatus) has toxic components not only in the venomous glands, but also in other parts of the body and its eggs. It is biologically important to investigate the molecular basis of the egg toxicity. RESULTS: In the present work, an aqueous extract was prepared f...

Mecanismo de acción de los anestésicos generales: ¿efecto sobre proteínas de canales iónicos o sobre fosfolípidos de membrana?
Action mechanisms of general anesthetics: effect over ionic channel proteins or over membrane phospholipids?

Rev. chil. anest; 27 (1), 1998

Avances en el tratamiento broncodilatador y anti-inflamatorio del asma bronquial
Advances in bronchodilator and anti-inflamatory treatment of asthma

El asma bronquial es una efección caracterizada por la obstrucción e inflamación del árbol bronquial, lo que explica la cronicidad de la enfermedad y la típica hiperrespuesta de las vías aéreas. Las drogas broncodilatadoras adolecen de ciertas limitaciones, siendo las principales su corta duracci...