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Morphology and contractility in cardiomyocytes of rats with low exercise perfor...
Quintão Júnior, Judson Fonseca; Natali, Antônio José; Carneiro Júnior, Miguel Araújo; Castro, Cynthia Aparecida de; Drummond, Lucas RiosAerobic capacity is essential to physical performance, and low aerobic capacity is related to the triggering of various cardiovascular diseases. To compare the morphology and contractility of isolated rat cardiomyocytes with low performance and standard performance for exercise. Wistar rats with 10 weeks of age underwent a protocol of treadmill running to fatigue, and were divided into two groups: Low Performan...
Aqueous leaf extract of Averrhoa carambola L. (Oxalidaceae) reduces both the in...
Vasconcelos, Carla Maria Lins de; Gondim, Antonio Nei Santana; Cruz, Jader dos Santos; Mafra, Roberta Amaral; Silva, Bagnolia Araujo daIt was previously showed that aqueous leaf extract (AqEx) of Averrhoa carambola depresses the guinea pig atrial inotropism. Therefore, experiments were carried out on guinea pig left atrium and on pituitary GH3 cells in order to evaluate the effect of AqEx on the cellular calcium influx. The atrium was mounted in an organ chamber (5 mL, Tyrode, 27 ± 0.1 ºC, 95 % O2, 5 % CO2), stretched to 10 mN, and paced at 2 ...
Basal and β-Adrenergic cardiomyocytes contractility dysfunction induced by diet...
Penitente, Arlete Rita; Novaes, Rômulo Dias; Silva, Marcelo Eustáquio; Silva, Márcia Ferreira da; Quintão Júnior, Judson Fonseca; Guatimosim, SilviaBackground: The mechanisms responsible for the cardiac dysfunction associated with dietary protein restriction (PR) are poorly understood. Thus, this study was designed to evaluate the effects of PR on calcium kinetics, basal and β-adrenergic contractility in murine ventricular cardiomyocytes. Methods: After breastfeeding male Fisher rats were distributed into a control group (CG, n = 20) and a protein-restrict...
Warifteine, a bisbenzylisoquinoline alkaloid, induces relaxation by activating ...
Assis, Ápio Cláudio de Lima; Gonçalves, Islania Giselia Albuquerque; Lima, Renata P. C.; Almeida, Mônica M.; Marinho, Alexsandro FernandesTexto completo. Acesso restrito. p. 37-44; Submitted by Santiago Fabio (fabio.ssantiago@hotmail.com) on 2013-07-08T15:11:55Z No. of bitstreams: 1 99999999999999999.pdf: 419451 bytes, checksum: bacc5f7b601e22fce4b4083185ff6439 (MD5); Approved for entry into archive by Rodrigo Meirelles(rodrigomei@ufba.br) on 2013-07-11T13:29:29Z (GMT) No. of bitstreams: 1 99999999999999999.pdf: 419451 bytes, checksum: bacc5f7b60...