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Effect of pain related of sex and estrous cycle on blood plasma glucose, free fatty acids and corticosterone in rats - doi: 10.4025/actascibiolsci.v34i4.10568
Provedor de dados: Acta Scientiarum: Biological Sciences
Autores: Moraes, Elzira Diniz de; Instituto de Ensino Superior de Londrina; Zaia, Cássia Thaís Bussamra Vieira; Universidade Estadual de Londrina; Zaia, Dimas Augusto Morozin; Universidade Estadual de Londrina; Santos, Angelo Alexander Torres dos; Universidade Estadual de Londrina; Ribeiro, Rachel Cezar de Andrade; Universidade Estadual de Londrina; Silva, Andreia Lopes da; Universidade Estadual de Londrina.
Sex differences related with pain have been studied and evidences suggesting influence of sex steroid hormones on the thresholds of pain. Experimental nociception has been test using formalin as a model of nociceptive stimulus. Association of stress, pain and metabolic and hormonal changes has not been explored. The aim of this study was to compare metabolic and hormonal changes between male rats and female rats in proestrus and estrus cycle after painful stimulus by formalin into the masseter muscle. Male and female Wistar rats (200-250 g b.w.) were submitted to an injection of formalin (F, 1.5%) or saline (S, 9.9%) into the masseter muscle and after 0 (N, control group without injection), 5, 15, 30 or 60 minutes they were decapitate and blood was...
Tipo: Estudos fisiológicos
Palavras-chave: 2.00.00.00-6 sex differences; Nociception; Stress; Hormones; Rats 2.07.00.00-8.
Ano: 2012
URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/10568