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Influence of silymarin and chromium picolinate on the pharmacotherapy of rats with induced diabetes
Influencia de silimarina y picolinato de cromo en la farmacoterapia de ratas con diabetes inducida
Influência da silimarina e do picolinato de cromo na farmacoterapia de ratos com diabetes induzida
DOI:
https://doi.org/10.15446/rcciquifa.v49n1.81648Palabras clave:
Blood glucose, glibenclamide, hepatoprotection, streptozotocin, supplement (en)Glucosa en sangre, gliburida, hepatoprotección, estreptozotocina, suplemento (es)
Glicemia, glibenclamida, hepatoproteção, estreptozotocina, suplemento (pt)
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Food supplements are easily acquired and used in various countries. Silymarin has been indicated for diseases of the liver and Chromium picolinate has been indicated for body weight loss and for the improvement of glycemic index. The objective of the present study was to assess the effects of short-term treatment with a combination of silymarin (50 mg/kg) and chromium picolinate (5 µg/kg) on the standard glibenclamide treatment (10 mg/kg) of rats with induced diabetes. DM2 was induced with streptozotocin. Experimental groups of rats: healthy control group, glibenclamide diabetic group, silymarin diabetic group, and silymarin, chromium picolinate and glibenclamide group. After 10 days of oral treatment, we determined body weight, fasting glycemia, glycemia 1 h after gastric gavage with sucrose, and AST and ALT transaminases. Statistical analysis of the data indicated that there was no change in body weight or fasting glycemia, but that glycemia increased after gavage with sucrose in the group submitted to combined therapy. Thus, we concluded that the combination of silymarin and chromium picolinate reduced the efficacy of glibenclamide in the short term, although the two substances had a protective effect on the liver as observed by the reduction of blood transaminase levels.
Suplementos alimentares são de fácil aquisição e uso em diversos países. A silimarina tem sido indicada para desordens hepáticas e o picolinato de cromo tem sido utilizado para perda de peso corporal e melhoria do índice glicêmico. O objetivo deste trabalho foi avaliar os efeitos do tratamento utilizando uma combinação de silimarina (50 mg/kg) e picolinato de cromo (5 µg/kg) sobre o tratamento com glibenclamida (10 mg/kg) em ratos com diabetes induzida com estreptozotocina. Os grupos experimentais foram: grupo controle sadio, grupo diabético glibenclamida, grupo diabético silimarina e grupo diabético silimarina, picolinato de cromo e glibenclamida. Após 10 dias de tratamento via oral, determinou-se o peso corpóreo, glicemia de jejum, glicemia após uma hora de gavagem gástrica com sacarose e transaminases hepáticas. A análise estatística dos dados indicou que não ocorreu alteração significativa no peso corpóreo e na glicemia de jejum, mas ocorreu aumento significativo dos níveis glicêmicos no grupo diabético silimarina, picolinato de cromo e glibenclamida após a gavagem com sacarose no grupo com a terapia combinada. Portanto, conclui-se que a combinação utilizada reduziu a eficácia da glibenclamida em curto prazo, embora ambas substâncias tenham exibido efeito hepatoprotetor, observado pela redução dos níveis plasmáticos de transaminases.
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1. Ahed J Alkhatib. (2021). Chromium in controlling diabetes and metabolic aspects. Advances in Obesity, Weight Management & Control, 11(3), p.86. https://doi.org/10.15406/aowmc.2021.11.00340.
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