Selected antioxidative enzyme activities in patients with diabetes mellitus type 2

Background: Chronic hyperglycaemia is considered to be the main reason of diabetes complications. In the prolonged increased glucose concentration the increased generation of reactive oxygen species (ROS) occurs, as well...

Effect of dietary omega-3 fatty acid deficiency on heart rate variability in hooded rats

Introduction: Recent reports in adult humans suggest that heart rate variability is modulated by the concentration of omega-3 polyunsaturated fatty acids (PUFA) contained in blood cell membranes. Material and methods:...

Low output syndrome following aortic valve replacement. Predictors and prognosis

Introduction: Low output syndrome (LOS) is a dangerous postoperative complication, which significantly worsens the prognosis; it is an essential risk factor of postoperative death. The aim of the study was to analyze the...

Antioxidative potential of black tea polyphenols in vitro and protective effects in vivo on mitochondrialredox status during experimental oral carcinogenesis

Why the mother’s immune system does not reject her fetus