Prevention of neutrophil protein oxidation with vitamins C and E diet supplementation without affecting the adaptive response to exercise.

The authors studied the effects of antioxidant diet supplementation with an almond-based beverage on neutrophil antioxidants, nitrite, and protein oxidative alterations after exercise. Fourteen trained male amateur runners were randomly assigned in a double-blind fashion to receive antioxidant supplementation (152 mg/d vitamin C and 50 mg/d vitamin E) or placebo using an almond-based beverage for 1 mo and participated in a half-marathon race. Blood samples were taken before and after the half-marathon and after 3 hr recovery.

The double edge of reactive oxygen species as damaging and signaling molecules in HL60 cell culture.

Aims: Our aim was to establish the conditions in which reactive oxygen species produce pathological or hormetic effects on HL60 cells.

Methods: HL60 cells were treated with either single bouts (1, 10 and 100 microM) or a sustained production (0.1, 1.

Radiofrequency catheter ablation of a right free-wall accessory pathway in dextrocardia with complete situs inversus.

An uncommon case of orthodromic atrioventricular reentrant tachycardia in a patient with dextrocardia and complete situs inversus is reported. There was no associated cardiac abnormality apart from the mirror image dextrocardia. An electrophysiological study and successful catheter ablation of a right free-wall concealed accessory pathway was performed.