نتایج جستجو برای: protein carbonylation
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OBJECTIVES. Inhaled nitric oxide treatment for ventilated premature infants improves survival without bronchopulmonary dysplasia. However, there has been no information regarding possible effects of this therapy on oxidative stress. We hypothesized that inhaled nitric oxide therapy would not influence concentrations of plasma biomarkers of oxidative stress. PATIENTS AND METHODS.As part of the N...
Abstract Introduction Resistance exercise (RE) provides several benefits for healthy individuals. However, its effects during heart failure are unclear. The aim of this study was to evaluate the RE on functional capacity, cardiac remodeling, and soleus muscle molecular biochemical features in rats with myocardial infarction (MI). Methods Three months after MI or simulated surgery (Sham), Wistar...
Cell physiology is impaired before protein aggregation and this may be more relevant than inclusions themselves for neurodegeneration. The present study aimed to characterize an animal model to enable the analysis of the cell biology before and after protein aggregation. Ten-month-old Lewis rats were exposed either to 1 or 2 mg/kg/day of rotenone, delivered subcutaneously through mini-pumps, fo...
Reactive oxygen species (ROS) have been recognized as second messengers, however, targeting mechanisms for ROS in cell signaling have not been defined. While ROS oxidizing protein cysteine thiols has been the most popular proposed mechanism, our laboratory proposed that ligand/receptor-mediated cell signaling involves protein carbonylation. Peroxiredoxin-6 (Prx6) is one protein that is carbonyl...
Protein carbonyls were studied in aging and exercise by immunoblot followed by one- or two-dimensional polyacrylamide gel electrophoresis using antibodies against 2,4-dinitrophenylhydrazones. Proteins of rat kidneys exhibited significant age-related increase in the amount of carbonyl while those of the brain and liver did not. Major carbonylated proteins in the kidney included serum albumin. In...
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