Coronaviruses (CoVs), enveloped positive-sense RNA viruses, are a group of viruses that
cause infections in the human respiratory tract, which can be characterized clinically from …

An antioxidant is a substance that, when present at low concentrations compared to those of
an oxidizable substrate, significantly delays or prevents oxidation of that substrate. Many …

Iron is an essential cofactor for important biological activities and biochemical reactions,
including the transport of oxygen via red blood cells and its reduction to water during …

Background Glutathione (GSH) is a ubiquitous, non-protein biothiol in cells. It plays a variety
of roles in detoxification, redox regulation and cellular signaling. Many processes that can …

The transparent vitreous body, which occupies about 80% of the eye's volume, is laden with
numerous enzymatic and non-enzymatic antioxidants that could protect the eye from …

The concentration of a product of lipid peroxidation (malondialdehyde) was determined in
six areas of neocortex of 8 subjects with Alzheimer's disease and 8 control subjects …

Many DNA repair enzyme activities are present in both prokaryotic and eukaryotic
organisms. Among these are DNA exo-and endonucleases and DNA glycosylases which …

The microcirculation is a complex and integrated system, transporting oxygen and nutrients
to the cells. The key component of this system is the endothelium, contributing to the local …

Background Oxidative stress is defined as an imbalance between the production of oxidants
(free radicals or reactive oxygen species) and their eradication by protective mechanisms …

Oxidative Stress in Hepatic Ischemia-Reperfusion Injury: The Role of Antioxidants and Iron
Chelating Compounds Page 1 Current Pharmaceutical Design, 2006, 12, 2875-2890 2875 …