Introduction: Free radicals are reactive oxygen species that constantly circulate through the
body and occur as a side effect of many reactions that take place in the human body. Under …

Pathogenesis of the novel coronavirus infection COVID-19 is the subject of active research
around the world. COVID-19 caused by the SARS-CoV-2 is a complex disease in which …

Oxidative stress caused by the production of reactive oxygen species (ROS) plays a major
role in inflammatory processes. We hypothesized that modulation of ROS via quercetin may …

Oxidative stress is now recognized as a major predisposing factor in the pathogenesis of
COPD. Existing therapies for COPD are ineffective at halting disease progression, with …

Detailed studies in the past two decades have shown that redox active metals like iron (Fe),
copper (Cu), chromium (Cr), cobalt (Co) and other metals undergo redox cycling reactions …

Inflammation is intimately related to the pathogenesis of numerous acute and chronic
diseases like cardiovascular disease, inflammatory bowel disease, rheumatoid arthritis, and …

Coronaviruses can cause serious respiratory tract infections and may also impact other end
organs such as the central nervous system, the lung and the heart. The coronavirus disease …

Coronavirus disease (COVID‐19) caused by the novel coronavirus (SARS‐CoV‐2) has
rapidly spread across the globe affecting 213 countries or territories with greater than six …

Background: The respiratory health effects of inhalation exposure to e-cigarette flavoring
chemicals are not well understood. We focused our study on the immuno-toxicological and …

Reactive oxygen species (ROS) are products of normal cellular metabolism and are known
to act as second messengers. Under physiological conditions, ROS participate in …