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Abstract

Oxidative Cascade Prognosis, Antioxidants and Selected Trace Elements in COVID-19

COVID-19 pandemic has now become a challenging global public health concern, having higher risk of developing fatal respiratory disease due to severe inflammatory responses associated with the virus-mediated oxidative stress. The respiratory system is most preferred target organ for this novel virus as the lung is well oxygenated and having large surface area available to the virus for exposure and successively augmenting the health complications. Oxidative stress (OS) is an important factor causing metabolic and physiological alteration and various disease augmentations within the body. Respiratory viral infection has general consociation with cytokine production, inflammation, cell death and other pathophysiological processes which may be the result of perturbed redox balance. Apart from this, the presence of conditions likes aging, diabetes and hypertension and chronic obstructive pulmonary disease (COPD) are the risk factor for making severity of such infection outcome. It has been well established that an overproduction of reactive oxygen species (ROS) and antioxidant mechanisms deprivation are vital step for viral replica production and consequent release of pro-inflammatory cytokines are also an important factor of the innate immune responses to the pathogens that may results into acute lung damage. Additionally ROS can damage various vital biological molecules and inactivation of essential enzymes. Oxidative stress is an important factor causing metabolic and other pathophysiological alterations such as protein oxidations and various associated diseases.


Author(s):

Ansari RA, Rabiu KM



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