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Antioxidant and drug metabolism
Home | Articles
Published on:24th Feb,2014
Free Radicals and Antioxidants, 2014; 4(1):01-02
Editorial | doi:10.5530/fra.2014.1.1

Antioxidant and drug metabolism


Authors and affiliation (s):

Parasuraman S., Maithili K.S.1
Managing Editor, Free radical and Antioxidant,

1Department of Biochemistry, Jawaharlal Institute of
Postgraduate Medical Education and Research (JIPMER), Pondicherry, India

Abstract:

The production of physiological amount of free radical is essential to fight against an unfavorable environment. The free radicals like nitric oxide (NO), superoxide anion, and related reactive oxygen species (ROS) play an important role as regulatory mediators in signaling processes. In higher organisms, NO and ROS regulates vascular tone, oxygen tension in control of ventilation and erythropoietin production.1 Free radicals activate a signal transduction from membrane receptors, for example ROS is essential for tissue factor protein expression in endothelial cells, TNF-γ-induced vascular cell adhesion protein 1 (VCAM-1) in vascular smooth muscle cells (VSMCs), tyrosine phosphorylation in fibroblasts and lymphocytes, etc. Similarly reactive nitrogen species (RNS) is important in norepinephrine-induced prostacycline release in hypothalamus, formations of synaptic connections in olfactory receptor neurons, N-methyl-D-aspartic acid (NMDA) receptor activity in cortical neurons, etc.2 read more..,

 

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