ZX-55100-96 | 8‐OHdG (DNA Damage) ELISA Kit
Free radicals and reactive oxygen species (ROS) are constantly generated in vivo during the normal metabolism, or due to ultraviolet and ionizing radiation. These endogenously- and exogenously- produced ROS can attack lipids, proteins and nucleic acids in living cells, and cause damage.
The process of oxidative damage in DNA results in the formation of 8-hydroxy-2’-deoxyguanosine (8-OHdG), which is a regarded as a ubiquitous marker of oxidative stress. When individual bases are damaged, nonspecific DNA repair enzymes and base specific repair glycosylases excise DNA lesions and release deoxynucleotides, which are enzymatically hydrolyzed to stable deoxynucleosides. These repair products are transported through the blood and excreted in the urine. 8-OHdG is an oxidized derivative of deoxyguanosine that is formed during the repair of damaged DNA by exonucleases, and further excreted into urine. Damage to RNA is reflected in nucleoside adducts such as 8-Hydroxyguanosine (8-OHG).
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