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Protein tyrosine nitration results in a post-translational modification that is increasingly receiving attention as an important component of nitric oxide signaling (2). While multiple nonenzymatic mechanisms are known to be capable of producing nitrated tyrosine residues, most tyrosine nitration events involve...

Nitrotyrosine has been identified as an indicator of cell damage and inflammation, as well as of the production of NO. It is believed that measuring the concentration of nitrotyrosine will serve as a marker for damage caused by NO in the cell. Previous studies have shown that nitrotyrosine has been found in...

Nitric oxide (NO) is implicated in carcinogenesis, chronic infection, inflammation and neurodegeneration. High levels of both superoxide and nitric oxide in these tissues interact to form peroxynitrite, a potent oxidant that can modify Tyr residues in proteins to form 3-nitro-tyrosine. Tyrosine nitration of...

Nitrotyrosine has been identified as an indicator of cell damage and inflammation, as well as of the production of NO. It is believed that measuring the concentration of nitrotyrosine will serve as a marker for damage caused by NO in the cell. Previous studies have shown that nitrotyrosine has been found in...

The cellular production of highly reactive nitrogen species derived from nitric oxide, such as peroxynitrite, nitrogen dioxide and nitryl chloride, leads to the nitration of tyrosine resides in tissue proteins. The extent of protein nitrotyrosine formation provides an index of the production of reactive nitrogen...

The presence of nitrotyrosine has been detected in various inflammatory processes including atherosclerotic plaques. Nitrotyrosine is formed in tissues in the presence of the active metabolite NO. Various pathways including the formation of peroxynitrite lead to nitrotyrosine production. It is still unknown whether...

Nitric oxide (NO) and reacti04.10.07ve oxygen species (ROS) are important mediators that produce harmful or protective functions. NO can react with superoxide anions (O2-), yielding the toxic oxidizing agent peroxynitrite (ONOO-). Peroxynitrite induces nitration of tyrosine residues leading to changes in protein...