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Full-Text Articles in Biochemistry
Hypochlorous Acid Mediated Damage Of Chromatin, Joseph Insugn Kang
Hypochlorous Acid Mediated Damage Of Chromatin, Joseph Insugn Kang
Loma Linda University Electronic Theses, Dissertations & Projects
Hypochlorous acid (HOCl), the primary product of activated neutrophils at sites of inflammation, can damage both DNA and associated histone proteins. HOCl damage to cytosine bases in DNA generates the chlorination damage products 5-chlorocytosine (ClC) and 5-chlorouracil (ClU) as well as the oxidation damage products 5- hydroxycytosine (HOC) and 5-hydroxyuracil (HOU). Histone damage by HOCl can be measured by quantitation of 3-chlorotyrosine and 3,5-dichlorotyrosine, stable and unique markers of protein damage caused by HOCl. The studies presented here investigate how and where these damage products occur and what implications they might have in the correlation between chronic inflammation and carcinogenesis. …