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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Serum paraoxonase (a high-density lipoprotein-associated lipophilic antioxidant) activity and lipid profile in experimental acute pancreatitis.

OBJECTIVE: This study was designed to determine the serum lipid profile and the activity of paraoxonase (PON1, the lipophilic antioxidant component of high-density lipoprotein [HDL]-cholesterol) in acute pancreatitis. METHODS: Acute pancreatitis was induced by injection of ethyl alcohol into the common biliary duct. Oxidative stress marker (malonyldialdehyde), lipid profile, and PON1 activity were determined in the serum. RESULTS: In the acute pancreatitis group, whereas the mean levels of total cholesterol, low-density lipoproteins, and malonyldialdehyde were significantly higher (P < 0.001 for each), HDL level and PON1 activity were found to be significantly lower (P < 0.001 for each). CONCLUSIONS: Our results suggest that an abnormal lipid profile and decreased PON1 activity may have a role in the pathogenesis of acute pancreatitis in which HDL-associated antioxidant defense is impaired.[1]

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