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Clin Chim Acta. 2007 Mar;378(1-2):105-11. Epub 2006 Nov 10.

Establishment and evaluation of 2 monoclonal antibodies against oxidized apolipoprotein A-I (apoA-I) and its application to determine blood oxidized apoA-I levels.

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  • 1Ikagaku Co. Ltd., Furukawacho, 328 Hazukashi Fushimi-ku, Kyoto 612-8486, Japan.



Apolipoprotein A-I (apoA-I) is the major lipoprotein component of high-density lipoprotein(HDL), and plays an important role in reverse cholesterol transport. Its function is known to be influenced by oxidation.


Using H2O2-or chloramine T-oxidized apoA-I as antigen, we prepared 2 kinds of monoclonal antibodies, and established an ELISA system for the measurement of oxidized apoA-I.


The 2 monoclonal antibodies obtained, 7D3 and 98A7, exhibited different reactivity characteristics. The serum level of oxidized apoA-I was higher in patients with either inflammatory disease or diabetes than in healthy individuals, and suggested a diversity of oxidized apoA-I.


The 2 monoclonal antibodies are useful for the determination of oxidized apoA-I and study of diverse oxidized HDLs.

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