Abstract:
:The aim of this work was to characterize folates modified by ONOO(-) and HOCl and to evaluate the binding capacity of folates modified by ONOO(-) to folate receptor alpha and beta. For the modification of folate by ONOO(-), folic acid was reacted with the combination of PMA activated PMN and PAPA NONOate or chemically synthesized ONOO(-). For the modification of folate by HOCl, folic acid was reacted with the combination of MPO and H(2)O(2) or NaOCl. The structures of products were determined by 1H-NMR and MALDI-TOF mass. Nitrated folate species were identified as 10-nitro-folate and 12-nitro-folate, and chlorinated folate was identified as 12-chloro-folate. The 10-nitro-folate showed the selective binding to FR-beta, compared to folic acid.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Nakamura M,Nagayoshi R,Ijiri K,Nakashima-Matsushita N,Takeuchi T,Matsuyama Tdoi
10.1016/s0006-291x(02)02359-8subject
Has Abstractpub_date
2002-10-11 00:00:00pages
1238-44issue
5eissn
0006-291Xissn
1090-2104pii
S0006291X02023598journal_volume
297pub_type
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