Simultaneous determination of N2-(3-aminopropyl)biopterin (oncopterin), biopterin and neopterin by high-performance liquid chromatography with fluorescence detection

M. Hibiya, R. Teradaira, T. Sugimoto, K. Fujita, T. Nagatsu

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12 Citations (Scopus)


A high-performance liquid chromatographic method is described for the simultaneous determination of N2-(3-aminopropyl)biopterin (oncopterin, a newly found natural pteridine in urine from cancer patients), biopterin, and neopterin in urine. For the detection and quantification of the compounds, fluorometry was used. Using Develosil ODS K-5 and Develosil ODS HG-5 reversed-phase columns and a Nucleosil 100-5SA strong cation-exchange column, oncopterin, biopterin, and neopterin in urine were completely separated and assayed simultaneously by fluorescence detection. Similar values of oncopterin were obtained using each of the three columns, and the Develosil ODS K-5 reversed-phase column gave the most satisfactory separation. The sensitivity was high enough to measure 1 pmol of each pteridine. The HPLC method was highly reproducible. Our preliminary results indicate that oncopterin could be a most sensitive marker for cancer.

Original languageEnglish
Pages (from-to)143-148
Number of pages6
JournalJournal of Chromatography B: Biomedical Sciences and Applications
Issue number1
Publication statusPublished - 06-10-1995

All Science Journal Classification (ASJC) codes

  • Chemistry(all)


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