SCREENING OF POLYACETYLENIC ALCOHOLS IN CRUDE DRUGS USING THE ELISA FOR PANAXYTRIOL
SCREENING OF POLYACETYLENIC ALCOHOLS IN CRUDE DRUGS USING THE ELISA FOR PANAXYTRIOL
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DOI:
10.1248/bpb.18.933
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发表时间:
1995-07-01
影响因子:
2
通讯作者:
MORI, M
中科院分区:
文献类型:
--
作者:
SAITA, T;KATANO, M;MORI, M
Polyacetylenic alcohols such as panaxytriol, panaxynol and panaxydol isolated from the roots of Panax ginseng C, A. MEYER have antiproliferative activity against various cultured tumor cells. Anti-panaxytriol antibody was obtained by immunizing rabbits,vith panaxytriol-bovine serum albumin conjugates. Although the antibody reactivity was directed mainly toward panaxytriol, there was a slight cross-reactivity with other polyacetylenic compounds, The antibody was, therefore, used for screening a large number of crude drugs for polyacetylenic compounds such as panaxytriol, Methanol-extracts from 31 crude drugs were examined. Significant reactivity was observed in 15 methanol-extracts from Aralieaceae, Compositae and Umbelliferae as reported by other investigators. Three out of the 15 crude drugs were selected for determination of the potent cross-reactive compounds. Four kinds of cross-reactive compounds mere isolated by silica gel column chromatography, monitoring each fraction using the enzyme-linked immunosorbent assay (ELISA), Among them, panaxynol and heptadeca-1,8-diene-4,6-diyne-3,10-diol were identified from Saposhnikoviae Radix, Falcarindiol was newly identified from Peucedani Radix. A new polyacetylenic alcohol, 9,10-epoxy-16-hydroxy-octadeca-17-ene-12,14-diyne-1-al, was also isolated from Foeniculi Fructus. All these polyacetylenic alcohols inhibited the growth of a human gastric adenocarcinoma cell line, MK-1 cells, in a dose-dependent manner. These results indicate that the antibody against panaxytriol is an effective tool for ''screening'' antiproliferative polyacetylenic compounds.