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. 1980 Aug;10(2):117-22.
doi: 10.1016/0304-3835(80)90034-8.

CArcinogenic activity of clivorine, a pyrrolizidine alkaloid isolated from Ligularia dentata

K Kuhara, H Takanashi, I Hirono, T Furuya, Y Asada

CArcinogenic activity of clivorine, a pyrrolizidine alkaloid isolated from Ligularia dentata

K Kuhara et al. Cancer Lett. 1980 Aug.

Abstract

The carcinogenic activity of clivorine, a pyrrolizidine alkaloid isolated from Ligularia dentata, was studied in inbred ACI rats. Twelve animals in the experimental group received a 0.005% solution of clivorine in drinking water for 340 days and survived beyond 440 days after the beginning of the experiment. Of this group, 8 developed tumors in the liver; 2 developed hemangioendothelial sarcomas, and 6 developed neoplastic nodules. The hemangioendothelial sarcoma showed metastasis in the lung of one rat. No tumors were observed in the liver of the control animals.

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