An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
  1. Home
  2. Topoisomerase-II-Inhibitor

Topoisomerase-II-Inhibitor

Download these results as:
CSV
EXCEL
PDF
List of activity chemicals.
Click on column headings to sort table by that column. *Unless otherwise noted all references are to (Duke, 1992)
Chemical Name Dosage Reference
(+)-DICENTRINE IC50=27 uM Woo, S. H., Sun, N. J., Cassady, J. M., Snapka, R. M. 1999. Topoisomerase II Inhibition by Aporphine Alkaloids. Biochem Pharmacol, 57: 1141-1145.
1,2,3,4,6-PENTA-O-GALLOYL-BETA-D-GLUCOSE IC100=0.2 uM Kashiwada, Y., Nonaka, G. I., Nishioka, I., Lee, J. H., Bori, I., Fukushima, Y., Bastow, K. F., Lee, K. H. 1993. Tannins as Potent Inhibitors of DNA Topoisomerase II in vitro. J Pharm Sci, 82: 487-492.
1,2,6-TRI-O-GALLOYL-BETA-D-GLUCOSE IC100=0.2 uM Kashiwada, Y., Nonaka, G. I., Nishioka, I., Lee, J. H., Bori, I., Fukushima, Y., Bastow, K. F., Lee, K. H. 1993. Tannins as Potent Inhibitors of DNA Topoisomerase II in vitro. J Pharm Sci, 82: 487-492.
1,3,4,5-TETRA-O-GALLOYL-QUINIC-ACID IC100=0.5 uM Kashiwada, Y., Nonaka, G. I., Nishioka, I., Lee, J. H., Bori, I., Fukushima, Y., Bastow, K. F., Lee, K. H. 1993. Tannins as Potent Inhibitors of DNA Topoisomerase II in vitro. J Pharm Sci, 82: 487-492.
1-2-3-6-TETRA-O-GALLOYL-BETA-D-GLUCOSE IC100=0.2 uM Kashiwada, Y., Nonaka, G. I., Nishioka, I., Lee, J. H., Bori, I., Fukushima, Y., Bastow, K. F., Lee, K. H. 1993. Tannins as Potent Inhibitors of DNA Topoisomerase II in vitro. J Pharm Sci, 82: 487-492.
1-BETA-GALLOYL-PEDUNCULAGIN IC100=0.5 uM Kashiwada, Y., Nonaka, G. I., Nishioka, I., Lee, J. H., Bori, I., Fukushima, Y., Bastow, K. F., Lee, K. H. 1993. Tannins as Potent Inhibitors of DNA Topoisomerase II in vitro. J Pharm Sci, 82: 487-492.
10-HYDROXYLIRIODENINE IC50=12.5 ug/ml Harrigan, G. G., Gunatilaka, A. A. L., Kingston, D. G. I., Chan, G. W., Johnson, R. K. 1994. Isolation of Bioactive and Other Oxoaporphine Alkaloids From Two Annonaceous Plants, Xylopia aethiopica and X. muliusa cf. banacea. J Natural Products, 57: 68-73.
10-METHOXYLIRIODENINE IC50=25 ug/ml Harrigan, G. G., Gunatilaka, A. A. L., Kingston, D. G. I., Chan, G. W., Johnson, R. K. 1994. Isolation of Bioactive and Other Oxoaporphine Alkaloids From Two Annonaceous Plants, Xylopia aethiopica and X. muliusa cf. banacea. J Natural Products, 57: 68-73.
14-CHLORO-15-HYDROXYXESTOQUINONE IC90=135 uM Concepcion, G. P., Foderaro, T. A., Eldredge, G. S., Lobkovsky, E., Clardy, J., Barrows, L. R., Ireland, C. M. 1995. Topoisomerase II-Mediated DNA Cleavage by Adocia- and Xestoquinones From the Philippine Sponge Xestospongia sp. J Med Chem, 38: 4503-4507.
14-METHOXYXESTOQUINONE IC90=143 uM Concepcion, G. P., Foderaro, T. A., Eldredge, G. S., Lobkovsky, E., Clardy, J., Barrows, L. R., Ireland, C. M. 1995. Topoisomerase II-Mediated DNA Cleavage by Adocia- and Xestoquinones From the Philippine Sponge Xestospongia sp. J Med Chem, 38: 4503-4507.
15-CHLORO-14-HYDROXYXESTOQUINONE IC90=135 uM Concepcion, G. P., Foderaro, T. A., Eldredge, G. S., Lobkovsky, E., Clardy, J., Barrows, L. R., Ireland, C. M. 1995. Topoisomerase II-Mediated DNA Cleavage by Adocia- and Xestoquinones From the Philippine Sponge Xestospongia sp. J Med Chem, 38: 4503-4507.
15-METHOXYXESTOQUINONE IC90=143 uM Concepcion, G. P., Foderaro, T. A., Eldredge, G. S., Lobkovsky, E., Clardy, J., Barrows, L. R., Ireland, C. M. 1995. Topoisomerase II-Mediated DNA Cleavage by Adocia- and Xestoquinones From the Philippine Sponge Xestospongia sp. J Med Chem, 38: 4503-4507.
2',3,5-TRI-O-GALLOYL-HAMAMELOSE IC100=0.5 uM Kashiwada, Y., Nonaka, G. I., Nishioka, I., Lee, J. H., Bori, I., Fukushima, Y., Bastow, K. F., Lee, K. H. 1993. Tannins as Potent Inhibitors of DNA Topoisomerase II in vitro. J Pharm Sci, 82: 487-492.
2,3-HEXAHYDROXYDIPHENOYL-D-GLUCOSE IC100=100 mM Kashiwada, Y., Nonaka, G. I., Nishioka, I., Lee, J. H., Bori, I., Fukushima, Y., Bastow, K. F., Lee, K. H. 1993. Tannins as Potent Inhibitors of DNA Topoisomerase II in vitro. J Pharm Sci, 82: 487-492.
3',4'-DIDEMETHYL-EPIPODOPHYLLOTOXIN 0.4 mM *
3,4,5-TRI-O-GALLOYL-QUINIC-ACID IC100=0.5 uM Kashiwada, Y., Nonaka, G. I., Nishioka, I., Lee, J. H., Bori, I., Fukushima, Y., Bastow, K. F., Lee, K. H. 1993. Tannins as Potent Inhibitors of DNA Topoisomerase II in vitro. J Pharm Sci, 82: 487-492.
3,5-DI-O-GALLOYLSHIKIMIC-ACID IC100=5 uM Kashiwada, Y., Nonaka, G. I., Nishioka, I., Lee, J. H., Bori, I., Fukushima, Y., Bastow, K. F., Lee, K. H. 1993. Tannins as Potent Inhibitors of DNA Topoisomerase II in vitro. J Pharm Sci, 82: 487-492.
3-O-GALLOYLSHIKIMIC-ACID IC100=5 uM Kashiwada, Y., Nonaka, G. I., Nishioka, I., Lee, J. H., Bori, I., Fukushima, Y., Bastow, K. F., Lee, K. H. 1993. Tannins as Potent Inhibitors of DNA Topoisomerase II in vitro. J Pharm Sci, 82: 487-492.
4'-DEMETHYL-EPIPODOPHYLLOTOXIN 100 uM Lee, K. H., et al. 1989. Antitumor Agents. 107. New Cytotoxic 4-alkylamino Analogues of 4'-demethyl-epipodophyllotoxin as Inhibitors of Human DNA Topoisomerase II. J Natural Products, 52: 606-613.
4'-DEMETHYLPODOPHYLLOTOXIN 100 uM Lee, K. H., et al. 1989. Antitumor Agents. 107. New Cytotoxic 4-alkylamino Analogues of 4'-demethyl-epipodophyllotoxin as Inhibitors of Human DNA Topoisomerase II. J Natural Products, 52: 606-613.
Download these results as:
CSV
EXCEL
PDF
List of Activity Plants.
Click on column headings to sort table by that column.
Plant Name Common Name Chemical Count Total Parts Per Million
Zataria multiflora 1 0
Zea mays Corn 2 0
Zingiber officinale Ginger 4 0
Zizyphus jujuba Da-Zao; Jujube; Ta-Tsao 2 45, 000
Zizyphus mauritiana 1 0
Zizyphus nummularia 1 90
Zizyphus oenoplia 1 64
Zizyphus rugosa 1 50
Zizyphus trinervia 1 57
Zizyphus xylopyra 1 70