Mitoxantrone affects topoisomerase activities in human breast cancer cells

The effects of mitoxantrone, an antineoplastic DNA intercalator, on topoisomerase I and II were studied in two human breast cancer cell lines. A large increase of topoisomerase I activity was found when cells were exposed to various doses of mitoxantrone. Maximal effect was achieved with 20 and 40 n...

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Detalles Bibliográficos
Autor principal: Crespi, M.D
Otros Autores: Ivanier, S.E, Genovese, J., Baldi, A.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 1986
Acceso en línea:Registro en Scopus
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Registro en la Biblioteca Digital
Aporte de:Registro referencial: Solicitar el recurso aquí
LEADER 06536caa a22010457a 4500
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024 7 |2 scopus  |a 2-s2.0-0022481289 
024 7 |2 cas  |a dactinomycin, 1402-38-6, 1402-58-0, 50-76-0; DNA topoisomerase, 80449-01-0; DNA, 9007-49-2; mitoxantrone, 65271-80-9, 70476-82-3; puromycin, 53-79-2, 58-58-2; Anthraquinones; Dactinomycin, 50-76-0; DNA Topoisomerases, Type I, EC 5.99.1.2; DNA Topoisomerases, Type II, EC 5.99.1.3; Doxorubicin, 23214-92-8; Mitoxantrone, 65271-80-9; Puromycin, 53-79-2 
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100 1 |a Crespi, M.D. 
245 1 0 |a Mitoxantrone affects topoisomerase activities in human breast cancer cells 
260 |c 1986 
270 1 0 |m Crespi, M.D.; Instituto de Biologia y Medicina Experimental Obligado 2490, 1428 Buenos Aires, Argentina 
506 |2 openaire  |e Política editorial 
504 |a Ross, Glaubiger, Kohn, (1979) Biochim. Biophys. Acta, 562, pp. 41-50 
504 |a Zwelling, Michaels, Erickson, Ungerleider, Nichols, Kohn, (1981) Biochemistry, 20, pp. 6553-6563 
504 |a Kohn, (1979) Methods Cancer Res, 16, pp. 291-345 
504 |a Walsh, Suicide Substrates, Mechanism-Based Enzyme Inactivators: Recent Developments (1984) Annual Review of Biochemistry, 53, pp. 524-535 
504 |a Zwelling, Michaels, Kerrigan, Pommier, Kohn, (1982) Biochem. Pharmacol, 31, pp. 3261-3267 
504 |a Wosniak, Ross, (1983) Cancer Res, 43, pp. 120-124 
504 |a Liu, Rowe, Yang, Tewey, Chen, (1983) J. Biol. Chem, 258, pp. 15365-15370 
504 |a Rowe, Tewey, Liu, (1984) J. Biol. Chem, 259, pp. 9177-9181 
504 |a Gellert, (1981) Ann. Rev. Biochem, 50, pp. 879-910 
504 |a Nelson, Tewey, Liu, (1984) Proc. Natl. Acad. Sci. USA, 81, pp. 1361-1365. , 2nd ed 
504 |a Santa Cruz, Medrano, Baldi, (1985) Biochem. Biophys. Res. Commun, 126, pp. 382-388 
504 |a Martin, McCowbrey, Jr., McConaughy, Young, Been, Brewer, Champoux, (1983) Meth. in Enzymol, 100, pp. 137-144 
504 |a Schlomai, Zadok, Reversible decatenation of kinetoplast DNA by a DNA topoisomerase from trypanosomatids (1983) Nucleic Acids Research, 11, pp. 4019-4034 
504 |a Bradford, (1976) Anal. Biochem, 72, pp. 248-254 
504 |a McMaster, Samulski, Stein, Stein, (1980) Anal. Biochem, 109, pp. 47-54 
504 |a Frasch, Goijman, Cazzulo, Stoppani, (1981) Mol. Biochem. Parasitol, 4, pp. 163-170 
504 |a Tewey, Chen, Nelson, Liu, (1984) J. Biol. Chem, 259, pp. 9182-9187 
504 |a Ralph, Marshall, Darkin, (1983) TIBS, 8, pp. 212-214 
504 |a Marshall, Darkin, Ralph, (1983) FEBS Lett, 161, pp. 75-78 
504 |a Marshall, Ralph, Hancock, (1983) Nuc. Acids Res, 11, pp. 4251-4256 
504 |a Tewey, Rowe, Yang, Halligan, Liu, (1984) Science (Wash. DC), 226, pp. 466-468 
504 |a Pommier, Zwelling, Kao Shan, Whan Peng, Bradley, (1985) Cancer Res, 45, pp. 3143-3149 
504 |a Chen, Yang, Rowe, Halligan, Tewey, Liu, (1984) J. Biol. Chem, 259, pp. 13560-13566 
504 |a Durban, Mills, Roll, Busch, (1983) Biochem. Biophys. Res. Commun, 111, pp. 897-905 
504 |a Crespi, M.D. and Baldi, A. (1985) Submitted; Goldberg, Wong, Tse-Dinh, (1985) Cancer Cells 3/Cold Spring Harbor Laboratory — Growth Factors and transformation, pp. 369-379. , J. Feramisco, B. Ozanne, C. Stiles 
504 |a Ferro, McElwain, Olivera, (1984) Cold Spring Harbor Symposia Quant. Biol, 49, pp. 683-690. , 2nd ed 
504 |a Krasnow, Cozzarelli, (1983) Cell, 32, pp. 1313-1324 
504 |a Fishel, Kolodner, (1984) J. Bacteriol, 160, pp. 1168-1170 
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520 3 |a The effects of mitoxantrone, an antineoplastic DNA intercalator, on topoisomerase I and II were studied in two human breast cancer cell lines. A large increase of topoisomerase I activity was found when cells were exposed to various doses of mitoxantrone. Maximal effect was achieved with 20 and 40 ng/mL in T47D and MCF-7 cells respectively. The enhancement on topoisomerase I activity seemed to be reversible, to be dependent on time of exposure to the drug and to require cellular integrity. Type II topoisomerase was inhibited in T47D cells after treatment for one hour with 10ng/mL of mitoxantrone and enzyme activity was undetectable at higher doses (40 ng/mL). This inhibitory effect did not take place in vitro unless the concentration of the intercalator was increased to 400-500 ng/mL. © 1986.  |l eng 
593 |a Instituto de Biologia y Medicina Experimental Obligado 2490, 1428 Buenos Aires, Argentina 
690 1 0 |a DACTINOMYCIN 
690 1 0 |a DNA 
690 1 0 |a DNA TOPOISOMERASE 
690 1 0 |a MITOXANTRONE 
690 1 0 |a PUROMYCIN 
690 1 0 |a BREAST 
690 1 0 |a BREAST CANCER 
690 1 0 |a CANCER CHEMOTHERAPY 
690 1 0 |a DRUG CYTOTOXICITY 
690 1 0 |a ENZYME INHIBITION 
690 1 0 |a HUMAN 
690 1 0 |a HUMAN CELL 
690 1 0 |a INTOXICATION 
690 1 0 |a PRIORITY JOURNAL 
690 1 0 |a THERAPY 
690 1 0 |a ANTHRAQUINONES 
690 1 0 |a BREAST NEOPLASMS 
690 1 0 |a CELL LINE 
690 1 0 |a COMPARATIVE STUDY 
690 1 0 |a DACTINOMYCIN 
690 1 0 |a DNA TOPOISOMERASES, TYPE I 
690 1 0 |a DNA TOPOISOMERASES, TYPE II 
690 1 0 |a DOXORUBICIN 
690 1 0 |a ENZYME INDUCTION 
690 1 0 |a HUMAN 
690 1 0 |a KINETICS 
690 1 0 |a MITOXANTRONE 
690 1 0 |a PUROMYCIN 
690 1 0 |a SUPPORT, NON-U.S. GOV'T 
700 1 |a Ivanier, S.E. 
700 1 |a Genovese, J. 
700 1 |a Baldi, A. 
773 0 |d 1986  |g v. 136  |h pp. 521-528  |k n. 2  |p Biochem. Biophys. Res. Commun.  |x 0006291X  |w (AR-BaUEN)CENRE-905  |t Biochemical and Biophysical Research Communications 
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856 4 0 |u https://hdl.handle.net/20.500.12110/paper_0006291X_v136_n2_p521_Crespi  |y Handle 
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