Protective role of medroxyprogesterone acetate on N-methyl-N-nitrosourea-induced lymphomas in BALB/c female mice

In a previous paper we reported the occurrence of a high incidence of lymphomas in N-methyl-N-nitrosourea (MNU)-treated mice, in the course of an experiment of combined chemical-hormonal carcinogenesis in mammary gland, in which we used medroxyprogesterone acetate (MPA) and MNU in different treatmen...

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Autor principal: Pazos, P.
Otros Autores: Lanari, C., Molinolo, A.A
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 2001
Acceso en línea:Registro en Scopus
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Registro en la Biblioteca Digital
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024 7 |2 scopus  |a 2-s2.0-0035136813 
024 7 |2 cas  |a Medroxyprogesterone 17-Acetate, 71-58-9; Methylnitrosourea, 684-93-5 
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100 1 |a Pazos, P. 
245 1 0 |a Protective role of medroxyprogesterone acetate on N-methyl-N-nitrosourea-induced lymphomas in BALB/c female mice 
260 |c 2001 
270 1 0 |m Molinolo, A.A.; Laboratory Hormonal Carcinogenesis, Inst. Biologia/Med. Experimental, CONICET, Vuelta de Obligado 2490, 1428 Buenos Aires, Argentina; email: monlinolo@proteus.dna.uba.ar 
506 |2 openaire  |e Política editorial 
504 |a Briggs, M.H., Briggs, M., Glucocorticoid properties of progestogens (1973) Steroids, 22, pp. 555-559 
504 |a Lelli, G., Angelelli, B., Giambiasi, M.E., Colalongo, F., Camaggi, C.M., Costanti, B., Strocchi, E., Pannuti, F., The anabolic effect of high dose medroxyprogesterone acetate in oncology (1983) Pharmacol. Res. Commun., 15, pp. 561-568 
504 |a Kurebayashi, J., Yamamoto, S., Otsuki, T., Sonoo, H., Medroxyprogesterone acetate inhibits interleukin 6 secretion from KPL-4 human breast cancer cells both in vitro and in vivo: a possible mechanism of the anticachectic effect (1999) Br. J. Cancer, 79, pp. 631-636 
504 |a Amadori, D., Frassineti, G.L., Flamini, E., Falcini, F., Maltoni, M., Nanni, O., Riccobon, A., Piccinini, C., Clinical and laboratory evaluation of the myeloprotective effect of medroxyprogesterone acetate in head and neck cancer (1992) Eur. J. Cancer, 28 A, pp. 1331-1334 
504 |a Molinolo, A.A., Lanari, C., Charreau, E.H., Sanjuan, N., Pasqualini, C.D., Mouse mammary tumors induced by medroxyprogesterone acetate: immunohistochemistry and hormonal receptors (1987) J. Natl. Cancer Inst., 79, pp. 1341-1350 
504 |a Seidel, H.J., Kreja, L., Leukemia induction by methylnitrosourea (MNU) in selected mouse strains. Effects of MNU on hemopoietic stem cells, the immune system and natural killer cells (1984) J. Cancer Res. Clin. Oncol., 108, pp. 214-220 
504 |a Pazos, P., Lanari, C., Elizalde, P., Montecchia, F., Charreau, E.H., Molinolo, A.A., Promoter effect of medroxyprogesterone acetate (MPA) in N-methyl-N-nitrosourea (MNU) induced mammary tumors in BALB/c mice (1998) Carcinogenesis, 19, pp. 529-531 
504 |a Guzman, R.C., Osborn, R.C., Swanson, S.M., Sakthivel, R., Hwang, S.I., Miyamoto, S., Nandi, S., Incidence of c-Ki-ras activation in N-methyl-N-nitrosourea-induced mammary carcinomas in pituitary-isografted mice (1992) Cancer Res., 52, pp. 5732-5737 
520 3 |a In a previous paper we reported the occurrence of a high incidence of lymphomas in N-methyl-N-nitrosourea (MNU)-treated mice, in the course of an experiment of combined chemical-hormonal carcinogenesis in mammary gland, in which we used medroxyprogesterone acetate (MPA) and MNU in different treatment protocols. In this report we have analyzed the action of MPA in the leukemogenic effects of MNU, by specifically selecting for the analysis experimental groups in which only few mammary carcinomas had developed. A high incidence of lymphomas (65%, median latency: 176 days) was registered in MNU-treated mice, and the administration of MPA was associated with a significant reduction in the incidence of lymphomas (P<0.001) in all protocols. Copyright © 2001 Elsevier Science Ltd.  |l eng 
536 |a Detalles de la financiación: Inter-American Development Bank 
536 |a Detalles de la financiación: Consejo Nacional de Investigaciones Científicas y Técnicas 
536 |a Detalles de la financiación: We thank Laboratorios Gador, Buenos Aires for kindly providing medroxyprogesterone acetate and Dr CD Pasqualini, Academia Nacional de Medicina, Buenos Aires, for the BALB/c female mice. CL is a Member of the Research Career, CONICET. This study was supported by grants of CONICET: PMT.PICT 0446 Préstamo BID 802/OC-AR, Fundación Sales. We are grateful to Dr Mirta Giordano, Academia Nacional de Medicina, Buenos Aires, for providing the antibodies. P. Pazos provided the concept, design, drafted the paper and assembled the data. C. Lanari provided statistical expertise and analysis of the data as well as contributing to the study design. A.A. Molinolo contributed to the concept and study design, assisted in data interpretation and provided the critical revision of the paper. 
593 |a Laboratory of Hormonal Carcinogenesis, Instituto De Biología Y Medicina Experimental (IBYME), Consejo Nacional De Investigaciones Científicas Y Técnicas (CONICET), Vuelta de Obligado 2490, 1428 Buenos Aires, Argentina 
690 1 0 |a LYMPHOMA 
690 1 0 |a MEDROXYPROGESTERONE ACETATE 
690 1 0 |a MICE 
690 1 0 |a N-METHYL-N-NITROSOUREA 
690 1 0 |a PROGESTINS 
690 1 0 |a MEDROXYPROGESTERONE ACETATE 
690 1 0 |a METHYLNITROSOUREA 
690 1 0 |a ANIMAL EXPERIMENT 
690 1 0 |a ANIMAL MODEL 
690 1 0 |a ANIMAL TISSUE 
690 1 0 |a ARTICLE 
690 1 0 |a CONTROLLED STUDY 
690 1 0 |a DRUG EFFECT 
690 1 0 |a FEMALE 
690 1 0 |a IMMUNOCYTOCHEMISTRY 
690 1 0 |a INCIDENCE 
690 1 0 |a LYMPHOMA 
690 1 0 |a MOUSE 
690 1 0 |a NONHUMAN 
690 1 0 |a PRIORITY JOURNAL 
690 1 0 |a PROTECTION 
690 1 0 |a ANIMALS 
690 1 0 |a FEMALE 
690 1 0 |a IMMUNOHISTOCHEMISTRY 
690 1 0 |a INCIDENCE 
690 1 0 |a LYMPHOMA 
690 1 0 |a MEDROXYPROGESTERONE 17-ACETATE 
690 1 0 |a METHYLNITROSOUREA 
690 1 0 |a MICE 
690 1 0 |a MICE, INBRED BALB C 
700 1 |a Lanari, C. 
700 1 |a Molinolo, A.A. 
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