Umemura T - Search Results

1

Development of a Medium-term Animal Model Using gpt Delta Rats to Evaluate Chemical Carcinogenicity and Genotoxicity.

Matsushita K, Kijima A, Ishii Y, Takasu S, Jin M, Kuroda K, Kawaguchi H, Miyoshi N, Nohmi T, Ogawa K, Umemura T. Matsushita K, et al. Among authors: umemura t. J Toxicol Pathol. 2013 Mar;26(1):19-27. doi: 10.1293/tox.26.19. Epub 2013 Apr 22. J Toxicol Pathol. 2013. PMID: 23723564 Free PMC article.

2

Pentachlorophenol (but not phenobarbital) promotes intrahepatic biliary cysts induced by diethylnitrosamine to cholangio cystic neoplasms in B6C3F1 mice possibly due to oxidative stress.

Umemura T, Kodama Y, Kanki K, Iatropoulos MJ, Nishikawa A, Hirose M, Williams GM. Umemura T, et al. Toxicol Pathol. 2003 Jan-Feb;31(1):10-3. doi: 10.1080/01926230390173806. Toxicol Pathol. 2003. PMID: 12597444

3

Low dose genotoxicity of 2-amino-3,8-dimethylimidazo[4,5-f]quinoxaline (MeIQx) in gpt delta transgenic mice.

Masumura K, Horiguchi M, Nishikawa A, Umemura T, Kanki K, Kanke Y, Nohmi T. Masumura K, et al. Among authors: umemura t. Mutat Res. 2003 Nov 10;541(1-2):91-102. doi: 10.1016/s1383-5718(03)00186-4. Mutat Res. 2003. PMID: 14568298

4

Specificity of co-promoting effects of caffeine on thyroid carcinogenesis in rats pretreated with N-bis(2-hydroxypropyl)nitrosamine.

Son HY, Nishikawa A, Okazaki K, Kitamura Y, Kanki K, Lee KY, Umemura T, Hirose M. Son HY, et al. Among authors: umemura t. Toxicol Pathol. 2004 May-Jun;32(3):338-44. doi: 10.1080/01926230490431853. Toxicol Pathol. 2004. PMID: 15204976

5

In vivo mutational analysis of liver DNA in gpt delta transgenic rats treated with the hepatocarcinogens N-nitrosopyrrolidine, 2-amino-3-methylimidazo[4,5-f]quinoline, and di(2-ethylhexyl)phthalate.

Kanki K, Nishikawa A, Masumura K, Umemura T, Imazawa T, Kitamura Y, Nohmi T, Hirose M. Kanki K, et al. Among authors: umemura t. Mol Carcinog. 2005 Jan;42(1):9-17. doi: 10.1002/mc.20061. Mol Carcinog. 2005. PMID: 15486947

6

Induction of colon tumors in C57BL/6J mice fed MeIQx, IQ, or PhIP followed by dextran sulfate sodium treatment.

Nishikawa A, Imazawa T, Kuroiwa Y, Kitamura Y, Kanki K, Ishii Y, Umemura T, Hirose M. Nishikawa A, et al. Among authors: umemura t. Toxicol Sci. 2005 Apr;84(2):243-8. doi: 10.1093/toxsci/kfi079. Epub 2005 Jan 5. Toxicol Sci. 2005. PMID: 15635146

7

Effects of N-acetylcysteine, quercetin, and phytic acid on spontaneous hepatic and renal lesions in LEC rats.

Kitamura Y, Nishikawa A, Nakamura H, Furukawa F, Imazawa T, Umemura T, Uchida K, Hirose M. Kitamura Y, et al. Among authors: umemura t. Toxicol Pathol. 2005;33(5):584-92. doi: 10.1080/01926230500246675. Toxicol Pathol. 2005. PMID: 16178122

8

A crucial role of Nrf2 in in vivo defense against oxidative damage by an environmental pollutant, pentachlorophenol.

Umemura T, Kuroiwa Y, Kitamura Y, Ishii Y, Kanki K, Kodama Y, Itoh K, Yamamoto M, Nishikawa A, Hirose M. Umemura T, et al. Toxicol Sci. 2006 Mar;90(1):111-9. doi: 10.1093/toxsci/kfj076. Epub 2005 Dec 13. Toxicol Sci. 2006. PMID: 16352618

9

Protective effects of benzyl isothiocyanate and sulforaphane but not resveratrol against initiation of pancreatic carcinogenesis in hamsters.

Kuroiwa Y, Nishikawa A, Kitamura Y, Kanki K, Ishii Y, Umemura T, Hirose M. Kuroiwa Y, et al. Among authors: umemura t. Cancer Lett. 2006 Sep 28;241(2):275-80. doi: 10.1016/j.canlet.2005.10.028. Epub 2006 Jan 4. Cancer Lett. 2006. PMID: 16386831

10

Nine-week detection of six genotoxic lung carcinogens using the rasH2/BHT mouse model.

Umemura T, Kodama Y, Nishikawa A, Hioki K, Nomura T, Kanki K, Kuroiwa Y, Ishii Y, Kurokawa Y, Hirose M. Umemura T, et al. Cancer Lett. 2006 Jan 18;231(2):314-8. doi: 10.1016/j.canlet.2005.02.024. Cancer Lett. 2006. PMID: 16399233

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