Publications by authors named "Toshiya Okamura"

Claim this Profile
A
A 28-day repeated oral dose toxicity study of enniatin complex in mice.
Hiromu Okano, Toshiya Okamura, Yasunori Takahashi, Kazumi Takashima, Ryota Ojiro

J Toxicol Sci· September 2021

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
C
Chemopreventive effects of 4-methylthio-3-butenyl Isothiocyanate (Raphasatin) but not curcumin against pancreatic carcinogenesis in hamsters.
Toshiya Okamura, Takashi Umemura, Tomoki Inoue, Masako Tasaki, Yuji Ishii

J Agric Food Chem· March 2013

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
B
Background Data for General Toxicology Parameters in RccHan:WIST Rats at 8, 10, 19 and 32 Weeks of Age.
Toshiya Okamura, Saori Suzuki, Tatsuya Ogawa, Junichi Kobayashi, Osamu Kusuoka

J Toxicol Pathol· December 2011

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
U
Uterine Carcinosarcoma in a 2-year-old Female Wistar Hannover GALAS Rat.
Shigeaki Takami, Kumiko Ogawa, Takashi Umemura, Daisuke Hibi, Yuji Ishii, Toshiya Okamura

J Toxicol Pathol· March 2011

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
O
Oxidative DNA damage and reporter gene mutation in the livers of gpt delta rats given non-genotoxic hepatocarcinogens with cytochrome P450-inducible potency.
Masako Tasaki, Takashi Umemura, Yuta Suzuki, Daisuke Hibi, Tomoki Inoue, Toshiya Okamura

Cancer Sci· December 2010

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
E
Enhancing effects of carbon tetrachloride on in vivo mutagenicity in the liver of mice fed 2-amino-3,8-dimethylimidazo[4,5-f]quinoxaline (MeIQx).
Toshiya Okamura, Yuji Ishii, Yuta Suzuki, Tomoki Inoue, Masako Tasaki

J Toxicol Sci· October 2010

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
E
Effects of co-treatment of dextran sulfate sodium and MeIQx on genotoxicity and possible carcinogenicity in the colon of p53-deficient mice.
Toshiya Okamura, Yuji Ishii, Yuta Suzuki, Tomoki Inoue, Masako Tasaki

J Toxicol Sci· October 2010

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
C
Chemical structure determination of DNA bases modified by active metabolites of lucidin-3-O-primeveroside.
Yuji Ishii, Toshiya Okamura, Tomoki Inoue, Kiyoshi Fukuhara, Takashi Umemura

Chem Res Toxicol· January 2010

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
S
Simultaneous induction of non-neoplastic and neoplastic lesions with highly proliferative hepatocytes following dietary exposure of rats to tocotrienol for 2 years.
Masako Tasaki, Takashi Umemura, Aki Kijima, Tomoki Inoue, Toshiya Okamura

Arch Toxicol· November 2009

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
H
Hemi aplasia of the nose with complete cleft lip and palate of the contralateral side.
Akikazu Udagawa, Akito Hamajima, Toshiya Okamura, Seiko Lee, Shinnya Yoshimoto

J Plast Reconstr Aesthet Surg· October 2009

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
D
Dietary catechol causes increased oxidative DNA damage in the livers of mice treated with acetaminophen.
Yuji Ishii, Toshiya Okamura, Tomoki Inoue, Masako Tasaki, Takashi Umemura

Toxicology· September 2009

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
I
Involvement of oxidative stress in hepatocellular tumor-promoting activity of oxfendazole in rats.
Yasuaki Dewa, Jihei Nishimura, Masako Muguruma, Meilan Jin, Masaomi Kawai, Toshiya Okamura

Arch Toxicol· May 2009

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
P
Possible participation of oxidative stress in causation of cell proliferation and in vivo mutagenicity in kidneys of gpt delta rats treated with potassium bromate.
Takashi Umemura, Masako Tasaki, Aki Kijima, Toshiya Okamura, Tomoki Inoue

Toxicology· March 2009

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
C
Concept and anatomical basis of microdissected tailoring method for free flap transfer.
Naohiro Kimura, Masami Saitoh, Toshiya Okamura, Yoshifumi Hirata, Yoshinori Itoh

Plast Reconstr Surg· January 2009

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
R
Role of Nrf2 and oxidative stress on fenofibrate-induced hepatocarcinogenesis in rats.
Jihei Nishimura, Yasuaki Dewa, Toshiya Okamura, Meilan Jin, Yukie Saegusa

Toxicol Sci· December 2008

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
P
Possible involvement of oxidative stress in fenofibrate-induced hepatocarcinogenesis in rats.
Jihei Nishimura, Yasuaki Dewa, Toshiya Okamura, Masako Muguruma, Meilan Jin

Arch Toxicol· September 2008

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
I
Induction of characteristic hepatocyte proliferative lesion with dietary exposure of Wistar Hannover rats to tocotrienol for 1 year.
Masako Tasaki, Takashi Umemura, Tomoki Inoue, Toshiya Okamura, Yuichi Kuroiwa

Toxicology· September 2008

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
L
Lack of promotion activity of diacylglycerol oil on 4-nitroquinoline 1-oxide induced carcinogenesis in the oral cavity of SD rats.
Takashi Umemura, Machiko Maeda, Aki Kijima, Yuji Ishii, Masako Tasaki, Toshiya Okamura

Food Chem Toxicol· September 2008

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
C
Combined ascorbic acid and sodium nitrite treatment induces oxidative DNA damage-associated mutagenicity in vitro, but lacks initiation activity in rat forestomach epithelium.
Yuichi Kuroiwa, Masami Yamada, Keiko Matsui, Toshiya Okamura, Yuji Ishii

Toxicol Sci· August 2008

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
B
beta-Naphthoflavone enhances oxidative stress responses and the induction of preneoplastic lesions in a diethylnitrosamine-initiated hepatocarcinogenesis model in partially hepatectomized rats.
Yasuaki Dewa, Jihei Nishimura, Masako Muguruma, Meilan Jin, Yukie Saegusa, Toshiya Okamura

Toxicology· February 2008

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
E
Enhancement of esophageal carcinogenesis in acid reflux model rats treated with ascorbic acid and sodium nitrite in combination with or without initiation.
Yuichi Kuroiwa, Toshiya Okamura, Yuji Ishii, Takashi Umemura, Masako Tasaki

Cancer Sci· January 2008

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
D
Detection of oxidative DNA damage, cell proliferation and in vivo mutagenicity induced by dicyclanil, a non-genotoxic carcinogen, using gpt delta mice.
Takashi Umemura, Yuichi Kuroiwa, Masako Tasaki, Toshiya Okamura, Yuji Ishii

Mutat Res· September 2007

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
D
Development of quantitative analysis of 8-nitroguanine concomitant with 8-hydroxydeoxyguanosine formation by liquid chromatography with mass spectrometry and glyoxal derivatization.
Yuji Ishii, Atsushi Ogara, Toshiya Okamura, Takashi Umemura, Akiyoshi Nishikawa

J Pharm Biomed Anal· April 2007

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis