Introduction of
106-46-7
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1,4-Dichlorobenzene is a non-genotoxic, orally active mitogenic/tumor-promoting carcinogen that is also widely used as a dye, resin intermediate, and deodorant, moth repellent/insecticide. 1,4-Dichlorobenzene induces liver tumors in mice and promotes the growth of spontaneous precancerous lesions, but shows no liver tumor-inducing activity in F344 rats. 1,4-Dichlorobenzene increases the levels of white blood cell count, serum alanine aminotransferase and blood urea nitrogen in occupationally exposed populations. 1,4-Dichlorobenzene is metabolized to 2,5-dichlorophenol and excreted in urine, and this metabolite can serve as a biomarker for 1,4-Dichlorobenzene exposure. Due to its specific hepatotoxic characteristics, 1,4-Dichlorobenzene is applicable to liver cancer-related research[1][2].
In Vitro:1,4-dichlorobenzene undergoes hepatic cytochrome
P450-mediated biotransformation with distinct profiles across male Wistar rats, male F344 rats, male B6C3F1 mice, and female B6C3F1 mice
[2].
In Vivo:1,4-Dichlorobenzene (300-600 mg/kg/day; gavage; 5 days per week; two years) induces liver tumors (hepatocellular adenomas and carcinomas) and nonneoplastic liver lesions in male and female B6C3F
1 mice, with significant tumor increases seen at 600 mg/kg/day in both sexes and 300 mg/kg/day in males
[1].
1,4-Dichlorobenzene (150-300 mg/kg/day; gavage; 5 days per week; two years) induces a dose-related increase in renal tubular cell adenocarcinomas in male
F344 rats[1].
1,4-Dichlorobenzene (gavage; daily; 90 days) induces mitogenic liver growth and hepatocellular proliferation in male and female B6C3F
1 mice, with liver size returning to normal after compound withdrawal
[1].
1,4-Dichlorobenzene (300 ppm; inhalation; continuous; 2 years) increases the incidence of hepatocellular carcinoma and hepatoblastoma in male and female
B6C3F1 mice
[2].
1,4-Dichlorobenzene (1800 mg/kg; i.g.; single dose) induces a 4.5-fold elevation in serum ALT levels in male B6C3F1 mice
[2].
1,4-Dichlorobenzene (300 mg/kg; p.o.; daily; 2 years) induces renal tubular adenocarcinoma and mononuclear cell leukemia in male F344 rats
[2].
1,4-Dichlorobenzene (600 ppm; inhalation; continuous; 13 weeks) increases the frequency of elevated serum ALT levels in male and female
BDF1 mice
[2].
1,4-Dichlorobenzene (inhalation) induces hepatic cell proliferation in male and female
B6C3F1 mice
[2].
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