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CAS No. : 25843-45-2
MCE 国际站:Azoxymethane
产品活性:Azoxymethane 是一种结肠致癌物质,可导致 DNA 加合物的形成。
研究领域:Cell Cycle/DNA Damage
作用靶点:DNA Alkylator/Crosslinker
In Vitro: Azoxymethane is a colon carcinogen which leads to the formation of DNA adducts. On an equal protein basis, hepatic microsomes are much more active than SI and colon microsomes in NADPH-dependent Azoxymethane bioactivation and N7-mG adduct formation. Hepatic microsomes show the highest activity in the hydroxylation of Azoxymethane, followed by SI and colon microsomes.
In Vivo: Azoxymethane can be used in animal modeling to construct tumor models.
Regardless of the strain, the amounts of O6-mG and N7-mG produced by Azoxymethane are highest in the liver, followed by proximal and distal colons, which have similar levels, and then by duodenum, jejunum and ileum. Results indicate that the Azoxymethane-induced DNA adduct formation in the SI and colon does not depend on bioactivation by hepatic P450 enzymes. Irrespective of the mouse strain, no aberrant crypt foci (ACF) is detected in the colons of saline-treated mice; in contrast, colonic ACF is detected in all three strains of Azoxymethane-treated mice. The Azoxymethane-treated athymic mice have approximately an 11-fold lower tumor incidence than similarly treated WT animals.
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