Animal models reveal pathophysiologies of tyrosinemias

被引:15
作者
Endo, F [1 ]
Tanaka, Y
Tomoeda, K
Tanoue, A
Tsujimoto, G
Nakamura, K
机构
[1] Kumamoto Univ, Sch Med, Dept Pediat, Kumamoto 8608556, Japan
[2] Natl Res Inst Child Hlth & Dev, Dept Mol & Cellular Pharmacol, Setagaya Ku, Tokyo 1548567, Japan
关键词
tyrosinemia; apoptosis; animal model mice; hereditary tyrosinemia;
D O I
10.1093/jn/133.6.2063S
中图分类号
R15 [营养卫生、食品卫生]; TS201 [基础科学];
学科分类号
100403 ;
摘要
The activity of the enzyme 4-hydroxyphenylpyruvic acid dioxygenase (HPD) is regulated by transcription factors. Mutations in the HPD locus are related to two known distinct diseases: hereditary tyrosinemia type 3 and hawkinsinuria. HPD-deficient mice are a good model with which to examine the biological effects of 4-hydroxyphenylpyruvic acid, which is a keto acid that causes no apparent visceral damage. In contrast, hereditary tyrosinemia type 1, a genetic disease caused by a deficiency of fumarylacetoacetate hydrolase (FAH), induces severe visceral injuries. Mice with FAH deficiency are lethal after birth; thus, efforts to elucidate the mechanisms of the disease process have been impeded. The use of Fah(-/-) Hpd(-/-) double-mutant mice has enabled studies on tyrosinemias, and essential features of visceral injury have been reveale. J. Nutr. 133: 2063S-2067S, 2003.
引用
收藏
页码:2063S / 2067S
页数:5
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