期刊
BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR BASIS OF DISEASE
卷 1822, 期 9, 页码 1489-1500出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.bbadis.2012.03.003
关键词
Peroxisome; Conditional knockout; neurodegeneration; PPARalpha; VLCFA; Bile acids
资金
- Fonds Wetenschappelijk Onderzoek Vlaanderen [G.0760.09]
- OT Leuven [08/40]
- European Union [LSHG-CT-2004-512018]
- [ELA2007-0004I4]
Peroxisome biogenesis and peroxisomal beta-oxidation defects are rare inherited metabolic disorders in which several organs can be affected. A panel of mouse models has been created in which genes crucial to these processes were inactivated and the ensuing pathologies studied. In mice with enzyme defects of peroxisomal beta-oxidation, the disease state strongly depends on the kind of substrates that are metabolized by the enzyme and the dietary composition. Because mice with generalized biogenesis defects seldom reach adulthood, conditional knockout models were generated to study the consequences of peroxisome deficiency in hepatocytes, different brain cell types and Sertoli cells. Although the precise relationship between the biochemical anomalies and pathologies was often not resolved, the mouse models allowed to document in detail histological abnormalities, metabolic and gene expression deregulations some of which are mediated by PPAR alpha, and to uncover the essential role of peroxisomes in some unsuspected cell types. This article is part of a Special Issue entitled: Metabolic Functions and Biogenesis of peroxisomes in Health and Disease. (C) 2012 Elsevier B.V. All rights reserved.
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