Table 1.
Mouse models of defects in mitochondrial β-oxidation of fatty acids
Enzyme deficiency | Mouse phenotype | References |
---|---|---|
Carnitine palmitoyl-CoA transferase-1a (liver isoform) | Homozygous lethal in early gestation, heterozygous mice have normal phenotype | Nyman et. al., 2005 (8) |
Carnitine palmitoyl-CoA transferase-1b (muscle isoform) | Homozygous lethal in early gestation, heterozygous mice have normal phenotype | Ji et al., 2008 (9) |
Very long-chain acyl-CoA dehydrogenase deficiency: two independent mouse models | Cardiac phenotype: VLCAD −/− displays milder version of LCAD−/− phenotype; Hepatic and myopathic phenotypes after stress |
Cox et al., 2001 and 2009 (10, 6) Exil et al., 2003 (11) Spiekerkoetter et al., 2004 and 2005 (12, 4) |
Long-chain acyl-CoA dehydrogenase deficiency | Sudden death, gestational loss, fatty change of liver and heart, cold intolerance, | Kurtz et al., 1998 (7), Guerra, et al., 1998 (13) |
Medium-chain acyl-CoA dehydrogenase deficiency | neonatal deaths, fasting intolerance, cold intolerance | Tolwani, et al., 2005 (14) |
Mitochondrial trifunctional protein deficiency (α-subunit deficiency) | Neonatal hypoglycemia, fatty change of liver, necrosis and degeneration of cardiac and diaphragmatic myocytes, lethal | Ibdah et al. 2001 (15) |
Mitochondrial trifunctional protein (β-subunit deficiency) | Viable, no further characterization | Personal communication Arnold Strauss, Cincinnati, USA |
Medium-/short-chain 3-hydroxyacyl-CoA dehydrogenase | Fasting and cold intolerance with development of fatty liver and kidney | Personal communication Arnold Strauss, Cincinnati, USA |