Inborn error of lipid metabolism
Numerous genetic disorders are caused by errors in fatty acid metabolism. These disorders may be described as fatty oxidation disorders or as a lipid storage disorders, and are any one of several inborn errors of metabolism that result from enzyme defects affecting the ability of the body to oxidize fatty acids in order to produce energy within muscles, liver, and other cell types.
| Inborn error of lipid metabolism | |
|---|---|
 | |
| Several fatty acid molecules | |
| Specialty | Endocrinology  |
Some of the more common fatty acid metabolism disorders are:
Coenzyme A dehydrogenase deficiencies
- Very long-chain acyl-coenzyme A dehydrogenase deficiency (VLCAD) - Very long-chain acyl-coenzyme A dehydrogenase
- Long-chain 3-hydroxyacyl-coenzyme A dehydrogenase deficiency (LCHAD) - Long-chain 3-hydroxyacyl-coenzyme A
- Medium-chain acyl-coenzyme A dehydrogenase deficiency (MCAD) - Medium-chain acyl-coenzyme A dehydrogenase
- Short-chain acyl-coenzyme A dehydrogenase deficiency (SCAD) - Short-chain acyl-coenzyme A dehydrogenase
- 3-hydroxyacyl-coenzyme A dehydrogenase deficiency (HADH) - 3-hydroxyacyl-coenzyme A dehydrogenase
Other Coenzyme A enzyme deficiencies
- 2,4 Dienoyl-CoA reductase deficiency - 2,4 Dienoyl-CoA reductase
- 3-hydroxy-3-methylglutaryl-CoA lyase deficiency - 3-hydroxy-3-methylglutaryl-CoA lyase
- Malonyl-CoA decarboxylase deficiency - Malonyl-CoA decarboxylase
Carnitine related
- Primary carnitine deficiency - SLC22A5 (carnitine transporter)
- Carnitine-acylcarnitine translocase deficiency - Carnitine-acylcarnitine translocase
- Carnitine palmitoyltransferase I deficiency (CPT) - Carnitine palmitoyltransferase I
- Carnitine palmitoyltransferase II deficiency (CPT) - Carnitine palmitoyltransferase II
Lipid storage
Other
- Spinal muscular atrophy[1][2]
- Mitochondrial trifunctional protein deficiency
- Electron transfer flavoprotein (ETF) dehydrogenase deficiency (GAII & MADD)
- Tangier disease
- Acute fatty liver of pregnancy
References
- Tein, I.; Sloane, A. E.; Donner, E. J.; Lehotay, D. C.; Millington, D. S.; Kelley, R. I. (1995). "Fatty acid oxidation abnormalities in childhood-onset spinal muscular atrophy: Primary or secondary defect(s)?". Pediatric Neurology. 12 (1): 21–30. doi:10.1016/0887-8994(94)00100-G. PMID 7748356.
- Crawford, T. O.; Sladky, J. T.; Hurko, O.; Besner-Johnston, A.; Kelley, R. I. (1999). "Abnormal fatty acid metabolism in childhood spinal muscular atrophy". Annals of Neurology. 45 (3): 337–343. doi:10.1002/1531-8249(199903)45:3<337::AID-ANA9>3.0.CO;2-U. PMID 10072048.
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