Journal
BRAIN PATHOLOGY
Volume 20, Issue 4, Pages 831-837Publisher
WILEY
DOI: 10.1111/j.1750-3639.2010.00391.x
Keywords
ALDP; ELOVL; peroxisome; VLCFA
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X-linked adrenoleukodystrophy (X-ALD) is the most common peroxisomal disorder. The disease is characterized by the accumulation of very long-chain fatty acids (VLCFA; > C22) in plasma and tissues. X-ALD is caused by mutations in the ABCD1 gene encoding ALDP, an adenosine triphosphate (ATP)-binding-cassette (ABC) transporter located in the peroxisomal membrane. In this paper, we describe the current knowledge on the function of ALDP, its role in peroxisomal VLCFA beta-oxidation and the consequences of a defect in ALDP on VLCFA metabolism. Furthermore, we pay special attention to the role of the VLCFA elongation system in VLCFA homeostasis, with elongation of very long-chain fatty acids like-1 (ELOVL1) as key player, and its relevance to X-ALD.
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