Review Article
ABC Transporter Subfamily D: Distinct Differences in Behavior between ABCD1–3 and ABCD4 in Subcellular Localization, Function, and Human Disease
Table 1
Clinical forms of X-ALD.
| Phenotype | Ratio (%) | Age of onset |
| Cerebral ALD | | | Childhood cerebral ALD | ~38 | 3–10 | Adolescent cerebral ALD | ~7 | 11–21 | Adult cerebral ALD | ~5 | 21~ | Adrenomyeloneuropathy (AMN) | ~50 | 20–30 | Addison’s only | | |
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