In line with this, zebrafish has successfully been used as a model for adrenoleukodystrophy (ALD) (Strachan et al., 2017), a devastating disorder based on a defect in ABCD1, the peroxisomal transporter for VLCFA (Engelen et al., 2014). This evidence concerns the gene ABCD1 and X-linked adrenoleukodystrophy.