Antczak et al. recruited a sample of 15 individuals diagnosed with Adrenomyeloneuropathy (AMN) (6 patients with ABCD1 gene variants) as well as simple and complex kinds of HSP (1 patient with HSP3A, 1 with HSP7, 5 with unspecified HSP pure, and 2 with unspecified HSP complex variants). The gene discussed is ABCD1; the disease is hereditary spastic paraplegia.