All<unk> s of<unk><unk>  have distinctive skin and hair coloring.<unk>  1 is associated with neurological abnormalities. These include delayed development, intellectual disability, seizures, hypotonia and eye abnormalities.<unk> <unk>  - unlike<unk>  1 - is not associated with primary neurological disease but is associated with an uncontrolled T lymphocyte expansion and macrophage activation<unk> . It is often associated with the hemophagocytic<unk> . This latter condition may be fatal in the absence of bone marrow transplantation. Persons with<unk>  3 have the typical light skin and hair coloring but are otherwise normal.
Griscelli syndrome type 2
Maroteaux–Lamy syndrome
Gianotti–Crosti syndrome
Laurence–Moon syndrome
Coffin–Siris syndrome
Barakat-Perenthaler syndrome
MODY 1
Rosselli–Gulienetti syndrome