DO_rare_slim Griscelli syndrome Griscelli syndrome type 3 GARD:9715 SNOMEDCT_US_2025_09_01:1254947002 A Griscelli syndrome characterized by isolated silvery gray sheen of the hair and hypopigmentation of the skin that has_material_basis_in mutation in the MLPH or MYO5A genes. DOID:0060834 Griscelli-Prunieras syndrome type 3 MIM:609227 UMLS_CUI:C1836573 ORDO:79478 MESH:C537303 GS3 disease_ontology