DO_rare_slim leukocyte adhesion deficiency 3 A leukocyte adhesion deficiency that is characterized by a defect in beta integrins 1, 2, and 3; which impairs the integrin activation cascade and has_material_basis_in mutation in FERMT3 gene on chromosome 11q12. IADD MIM:612840 DOID:0110912 ORDO:99844 disease_ontology LAD1 variant LAD1V LAD3 integrin activation deficiency disease leukocyte adhesion deficiency 1 variant leukocyte adhesion deficiency type III leukocyte adhesion deficiency