assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:11198 IAO:0000115 A syndrome that has_material_basis_in a large deletion of the chromosome 22q11.2 region which includes the DGS gene needed for development of the thymus and related glands with subsequent lack of T-cell production. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007643""},{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007646""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=gnd&part=digeorgesyndrome""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://ghr.nlm.nih.gov/condition/22q112-deletion-syndrome""}]}"