We next sequenced PTPN11 in DNA samples from 54 patients with the multiple enchondromatosis disorders Ollier disease or Maffucci syndrome , but found no coding sequence PTPN11 mutations .
O O O B-GeneOrGeneProduct O O O O O B-OrganismTaxon O O O B-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature O B-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature O O O O O O B-GeneOrGeneProduct O O