{"id":"http://purl.obolibrary.org/obo/NCIT_C9506","prefLabel":"Tegafur-Uracil","definition":["A formulated therapeutic oral agent consisting of a combination of the 5-fluorouracil (5-FU) congener prodrug tegafur (tetrahydrofuranyl-5-fluorouracil) and uracil (1:4). The high concentration of uracil reversibly inhibits the uracil-reducing enzyme dihydropyrimidine dehydrogenase (DPD), thereby inhibiting first-pass DPD-mediated hepatic metabolism of the uracil analogue 5-FU and permitting administration of 5-FU as the orally bioavailable prodrug tegafur. Tegafur is bioactivated to 5-FU by liver microsomal cytochrome P450 enzymes. 5-FU is subsequently converted into its active metabolites 5-fluoro-deoxyuridine-monophosphate (FdUMP) and 5-fluorouridine-triphosphate (FUTP) intracellularly; these metabolites inhibit the enzyme thymidylate synthase and intercalate into RNA, resulting in decreased thymidine synthesis, reduced DNA synthesis, disrupted RNA function, and tumor cell cytotoxicity."],"prefixIRI":"NCIT:C9506","label":["Tegafur-Uracil"],"subClassOf":["http://purl.obolibrary.org/obo/NCIT_C2021"],"parents":[{"id":"http://purl.obolibrary.org/obo/NCIT_C2021","prefLabel":"Thymidylate Synthase Inhibitor","definition":["Any substance that inhibits thymidylate synthase, an enzyme that catalyzes the conversion of uridine monophosphate to thymidine monophosphate, the rate-limiting step in de novo production of dTMP. Inhibition of thymidylate synthase causes inhibition of DNA synthesis and cell proloferation."],"prefixIRI":"NCIT:C2021","label":["Thymidylate Synthase Inhibitor"],"subClassOf":["http://purl.obolibrary.org/obo/NCIT_C471"],"prefLabelXl":[],"altLabelXl":[],"hiddenLabelXl":[],"synonym":[],"obsolete":false,"notation":null,"semanticType":[],"cui":[],"xref":null,"inScheme":[],"created":null,"modified":null,"@id":"http://purl.obolibrary.org/obo/NCIT_C2021","@type":"http://www.w3.org/2002/07/owl#Class","links":{"self":"https://data.bioontology.org/ontologies/BERO/classes/http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FNCIT_C2021","ontology":"https://data.bioontology.org/ontologies/BERO","children":"https://data.bioontology.org/ontologies/BERO/classes/http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FNCIT_C2021/children","parents":"https://data.bioontology.org/ontologies/BERO/classes/http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FNCIT_C2021/parents","descendants":"https://data.bioontology.org/ontologies/BERO/classes/http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FNCIT_C2021/descendants","ancestors":"https://data.bioontology.org/ontologies/BERO/classes/http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FNCIT_C2021/ancestors","instances":"https://data.bioontology.org/ontologies/BERO/classes/http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FNCIT_C2021/instances","tree":"https://data.bioontology.org/ontologies/BERO/classes/http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FNCIT_C2021/tree","notes":"https://data.bioontology.org/ontologies/BERO/classes/http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FNCIT_C2021/notes","mappings":"https://data.bioontology.org/ontologies/BERO/classes/http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FNCIT_C2021/mappings","ui":"http://bioportal.bioontology.org/ontologies/BERO?p=classes&conceptid=http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FNCIT_C2021","@context":{"self":"http://www.w3.org/2002/07/owl#Class","ontology":"http://data.bioontology.org/metadata/Ontology","children":"http://www.w3.org/2002/07/owl#Class","parents":"http://www.w3.org/2002/07/owl#Class","descendants":"http://www.w3.org/2002/07/owl#Class","ancestors":"http://www.w3.org/2002/07/owl#Class","instances":"http://data.bioontology.org/metadata/Instance","tree":"http://www.w3.org/2002/07/owl#Class","notes":"http://data.bioontology.org/metadata/Note","mappings":"http://data.bioontology.org/metadata/Mapping","ui":"http://www.w3.org/2002/07/owl#Class"}},"@context":{"@vocab":"http://data.bioontology.org/metadata/","label":"http://www.w3.org/2000/01/rdf-schema#label","prefLabel":"http://www.w3.org/2004/02/skos/core#prefLabel","prefLabelXl":"http://www.w3.org/2008/05/skos-xl#prefLabel","altLabelXl":"http://www.w3.org/2008/05/skos-xl#altLabel","hiddenLabelXl":"http://www.w3.org/2008/05/skos-xl#hiddenLabel","synonym":"http://www.w3.org/2004/02/skos/core#altLabel","definition":"http://www.w3.org/2004/02/skos/core#definition","obsolete":"http://www.w3.org/2002/07/owl#deprecated","notation":"http://www.w3.org/2004/02/skos/core#notation","prefixIRI":"http://data.bioontology.org/metadata/prefixIRI","subClassOf":"http://www.w3.org/2000/01/rdf-schema#subClassOf","semanticType":"http://bioportal.bioontology.org/ontologies/umls/hasSTY","cui":"http://bioportal.bioontology.org/ontologies/umls/cui","xref":"http://www.geneontology.org/formats/oboInOwl#hasDbXref","inScheme":"http://www.w3.org/2004/02/skos/core#inScheme","created":"http://purl.org/dc/terms/created","modified":"http://purl.org/dc/terms/modified","@language":[]}}],"synonym":[],"obsolete":false,"notation":null,"semanticType":[],"cui":[],"xref":null,"inScheme":[],"created":null,"modified":null,"memberOf":[],"altLabelXl":[],"hiddenLabelXl":[],"prefLabelXl":[],"isInActiveScheme":[],"isInActiveCollection":[],"properties":{"http://purl.obolibrary.org/obo/NCIT_P330":["461135"],"http://purl.obolibrary.org/obo/NCIT_NHC0":["C9506"],"https://data.bioontology.org/metadata/def/prefLabel":["Tegafur-Uracil"],"https://data.bioontology.org/metadata/prefixIRI":["NCIT:C9506"],"http://www.geneontology.org/formats/oboInOwl#inSubset":["http://purl.obolibrary.org/obo/NCIT_C63923","http://purl.obolibrary.org/obo/NCIT_C177537","http://purl.obolibrary.org/obo/NCIT_C176424","http://purl.obolibrary.org/obo/NCIT_C128784","http://purl.obolibrary.org/obo/NCIT_C157711","http://purl.obolibrary.org/obo/NCIT_C157712"],"http://purl.obolibrary.org/obo/NCIT_P108":["Tegafur-Uracil"],"http://purl.obolibrary.org/obo/NCIT_P319":["HMI5GR78FR"],"http://www.w3.org/2000/01/rdf-schema#label":["Tegafur-Uracil"],"http://purl.obolibrary.org/obo/IAO_0000115":["A formulated therapeutic oral agent consisting of a combination of the 5-fluorouracil (5-FU) congener prodrug tegafur (tetrahydrofuranyl-5-fluorouracil) and uracil (1:4). The high concentration of uracil reversibly inhibits the uracil-reducing enzyme dihydropyrimidine dehydrogenase (DPD), thereby inhibiting first-pass DPD-mediated hepatic metabolism of the uracil analogue 5-FU and permitting administration of 5-FU as the orally bioavailable prodrug tegafur. Tegafur is bioactivated to 5-FU by liver microsomal cytochrome P450 enzymes. 5-FU is subsequently converted into its active metabolites 5-fluoro-deoxyuridine-monophosphate (FdUMP) and 5-fluorouridine-triphosphate (FUTP) intracellularly; these metabolites inhibit the enzyme thymidylate synthase and intercalate into RNA, resulting in decreased thymidine synthesis, reduced DNA synthesis, disrupted RNA function, and tumor cell cytotoxicity."],"http://purl.obolibrary.org/obo/NCIT_P322":["FDA"],"http://purl.obolibrary.org/obo/NCIT_P375":["Tegafur-Uracil"],"http://purl.obolibrary.org/obo/NCIT_P210":["74578-38-4"],"http://purl.obolibrary.org/obo/NCIT_P175":["719164"],"http://purl.obolibrary.org/obo/NCIT_P399":["461135"],"http://purl.obolibrary.org/obo/NCIT_P366":["Tegafur_Uracil"],"http://www.w3.org/1999/02/22-rdf-syntax-ns#type":["http://www.w3.org/2002/07/owl#Class"],"http://purl.obolibrary.org/obo/NCIT_P325":["A substance being studied in the treatment of some types of cancer. It is a combination of tegafur and uracil. The tegafur is taken up by the cancer cells and breaks down into 5-FU, a substance that kills tumor cells. The uracil causes higher amounts of 5-FU to stay inside the cells and kill them. Tegafur-uracil is a type of antimetabolite."],"http://purl.obolibrary.org/obo/NCIT_A32":["http://purl.obolibrary.org/obo/NCIT_C1909"],"http://www.w3.org/2000/01/rdf-schema#subClassOf":["http://purl.obolibrary.org/obo/NCIT_C2021"],"http://purl.obolibrary.org/obo/NCIT_P329":["461135"],"http://purl.obolibrary.org/obo/NCIT_P106":["Pharmacologic Substance","Nucleic Acid, Nucleoside, or Nucleotide"],"http://purl.obolibrary.org/obo/NCIT_P207":["C1446539"]},"@id":"http://purl.obolibrary.org/obo/NCIT_C9506","@type":"http://www.w3.org/2002/07/owl#Class","links":{"self":"https://data.bioontology.org/ontologies/BERO/classes/http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FNCIT_C9506","ontology":"https://data.bioontology.org/ontologies/BERO","children":"https://data.bioontology.org/ontologies/BERO/classes/http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FNCIT_C9506/children","parents":"https://data.bioontology.org/ontologies/BERO/classes/http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FNCIT_C9506/parents","descendants":"https://data.bioontology.org/ontologies/BERO/classes/http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FNCIT_C9506/descendants","ancestors":"https://data.bioontology.org/ontologies/BERO/classes/http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FNCIT_C9506/ancestors","instances":"https://data.bioontology.org/ontologies/BERO/classes/http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FNCIT_C9506/instances","tree":"https://data.bioontology.org/ontologies/BERO/classes/http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FNCIT_C9506/tree","notes":"https://data.bioontology.org/ontologies/BERO/classes/http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FNCIT_C9506/notes","mappings":"https://data.bioontology.org/ontologies/BERO/classes/http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FNCIT_C9506/mappings","ui":"http://bioportal.bioontology.org/ontologies/BERO?p=classes&conceptid=http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FNCIT_C9506","@context":{"self":"http://www.w3.org/2002/07/owl#Class","ontology":"http://data.bioontology.org/metadata/Ontology","children":"http://www.w3.org/2002/07/owl#Class","parents":"http://www.w3.org/2002/07/owl#Class","descendants":"http://www.w3.org/2002/07/owl#Class","ancestors":"http://www.w3.org/2002/07/owl#Class","instances":"http://data.bioontology.org/metadata/Instance","tree":"http://www.w3.org/2002/07/owl#Class","notes":"http://data.bioontology.org/metadata/Note","mappings":"http://data.bioontology.org/metadata/Mapping","ui":"http://www.w3.org/2002/07/owl#Class"}},"@context":{"@vocab":"http://data.bioontology.org/metadata/","label":"http://www.w3.org/2000/01/rdf-schema#label","prefLabel":"http://www.w3.org/2004/02/skos/core#prefLabel","prefLabelXl":"http://www.w3.org/2008/05/skos-xl#prefLabel","altLabelXl":"http://www.w3.org/2008/05/skos-xl#altLabel","hiddenLabelXl":"http://www.w3.org/2008/05/skos-xl#hiddenLabel","synonym":"http://www.w3.org/2004/02/skos/core#altLabel","definition":"http://www.w3.org/2004/02/skos/core#definition","obsolete":"http://www.w3.org/2002/07/owl#deprecated","notation":"http://www.w3.org/2004/02/skos/core#notation","prefixIRI":"http://data.bioontology.org/metadata/prefixIRI","parents":"http://www.w3.org/2000/01/rdf-schema##<Proc:0x00007f5978e25580 /opt/ontoportal/ontologies_api/shared/bundle/ruby/3.2.0/bundler/gems/ontologies_linked_data-867ff0f5194c/lib/ontologies_linked_data/models/class.rb:67 (lambda)>","subClassOf":"http://www.w3.org/2000/01/rdf-schema#subClassOf","semanticType":"http://bioportal.bioontology.org/ontologies/umls/hasSTY","cui":"http://bioportal.bioontology.org/ontologies/umls/cui","xref":"http://www.geneontology.org/formats/oboInOwl#hasDbXref","inScheme":"http://www.w3.org/2004/02/skos/core#inScheme","created":"http://purl.org/dc/terms/created","modified":"http://purl.org/dc/terms/modified","@language":[]}}