{"code":"C2191","name":"Small Interfering RNA","terminology":"ncit","version":"26.09d","conceptStatus":"DEFAULT","leaf":true,"active":true,"synonyms":[{"name":"siRNA","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CDISC","code":"SDTM-GENSMP"},{"name":"siRNA","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"SMALL INTERFERING RNA","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CDISC","code":"SDTM-SYMTYPGF"},{"name":"Small Interfering RNA","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"siRNA","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Small Interfering RNA","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Small Interfering RNA","type":"Preferred_Name","typeCode":"P108"}],"definitions":[{"definition":"A 20 to 25-nucleotide double-stranded RNA which is involved in a sequence-specific messenger RNA degradation process known as RNA interference.","code":"P325","type":"ALT_DEFINITION","source":"CDISC"},{"definition":"A 20 to 25-nucleotide double-stranded RNA which is involved in a sequence-specific messenger RNA degradation process known as RNA interference.","code":"P97","type":"DEFINITION","source":"NCI"}],"properties":[{"code":"P322","type":"Contributing_Source","value":"CDISC"},{"code":"P366","type":"Legacy Concept Name","value":"Small_Interfering_RNA"},{"code":"P106","type":"Semantic_Type","value":"Nucleic Acid, Nucleoside, or Nucleotide"},{"code":"P207","type":"UMLS_CUI","value":"C1099354"}]}