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GENE - CHEMICAL INTERACTIONS REPORT

RGD ID: 62340
Species: Mus musculus
RGD Object: Gene
Symbol: Top2a
Name: topoisomerase (DNA) II alpha
Acc ID: CHEBI:80630
Term: irinotecan
Definition: A member of the class of pyranoindolizinoquinolines that is the carbamate ester obtained by formal condensation of the carboxy group of [1,4'-bipiperidine]-1'-carboxylic acid with the phenolic hydroxy group of (4S)-4,11-diethyl-4,9-dihydroxy-1H-pyrano[3',4':6,7]indolizino[1,2- hydrochloride]quinoline-3,14-dione. Used (in the form of its hydrochloride salt trihydrate) in combination with fluorouracil and leucovorin, for the treatment of patients with metastatic adenocarcinoma of the pancreas after disease progression following gemcitabine-based therapy. It is converted via hydrolysis of the carbamate linkage to its active metabolite, SN-38, which is ~1000 times more active.
Chemical ID: MESH:D000077146
Note: Use of the qualifier "multiple interactions" designates that the annotated interaction is comprised of a complex set of reactions and/or regulatory events, possibly involving additional chemicals and/or gene products.
Object SymbolQualifierEvidenceWithReferenceSourceNotesOriginal Reference(s)
Top2adecreases expressionISOTOP2A (Homo sapiens)6480464CTDIrinotecan metabolite results in decreased expression of TOP2A mRNA; Irinotecan results in decreased expression of TOP2A mRNAPMID:15956246
Top2aincreases response to substanceISOTOP2A (Homo sapiens)6480464CTDTOP2A mRNA results in increased susceptibility to IrinotecanPMID:15239142
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