Fluoropyrimidine activity (Homo sapiens)
From WikiPathways
Description
The main mechanism of 5-FU activation is conversion to fluorodeoxyuridine monophosphate (FdUMP) which inhibits the enzyme thymidylate synthase (TYMS), an important part of the folate-homocysteine cycle and purine and pyrimidine synthesis The conversion of 5-FU to FdUMP can occur via thymidylate phosphorylase (TYMP) to fluorodeoxyuridine (FUDR) and then by the action of thymidine kinase to FdUMP or indirectly via fluorouridine monophosphate (FUMP) or fluroridine (FUR) to fluorouridine diphosphate (FUDP) and then ribonucleotide reductase action to FdUDP and FdUMP. FUDP and FdUDP can also be converted to FUTP and FdUTP and incorporated into RNA and DNA respectively which also contributes to the pharmacodynamic actions of fluoropyrimidines.
Sources: PharmGKB:Fluoropyrimidine Pharmacokinetics, PharmGKB:Fluoropyrimidine Pharmacodynamics, Wikipedia:Fluorouracil
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Bibliography
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History
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External references
DataNodes
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Name | Type | Database reference | Comment |
---|---|---|---|
5,10-Methylenetetrahydrofolate | Metabolite | 97272 (Chemspider) | |
5-FU | Metabolite | 46345 (ChEBI) | |
5-dFCR | Metabolite | ||
5-dFUR | Metabolite | ||
5-fluorouracil (5-FU) | Metabolite | 46345 (ChEBI) | |
5-hydroxytegafur | Metabolite | ||
ABCC3 | GeneProduct | 8714 (Entrez Gene) | |
ABCC4 | GeneProduct | 10257 (Entrez Gene) | |
ABCC5 | GeneProduct | 10057 (Entrez Gene) | |
ABCG2 | GeneProduct | 9429 (Entrez Gene) | |
Apoptosis | Pathway | WP254 (WikiPathways) | |
CDA | GeneProduct | 978 (Entrez Gene) | |
CES1 | GeneProduct | 1066 (Entrez Gene) | |
CES2 | GeneProduct | 8824 (Entrez Gene) | |
CYP2A6 | GeneProduct | 1548 (Entrez Gene) | |
Capecitabine | Metabolite | 31348 (ChEBI) | |
DHFR | GeneProduct | 1719 (Entrez Gene) | |
DHFU | Metabolite | ||
DNA Repair | Pathway | WP1805 (WikiPathways) | |
DPYD | GeneProduct | 1806 (Entrez Gene) | |
DPYS | GeneProduct | 1807 (Entrez Gene) | |
Dihydrofolate | Metabolite | HMDB01056 (HMDB) | |
ERCC2 | GeneProduct | 2068 (Entrez Gene) | |
FBAL | Metabolite | ||
FPGS | GeneProduct | 2356 (Entrez Gene) | |
FUDP | Metabolite | ||
FUDR | Metabolite | ||
FUMP | Metabolite | 796-66-7 (CAS) | |
FUPA | Metabolite | ||
FUR | Metabolite | ||
FUTP | Metabolite | ||
FUTP | Metabolite | 8430967 (Chemspider) | |
FdUDP | Metabolite | ||
FdUMP | Metabolite | ||
FdUTP | Metabolite | ||
Folate Cycle | Pathway | ||
GGH | GeneProduct | 8836 (Entrez Gene) | |
Leucovorin | Metabolite | ||
MTHFR | GeneProduct | 4524 (Entrez Gene) | |
PPAT | GeneProduct | 5471 (Entrez Gene) | |
RRM1 | GeneProduct | 6240 (Entrez Gene) | |
RRM2 | GeneProduct | 6241 (Entrez Gene) | |
SLC22A7 | GeneProduct | 10864 (Entrez Gene) | |
SLC29A1 | GeneProduct | 2030 (Entrez Gene) | |
SMUG1 | GeneProduct | 23583 (Entrez Gene) | |
TDG | GeneProduct | 6996 (Entrez Gene) | |
TK1 | GeneProduct | 7083 (Entrez Gene) | |
TP53 | GeneProduct | 7157 (Entrez Gene) | |
TYMP | GeneProduct | 1890 (Entrez Gene) | |
TYMS | GeneProduct | 7298 (Entrez Gene) | |
Tegafur | Metabolite | 5193 (Chemspider) | |
UCK1 | GeneProduct | 83549 (Entrez Gene) | |
UCK2 | GeneProduct | 7371 (Entrez Gene) | |
UMPS | GeneProduct | 7372 (Entrez Gene) | |
UPB1 | GeneProduct | 51733 (Entrez Gene) | |
UPP1 | GeneProduct | 7378 (Entrez Gene) | |
UPP2 | GeneProduct | 151531 (Entrez Gene) | |
XRCC3 | GeneProduct | 7517 (Entrez Gene) | |
dTMP | Metabolite | HMDB01056 (HMDB) | |
dUMP | Metabolite | HMDB01409 (HMDB) |
Annotated Interactions
No annotated interactions