1. Signaling Pathways
  2. Apoptosis
  3. Thymidylate Synthase

Thymidylate Synthase

Thymidylate synthase (TSase) is a key enzyme in cell proliferation as it catalyzes a reaction essential for DNA replication, a reductive methylation of 2′-deoxyuridine-5′-monophosphate (dUMP) to form 2′-deoxythymidine-5′-monophosphate (dTMP) using the co-substrate N5,N10-methylene-5,6,7,8-tetrahydrofolate (CH2H4F).

The activity and expression of TSase are tightly controlled throughout the cell cycle, particularly at the translational level. The TSase protein itself binds to the TSase mRNA both at the translational start site (TSS) and in the coding region, inhibiting translational processing of the message. TSase can also bind to the mRNA of at least nine other important gene products, including those of p53 and c-myc. Therefore, manipulating the level of the TSase protein could induce a cascade of consequential effects on cell growth. Because of its importance in DNA precursor synthesis and repair, TSase has proved to be an important target for many chemotherapeutic and antibiotic drugs. Structural analogs of dUMP (e.g., fluoropyrimidines) and CH2H4F (e.g., antifolates) are well-established drugs targeting thymidylate synthase.

Thymidylate Synthase Related Products (11):

Cat. No. Product Name Effect Purity
  • HY-10821
    Raltitrexed
    Inhibitor ≥98.0%
    Raltitrexed is an antimetabolite drug used in chemotherapy, acting by inhibiting thymidylate synthase.
  • HY-16478
    Trifluridine/tipiracil hydrochloride mixture
    Inhibitor ≥98.0%
    Trifluridine-tipiracil hydrochloride mixture (TAS-102) is a novel oral combination drug that consists of an antineoplastic thymidine-based nucleoside analog, trifluorothymidine, and a potent thymidine phosphorylase inhibitor, tipiracil, in a 1:0.5 molar ratio.
  • HY-A0061
    Trifluridine
    Inhibitor 99.85%
    Trifluridine (Trifluorothymidine; 5-Trifluorothymidine; TFT) is an irreversible thymidylate synthase inhibitor, and thereby suppresses DNA synthesis. Trifluridine is an antiviral drug for herpes simplex virus (HSV) infection.
  • HY-A0063A
    Tipiracil
    Inhibitor
    Tipiracil is a thymidine phosphorylase (TPase) inhibitor.
  • HY-108474
    Nolatrexed dihydrochloride
    Inhibitor 98.54%
    Nolatrexed dihydrochloride (AG 337) is a non-competitive lipophilic inhibitor of thymidylate synthase, interacts at the folate cofactor binding site of the enzyme, with a Ki of 11 nM for human thymidylate synthase. Nolatrexed dihydrochloride (AG 337) induces cell cycle arrest in S phase of cancer cells. Anti-cancer activity.
  • HY-10822
    Idetrexed
    Inhibitor
    Idetrexed is a thymidylate synthase inhibitor specifically transported into alpha-folate receptor (alpha-FR)-overexpressing tumors. BGC 945 inhibited thymidylate synthase with a Ki of 1.2 nmol/L.
  • HY-109115
    Fosifloxuridine nafalbenamide
    Inhibitor 98.18%
    Fosifloxuridine nafalbenamide (NUC-3373), a pyrimidine nucleotide analogue, is a Thymidylate synthase inhibitor. Fosifloxuridine nafalbenamide has anticancer activity. Fosifloxuridine nafalbenamide has the potential to evoke a host immune response and enhance immunotherapy.
  • HY-10822A
    ONX 0801 trisodium
    Inhibitor
    ONX 0801 (BGC 945) trisodium is a thymidylate synthase (TS) inhibitor, targeted to α-folate receptor–overexpressing tumors.
  • HY-13728B
    (Rac)-Plevitrexed
    Inhibitor
    (Rac)-Plevitrexed ((Rac)-ZD 9331; (Rac)-BGC9331) is a racemate of Plevitrexed. Plevitrexed is an orally active and potent thymidylate synthase (TS) inhibitor.
  • HY-13728
    Plevitrexed
    Inhibitor
    Plevitrexed (ZD 9331; BGC 9331) is an orally active and potent thymidylate synthase (TS) inhibitor with a Ki of 0.44 nM. Plevitrexed is taken up via the α-folate receptor as well as the reduced folate carrier. Plevitrexed is used for gastric cancer in clinical.
  • HY-108474S
    Nolatrexed-d4 dihydrochloride
    Inhibitor
    Nolatrexed-d4 dihydrochloride (AG 337-d4) is the deuterium labeled Nolatrexed dihydrochloride. Nolatrexed dihydrochloride (AG 337) is a non-competitive lipophilic inhibitor of thymidylate synthase, interacts at the folate cofactor binding site of the enzyme, with a Ki of 11 nM for human thymidylate synthase. Nolatrexed dihydrochloride (AG 337) induces cell cycle arrest in S phase of cancer cells. Anti-cancer activity.
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