1. Signaling Pathways
  2. Cell Cycle/DNA Damage
  3. Topoisomerase
  4. Topo I Isoform
  5. Topo I Inhibitor

Topo I Inhibitor

Topo I Inhibitors (90):

Cat. No. Product Name Effect Purity
  • HY-14821
    Namitecan
    Inhibitor 99.25%
    Namitecan is a potent topoisomerase I inhibitor, with antitumor property.
  • HY-148058
    Topoisomerase I inhibitor 8
    Inhibitor
    Topoisomerase I inhibitor 8 is a potent topoisomerase I inhibitor. Topoisomerase I inhibitor 8 is a hexacyclic analogue of camptothecin, and displays cytotoxic effect against tumor cells.
  • HY-13622
    Elomotecan hydrochloride
    Inhibitor
    Elomotecan hydrochloride (BN 80927) is a potent inhibitor of topoisomerases I and II. Elomotecan hydrochloride (BN 80927) is a camptothecin analog belonging to the homocamptothecin family (hCPT). Elomotecan hydrochloride (BN 80927) reduces the proliferation of different tumor cells with higher potency than other anticancer agents of reference targeting topoisomerases I and II.
  • HY-N10495
    Seconeolitsine
    Inhibitor
    Seconeolitsine, an antibiotic, and is an inhibitor of targeting topoisomerase I (TopA). Seconeolitsine also is a new antimicrobial agent that can inhibit S. pneumoniae growth. Seconeolitsine can inhibit TopA relaxation activity with an IC50 value of 17 μM. Seconeolitsine can be used for the research of S. pneumoniae infections resistant to other antibiotics.
  • HY-19637
    SW044248
    Inhibitor 99.60%
    SW044248 is a non-canonical topoisomerase I inhibitor, and selectively toxic for certain non-small cell lung cancer (NSCLC) cell lines.
  • HY-13768
    Topotecan
    Inhibitor
    Topotecan (SKF 104864A; NSC 609669) is an orally active and potent Topoisomerase I inhibitor. Topotecan induces cell cycle arrest in G0/G1 and S phases and promotes apoptosis. Topotecan shows anticancer activity.
  • HY-15142A
    Doxorubicin
    Inhibitor
    Doxorubicin (Hydroxydaunorubicin), a broad-spectrum anthracycline antibiotic with cytotoxic properties, is an anti-cancer chemotherapy agent. Doxorubicin has fluorescence properties. Doxorubicin inhibits topoisomerase II with an IC50 of 2.67 μM, thus stopping DNA replication. Doxorubicin reduces basal phosphorylation of AMPK and its downstream target acetyl-CoA carboxylase. Doxorubicin induces apoptosis and autophagy. Doxorubicin inhibits human DNA topoisomerase I with an IC50 of 0.8 μM.
  • HY-107096
    CH-0793076
    Inhibitor
    CH-0793076 (TP3076), a hexacyclic camptothecin analog, is active drug and major metabolite of TP300. CH-0793076 inhibits DNA topoisomerase I with an IC50 of 2.3 μM. CH-0793076 is efficacious against cells expressing BCRP (breast cancer resistance protein).
  • HY-13618
    Edotecarin
    Inhibitor 98.39%
    Edotecarin is a potent inhibitor of topoisomerase I that can induces single-strand DNA cleavage, with IC50 of 50 nM.
  • HY-107096B
    CH-0793076 TFA
    Inhibitor 98.71%
    CH-0793076 (TP3076) TFA, a hexacyclic camptothecin analog, is active drug and major metabolite of TP300. CH-0793076 TFA inhibits DNA topoisomerase I with an IC50 of 2.3 μM. CH-0793076 TFA is efficacious against cells expressing BCRP (breast cancer resistance protein).
  • HY-106410
    Zabofloxacin
    Inhibitor 98.02%
    Zabofloxacin (DW-224a Free base) is a potent and seletive inhibitor of the bacterial type II and IV topoisomerases. Zabofloxacin has excellent activity against gram-positive pathogens including Steptococcus aureus, Streptococcus pyogenes and S.pneumonia. Zabofloxacin is a novel fluoronaphthyridone quinolone that is considered as an alternative antibiotic for treatment of quinolone-susceptible (QSSP) and quinolone-resistant gonorrhea (QRSP).
  • HY-106410A
    Zabofloxacin hydrochloride
    Inhibitor 99.54%
    Zabofloxacin hydrochloride (DW-224a) is a potent and seletive inhibitor of the bacterial type II and IV topoisomerases. Zabofloxacin hydrochloride has excellent activity against gram-positive pathogens including Steptococcus aureus, Streptococcus pyogenes and S.pneumonia. Zabofloxacin hydrochloride is a novel fluoronaphthyridone quinolone that is considered as an alternative antibiotic for treatment of quinolone-susceptible (QSSP) and quinolone-resistant gonorrhea (QRSP).
  • HY-13758
    TAS-103
    Inhibitor
    TAS-103 is a dual inhibitor of DNA topoisomerase I/II, used for cancer research.
  • HY-13768C
    Topotecan hydrochloride hydrate
    Inhibitor
    Topotecan hydrochloride hydrate is an orally active and potent Topoisomerase I inhibitor. Topotecan hydrochloride hydrate induces cell cycle arrest in G0/G1 and S phases and promotes apoptosis. Topotecan hydrochloride hydrate shows anticancer activity.
  • HY-19825
    Rebeccamycin
    Inhibitor
    Rebeccamycin, an antitumor antibiotic, inhibits DNA topoisomerase I. Rebeccamycin appears to exert its primary antineoplastic effect by poisoning topoisomerase I and has negligible effect on protein kinase C and topoisomerase II.
  • HY-146094
    Antitumor agent-63
    Inhibitor
    Antitumor agent-63 (Compound 40), a 20 (S)-O-linked camptothecin (CPT) glycoconjugate, is an antitumor agent without toxicity towards normal cells. Antitumor agent-63 shows high stability and very weak direct topoisomerase I (Topo I) inhibition.
  • HY-16055
    Silatecan
    Inhibitor
    Silatecan (AR-67; DB 67) is a Camptothecin (HY-16560) analogue with improved stability and lipophilicity. Silatecan is an inhibitor for topoisomerase I, that inhibits the DNA replication and transcription, and exhibits antitumor and radiosensitizing activities
  • HY-150685
    Topo I/COX-2-IN-1
    Inhibitor
    Topo I/COX-2-IN-1 (1H-30) is a potential Topo I/COX-2 inhibitor. Topo I/COX-2-IN-1 inhibits COX-2 and Topo I with the IC50 value of 0.24 μM and 4.42 μM, respectively. Topo I/COX-2-IN-1 can induce apoptosis and inhibit migration of cancer cells, has anti-cancer activity.
  • HY-125930A
    T-2513 hydrochloride
    Inhibitor
    T-2513 hydrochloride is a selective topoisomerase I inhibitor. T-2513 hydrochloride binds covalently to and stabilizes the topoisomerase I-DNA complex and inhibits DNA replication and RNA synthesis, ultimately leading to cell death.
  • HY-150755
    Topo I/COX-2-IN-2
    Inhibitor
    Topo I/COX-2-IN-2 (Compound W10) is a potent dual-target inhibitor of Topo I and COX-2 with IC50 values of 0.90 μM and 2.31 μM, respectively. Topo I/COX-2-IN-2 induces cancer cell apoptosis through the mitochondrial pathway.