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Catalog No.
Product Name
Application
Product Information
Citations
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Topoisomerase Inhibitor
Netropsin is a small-molecule minor-groove binder that functions as a topoisomerase inhibitor. It effectively inhibits the catalytic activity of isolated topoisomerase, disrupting the stabilization of cleavable complexes associated with both topoisomerase I and II. Additionally, Netropsin exhibits antibacterial and antiviral properties, making it a valuable tool for research in the fields of microbiology and virology. -
Topoisomerase II/DNA Polymerase Inhibitor
Epolactaene is a potent inhibitor of Topoisomerase II and DNA Polymerases, exhibiting IC50 values of 10 µM for Topoisomerase II, 25 µM for DNA Polymerase α, and 94 µM for DNA Polymerase β. Its ability to interfere with these key enzymes makes Epolactaene valuable for studying DNA replication and repair mechanisms. This compound is suitable for research applications involving cancer biology and the investigation of DNA-targeting therapies. -
Topoisomerase I Inhibitor
Topoisomerase I inhibitor 11 is a potent inhibitor of Topoisomerase I, a key enzyme involved in DNA replication and repair. This compound disrupts the enzyme's catalytic activity, leading to the accumulation of DNA damage and ultimately inducing apoptosis in cancer cells. Topoisomerase I inhibitor 11 is primarily utilized in cancer research, particularly for studying mechanisms of drug resistance and the therapeutic potential of targeting Topoisomerase I in various malignancies. -
Topoisomerase inhibitor
Cerubidine (Daunorubicin HCl, Rubidomycin HCl) interacts with DNA by intercalation and inhibition of macromolecular biosynthesis. This inhibits the progression of the enzyme topoisomerase II, which relaxes supercoils in DNA for transcription. It stabilizes the topoisomerase II complex after it has broken the DNA chain for replication, preventing the DNA double helix from being resealed and thereby stopping the process of replication.
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Topoisomerase II inhibitor
Epirubicin is a cell-permeable anthracycline antitumor antibiotic. It is a stereoisomer(4?€?-epi-isomer) of doxorubicin that exhibits reduced cardiotoxicity. It is used to inhibit topoisomerase II and DNA helicase activity. -
DNA gyrase/topoisomerase IV inhibitor
Gatifloxacin is a fluoroquinolone antibiotic which inhibits bacterial DNA gyrase (IC50 = 0.109 ng/ml) and topoisomerase IV (IC50 = 13.8 ng/ml). -
Topoisomerase inhibitor
Marbofloxacin is a potent antibiotic of the 3rd generation fluoroquinolone group and acts by inhibiting bacterial DNA replication. -
Topoisomerase inhibitor
Norfloxacin(Norxacin) is a broad-spectrum antibiotic. -
Topoisomerase inhibitor
Ofloxacin is a synthetic broad-spectrum antimicrobial agent. -
DNA topoisomerase I inhibitor
Topotecan HCl (Hycamtin) is a chemotherapeutic agent that is a topoisomerase inhibitor. -
DNA gyrase/topoisomerase inhibitor
Zoliflodacin (ETX0914;AZD0914) is a novel spiropyrimidinetrione bacterial DNA gyrase/topoisomerase inhibitor. -
Topoisomerase IV Inhibitor
Ciprofloxacin is a potent topoisomerase IV inhibitor that demonstrates significant antibacterial activity as a fluoroquinolone antibiotic. It induces both mitochondrial and nuclear DNA damage, leading to mitochondrial dysfunction and increased reactive oxygen species (ROS) production. Ciprofloxacin exhibits anti-proliferative properties and triggers apoptotic pathways, making it a valuable tool for research applications focused on bacterial infections, oxidative stress, and cancer biology. -
Topoisomerase I Inhibitor
Irinotecan hydrochloride is a potent inhibitor of topoisomerase I, an enzyme crucial for DNA replication and transcription. This compound exhibits significant anti-tumor activity, primarily in the treatment of colorectal cancers. Its mechanism involves the stabilization of the enzyme-DNA complex, leading to apoptosis in cancer cells. Irinotecan hydrochloride is widely utilized in cancer research to elucidate cellular response mechanisms and to develop novel therapeutic strategies. -
Topoisomerase IIα Inhibitor
Topoisomerase II-IN-24 is a selective inhibitor of Topoisomerase IIα, exhibiting an IC50 of 41.67 μM. This compound has been shown to effectively inhibit the proliferation of cancer cells while inducing G2/M phase arrest and promoting apoptosis. Topoisomerase II-IN-24 is valuable for research focusing on cancer biology, particularly in the study of colon cancer. -
Topoisomerase I/II Inhibitor
Topoisomerase I/II Inhibitor 8 is a dual-target inhibitor that effectively disrupts the function of both Topoisomerase I and II, leading to DNA damage. This compound activates PARP-1, which in turn stimulates the necroptotic pathway via RIPK1, RIPK3, and MLKL signaling. Exhibiting significant anticancer properties, Topoisomerase I/II Inhibitor 8 induces cell death in cancer cells, presenting a promising approach to overcome drug resistance in cancer therapies. -
Topoisomerase I Inhibitor
Topoisomerase I Inhibitor 2 targets DNA topoisomerase I (Top1) with high specificity, effectively inhibiting its activity and leading to DNA damage. This compound not only induces apoptosis but also disrupts the G2/M phase of the cell cycle, thereby exhibiting significant anti-tumor effects. Its properties make it a valuable tool for cancer research and therapeutic studies focused on DNA damage response mechanisms. -
Topoisomerases Inhibitor
Pyrazoloacridine is a potent inhibitor of topoisomerases 1 and 2, functioning as an intercalating agent with notable anti-cancer activity. This compound demonstrates cytotoxicity in K562 myeloid leukemia cells, exhibiting an IC50 of 1.25 μM following a 24-hour treatment. Pyrazoloacridine is primarily utilized in cancer research to explore mechanisms of tumor cell proliferation and resistance. -
Topoisomerase II Inhibitor
Etoposide phosphate disodium is a selective inhibitor of topoisomerase II, acting as a potent anti-cancer agent. This phosphate ester prodrug of etoposide effectively prevents the re-ligation of DNA strands, leading to cell cycle arrest, apoptosis, and autophagy in cancer cells. It is utilized in cancer research for its ability to induce programmed cell death and its therapeutic implications in chemotherapy. -
Topoisomerase II Inhibitor
Daunorubicin citrate is a potent inhibitor of topoisomerase II, exerting significant anti-tumor activity. This cytotoxic agent interferes with DNA and RNA synthesis, leading to reduced cancer cell viability and the induction of apoptosis and necrosis. As an anthracycline antibiotic, daunorubicin citrate is utilized in research related to various cancers, including leukemia, non-Hodgkin lymphomas, Ewing's sarcoma, and Wilms' tumor, as well as studies on infectious diseases. -
Topoisomerase II Inhibitor
Topoisomerase II inhibitor 11 is a potent inhibitor of topoisomerase II, exhibiting an IC50 of 2.89 μM. It demonstrates significant antiproliferative activity, achieving 92.46% inhibition in the renal cancer cell line A498 with an IC50 of 3.5 μM. This compound induces cell cycle arrest at the G2/M phase, ultimately leading to inhibited cell proliferation and pro-apoptotic effects, making it an important tool for cancer research. -
Topoisomerase Inhibitor
Cholesteryl hemisuccinate is a topoisomerase inhibitor with notable hepatoprotective and anticancer properties. It effectively mitigates acetaminophen-induced hepatotoxicity by preventing hepatic apoptosis and necrosis. Additionally, cholesteryl hemisuccinate interferes with DNA replication and repair mechanisms by inhibiting DNA polymerase and DNA topoisomerase, ultimately leading to reduced tumor growth. This compound is suitable for applications in cancer research and liver protection studies. -
Topoisomerase II Inhibitor
Etoposide phosphate is a selective inhibitor of topoisomerase II, instrumental in disrupting DNA re-ligation processes. As the phosphate ester proagent of etoposide, it exhibits potent anti-cancer activity by inducing cell cycle arrest, apoptosis, and autophagy in cancer cells. This compound is primarily employed in cancer research to explore mechanisms of action and potential therapeutic strategies in oncology. -
Topoisomerase II Inhibitor
ICRF-193 is a potent inhibitor of DNA Topoisomerase II, disrupting DNA synthesis and inducing apoptosis in cancer cells. This compound exhibits significant anti-cancer and anti-inflammatory activities, making it valuable for research in oncology and inflammation. Additionally, ICRF-193 demonstrates cardioprotective properties against anthracycline-induced toxicity in cardiomyocytes. It is particularly relevant for studies focusing on acute promyelocytic leukemia, as well as broader investigations into cancer, infection, inflammation, and cardiovascular conditions. -
HDAC/Top Inhibitor
HDAC/Top-IN-1 is a potent dual inhibitor targeting histone deacetylases (HDACs) and topoisomerases, with IC50 values of 0.036 μM, 0.14 μM, 0.059 μM, 0.089 μM, and 9.8 μM for HDAC1, HDAC2, HDAC3, HDAC6, and HDAC8, respectively. This compound effectively induces apoptosis and S phase cell-cycle arrest in HEL cells, demonstrating its antiproliferative properties. Additionally, HDAC/Top-IN-1 exhibits significant in vivo antitumor efficacy, making it a valuable tool for cancer research applications. -
Topoisomerase Inhibitor
Aclacinomycin A hydrochloride is a potent anthracycline antitumor antibiotic that primarily targets topoisomerase I and II. This compound inhibits nucleic acid synthesis, particularly RNA, and may also affect the 26S protease complex along with ubiquitin-ATP-dependent proteolysis. Due to its mechanisms of action, Aclacinomycin A hydrochloride serves valuable applications in cancer research and the study of cellular processes involving nucleic acids and proteolytic pathways. -
DNA Topoisomerase I Inhibitor
Isodiospyrin is a natural dimeric naphthoquinone that functions as an inhibitor of human DNA topoisomerase I. By blocking DNA relaxation and the kinase activities of this enzyme, Isodiospyrin exhibits significant anticancer, antibacterial, and antifungal properties. This compound is valuable for research applications focused on cancer therapy and microbial resistance. -
DNA Topoisomerase II/Topoisomerase I Inhibitor
Eupolauridine is a selective inhibitor of DNA topoisomerase II, showing inhibitory concentrations (IC50) of 20 μM for fungal topoisomerase I and 33 μM for human topoisomerase I. This compound exerts antifungal activity by impairing the catalytic function of topoisomerase II and stabilizing its cleavage complex with DNA, resulting in DNA damage. Eupolauridine holds potential for research applications in the study of fungal infectious diseases. -
Topoisomerase I/II Inhibitor
Luotonin A is a potent inhibitor of topoisomerase I and II. It exhibits significant antiviral activity against tobacco mosaic virus (TMV) and demonstrates antitumor properties. This compound is valuable for research applications in virology and oncology, providing insights into enzyme inhibition and potential therapeutic strategies against viral infections and cancer. -
Topoisomerase II Inhibitor
Amrubicin hydrochloride is a potent inhibitor of DNA topoisomerase II, a key enzyme involved in DNA replication and repair. This compound exhibits significant antitumor activity and has been studied for its efficacy in various cancer models. It is utilized in research to explore mechanisms of action in chemotherapy and to evaluate potential therapeutic strategies against tumors. -
Type IIA Topoisomerases Inhibitor
GSK945237 is a potent inhibitor of bacterial type IIA topoisomerases, exhibiting strong bactericidal activity. It demonstrates broad-spectrum efficacy against both Gram-positive and Gram-negative bacteria, with an IC50 of 0.034 μg/mL against Helicobacter influenzae DNA gyrase. In vivo studies indicate significant effectiveness in a rat model of respiratory tract infection, highlighting its potential applications in anti-infection research. -
Topoisomerase II Inhibitor
CP-67015 is a potent topoisomerase II inhibitor that exhibits direct mutagenic effects in mammalian cells, impacting both gene and chromosomal levels. As a quinolone antibiotic, it demonstrates significant biological activity, making it a valuable tool for researchers investigating DNA manipulation and repair mechanisms. CP-67015 is suitable for studies focused on the role of topoisomerase II in cellular processes and the effects of targeted DNA damage. -
Topoisomerase Inhibitor
(1R,2S,7R)-Sitafloxacin is a potent inhibitor of topoisomerases, specifically targeting DNA gyrase with an IC50 of 0.18 μg/mL. This stereoisomer's activity highlights its potential in elucidating the role of topoisomerase-mediated DNA manipulation in various biological processes. It serves as a valuable tool in molecular and cellular research applications focusing on DNA replication and repair mechanisms. -
DNA Topoisomerase Inhibitor
(5-Cl)-Exatecan is a potent inhibitor of DNA topoisomerase, primarily utilized in cancer research settings. This compound functions as an antibody-drug conjugate (ADC) cytotoxin, targeting and disrupting the DNA replication process in cancer cells. Its efficacy in selectively inducing cytotoxicity makes it a valuable tool for studying cancer therapeutics and exploring the mechanisms of drug resistance. -
Topoisomerase Inhibitor
MC-DOXHZN (hydrochloride) is a topoisomerase II inhibitor that serves as an albumin-binding proagent of Doxorubicin. This compound features acid-sensitive properties, enabling it to selectively release Doxorubicin in tumor microenvironments. MC-DOXHZN is particularly valuable for antibody-drug conjugate (ADC) synthesis, facilitating targeted cancer therapies. Its unique mechanism enhances the potential for effective treatment strategies in oncology research. -
TROP2 Directed Agent, Topoisomerase I Inhibitor
Sacituzumab tirumotecan is an antibody-drug conjugate that functions as a TROP2-directed agent and a topoisomerase I inhibitor. With a TROP2 EC50 of 2.787 ng/ml and a topoisomerase I IC50 of 0.7 μmol/L, it effectively delivers its cytotoxic payload to target cells. This compound is utilized in research focusing on metastatic triple-negative breast cancer and metastatic non-small cell lung cancer, making it crucial for studies aimed at understanding treatment mechanisms and therapeutic efficacy in these challenging malignancies. -
Topoisomerase Inhibitor
(4-NH2)-Exatecan is a topoisomerase inhibitor and a derivative of Exatecan. It exhibits significant biological activity by disrupting the DNA replication process, making it a valuable tool in cancer research. Additionally, (4-NH2)-Exatecan is suitable for the synthesis of antibody-drug conjugates (ADCs), facilitating targeted therapeutic applications in oncology. -
Topoisomerase I Inhibitor
NH2-bicyclo[1.1.1]pentane-7-MAD-MDCPT is a topoisomerase I inhibitor that effectively interferes with DNA replication and transcription by stabilizing the DNA-enzyme complex. This compound demonstrates significant potential in antibody-drug conjugate (ADC) applications, showing efficient delivery to cells for targeted therapy. Its efficacy has been validated in both in vivo and in vitro models, making it a valuable tool for cancer research and therapeutic development. -
DNA Topoisomerase I Inhibitor
Ac-Exatecan is an acetylation-modified derivative of Exatecan, primarily functioning as an inhibitor of DNA Topoisomerase I, with an IC50 of 2.2 μM. This compound exhibits significant antitumor activity, making it a valuable payload for antibody-drug conjugate (ADC) applications. Ac-Exatecan is particularly effective against cells with P-glycoprotein-mediated multidrug resistance, offering potential in overcoming therapeutic challenges associated with resistant tumor types. -
DNA topoisomerase I Inhibitor
(αR)-Cyclopropaneacetamide-Exatecan is a potent inhibitor of DNA topoisomerase I, exhibiting enhanced membrane permeability with an IC50 value of 1.34 μM against the human enzyme. This compound induces cytotoxicity through the suppression of topoisomerase I activity, displaying anticancer effects that are independent of HER2 expression levels. Derived from Exatecan, (αR)-Cyclopropaneacetamide-Exatecan serves as an antibody-drug conjugate cytotoxin and is applicable in research on various advanced cancers, including breast, gastric, colorectal, and non-small cell lung cancers. -
Topoisomerase Inhibitor
Mal-Exatecan is a maleimide-modified derivative of Exatecan, acting primarily as a DNA topoisomerase I inhibitor. This compound demonstrates potent antitumor activity by stabilizing the topoisomerase-DNA complex, leading to DNA strand breaks and subsequent cell death in rapidly dividing cancer cells. Mal-Exatecan is primarily utilized in cancer research to explore therapeutic strategies targeting topoisomerase I. -
DNA topoisomerase I Inhibitor
DRF-1042 is a potent inhibitor of DNA topoisomerase I, derived from Camptothecin. It demonstrates significant anticancer activity against a diverse range of human cancer cell lines, including those exhibiting multi-drug resistance (MDR). This compound is valuable for research applications focused on cancer therapeutics and the mechanisms of resistance in tumor cells. -
Topoisomerase I Inhibitor
Exatecan mesylate dihydrate is a potent inhibitor of DNA topoisomerase I, exhibiting an IC50 of 2.2 μM (0.975 μg/mL). This compound is particularly relevant in cancer research, as it interferes with DNA relaxation during replication, subsequently leading to apoptosis in rapidly dividing cells. Its application extends to various studies focused on chemotherapeutic mechanisms and the development of novel anti-cancer therapies. -
DNA topoisomerase I Inhibitor
Rebeccamycin is a potent inhibitor of DNA topoisomerase I, a key enzyme involved in DNA replication and transcription. This antitumor antibiotic primarily exerts its cytotoxic effects by stabilizing the topoisomerase I-DNA cleavage complex, leading to DNA damage and apoptosis in cancer cells. Rebeccamycin shows minimal activity against protein kinase C and topoisomerase II, making it a selective agent for research in cancer biology and therapeutic development. -
Topoisomerase I Inhibitor
Exatecan hydrochloride is a potent inhibitor of DNA topoisomerase I, exhibiting an IC50 value of 2.2 μM (0.975 μg/mL). This compound is primarily utilized in cancer research, facilitating investigations into the mechanisms of tumor cell proliferation and survival by disrupting the topological state of DNA during replication. Its activity makes it a valuable tool for exploring therapeutic options and treatment strategies in oncology. -
Topoisomerase I Inhibitor
Exatecan analog 38 is a potent topoisomerase I inhibitor derived from camptothecin. This compound exhibits significant cytotoxicity against various cancer cell lines, making it a valuable tool for oncology research. Exatecan analog 38 can be utilized in the development of antibody-drug conjugates (ADCs) by conjugating it to monoclonal antibodies through linkers, enhancing targeted therapeutic applications. -
Topoisomerase I Inhibitor
LD2-3 is a potent inhibitor of topoisomerase I, an enzyme crucial for DNA replication and transcription. This compound can be conjugated to monoclonal antibodies via linkers to create antibody-drug conjugates (ADCs), facilitating targeted therapy applications. LD2-3 is particularly suited for use in studies involving carcinoembryonic antigen (CEA) overexpressing tumors, enabling researchers to explore its efficacy in a precision oncology context. -
DNA Gyrase/Topoisomerase Inhibitor
Levofloxacin mesylate is a potent DNA gyrase and topoisomerase IV inhibitor. As an orally active antibiotic, it exhibits significant antibacterial activity against both Gram-positive and Gram-negative bacteria. This compound is applicable in various research contexts, including studies on chronic periodontitis, airway inflammation, and BK viremia. Additionally, levofloxacin mesylate demonstrates anti-orthopoxvirus properties, making it valuable for investigations into viral infections. -
Topoisomerase Inhibitor
OSUAB-0284 is a potent bacterial topoisomerase inhibitor, exhibiting significant anti-staphylococcal activity, particularly against methicillin-resistant Staphylococcus aureus (MRSA). By targeting and inhibiting bacterial topoisomerase, OSUAB-0284 effectively disrupts bacterial DNA replication and transcription processes. This compound is valuable for researching infections linked to drug-resistant bacteria, providing insights into potential therapeutic strategies against MRSA and other related pathogens.
