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Camptothecin ic50

WebNov 29, 2024 · For research use only. (S)-10-Hydroxycamptothecin (10-HCPT) is a DNA topoisomerase I inhibitor with potent anti-tumor activity. CAS No. 19685-09-7 Selleck's (S)-10-Hydroxycamptothecin has been cited by 7 Publications Purity & Quality Control Biological Activity Protocol (from reference) References WebDec 8, 2003 · This enzyme is the sole target of the camptothecin family of anticancer compounds, which acts by stabilizing the covalent protein-DNA complex and enhancing apoptosis through blocking the advancement of replication forks ... Macromolecules Proteins 1 Nucleic Acids / Hybrid 2 Find similar proteins by: (by identity cutoff) 3D Structure

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RCSB PDB - 1RR8: Structural Mechanisms of Camptothecin …

WebCamptothecin (CPT) is a potent DNA enzyme topoisomerase I (topo I) inhibitor with an IC50 and IC70 of 50 nM and 0.225 ?M for breast cancer cell line MDA-MB-231.; IC50 Value: 50 nM(in MDA-MB-231 cell line); Target: topoisomerase; Camptothecin (CPT) has recently been undergoing phase I clinical trials. MedChem Express HY-16560 WebCamptothecin (CPT), a kind of alkaloid, is a DNA topoisomerase I (Topo I) inhibitor with an IC50 of 679 nM. Camptothecin (CPT) exhibits powerful antineoplastic activity against colorectal, breast, lung and ovarian … WebThe values of IC50 inhibitory activity are 20.7 and 8.01, respectively, compared with Xenical as a standard with IC50 20.6 μg/ml. The inhibitory extracts of both endophytes contain alkaloids ... phillip paris georgetown tx

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Category:Analysis of stereoelectronic properties of camptothecin analogues …

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Camptothecin ic50

RCSB PDB - 1RR8: Structural Mechanisms of Camptothecin …

WebCamptothecin (NSC-100880) Camptothecin (NSC-100880, CPT, Campathecin, (S)-(+)-Camptothecin) is a specific inhibitor of DNA topoisomerase I (Topo I) with IC50 of 0.68 … WebCamptothecin (CPT) is a DNA enzyme topoisomerase I inhibitor with an IC50 of 679 nM. In vitro activity: Treatment of cells with CPT as well as its derivatives CPT-11 and SN38 influences KMT1A independently of DNA damage induction, which raises the possibility that CPT can modulate KMT1A activity.

Camptothecin ic50

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WebCamptothecin (CPT) and its analogs exhibit remarkable anti-tumor activity, due to their ability to inhibit DNA topoisomerase I. However, its use is limited by the lack of solubility … WebCamptothecin and four of its 10,11-methylenedioxy analogues were examined for their activity against the pathogenic protozoan Leishmania donovani in vitro. The methylenedioxy analogues were 36- to 180-fold more potent than the parent camptothecin, possessing IC50 values ranging from 160 to 32 nM against the parasite.

WebIC50 0.68μM - - - - 体外研究 Camptothecin是1966年最先从Camptotheca acuminate独立的植物碱。有效且特定抑制DNA拓扑异构酶 I(topo I),IC50为0.68μM … WebAmong them, 7-cyclohexyl-21-fluorocamptothecin exhibited the best antiproliferative activity against all three tested cancer cell lines (IC 50 range: 0.71−0.07 μM), which was twofold (A549) and sixfold (HCT116) more active than CPT. This compound represents a promising lead for further optimization ( Miao et al., 2013 ). View chapter Purchase book

WebPaclitaxel (taxol) is an anti-mitotic drug that affects microtubule assembly, thereby disrupting microtubule bundle formation (Manfredi et al. 1982 ). Currently, taxol is approved as a first-line chemotherapy drug for breast and ovary cancers. Taxol has different cellular effects depending on its concentration. WebApr 14, 2024 · Paxlovid (ritonavir-boosted nirmatrelvir) is a preferred oral antiviral authorized for the treatment of mild to moderate COVID-19 illness. Patients take a …

WebMar 23, 2015 · Certain benzo[f]indole-4,9-dione derivatives were synthesized and evaluated for their inhibitory effects on superoxide anion generation and neutrophil elastase (NE) release in formyl-l-methionyl-l-leucyl-l-phenylalanine (fMLF)-activated human neutrophils. Results indicated that (Z)-1-benzyl-4-(hydroxyimino)-1H-benzo[f]indol-9(4H)-one (10) …

WebDec 1, 2024 · Camptothecin (CPT) was discovered from plant extracts more than 60 years ago. Since then, only two CPT analogues (irinotecan and topotecan) have been … phillip parker bridges lawyersWebJun 15, 2024 · The MCF-7 and MDA-MB-231 human breast cancer cells were treated with the compounds 1 – 7, camptothecin, and etoposide at the 50-µM concentrations for 24 h, and then harvested and washed with cold buffer PBS. Then 5 µL of diluted FLICA reagent and 2 µL of Hoechst 33342 were added to 93 µL of cell suspension and mixed by pipetting. try re-extracting or repair hlaeWebCamptothecin (NSC-100880, CPT, Campathecin, (S)- (+)-Camptothecin) is a specific inhibitor of DNA topoisomerase I (Topo I) with IC50 of 0.68 μM in a cell-free assay. Camptothecin induces apoptosis in cancer cells via … try refreshing index in browser keyscapeWebOct 15, 2024 · Then we evaluated the anti-proliferation effect of the two novel derivatives and compared the IC50 with CPT-11. Furthermore, the induction of cell cycle arrest and apoptosis was explored through karyomorphology, flow cytometry (FCM) and Western blot analysis. ... Although the first Camptothecin-like drug, CPT has been discovered for … phillip parker attorneyWebCamptothecin displays nanomolar potency in cytotoxicity against many human tumor cell lines, including HT29, LOX, SKOV3, and SKVLB, with IC50 values ranging from 37 nM to … phillip park ddsWebThe IC50 of Camptothecin in relation to these two parameters was 5.2180 μM on average. Figure 2 shows that higher Camptothecin concentrations lead to an increase in clumpy … try refresh later pleaseWebCamptothecin (I) [7689-03-4], a cytotoxic drug, is a strong inhibitor of nucleic acid synthesis in mammalian cells and a potent inducer of strand breaks in chromosomal DNA. Neither … try refreshing