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Camptothecin hl-60

WebJun 29, 2015 · ；D. 大黄素无法捕获Topo I-DNA 的可切割复合物，Topo 的抑制剂CPT作为阳性对照； 大黄素能够诱导稳定的TopoII α-DNA 可切割 复合物，Topo II 的抑制剂VP16 作为阳性对照。G. 用大黄素处理HL-60 和HL-60/MX2 细胞后，检测γ -H2AX 的表达。H. 大黄素和VP16在Topo II –缺陷型细胞HL ... Web周 珏，卢林明，张根葆(皖南医学院 1.病理解剖学教研室;2.病理生理学教研室;3.蛇毒研究所，安徽 芜湖 241002)蛇毒具有广泛的生

Effects of caspase inhibition on camptothecin‐induced …

WebThis potent antioxidant is a cytoprotectant in several experimental models. However, its neuroprotective activities are scarcely available, especially in the hippocampal region associated with... WebJun 13, 2024 · Camptothecin is an anticancer molecule which acts by targeting the human deoxyribonucleic acid topoisomerase I (Topo-I). It inhibits the enzyme by blocking the re-joining step of the cleavage reaction of Topo-I, which causes accumulation of a covalent reaction intermediate. thera ohm münchen ralf https://segnicreativi.com

Cell cycle analysis of HL-60 cells after doxorubicin treatment.

WebAug 1, 1993 · Since apoptosis has been associated with potential involvement of intracellular signaling linked to the Ca 2+ /calmodulin and protein kinase C transduction … WebResearch Polysaccharopeptides derived from Coriolus versicolor potentiate the S-phase specific cytotoxicity of Camptothecin (CPT) on human leukemia HL-60 cells Jennifer Man-Fan. article as: Wan et al., Polysaccharopeptides derived from. properly cited. Research Polysaccharopeptides derived from Coriolus versicolor potentiate the S-phase ... WebCamptothecin [47, 48]. binds non-covalently with topoisomerase-I and suppresses their catalytic activity, thus show- Vinblastine and its derivatives have been used ing anti-cancer properties. ... (HL-60, MCF-7) with IC50 value Due to the large diversity of endophytic fungi, (5.8, 20.15 μM) [92]. Incarxanthone B, a novel various novel cytotoxic ... therao3 portable ozone module

Camptothecin - an overview ScienceDirect Topics

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Camptothecin hl-60

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WebThere have been some conflicting results concerning whether annexin V binds to camptothecin (CAM)-treated HL-60 cells, a commonly used model for apoptosis. We investigated the effects of culturing HL-60 cells for up to 8 h with a range of CAM concentrations. METHODS We used flow cytometry to measure cellular light scatter, … WebDNA single- strand breaks were detected using alkaline sucrose gradient centrifugation when HL-60 cells were incubated with 10 μMCPT or 10 μMSN-38 for 30 min. These …

Camptothecin hl-60

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WebAug 1, 1999 · HL-60 human promyelocytic leukemia cells were cultured in RPMI 1640 supplemented with 10% fetal bovine serum. For induction of apoptosis, cells were exposed for 3 h to 0.1 μg/ml DNA topoisomerase I inhibitor, camptothecin. Quantitative analysis of apoptosis was carried out by flow cytometry. WebFeb 1, 2008 · In the present study, we investigated the role of recombinant human phospholipase D2 (rhPLD2) on proliferation and apoptosis in human leukemia HL‐60 cells which induced by camptothecin. Our research demonstrated that various concentrations of rhPLD2 inhibit the growth of HL‐60 cells in a dose‐dependent manner, and rhPLD2 plus …

WebCamptothecin is a naturally occurring alkaloid derived from the plant Camptotheca acuminata that was identified in an anticancer drug discovery screen in the 1960s.67 … WebJan 15, 2024 · In summary, 12 novel biotinylated camptothecin derivatives were designed, synthesized, and evaluated for anticancer activities against a panel of five human cancer …

WebAug 26, 2002 · Camptothecin (CAM; Sigma, St. Louis, MO) initiates apoptosis in the human promyelocytic leukemia cell line, HL-60, via its binding to topoisomerase I–DNA … WebCamptothecin, a cytotoxic plant alkaloid with antitumor properties, is a prototypic DNA topoisomerase I inhibitor. ... This camptothecin concentration range works well for inducing Jurkat or HL 60 cell suspensions which usually run in the 1 x 105 – 1 x 106 cell/mL concentration range. At this concentration range successful apoptosis induction ...

WebOct 1, 2003 · (A) HL-60 cells were treated with various doses of camptothecin, a DNA topoisomerase I inhibitor, for 20 hours. (B) H-7 cells were deprived of IL-3 for the indicated times. (Upper panels) Proteins were extracted and subjected to SDS-PAGE and Western blotting with anti-Bax antibody.

WebCamptothecin, an quinolone alkaloid, is used as a chemotherapeutic agent in the treatment of leukemia (Jones et al., 1997). Camptothecin complexes with type I DNA … thera oil therapeuticWebJun 1, 2000 · Camptothecin (50 mM), a cytotoxic quinoline alkaloid which inhibits the DNA enzyme topoisomerase I, was used as a positive control (King et al., 2000). ... Internalization of Bacillus intermedius... the rao instituteWebCamptothecin is a naturally occurring alkaloid derived from the plant Camptotheca acuminata that was identified in an anticancer drug discovery screen in the 1960s. 68 … thera one majorWebHeli continuously extends its best products and service to global market through regional centers and distributors networks. thera oktathe ra of the winter solsticeWebMar 7, 2000 · (1990) Diverse effects of camptothecin, an inhibitor of topoisomerase I, on the cell cycle of lymphocytic (L1210, MOLT-4) and myelogenous (HL-60, KG1) leukemic cells. Cancer Res. 50 : 5746–5750 signs of being anxiousWebHL-60 cells exposed to okadaic acid and camptothecin underwent morphological and biochemical changes typical of apoptosis, including internucleosomal DNA fragmentation and PAI-2 cleavage. thera one