Camptothecin hl-60

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August undefined, 2024

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

Identification of novel topoisomerase II alpha inhibitors by virtual ...

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 … WebFeb 1, 2008 · Camptothecin HL-60 cells Apoptosis Cell cycle 1. Introduction Phospholipase D (PLD) is an enzyme that hydrolyzes phospholipids. In mammalian cells, there are two PLD isoforms, PLD1 and PLD2 that share significant sequence similarity, but have distinct subcellular locations and activity. how large is the continental united states

大黄素通过抑制ATP和拓扑异构酶II的结合导致DNA产生双链断裂

WebJun 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... 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 … WebJul 26, 2024 · CP6 displayed potent and comparable cytotoxicity. Interestingly, CP6 exhibited weak cytotoxicity against the normal cell line HUVEC and HL-7702 with a higher IC 50 (22.5 μM) and (18.5 μM). CP6 show minimal cytotoxicity against the human cervix adenocarcinoma cancer cell line HeLa with an IC 50 of 5.5 μM. how large is the colon

Apoptosis Induced by the Homocamptothecin Anticancer Drug BN80915 in HL ...

WebFeb 1, 2008 · So, we conclude that rhPLD2 alone cannot induce apoptosis in HL-60 cells, but it can potentiate the apoptosis of HL-60 cells induced by camptothecin. Similarly, we show that both rhPLD2 and standard PLD were able to enhance camptothecin-induced apoptosis of HL-60 cells. Previousarticlein issue Nextarticlein issue Keywords rhPLD2 … 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. how large is the fed\u0027s balance sheetWebCamptothecin [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 ... how large is the coffee industry

"WebSep 1, 2001 · To shed light on the mechanism of action of hCPT at the cellular level, we compared the effects of BN80915 and the classic camptothecin SN-38, the active metabolite of irinotecan, on HL-60 human promyelocytic cancer cells. " - Camptothecin hl-60

Camptothecin hl-60

There is substantial nuclear and cellular disintegration before ...

WebNuclear PI-PLC activity in HL-60 cell nuclei after treatment with camptothecin Source publication The pro-apoptotic drug camptothecin stimulates phospholipase D activity and diacylglycerol... 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 …

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WebThis potent antioxidant is a cytoprotectant in several experimental models. However, its neuroprotective activities are scarcely available, especially in the hippocampal region associated with... 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 ...

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 … 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.

WebJun 1, 1992 · Camptothecin or teniposide induced apoptosis selectively in S phase of HL-60 cells; apoptotic cells from camptothecin-treated cultures, however, despite the marked nucleolysis, still expressed p120. WebOct 1, 2001 · The study identifies and delineates signaling factors involved in BN80915-induced apoptosis in HL-60 cells. Cell cycle analysis of HL-60 cells treated with graded …

WebHL-60 cells exposed to okadaic acid and camptothecin underwent morphological and biochemical changes typical of apoptosis, including internucleosomal DNA fragmentation and PAI-2 cleavage.

WebOct 1, 2003 · (A) HL-60 cells were treated with 2 μM camptothecin only or in the presence of 20 μM calpeptin (calpain inhibitor), or 20 μM cathepsin inhibitor I (CI) or 20 μM ALLM (inhibits calpain and cathepsin) for the indicated times. (B) HL-60 cells were treated with 20 μM cisplatin, or 50 μM etoposide or 0.5 μg/mL adriamycin alone for 20 hours or ... how large is the eye of a hurricaneWebHeli continuously extends its best products and service to global market through regional centers and distributors networks. how large is the dmzWebAug 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 … how large is the drcWebNov 5, 2015 · The effect of vincristine, cisplatin or 10-hydroxy camptothecin on inducing apoptosis of HL-60 cells co-cultured with the MS-5 cell layer within 48 h was tested with/without E5. how large is the ethereum blockchainWeb14808-60-7 Wt. % 60 - 100 1 - 5 This product is a hazardous chemical as defined by the OSHA Hazard Communication Standard, 29 CFR 1910.1200. Gypsum (calcium sulfate) … how large is the dfw metroplexWebThere 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, … how large is the eyeWebResearch 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 ... how large is the fbi