Lexibulin dihydrochloride 产品活性：Lexibulin dihydrochloride (CYT-997 dihydrochloride) 是微管蛋白聚集强效抑制剂，对多种癌细胞的 IC50 值为 10-100 nM，体外体内具有高效的细胞毒性和血管增生阻断作用。Lexibulin dihydrochloride 可诱导细胞凋亡 (apoptosis)，并诱导 GC 细胞中的线粒体 ROS 生成。 产品来源： https://www.medchemexpress.cn/Lexibulin-dihydrochloride.html 研究领域：Cell Cycle/DNA Damage | Cytoskeleton | NF-κB | Metabolic Enzyme/Protease | Immunology/Inflammation | Apoptosis 作用靶点：Microtubule/Tubulin | Reactive Oxygen Species | Apoptosis In Vitro: Lexibulin (CYT-997) prevents the in vitro polymerization of tubulin with an IC50 of ～3 μmol/L (compared with the half-maximal inhibitory concentration of 2 μmol/L for colchicine under identical conditions) as determined using the conventional turbidimetric assay for tubulin polymerization. Lexibulin is also capable of reversibly disrupting the microtubule network in cells, visualized using fluorescence microscopy. Thus, treatment of A549 cells with Lexibulin (1 μM) lead to the rapid reorganization of microtubules, including the destruction of the existing microtubule network and accumulation of tubulin in plaques within the cytoplasm of some cells. After 24 hours, major alterations in cell morphology are evident, including loss of adhesion and cell rounding. The effect of 1 hour of treatment with Lexibulin is reversible and cells rapidly recovered their normal microtubule architecture. Taken together, the data indicates that Lexibulin belongs to the class of anticancer agents that disrupt, rather than stabilize, tubulin-containing structures. Although vehicle-treated cells show 15% and 19% in G2-M phase at 15 and 24 hours (respectively), cells treated with Lexibulin (1 μM) had 38% and 43% of cells in G2-M at the same time points. Furthermore, at 24 hours post-Lexibulin treatment, only 66% of total cells are in the G1, S, and G2-M phases, which suggests that cells blocked at the G2-M boundary do not exit back to G1, as in the normal cell cycle, but most likely are driven towards apoptosis and cell death. Consistent with the disruption of cellular tubulin, Lexibulin potently inhibits proliferation, induces cell cycle arrest and most importantly apoptosis of both human myeloma cell lines (HMCLs) and primary MM cells. In Vivo: iIn a xenograft model using the human prostate cancer cell line PC3, oral dosing of Lexibulin (CYT-997) is initiated 13 days after cell implantation by which time palpable tumors were evident. A dose-dependent inhibition of tumor growth was apparent with Lexibulin (CYT-997), which at the highest dose was equivalent to parenterally administered paclitaxel. A single dose of Lexibulin (CYT-997) (7.5 mg/kg i.p.) clearly decreased blood flow in liver metastases, and a significant reduction in blood flow was present 6 hours postdose. Lexibulin (CYT-997) treatment (15 mg/kg/day) significantly prolongs the survival in a murine model of aggressive systemic myelomatosis. 相关产品：MG-132 | Doxorubicin hydrochloride | Bafilomycin A1 | Tamoxifen | Y-27632 | LY294002 | Paclitaxel | Z-VAD-FMK | Acetylcysteine | Angiotensin II human | H2DCFDA | 2-Deoxy-D-glucose | Staurosporine | Actinomycin D | SB-431542 | 5-Fluorouracil | Bortezomib | Deferoxamine mesylate | Oxaliplatin | Trametinib | Sorafenib | MitoSOX Red | Temozolomide | Gemcitabine | Decitabine | Mdivi-1 | Rotenone | Etoposide | Elesclomol | Ruxolitinib 品牌介绍: MCE (MedChemExpress) 拥有数百种全球独家化合物，我们致力于为全球科研客户提供最新最全的高品质小分子活性化合物；10,000 多种高选择性抑制剂、激动剂涉及各热门信号通路及疾病领域；设有专业的实验中心和严格的质控、验证体系；提供 LC/MS、NMR、HPLC、手性分析、元素分析等各项质检报告，确保产品的高纯度、高品质；产品的生物活性多经各国客户实验验证；Nature, Cell, Science 等多种顶级期刊及制药专利收录了MCE客户的科研成果；专业团队跟踪最新的制药及生命科学研究进展，为您提供全球最新的活性化合物；与世界各大制药公司及知名科研机构建立了长期的合作。