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Bendamustine HCl Sale

(Synonyms: 盐酸苯达莫司汀; SDX-105) 目录号 : GC10744

A DNA alkylating agent

Bendamustine HCl Chemical Structure

Cas No.:3543-75-7

规格 价格 库存 购买数量
10mM (in 1mL DMSO)
¥672.00
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5mg
¥378.00
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10mg
¥746.00
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Sample solution is provided at 25 µL, 10mM.

Description

Bendamustine HCl is an alkylating agent associated with DNA damage with IC50 of 50 μM [1].

It has been reported that bendamustine is activated under DNA damage stress and apoptosis. Bendamustine inhibits mitotic checkpoints and induces mitotic catastrophe by inhibiting several mitosis-related genes such as Polo-like kinase 1, Aurora kinase A, and Cyclin B1 [1]. In myeloma cell lines, bendamustine induced apoptosis by cleavage of caspase 3, and resulted in G2 cell cycle arrest [2]. In chronic lymphocytic and mantle cell lymphoma cell lines, bendamustine HCL has been shown to activate both the mitochondrial cell death pathway and caspase-dependent apoptosis. Some assays showed that bendamustine exhibited anti-proliferation effects on dexamethasone-sensitive (MM1.S) and -resistant (MM1.R) multiple myeloma cells in a dose-dependent manner, with IC50s of 119.8 μM (MM1.S) and 138 μM (MM1.R), respectively. The apoptosis by activation of caspase-3 and caspase-8 was induced in both MM1.S and MM1.R cell lines [4].

References:
[1]. Leoni LM, Bailey B, Reifert J, Bendall HH, Zeller RW, Corbeil J, Elliott G, Niemeyer CC. Bendamustine (Treanda) displays a distinct pattern of cytotoxicity and unique mechanistic features compared with other alkylating agents. Clin Cancer Res. 2008 Jan 1;14(1):309-17.
[2]. Gaul L, Mandl-Weber S, Baumann P, Emmerich B, Schmidmaier R. Bendamustine induces G2 cell cycle arrest and apoptosis in myeloma cells: the role of ATM-Chk2-Cdc25A and ATM-p53-p21-pathways. J Cancer Res Clin Oncol. 2008 Feb;134(2):245-53.
[3]. Roué G, López-Guerra M, Milpied P, Pérez-Galán P, Villamor N, Montserrat E, Campo E, Colomer D. Bendamustine is effective in p53-deficient B-cell neoplasms and requires oxidative stress and caspase-independent signaling. Clin Cancer Res. 2008 Nov 1;14(21):6907-15.
[4]. Cai B, Wang S, Huang J, Lee CK, Gao C, Liu B. Cladribine and bendamustine exhibit inhibitory activity in dexamethasone-sensitive and -resistant multiple myeloma cells. Am J Transl Res. 2013;5(1):36-46.

实验参考方法

Cell experiment:

Cytotoxicity of both Bendamustine and melphalan on multiple myeloma (MM) cells is calculated as inhibition of cell viability by measuring the percentage of cell survival by MTS assay. Briefly, cells (1 × 104/well) are seeded in 96-well plates with increasing concentrations of the drug and analyzed after 24, 48, 72 and 96 h of incubation. To this end, 1 μg/mL of MTS solution is added to each well and, after 1 h at 37 °C, the dark blue formazan crystals are dissolved by isopropanol 1 N and HCl (24:1, vol/vol). Finally, the absorbance is measured at 490 nm in a 96-well plate reader. Cell survival is estimated as the percentage of the absorbance of untreated controls and each test is performed in triplicate. The inhibitory concentrations 50 (IC50) and 25 (IC25) of each drug, being the amount able to reduce cell growth to 50% and 25%, respectively, of that of untreated control cells, are calculated, and the tests are performed in parallel using equitoxic concentrations of Bendamustine and melphalan. The relative resistance index (RRI) is expressed as the ratio of the IC50 of 8226-LR5 to the IC50 of RPMI-8226 cells[2].

Animal experiment:

Mice[3]C.B.-17 scid mice (DoHH-2, Granta 519) or C.B.-17 scid-bg mice (SuDHL-4, RAMOS) are inoculated with 1 × 106 (DoHH-2, RAMOS), 3 × 106 (SuDHL-4) or 5 × 106 (Granta 519) cells s.c. in the right flank. For flank xenografts, inoculation volume is 0.2 mL consisting of a 50:50 mixture of cells in growth medium and Matrigel. Tumour volume is estimated by two to three weekly measurements of the length and width of the tumour by electronic calipers and applying the following equation: V=L×W2/2. Tumours are allowed to reach approximately 250 mm3, and mice are size-matched (day 0) into treatment and control groups. For systemic Granta 519 tumour models, 2 × 106 cells are injected via the tail vein in 0.1 mL volume of cell medium on day 0, and treatment is initiated on day 14. All animals are ear-tagged and monitored individually throughout the experiment. Navitoclax is administered by oral gavage once daily in a mixture of Phosal 50PG : PEG400 : ethanol. Bendamustine and rituximab are administered i.v. at 25 mg/kg and 10 mg/kg, respectively, on day 1. Navitoclax is administered approximately 2 h before Bendamustine and rituximab. All trials are comprised of 10 mice per group. Mice are humanely killed when tumours reach a size >2000 mm3 or when any signs of distress are monitored. Signs of distress include loss of ambulation, laboured breathing or weight loss > 20% mean body weight per cage[3].

References:

[1]. Leoni LM, et al. Bendamustine (Treanda) displays a distinct pattern of cytotoxicity and unique mechanistic features compared with other alkylating agents. Clin Cancer Res. 2008 Jan 1;14(1):309-17.
[2]. Minbo Zang, et al. Effects of chemotherapeutic agent bendamustine for non-hodgkin lymphoma on spermatogenesis in mice. J Biomed Res. 2017 0(0): 1-12.
[3]. Cives M, et al. Bendamustine overcomes resistance to melphalan in myeloma cell lines by inducing cell death through mitotic catastrophe. Cell Signal. 2013 May;25(5):1108-17.
[4]. Ackler S, et al. Navitoclax (ABT-263) and bendamustine ± rituximab induce enhanced killing of non-Hodgkin's lymphoma tumours in vivo. Br J Pharmacol. 2012 Oct;167(4):881-91.

化学性质

Cas No. 3543-75-7 SDF
别名 盐酸苯达莫司汀; SDX-105
化学名 4-[5-[bis(2-chloroethyl)amino]-1-methylbenzimidazol-2-yl]butanoic acid;hydrochloride
Canonical SMILES CN1C2=C(C=C(C=C2)N(CCCl)CCCl)N=C1CCCC(=O)O.Cl
分子式 C16H21Cl2N3O2.HCl 分子量 394.72
溶解度 ≥ 19.736mg/mL in DMSO 储存条件 4°C, protect from light
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1 mM 2.5334 mL 12.6672 mL 25.3344 mL
5 mM 0.5067 mL 2.5334 mL 5.0669 mL
10 mM 0.2533 mL 1.2667 mL 2.5334 mL
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