Bortezomib [179324-69-7]
Cat# T2399-50mg
Size : 50mg
Brand : TargetMol
Bortezomib
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Purity:100%
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Bortezomib
Catalog No. T2399Cas No. 179324-69-7
Bortezomib (LDP 341) is a 20S proteasome inhibitor (Ki=0.6 nM) that is reversible and selective. Bortezomib has antitumor activity and inhibits NF-κB, which can disrupt the cell cycle and induce apoptosis.
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1 mL x 10 mM (in DMSO) | In Stock |
Product Introduction
Bioactivity
Chemical Properties
Storage & Solubility Information
Description | Bortezomib (LDP 341) is a 20S proteasome inhibitor (Ki=0.6 nM) that is reversible and selective. Bortezomib has antitumor activity and inhibits NF-κB, which can disrupt the cell cycle and induce apoptosis. |
Targets&IC50 | 20S proteasome:0.6 nM (cell free) |
In vitro | METHODS: Human tongue squamous carcinoma cells SCC-15 and CAL-27, human pharyngeal squamous carcinoma cells FaDu, and human salivary gland carcinoma cells A-253 and SALTO-5 were treated with Bortezomib (6.25-100 nM) for 24-72 h. The growth inhibition of these cells was detected by SRB. RESULTS: The effects of Bortezomib on the proliferation of the five tumor cells were dose- and time-dependent, and SCC-15 was the most sensitive cell to the effects of Bortezomib. SCC-15 was the most sensitive cell to the effect of Bortezomib.[1] METHODS: Human small cell lung cancer cells NCI-H69 and NCI-H2171 were treated with Bortezomib (0.05 μM; 0.5 μM) for 48 h. Cell cycle and apoptosis were detected by Flow Cytometry. RESULTS: Bortezomib induced cell cycle arrest in the G2-M transition state, increased the number of G2-phase cells and decreased the number of S-phase cells, and induced apoptosis in tumor cells. [2] METHODS: H460, a large cell lung cancer cell, was incubated with Bortezomib (0.01-10 μM) for 3-48 h, and the expression levels of target proteins were detected by Western Blot. RESULTS: Bortezomib treatment resulted in concentration-dependent phosphorylation of Bcl-2 protein. Starting at 12 h, a recognizable Bcl-2 cleavage product was observed, and Bcl-2 phosphorylation preceded Bcl-2 cleavage for at least 9 h.[3] |
In vivo | METHODS: To detect anti-tumor activity in vivo, Bortezomib (0.3 mg/kg) was administered intraperitoneally to NOD/SCID mice bearing primary exudative lymphoma (PEL) UM-PEL-1 once daily for three weeks. RESULTS: Bortezomib induced remission of PEL and prolonged overall survival of mice with lymphoma exudates. bortezomib downregulated cell cycle progression, DNA replication, and Myc target genes. [4] METHODS: To investigate the effect of Bortezomib on renal fibrosis, Bortezomib (0.5 mg/kg) was intraperitoneally injected into an aristolochic acid I (AA)-induced fibrotic C57BL/6J mouse model twice a week for ten weeks. RESULTS: Bortezomib treatment significantly attenuated AA-induced renal dysfunction and proteinuria, reduced the expression of renal fibrosis-associated proteins and markers of renal injury, such as αSMA, Kim1, and Ngal, and prevented renal fibrosis at histopathologic level. [5] |
Kinase Assay | Inhibitors were synthesized and purified according to the procedures described in Adams et al.The inhibition constant (Ki) for each inhibitor was measured according to the method of Stein et al.using a fluorometric assay,monitoring peptide substrate cleavage of Z-Leu-Leu-Val-Tyr-amino methyl coumarin (Z = carbobenzyloxy) by the 20S proteasome [1]. |
Cell Research | PC-3 cells were treated with different doses of PS-341 for different periods of time. The cells were washed with PBS, harvested, and fixed in suspension with 3.7% formaldehyde in the neutral buffer for 10 min at room temperature. The cells were centrifuged, and the cell pellet was resuspended in 0.5 ml of 80% ethanol. The cell suspension (25–50 μl) was then placed onto a microscope slide precoated with poly-l-lysine and air-dried. The slides were washed four times with 0.1% Triton X-100 in PBS. The slide was incubated with the DNA stain Hoechst 33342 (Molecular Probes; 1.0 μg/ml in PBS with 0.1% Triton-X-100) for 1.0 min. The slides were rinsed in PBS and mounted with 70% glycerol containing 25 mg/ml 1,4-diazabicyclo[2.2.2]octane. Nuclear staining was visualized using a fluorescent microscope [1]. |
Animal Research | Mice were inoculated s.c. into the right flank with 3 × 10^7 MM cells in 100 μl of RPMI 1640, together with 100 μl of Matrigel basement membrane matrix. When tumor was measurable, mice were assigned into four treatment groups receiving PS-341 or into a control group. Treatment with PS-341 was given i.v. twice weekly via tail vein at 0.05, 0.1, 0.5, and 1.0 mg/kg for 4 weeks. Subsequently, it was administered once weekly. The control group received the vehicle alone (0.9% sodium chloride) at the same schedule. Caliper measurements of the longest perpendicular tumor diameters were performed every alternate day to estimate the tumor volume, using the following formula: 4π/3 × (width/2)^2 × (length/2), representing the three-dimensional volume of an ellipse. Animals were sacrificed when their tumors reached 2 cm or when the mice became moribund. Survival was evaluated from the first day of treatment until death [4]. |
Alias | Radiciol, NSC 681239, MG 341, DPBA, Brotezamide, LDP 341 |
Molecular Weight | 384.24 |
Formula | C19H25BN4O4 |
Cas No. | 179324-69-7 |
Storage | keep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. | ||||||||||||||||||||||||||||||||||||||||
Solubility Information | H2O: Insoluble Ethanol: 20.83 mg/ml (54.21 mM), Sonication is recommended. DMSO: 71 mg/mL (184.8 mM) | ||||||||||||||||||||||||||||||||||||||||
Solution Preparation Table | |||||||||||||||||||||||||||||||||||||||||
Ethanol/DMSO
DMSO
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In Vivo Formulation Calculator (Clear solution)
Please enter your animal experiment information in the following box and click Calculate to obtain the mother liquor preparation method and in vivo formula preparation method:
For example, your dosage is 10 mg/kg Each animal weighs 20 g, and the dosage volume is 100 μL . A total of 10 animals were administered, and the formula you used is 5% DMSO+30% PEG300+5% Tween 80+60% ddH2O. So your working solution concentration is 2 mg/mL。
Mother liquor preparation method: 2 mg of drug dissolved in 50 μL DMSO (mother liquor concentration of 40 mg/mL), if you need to configure a concentration that exceeds the solubility of the product, please contact us first.
Preparation method for in vivo formula: Take 50 μL DMSO main solution, add 300 μLPEG300 mix well and clarify, then add 50 more μL Tween 80, mix well and clarify, then add 600 more μLddH2O mix well and clarify
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Keywords
Nuclear factor-kappaBInhibitorLDP-341Nuclear factor-κBApoptosisLDP341PS 341PS341BortezomibAutophagyProteasomeMG341PS-341inhibitNF-κBNSC-681239NSC681239MG-341
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