NBI-961
Based on 1 Customer Validation
NBI-961 is a NEK2 catalytic inhibitor with human NEK2 IC50 ~12-fold lower than FLT3. NBI-961 induces proteasomal degradation of NEK2. NBI-961 induces G2/mitosis arrest, apoptosis, and compromises viability in DLBCL cells and patient-derived cells. NBI-961 sensitizes DLBCL cells to doxorubicin and vincristine, and suppresses DLBCL tumor growth in mice. NBI-961 can be used for the research of diffuse large b cell lymphoma.
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- Purity: 99.73%
- CAS No.: 2225902-98-5
- 화학식: C28H27F3N6O2S
- 분자량:568.61
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보관:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month
To place orders, for customer services and technical support, please contact: MedChemExpress USA
Tel: 609-228-6898 E-mail: [email protected] [email protected]
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Biological Activity
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Chemical Information
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용액&용해도
- 순도&문서
- References
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Help & FAQs
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Biological Activity
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NEK2 |
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Cell Line
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Type | Value | Description | References |
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| MGC-803 | IC50 |
0.17 μM
Compound: 17a
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Antitumor activity against human MGC-803 cells assessed as inhibition of cell proliferation incubated for 72 hrs by MTT assay
Antitumor activity against human MGC-803 cells assessed as inhibition of cell proliferation incubated for 72 hrs by MTT assay
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[PMID: 32992252] |
Compared with the other 96 tested human kinases, NBI-961 exhibits high binding selectivity for NEK2, with only weak binding to FLT3 at 15 nM[1].
NBI-961 (0.001-40 μM; 96 h) potently reduces the viability of DLBCL cell lines in vitro, with a nanomolar GI50 value, and exhibits a 4.2-fold therapeutic window relative to EBV-immortalized benign peripheral B cells[1].
NBI-961 (25-240 nM; 24-96 h) induces G2/M cell cycle arrest in sensitive DLBCL cell lines SUDHL5 and RIVA at 24 h[1].
NBI-961 (25-240 nM; 24-96 h) induces time- and concentration-dependent apoptosis in DLBCL cell lines[1].
NBI-961 (19 nM, 38 nM, 76 nM; 24 h) exerts a dual-functional mechanism of action, which catalytically inhibits NEK2 (reducing p-NEK2 levels) and induces proteasomal degradation of total NEK2 protein in DLBCL cell lines SUDHL5, VAL, RIVA and U2932[1].
NBI-961 (0.019-2.0 μM; 24-96 h) reduces the viability of the DLBCL cell line SUDHL5 and primary high-grade B-cell lymphoma cells[1].
Inhibition of NEK2 induced by NBI-961 (25-240 nM; 96 h) shifts the proteome and phosphoproteome of NEK2-sensitive diffuse large B-cell lymphoma (DLBCL) cell lines SUDHL5 and RIVA toward an anti-mitotic and pro-apoptotic state, and reduces the level of phosphorylated AKT in SUDHL5 cells[1].
NBI-961 (0-7.8 nM combined with 5 nM DOX or 0.15 nM VCR; 96 h) sensitizes the sensitive DLBCL cell lines SUDHL5, RIVA and U2932 to low concentrations of DOX (HY-15142A) and VCR (HY-N0488A) by inducing apoptosis, while it exerts no effect on low-sensitivity DLBCL cell lines or benign B cell lines[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Cell Line:DLBCL cell lines (U2932, RIVA, HT, SUDHL4, SUDHL5, SUDHL6, HBL1, VAL), benign EBV-immortalized peripheral B cell lines (GM22761, GM16113)
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Concentration:0.001-40 μM
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Incubation Time:96 h
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Result:Achieved nanomolar growth inhibitory concentrations (GI50) in DLBCL cell lines, with particularly high potency in ABC-derived DLBCL cells.
Exhibited a 4.2-fold therapeutic window, calculated as the ratio of minimal toxic concentration (GI50 in benign B cells) to minimal effective concentration (7.8 nM).
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Cell Line:DLBCL cell lines (SUDHL5, RIVA, VAL), benign EBV-immortalized peripheral B cell line (GM22671)
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Concentration:25 nM (RIVA); 80 nM (SUDHL5, GM22671); 240 nM (VAL)
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Incubation Time:24 h, 48 h, 72 h, 96 h
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Result:Induced stark G2/M arrest in SUDHL5 and RIVA cells as early as 24 h post-treatment, which persisted through 48 h.
Caused milder G2/M arrest in VAL cells.
Showed no detectable G2/M arrest in GM22671 benign B cells.
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Cell Line:DLBCL cell lines (SUDHL5, RIVA, VAL), benign EBV-immortalized peripheral B cell line (GM22671)
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Concentration:25 nM (RIVA); 80 nM (SUDHL5, GM22671); 240 nM (VAL)
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Incubation Time:24 h, 48 h, 72 h, 96 h
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Result:Induced significant apoptotic death in SUDHL5 and RIVA cells starting at 24 h, which steadily increased through 96 h.
Caused no apoptosis in VAL cells until 48 h, requiring 3- to 9.6-fold higher concentrations than SUDHL5 and RIVA.
Induced apoptosis in GM22671 cells starting at 48 h, requiring ~3-fold higher concentration than RIVA.
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Cell Line:DLBCL cell lines (SUDHL5, VAL, RIVA, U2932)
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Concentration:19 nM, 38 nM, 76 nM (NBI-961); 10 nM (bortezomib, co-treatment)
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Incubation Time:24 h
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Result:Caused a concentration-dependent reduction in both p-NEK2 and total NEK2 protein levels in SUDHL5, VAL, RIVA, and U2932 cells.
Blocked NBI-961-induced loss of total NEK2 but did not prevent loss of p-NEK2 when co-treated with bortezomib.
Left NEK2 mRNA levels unchanged, confirming loss of NEK2 occurred at the protein level.
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Cell Line:DLBCL cell line (SUDHL5), primary patient-derived high-grade B cell lymphoma cells (ID# 36206)
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Concentration:0.019 μM, 0.038 μM, 0.076 μM, 0.5 μM, 2.0 μM (24 h incubation; SUDHL5); 0.038 μM, 0.076 μM, 0.5 μM, 1.0 μM, 2.0 μM (96 h incubation; primary cells)
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Incubation Time:24 h (SUDHL5); 96 h (primary cells)
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Result:Reduced the percentage of live cells in both SUDHL5 cells and primary patient-derived lymphoma cells.
Caused significant viability loss at 24 h in SUDHL5 and 96 h in primary cells.
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Cell Line:DLBCL cell lines (SUDHL5, RIVA, VAL, U2932, HT, SUDHL4, HBL1), benign EBV-immortalized peripheral B cell lines (GM22671, GM16113)
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Concentration:0 nM, 2.0 nM, 3.9 nM, 7.8 nM NBI-961 plus 5 nM DOX or 0.15 nM VCR; 7.8 nM NBI-961 plus 5 nM DOX (apoptosis analysis)
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Incubation Time:96 h
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Result:Significantly reduced cell viability in sensitive DLBCL cell lines SUDHL5, RIVA, and U2932 when co-treated with low, non-cytotoxic concentrations of DOX or VCR compared to DOX/VCR alone.
Induced increased apoptosis in SUDHL5 and RIVA cells with co-treatment.
Showed no chemosensitization or increased apoptosis in less sensitive VAL, HBL1, SUDHL4, and benign B cell lines.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:NSG-TG(Hu-IL6) (NSG-IL6) (8-10 weeks old, randomized for sex, humanized)[1]
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Dosage:5 mg/kg
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Administration:i.p.; daily; 8 weeks
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Result:Reduced bioluminescence signal over 7 weeks post-injection to delay disease onset.
Prolonged median mouse survival from 5.7 weeks to 6.4 weeks.
Showed no visible signs of distress, toxicity, weight loss, appetite loss, reduced activity, or fur tufting.
Chemical Information
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CAS No. 2225902-98-5
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Appearance Solid
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분자량 568.61
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화학식 C28H27F3N6O2S
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Color Light yellow to yellow
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SMILES
CC(C1=C(C=CC=C1)C(F)(F)F)OC2=C(SC(C3=CN=C4C=C(C=CN34)C5=CN(CCN(C)C)N=C5)=C2)C(N)=O
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선적
Room temperature in continental US; may vary elsewhere.
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보관
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month
용액&용해도
DMSO : 100 mg/mL (175.87 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Select the appropriate dissolution method based on your experimental animal and administration route.
- For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
- To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for In Vivo experiments, it is recommended to prepare freshly and use it on the same day.
- The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.
Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline
Solubility: ≥ 2.5 mg/mL (4.40 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.
Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
Please enter the basic information of animal experiments:
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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
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%DMSO +
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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%+
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+%Tween-80 + +
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%Saline +
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Working solution concentration: 0.22 mg/mL
Method for preparing stock solution: mg drug dissolved in μL DMSO. Stock solution concentration: mg/mL.
1. Take μL DMSO stock solution;
2. Add μL .
μL , mix evenly;
3. Then add μL Tween 80, mix evenly;
4. Then add μL
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
순도&문서
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Data Sheet (285 KB)
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SDS (254 KB)
- English - EN (254 KB)
- Français - FR (254 KB)
- Deutsch - DE (254 KB)
- Norwegian - NO (254 KB)
- Español - ES (254 KB)
- Swedish - SV (254 KB)
- Italian - IT (254 KB)
- Korean - KR (254 KB)
- Portuguese - PT (254 KB)
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Handling Instructions (2659 KB)
References
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO | 1 mM | 1.7587 mL | 8.7934 mL | 17.5867 mL | 43.9669 mL |
| 5 mM | 0.3517 mL | 1.7587 mL | 3.5173 mL | 8.7934 mL | |
| 10 mM | 0.1759 mL | 0.8793 mL | 1.7587 mL | 4.3967 mL | |
| 15 mM | 0.1172 mL | 0.5862 mL | 1.1724 mL | 2.9311 mL | |
| 20 mM | 0.0879 mL | 0.4397 mL | 0.8793 mL | 2.1983 mL | |
| 25 mM | 0.0703 mL | 0.3517 mL | 0.7035 mL | 1.7587 mL | |
| 30 mM | 0.0586 mL | 0.2931 mL | 0.5862 mL | 1.4656 mL | |
| 40 mM | 0.0440 mL | 0.2198 mL | 0.4397 mL | 1.0992 mL | |
| 50 mM | 0.0352 mL | 0.1759 mL | 0.3517 mL | 0.8793 mL | |
| 60 mM | 0.0293 mL | 0.1466 mL | 0.2931 mL | 0.7328 mL | |
| 80 mM | 0.0220 mL | 0.1099 mL | 0.2198 mL | 0.5496 mL | |
| 100 mM | 0.0176 mL | 0.0879 mL | 0.1759 mL | 0.4397 mL |
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