PLK1/BRD4-IN-5
Based on 1 Customer Validation
PLK1/BRD4-IN-5 (Compound SC10) is an orally active PLK1 and BRD4 inhibitor with IC50 values of 0.3 nM and 60.8 nM, respectively. PLK1/BRD4-IN-5 can induce MV4-11 cell block in S phase and apoptosis) in a dose-dependent manner. PLK1/BRD4-IN-5 can be used in cancer research.
For research use only. We do not sell to patients.
- Purity : 98.80%
- CAS No.: 3063893-60-4
- Formula: C31H44N8O3
- Molecular Weight:576.73
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Storage: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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Solvent & Solubility
- Protocols
- Purity & Documentation
- References
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Help & FAQs
Biological Activity
Description
IC50 & Target
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PLK1 0.3 nM (IC50) |
BRD4 60.8 nM (IC50) |
Cellular Effect
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Cell Line
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Type | Value | Description | References |
|---|---|---|---|---|
| MDA-MB-231 | IC50 |
17.3 nM
Compound: SC10
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Antiproliferative activity against human MDA-MB-231 cells assessed as inhibition of cell growth incubated for 72 to 96 hrs by alamar blue assay
Antiproliferative activity against human MDA-MB-231 cells assessed as inhibition of cell growth incubated for 72 to 96 hrs by alamar blue assay
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[PMID: 38364599] |
| MDA-MB-361 | IC50 |
8.4 nM
Compound: SC10
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Antiproliferative activity against human MDA-MB-361 cells assessed as inhibition of cell growth incubated for 72 to 96 hrs by alamar blue assay
Antiproliferative activity against human MDA-MB-361 cells assessed as inhibition of cell growth incubated for 72 to 96 hrs by alamar blue assay
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[PMID: 38364599] |
| MV4-11 | IC50 |
5.4 nM
Compound: SC10
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Antiproliferative activity against human MV4-11 cells assessed as inhibition of cell growth incubated for 72 to 96 hrs by alamar blue assay
Antiproliferative activity against human MV4-11 cells assessed as inhibition of cell growth incubated for 72 to 96 hrs by alamar blue assay
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[PMID: 38364599] |
In Vitro
PLK1/BRD4-IN-5 (Compound SC10) shows significant anti-proliferation activity against all three tumor cell lines (MDA-MB-231 IC50 = 17.3 nM, MDA-MB-361 IC50 = 8.4 nM, MV4-11 IC50 = 5.4 nM)[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only. Further protocols information, click here.
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Cell Line:MV4-11 cells
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Concentration:0.675 nM, 1.35 nM, 2.7 nM, 5.4 nM and 10.8 nM
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Incubation Time:72 h
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Result:Exhibited an increasing rate of apoptosis ranging from 6.65 to 58.35 % in a concentration-dependent manner.
In Vivo
Pharmacokinetic parameters of compounds in Sprague-Dawley Rats [1]
| Route | Dose (mg/kg) | T1/2 (h) | Tmax (h) | Cmax (ng/mL) | AUC0-t (ng•h/mL) | Cl (mL•min/kg) | MRT0-t (h) | Vdss (L/kg) | F (%) |
| i.g. | 10 | 3.75 | 2.00 | 108 | 657 | / | 5.26 | / | 21.4 |
| i.v. | 1 | 4.9 | / | / | 303 | 53.6 | 4.39 | 16.4 | / |
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 3063893-60-4
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Appearance Solid
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Molecular Weight 576.73
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Formula C31H44N8O3
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Color Off-white to light yellow
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SMILES
CC[C@@H]1C(N(C2=CN=C(N=C2N1C3CCCC3)NC4=C(C=C5C(CCN5C(CN6C[C@@H](N[C@@H](C6)C)C)=O)=C4)OC)C)=O
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month
Solvent & Solubility
In Vitro:
DMSO : 100 mg/mL (173.39 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)
In Vivo:
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: ≥ 5 mg/mL (8.67 mM); Clear solution
This protocol yields a clear solution of ≥ 5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (50.0 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.
In Vivo Dissolution Calculator
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.
Protocols
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EdU Incorporation Assay (Click Chemistry-Based DNA Synthesis Measurement)
The EdU incorporation assay measures DNA synthesis by adding the thymidine analog 5-ethynyl-2′-deoxyuridine to cells or tissues, where it is incorporated into newly synthesized DNA during S phase. Incorporated EdU is detected by copper-catalyzed azide-alkyne cycloaddition, in which a fluorescent azide covalently reacts with the ethynyl group on EdU, allowing S-phase cells to be detected by fluorescence microscopy, flow cytometry, or high-content imaging. EdU detection does not require DNA denaturation or anti-BrdU antibody access, which preserves sample structure and improves compatibility with immunostaining and multiparameter cytometry compared with BrdU-based detection. EdU can be cytotoxic in a cell-type- and exposure-dependent manner, so pulse duration, concentration, and continuous-labeling designs should be validated for each cell type.
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Apoptosis
Apoptosis, also called programmed cell death, is generally characterized by distinct morphological characteristics.
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TUNEL staining for apoptotic DNA fragmentation
TUNEL staining detects DNA strand breaks by using terminal deoxynucleotidyl transferase to add labeled nucleotides to exposed 3′-OH DNA termini, generating either microscopic staining in fixed cells or tissue sections, or fluorescence/cytometric signal in cell suspensions. TUNEL positivity reflects DNA fragmentation but should not be interpreted alone as definitive apoptosis, because TUNEL can also label necrotic, autolytic, mechanically damaged, or DNA-repair-associated DNA breaks.
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Cell Cytotoxicity Assay
Cytotoxicity assays are usually based on the assessment of cell membrane damage, which can also be indirectly detected by measuring cell viability. Detection methods include MTT assay, CKK-8 assay, LDH assay and ATP assay, etc.
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Flow cytometric DNA-content cell-cycle staining
Flow cytometric DNA-content cell-cycle staining measures the fluorescence intensity of DNA-bound fluorochromes in single cells or nuclei to estimate DNA content distributions, allowing assignment of populations to G0/G1, S, and G2/M phases by DNA histogram deconvolution. Propidium iodide (PI) intercalates into DNA, and PI fluorescence is proportional to cellular DNA content when staining is performed under conditions that make DNA accessible and minimize non-DNA signal. Cells with G2/M DNA content are expected to show approximately twice the fluorescence intensity of G0/G1 cells, while S-phase cells occupy intermediate fluorescence values. PI-based DNA-content analysis can also detect cells with fractional DNA content, often reported as sub-G1, when DNA fragmentation and extraction during staining reduce retained DNA signal in apoptotic cells. DAPI is an alternative DNA fluorochrome for univariate DNA-content analysis, while bivariate approaches combining DNA content with proliferation
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Annexin V plus membrane-impermeant dye apoptosis staining
Annexin V-based apoptosis assays rely on the detection of phosphatidylserine (PS) externalization from the inner leaflet of the plasma membrane to the outer leaflet, an early biochemical hallmark of apoptosis. Fluorescently labeled Annexin V binds PS in a calcium-dependent manner, enabling identification of early apoptotic cells by flow cytometry or fluorescence microscopy. When combined with a membrane-impermeant DNA-binding dye (e. g. , propidium iodide), this approach allows discrimination between viable (Annexin V−/dye−), early apoptotic (Annexin V+/dye−), and late apoptotic or necrotic (Annexin V+/dye+) cell populations by assessing membrane integrity and PS exposure.
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BrdU Incorporation Assay
Bromodeoxyuridine (BrdU) incorporation assay is based on the principle that BrdU, a thymidine analog, is incorporated into newly synthesized DNA during the S phase of the cell cycle, thereby serving as a marker of DNA replication and cellular proliferation. Incorporated BrdU can be detected using anti-BrdU antibodies following DNA denaturation, enabling visualization or quantification of proliferating cells through immunochemical detection methods such as immunofluorescence or immunohistochemistry.
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Apoptosis Solutions
Apoptosis is a regulated, generally non-lytic cell-death pathway that removes unwanted, damaged, infected, or abnormal cells through coordinated morphological changes, caspase activation, DNA fragmentation, and membrane remodeling. The intrinsic apoptosis pathway is controlled mainly by mitochondrial outer membrane permeabilization, BCL-2 family proteins, cytochrome c release, apoptosome formation, caspase-9 activation, and downstream executioner caspase-3/7 activation. The extrinsic apoptosis pathway is initiated by death receptors such as Fas, TNFR, and TRAIL receptors, which recruit adaptor proteins and activate caspase-8 before engaging executioner caspases or mitochondrial amplification through BID cleavage. Apoptosis is linked to many phenotypes, including cancer cell killing, tissue homeostasis, immune regulation, neurodegeneration, infection response, and treatment-induced cytotoxicity; unresolved questions include how apoptosis interacts with necroptosis, pyroptosis, ferroptos
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Protocol for Cell Cycle
Cell-cycle analysis by flow cytometry measures DNA content in single cells to estimate the fraction of cells in G0/G1, S, and G2/M phases. Propidium iodide intercalates into DNA, and after RNA removal with RNase, fluorescence intensity reflects cellular DNA content: 2N cells are assigned to G0/G1, cells between 2N and 4N to S phase, and 4N cells to G2/M. DNA-content analysis alone cannot reliably separate G0 from G1 or G2 from M. Ki-67 can distinguish quiescent G0 cells from cycling cells, EdU or BrdU incorporation marks active DNA synthesis in S phase, and phospho-histone H3 staining identifies mitotic cells within the 4N population.
Purity & Documentation
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Data Sheet (275 KB)
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SDS (251 KB)
- English - EN (251 KB)
- Français - FR (251 KB)
- Deutsch - DE (251 KB)
- Norwegian - NO (251 KB)
- Español - ES (251 KB)
- Swedish - SV (251 KB)
- Italian - IT (251 KB)
- Korean - KR (251 KB)
- Portuguese - PT (251 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 | 1.7339 mL | 8.6696 mL | 17.3391 mL | 43.3478 mL |
| 5 mM | 0.3468 mL | 1.7339 mL | 3.4678 mL | 8.6696 mL | |
| 10 mM | 0.1734 mL | 0.8670 mL | 1.7339 mL | 4.3348 mL | |
| 15 mM | 0.1156 mL | 0.5780 mL | 1.1559 mL | 2.8899 mL | |
| 20 mM | 0.0867 mL | 0.4335 mL | 0.8670 mL | 2.1674 mL | |
| 25 mM | 0.0694 mL | 0.3468 mL | 0.6936 mL | 1.7339 mL | |
| 30 mM | 0.0578 mL | 0.2890 mL | 0.5780 mL | 1.4449 mL | |
| 40 mM | 0.0433 mL | 0.2167 mL | 0.4335 mL | 1.0837 mL | |
| 50 mM | 0.0347 mL | 0.1734 mL | 0.3468 mL | 0.8670 mL | |
| 60 mM | 0.0289 mL | 0.1445 mL | 0.2890 mL | 0.7225 mL | |
| 80 mM | 0.0217 mL | 0.1084 mL | 0.2167 mL | 0.5418 mL | |
| 100 mM | 0.0173 mL | 0.0867 mL | 0.1734 mL | 0.4335 mL |
PLK1/BRD4-IN-5 Related Classifications
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