Alobresib
Based on 2 publication(s) in Google Scholar
Alobresib (GS-5829) is a BET bromodomain inhibitor, which represents a highly effective therapeutics agent against recurrent/chemotherapy resistant uterine serous carcinoma (USC) overexpressing c-Myc. Alobresib can be used in the metastatic castration-resistant prostate cancer (mCRPC) research.
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- Purity: 98.04%
- CAS No.: 1637771-14-2
- 화학식: C26H23N5O2
- 분자량:437.49
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보관:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 2 years , -20°C, 1 year
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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Publications Citing Use of MedChemExpress (MCE) Alobresib
More
Biological Activity
BET bromodomain[1]
Alobresib (0.1 nM-100 μM; 72 hours) inhibits cell proliferation in primary uterine serous carcinoma (USC) lines[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Cell Line:Primary uterine serous carcinoma (USC) lines ARK1 and ARK2 cell lines
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Concentration:0.1 nM, 10 nM, 1 μM, 100 μM
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Incubation Time:72 hours
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Result:A progressive, dose response decrease in cell proliferation. IC50s of 27 nM and 31 nM for ARK2 and ARK1 cells, respectively.
Alobresib (10 and 20 mg/kg; oral; twice-daily; for 28 days) is well tolerated with no clear impact on body weight compared with vehicle control[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:Female CB17/lcrHsd-Prkd/scid mice (15-19 g) bearing USC-ARK2 tumors[1]
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Dosage:10 and 20 mg/kg
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Administration:Oral; twice-daily; 28 days
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Result:Exhibited a significantly slower rate of tumor growth, compared with vehicle control and to mice undergoing daily treatment with JQ1 (50 mg/kg/day i.p.).
| NCT Number | Sponsor | Condition | Start Date |
Phase
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|---|---|---|---|---|
| NCT01329991 | Plexxikon| | 2011-05 | PHASE1 |
Chemical Information
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CAS No. 1637771-14-2
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Appearance Solid
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분자량 437.49
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화학식 C26H23N5O2
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Color Off-white to light yellow
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SMILES
OC(C1=CC=CC=N1)(C2=CC=CC=N2)C3=C(NC(C4CC4)=N5)C5=CC(C(C(C)=NO6)=C6C)=C3
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Synonyms
GS-5829
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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 2 years -20°C 1 year
Publications (2)
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Journal Impact Factor
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Most Recent
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Cell
2021 Apr 15;184(8):2167-2182.e22. PMID: 33811809 -
Sci Data
High-throughput drug screening identifies novel therapeutics for Low Grade Serous Ovarian Carcinoma. [Abstract]2024 Sep 19;11(1):1024. PMID: 39300112
용액&용해도
DMSO : 83.33 mg/mL (190.47 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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
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: ≥ 2.08 mg/mL (4.75 mM); Clear solution
This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: ≥ 2.08 mg/mL (4.75 mM); Clear solution
This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
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 (281 KB)
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SDS (396 KB)
- English - EN (396 KB)
- Français - FR (396 KB)
- Deutsch - DE (396 KB)
- Norwegian - NO (396 KB)
- Español - ES (396 KB)
- Swedish - SV (396 KB)
- Italian - IT (396 KB)
- Korean - KR (396 KB)
- Portuguese - PT (396 KB)
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Handling Instructions (2659 KB)
References
[1]. Bonazzoli E, et al. Inhibition of BET Bromodomain Proteins with GS-5829 and GS-626510 in Uterine Serous Carcinoma, a Biologically Aggressive Variant of Endometrial Cancer. Clin Cancer Res. 2018 Oct 1;24(19):4845-4853. [Content Brief]
[2]. Rahul Aggarwal, et al. Phase Ib Study of the BET Inhibitor GS-5829 as Monotherapy and Combined with Enzalutamide in Patients with Metastatic Castration-Resistant Prostate Cancer. Clin Cancer Res. 2022 Sep 15;28(18):3979-3989. [Content Brief]
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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
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| DMSO | 1 mM | 2.2858 mL | 11.4288 mL | 22.8577 mL | 57.1442 mL |
| 5 mM | 0.4572 mL | 2.2858 mL | 4.5715 mL | 11.4288 mL | |
| 10 mM | 0.2286 mL | 1.1429 mL | 2.2858 mL | 5.7144 mL | |
| 15 mM | 0.1524 mL | 0.7619 mL | 1.5238 mL | 3.8096 mL | |
| 20 mM | 0.1143 mL | 0.5714 mL | 1.1429 mL | 2.8572 mL | |
| 25 mM | 0.0914 mL | 0.4572 mL | 0.9143 mL | 2.2858 mL | |
| 30 mM | 0.0762 mL | 0.3810 mL | 0.7619 mL | 1.9048 mL | |
| 40 mM | 0.0571 mL | 0.2857 mL | 0.5714 mL | 1.4286 mL | |
| 50 mM | 0.0457 mL | 0.2286 mL | 0.4572 mL | 1.1429 mL | |
| 60 mM | 0.0381 mL | 0.1905 mL | 0.3810 mL | 0.9524 mL | |
| 80 mM | 0.0286 mL | 0.1429 mL | 0.2857 mL | 0.7143 mL | |
| 100 mM | 0.0229 mL | 0.1143 mL | 0.2286 mL | 0.5714 mL |
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