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YU238259

Catalog No.GC19390

YU238259 is an inhibitor of homology-dependent DNA repair (HDR), used for cancer research.

Products are for research use only. Not for human use. We do not sell to patients.

YU238259 Chemical Structure

Cas No.: 1943733-16-1

Size Price Stock Qty
5mg
$74.00
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10mg
$128.00
In stock
25mg
$262.00
In stock
50mg
$462.00
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100mg
$770.00
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Sample solution is provided at 25 µL, 10mM.

Product Documents

Quality Control & SDS

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Protocol

Cell experiment:

U2OS reporter cell lines (DR-GFP or EJ5-GFP) are pretreated in triplicate with varying concentrations of YU238259 for 24 h, after which 4 μg of SCE-I plasmid is transfected into 1 × 106 cells/replicate using an Amaxa Nucleofector. Transfected cells are reseeded on 6-well plates and cultured with YU238259 for an additional 72 h. The percentage of GFP-positive cells is quantified by flow cytometry. Data analysis is performed using FlowJo software. Error bars represent the standard deviation[1].

Animal experiment:

069(nu)/070(nu/+) athymic nude mice, at 4-5 weeks age, are injected subcutaneously with 3 × 106 DLD-1 or DLD-1 BRCA2-KO cells suspended in 100 μL PBS. Tumor take rate is >80%. When tumors reach 100 mm3 geometric mean volume, the mice are injected with 3 mg/kg YU238259 or its 3:1 DMSO:PBS vehicle, or 5 mg/kg YU128440 or its 1:19 DMSO:PBS vehicle (IP, 100 μL total in each case). Treatment is repeated 3×/week (Mon/Wed/Fri) for a total of 12 doses of YU238259 and 4 doses of YU128440. Tumor growth is assessed by external caliper. Mice are euthanized when individual tumor volumes exceed 1000 mm3[1].

References:

[1]. Stachelek GC, et al. YU238259 Is a Novel Inhibitor of Homology-Dependent DNA Repair That Exhibits Synthetic Lethality and Radiosensitization in Repair-Deficient Tumors. Mol Cancer Res. 2015 Oct;13(10):1389-97.

Background

YU238259 is an inhibitor of homology-dependent DNA repair (HDR), used for cancer research.

YU238259 is an inhibitor of homology-dependent DNA repair, with no effect on PARP activity. YU238259 shows cytotoxicity in BRCA2-deficient cells, with a low LD50 of 8.5 uM. YU238259 (0-5 uM) causes a potent, dose-dependent decrease in HDR efficiency in U2OS DR-GFP or U2OS EJ5-GFP cells, but with no effect on NHEJ frequency. YU238259 (0-10 uM) exhibits synthetic lethality with loss of frequently mutated tumor suppressors, and shows synergism with radiotherapy (IR) and DNA-damaging chemotherapy that is potentiated by BRCA2 loss[1].

YU238259 (3 mg/kg, i.p.) inhibits the growth of BRCA2-deficient tumor xenografts in nude mice[1].

References:
[1]. Stachelek GC, et al. YU238259 Is a Novel Inhibitor of Homology-Dependent DNA Repair That Exhibits Synthetic Lethality and Radiosensitization in Repair-Deficient Tumors. Mol Cancer Res. 2015 Oct;13(10):1389-97.

Chemical Properties

Cas No. 1943733-16-1 SDF
Canonical SMILES COC1=CC=C(S(NCC2=CC=C(C(NCCC3=CC=C(Cl)C=N3)=O)C=C2)(=O)=O)C=C1
Formula C22H22ClN3O4S M.Wt 459.95
Solubility DMSO : ≥ 300 mg/mL (652.24 mM) Storage 4°C, protect from light
General tips Please select the appropriate solvent to prepare the stock solution according to the solubility of the product in different solvents; once the solution is prepared, please store it in separate packages to avoid product failure caused by repeated freezing and thawing.Storage method and period of the stock solution: When stored at -80°C, please use it within 6 months; when stored at -20°C, please use it within 1 month.
To increase solubility, heat the tube to 37°C and then oscillate in an ultrasonic bath for some time.
Shipping Condition Evaluation sample solution: shipped with blue ice. All other sizes available: with RT, or with Blue Ice upon request.

Complete Stock Solution Preparation Table

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1 mg 5 mg 10 mg
1 mM 2.1741 mL 10.8707 mL 21.7415 mL
5 mM 0.4348 mL 2.1741 mL 4.3483 mL
10 mM 0.2174 mL 1.0871 mL 2.1741 mL
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Average Rating: 5 ★★★★★ (Based on Reviews and 35 reference(s) in Google Scholar.)

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