YK-4-279 NEW
| Price | $54 | $79 | $148 |
| Package | 5mg | 10mg | 25mg |
| Supply Ability: | 10g |
| Update Time: | 2026-04-22 |
Product Details
| Product Name: YK-4-279 | CAS No.: 1037184-44-3 |
| Purity: 99.89% | Supply Ability: 10g |
| Release date: 2026/04/22 |
Product Introduction
Bioactivity
| Name | YK-4-279 |
| Description | YK 4-279, an inhibitor of RNA Helicase A (RHA), binds to the oncogenic transciption factor EWS-FLI1. |
| Kinase Assay | Cytosolic phosphorylation of Akt: Hela cells are serum starved for 1 hr and treated with IGF (100ng/mL) or SC79 (4 μg/mL) for 30 minutes. Cells are lysed in Lysis buffer containing 250 mM Sucrose, 20 mM HEPES, 10 mM KCl, 1.5 mM MgCl2, 1 mM EDTA, 1 mM EGTA supplemented with protease inhibitors. Cells are passed through 25 g needle several times and kept on ice for 20 minutes. Total cell lysate is taken at this point. Cell lysates are centrifuged at 100,000 g for 30 minutes. Supernatant is collected as the cytosolic fraction. Pellet is washed with lysis buffer and represents the membrane fraction. Total cell lysate, cytosolic and membrane fractions are resolved by SDS-PAGE and analyzed for phospho-Akt (S473), Total Akt, Tubulin (cytosolic marker) and Orai1 (membrane marker) by western blotting. |
| In vitro | In the fusion-positive LNCaP-luc-M mouse tumor model, YK-4-279 effectively inhibits tumor cell proliferation and migration. In the in vivo Ewing's Sarcoma Family of Tumors (ESFT) xenografts, YK-4-279 (1.5 mg/kg i.p.) successfully suppresses growth. |
| In vivo | In TC32 cells containing EWS-FLI1, YK-4-279 inhibits cell growth by blocking the interaction between EWS-FLI1 and RHA, thereby reducing the level of cyclin D. In ESFT cells, YK-4-279 can suppress cellular proliferation and induce apoptosis. Additionally, in prostate cancer cells positive for fusion, YK-4-279 inhibits the biological activity of ERG and ETV1, leading to decreased cell migration. |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year Shipping with blue ice/Shipping at ambient temperature. |
| Solubility Information | 10% DMSO+40% PEG300+5% Tween 80+45% Saline : 2 mg/mL (5.46 mM), Sonication is recommended. Ethanol : 48 mg/mL (131.08 mM), Sonication is recommended. H2O : < 1 mg/mL (insoluble or slightly soluble) DMSO : 68 mg/mL (185.69 mM), Sonication is recommended. |
| Keywords | YK-4-279 | YK4279 | YK 4 279 | RNASynthesis | RNA Synthesis | RNA helicase A | prostate | pancreatic | mice | Inhibitor | inhibit | ESFT | enantiomer | DNASynthesis | DNA/RNA Synthesis | DNA Synthesis | chiral | breast | Apoptosis | anti-proliferation |
| Inhibitors Related | Stavudine | Aceglutamide | Urea | Tamoxifen | Cysteamine hydrochloride | Guanidine hydrochloride | Metronidazole | Formamide | Thymidine | Dimethyl phthalate | Alginic acid | Sildenafil citrate |
| Related Compound Libraries | Apoptosis Compound Library | DNA Damage & Repair Compound Library | Bioactive Compound Library | Multi-Target Compound Library | Inhibitor Library | NO PAINS Compound Library | Anti-Aging Compound Library | Bioactive Compounds Library Max | Cell Cycle Compound Library | Anti-Cancer Compound Library | Transcription Factor-Targeted Compound Library |
Company Profile Introduction
Target Molecule Corp. (TargetMol) is a global high-tech enterprise, headquartered in Boston, MA, specializing in chemical and biological research product and service to meet the research needs of global customers.
TargetMol has evolved into one of the biggest global compound library and small molecule suppliers and a customer based on 40+ countries. TargetMol offers over 80 types of compound libraries and a wide range of high-quality research chemicals including inhibitors, activator, natural compounds, peptides, inhibitory antibodies, and novel life-science kits, for laboratory and scientific use. Besides, virtual screening service is also available for customers who would like to conduct the computer-aided drug discovery.
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