
CUR5g
CAS No. 1370032-20-4
CUR5g( —— )
Catalog No. M36540 CAS No. 1370032-20-4
CUR5g is an autophagy inhibitor that inhibits migration and colony formation in A549 cells and acts through a UVRAG-dependent mechanism by blocking the recruitment of STX17 to autophagosomes.
Purity : >98% (HPLC)






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Biological Information
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Product NameCUR5g
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NoteResearch use only, not for human use.
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Brief DescriptionCUR5g is an autophagy inhibitor that inhibits migration and colony formation in A549 cells and acts through a UVRAG-dependent mechanism by blocking the recruitment of STX17 to autophagosomes.
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DescriptionCUR5g is a potent autophagy inhibitor. CUR5g selectively inhibits autophagosome degradation in cancer cells by blocking autophagosome-lysosome fusion. CUR5g blocks the recruitment of STX17 to autophagosomes via a UVRAG-dependent mechanism, resulting in the inability of autophagosomes to fuse with lysosomes. CUR5g improves the anticancer effect of Cisplatin (HY-17394) against A549 cells both in vitro and in vivo.
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In VitroCell Autophagy AssayCell Line:A549 cellsConcentration:0, 1, 5, 10, 20, and 40 μM Incubation Time:3, 6, 12, and 24 h Result:Induced extensive cytoplasmic vacuolization, and GFP-LC3B signal shifted from diffuse cytosolic staining to a punctate pattern outlining autophagosomes.Western Blot Analysis Cell Line:A549 cells Concentration:0, 1, 5, 10, 20, and 40 μM Incubation Time:0, 1, 3, 6, 12, and 24 h Result:Up-regulated LC3B-II and sequestosome 1 (SQSTM1) levels time- and dose-dependently. This increase was not the result of enhanced transcription, as mRNA expression of SQSTM1 and LC3B were not increased within CUR5g-exposed cells, suggesting that CUR5g might block autophagic flux rather than increase autophagosome formation.Cell Proliferation Assay Cell Line:A549 cells Concentration:0, 1, 5, 10, 20, and 40 μM Incubation Time:24 h Result:Exhibited great toxicity to A549 cells at 20 μM. Slightly decreased A549 cell number at 10 μM, while decreased the number of A549 cells significantly at 20 μM. Showed no discernable activity in healthy human umbilical vein endothelial cell (HUVEC) viability at 40?μM.
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In VivoAnimal Model:BALB/c nude mice (4-week-old, A549 cells were subcutaneously injected into the right scapula of each nude mouse)Dosage:40?mg/kg, CUR5g (40 mg/kg) and Cisplatin (1 mg/kg) Administration:Injected via caudal vein, once every 2 days for up to 15 days Result:Retarded the growth of xenografted tumors, whereas the combination treatment with Cisplatin almost completely inhibited tumor growth. Promoted the cisplatin sensitivity of A549 cells by inhibiting autophagic flux.
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Synonyms——
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PathwayAutophagy
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TargetAutophagy
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RecptorAutophagy
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Research Area——
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Indication——
Chemical Information
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CAS Number1370032-20-4
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Formula Weight344.41
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Molecular FormulaC22H20N2O2
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Purity>98% (HPLC)
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SolubilityIn Vitro:?DMSO : 41.67 mg/mL (120.99 mM; Ultrasonic (<60°C)
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SMILESC(\C=1C=2C(NC1)=CC=CC2)=C\3/C(=O)\C(=C\C4=CC=C(O)C=C4)\CN(C)C3
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Chemical Name——
Shipping & Storage Information
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Storage(-20℃)
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ShippingWith Ice Pack
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Stability≥ 2 years
Reference
1. Chen J, et al. CUR5g, a novel autophagy inhibitor, exhibits potent synergistic anticancer effects with cisplatin against non-small-cell lung cancer. Cell Death Discov. 2022 Oct 31;8(1):435.?
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