Home NF-κB IκB/IKK inhibitor Dehydrocostus Lactone For research use only.

Dehydrocostus Lactone

Dehydrocostus lactone (DHE), a natural sesquiterpene lactone, inhibits IKKβ activity, IκBα phosphorylation and degradation, coactivators p300 recruitments and p50/p65 NF-κB nuclear translocation, and their DNA binding activity on COX-2 promoter. It has anti-inflammatory, anti-ulcer, immunomodulatory and anti-tumor properties.

Dehydrocostus Lactone Chemical Structure

Dehydrocostus Lactone Chemical Structure

CAS No. 477-43-0

Purity & Quality Control

Dehydrocostus Lactone Related Products

Signaling Pathway

IκB/IKK Signaling Pathways

IκB/IKK Signaling Pathway

Biological Activity

Description Dehydrocostus lactone (DHE), a natural sesquiterpene lactone, inhibits IKKβ activity, IκBα phosphorylation and degradation, coactivators p300 recruitments and p50/p65 NF-κB nuclear translocation, and their DNA binding activity on COX-2 promoter. It has anti-inflammatory, anti-ulcer, immunomodulatory and anti-tumor properties.
Targets
IKKβ [2] COX2 [1]
In vitro
In vitro Dehydrocostus lactone can inhibit PGE2 synthesis in vitro. It significantly decreases the expression of COX-2, but not that of COX-1[1]. After treatment with DHE, the glioblastoma (U118, U251 or U87) cells are significantly inhibited in their viability, proliferation and migration. At the meantime, DHE also induces mitochondria-mediated apoptosis by promoting the release of cytochrome c into cytosol, which activating caspase signaling pathway. DHE significantly suppresses COX-2 expression by inhibiting the phosphorylation of IKKβ via targeting the ATP-binding site, thereby abrogating NF-κB binding and p300 recruitment to COX-2 promoter. DHE suppresses clonogenic and migratory ability of glioblastoma cells and induces apoptosis through mitochondrial pathway[2].
Cell Research Cell lines U118, U251 and U87 cells
Concentrations 0, 1, 10, 25, 50 and 100 μM
Incubation Time 12, 24, 36 or 48 h
Method U118 (6×103 cells/well), U251 (8×103 cells/well) and U87 (7×103 cells/well) cells are counted and allowed to adhere to obtain 70% confluent monolayer. Following this, the cells are treated with different concentrations of DHE as indicated. After incubation for 12, 24, 36 or 48 h, 10 μl of MTT (5 mg/ml) is added to each well and the cells are incubated for another 4 h. Subsequently, the medium is replaced with 100 μl of DMSO to dissolve formazan crystals. The absorbance is measured at 570 nm using a microplate reader. Each experiment is repeated at least three times. The IC50 values are calculated by interpolation from dose-response curves.
In Vivo
In vivo Dehydrocostus lactone suppresses the growth of colorecral cancer xenografts transplanted by colon cancer cell line colo205 in athymic mice. The inhibition effect is dose dependent[1]. DHE can cross blood-brain barrier (BBB). Treatment with DHE markedly inhibits neoplastic weight and volume without the notable adverse effects in the xenograft nude mice model, and these effects may be mediated through inhibition of the IKKβ/NF-κB/COX-2 signaling pathway[2].
Animal Research Animal Models The female athymic nude mice (4-6 weeks old) and Sprague Dawley rats (8-10 weeks old)
Dosages 10 and 20 mg/kg
Administration i.p.
NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT05337254 Completed
Migraine|Migraine With Aura|Migraine Without Aura
Satsuma Pharmaceuticals Inc.
 March 5 2021 Phase 1
NCT03874832 Completed
Migraine With Aura|Migraine Without Aura|Migraine
Satsuma Pharmaceuticals Inc.
 September 11 2018 Phase 1
NCT03451162 Completed
Breast Cancer
Genentech Inc.
 April 17 2018 Phase 1
NCT01468558 Completed
Healthy
Allergan|MAP Pharmaceuticals Inc. a wholly owned subsidiary of Allergan
 July 2010 Phase 1
NCT02862886 Completed
Pregnancy
Centre Hospitalier Universitaire Dijon
 July 2010 Not Applicable

Chemical Information & Solubility

Molecular Weight 230.30 Formula

C15H18O2
CAS No. 477-43-0 SDF Download Dehydrocostus Lactone SDF
Smiles C=C1CCC2C(C3C1CCC3=C)OC(=O)C2=C
Storage (From the date of receipt)

In vitro
Batch:

DMSO : 46 mg/mL ( (199.73 mM) Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Ethanol : 46 mg/mL

Water : Insoluble


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In vivo
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