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W4016

Sigma-Aldrich

Wedelolactone

≥98% (HPLC), powder

Synonym(s):

1,8,9-Trihydroxy-3-methoxy-6H-benzofuro[3,2-c][1]benzopyran-6-one, 7-Methoxy-5,11,12-trihydroxycoumestan

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About This Item

Empirical Formula (Hill Notation):
C16H10O7
CAS Number:
524-12-9
Molecular Weight:
314.25
MDL number:
MFCD07778564
UNSPSC Code:
12352200
PubChem Substance ID:
24724667
NACRES:
NA.77

Assay

≥98% (HPLC)

form

powder

color

white to brown

solubility

DMSO: 10 mg/mL, clear

storage temp.

2-8°C

SMILES string

COc1cc(O)c-2c(OC(=O)c3c-2oc4cc(O)c(O)cc34)c1

InChI

1S/C16H10O7/c1-21-6-2-10(19)14-12(3-6)23-16(20)13-7-4-8(17)9(18)5-11(7)22-15(13)14/h2-5,17-19H,1H3

InChI key

XQDCKJKKMFWXGB-UHFFFAOYSA-N

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Biochem/physiol Actions

Wedelolactone inhibits NF-κB-mediated gene transcription in cells by blocking the phosphorylation and degradation of IκBα. Irreversible inhibitor of IKKα and β kinase activity (IC50 < 10 μM). Wedelolactone has no effects on p38 MAP kinase or Akt.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302

Precautionary Statements

P264 - P270 - P301 + P312 - P501

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Yean-Jang Lee et al.
European journal of medicinal chemistry, 56, 361-367 (2012-08-29)
The anticancer properties of demethylwedelolactone (DWEL) and wedelolactone (WEL), which are naturally occurring coumestans, have not been well characterized. In this study, we investigated the anti-invasive effects of synthetic WEL and DWEL on human MDA-MB-231 breast cancer cells. We found
Seyoung Lim et al.
Journal of cellular biochemistry, 113(11), 3436-3445 (2012-06-09)
Wedelolactone is an herbal medicine that is used to treat septic shock, hepatitis and venom poisoning. Although in differentiated and cancer cells, wedelolactone has been identified as anti-inflammatory, growth inhibitory, and pro-apoptotic, the effects of wedelolactone on stem cell differentiation
Kumiko Tanabe et al.
Journal of neuroinflammation, 8, 68-68 (2011-06-21)
Peripheral-type benzodiazepine receptor (PBR) expression levels are low in normal human brain, but their levels increase in inflammation, brain injury, neurodegenerative states and gliomas. It has been reported that PBR functions as an immunomodulator. The mechanisms of action of midazolam
Kumiko Tanabe et al.
Journal of neuroinflammation, 7, 16-16 (2010-03-09)
Interleukin (IL)-6 plays a pivotal role in a variety of CNS functions such as the induction and modulation of reactive astrogliosis, pathological inflammatory responses and neuroprotection. Tumor necrosis factor (TNF)-alpha induces IL-6 release from rat C6 glioma cells through the
Zhimin Chen et al.
The Journal of biological chemistry, 288(20), 14417-14427 (2013-04-13)
Signal transducers and activators of transcription 1 (STAT1) transduces signals from cytokines and growth factors, particularly IFN-γ, and regulates expression of genes involved in cell survival/death, proliferation, and migration. STAT1 is activated through phosphorylation on its tyrosine 701 by JAKs
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