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Key Documents

I0536

Sigma-Aldrich

IWP-2

≥98% (HPLC), powder, Wnt antagonist

Synonym(s):

N-(6-Methyl-2-benzothiazolyl)-2-[(3,4,6,7-tetrahydro-4-oxo-3-phenylthieno[3,2-d]pyrimidin-2-yl)thio]-acetamide

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About This Item

Empirical Formula (Hill Notation):
C22H18N4O2S3
CAS Number:
Molecular Weight:
466.60
MDL number:
UNSPSC Code:
12352202
PubChem Substance ID:
NACRES:
NA.77

product name

IWP-2, ≥98% (HPLC)

Assay

≥98% (HPLC)

form

powder

storage condition

desiccated

solubility

DMSO: 2 mg/mL, clear (warmed)

storage temp.

room temp

SMILES string

Cc1ccc2nc(NC(=O)CSC3=NC4=C(SCC4)C(=O)N3c5ccccc5)sc2c1

InChI

1S/C22H18N4O2S3/c1-13-7-8-15-17(11-13)31-21(23-15)25-18(27)12-30-22-24-16-9-10-29-19(16)20(28)26(22)14-5-3-2-4-6-14/h2-8,11H,9-10,12H2,1H3,(H,23,25,27)

InChI key

WRKPZSMRWPJJDH-UHFFFAOYSA-N

Application

IWP-2 has been used to treat the cell lines L-Wnt-3a and L-Wnt-5a, to demonstrate the inhibitory effect of IWP-2. It has also been used as a Wnt signaling inhibitor to treat WT and Gja1Jrt/+ stromal cells to confirm that, theWnt/β-catenin signaling pathway pathway was not involved in the increased marker expression by Gja1Jrt/+ osteoblasts.

Biochem/physiol Actions

IWP-2 is an inactivator of Porcn function; inhibitor of Wnt production. Wnt/b-catenin (‘canonical′) pathway maintains transcriptional programs that enable stem cells to remain multipotent. Hyperactivation of the Wnt/b-catenin pathway leads to disease stage. IWP-2 inhibits Wnt production. It appears that IWP inactivates Porcn function either by directly inhibiting the Porcn active site or by modulating the function of a Porcn regulator. Porcn is a member of the membrane-bound O-acyltransferase (MBOAT) family, which adds a palmitoyl group to Wnt proteins that is essential to their signaling ability and is required for Wnt secretion. IWP-2 is useful in both regenerative medicine and anticancer efforts.

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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Farhana Islam et al.
Behavioural brain research, 326, 217-225 (2017-03-13)
The mechanisms by which dopaminergic neurotransmission in the nucleus accumbens (NAc) is involved in incentive learning produced by rewarding stimuli remain unclear. Recently, Wnt signalling has been implicated in synaptic plasticity and learning and memory. Functional interactions between Wnt and
Ruitao Zhang et al.
Journal of experimental & clinical cancer research : CR, 38(1), 494-494 (2019-12-18)
Downregulation of microRNA-338-3p (miR-338-3p) was detected in many malignant tumors, which indicated miR-338-3p might serve as a role of antioncogene in those cancers. The present study aimed to explore the roles of miR-338-3p in the growth and metastasis of ovarian
Inhibition of Wnt signaling induces amyloidogenic processing of amyloid precursor protein and the production and aggregation of Amyloid-beta (A-beta) 42 peptides
Tapia-Rojas C, et al.
Journal of Neurochemistry, 139(6), 1175-1191 (2016)
Wenwen Liu et al.
Antioxidants & redox signaling, 30(11), 1389-1410 (2018-03-29)
Cisplatin can damage spiral ganglion neurons (SGNs) and cause sensorineural hearing loss. Wnt activation protects against neomycin-induced hair cell damage in the mouse cochlea, but the role of Wnt signaling in protecting SGNs from cisplatin treatment has not yet been
Francis Grafton et al.
eLife, 10 (2021-08-03)
Drug-induced cardiotoxicity and hepatotoxicity are major causes of drug attrition. To decrease late-stage drug attrition, pharmaceutical and biotechnology industries need to establish biologically relevant models that use phenotypic screening to detect drug-induced toxicity in vitro. In this study, we sought

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