1. JAK/STAT Signaling
    Stem Cell/Wnt
  2. STAT

Casticin (Synonyms: Vitexicarpin)

Cat. No.: HY-N0516
Handling Instructions

Casticin is a methyoxylated flavonol isolated from Viticis Fructus, with antimitotic and anti-inflammatory effect. Casticin inhibits the activation of STAT3.

For research use only. We do not sell to patients.

Casticin Chemical Structure

Casticin Chemical Structure

CAS No. : 479-91-4

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  • Biological Activity

  • Protocol

  • Technical Information

  • Purity & Documentation

  • References


Casticin is a methyoxylated flavonol isolated from Viticis Fructus, with antimitotic and anti-inflammatory effect. Casticin inhibits the activation of STAT3.

IC50 & Target


In Vitro

Casticin (0.2-1.0 μM) dose-dependently inhibits the proliferation of KB cells, with an IC50 of 0.23 μM on day 3, while shows no significant inhibition on 3T3 Swiss Albino and TIG-103 cells. Casticin (0.6 μM) alters spindle morphology with partial mitotic spindle breakdown or with disordered spindles[1]. Casticin (0-40 μM) dose-dependently inhibits the proliferation of LX2 cells. Casticin (40 μM) suppresses L02 cells proliferation and induces apoptosis. Casticin inhibits fibrotic effects of TGF-β1 on ECM deposition in LX2 cells by evaluating the mRNA levels of TGF-β, collagen α1(I), MMP-2, MMP-9, TIMP-1 and TIMP-2[2]. Casticin (0-8 μM) reduces the viability of 786-O, YD-8, and HN-9 cells, but shows no significant effect on that of the normal HEL 299 cells. Casticin (5 μM) increases cleavage caspase-3 and PPAR, diminishes the levels of B-cell lymphoma-extra large (Bcl-xl), Bcl-2, IAP-1/-2, vascular endothelial growth factor (VEGF), matrix metallopeptidase 9 (MMP-9), and cyclooxygenase 2 (COX-2) proteins in 786-O, YD-8, and HN-9 cells. Casticin (5 μM) also promotes apoptotic cell death, inhibits constitutively active STAT3 in tumor cells, modulates STAT3 activation by altering the activity of upstream STAT3 regulators, and abrogates IL-6-induced STAT3 activation. In addition, Casticin (2.5 μM) enhances the effect of ionizing radiation in 786-O cells and potentiates the therapeutic effect of radiotherapy[3].

In Vivo

Casticin (20 mg/kg, p.o.) has toxic effect on the liver in mice with CCl4-and BDL-induced hepatic injury. Casticin attenuates liver fibrosis induced by CCl4 or BDL in vivo. Casticin inhibits HSC activation and collagen matrix expression by blocking TGF-β/Smad signaling in vivo[2].

Solvent & Solubility
In Vitro: 

10 mM in DMSO

Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.6714 mL 13.3568 mL 26.7137 mL
5 mM 0.5343 mL 2.6714 mL 5.3427 mL
10 mM 0.2671 mL 1.3357 mL 2.6714 mL
*Please refer to the solubility information to select the appropriate solvent.
Cell Assay

LX-2 cells or L02 cells are plated at a density of 5 × 103 cells per well in a 96-well plate and treated with Casticin (0-40 μM) for 48 h in growth medium containing serum. Cell proliferation is determined using a CCK-8 assay kit[2].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Administration

Male mice 6-8 weeks of age weighing 20-30 g are kept in a temperature-controlled room with an alternating 12 h dark and light cycle. A total of 32 mice are divided randomly into four groups of 8 animals each: control, Casticin, CCl4, and CCl4 + Casticin. To induce liver fibrosis, CCl4 dissolved in olive oil (20%) is injected intraperitoneally into mice (1.0 mL/kg body weight) in the CCl4 and CCl4 + Casticin groups twice a week for six weeks. Mice in the control group and Casticin group are injected with an equivalent volume of olive oil. Casticin is dissolved in 0.25% Tween-80. After treatment with CCl4 or olive oil for six weeks, mice in the Casticin group and CCl4 + Casticin group receives Casticin (20 mg/kg) by gastric gavage daily for two weeks, and the other two groups are given the equivalent volume of 0.25% Tween-80. After the eight week intervention period, mice are euthanatized under 3% pentobarbital sodium anesthesia (40 mg/kg ip), and the livers and blood from all animals are collected. Serum is obtained by centrifugation (1600 g, 15 min) and stored at −20°C for further examination[2].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Molecular Weight









Please store the product under the recommended conditions in the Certificate of Analysis.


Room temperature in continental US; may vary elsewhere

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This equation is commonly abbreviated as: C1V1 = C2V2

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Cat. No.: HY-N0516