Isosilybin
Isosilybin (Isosilybinin) is a flavonoid from Silybum marianum; inhibits CYP3A4 induction with an IC50 of 74 μM.
Product Specifications
CAS Number
72581-71-6
Product Name Alternative
Isosilybinin
UNSPSC
12352005
Hazard Statement
H302
Target
Cytochrome P450
Type
Natural Products
Related Pathways
Metabolic Enzyme/Protease
Applications
Cancer-Kinase/protease
Field of Research
Cancer
Assay Protocol
https://www.medchemexpress.com/Isosilybin.html
Purity
99.95
Solubility
DMSO : 100 mg/mL (ultrasonic)
Smiles
O=C1[C@H](O)[C@@H](C2=CC=C(OC(C3=CC=C(O)C(OC)=C3)C(CO)O4)C4=C2)OC5=CC(O)=CC(O)=C15
Molecular Formula
C25H22O10
Molecular Weight
482.44
Precautions
H302
References & Citations
[1]Mooiman KD, et al. Milk thistle's active components silybin and isosilybin: novel inhibitors of PXR-mediated CYP3A4 induction. Drug Metab Dispos. 2013 Aug;41 (8) :1494-504.|[2]Deep G, et al. Isosilybin B and isosilybin A inhibit growth, induce G1 arrest and cause apoptosis in human prostate cancer LNCaP and 22Rv1 cells. Carcinogenesis. 2007 Jul;28 (7) :1533-42.|[3]Deep G, et al. Isosilybin B causes androgen receptor degradation in human prostate carcinoma cells via PI3K-Akt-Mdm2-mediated pathway. Oncogene. 2008 Jun 26;27 (28) :3986-98.|[4]Pferschy-Wenzig EM, et al. Identification of isosilybin a from milk thistle seeds as an agonist of peroxisome proliferator-activated receptor gamma. J Nat Prod. 2014 Apr 25;77 (4) :842-7.
Shipping Conditions
Room Temperature
Storage Conditions
-20°C, 3 years; 4°C, 2 years (Powder)
Scientific Category
Natural Products
Clinical Information
No Development Reported
Isoform
CYP3
Available Sizes
Frequently Asked Questions
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