Isosilybin NEW
| Price | $30 | $68 | $105 |
| Package | 1mg | 5mg | 10mg |
| Supply Ability: | 10g |
| Update Time: | 2026-04-20 |
Product Details
| Product Name: Isosilybin | CAS No.: 72581-71-6 |
| Purity: 99.92% | Supply Ability: 10g |
| Release date: 2026/04/20 |
Product Introduction
Bioactivity
| Name | Isosilybin |
| Description | Isosilybin (Isosilibinin) and Silybin might be suitable candidates to design potent PXR antagonists to prevent drug-drug interactions via CYP3A4 in cancer patients. |
| Cell Research | LNCaP cells and 22Rv1 cells are plated and treated at 40–50% confluency with different doses of isosilybin B and isosilybin A (10–90 μM in medium) dissolved originally in Dimethyl sulfoxide (DMSO) for the desired time periods (24–48 h) in serum condition. An equal amount of DMSO (vehicle) is present in each treatment, including control; DMSO concentration did not exceed 0.1% (v/v) in any treatment. At the end of desired treatments, total cell number is determined by counting each sample in duplicate using a hemocytometer under an inverted microscope. Cell viability is determined using trypan blue exclusion method[2]. |
| In vitro | The reporter gene assay demonstrates that the milk thistle constituents silybin and isosilybin inhibit the PXR-mediated induction of CYP3A4, with isosilybin being a more potent inhibitor. Concentrations of 89, 133, and 200 μM of isosilybin decrease CYP3A4 induction by 64, 82, and 88%, respectively, and achieve an IC50 of 74 μM[1]. Additionally, the diastereoisomers isosilybin B and isosilybin A, derived from silymarin, exhibit anti-prostate cancer (PCA) activity through cell cycle arrest and apoptosis induction in human prostate cancer cells LNCaP and 22Rv1[2]. Isosilybin B enhances phosphorylation of Akt and Mdm2, leading to androgen receptor degradation, which is reversed by PI3K inhibitor pretreatment. This process facilitates the formation of a complex that promotes phosphorylation-dependent ubiquitination and subsequent degradation of the androgen receptor[3]. Isosilybin A significantly activates PPARγ at a 30 μM concentration, leading to a concentration-dependent transactivation of a PPARγ-dependent luciferase reporter. In silico docking studies indicate isosilybin A interacts with the receptor's ligand-binding domain through an additional hydrogen bond not found with inactive silymarin constituents[4]. |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year Shipping with blue ice/Shipping at ambient temperature. |
| Solubility Information | DMSO : 125 mg/mL (259.1 mM), Sonication is recommended. Chloroform, Dichloromethane, Ethyl Acetate : Soluble 10% DMSO+40% PEG300+5% Tween 80+45% Saline : 3.3 mg/mL (6.84 mM), Sonication is recommended. |
| Keywords | Q100795 | Q 100795 | Isosilybin | Cytochrome P450 | CYP3A4 |
| Inhibitors Related | Tebuconazole | Oxadiazon | Musk ketone | Naringin dihydrochalcone | Ipriflavone | Benzyl alcohol | Sudan IV | Naringin | Tauroursodeoxycholate | Dibenzothiophene | Clarithromycin | Memantine hydrochloride |
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Company Profile Introduction
Target Molecule Corp. (TargetMol) is a global high-tech enterprise, headquartered in Boston, MA, specializing in chemical and biological research product and service to meet the research needs of global customers.
TargetMol has evolved into one of the biggest global compound library and small molecule suppliers and a customer based on 40+ countries. TargetMol offers over 80 types of compound libraries and a wide range of high-quality research chemicals including inhibitors, activator, natural compounds, peptides, inhibitory antibodies, and novel life-science kits, for laboratory and scientific use. Besides, virtual screening service is also available for customers who would like to conduct the computer-aided drug discovery.
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United States- Since: 2011-01-07
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