| Description | L-asarinin ((-)-Episesamin) reduces peripheral blood concentration of IL-12 and inhibits the expression of CXCR3 and TLR4, which means Asarinin may have a role on the TLR4 pathway and produce prolongation of allograft heart survival. |
| Synonyms | 細辛素, (-)-Episesamin |
| molecular weight | 354.35 |
| Molecular formula | C20H18O6 |
| CAS | 133-05-1 |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year |
| Solubility | DMSO: 60 mg/mL (169.32 mM) Chloroform, Dichloromethane, Ethyl Acetate, Acetone, etc.: Soluble |
| References | 1. Gu J., et al. The effect of Asarinin on Toll-like pathway in rats after cardiac allograft implantation. Transplant Proc. 2015 Mar;47(2):545-8. 2. Bogurcu N., et al. ALCAPs induce mitochondrial apoptosis and activate DNA damage response by generating ROS and inhibiting topoisomerase I enzyme activity in K562 leukemia cell line. Biochem Biophys Res Commun. 2011 Jun 17;409(4):738-44. |
| Kinase | Samples containing either URB602 (300 μM), MGL (1.4 pM), or both URB602 and MGL are incubated at 37°C for 30 min in assay buffer. At various time points, the reaction is stopped with an equal volume of ice-cold methanol and directly analyzed in positive ionization mode by LC/MS. A SB-CN column (150×2.1 mm i.d., 5 μm) eluted is used with a linear gradient of methanol in water containing 0.25% acetic acid and 5 mM ammonium acetate (from 60% to 100% of methanol in 8 min) at a flow rate of 0.5 mL/min with column temperature at 50°C. Capillary voltage is set at 4 kV and fragmentor voltage is 100V. Nebulizer pressure is set at 60 psi. N2 is used as drying gas at a flow rate of 13 liters/min and a temperature of 350°C. ESI is in the positive mode and a full scan spectrum is acquired from m/z 100 to 600. Extracted ion chromatograms are used to quantify URB602 ([M+H]+, m/z 296)[2]. |