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Pack Size | Price | Availability | Quantity |
---|---|---|---|
5 mg | $900 | Backorder | |
1 mL x 10 mM (in DMSO) | $920 | Backorder |
Description | Magnaldehyde B is a natural lipase inhibitor(IC50= 96.96 uM). Magnaldehyde B can inhibit the proliferation of tumor cells, and might be an anti-tumoric agent. |
In vitro | Lipase is the key enzyme for catalyzing triglyceride hydrolysis in vivo, and lipase inhibitors have been used in the management of obesity. METHODS AND RESULTS:We present the first report on the use of lipase-adsorbed halloysite nanotubes as an efficient medium for the selective enrichment of lipase inhibitors from natural products. A simple and rapid approach was proposed to fabricate lipase-adsorbed nanotubes through electrostatic interaction. Results showed that more than 85% lipase was adsorbed into nanotubes in 90 min, and approximately 80% of the catalytic activity was maintained compared with free lipase. The specificity and reproducibility of the proposed approach were validated by screening a known lipase inhibitor (i.e., orlistat) from a mixture that contains active and inactive compounds. Moreover, we applied this approach with high performance liquid chromatography-mass spectrometry technique to screen lipase inhibitors from the Magnoliae cortex extract, a medicinal plant used for treating obesity. Two novel biphenyl-type natural lipase inhibitors magnotriol A and Magnaldehyde B were identified, and their IC50 values were determined as 213.03 and 96.96 μM, respectively. CONCLUSIONS: The ligand-enzyme interactions of Magnaldehyde B were further investigated by molecular docking. Our findings proved that enzyme-adsorbed nanotube could be used as a feasible and selective affinity medium for the rapid screening of enzyme inhibitors from complex mixtures. |
Molecular Weight | 280.323 |
Formula | C18H16O3 |
Cas No. | 92829-72-6 |
Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. |
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