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Reference type: Journal
Authors: Gu XL, Huang JJ, Zhang L, Zhang Y, Wang CZ, Sun CH, Yao DD, Li F, Chen LN, Yuan CS
Article Title: Efficient discovery and capture of new neuronal nitric oxide synthase-postsynaptic density protein-95 uncouplers from herbal medicines using magnetic molecularly imprinted polymers as artificial antibodies.
Publication date: 2017
Journal: Journal of Separation Science
Volume: 40
Issue: (17)
Page numbers: 3522-3534.
DOI: 10.1002/jssc.201700595

Abstract: In the scope of stroke treatment, new neuronal nitric oxide synthase-postsynaptic density protein-95 uncouplers from herbal medicines were discovered and captured. To do so, highly selective magnetic molecularly imprinted polymers with a core-shell structure were prepared as artificial antibodies. According to the results of computational simulations, we designed and synthesized various polymers with varying amounts and types of template, functional monomer, cross-linker, and solvent. Characterization and performance tests revealed that the most appropriate artificial antibodies showed uniform spherical morphologies, large adsorption capacities, fast-binding kinetics, high selectivity, and quick separation. These artificial antibodies were then used as sorbents for dispersive magnetic solid-phase extraction coupled with high-performance liquid chromatography and mass spectrometry to capture and identify structural analogs to ZL006 from extracts of Scutellariae radix, Psoraleae fructus, and Trifolium pratense. Furthermore, according to the neuroprotective effect and coimmunoprecipitation test, Baicalein, Neobavaisoflavone, Corylifol A, and Biochanin A can be the potential uncouplers of neuronal nitric oxide synthase-postsynaptic density protein-95. Therefore, this present study contributes valuable information for the discovery of neuronal nitric oxide synthase-postsynaptic density protein-95 uncouplers from herbal medicines
Template and target information: neuronal nitric oxide synthase-postsynaptic density protein-95 uncouplers, Baicalein, Neobavaisoflavone, Corylifol A, Biochanin A
Author keywords: artificial antibodies, Herbal medicines, Magnetic molecularly imprinted polymers, neuronal nitric oxide synthase, stroke


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