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Rapid Screening and Identification of Bioactive Compounds Specifically Binding to Beta 2-adrenoceptor from San-ao Decoction Using Affinity Magnetic Fine Particles Coupled with High-performance Liquid Chromatography-mass Spectrometry

Overview
Journal Chin Med
Publisher Biomed Central
Date 2018 Sep 28
PMID 30258489
Citations 2
Authors
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Abstract

Background: San-ao decoction (SAD) has been widely used in Chinese medicine against respiratory diseases, such as asthma and rhinallergosis. The bioactive compounds for such pharmacological action remain unknown.

Methods: We developed a methodology to isolate the bioactive compounds of SAD. The assay involved the immobilization of beta 2-adrenoceptor ( -AR) onto magnetic fine particles, the capture of target compounds by the immobilized receptor, the identification of the receptor bound compounds by reversed-phase high-performance liquid chromatography coupled with tandem mass spectrometry.

Results: Vicenin, shaftoside, isoshaftoside, liquiritin apioside and isoliquiritin apioside were identified as -AR ligands in SAD extract. The binding of these compounds to -AR occurred on serine, serine and phenylalanine of the receptor.

Conclusions: The developed methodology has high stability and specificity for recognizing and isolating target compounds. It is an alternative method for rapidly screening bioactive compounds of immobilized receptor from Chinese prescriptions.

Citing Articles

Solid-phase extraction with the functionalization of calcium-sensing receptors onto magnetic microspheres as an affinity probe can capture ligands selectively from herbal extract.

Cheng P, Meng K, Shi X, Jiao M, Han Y, Li X Mikrochim Acta. 2023; 191(1):34.

PMID: 38108923 DOI: 10.1007/s00604-023-06092-4.


Exploring new targets and chemical space with affinity selection-mass spectrometry.

Prudent R, Annis D, Dandliker P, Ortholand J, Roche D Nat Rev Chem. 2023; 5(1):62-71.

PMID: 37118102 DOI: 10.1038/s41570-020-00229-2.

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