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Li FW, Zhou N, Li JJ, Zhang YJ, Zhao X. Protective effects of bioactive components targeting β2-adrenergic receptors and muscarinic-3 acetylcholine receptor in Zhisou San on ovalbumin-induced allergic asthma. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2024:1-16. [PMID: 38874436 DOI: 10.1080/10286020.2024.2365442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 06/04/2024] [Indexed: 06/15/2024]
Abstract
One promising approach to overcome drug resistance in asthma treatments involves dual-target therapy, specifically targeting the β2 adrenergic receptor (β2-AR) and muscarinic-3 acetylcholine receptor (M3R). This study investigated the anti-asthma effects and dual-target mechanisms of glycyrrhizic acid, hesperidin, and platycodin D (GHP) from Zhisou San. GHP administration effectively attenuated OVA-induced inflammatory infiltration and overproduction of mucus in asthmatic mice. Additionally, GHP treatment significantly suppressed M3R and promoted β2-AR activation, resulting in the relaxation of tracheal smooth muscle. These findings concluded that GHP mitigated asthma by targeting β2-AR and M3R to ameliorate airway inflammation and modulate airway smooth muscle relaxation.
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Affiliation(s)
- Feng-Wu Li
- Chemical Drug Department, Xi'an Food and Drug Inspection Institute, Xi'an 710172, China
| | - Na Zhou
- Chemical Drug Department, Xi'an Food and Drug Inspection Institute, Xi'an 710172, China
| | - Jing-Jing Li
- Chemical Drug Department, Xi'an Food and Drug Inspection Institute, Xi'an 710172, China
| | - Ya-Jun Zhang
- College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Xue Zhao
- College of Life Sciences, Northwest University, Xi'an 710069, China
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2
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Zhu H, Zheng X, Ou Y, Wang G, Qu L, Li Q, Zhao X, Zhao X. A universal method for surface-based binding assays by preparing immobilized β 2-adrenergic receptor stationary phase using solid binding peptide as a fusion tag. J Chromatogr A 2024; 1730:465037. [PMID: 38889580 DOI: 10.1016/j.chroma.2024.465037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Revised: 05/28/2024] [Accepted: 05/30/2024] [Indexed: 06/20/2024]
Abstract
Protein functionalized surface has the potential to develop new assays for determining the drug-like properties of potential compounds and discovering specific partners of G protein-coupled receptors (GPCRs). However, a universal method for purifying and immobilizing functional GPCRs has remained elusive. To this end, we developed a general and rapid way to purify and immobilize β2-adrenergic receptor (β2AR) by silicon-specific peptide. We screened CotB1p as a tag from six silica-binding peptides (minTBP-1, CotB1p, SB7, Car9, and Si4-1) by examining their affinity to macroporous silica gel. We investigated the adsorption and desorption of CotB1p-tagged β2-adrenoceptor (β2AR-CotB1p) under diverse conditions to propose a protocol for receptor purification and immobilization. Under optimized conditions, β2AR immobilization were achieved by directly immersing cell lysates harboring the receptor with silica gel, and the elution of the receptor without demonstratable contaminants was realized by including l-arginine/L-lysine in the elutes. This allows purification of the receptor from Escherichia coli (E.coli) lysates with a purity of 95 %. The immobilized receptor was utilized as a stationary phase to reveal the tag impact on ligand-binding outputs by comparing the CotB1p-strategy with a typical covalent method. The KAs of salbutamol, chlorprenaline, tulobuterol, and terbutaline on β2AR-CotB1p column were 1.26 × 106, 6.59 × 106, 7.90 × 106, and 8.97 × 105 M-1 respectively, which were two orders of magnitude higher than those on the Halo-β2AR column. The whole immobilization was accomplished within 30 min without the requirement of any special treatment, resulting in enhanced accuracy for determining receptor-ligand binding parameters. Taken together, CotB1p-mediated strategy is simple, rapid, and universal for purification or immobilization of unstable biomolecules like GPCRs for analytical and biological applications.
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Affiliation(s)
- Huiting Zhu
- College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Xinxin Zheng
- College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Yuanyuan Ou
- College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Ge Wang
- College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Lejing Qu
- College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Qian Li
- College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Xue Zhao
- College of Life Sciences, Northwest University, Xi'an, 710069, China.
| | - Xinfeng Zhao
- College of Life Sciences, Northwest University, Xi'an, 710069, China.
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3
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Qiao S, Zheng X, Ou Y, Li T, Zhao X, Quan J, Zhao X, Li Q. Highly efficient GPCR immobilization with enhanced fouling resistance, salt tolerance, and chromatographic performance. Colloids Surf B Biointerfaces 2024; 236:113818. [PMID: 38417347 DOI: 10.1016/j.colsurfb.2024.113818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 01/29/2024] [Accepted: 02/20/2024] [Indexed: 03/01/2024]
Abstract
The feasibility of immobilized protein-based biodetection relies critically on the activity of the immobilized proteins as well as the biocompatibility of the protein surface. Although many protein immobilization strategies have been developed with satisfied detection readout signals. Non-specific interactions caused by the protein-coating surface are still of great concern since they often interfere with or affect the reliability of detection. Herein, we developed a highly efficient G protein-coupled receptor (GPCR) immobilization method by the combination of polyethylene glycol (PEG) with a self-labeling enzyme-catalyzed reaction. The immobilization relies on the covalent interaction between the fusion tag of a target GPCR (kinase domain of epidermal growth factor receptor, EGFR) and its covalent inhibitor ibrutinib, which is modified on PEGylated silica gels. Two types of GPCRs, N-methyl-D-aspartate 2 A receptor (NMDAR2A) and endothelin A receptor (ETAR), were used as examples to realize protein immobilization. The GPCR modified gels and the affinity columns packed with them have been extensively characterized, in terms of non-specific adsorptions, retention factor (k'), half peak width (W1/2), tailing factor (Tf), theoretical plates (N), and association and dissociation constants of the ligands with the receptors. The immobilized GPCRs with reduced non-specific interactions and enhanced fouling resistance, salt tolerance, and chromatographic performance were clearly observed. We believe it is the first work to introduce PEGylation in GPCR immobilization and provide comprehensive proof-of-concept studies to illustrate the improved antifouling property, salt tolerance, and chromatographic performance. This method could be generally applicable in other immobilized protein-based technology for reliable biodetection.
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Affiliation(s)
- Sai Qiao
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Xinxin Zheng
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Yuanyuan Ou
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Ting Li
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Xue Zhao
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Jia Quan
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Xinfeng Zhao
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Qian Li
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, China.
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4
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Zhao X, Xiang M, Zhang Z, Li S, Li T, Qu L, Qiao S, Li Q, Quan J, Zhao X. A label-free strategy for immobilization of GPCRs using site-specific encoded non-natural amino acids to develop a selectively chromatographic approach for pursuing potential ligands binding to 5-hydroxytryptamine 1A receptor. J Chromatogr A 2024; 1718:464715. [PMID: 38330726 DOI: 10.1016/j.chroma.2024.464715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Revised: 02/01/2024] [Accepted: 02/02/2024] [Indexed: 02/10/2024]
Abstract
G protein-coupled receptors (GPCRs) are one of the most prominent targets for drug discovery. Immobilizing GPCRs has proven to be an effective strategy for expanding the utility of GPCRs into nonbiological contexts. However, traditional strategies of immobilizing GPCRs have been severely challenged due to the loss of receptor function. Here, we reported a novel and general approach to realize the label-free and site-selective immobilization of 5-hydroxytryptamine 1A receptor (5-HT1AR) and the application in developing a chromatographic method with improved specificity for pursuing 5-HT1AR ligands from natural products. This method involved the use of a clickable non-natural amino acid, O-allyl-L-tyrosine (O-ALTyr) to immobilize the receptor onto thiol-functionalized silica gels through a 'thiol-ene' click chemistry, which allowed us to avoid the purification step and directly immobilize 5-HT1AR on silica gels. The immobilized receptor was characterized using immunofluorescence assay, and receptor-ligand interaction analysis was conducted through frontal analysis. To test the feasibility of the immobilized 5-HT1ARO-ALTyr in complex matrices, bioactive compounds in Ziziphi Spinosae Semen (ZSS) were screened and their interaction with the receptor was assessed using zonal elution. Our findings indicated that immobilizing the receptor through nnAAs effectively minimizes the chromatographic peak tailing and broadening of specific ligands, leading to a significant improvement in chromatographic performance. The association constants of the three ligands to 5-HT1AR were approximately one order of magnitude greater than those of Halo-tag attachment. These results demonstrated that the immobilized 5-HT1AR exhibits high specificity and the ability to recognize receptor ligands from complex matrices. This allowed us to identify magnoflorine (Mag) as a potential ligand of 5-HT1AR from ZSS extract. In vivo assay also proved that Mag presented a promising anxiolytic effect by promoting the expression of 5-HT1AR in mice brain. The above findings pointed to the fact that the immobilized 5-HT1AR affinity chromatographic strategy relying on the site-specific encoded non-natural amino acid is a powerful alternative for precisely determining the drug-protein interaction and discovering the specific ligand of GPCRs from complex matrixes.
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Affiliation(s)
- Xue Zhao
- College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Mingjuan Xiang
- College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Zilong Zhang
- College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Shiyan Li
- Deapartment of Chemistry, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - Ting Li
- College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Lejing Qu
- College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Sai Qiao
- College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Qian Li
- College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Jia Quan
- College of Life Sciences, Northwest University, Xi'an 710069, China.
| | - Xinfeng Zhao
- College of Life Sciences, Northwest University, Xi'an 710069, China.
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5
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Jia Q, Lv Y, Miao C, Feng J, Ding Y, Zhou T, Han S, He L. A new MAS-related G protein-coupled receptor X2 cell membrane chromatography analysis model based on HALO-tag technology and its applications. Talanta 2024; 268:125317. [PMID: 37879202 DOI: 10.1016/j.talanta.2023.125317] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 09/04/2023] [Accepted: 10/14/2023] [Indexed: 10/27/2023]
Abstract
Cell membrane chromatography (CMC) is an effective method for studying receptors with multiple transmembrane structure such as MAS-related G protein-coupled receptor X2 (MrgX2). CMC relies on the maintenance of the complete biological structure of a membrane receptor; however, it needs to be further improved to obtain a more convenient and stable CMC model. In the present study, the haloalkane dehalogenase protein tag (HALO-tag) technology was used to construct a new MrgX2/CMC model. The fusion receptors of MrgX2 with HALO-tag at the C terminus were expressed in HEK293 cells. The silica gel was modified with a substrate of HALO-tag (chloroalkanes) via one-step acylation for the rapid capture of fusion receptors. The new CMC model (MrgX2-HALO-tag/CMC model) was not only quicker to prepare but also more stable and had a longer lifespan than a previous MrgX2-SNAP-tag/CMC model. In combination with the high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) system, the MrgX2-HALO-tag/CMC model was used to screen and identify bioactive components in traditional Chinese medicine. Using this combination, sanggenon C and morusin were identified from Mori Cortex as anti-pseudo-allergic components. The MrgX2-HALO-tag/CMC model alone was also applied to analyze ligand-receptor interaction. The affinity order of four ligands to MrgX2 was as follows: desipramine < imipramine < amitriptyline < clomipramine. This was consistent with the results obtained using the MrgX2-SNAP-tag/CMC model. The MrgX2-HALO-tag/CMC model provides ideas and application prospects for the immobilization of cell membrane that contains receptors with more transmembrane structures.
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Affiliation(s)
- Qianqian Jia
- School of Pharmacy, Xi'an Jiaotong University, 76# Yanta West Road, Xi'an, 710061, China; Institute of Pharmaceutical Science and Technology, Western China Science &Technology Innovation Harbour, Xi'an, 710115, China
| | - Yanni Lv
- School of Pharmacy, Xi'an Jiaotong University, 76# Yanta West Road, Xi'an, 710061, China; Institute of Pharmaceutical Science and Technology, Western China Science &Technology Innovation Harbour, Xi'an, 710115, China
| | - Chenyang Miao
- School of Pharmacy, Xi'an Jiaotong University, 76# Yanta West Road, Xi'an, 710061, China; Institute of Pharmaceutical Science and Technology, Western China Science &Technology Innovation Harbour, Xi'an, 710115, China
| | - Jingting Feng
- School of Pharmacy, Xi'an Jiaotong University, 76# Yanta West Road, Xi'an, 710061, China; Institute of Pharmaceutical Science and Technology, Western China Science &Technology Innovation Harbour, Xi'an, 710115, China
| | - Yifan Ding
- School of Pharmacy, Xi'an Jiaotong University, 76# Yanta West Road, Xi'an, 710061, China; Institute of Pharmaceutical Science and Technology, Western China Science &Technology Innovation Harbour, Xi'an, 710115, China
| | - Tongpei Zhou
- School of Pharmacy, Xi'an Jiaotong University, 76# Yanta West Road, Xi'an, 710061, China; Institute of Pharmaceutical Science and Technology, Western China Science &Technology Innovation Harbour, Xi'an, 710115, China
| | - Shengli Han
- School of Pharmacy, Xi'an Jiaotong University, 76# Yanta West Road, Xi'an, 710061, China; Institute of Pharmaceutical Science and Technology, Western China Science &Technology Innovation Harbour, Xi'an, 710115, China.
| | - Langchong He
- School of Pharmacy, Xi'an Jiaotong University, 76# Yanta West Road, Xi'an, 710061, China; Institute of Pharmaceutical Science and Technology, Western China Science &Technology Innovation Harbour, Xi'an, 710115, China.
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6
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Qu L, Li T, Cun S, Zheng X, Xiang M, Dong Y, Ji X, Bian L, Li Q, Zhao X. A chromatographic method for determining the interaction between a drug and two target proteins by fabricating a dual-heterogeneous surface. J Chromatogr A 2024; 1715:464606. [PMID: 38154257 DOI: 10.1016/j.chroma.2023.464606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 12/21/2023] [Accepted: 12/22/2023] [Indexed: 12/30/2023]
Abstract
Characterization of the drug-target interactions is pivotal throughout the whole procedure of drug development. Most of the current assays, particularly, chromatographic methods lack the capacity to reveal drug adsorption on the muti-target surface. To this end, we derived a reliable and workable mathematical equation for revealing drug bindings to dual targets on the heterogeneous surface starting from the mass balance equation. The derivatization relied on the correlation of drug injection amounts with their retention factors. Experimental validation was performed by determining the binding parameters of three canonical drugs on a heterogeneous surface, which was fabricated by fusing angiotensin receptor type I and type II receptors (AT1R and AT2R) at the terminuses of circularly permuted HaloTag (cpHaloTag) and immobilizing the whole fusion protein onto 6-bromohexanoic acid modified silica gel. We proved that immobilized AT1R-cpHalo-AT2R maintained the original ligand- and antibody-binding activities of the two receptors in three weeks. The association constants of valsartan, candesartan, and telmisartan to AT1R were (6.26±0.14) × 105, (9.66±0.71) × 105, and (3.17±0.03) × 105 L/mol. In the same column, their association constants to AT2R were (1.25±0.04) × 104, (2.30±0.08) × 104, and (8.51±0.06) × 103 L/mol. The patterns of the association constants to AT1R/AT2R (candesartan>valsartan>telmisartan) were in good line with the data by performing nonlinear chromatography on control columns containing immobilized AT1R or AT2R alone. This provided proof of the fact that the derivatization allowed the determination of drug bindings on the heterogeneous surface with the utilization of a single series of injections and linear regression. We reasoned that is simple enough to model the bindings of drug adsorption on commercially available adsorbents in fundamental or industrial fields, thus having the potential to become a universal method for analyzing the bindings of a drug to the heterogeneous surface containing multiple targets.
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Affiliation(s)
- Lejing Qu
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Ting Li
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Sidi Cun
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Xinxin Zheng
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Mingjuan Xiang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Yuxuan Dong
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Xu Ji
- Engineering Research Center of Tibetan Medicine Detection Technology, Ministry of Education, Xizang Minzu University, Xianyang 712082, China
| | - Liujiao Bian
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Qian Li
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, China.
| | - Xinfeng Zhao
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, China
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Jin Y, Wang W, Zhang Z, Ou Y, Quan J, Zhao X. Stepwise Frontal Analysis Coupled with Affinity Chromatography: A Fast and Reliable Method for Potential Ligand Isolation and Evaluation from Mahuang-Fuzi-Xixin Decoction. Chem Biodivers 2023; 20:e202201057. [PMID: 36756691 DOI: 10.1002/cbdv.202201057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 02/04/2023] [Accepted: 02/08/2023] [Indexed: 02/10/2023]
Abstract
Mahuang-Fuzi-Xixin Decoction (MFXD) is widely used in the treatment of asthma, however, the functional components in the decoction targeting beta2-adrenoceptor (β2 -AR) remain unclear. Herein, we immobilized the haloalkane dehalogenase (Halo)-tagged β2 -AR on the 6-chlorocaproic acid-modified microspheres. Using the affinity stationary phase, the interactions of four ligands with the receptor were analyzed by stepwise frontal analysis. The association constants were (4.75±0.28)×104 M-1 for salbutamol, (2.93±0.15)×104 M-1 for terbutaline, (1.23±0.03)×104 M-1 for methoxyphenamine, (5.67±0.38)×104 M-1 for clorprenaline at high-affinity binding site, and (2.73±0.05)×103 M-1 at low-affinity binding site. These association constants showed the same rank order as the radioligand binding assay, demonstrating that immobilized β2 -AR had capacity to screen bioactive compounds binding to the receptor while stepwise frontal analysis could predict their binding affinities. Application of the immobilized receptor in analysis of MFXD by chromatographic method revealed that ephedrine, aconifine, karakoline, and chasmanine were the bioactive compounds targeting β2 -AR. Among them, ephedrine and chasmanine exhibited association constants of (2.94±0.02)×104 M-1 and (4.60±0.15)×104 M-1 to the receptor by stepwise frontal analysis. Molecular docking analysis demonstrated that ephedrine, chasmanine, and the other two compounds interact with β2 -AR through the same pocket involving the key amino acids such as Asn312, Asp113, Phe289, Trp286, Tyr316, and Val114. As such, we reasoned that the four compounds dominate the therapeutic effect of MFXD against asthma through β2 -AR mediating pathway. This work shed light on the potential of immobilized β2 -AR for drug discovery and provided a valuable methodology for rapid screening.
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Affiliation(s)
- Yahui Jin
- College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Wenwen Wang
- College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Zilong Zhang
- College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Yuanyuan Ou
- College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Jia Quan
- College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Xinfeng Zhao
- College of Life Sciences, Northwest University, Xi'an, 710069, China
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8
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Xue Y, Zhang Z, Wang G, Wan S, Li Q, Zhao X. Protein superglue inspired in-situ one-step site-specific immobilization of beta2-adrenoceptor and its application in bioactive compound screening from Cortex Magnoliae Officinalis. J Chromatogr A 2023; 1690:463780. [PMID: 36638688 DOI: 10.1016/j.chroma.2023.463780] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 12/21/2022] [Accepted: 01/05/2023] [Indexed: 01/09/2023]
Abstract
The platforms based on immobilization of transmembrane proteins have become an effective way to study drug-protein interaction and identify new leads for drug discovery. Herein, we exploited the protein superglue (i.e. SpyTag-SpyCatcher chemistry) for site-specific, oriented, and in-situ one-step beta2-adrenoceptor (β2-AR) immobilization. SpyCatcher was used as a fusion tag at the C-terminal of β2-AR and the macroporous silica gels were functionalized with the SpyTag peptide. Immobilization was realized by immersing the gels into the E.coli cell lysate containing β2-AR-SpyCatcher. Characterization of the functionalized gels was performed by X-ray photoelectron spectroscopy and fluorescence microscopy. Adsorption energy distribution calculation, injection amount dependent analysis (IADA) and nonlinear chromatographic were used for receptor-ligand interaction analysis. The affinity rank order of four ligands to the receptor was tulobuterol> chlorprenaline> salbutamol> terbutaline, which showed highly consistent with data from the radioligand binding assay and the β2-AR column prepared by HaloTag technology. Magnolol and honokiol were screened from Cortex Magnoliae Officinalis and proved to promote the expression of the receptor in human airway smooth muscle cells. Our work unraveled the great potential to generate good bioactivity of the immobilized β2-AR through Spy toolbox. This technology can be extended to the immobilization of other functional proteins, providing a better alternative in the field of bioanalysis, biosensing, and separation science.
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Affiliation(s)
- Yan Xue
- College of Life Science, Northwest University, Xi'an, Shaanxi 710069, China
| | - Zilong Zhang
- College of Life Science, Northwest University, Xi'an, Shaanxi 710069, China
| | - Ge Wang
- College of Life Science, Northwest University, Xi'an, Shaanxi 710069, China
| | - Shuangru Wan
- College of Life Science, Northwest University, Xi'an, Shaanxi 710069, China
| | - Qian Li
- College of Life Science, Northwest University, Xi'an, Shaanxi 710069, China.
| | - Xinfeng Zhao
- College of Life Science, Northwest University, Xi'an, Shaanxi 710069, China
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9
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de Souza P, da Silva RDCV, Mariano LNB, Dick SL, Ventura GC, Cechinel-Filho V. Diuretic and Natriuretic Effects of Hesperidin, a Flavanone Glycoside, in Female and Male Hypertensive Rats. PLANTS (BASEL, SWITZERLAND) 2022; 12:plants12010025. [PMID: 36616153 PMCID: PMC9824741 DOI: 10.3390/plants12010025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 12/09/2022] [Accepted: 12/19/2022] [Indexed: 05/14/2023]
Abstract
Hesperidin (HSP) is a major flavanone glycoside in citrus fruits, including sweet oranges and lemons. It demonstrates numerous pharmacological activities, such as antihypertensive effects and cardiac and kidney tissue protection. However, its effect on modulating renal function has yet to be properly explored. Female and male Wistar spontaneously hypertensive rats (SHR) were used to test the effect of HSP on renal function. The rats were divided into different groups, treated orally, and placed in metabolic cages for urine collection for 8 h. HSP, at doses of 0.3-3 mg/kg, led to an increase in urine volume in both female and male SHR. This effect was associated with increased Na+ elimination (3 mg/kg) without causing any change in K+ excretion or pH and conductivity values. When given HSP in combination with hydrochlorothiazide (HCTZ) or amiloride (AMLR), urine volume and Na+ elimination were significantly increased compared to the group that received only HSP. In relation to K+ excretion, the depleting effect of HCTZ and the sparing of AMLR prevailed in both groups. Pre-treatment with a non-selective cholinergic receptor antagonist, atropine, partially prevented HSP-induced diuresis and natriuresis in male SHR, but this effect was not demonstrated with the non-selective inhibitor of the enzyme cyclooxygenase, indomethacin. This study shows the diuretic action of HSP in hypertensive rats, an activity probably associated with the cholinergic pathway. Although various biological actions have already been defined for HSP, this pioneering research reveals its potential as a diuretic medicine.
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Qiao S, Ou Y, Liu L, Wang S, Bian L, Zhao X. Mathematical and experimental validation of an approach for simultaneously determining the binding parameters of two drugs to a receptor. J Chromatogr A 2022; 1685:463593. [DOI: 10.1016/j.chroma.2022.463593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/19/2022] [Accepted: 10/19/2022] [Indexed: 11/27/2022]
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Liang Q, Shi B, Yao Q, Wang T, Ji X, Zhang Y, Wang J, Zhao X. Early potential evaluation of lead compounds from a DNA-encoded library by the determination of their thermodynamics through a chromatographic method based on immobilized β 2-adrenoceptor. Bioorg Med Chem 2022; 68:116864. [PMID: 35671625 DOI: 10.1016/j.bmc.2022.116864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 05/11/2022] [Accepted: 05/27/2022] [Indexed: 11/02/2022]
Abstract
Early potential evaluation of lead compounds is critical to decrease downstream lead-optimization cycle times and clinical attrition rates for drug development. This increasingly necessitates the methodologies for accurately evaluating the potential compounds. This work immobilized β2-adrenoceptor (β2-AR) onto microspheres through Halo-tag mediated reaction. Characterizing the resulting microspheres by elemental and functional analysis, we utilized the immobilized receptor to determine the thermodynamics of terbutaline, tulobuterol, clorprenaline, salbutamol, and methoxyphenamine. The association constants correlated to their capacity factors on the column containing the immobilized β2-AR, thus providing a possibility for early potential evaluation of lead compounds from complex matrices like a DNA-encoded library. By this model, the lead compound (XC267) was predicted to have an association constant higher than terbutaline, salbutamol, and methoxyphenamine, but lower than tulobuterol and clorprenaline. The binding interaction between XC267 and β2-AR is a spontaneous endothermic process with an association constant of (6.62 ± 0.13) × 104 M-1 at 37 °C. The change of Gibbs free energy(ΔGθ), enthalpy change (ΔHθ), and entropy change (ΔSθ) was -28.49 kJ/mol, -10.58 kJ/mol, and 57.79 J/moL·K at 37 °C. By the semi-empirical rule of Ross, the driving force of the interaction between XC267 and β2-AR was electrostatic interaction. Such binding force was also achieved by molecular docking. These results suggested that XC267 is a candidate to treat asthma by specific binding to β2-AR. We reasoned that receptor chromatography is able to the early potential evaluation of lead compounds from complex matrices.
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Affiliation(s)
- Qi Liang
- College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Bowen Shi
- Xi'an International Medical Center Hospital, Xi'an 710100, China
| | - Qingqing Yao
- College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Taotao Wang
- College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Xu Ji
- Engineering Research Center of Tibetan Medicine Detection Technology, Ministry of Education, Xizang Minzu University, Xianyang 712082, China
| | - Yajun Zhang
- College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Jing Wang
- College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Xinfeng Zhao
- College of Life Sciences, Northwest University, Xi'an 710069, China.
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Xu R, Cheng P, Meng K, Li L, Jiao M, Zhao X, Jia P, Zheng X, Xiao C. Extracellular domain of human calcium sensing receptor immobilized to silica beads as biomaterial: a rapid chromatographic method for recognizing ligands from complex matrix ‘Shuangdan’. J Chromatogr B Analyt Technol Biomed Life Sci 2022; 1208:123409. [DOI: 10.1016/j.jchromb.2022.123409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/03/2022] [Accepted: 08/04/2022] [Indexed: 10/15/2022]
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Covalent immobilization of beta2 adrenergic receptor through trans-methylation reaction by SNAP-tag and its application in anti-asthmatic compound screening from Raphani Semen. J Pharm Biomed Anal 2022; 219:114952. [PMID: 35872415 DOI: 10.1016/j.jpba.2022.114952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 07/15/2022] [Accepted: 07/16/2022] [Indexed: 11/20/2022]
Abstract
Beta2-adrenergic receptor (β2-AR) is believed as an attractive target for anti-asthmatic drugs. Its crystal structure and pharmacological activity have been clearly investigated. Yet the number of the approved anti-asthmatic drugs has declined in recent years. This work reports on the preparation of an immobilized β2-AR column through the specific trans-methylation reaction between SNAP tag and the benzyl-guanine derivative and application in anti-asthmatic compound screening from Raphani Semen. The characterization of the immobilized β2-AR was performed by scanning electron microscopy (SEM) and receptor-ligand interaction analysis by chromatographic methods. SEM analysis showed that the receptor has been successfully coated on the surface of PEGA amino microspheres. Binding constants of salbutamol and terbutaline calculated from frontal analysis within the temperature range of 10-30 ℃ confirmed the feasibility of the method in a thermodynamic viewpoint. Hydrogen bond was verified as the main driving force for drug-receptor interaction analysis. Sinapine was identified as the potential bioactive compound in Raphani Semen that specifically bind with β2-AR with a specific binding site of Ser 207. Taking together, the immobilized β2-AR column is promising in exploring drug-protein interaction analysis and anti-asthmatic drug screening.
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Li Q, Yin G, Wang J, Li L, Liang Q, Zhao X, Chen Y, Zheng X, Zhao X. An emerging paradigm to develop analytical methods based on immobilized transmembrane proteins and its applications in drug discovery. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Sun J, Zhang C. Screening the bioactive compound from Coptis chinensis inflorescence by immobilized Peroxisome proliferator activated receptor gamma. J Sep Sci 2022; 45:2855-2864. [PMID: 35671063 DOI: 10.1002/jssc.202101014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 04/01/2022] [Accepted: 05/31/2022] [Indexed: 11/12/2022]
Abstract
Coptis chinensis inflorescence is a by-product of Coptis chinensis Franch and riches in alkaloids. We screened the bioactive compounds in the by-product through an immobilized peroxisome proliferator-activated receptor gamma. The receptor was covalently immobilized on the macroporous silica gel through amino groups to generate the affinity stationary phase and was applied for screening. Berberine, palmatine, and jatrorrhizine were identified as the retained components of the herb on the affinity column. We evaluated the binding of the three bioactive compounds with the receptor by nonlinear chromatography and molecular docking. The affinities of the compounds to the receptor were (1.42±0.10) ×108 M-1 , (4.88±0.38) ×107 M-1 , and (1.65±0.13) ×107 M-1 for berberine, palmatine, and jatrorrhizine, with dissociation rate constants of (17.70±0.03) ×10-3 S-1 , (5.18±0.25) ×10-2 S-1 , and (15.7±0.05) ×10-2 S-1 , respectively. Cys285, Arg288, Ile326, Leu330, and His449 in the agonist binding pocket of the receptor participated in the formation of bioactive compound-receptor conjugates. These data indicated that the immobilized receptor is a reliable alternative for screening the bioactive compounds. In addition, Coptis chinensis inflorescence has the potential to be a source for drug discovery. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Jingchun Sun
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Chaofeng Zhang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
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Zhao X, Fu X, Wang T, Xu R, Shayiranbieke A, Zheng X, Jia X, Xiao C, Zhao X. Screening of bioactive flavour compounds targeting muscarinic-3 acetylcholine receptor from Siraitia grosvenorii and evaluation of their synergistic anti-asthmatic activity. Food Chem 2022; 395:133593. [DOI: 10.1016/j.foodchem.2022.133593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 06/20/2022] [Accepted: 06/26/2022] [Indexed: 11/30/2022]
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Xiong X, Nan Y, Yu H. Reliable screening of beta
2
‐adrenoceptor ligands from Rheum palmatum L extract using a paper‐based chromatographic column containing the immobilized receptor. SEPARATION SCIENCE PLUS 2022. [DOI: 10.1002/sscp.202100043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Xunyu Xiong
- College of Chemistry and Chemical Engineering Xi'an Shiyou University Xi'an P. R. China
| | - Yefei Nan
- College of Chemistry and Chemical Engineering Xi'an Shiyou University Xi'an P. R. China
| | - Hongjiang Yu
- College of Chemistry and Chemical Engineering Xi'an Shiyou University Xi'an P. R. China
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