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Miranda de Souza Duarte-Filho LA, Ortega de Oliveira PC, Yanaguibashi Leal CE, de Moraes MC, Picot L. Ligand fishing as a tool to screen natural products with anticancer potential. J Sep Sci 2023:e2200964. [PMID: 36808885 DOI: 10.1002/jssc.202200964] [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: 11/24/2022] [Revised: 02/07/2023] [Accepted: 02/07/2023] [Indexed: 02/23/2023]
Abstract
Cancer is the second leading cause of death in the world and its incidence is expected to increase with the aging of the world's population and globalization of risk factors. Natural products and their derivatives have provided a significant number of approved anticancer drugs and the development of robust and selective screening assays for the identification of lead anticancer natural products are essential in the challenge of developing personalized targeted therapies tailored to the genetic and molecular characteristics of tumors. To this end, a ligand fishing assay is a remarkable tool to rapidly and rigorously screen complex matrices, such as plant extracts, for the isolation and identification of specific ligands that bind to relevant pharmacological targets. In this paper, we review the application of ligand fishing with cancer-related targets to screen natural product extracts for the isolation and identification of selective ligands. We provide critical analysis of the system configurations, targets, and key phytochemical classes related to the field of anticancer research. Based on the data collected, ligand fishing emerges as a robust and powerful screening system for the rapid discovery of new anticancer drugs from natural resources. It is currently an underexplored strategy according to its considerable potential.
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Affiliation(s)
| | | | - Cíntia Emi Yanaguibashi Leal
- Departamento de Ciências Farmacêuticas, Pós-Graduação em Biociências (PGB) Universidade Federal do Vale do São Francisco, Petrolina, Brazil
| | - Marcela Cristina de Moraes
- Departamento de Química Orgânica, Laboratório BIOCROM, Instituto de Química, Universidade Federal Fluminense, Niterói, Brazil
| | - Laurent Picot
- UMR CNRS 7266 LIENSs, Département de Biotechnologie, La Rochelle Université, La Rochelle, France
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Borsatto JVB, Maciel EVS, Cifuentes A, Lanças FM. Online Extraction Followed by LC-MS/MS Analysis of Lipids in Natural Samples: A Proof-of-Concept Profiling Lecithin in Seeds. Foods 2023; 12:foods12020281. [PMID: 36673373 PMCID: PMC9858076 DOI: 10.3390/foods12020281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/23/2022] [Accepted: 12/29/2022] [Indexed: 01/11/2023] Open
Abstract
Sample preparation is usually a complex and time-consuming procedure, which can directly affect the quality of the analysis. Recent efforts have been made to establish analytical methods involving minimal sample preparation, automatized and performed online with the analytical techniques. Online Extraction coupled with Liquid Chromatography-Mass Spectrometry (OLE-LC-MS) allows a fully connected extraction, separation, and analysis system. In this work, the lecithin profile was investigated in commercial sunflower, almonds, peanuts, and pistachio seeds to demonstrate that the concept of extraction, followed by the online analysis of the extract, could be applied to analyze this class of analytes in such complex solid matrices without a prior off-line solvent extraction step. The extraction phase gradient method was optimized. Two different analytical columns were explored, one being a conventional C18 (50 × 2.1 mm, 1.7 µm SPP) and the other a novel self-packed SIGO-C18ec (100 × 0.5, 5 µm FPP), which resulted in better separation. The analysis repeatability was investigated, and suggestions to improve it were pointed out. A characteristic ion with a m/z of 184, related to lysophosphatidylcholine structure, was used to identify the lecithin compounds. The temperature effect on the chromatograms was also explored. In short, it was found that the OLE-LC-MS approach is suitable for the analysis of lecithin compounds in seeds, being a promising alternative for lipidomics approaches in the near future.
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Affiliation(s)
- João V. B. Borsatto
- Laboratory of Chromatography, Institute of Chemistry at Sao Carlos, University of Sao Paulo, P.O. Box 780, Sao Carlos 13566590, Brazil
- Laboratory of Foodomics, Institute of Food Science Research (CIAL, CSIC), Nicolás Cabrera 9, 28049 Madrid, Spain
| | - Edvaldo V. S. Maciel
- Laboratory of Chromatography, Institute of Chemistry at Sao Carlos, University of Sao Paulo, P.O. Box 780, Sao Carlos 13566590, Brazil
- Clemens Schöpf Institute, Department of Chemistry, Technical University of Darmstadt, 64287 Darmstadt, Germany
| | - Alejandro Cifuentes
- Laboratory of Foodomics, Institute of Food Science Research (CIAL, CSIC), Nicolás Cabrera 9, 28049 Madrid, Spain
- Correspondence:
| | - Fernando M. Lanças
- Laboratory of Chromatography, Institute of Chemistry at Sao Carlos, University of Sao Paulo, P.O. Box 780, Sao Carlos 13566590, Brazil
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A Neglected Issue: Stationary Phase Retention Determination of Classic High-Speed Counter-Current Chromatography Solvent Systems. SEPARATIONS 2022. [DOI: 10.3390/separations9110357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Obtaining an ideal solvent system for target compounds is still an obstacle to the wide application of high-speed counter-current chromatography (HSCCC). The partition coefficient and retention of the stationary phase are two key parameters for solvent system selection. The retention of the stationary phase of the solvent system is roughly judged by settling time using a test tube, which is subjective and inaccurate. In this study, we demonstrated that high-resolution separation of HSCCC is tightly connected with the retention of the stationary phase. Notably, unlike the in vitro test of settling time, we investigated the retention of the stationary phase of classical biphasic solvent systems by a TBE300C HSCCC apparatus. Our results revealed that settling time is not always inversely proportional to the retention of the stationary phase. The n-hexane–ethylacetate–methanol–water solvent systems showed the highest correlation coefficient of settling time and retention of the stationary phase (r = −0.91, n = 16). N-heptane–n-butanol–acetonitrile–water solvent system showed the lowest correlation coefficient (r = −0.26, n = 7). These results may be helpful for HSCCC solvent system selection and accelerate the application of this technique.
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Cheng L, Wang F, Cao Y, Cai G, Wei Q, Shi S, Guo Y. Screening of potent α-glucosidase inhibitory and antioxidant polyphenols in Prunella vulgaris L. by bioreaction-HPLC-quadrupole-time-of-flight-MS/MS and in silico analysis. J Sep Sci 2022; 45:3393-3403. [PMID: 35819998 DOI: 10.1002/jssc.202200374] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 07/04/2022] [Accepted: 07/08/2022] [Indexed: 11/11/2022]
Abstract
Prunella vulgaris L. is a well-known traditional Chinese medicine for blood glucose homeostasis and antioxidant potential. Ethyl acetate fraction of P. vulgaris L. demonstrated higher phenolic content (85.53 ± 6.74 mg gallic acid equivalents per gram dry weight), α-glucosidase inhibitory (IC50 , 69.13 ± 2.86 μg/mL), and antioxidant (IC50 , 8.68 ± 1.01 μg/mL) activities. However, the bioactive polyphenols responsible for the beneficial properties remain unclear. Here, bioreaction-HPLC-quadrupole-time-of-flight-MS/MS method was developed for rapid, accurate, and efficient screening and identification of polyphenols with α-glucosidase inhibitory and antioxidant activities from P. vulgaris L. Bioactive polyphenols can specifically bind with α-glucosidase or react with 1,1-diphenyl-2-picryl-hydrazyl radical, which was easily discriminated from nonactive compounds. Subsequently, twenty bioactive polyphenols (sixteen phenyl propionic acid derivatives and four flavonoids) were screened and identified. Furthermore, molecular docking analysis revealed that screened twenty polyphenols bind with the active sites of α-glucosidase through hydrogen bonding and π-π stacking. Density functional theory calculations demonstrated their electron transport ability and chemical reactivity. The in silico analysis confirmed the screened results. In summary, this study provided a valuable strategy for rapid discovering bioactive compounds from complex natural products, and offered scientific evidence for further development and application of P. vulgaris L. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Li Cheng
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine under Ministry of Education, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, P. R. China.,College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, P. R. China
| | - Fang Wang
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine under Ministry of Education, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, P. R. China
| | - Yuanxin Cao
- Natural Product Research Laboratory, Guangxi Baise High-tech Development Zone, Baise, 533612, P. R. China
| | - Guihan Cai
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, P. R. China
| | - Qisheng Wei
- Natural Product Research Laboratory, Guangxi Baise High-tech Development Zone, Baise, 533612, P. R. China
| | - Shuyun Shi
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine under Ministry of Education, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, P. R. China.,College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, P. R. China.,Natural Product Research Laboratory, Guangxi Baise High-tech Development Zone, Baise, 533612, P. R. China
| | - Ying Guo
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, 410078, China
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Li W, Li C, Sun K, Chi C, Li Z, Xu L, Zhao Y, Liu R. An enhanced analytical strategy integrating offline two‐dimensional liquid chromatography with high‐resolution accurate mass spectrometry and molecular networking: Comprehensive characterization of HuangLian JieDu Decoction as a case study. J Sep Sci 2022; 45:2734-2745. [DOI: 10.1002/jssc.202200044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 03/30/2022] [Accepted: 05/04/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Wenjing Li
- School of Pharmacy Ministry of Education Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University) Yantai University Yantai 264005 China
| | - Caihong Li
- School of Pharmacy Ministry of Education Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University) Yantai University Yantai 264005 China
| | - Kang Sun
- School of Pharmacy Ministry of Education Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University) Yantai University Yantai 264005 China
| | - Chenglin Chi
- School of Pharmacy Ministry of Education Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University) Yantai University Yantai 264005 China
| | - Zongchao Li
- School of Pharmacy Ministry of Education Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University) Yantai University Yantai 264005 China
| | - Lixiao Xu
- School of Pharmacy Ministry of Education Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University) Yantai University Yantai 264005 China
| | - Yan Zhao
- School of Pharmacy Ministry of Education Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University) Yantai University Yantai 264005 China
| | - Rongxia Liu
- School of Pharmacy Ministry of Education Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University) Yantai University Yantai 264005 China
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Sun X, Chen L, Yan H, Cui L, Hussain H, Xie L, Liu J, Jiang Y, Meng Z, Cao G, Park J, Wang D. An efficient high-speed counter-current chromatography method for the preparative separation of potential antioxidant from Paeonia lactiflora Pall. combination of in vitro evaluation and molecular docking. J Sep Sci 2022; 45:1856-1865. [PMID: 35338696 DOI: 10.1002/jssc.202200082] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 03/17/2022] [Accepted: 03/19/2022] [Indexed: 11/10/2022]
Abstract
Paeonia lactiflora Pall., one of the most famous classical herbal medicine, has been used to treat diseases for over 1200 years. In this research, the functional ingredients were purified by online-switch two-dimensional high-speed counter-current chromatography combined with inner-recycling and continuous injection mode. The antioxidant activity was evaluated by investigating the 2,2'-azobis (2-amidinopropane) dihydrochloride-induced oxidant damage in vitro and confirmed through molecular docking. n-Butanol/ethyl acetate/water (2:3:5, v/v) solvent system was used for the first dimensional separation and optimized the sample loading. Two pure compounds and a polyphenol-enriched fraction were separated. The polyphenol-enriched fraction was separated with a solvent system n-hexane/ethyl acetate/methanol/water (2:8:4:6, v/v) with continuous injection mode. Five compounds were successfully separated, including gallic acid (1), methyl gallate (2), albiflorin (3), paeoniflorin (4), and ethyl gallate (5). Their structures were identified by mass spectrometry and nuclear magnetic resonance. The results from antioxidant effect showed that albiflorin had stronger antioxidant activity. Molecular docking results indicated that the affinity energy of the identified compounds ranged from -3.79 to -8.22 kcal/mol and albiflorin showed the lowest affinity energy. Overall, all those findings suggested that the strong antioxidant capacity of albiflorin can be potentially used for treatment of diseases that caused by oxidation. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Xuan Sun
- Biological Engineering Technology Innovation Center of Shandong Province, Heze Branch of Qilu University of Technology (Shandong Academy of Sciences), Heze, 274000, China.,College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, 315000, China.,School of Pharmaceutical Sciences and Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, China
| | - Long Chen
- Biological Engineering Technology Innovation Center of Shandong Province, Heze Branch of Qilu University of Technology (Shandong Academy of Sciences), Heze, 274000, China.,College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, 315000, China
| | - Huijiao Yan
- College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, 315000, China
| | - Li Cui
- College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, 315000, China
| | - Hidayat Hussain
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry, Weinberg 3, Halle (Saale), D-06120, Germany
| | - Lei Xie
- College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, 315000, China
| | - Jie Liu
- Engineering Research Center for Medicines of Orthopedic Pain of Shandong Province, Shandong C.P. Freda Pharmaceutical Co., Ltd., Jinan, 250104, China
| | - Yujuan Jiang
- Engineering Research Center for Medicines of Orthopedic Pain of Shandong Province, Shandong C.P. Freda Pharmaceutical Co., Ltd., Jinan, 250104, China
| | - Zhaoqing Meng
- Shandong Hongjitang Pharmaceutical Group Co., Ltd., Jinan, 250103, China
| | - Guiyun Cao
- Shandong Hongjitang Pharmaceutical Group Co., Ltd., Jinan, 250103, China
| | - Jeonghill Park
- College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea
| | - Daijie Wang
- Biological Engineering Technology Innovation Center of Shandong Province, Heze Branch of Qilu University of Technology (Shandong Academy of Sciences), Heze, 274000, China.,School of Pharmaceutical Sciences and Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, China
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Transcriptome and HPLC Analysis Reveal the Regulatory Mechanisms of Aurantio-Obtusin in Space Environment-Induced Senna obtusifolia Lines. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19020898. [PMID: 35055719 PMCID: PMC8776150 DOI: 10.3390/ijerph19020898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 01/05/2022] [Accepted: 01/10/2022] [Indexed: 01/25/2023]
Abstract
Senna obtusifolia is a famous medicinal plant that is widely used in Asian countries. Its seed plays an important role in the treatment of many diseases because it contains various anthraquinones and flavonoids. Our previous studies have indicated that three space environment-induced S. obtusifolia lines (SP-lines) i.e., QC10, QC29, and QC46, have higher seed yield and aurantio-obtusin (AO) content. However, the underlying mechanism of higher AO content in SP-lines is still unknown. Herein, transcriptome sequencing and HPLC were employed to analyze the differences between SP-lines and ground control (GC3) and elucidate the regulatory mechanisms of AO accumulation in SP-lines. The results show that 4002 differentially expressed genes (DEGs) were identified in SP-lines versus (vs.) GC3. DEGs in the QC10 vs. GC3, QC29 vs. GC3, and QC46 vs. GC3 comparisons were classified into 28, 36, and 81 GO terms and involved in 63, 74, and 107 Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways. KEGG pathway and gene expression analysis revealed that DEGs involved in anthraquinone pathways were significantly elevated in QC10 and QC46. Integrating the results of GO annotation, KEGG enrichment, and gene expression analysis, we propose that the elevated genes such as DAHPS, DHQS, and MenB enhance the metabolic flux in the anthraquinone pathway and promote AO content in QC10 and QC46. Taken together, this study elucidated the mechanism of AO content in SP-lines and provides valuable genetic information for S. obtusifolia. In addition, to the best of our knowledge, this study presents the first transcriptome analysis of environment-induced medicinal plants and paves the way to select elite S. obtusifolia varieties in the future.
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