1
|
Niu X, Fan Y, Zou L, Ge G. A Novel Fluorescence-Based Microplate Assay for High-Throughput Screening of hSULT1As Inhibitors. BIOSENSORS 2024; 14:275. [PMID: 38920579 PMCID: PMC11202169 DOI: 10.3390/bios14060275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 05/21/2024] [Accepted: 05/25/2024] [Indexed: 06/27/2024]
Abstract
Human sulfotransferase 1As (hSULT1As) play a crucial role in the metabolic clearance and detoxification of a diverse range of endogenous and exogenous substances, as well as in the bioactivation of some procarcinogens and promutagens. Pharmacological inhibiting hSULT1As activities may enhance the in vivo effects of most hSULT1As drug substrates and offer protective strategies against the hSULT1As-mediated bioactivation of procarcinogens. To date, a fluorescence-based high-throughput assay for the efficient screening of hSULT1As inhibitors has not yet been reported. In this work, a fluorogenic substrate (HN-241) for hSULT1As was developed through scaffold-seeking and structure-guided molecular optimization. Under physiological conditions, HN-241 could be readily sulfated by hSULT1As to form HN-241 sulfate, which emitted brightly fluorescent signals around 450 nm. HN-241 was then used for establishing a novel fluorescence-based microplate assay, which strongly facilitated the high-throughput screening of hSULT1As inhibitors. Following the screening of an in-house natural product library, several polyphenolic compounds were identified with anti-hSULT1As activity, while pectolinarigenin and hinokiflavone were identified as potent inhibitors against three hSULT1A isozymes. Collectively, a novel fluorescence-based microplate assay was developed for the high-throughput screening and characterization of hSULT1As inhibitors, which offered an efficient and facile approach for identifying potent hSULT1As inhibitors from compound libraries.
Collapse
Affiliation(s)
| | | | | | - Guangbo Ge
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; (X.N.); (Y.F.); (L.Z.)
| |
Collapse
|
2
|
Kurogi K, Suiko M, Sakakibara Y. Evolution and multiple functions of sulfonation and cytosolic sulfotransferases across species. Biosci Biotechnol Biochem 2024; 88:368-380. [PMID: 38271594 DOI: 10.1093/bbb/zbae008] [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: 11/07/2023] [Accepted: 01/19/2024] [Indexed: 01/27/2024]
Abstract
Organisms have conversion systems for sulfate ion to take advantage of the chemical features. The use of biologically converted sulfonucleotides varies in an evolutionary manner, with the universal use being that of sulfonate donors. Sulfotransferases have the ability to transfer the sulfonate group of 3'-phosphoadenosine 5'-phosphosulfate to a variety of molecules. Cytosolic sulfotransferases (SULTs) play a role in the metabolism of low-molecular-weight compounds in response to the host organism's living environment. This review will address the diverse functions of the SULT in evolution, including recent findings. In addition to the diversity of vertebrate sulfotransferases, the molecular aspects and recent studies on bacterial and plant sulfotransferases are also addressed.
Collapse
Affiliation(s)
- Katsuhisa Kurogi
- Department of Biochemistry and Applied Biosciences, University of Miyazaki, Miyazaki, Japan
| | - Masahito Suiko
- Department of Biochemistry and Applied Biosciences, University of Miyazaki, Miyazaki, Japan
| | - Yoichi Sakakibara
- Department of Biochemistry and Applied Biosciences, University of Miyazaki, Miyazaki, Japan
| |
Collapse
|
3
|
Huang R, Duan J, Huang W, Cheng Y, Zhu B, Li F. Inhibition of CYP1A1 Alleviates Colchicine-Induced Hepatotoxicity. Toxins (Basel) 2024; 16:35. [PMID: 38251251 PMCID: PMC10818746 DOI: 10.3390/toxins16010035] [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: 11/13/2023] [Revised: 12/05/2023] [Accepted: 12/20/2023] [Indexed: 01/23/2024] Open
Abstract
Colchicine, a natural compound extracted from Colchicum autumnale, is a phytotoxin, but interestingly, it also has multiple pharmacological activities. Clinically, colchicine is widely used for the treatment of gouty arthritis, familial Mediterranean fever, cardiovascular dysfunction and new coronary pneumonia. However, overdose intake of colchicine could cause lethal liver damage, which is a limitation of its application. Therefore, exploring the potential mechanism of colchicine-induced hepatotoxicity is meaningful. Interestingly, it was found that CYP1A1 played an important role in the hepatotoxicity of colchicine, while it might also participate in its metabolism. Inhibition of CYP1A1 could alleviate oxidative stress and pyroptosis in the liver upon colchicine treatment. By regulating CYP1A1 through the CASPASE-1-GSDMD pathway, colchicine-induced liver injury was effectively relieved in a mouse model. In summary, we concluded that CYP1A1 may be a potential target, and the inhibition of CYP1A1 alleviates colchicine-induced liver injury through pyroptosis regulated by the CASPASE-1-GSDMD pathway.
Collapse
Affiliation(s)
- Ruoyue Huang
- Department of Gastroenterology & Hepatology, Laboratory of Metabolomics and Drug-Induced Liver Injury, State Key Laboratory of Biotherapy, and Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Jingyi Duan
- Department of Gastroenterology & Hepatology, Laboratory of Metabolomics and Drug-Induced Liver Injury, State Key Laboratory of Biotherapy, and Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Wen Huang
- Laboratory of Ethnopharmacology, Tissue-Orientated Property of Chinese Medicine Key Laboratory of Sichuan Province, West China School of Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yan Cheng
- Department of Gastroenterology & Hepatology, Laboratory of Metabolomics and Drug-Induced Liver Injury, State Key Laboratory of Biotherapy, and Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
- Academician Workstation, Jiangxi University of Chinese Medicine, Nanchang 330004, China
| | - Beiwei Zhu
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China;
- National Engineering Research Center of Seafood, Dalian 116034, China
| | - Fei Li
- Department of Gastroenterology & Hepatology, Laboratory of Metabolomics and Drug-Induced Liver Injury, State Key Laboratory of Biotherapy, and Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
- State Key Laboratory of Respiratory Health and Multimorbidity, West China Hospital, Sichuan University, Chengdu 610041, China
| |
Collapse
|
4
|
Liang S, Zhao W, Chen Y, Lin H, Zhang W, Deng M, Fu L, Zhong X, Zeng S, He B, Qi X, Lü M. A comparative investigation of catalytic mechanism and domain between catechol-O-methyltransferase isoforms by isomeric shikonin and alkannin. Int J Biol Macromol 2023; 242:124758. [PMID: 37150367 DOI: 10.1016/j.ijbiomac.2023.124758] [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: 01/03/2023] [Revised: 04/12/2023] [Accepted: 05/02/2023] [Indexed: 05/09/2023]
Abstract
The differences in catalytic mechanism and domain between the soluble (S-COMT) and membrane-bound catechol-O-methyltransferase (MB-COMT) are poorly documented due to the unavailable crystal structure of MB-COMT. Considering the enzymatic nature of S-COMT and MB-COMT, the challenge could be solvable by probing the interactions between the enzymes with the ligands with minor differences in structures. Herein, isomeric shikonin and alkannin bearing a R/S -OH group in side chain at the C2 position were used for domain profiling of COMTs. Human and rat liver-derived COMTs showed the differences in inhibitory response (human's IC50 and Ki values for S-COMT < rat's, 5.80-19.56 vs. 19.56-37.47 μM; human's IC50 and Ki values for MB-COMT > rat's) and mechanism (uncompetition vs. noncompetition) towards the two isomers. The inhibition of the two isomers against human and rat S-COMTs was stronger than those for MB-COMTs (S-COMT's IC50 and Ki values < MB-COMT's, 5.80-37.47 vs. 40.01-111.8 μM). Additionally, the inhibition response of alkannin was higher than those of shikonin in no matter human and rat COMTs. Molecular docking stimulation was used for analysis. The inhibitory effects observed in in vitro and in silico tests were confirmed in vivo. These findings would facilitate further COMT-associated basic and applied research.
Collapse
Affiliation(s)
- Sicheng Liang
- Department of Gastroenterology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China; Department of Dermatology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China; The Public Platform of Advanced Detecting Instruments, Public Center of Experimental Technology, Southwest Medical University, Luzhou 646000, China; Human Microecology and Precision Diagnosis and Treatment of Luzhou Key Laboratory, Luzhou 646000, China; Cardiovascular and Metabolic Diseases of Sichuan Key Laboratory, Luzhou 646000, China
| | - Wenjing Zhao
- Department of Gastroenterology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Yonglan Chen
- Department of Gastroenterology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Hua Lin
- Technology Center of Chengdu Customs, Chengdu, China
| | - Wei Zhang
- Department of Gastroenterology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Mingming Deng
- Department of Gastroenterology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Lu Fu
- The Public Platform of Advanced Detecting Instruments, Public Center of Experimental Technology, Southwest Medical University, Luzhou 646000, China
| | - Xiaolin Zhong
- Department of Gastroenterology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Su Zeng
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang University, Hangzhou, China
| | - Bing He
- The Public Platform of Advanced Detecting Instruments, Public Center of Experimental Technology, Southwest Medical University, Luzhou 646000, China
| | - Xiaoyi Qi
- Department of Dermatology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China.
| | - Muhan Lü
- Department of Gastroenterology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China; Human Microecology and Precision Diagnosis and Treatment of Luzhou Key Laboratory, Luzhou 646000, China; Cardiovascular and Metabolic Diseases of Sichuan Key Laboratory, Luzhou 646000, China.
| |
Collapse
|
5
|
Lin F, Lin X, Wang X, Mei G, Chen B, Yao H, Huang L. Inhibitory effect of Selaginella doederleinii hieron on human cytochrome P450. Front Pharmacol 2023; 14:1108867. [PMID: 36874034 PMCID: PMC9975586 DOI: 10.3389/fphar.2023.1108867] [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: 11/26/2022] [Accepted: 01/30/2023] [Indexed: 02/17/2023] Open
Abstract
Introduction: Selaginella doederleinii Hieron is a traditional Chinese herbal medicine, the ethyl acetate extract from Selaginella doederleinii (SDEA) showed favorable anticancer potentials. However, the effect of SDEA on human cytochrome P450 enzymes (CYP450) remains unclear. To predict the herb-drug interaction (HDI) and lay the groundwork for further clinical trials, the inhibitory effect of SDEA and its four constituents (Amentoflavone, Palmatine, Apigenin, Delicaflavone) on seven CYP450 isoforms were investigated by using the established CYP450 cocktail assay based on LC-MS/MS. Methods: Appropriate substrates for seven tested CYP450 isoforms were selected to establish a reliable cocktail CYP450 assay based on LC-MS/MS. The contents of four constituents (Amentoflavone, Palmatine, Apigenin, Delicaflavone) in SDEA were determined as well. Then, the validated CYP450 cocktail assay was applied to test the inhibitory potential of SDEA and four constituents on CYP450 isoforms. Results: SDEA showed strong inhibitory effect on CYP2C9 and CYP2C8 (IC50 ≈ 1 μg/ml), moderate inhibitory effect against CYP2C19, CYP2E1 and CYP3A (IC50 < 10 μg/ml). Among the four constituents, Amentoflavone had the highest content in the extract (13.65%) and strongest inhibitory effect (IC50 < 5 μM), especially for CYP2C9, CYP2C8 and CYP3A. Amentoflavone also showed time-dependent inhibition on CYP2C19 and CYP2D6. Apigenin and Palmatine both showed concentration-dependent inhibition. Apigenin inhibited CYP1A2, CYP2C8, CYP2C9, CYP2E1 and CYP3A. Palmatine inhibited CYP3A and had a weak inhibitory effect on CYP2E1. As for Delicaflavone, which has the potential to develop as an anti-cancer agent, showed no obvious inhibitory effect on CYP450 enzymes. Conclusion: Amentoflavone may be one of the main reasons for the inhibition of SDEA on CYP450 enzymes, the potential HDI should be considered when SDEA or Amentoflavone were used with other clinical drugs. On the contrast, Delicaflavone is more suitable to develop as a drug for clinical use, considering the low level of CYP450 metabolic inhibition.
Collapse
Affiliation(s)
- Fei Lin
- Department of Pharmaceutical Analysis, School of Pharmacy, Fujian Medical University, Fuzhou, China
| | - Xinhua Lin
- Department of Pharmaceutical Analysis, School of Pharmacy, Fujian Medical University, Fuzhou, China
| | - Xuewen Wang
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou, China
| | - Guanghui Mei
- Department of Pharmaceutical Analysis, School of Pharmacy, Fujian Medical University, Fuzhou, China
| | - Bing Chen
- Department of Pharmaceutical Analysis, School of Pharmacy, Fujian Medical University, Fuzhou, China
| | - Hong Yao
- Department of Pharmaceutical Analysis, School of Pharmacy, Fujian Medical University, Fuzhou, China
| | - Lingyi Huang
- Department of Pharmaceutical Analysis, School of Pharmacy, Fujian Medical University, Fuzhou, China
| |
Collapse
|
6
|
Javed M, Saleem A, Xaveria A, Akhtar MF. Daphnetin: A bioactive natural coumarin with diverse therapeutic potentials. Front Pharmacol 2022; 13:993562. [PMID: 36249766 PMCID: PMC9556945 DOI: 10.3389/fphar.2022.993562] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 09/09/2022] [Indexed: 11/24/2022] Open
Abstract
Daphnetin (DAP), a coumarin derivative extracted from Daphne species, is biologically active phytochemical with copious bioactivities including anti-inflammatory, anti-oxidant, neuroprotective, analgesic, anti-pyretic, anti-malarial, anti-bacterial, anti-arthritic, neuroprotective, hepatoprotective, nephroprotective, and anti-cancer activities. A wide range of studies have been conducted exploring the significance and therapeutic potential of DAP. This study reviewed various databases such as NCBI, PubMed, Web of Science, Scopus and Google Scholar for published research articles regarding the sources, synthesis, and various bioactivities of DAP using different key words, including but not limited to “pharmacological activities,” “sources,” “neuroprotective effect,” “synthesis,” “cancer,” “anti-inflammatory effect” of “daphnetin.” Furthermore, this review encompasses both in-vivo and in-vitro studies on DAP for treating various diseases. A comprehensive review of the literature revealed that the DAP had a promising pharmacological and safety profile, and could be employed as a pharmaceutical moiety to treat a variety of illnesses including microbial infections, cancer, arthritis, hepatic damage, inflammation and neurological anomalies. The current review intends to provide an in-depth focus on all pharmacological activities and therapeutic approaches for the pharmaceutical and biomedical researchers.
Collapse
Affiliation(s)
- Maira Javed
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | - Ammara Saleem
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
- *Correspondence: Ammara Saleem, , ; Muhammad Furqan Akhtar,
| | - Anne Xaveria
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | - Muhammad Furqan Akhtar
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Lahore Campus, Lahore, Pakistan
- *Correspondence: Ammara Saleem, , ; Muhammad Furqan Akhtar,
| |
Collapse
|
7
|
Wang Z, Wang C, He B, Zhang W, Liu L, Deng M, Lü M, Qi X, Liang S. Determination of Daphnetin and its 8-O-Methylated Metabolite in Rat Plasma by UFLC-MS/MS: Application to a Pharmacokinetic Study. Chromatographia 2022. [DOI: 10.1007/s10337-022-04131-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
8
|
Kwak JH, Kim Y, Staatz CE, Baek IH. Oral bioavailability and pharmacokinetics of esculetin following intravenous and oral administration in rats. Xenobiotica 2021; 51:811-817. [PMID: 33949288 DOI: 10.1080/00498254.2021.1925774] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Esculetin is the main active ingredient isolated from Artemisia montana (Nakai) Pamp. and Euphorbia lathyris L. The present study investigated the oral bioavailability and pharmacokinetics of esculetin in rats, following intravenous and oral administration.Twenty Sprague-Dawley rats were randomly assigned to receive 10 mg/kg of esculetin either by the intravenous or oral route. Plasma concentrations of esculetin were measured using liquid chromatography-tandem mass spectrometry. Pharmacokinetic parameters were estimated using non-compartmental analysis as well as a compartmental modelling approach using WinNonlinTM and ADAPT 5 software, respectively.According to non-compartmental analysis, the mean oral bioavailability of esculetin was 19%. Mean ± standard deviation values of esculetin half-life, steady-state volume of distribution and clearance, following intravenous dosing, were 2.08 ± 0.46 h, 1.81 ± 0.52 L/kg and 1.27 ± 0.26 L/h/kg, respectively. As indicated by compartmental modelling, a two-compartment pharmacokinetic model with first-order absorption and elimination rate constants of 0.98 ± 0.18 h-1 and 2.47 ± 0.28 h-1, respectively, sufficiently described the plasma concentration-time curve of esculetin.Improving our understanding of the pharmacokinetic properties of esculetin could help with future development of herbal medicine products with appropriate bioactivity.
Collapse
Affiliation(s)
- Jae-Hwan Kwak
- College of Pharmacy, Kyungsung University, Busan, Republic of Korea.,Functional Food & Drug Convergence Research Center, Industry-Academic Cooperation Foundation, Kyungsung University, Busan, Republic of Korea
| | - Younghwa Kim
- Functional Food & Drug Convergence Research Center, Industry-Academic Cooperation Foundation, Kyungsung University, Busan, Republic of Korea.,School of Food Biotechnology and Nutrition, Kyungsung University, Busan, Republic of Korea
| | - Christine E Staatz
- School of Pharmacy, The University of Queensland, Pharmacy Australia Centre of Excellence, Woolloongabba, Brisbane, Australia
| | - In-Hwan Baek
- College of Pharmacy, Kyungsung University, Busan, Republic of Korea.,Functional Food & Drug Convergence Research Center, Industry-Academic Cooperation Foundation, Kyungsung University, Busan, Republic of Korea.,School of Pharmacy, The University of Queensland, Pharmacy Australia Centre of Excellence, Woolloongabba, Brisbane, Australia
| |
Collapse
|
9
|
Wang FY, Wang P, Zhao DF, Gonzalez FJ, Fan YF, Xia YL, Ge GB, Yang L. Analytical methodologies for sensing catechol- O-methyltransferase activity and their applications. J Pharm Anal 2021; 11:15-27. [PMID: 33717608 PMCID: PMC7930641 DOI: 10.1016/j.jpha.2020.03.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 03/21/2020] [Accepted: 03/30/2020] [Indexed: 01/02/2023] Open
Abstract
Mammalian catechol-O-methyltransferases (COMT) are an important class of conjugative enzymes, which play a key role in the metabolism and inactivation of catechol neurotransmitters, catechol estrogens and a wide range of endobiotics and xenobiotics that bear the catechol group. Currently, COMT inhibitors are used in combination with levodopa for the treatment of Parkinson's disease in clinical practice. The crucial role of COMT in human health has raised great interest in the development of more practical assays for highly selective and sensitive detection of COMT activity in real samples, as well as for rapid screening and characterization of COMT inhibitors as drug candidates. This review summarizes recent advances in analytical methodologies for sensing COMT activity and their applications. Several lists of biochemical assays for measuring COMT activity, including the probe substrates, along with their analytical conditions and kinetic parameters, are presented. Finally, the challenges and future perspectives in the field, such as visualization of COMT activity in vivo and in situ, are highlighted. Collectively, this review article overviews the practical assays for measuring COMT activities in complex biological samples, which will strongly facilitate the investigations on the relevance of COMT to human diseases and promote the discovery of COMT inhibitors via high-throughput screening.
Collapse
Affiliation(s)
- Fang-Yuan Wang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Ping Wang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
- Laboratory of Metabolism, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Dong-Fang Zhao
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Frank J. Gonzalez
- Laboratory of Metabolism, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Yu-Fan Fan
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Yang-Liu Xia
- School of Life Science and Medicine, Dalian University of Technology, Panjin, 124221, China
| | - Guang-Bo Ge
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Ling Yang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| |
Collapse
|
10
|
Song BC, Jiang MM, Zhang S, Ma H, Liu M, Fu ZR, Wu R, Tong CY. Immunosuppressive activity of daphnetin on the humoral immune responses in ovalbumin-sensitized BALB/c mice. Immunopharmacol Immunotoxicol 2021; 43:171-175. [PMID: 33491523 DOI: 10.1080/08923973.2021.1872618] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
INTRODUCTION Most of the immunosuppressive drugs are used for the treatment of autoimmune disease, allergic diseases, and transplant rejection, but toxicity is the major obstacle for the potent drugs in the wide use of these immunosuppressive drugs. Daphnetin, a Chinese herbal product, has been reported that daphnetin possesses antimicrobial, anticoagulation, antimalarial, anticancer, and antioxidant activity. In a previous study, we found that daphnetin exhibited a potential immunosuppressive effect on LPS-induced B lymphocyte cells in vitro, therefore, in this research, we investigated the immunosuppressive effects of daphnetin in BALB/c mice use OVA as a prototype antigen. METHODS Sixty BALB/c mice were divided into six groups. The emulsion (100 μL containing 100 μg OVA) was injected subcutaneously with OVA + CFA into the shaved backs of the BALB/c mice on day 1, and a boosting injection was administered in OVA + IFA 2 weeks later. Beginning on the day of immunization, the immunized mice were administered intraperitoneally with daphnetin at a dose of 5, 10, and 20 mg/kg in saline solution for 28 consecutive days. We measured the effect of daphnetin on OVA-specific antibody, cytokine production, and Splenocyte proliferation in vivo. RESULTS The results revealed that daphnetin significantly suppressed serum immunoglobulin G levels (IgG), and the OVA-specific IgG subclasses IgG1 and IgG2b, daphnetin was also significantly decreased the Th1 and Th2 cytokine productions, inhibited the splenocytes proliferation rate in vivo. CONCLUSIONS It proved that daphnetin could suppress humoral response activity on OVA-sensitized mice, suggesting a potential role on daphnetin as a new immunosuppressive drug.
Collapse
Affiliation(s)
- Bo-Cui Song
- Department of Pharmaceutical Engineering, College of Life Science & Technology, Heilongjiang Bayi Agricultural University, Daqing, P. R. China
| | - Meng-Meng Jiang
- Department of Biological Engineering, College of Life Science & Technology, Heilongjiang Bayi Agricultural University, Daqing, P. R. China
| | - Shuang Zhang
- Animal Husbandry and Veterinary Station, Yongji Economic Development Zone, Jilin, P. R. China
| | - Hui Ma
- Department of Friendship Farm Husbandry and Veterinary, Friendship County, Shuangyashan, P. R. China
| | - Min Liu
- Department of Pharmaceutical Engineering, College of Life Science & Technology, Heilongjiang Bayi Agricultural University, Daqing, P. R. China
| | - Zhong-Ren Fu
- Department of Pharmaceutical Engineering, College of Life Science & Technology, Heilongjiang Bayi Agricultural University, Daqing, P. R. China
| | - Rui Wu
- Department of Clinical Veterinary Medicine, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, P. R. China
| | - Chun-Yu Tong
- Department of Biological Science, College of Life Science & Technology, Heilongjiang Bayi Agricultural University, Daqing, P. R. China
| |
Collapse
|
11
|
Liver says no: the ongoing search for safe catechol O-methyltransferase inhibitors to replace tolcapone. Drug Discov Today 2020; 25:1846-1854. [DOI: 10.1016/j.drudis.2020.07.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 07/02/2020] [Accepted: 07/14/2020] [Indexed: 12/12/2022]
|
12
|
Qi X, Dou T, Wang Z, Wu J, Yang L, Zeng S, Deng M, Lü M, Liang S. Inhibition of human cytochrome P450 2A6 by 7-hydroxycoumarin analogues: Analysis of the structure-activity relationship and isoform selectivity. Eur J Pharm Sci 2019; 136:104944. [PMID: 31163215 DOI: 10.1016/j.ejps.2019.05.022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 05/09/2019] [Accepted: 05/31/2019] [Indexed: 01/19/2023]
Abstract
Compared with coumarin, 7-hydroxycoumarin could serve as a better hit for developing CYP2A6 inhibitors. In this study, a series of 7-hydroxycoumarin and its structural analogues were collected to study their structure-activity relationship (SAR) and isoform selectivity for inhibiting CYP2A6. All tested coumarins except a C4 phenyl derivative (11) showed higher inhibitory activities for CYP2A6 over the other CYP isoforms, including CYP1A2, CYP2D6, CYP2E1, CYP3A4, CYP2C8, and CYP2C9. Of these coumarins, 6,7-dihydroxycoumarin (1) and 7,8-dihydroxycoumarin (9) were found to be potent inhibitors of CYP2A6 with IC50/Ki value of 0.39/0.25 and 4.61/3.02 μM, respectively, compared to methoxalen as positive control (IC50/Ki = 0.43/0.26 μM). In contrast, other coumarins showed low or decreased CYP2A6-inhibiting activities. SAR analysis showed that hydroxy groups might be important for CYP2A6 inhibition, and the rank order of sites for hydroxy substitution was C6 > C7 > C8. In addition, either hydrophobic or hydrophilic substituents introduced into C4, C6 and C8 led to a reduction in CYP2A6-inhibiting activity, and the degree of influence was dependent on the size and electrical charge of substituents. Furthermore, inhibition kinetic analysis and docking simulations demonstrated that the 8-O-glucosylated coumarin derivative (17) exhibited noncompetitive inhibition against CYP2A6, while competitive inhibition patterns were noted for the other tested coumarins. The mechanisms underlying the inhibitors binding to CYP2A6 were further investigated by molecular docking study. The findings presented herein are very helpful for developing highly selective and more potent CYP2A6 inhibitors.
Collapse
Affiliation(s)
- Xiaoyi Qi
- The Affiliated Hospital of Southwest Medical University, Luzhou, China; The Pharmacy School of Southwest Medical University, Luzhou, China
| | - Tongyi Dou
- School of Life Science and Medicine, Dalian University of Technology, Panjin, China
| | - Zhongqiong Wang
- The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Jianming Wu
- The Pharmacy School of Southwest Medical University, Luzhou, China
| | - Ling Yang
- Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Su Zeng
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang University, Hangzhou, China
| | - Mingming Deng
- The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Muhan Lü
- The Affiliated Hospital of Southwest Medical University, Luzhou, China.
| | - Sicheng Liang
- The Affiliated Hospital of Southwest Medical University, Luzhou, China; The Pharmacy School of Southwest Medical University, Luzhou, China; Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang University, Hangzhou, China; Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, China.
| |
Collapse
|
13
|
Translational role of natural coumarins and their derivatives as anticancer agents. Future Med Chem 2019; 11:1057-1082. [PMID: 31140865 DOI: 10.4155/fmc-2018-0375] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Natural coumarins and their derivatives isolated from various plants or microorganisms have inherent antioxidant, antibacterial, antifungal, antiviral and anticancer properties among many biological activities. Some of these coumarins and their derivatives lead to self-programmed cancer cell death (apoptosis) via different mechanisms, which will be discussed. The link between bacterial and viral infections to cancer compels us to highlight fascinating reports from coumarin isolation from microorganisms; comment on the recent bioavailability studies of natural or derived coumarins; and discuss our perspectives with respect to bioisosterism in coumarins, p-glycoprotein inhibition and covalent modification, and bioprobes. Overall, this review hopes to stimulate and offer in particular medicinal chemists and the reader in general an outlook on natural coumarins and their derivatives with potential for cancer therapy.
Collapse
|
14
|
Synthesis and Structure-Activity Relationship of Daphnetin Derivatives as Potent Antioxidant Agents. Molecules 2018; 23:molecules23102476. [PMID: 30262732 PMCID: PMC6222747 DOI: 10.3390/molecules23102476] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 09/23/2018] [Accepted: 09/26/2018] [Indexed: 01/17/2023] Open
Abstract
In this study, daphnetin 1 was chosen as the lead compound, and C-3 or C-4-substituted daphnetins were designed and synthesized to explore the potential relationship between the antioxidant activities and the chemical structures of daphnetin derivatives. The antioxidant activities of the generated compounds were evaluated utilizing the free radical scavenging effect on 2,2'-diphenyl-1-picrylhydrazyl, 2,2'-azinobis-(3-ethylbenzthiazoline-6-sulfonate) cation, and the ferric reducing power assays, and were then compared with those of the standard antioxidant Trolox. The results showed that the catechol group was the key pharmacophore for the antioxidant activity of the daphnetins. The introduction of an electron-withdrawing hydrophilic group at the C-4 position of daphnetin enhanced the antioxidative capacity, but this trend was not observed for C-3 substitution. In addition, introduction of a a hydrophobic phenyl group exerted negative effects on the antioxidant activity in both the C-3 and C-4 substitutions. Among all of the derivatives tested, the most powerful antioxidant was 4-carboxymethyl daphnetin (compound 9), for which the strongest antioxidant activity was observed in all of the assays. In addition, compound 9 also displayed strong pharmaceutical properties in the form of metabolic stability. To summarize, compound 9 holds great potential to be developed as an antioxidant agent with excellent antioxidant activity and proper pharmacokinetic behavior.
Collapse
|
15
|
Catechol-O-Methyltransferase and UDP-Glucuronosyltransferases in the Metabolism of Baicalein in Different Species. Eur J Drug Metab Pharmacokinet 2018; 42:981-992. [PMID: 28536775 DOI: 10.1007/s13318-017-0419-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND Baicalein is the major bioactive flavonoid in some herb medicines and dietary plants; however, the detailed metabolism pathway of its major metabolite oroxylin A-7-O-β-D-glucuronide in human was not clear. It was important to illustrate the major metabolic enzymes that participate in its elimination for the clinic use of baicalein. OBJECTIVES We first revealed a two-step metabolism profile for baicalein and illustrated the combination of catechol-O-methyltransferase (COMT) and uridine diphosphate-glucuronosyltransferases (UGTs) in drug metabolism, further evaluated its bioactivity variation during drug metabolism. METHODS The metabolism profiles were systematically characterized in different human biology preparations; after then, the anti-inflammatory activities of metabolites were evaluated in LPS-induced RAW264.7 cell. RESULTS The first-step metabolite of baicalein was isolated and identified as oroxylin A; soluble-bound COMT (S-COMT) was the major enzyme responsible for its biotransformation. Specially, position 108 mutation of S-COMT significantly decreases the elimination. Meantime, oroxylin A was rapidly metabolized by UGTs, UGT1A1, -1A3, -1A6, -1A7, -1A8, -1A9, and -1A10 which were involved in the glucuronidation. Considerable species differences were observed with 1060-fold K m (3.05 ± 1.86-3234 ± 475 μM) and 330-fold CLint (5.93-1973 μL/min/mg) variations for baicalein metabolism. Finally, the middle metabolite oroxylin A exhibited a potent anti-inflammatory activity with the IC50 value of 28 μM. CONCLUSION The detailed kinetic parameters indicated that COMT provide convenience for the next glucuronidation; monkey would be a preferred animal model for the preclinical investigation of baicalein. Importantly, oroxylin A should be reconsidered in evaluating baicalein efficacy against inflammatory diseases.
Collapse
|
16
|
Xia YL, Dou TY, Liu Y, Wang P, Ge GB, Yang L. In vitro evaluation of the effect of C-4 substitution on methylation of 7,8-dihydroxycoumarin: metabolic profile and catalytic kinetics. ROYAL SOCIETY OPEN SCIENCE 2018; 5:171271. [PMID: 29410835 PMCID: PMC5792912 DOI: 10.1098/rsos.171271] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Accepted: 11/24/2017] [Indexed: 06/08/2023]
Abstract
Daphnetin (7,8-dihydroxycoumarin (7,8-DHC)) and its C-4 derivatives have multiple pharmacological activities, but the poor metabolic stability of these catechols has severely restricted their application in the clinic. Methylation plays important roles in catechol elimination, although thus far the effects of structural modifications on the metabolic selectivity and the catalytic efficacy of human catechol-O-methyltransferase (COMT) remain unclear. This study was aimed at exploring the structure-methylation relationship of daphnetin and its C-4 derivatives, including 4-methyl, 4-phenyl and 4-acetic acid daphnetin. It was achieved by identifying the methylated products generated and by careful characterization of the reaction kinetics. These catechols are selectively metabolized to the corresponding 8-O-methyl conjugates, and this regioselective methylation could be elucidated by flexible docking, in which all the 8-OH groups of these catechols are much closer than the 7-OH groups to catalytic residue LYS144 and methyl donor AdoMet. The results of the kinetic analyses revealed that the Clint values of the compounds could be strongly affected by the C-4 substitutions, which could be partially explained by the electronic effects of the C-4 substituents and the coordination modes of 7,8- dihydroxycoumarins in the active site of COMT. These findings provide helpful guidance for further structural modification of 7,8-DHCs to improve metabolic stability.
Collapse
Affiliation(s)
- Yang-Liu Xia
- Laboratory of Pharmacology & Toxicology, School of Life Science and Medicine, Dalian University of Technology, Panjin 124221, People's Republic of China
| | - Tong-Yi Dou
- Laboratory of Pharmacology & Toxicology, School of Life Science and Medicine, Dalian University of Technology, Panjin 124221, People's Republic of China
| | - Yong Liu
- Laboratory of Pharmacology & Toxicology, School of Life Science and Medicine, Dalian University of Technology, Panjin 124221, People's Republic of China
| | - Ping Wang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicines, Shanghai 201203, People's Republic of China
| | - Guang-Bo Ge
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicines, Shanghai 201203, People's Republic of China
| | - Ling Yang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicines, Shanghai 201203, People's Republic of China
| |
Collapse
|
17
|
He G, Troberg J, Lv X, Xia YL, Zhu LL, Ning J, Ge GB, Finel M, Yang L. Identification and characterization of human UDP-glucuronosyltransferases responsible for xanthotoxol glucuronidation. Xenobiotica 2017; 48:109-116. [DOI: 10.1080/00498254.2017.1283719] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Guiyuan He
- Laboratory of Pharmaceutical Resource Discovery, Biotechnology Department, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China,
- University of Chinese Academy of Sciences, Beijing, China,
| | - Johanna Troberg
- Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Finland, and
| | - Xia Lv
- Laboratory of Pharmaceutical Resource Discovery, Biotechnology Department, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China,
- University of Chinese Academy of Sciences, Beijing, China,
| | - Yang-Liu Xia
- Laboratory of Pharmaceutical Resource Discovery, Biotechnology Department, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China,
- University of Chinese Academy of Sciences, Beijing, China,
| | - Liang-Liang Zhu
- Laboratory of Pharmaceutical Resource Discovery, Biotechnology Department, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China,
| | - Jing Ning
- Laboratory of Pharmaceutical Resource Discovery, Biotechnology Department, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China,
| | - Guang-Bo Ge
- Laboratory of Pharmaceutical Resource Discovery, Biotechnology Department, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China,
| | - Moshe Finel
- Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Finland, and
| | - Ling Yang
- Laboratory of Pharmaceutical Resource Discovery, Biotechnology Department, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China,
- Centre for System Pharmacokinetics, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| |
Collapse
|
18
|
Liang SC, Ge GB, Xia YL, Pei-Pei D, Ping W, Qi XY, Cai-Xia T, Ling Y. Inhibition of human catechol-O-methyltransferase-mediated dopamine O-methylation by daphnetin and its Phase II metabolites. Xenobiotica 2016; 47:498-504. [PMID: 27435571 DOI: 10.1080/00498254.2016.1204567] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Si-Cheng Liang
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China,
- Second Affiliated Hospital of Dalian Medical University, Dalian, China,
- Graduate University of Chinese Academy of Sciences, Beijing, China, and
| | - Guang-Bo Ge
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China,
| | - Yang-Liu Xia
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China,
| | - Dong Pei-Pei
- College of Pharmacy, Dalian Medical University, Dalian, China
| | - Wang Ping
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China,
| | - Xiao-Yi Qi
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China,
- Second Affiliated Hospital of Dalian Medical University, Dalian, China,
| | - Tu Cai-Xia
- Second Affiliated Hospital of Dalian Medical University, Dalian, China,
| | - Yang Ling
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China,
| |
Collapse
|