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Xiang G, Yang L, Qin J, Wang S, Zhang Y, Yang S. Revealing the potential bioactive components and mechanism of Qianhua Gout Capsules in the treatment of gouty arthritis through network pharmacology, molecular docking and pharmacodynamic study strategies. Heliyon 2024; 10:e30983. [PMID: 38770346 PMCID: PMC11103544 DOI: 10.1016/j.heliyon.2024.e30983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 05/08/2024] [Accepted: 05/08/2024] [Indexed: 05/22/2024] Open
Abstract
Recent clinical studies have confirmed the effectiveness of Qianhua Gout Capsules (QGC) in the treatment of gouty arthritis (GA). However, the specific regulatory targets and mechanisms of action of QGC are still unclear. To address this gap, we utilized network pharmacology, molecular docking, and pharmacodynamic approaches to investigate the bioactive components and associated mechanisms of QGC in the treatment of GA. By employing UPLC-Q Exactive-MS, we identified the compounds present in QGC, with active ingredients defined as those with oral bioavailability ≥30 % and drug similarity ≥0.18. Subsequently, the targets of these active compounds were determined using the TCMSP database, while GA-related targets were identified from DisGeNET, GeneCards, TTD, OMIM, and DrugBank databases. Further analysis including PPI analysis, GO analysis, and KEGG pathway enrichment was conducted on the targets. Validation of the predicted results was performed using a GA rat model, evaluating pathological changes, inflammatory markers, and pathway protein expression. Our results revealed a total of 130 components, 44 active components, 16 potential shared targets, GO-enriched terms, and 47 signaling pathways related to disease targets. Key active ingredients included quercetin, kaempferol, β-sitosterol, luteolin, and wogonin. The PPI analysis highlighted five targets (PPARG, IL-6, MMP-9, IL-1β, CXCL-8) with the highest connectivity, predominantly enriched in the IL-17 signaling pathway. Molecular docking experiments demonstrated strong binding of CXCL8, IL-1β, IL-6, MMP9, and PPARG targets with the top five active compounds. Furthermore, animal experiments confirmed the efficacy of QGC in treating GA in rats, showing reductions in TNF-α, IL-6, and MDA levels, and increases in SOD levels in serum. In synovial tissues, QGC treatment upregulated CXCL8 and PPARG expression, while downregulating IL-1β, MMP9, and IL-6 expression. In conclusion, this study applied a network pharmacology approach to uncover the composition of QGC, predict its pharmacological interactions, and demonstrate its in vivo efficacy, providing insights into the anti-GA mechanisms of QGC. These findings pave the way for future investigations into the therapeutic mechanisms underlying QGC's effectiveness in the treatment of GA.
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Affiliation(s)
- Gelin Xiang
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center of the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Ethnic Medicine of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Luyin Yang
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center of the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, China
| | - Jing Qin
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Ethnic Medicine of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Shaohui Wang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Ethnic Medicine of Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Meishan Hospital of Chengdu University of Traditional Chinese Medicine, Meishan, China
| | - Yi Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Ethnic Medicine of Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Meishan Hospital of Chengdu University of Traditional Chinese Medicine, Meishan, China
| | - Sijin Yang
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center of the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, China
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Luo Y, Hu B, Ji H, Jing Y, Dang X, Zhang H, Li B, Zhang G, Yan Y, Yang B, Peng L. Comprehensive evaluation of chemical constituents and antioxidant activity between crude and processed Polygalae radix based on UPLC-Q-TOF-MS/MS combined with multivariate statistical analysis. Heliyon 2024; 10:e27622. [PMID: 38515733 PMCID: PMC10955230 DOI: 10.1016/j.heliyon.2024.e27622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 03/01/2024] [Accepted: 03/04/2024] [Indexed: 03/23/2024] Open
Abstract
Polygalae radix (PR) is a famous herbal medicine obtained by drying the root of Polygala tenuifolia Willd., one of the traditional Chinese medicines (TCM) that can be used for healthy food. There are three main processed methods of PR, including removing the xylem of roots (Polygalae Cortex, PC), frying PC with licorice (LP), and frying PC with honey (HP). While processing is believed to enhance efficacy and reduce toxicity, it is crucial to understand the differences in chemical composition and biological activities between crude and processed PR. This study used ultra-performance liquid chromatography with quadrupole time-of-flight mass spectrometry (UPLC-Q-TOF-MS/MS) combined with multivariate statistical analysis to analyze the chemical profiles and differences between the crude and processed products. Total polyphenol contents (TPC), total flavonoid contents (TFC), total saponin contents (TSC) and antioxidant activity of the processed and crude PR were also investigated. A total of 131 chemical compounds, including 42 saponins, 44 oligosaccharide esters, 25 xanthones, 2 organic acids, 3 Carbohydrates, and 15 components detected in auxiliary materials, were detected in all samples. Notably, PC exhibited significant changes among the three processed products, with the content of 62 compounds being higher. Processing of licorice (LP) and honey (HP) decreased the content of several compounds due to temperature and moisture influences. Comprehensive comparison of the antioxidant capacity of crude and processed PR showed that the antioxidant capacity of PC was higher than that of PR, HP, and LP. Our results can provide a scientific basis for further developing and applying P. tenuifolia resources.
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Affiliation(s)
- Yao Luo
- Key Laboratory for Research of “Qin Medicine” of Shaanxi Administration of Traditional Chinese Medicine, Shaanxi Qinling Application Development and Engineering Center of Chinese Herbal Medicine, College of Pharmacy, Shaanxi University of Chinese Medicine, Xi’an, 712046, Shaanxi, China
| | - Benxiang Hu
- Key Laboratory for Research of “Qin Medicine” of Shaanxi Administration of Traditional Chinese Medicine, Shaanxi Qinling Application Development and Engineering Center of Chinese Herbal Medicine, College of Pharmacy, Shaanxi University of Chinese Medicine, Xi’an, 712046, Shaanxi, China
- Shaanxi Institute of International Trade&Commerce, Xi’an, 712046, Shaanxi, China
| | - Haiyue Ji
- Key Laboratory for Research of “Qin Medicine” of Shaanxi Administration of Traditional Chinese Medicine, Shaanxi Qinling Application Development and Engineering Center of Chinese Herbal Medicine, College of Pharmacy, Shaanxi University of Chinese Medicine, Xi’an, 712046, Shaanxi, China
- Shaanxi Institute of International Trade&Commerce, Xi’an, 712046, Shaanxi, China
| | - Yiyao Jing
- Key Laboratory for Research of “Qin Medicine” of Shaanxi Administration of Traditional Chinese Medicine, Shaanxi Qinling Application Development and Engineering Center of Chinese Herbal Medicine, College of Pharmacy, Shaanxi University of Chinese Medicine, Xi’an, 712046, Shaanxi, China
| | - Xiaoling Dang
- Shaanxi Institute of International Trade&Commerce, Xi’an, 712046, Shaanxi, China
| | - Han Zhang
- Key Laboratory for Research of “Qin Medicine” of Shaanxi Administration of Traditional Chinese Medicine, Shaanxi Qinling Application Development and Engineering Center of Chinese Herbal Medicine, College of Pharmacy, Shaanxi University of Chinese Medicine, Xi’an, 712046, Shaanxi, China
| | - Bo Li
- Key Laboratory for Research of “Qin Medicine” of Shaanxi Administration of Traditional Chinese Medicine, Shaanxi Qinling Application Development and Engineering Center of Chinese Herbal Medicine, College of Pharmacy, Shaanxi University of Chinese Medicine, Xi’an, 712046, Shaanxi, China
| | - Gang Zhang
- Key Laboratory for Research of “Qin Medicine” of Shaanxi Administration of Traditional Chinese Medicine, Shaanxi Qinling Application Development and Engineering Center of Chinese Herbal Medicine, College of Pharmacy, Shaanxi University of Chinese Medicine, Xi’an, 712046, Shaanxi, China
| | - Yongang Yan
- Key Laboratory for Research of “Qin Medicine” of Shaanxi Administration of Traditional Chinese Medicine, Shaanxi Qinling Application Development and Engineering Center of Chinese Herbal Medicine, College of Pharmacy, Shaanxi University of Chinese Medicine, Xi’an, 712046, Shaanxi, China
| | - Bingyue Yang
- Key Laboratory for Research of “Qin Medicine” of Shaanxi Administration of Traditional Chinese Medicine, Shaanxi Qinling Application Development and Engineering Center of Chinese Herbal Medicine, College of Pharmacy, Shaanxi University of Chinese Medicine, Xi’an, 712046, Shaanxi, China
| | - Liang Peng
- Key Laboratory for Research of “Qin Medicine” of Shaanxi Administration of Traditional Chinese Medicine, Shaanxi Qinling Application Development and Engineering Center of Chinese Herbal Medicine, College of Pharmacy, Shaanxi University of Chinese Medicine, Xi’an, 712046, Shaanxi, China
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Mokhtari A, Omidi M, Ebrahimi M, Alizadeh H, Sobhani A, Azadi P, Noormohammadi N, Shafaie M. Optimizing the extract yield of bioactive compounds in Valeriana officinalis root: a D-optimal design. Prep Biochem Biotechnol 2024:1-11. [PMID: 38432680 DOI: 10.1080/10826068.2023.2297709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2024]
Abstract
It is estimated that 80% of all synthetic drugs are derived from medicinal plants, and nowadays, many synthetic drugs are derived from medicinal plants. Valeriana officinalis can treat many diseases of the nervous system. A crucial aspect of valerian extract is that it inhibits the proliferation of breast cancer cells. To optimize the yield of bioactive compounds in the V. officinalis root extraction, a response surface methodology-based D-optimal design was used. To fulfill this aim, the effects of various factors such as solvent type and concentration, mixing temperature, ultrasound time, and drying method were examined. The optimal conditions for solvent percentages, mixing temperature, ultrasound time, solvent type, and drying methods were determined to be 94.88%, 25 °C, 48.95 min, methanol, and microwave, respectively, with a desirability of 0.921. The predicted valerenic acid, total phenols, total flavonoids, and antioxidant activity in V. officinalis extract were 1.19 (mg/g DW), 8.22 (mg/g DW), 5.27 (mg/g DW), and 92.64%, respectively. In optimal conditions, the extracted amounts of valerenic acid, total phenols, total flavonoids, and antioxidant activity were 2.07 mg/g DW, 7.96 mg/g DW, 5.52 mg/g DW, and 78.68%, respectively, which were consistent with the model predicted amounts (based on 95% prediction interval). This study could be useful as a model for demonstrating the efficacy of microwave drying to maximize the biochemical content of V. officinalis, as well as the antioxidant activity of the root extracts of V. officinalis on industrial scale.
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Affiliation(s)
- Arash Mokhtari
- Department of Biotechnology, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
- Agricultural Biotechnology Research Institute of Iran, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran
| | - Mansoor Omidi
- Department of Biotechnology, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
| | - Morteza Ebrahimi
- Agricultural Biotechnology Research Institute of Iran, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran
| | - Houshang Alizadeh
- Department of Biotechnology, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
| | - Ahmad Sobhani
- Agricultural Biotechnology Research Institute of Iran, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran
| | - Pejman Azadi
- Agricultural Biotechnology Research Institute of Iran, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran
| | - Nafiseh Noormohammadi
- Agricultural Biotechnology Research Institute of Iran, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran
| | - Mozhdeh Shafaie
- Agricultural Biotechnology Research Institute of Iran, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran
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Yee LS, Abu Bakar MF, Abdullah N, Abu Bakar FI, Fatmawati S. Optimization of total phenolic content, total flavonoid content and anti-gout properties of polyherbal formulation. JOURNAL OF COMPLEMENTARY & INTEGRATIVE MEDICINE 2023; 20:772-778. [PMID: 37561949 DOI: 10.1515/jcim-2020-0141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Accepted: 07/28/2023] [Indexed: 08/12/2023]
Abstract
OBJECTIVES An increase in gout prevalence has drawn attention among society and this situation drives the exploration of more favourable treatment using traditional medicinal plants which are rich in phenolic and flavonoid to avoid the side effects of modern medication. However, there are only few studies regarding the optimization of phytochemicals and anti-gout properties of medicinal plants and their combinations. The objectives of this study were to determine the optimal formulation of Strobilanthes crispus, Orthosiphon stamineus Benth and Stevia rebaudiana with maximum total phenolic and flavonoid contents as well as minimum IC50 of in vitro xanthine oxidase inhibitory activity and to examine their correlations among the formulations. METHODS Plant extracts from hot water infusion were tested for the total phenolic content, total flavonoid content and enzyme inhibition through Folin-ciocalteu assay, aluminium chloride method and xanthine oxidase inhibition assay, respectively. Simplex-centroid mixture design was applied in this study and 13 polyherbal formulations were generated by Design Expert Software. RESULTS Linear, special cubic and quadratic models were selected to describe the interaction effect between polyherbal formulations and their responses. Low IC50 value (13.90 μg/mL) of xanthine oxidase activity was found in the binary combination of O. stamineus and S. rebaudiana and this probably related to its high phenolic and flavonoid contents as xanthine oxidase inhibition and phytochemicals were correlated. CONCLUSIONS The suggested optimal formulation was comprised of 44.26 % O. stamineus and 55.74 % S. rebaudiana and it could be developed as an alternative treatment for gout.
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Affiliation(s)
- Lim Sin Yee
- Department of Technology and Natural Resources, Faculty of Applied Sciences and Technology, Universiti Tun Hussein Onn Malaysia, UTHM Pagoh Campus, Muar, Johor, Malaysia
| | - Mohd Fadzelly Abu Bakar
- Department of Technology and Natural Resources, Faculty of Applied Sciences and Technology, Universiti Tun Hussein Onn Malaysia, UTHM Pagoh Campus, Muar, Johor, Malaysia
| | - Norazlin Abdullah
- Department of Technology and Natural Resources, Faculty of Applied Sciences and Technology, Universiti Tun Hussein Onn Malaysia, UTHM Pagoh Campus, Muar, Johor, Malaysia
| | - Fazleen Izzany Abu Bakar
- Department of Technology and Natural Resources, Faculty of Applied Sciences and Technology, Universiti Tun Hussein Onn Malaysia, UTHM Pagoh Campus, Muar, Johor, Malaysia
| | - Sri Fatmawati
- Department of Chemistry, Faculty of Science and Data Analytics, Institute Technology Sepuluh Nopember, Sukolilo, Surabaya, East Java, Indonesia
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Dereje B, Nardos A, Abdela J, Terefe L, Arega M, Yilma TM, Tesfaye T. Antidiabetic Activities of 80% Methanol Extract and Solvent Fractions of Verbascum Sinaiticum Benth (Scrophulariaceae) Leaves in Mice. J Exp Pharmacol 2023; 15:423-436. [PMID: 37964792 PMCID: PMC10642538 DOI: 10.2147/jep.s437991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 11/02/2023] [Indexed: 11/16/2023] Open
Abstract
Background Because of the scarcity, high cost, and severe side effects of current medications, it is necessary to discover novel, safe, and affordable anti-diabetic drugs. The current study was conducted to evaluate the antidiabetic activities of Verbascum sinaiticum Benth leaves in mice. Methods Leaf coarse powder was extracted with 80% methanol and then fractionated with n-hexane, ethyl acetate, and distilled water. The glucose-lowering effects of V. sinaiticum at 100, 200, and 400mg/kg were then studied. Glibenclamide was used as a positive control at a dose of 5 mg/kg. For oral glucose tolerance tests and hypoglycemia tests, Tween 2% was used as a negative control, while citrate buffer was used as a negative control for antihyperglycemic investigations. The results from the study were evaluated using one-way ANOVA, and then Tukey's post hoc multiple comparison test was performed. Results Blood glucose levels were significantly reduced by the V. sinaiticum 80% methanol extract at 400 mg/kg (p<0.05). The blood glucose levels were significantly lowered by the aqueous residue at 400 mg/kg (p<0.05) and the ethyl acetate fractions at 200 mg/kg (p<0.01) and 400 mg/kg (p<0.001); however, none of the fraction extracts resulted in hypoglycemic shock in healthy mice. Higher glucose tolerance was seen in orally glucose-loaded mice after exposure to 80% methanol extracts at 200 and 400 mg/kg (p<0.05), the aqueous residual fraction at 200 mg/kg (p<0.01), and the ethyl acetate fraction at 200 and 400 mg/kg (p<0.05). The ethyl acetate fraction at 200 and 400 mg/kg (p<0.01), the 80% methanol extract at 400 mg/kg (p<0.05) and the aqueous residue at 400 mg/kg (p 0.01) significantly lowered blood glucose levels in streptozotocin-induced diabetic mice. Conclusion The results of this study revealed that the 80% methanol extract and solvent fractions of V. sinaiticum Benth leaves are endowed with antidiabetic activity.
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Affiliation(s)
- Beyene Dereje
- Department of Pharmacology, School of Medicine, College of Medicine and Health Science, Dire Dawa University, Dire Dawa, Ethiopia
| | - Aschalew Nardos
- Department of Pharmacology, School of Pharmacy, College of Medicine and Health Science, Hawassa University, Hawassa, Ethiopia
| | - Jemal Abdela
- Department of Pharmacology, School of Pharmacy, College of Health and Medical Science, Haramaya University, Harar, Ethiopia
| | - Lidet Terefe
- Department of Pharmacology, School of Pharmacy, College of Medicine and Health Science, Hawassa University, Hawassa, Ethiopia
| | - Melese Arega
- Department of Pharmacy, Pawi Health Science College, Pawi, Benishangul, Ethiopia
| | - Terfo Mikre Yilma
- Department of Medicinal Chemistry, School of Pharmacy, College of Health and Medical Science, Haramaya University, Harar, Ethiopia
| | - Tilahun Tesfaye
- Department of Pharmacy, College of Medicine and Health Science, Ambo University, Ambo, Ethiopia
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Endrini S, Abu Bakar FI, Abu Bakar MF, Abdullah N, Marsiati H. Phytochemical profiling, in vitro and in vivo xanthine inhibition and antihyperuricemic activity of Christia vespertilionis leaf. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2023. [DOI: 10.1016/j.bcab.2023.102645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
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Ouassaf M, Belaidi S, Chtita S, Lanez T, Abul Qais F, Md Amiruddin H. Combined molecular docking and dynamics simulations studies of natural compounds as potent inhibitors against SARS-CoV-2 main protease. J Biomol Struct Dyn 2022; 40:11264-11273. [PMID: 34315340 DOI: 10.1080/07391102.2021.1957712] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Main protease (Mpro) of SARS-CoV-2 is a key CoV enzyme that plays a pivotal role in mediating viral replication and transcription, making it an attractive drug target for SARS-CoV-2 the new strain of coronavirus. In this study, we evaluated biologically active compounds present in medicinal plants as potential SARS-CoV-2 Mpro inhibitors, using a molecular docking study with Autodock Vina software. Top seven compounds Afzelin, Phloroglucinol, Myricetin-3-O- rutinosid Tricin 7-neohesperidoside, Silybin, Kaempferol and Silychristin among 50 molecules of natural Origin (Algerian Medicinal plants) were selected which had better and significantly low binding energy as compared to the reference molecule with binding affinities of -9.3, -9.3, -9, -8.9, -8.5, 8.3 and -8.3 kcal mol-1 respectively. Then, we analyzed the ADME properties of the best 7 ligands using the Web server SwissADME. Two of small molecules have been shown to be the ideal candidates for further drug development. Finally, the stability of the both compounds complexed with Mpro was validated through molecular dynamics (MD) simulation, they displayed stable trajectory (RMSD, RMSF) and molecular properties with consistent interaction profile in molecular dynamics simulations, moreover, Silybin could form more stable complex with Mpro than Silychristin.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Mebarka Ouassaf
- Group of Computational and Medicinal Chemistry, LMCE Laboratory, University of Biskra, Biskra, Algeria
| | - Salah Belaidi
- Group of Computational and Medicinal Chemistry, LMCE Laboratory, University of Biskra, Biskra, Algeria.,Centre de Recherche en Sciences Pharmaceutiques (CRSP) la nouvelle ville Ali Mendjeli, Constantine, Algeria
| | - Samir Chtita
- Laboratory of Physical Chemistry of Materials, Faculty of Sciences Ben M'Sik, Hassan II University of Casablanca, Casablanca, Morocco
| | - Touhami Lanez
- VTRS Laboratory, Faculty of Sciences and Technology, University of El Oued, El Oued, Algeria
| | - Faizan Abul Qais
- Department of Agricultural Microbiology, Faculty of Agricultural Sciences, Aligarh Muslim University, Aligarh, Uttar Pradesh, India
| | - Hashmi Md Amiruddin
- Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, India
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Bai H, Jiang W, Yan R, Wang F, Jiao L, Duan L, Jia P, Xie Y, Wang S. Comparing the effects of three processing methods on the efficacy of mulberry leaf tea: analysis of bioactive compounds, bioavailability and bioactivity. Food Chem 2022; 405:134900. [DOI: 10.1016/j.foodchem.2022.134900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 10/27/2022] [Accepted: 11/06/2022] [Indexed: 11/13/2022]
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Jong SH, Abdullah N, Muhammad N. Optimization of low-methoxyl pectin extraction from durian rinds and its physicochemical characterization. CARBOHYDRATE POLYMER TECHNOLOGIES AND APPLICATIONS 2022. [DOI: 10.1016/j.carpta.2022.100263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Adeyi O, Okolo BI, Oke EO, Adeyi AJ, Otolorin JA, Olalere OA, Taiwo AE, Okhale S, Gbadamosi B, Onu PN, Aremu OS, Qwebani-Ogunleye T. Preliminary techno-economic assessment and uncertainty analysis of scaled-up integrated process for bioactive extracts production from Senna alata (L.) leaves. SOUTH AFRICAN JOURNAL OF CHEMICAL ENGINEERING 2022. [DOI: 10.1016/j.sajce.2022.07.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Response Surface Methodology Applied to the Optimization of the Preparation of Antioxidant and Antidiabetic Extracts from Phragmanthera capitata (Spreng.) Balle: Effect of Particle Size, Powder-to-Solvent Ratio, and Temperature. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:8397250. [PMID: 36091603 PMCID: PMC9458395 DOI: 10.1155/2022/8397250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 07/23/2022] [Indexed: 11/17/2022]
Abstract
Phragmanthera capitata is a medicinal plant used in traditional medicine to treat several diseases, including diabetes. Its antioxidant properties and inhibitory effects on enzyme-carbohydrate digestion activities have been demonstrated. The present study aimed to provide data that can contribute to rationalizing the preparation of antioxidant and antidiabetic extracts from this plant. P. capitata (whole plant) growing on Persea americana was harvested at the fruiting stage. A response surface design-type central composite was applied to maximize the extraction yield, phenolic contents, and antioxidant and antidiabetic properties of the ethyl acetate extract of P. capitata. The influencing extraction factors were temperature, powder particle size, and solvent-to-powder ratio. The total phenolic content, total antioxidant capacity (TAC), DPPH scavenging ability, ferric reducing antioxidant power (FRAP), and antidiabetic (α-amylase and α-glucosidase inhibitory) effects of the extracts were determined using conventional methods. A temperature above 55°C contributed to the degradation of the extract, which was reflected in the GC-MS profile by a significant reduction in the number of compounds it contained. The optimal conditions were defined as 24.42°C for temperature, 250 µm powder particle size, and 8.30 (v:w) solvent-to-powder ratio. This extraction protocol resulted in more than twice the extraction yield (3.05%), TTC (62.30 mg TAE/g), TAC (41.41 mg AAE/g), FRAP (186.56 mg AAE/g), and α-amylase (IC50 15.05 µg/mL) and α-glucosidase (IC50 21.14 µg/mL) inhibitory activities compared to our previous results. Additionally, these optimal conditions led experimentally to the extraction of higher phenolic content and to the attainment of higher antioxidant and antidiabetic activity, which closely matched the predicted values. Using these conditions, it is possible to prepare an antidiabetic phytomedicine from P. capitatathat can prevent oxidative stress complications. However, further complementary studies should be carried out considering other factors that influence the composition and pharmacological properties of the extract.
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Dwibedi V, Jain S, Singhal D, Mittal A, Rath SK, Saxena S. Inhibitory activities of grape bioactive compounds against enzymes linked with human diseases. Appl Microbiol Biotechnol 2022; 106:1399-1417. [PMID: 35106636 DOI: 10.1007/s00253-022-11801-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 01/20/2022] [Accepted: 01/21/2022] [Indexed: 12/14/2022]
Abstract
A quest for identification of novel, safe and efficient natural compounds, as additives in the modern food and cosmetic industries, has been prompted by concerns about toxicity and side effects of synthetic products. Plant phenolic compounds are one of the most documented natural products due to their multifarious biological applications. Grape (Vitis vinifera) is an important source of phenolic compounds such as phenolic acids, tannins, quinones, coumarins and, most importantly, flavonoids/flavones. This review crisply encapsulates enzyme inhibitory activities of various grape polyphenols towards different key human-ailment-associated enzymes: xanthine oxidase (gout), tyrosinase (hyperpigmentation), α-amylase and α-glucosidase (diabetes mellitus), pancreatic lipase (obesity), cholinesterase (Alzheimer's disease), angiotensin i-converting enzymes (hypertension), α-synuclein (Parkinson's disease) and histone deacetylase (various diseases). The review also depicts the enzyme inhibitory mechanism of various grape polyphenols and briefly discusses their stature as potential therapeutic and drug development candidates. KEY POINTS: • Nineteen major bioactive polyphenols from the grape/grape products and their disease targets are presented • Sixty-two important polyphenols as enzyme inhibitors from grape/grape products are presented • A thorough description and graphical presentation of biological significance of polyphenols against various diseases.
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Affiliation(s)
- Vagish Dwibedi
- University Institute of Biotechnology, Chandigarh University, Mohali, Punjab, 140413, India
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, Punjab, 147001, India
| | - Sahil Jain
- University Institute of Biotechnology, Chandigarh University, Mohali, Punjab, 140413, India
| | - Divya Singhal
- University Institute of Biotechnology, Chandigarh University, Mohali, Punjab, 140413, India
| | - Anuradha Mittal
- University Institute of Biotechnology, Chandigarh University, Mohali, Punjab, 140413, India
| | - Santosh Kumar Rath
- Department of Pharmaceutical Chemistry, Danteswari College of Pharmacy, Borpadar, Jagdalpur, Chhattisgarh, 494221, India.
| | - Sanjai Saxena
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, Punjab, 147001, India
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Abstract
Olive leaves are a rich source of polyphenols that have beneficial antihypertensive, hypocholesterolemic, cardioprotective, and anti-inflammatory effects. The aim of this study was to compare the efficiency of conventional extraction (CE), microwave-assisted extraction (MWE), and microwave–ultrasound-assisted extraction (MWUE) for the extraction of bioactive molecules from olive leaves using water as a solvent and to define the optimal extraction conditions for all three methods used. CE conditions (temperature, time, magnetic stirrer rotational rate and particle diameter) and MWE extraction and MWUE conditions (microwave power, time, particle diameter, and temperature) were optimized using response surface methodology (RSM) based on the Box–Behnken experimental design. The total polyphenol content and antioxidant activity of all prepared extracts was analyzed and compared. The results showed that MWUE provided the highest amount of total polyphenols (Total Polyphenolic Content (TPC) = 273.779 ± 4.968 mgGAE gd.m.−1) and the highest antioxidant activity, which was about 3.1 times higher than CE. Optimal extraction conditions were determined to be 80 °C, 15 min, 200 μm, and 750 min-1 for CE, 700 W, 7.5 min, 300 μm, and 80 °C for MWE, and 800 W, 5 min, 100 μm, and 60 °C for MWUE. Considering the maximum amount of total polyphenols extracted, the results suggest that MWUE is the most effective green extraction process that extracted the highest amount of polyphenols and could be used by the food industry for commercial exploitation of currently unprofitable plant bioactive sources.
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Abdulhafiz F, Farhan Hanif Reduan M, Hamzah Z, Abdul Kari Z, Dawood MA, Mohammed A. Acute Oral Toxicity Assessment and Anti-hyperuricemic Activity of Alocasia longiloba Extracts on Sprague-Dawley Rats. Saudi J Biol Sci 2022; 29:3184-3193. [PMID: 35844413 PMCID: PMC9280170 DOI: 10.1016/j.sjbs.2022.01.050] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 12/11/2021] [Accepted: 01/22/2022] [Indexed: 12/19/2022] Open
Abstract
Hyperuricemia is defined as a metabolic abnormality that occurs when serum uric acid (UA) level is abnormally high in the body. We previously reported that A. longiloba possesses various important phytochemicals and in vitro xanthine oxidase activity. Despite A. longiloba ethnomedicinal benefits, its toxicity and anti-hyperuricemic effects have not been reported. The present study was carried out to ensure the safety and investigate the anti-hyperuricemic effects of A. longiloba fruit and petiole ethanolic extracts on rats. In the acute toxicity study, extracts were orally administered at a dose of 2000 mg/kg bodyweight and closely monitored for 2-week for any toxicity effects. The rats were then sacrificed and samples were collected and analyzed for hematological, biochemical, and histopathological parameters. The anti-hyperuricemic effect of A. longiloba fruit or petiole extract was investigated through determination of UA levels on potassium oxonate (PO)-induced hyperuricemic rats. Extracts or standard drug treatments were orally administrated 1-h after PO administration for 14-day. Animals were euthanized and samples were collected for further experiments. The toxicity results show, no significant changes were observed in behavioral, bodyweight changes in experimental groups compared to the control. Moreover, there were no significant changes in hematological, biochemical, and histological parameters between extracts treated and control group. In the anti-hyperuricemia study, the fruit and petiole extracts treatments significantly reduced the level of UA in serum compared to the hyperuricemic model group. This study demonstrated that the extracts of A. longiloba have anti-hyperuricemic activity and was found to be non-toxic to rats in acute toxicity test.
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Fadjare Frempong T, Owusu Boadi N, Badu M. Optimization of extraction conditions for polyphenols from the stem bark of Funtumia elastica (Funtum) utilizing response surface methodology. AAS Open Res 2021; 4:46. [PMID: 34632271 DOI: 10.12688/aasopenres.13284.1] [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] [Accepted: 08/27/2021] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND The recovery of phenolic compounds is seen as an arduous task because phenolic compounds are available as free aglycones, as sugar or ester conjugates, or as polymers with several monomeric components. This study looks at the optimization of factors that affect the efficiency for the extraction of phenolic compounds from the stem-bark of Funtumia elastica. METHODS Five independent variables (solvent concentration, time, the temperature, solid-liquid ratio, and pH) of the extraction process were selected. Single factor analysis as well as the response surface method was used to evaluate the impact of the selected factors on the total phenolic content. The effect of the extraction factors on the phenolic content was tested for its statistical significant (p <0.05). For the response surface method, a five/factor, five/level central composite design was used, and a fitted second-order polynomial regression model equation was used to show how the extraction parameters affected the total phenolic recovery. RESULTS The predicted value (R² of 0.5917) agreed with the adjusted value (R² of 0.7707). The residuals for response predictions were less than 5%. The optimal factors for the extraction were ethanol concentration of 75.99% v/v, extraction time of 193.86 minutes, temperature of 63.66°C, pH of 5.62, and solid-liquid ratio of 1:21.12 g/mL. Actual overall content of the phenolic compounds was validated at 82.83 ± 3.335 mg gallic acid equivalent (GAE) /g weight of extract, which agreed with the predicted response of 89.467 mg GAE/g of the dried extract under the optimal factors. CONCLUSIONS The rich phenolic content of stem-bark of Funtumia elastica points to its potential as a functional medicinal product to alleviate diseases caused by oxidative stress such as asthma, breathing disorders, inflammation, and cardiovascular diseases. The results obtained indicate that, the studied optimal conditions support effective phenolics extraction of Funtumia elastica.
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Affiliation(s)
- Theophilus Fadjare Frempong
- Department of Chemistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ashanti Region, UPO PMB, Ghana
| | - Nathaniel Owusu Boadi
- Department of Chemistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ashanti Region, UPO PMB, Ghana
| | - Mercy Badu
- Department of Chemistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ashanti Region, UPO PMB, Ghana
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Fadjare Frempong T, Owusu Boadi N, Badu M. Optimization of extraction conditions for polyphenols from the stem bark of Funtumia elastica (Funtum) utilizing response surface methodology. AAS Open Res 2021; 4:46. [PMID: 34632271 PMCID: PMC8479850 DOI: 10.12688/aasopenres.13284.2] [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] [Accepted: 10/19/2021] [Indexed: 11/20/2022] Open
Abstract
Background: The recovery of phenolic compounds is seen as an arduous task because phenolic compounds are available as free aglycones, as sugar or ester conjugates, or as polymers with several monomeric components. This study looks at the optimization of factors that affect the efficiency for the extraction of phenolic compounds from the stem-bark of Funtumia elastica. Methods: Five independent variables (solvent concentration, time, the temperature, solid-liquid ratio, and pH) of the extraction process were selected. Single factor analysis as well as the response surface method was used to evaluate the impact of the selected factors on the total phenolic content. The effect of the extraction factors on the phenolic content was tested for its statistical significant (p <0.05). For the response surface method, a five/factor, five/level central composite design was used, and a fitted second-order polynomial regression model equation was used to show how the extraction parameters affected the total phenolic recovery. Results: The predicted value (R² of 0.5917) agreed with the adjusted value (R² of 0.7707). The residuals for response predictions were less than 5%. The optimal factors for the extraction were ethanol concentration of 75.99% v/v, extraction time of 193.86 minutes, temperature of 63.66°C, pH of 5.62, and solid-liquid ratio of 1:21.12 g/mL. Actual overall content of the phenolic compounds was validated at 82.83 ± 3.335 mg gallic acid equivalent (GAE) /g weight of extract, which agreed with the predicted response of 89.467 mg GAE/g of the dried extract under the optimal factors. Conclusions: The rich phenolic content of stem-bark of Funtumia elastica points to its potential as a functional medicinal product to alleviate diseases caused by oxidative stress such as asthma, breathing disorders, inflammation, and cardiovascular diseases. The results obtained indicate that, the studied optimal conditions support effective phenolics extraction of Funtumia elastica.
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Affiliation(s)
- Theophilus Fadjare Frempong
- Department of Chemistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ashanti Region, UPO PMB, Ghana
| | - Nathaniel Owusu Boadi
- Department of Chemistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ashanti Region, UPO PMB, Ghana
| | - Mercy Badu
- Department of Chemistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ashanti Region, UPO PMB, Ghana
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Bai H, Jiang W, Wang X, Hu N, Liu L, Li X, Xie Y, Wang S. Component changes of mulberry leaf tea processed with honey and its application to in vitro and in vivo models of diabetes. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2021; 38:1840-1852. [PMID: 34266375 DOI: 10.1080/19440049.2021.1953709] [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: 12/19/2022]
Abstract
Honey is a traditional food additive that can be used to preserve food, increase the flavour of food, and enhance the effect of some functional foods. Mulberry leaf is a popular tea, and it is also an anti-diabetic medicinal material. In the traditional processing of mulberry leaf tea, honey is a commonly used additive. This study used ultra-high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) to measure the changes in the contents of 11 components of mulberry leaves before and after processing using honey as an additive. We analysed the absorption and elimination characteristics of mulberry leaves before and after processing in diabetes in vivo models, and then compared the effect of mulberry leaves before and after processing in resisting hyperglycaemia and hyperlipidaemia damage in in vitro models. The results showed that honey, as an additive, not only improves the dissolution of mulberry leaves, but in diabetes models also increases the utilisation of some components. In an in vitro model, honey mulberry leaves could significantly reduce the apoptosis of vascular endothelial cells. This demonstrated that the traditional processing method using honey as an additive could promote the anti-diabetic effect of mulberry tea. So far, this is the first research report on the quality and role of honey as an additive in mulberry leaf processing.Abbreviations: ML: mulberry leaves; HML: honey mulberry leaves; QC: quality control; HQC: high quality control sample; LLOQ: lower limit of quantification; LQC: low-quality control sample; MQC: medium-quality control sample; MRM: multiple reaction monitoring; STZ: streptozotocin.
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Affiliation(s)
- Huixin Bai
- Department of Life Science and Medicine, Northwest University, Xi'an, China
| | - Wei Jiang
- Department of Pharmacy, The Second Affiliated Hospital of Air Force Medical University, Xi'an, China
| | - Xufang Wang
- Department of Life Science and Medicine, Northwest University, Xi'an, China
| | - Na Hu
- Department of Pharmacy, The Second Affiliated Hospital of Air Force Medical University, Xi'an, China
| | - Linna Liu
- Department of Pharmacy, The Second Affiliated Hospital of Air Force Medical University, Xi'an, China
| | - Xi Li
- Department of Pharmacy, The Second Affiliated Hospital of Air Force Medical University, Xi'an, China
| | - Yanhua Xie
- Department of Life Science and Medicine, Northwest University, Xi'an, China.,Department of Traditional Chinese Medicine and Natural Pharmacology, School of Pharmacy, Air Force Medical University, Xi'an, China
| | - Siwang Wang
- Department of Life Science and Medicine, Northwest University, Xi'an, China.,Department of Traditional Chinese Medicine and Natural Pharmacology, School of Pharmacy, Air Force Medical University, Xi'an, China
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Phytochemical Constituents and Allelopathic Potential of Parthenium hysterophorus L. in Comparison to Commercial Herbicides to Control Weeds. PLANTS 2021; 10:plants10071445. [PMID: 34371648 PMCID: PMC8309427 DOI: 10.3390/plants10071445] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/02/2021] [Accepted: 06/11/2021] [Indexed: 11/16/2022]
Abstract
The allelopathic effect of various concentrations (0, 6.25, 12.5, 50 and 100 g L-1) of Parthenium hysterophorus methanol extract on Cyperus iria was investigated under laboratory and glasshouse conditions. No seed germination was recorded in the laboratory when P. hysterophorus extract was applied at 50 g L-1. In the glasshouse, C. iria was mostly injured by P. hysterophorus extract at 100 g L-1. The phytochemical constituents of the methanol extract of P. hysterophorus were analyzed by LC-ESI-QTOF-MS=MS. The results indicated the presence of phenolic compounds, terpenoids, alkaloids, amino acids, fatty acids, piperazines, benzofuran, indole, amines, azoles, sulfonic acid and other unknown compounds in P. hysterophorus methanol extract. A comparative study was also conducted between P. hysterophorus extract (20, 40 and 80 g L-1) with a synthetic herbicide (glyphosate and glufosinate ammonium at 2 L ha-1) as a positive control and no treatment (negative control) on Ageratumconyzoides, Oryzasativa and C. iria. The growth and biomass of test weeds were remarkably inhibited by P. hysterophorus extract. Nevertheless, no significant difference was obtained when P. hysterophorus extract (80 g L-1) and synthetic herbicides (glyphosate and glufosinate ammonium) were applied on A.conyzoides.
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Li WH, Han JR, Ren PP, Xie Y, Jiang DY. Exploration of the mechanism of Zisheng Shenqi decoction against gout arthritis using network pharmacology. Comput Biol Chem 2020; 90:107358. [PMID: 33243703 DOI: 10.1016/j.compbiolchem.2020.107358] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 07/14/2020] [Accepted: 08/05/2020] [Indexed: 12/29/2022]
Abstract
BACKGROUND In this study, the network pharmacological methods were used to predict the target of effective components of compounds in Zisheng Shenqi Decoction (ZSD, or Nourishing Kidney Qi Decoction) in the treatment of gouty arthritis (GA). METHOD The main effective components and corresponding key targets of herbs in the ZSD were discerned through the Traditional Chinese Medicine Systems Pharmacology Database and Analysis (TCMSP), Bioinformatics Analysis Tool for Molecular mechanism of Traditional Chinese Medicine (BATMAN-TCM) database. UniProt database and Swiss Target Prediction (STP) database was used to rectify and unify the target names and supply the target information. The targets related to GA were obtained by using GeneCards database. After we discovered the potential common targets between ZSD and GA, the interaction network diagram of "ZSD-component-GA-target" was constructed by Cytoscape software (Version 3.7.1). Subsequently, the Protein-protein interaction (PPI) network of ZSD effective components-targets and GA-related targets was constructed by Search Tool for the Retrieval of Interacting Genes Database (STRING). Bioconductor package "org.Hs.eg.db" and "cluster profiler" package were installed in R software (Version 3.6.0) which used for Gene Ontology analysis and KEGG (Kyoto Encyclopedia of Genes and Genomes) pathway enrichment analysis. RESULTS 146 components and 613 targets of 11 herbal medicines in the ZSD were got from TCMSP database and BATMAN-TCM database. 987 targets of GA were obtained from GeneCards database. After intersected and removed duplications, 132 common targets between ZSD and GA were screened out by Cytoscape software (Version 3.7.1). These common targets derived from 81 effective components of 146 components, such as quercetin, stigmasterol and kaempferol. They were closely related to anti-inflammatory, analgesic and anti oxidative stress and the principal targets comprised of Purinergic receptor P2X, ligand-gated ion channel 7 (P2x7R), Nod-like receptor protein 3 (NLRP3) and IL-1β. GO enrichment analysis and KEGG pathway enrichment analysis by R software (Version 3.6.0) showed that the key target genes had close relationship with oxidative stress, reactive oxygen species (ROS) metabolic process and leukocyte migration in aspects of biological process, cell components and molecular function. It also indicated that ZSD could decrease inflammatory reaction, alleviate ROS accumulation and attenuate pain by regulating P2 × 7R and NOD like receptor signaling pathway of inflammatory reaction. CONCLUSION A total of 81 effective components and 132 common target genes between ZSD and GA were screened by network pharmacology. The PPI network, GO enrichment analysis and KEGG pathway enrichment analysis suggested that ZSD can exerte anti-inflammatory and analgesic effects on the treatment of GA by reducing decreasing inflammatory reaction, alleviating ROS accumulation, and attenuating pain. The possible molecular mechanism of it mainly involved multiple components, multiple targets and multiple signaling pathways, which provided a comprehensive understanding for further study. In general, the network pharmacological method applied in this study provides an alternative strategy for the mechanism of ZSD in the treatment of GA.
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Affiliation(s)
- Wen-Hao Li
- Department of Synopsis of The Golden Chamber, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang, 150040, China.
| | - Jie-Ru Han
- Department of Synopsis of The Golden Chamber, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang, 150040, China.
| | - Peng-Peng Ren
- Department of Integrated Chinese and Western medicine, First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, 150001, China.
| | - Ying Xie
- Department of Synopsis of The Golden Chamber, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang, 150040, China.
| | - De-You Jiang
- Department of Synopsis of The Golden Chamber, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang, 150040, China.
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Olalere OA, Gan CY. Microwave-assisted extraction of phenolic compounds from Euphorbia hirta leaf and characterization of its morphology and thermal stability. SEP SCI TECHNOL 2020. [DOI: 10.1080/01496395.2020.1795678] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Olusegun Abayomi Olalere
- Analytical Biochemistry Research Centre (Abrc), Universiti Sains Malaysia (USM), Gelugor, Malaysia
| | - Chee-Yuen Gan
- Analytical Biochemistry Research Centre (Abrc), Universiti Sains Malaysia (USM), Gelugor, Malaysia
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