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Cao X, Li G, Xie J, Wu M, Wang W, Xiao L, Qian Z. Screening Antioxidant Components in Different Parts of Dandelion Using Online Gradient Pressure Liquid Extraction Coupled with High-Performance Liquid Chromatography Antioxidant Analysis System and Molecular Simulations. Molecules 2024; 29:2315. [PMID: 38792176 PMCID: PMC11124315 DOI: 10.3390/molecules29102315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Revised: 05/08/2024] [Accepted: 05/09/2024] [Indexed: 05/26/2024] Open
Abstract
Utilizing online gradient pressure liquid extraction (OGPLE) coupled with a high-performance liquid chromatography antioxidant analysis system, we examined the antioxidative active components present in both the aerial parts and roots of dandelion. By optimizing the chromatographic conditions, we identified the ferric reducing-antioxidant power system as the most suitable for online antioxidant reactions in dandelion. Compared to offline ultrasonic extraction, the OGPLE method demonstrated superior efficiency in extracting chemical components with varying polarities from the samples. Liquid chromatography-mass spectrometry revealed twelve compounds within the dandelion samples, with nine demonstrating considerable antioxidant efficacy. Of these, the aerial parts and roots of dandelion contained nine and four antioxidant constituents, respectively. Additionally, molecular docking studies were carried out to investigate the interaction between these nine antioxidants and four proteins associated with oxidative stress (glutathione peroxidase, inducible nitric oxide synthase, superoxide dismutase, and xanthine oxidase). The nine antioxidant compounds displayed notable binding affinities below -5.0 kcal/mol with the selected proteins, suggesting potential receptor-ligand interactions. These findings contribute to enhancing our understanding of dandelion and provide a comprehensive methodology for screening the natural antioxidant components from herbs.
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Affiliation(s)
- Xia Cao
- College of Medical Imaging Laboratory and Rehabilitation, Xiangnan University, Chenzhou 423000, China; (X.C.); (G.L.); (J.X.)
| | - Gaoquan Li
- College of Medical Imaging Laboratory and Rehabilitation, Xiangnan University, Chenzhou 423000, China; (X.C.); (G.L.); (J.X.)
| | - Juying Xie
- College of Medical Imaging Laboratory and Rehabilitation, Xiangnan University, Chenzhou 423000, China; (X.C.); (G.L.); (J.X.)
| | - Mengqi Wu
- Key Laboratory of State Administration of Traditional Chinese Medicine, Dongguan HEC Cordyceps R&D Co., Ltd., Dongguan 523850, China
| | - Wenhao Wang
- Key Laboratory of State Administration of Traditional Chinese Medicine, Dongguan HEC Cordyceps R&D Co., Ltd., Dongguan 523850, China
| | - Li Xiao
- College of Medical Imaging Laboratory and Rehabilitation, Xiangnan University, Chenzhou 423000, China; (X.C.); (G.L.); (J.X.)
| | - Zhengming Qian
- College of Medical Imaging Laboratory and Rehabilitation, Xiangnan University, Chenzhou 423000, China; (X.C.); (G.L.); (J.X.)
- Key Laboratory of State Administration of Traditional Chinese Medicine, Dongguan HEC Cordyceps R&D Co., Ltd., Dongguan 523850, China
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Khan MS, Maha N, Riaz M, Yasmin T, Irfan A, Basra MAR. Computational investigation of pyrazinamide drugs and its transition metal complexes using a DFT approach. J Comput Chem 2024; 45:622-632. [PMID: 38063457 DOI: 10.1002/jcc.27273] [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: 09/09/2023] [Revised: 10/24/2023] [Accepted: 11/20/2023] [Indexed: 03/02/2024]
Abstract
Pyrazinamide, an antituberculosis but documented toxic drug, is subjected to computational investigation along with the metal complexes via a DFT approach to predict the structure-activity and structure-toxicity relationship. 6-31G(d,p) basis set was used for Zn, Ni, Mn, Fe, and Co, while the SDD basis set was applied to Cu, Cr, Cd, and Hg. Several reactivity parameters and charge distribution were calculated and the reactivity profile was estimated. The complexes were found to be soft and polarizable which could be responsible for their binding with bacterial targets to inhibit their growth. In contrast, pyrazinamide which is found to be hard among all is susceptible to being toxic. Moreover, the electronegative nature of the complexes can endow them with a better antibacterial effect. Since metal complexes have been found to be less toxic and more biologically interactive by computational methods, they can be employed as potent drugs for the cure of tuberculosis.
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Affiliation(s)
- Muhammad Sanwal Khan
- Centre for Clinical and Nutritional Chemistry, School of Chemistry, University of The Punjab, Lahore, Pakistan
| | - Nasir Maha
- Centre for Clinical and Nutritional Chemistry, School of Chemistry, University of The Punjab, Lahore, Pakistan
| | - Maira Riaz
- Centre for Clinical and Nutritional Chemistry, School of Chemistry, University of The Punjab, Lahore, Pakistan
| | - Tahira Yasmin
- Centre for Clinical and Nutritional Chemistry, School of Chemistry, University of The Punjab, Lahore, Pakistan
| | - Ahmad Irfan
- Department of Chemistry, College of Science, King Khalid University, Abha, Saudi Arabia
| | - Muhammad Asim Raza Basra
- Centre for Clinical and Nutritional Chemistry, School of Chemistry, University of The Punjab, Lahore, Pakistan
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Gupta SM, Behera A, Jain NK, Tripathi A, Rishipathak D, Singh S, Ahemad N, Erol M, Kumar D. Development of substituted benzylidene derivatives as novel dual cholinesterase inhibitors for Alzheimer's treatment. RSC Adv 2023; 13:26344-26356. [PMID: 37671344 PMCID: PMC10476022 DOI: 10.1039/d3ra03224h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 08/26/2023] [Indexed: 09/07/2023] Open
Abstract
Leading pathological markers of Alzheimer's disease (AD) include Acetylcholinesterase (AChE), Butyrylcholinesterase (BuChE), Amyloid beta (Aβ) and reactive oxygen species (ROS). Indole derivatives were identified and optimized to improve the potency against AChE, BuChE, Aβ and ROS. The lead molecule IND-30 was found to be selective for AChE (selectivity ratio: 22.92) in comparison to BuChE and showed maximum inhibition potential for human AChE (IC50: 4.16 ± 0.063 μM). IND-30 was found to be safe on the SH-SY5Y cell line until the dose of 30 mM. Further, molecule IND-30 was evaluated for its ability to inhibit AChE-induced Aβ aggregation at 0.5, 10 and 20 μM doses. Approximately, 50% of AChE-induced Aβ aggregation was inhibited by IND-30. Thus, IND-30 was found to be multitargeting for AD.
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Affiliation(s)
- Shraddha Manish Gupta
- Faculty of Pharmacy, Oriental University Indore 453555 Madhya Pradesh India
- Department of Pharmaceutical Sciences, School of Health Sciences and Technology, University of Petroleum and Energy Studies (UPES) Dehradun 48007 India
| | - Ashok Behera
- Faculty of Pharmacy, School of Pharmacy and Population Health Informatics, DIT University Makkawala Dehradun Uttarakhand India
| | - Neetesh K Jain
- Faculty of Pharmacy, Oriental University Indore 453555 Madhya Pradesh India
| | - Avanish Tripathi
- Institute of Pharmaceutical Research, GLA University Mathura 281 406 U.P. India
| | - Dinesh Rishipathak
- Department of Pharmaceutical Chemistry, MET's Institute of Pharmacy Nasik Maharashtra India
| | - Siddharth Singh
- Department of Pharmaceutical Sciences, School of Health Sciences and Technology, University of Petroleum and Energy Studies (UPES) Dehradun 48007 India
| | - Nafees Ahemad
- School of Pharmacy, Monash University Jalan Lagoon Selatan, Bandar Sunway Petaling Jaya 47500 Selangor DE Malaysia
| | - Meryem Erol
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Erciyes University Kayseri Turkey
| | - Devendra Kumar
- School of Pharmacy & Technology Management, SVKM's NMIMS (Deemed-to-be) University Mukesh Patel Technology Park Shirpur 425405 India +91 542 368428 +91 9455714362
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Naomi R, Teoh SH, Halim S, Embong H, Hasain Z, Bahari H, Kumar J. Unraveling Obesity: Transgenerational Inheritance, Treatment Side Effects, Flavonoids, Mechanisms, Microbiota, Redox Balance, and Bioavailability-A Narrative Review. Antioxidants (Basel) 2023; 12:1549. [PMID: 37627544 PMCID: PMC10451614 DOI: 10.3390/antiox12081549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 07/02/2023] [Accepted: 07/06/2023] [Indexed: 08/27/2023] Open
Abstract
Obesity is known as a transgenerational vicious cycle and has become a global burden due to its unavoidable complications. Modern approaches to obesity management often involve the use of pharmaceutical drugs and surgeries that have been associated with negative side effects. In contrast, natural antioxidants, such as flavonoids, have emerged as a promising alternative due to their potential health benefits and minimal side effects. Thus, this narrative review explores the potential protective role of flavonoids as a natural antioxidant in managing obesity. To identify recent in vivo studies on the efficiency of flavonoids in managing obesity, a comprehensive search was conducted on Wiley Online Library, Scopus, Nature, and ScienceDirect. The search was limited to the past 10 years; from the search, we identified 31 articles to be further reviewed. Based on the reviewed articles, we concluded that flavonoids offer novel therapeutic strategies for preventing obesity and its associated co-morbidities. This is because the appropriate dosage of flavonoid compounds is able to reduce adipose tissue mass, the formation of intracellular free radicals, enhance endogenous antioxidant defences, modulate the redox balance, and reduce inflammatory signalling pathways. Thus, this review provides an insight into the domain of a natural product therapeutic approach for managing obesity and recapitulates the transgenerational inheritance of obesity, the current available treatments to manage obesity and its side effects, flavonoids and their sources, the molecular mechanism involved, the modulation of gut microbiota in obesity, redox balance, and the bioavailability of flavonoids. In toto, although flavonoids show promising positive outcome in managing obesity, a more comprehensive understanding of the molecular mechanisms responsible for the advantageous impacts of flavonoids-achieved through translation to clinical trials-would provide a novel approach to inculcating flavonoids in managing obesity in the future as this review is limited to animal studies.
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Affiliation(s)
- Ruth Naomi
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang 43400, Malaysia;
| | - Soo Huat Teoh
- Advanced Medical and Dental Institute, Universiti Sains Malaysia, Kepala Batas 13200, Malaysia;
| | - Shariff Halim
- Faculty of Health Sciences, University Technology Mara (UiTM) Pulau Pinang, Bertam Campus, Kepala Batas 13200, Malaysia;
| | - Hashim Embong
- Department of Emergency Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia;
| | - Zubaidah Hasain
- Unit of Physiology, Faculty of Medicine and Defence Health, Universiti Pertahanan Nasional Malaysia, Kuala Lumpur 57000, Malaysia
| | - Hasnah Bahari
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang 43400, Malaysia;
| | - Jaya Kumar
- Department of Physiology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia
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Liu C, Lei Y, Liu Y, Guo J, Chen X, Tang Y, Dang J, Wu M. An Integrated Strategy for Investigating Antioxidants from Ribes himalense Royle ex Decne and Their Potential Target Proteins. Antioxidants (Basel) 2023; 12:antiox12040835. [PMID: 37107210 PMCID: PMC10135234 DOI: 10.3390/antiox12040835] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/15/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023] Open
Abstract
Natural products have been used extensively around the world for many years as therapeutic, prophylactic, and health-promotive agents. Ribes himalense Royle ex Decne, a plant used in traditional Tibetan medicine, has been demonstrated to have significant antioxidant and anti-inflammatory properties. However, the material basis of its medicinal effects has not been sufficiently explored. In this study, we established an integrated strategy by online HPLC-1,1-diphenyl-2-picrylhydrazyl, medium-pressure liquid chromatography, and HPLC to achieve online detection and separation of antioxidants in Ribes himalense extracts. Finally, four antioxidants with quercetin as the parent nucleus were obtained, namely, Quercetin-3-O-β-D-glucopyranoside-7-O-α-L-rhamnopyranoside, Quercetin-3-O-β-D-xylopyranosyl(1-2)-β-D-glucopyranoside, Quercetin-3-O-β-D-glucopyranoside, and Quercetin-3-O-β-D-galactoside. Until now, the four antioxidants in Ribes himalense have not been reported in other literatures. Meanwhile, the free-radical-scavenging ability of them was evaluated by DPPH assay, and potential antioxidant target proteins were explored using molecular docking. In conclusion, this research provides insights into the active compounds in Ribes himalense which will facilitate the advancement of deeper studies on it. Moreover, such an integrated chromatographic strategy could be a strong driver for more efficient and scientific use of other natural products in the food and pharmaceutical industries.
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Affiliation(s)
- Chuang Liu
- Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China
- School of Biotechnology, Jiangnan University, Wuxi 214122, China
| | - Yuqing Lei
- Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China
- School of Biotechnology, Jiangnan University, Wuxi 214122, China
| | - Youyi Liu
- Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China
| | - Jingrou Guo
- Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China
| | - Xingyi Chen
- Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China
| | - Yifei Tang
- Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China
| | - Jun Dang
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810001, China
- Correspondence: (J.D.); (M.W.)
| | - Minchen Wu
- Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China
- Correspondence: (J.D.); (M.W.)
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Kajla M, Roy A, Singh IK, Singh A. Regulation of the regulators: Transcription factors controlling biosynthesis of plant secondary metabolites during biotic stresses and their regulation by miRNAs. FRONTIERS IN PLANT SCIENCE 2023; 14:1126567. [PMID: 36938003 PMCID: PMC10017880 DOI: 10.3389/fpls.2023.1126567] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Accepted: 02/06/2023] [Indexed: 06/18/2023]
Abstract
Biotic stresses threaten to destabilize global food security and cause major losses to crop yield worldwide. In response to pest and pathogen attacks, plants trigger many adaptive cellular, morphological, physiological, and metabolic changes. One of the crucial stress-induced adaptive responses is the synthesis and accumulation of plant secondary metabolites (PSMs). PSMs mitigate the adverse effects of stress by maintaining the normal physiological and metabolic functioning of the plants, thereby providing stress tolerance. This differential production of PSMs is tightly orchestrated by master regulatory elements, Transcription factors (TFs) express differentially or undergo transcriptional and translational modifications during stress conditions and influence the production of PSMs. Amongst others, microRNAs, a class of small, non-coding RNA molecules that regulate gene expression post-transcriptionally, also play a vital role in controlling the expression of many such TFs. The present review summarizes the role of stress-inducible TFs in synthesizing and accumulating secondary metabolites and also highlights how miRNAs fine-tune the differential expression of various stress-responsive transcription factors during biotic stress.
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Affiliation(s)
- Mohini Kajla
- Department of Botany, Hansraj College, University of Delhi, Delhi, India
| | - Amit Roy
- Excellent Team for Mitigation (ETM), Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Prague, Czechia
| | - Indrakant K. Singh
- Department of Zoology, Deshbandhu College, University of Delhi, New Delhi, India
| | - Archana Singh
- Department of Botany, Hansraj College, University of Delhi, Delhi, India
- Jagdish Chandra Bose Center for Plant Genomics, Hansraj College, University of Delhi, Delhi, India
- Delhi School of Climate Change and Sustainability, Institution of Eminence, Maharishi Karnad Bhawan, University of Delhi, Delhi, India
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Identification and in silico analysis of novel antioxidant peptides in broken rice protein hydrolysate and its cytoprotective effect against H2O2-induced 2BS cell model. Food Res Int 2022; 162:112108. [DOI: 10.1016/j.foodres.2022.112108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/20/2022] [Accepted: 10/29/2022] [Indexed: 11/06/2022]
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Siddiqa A, Tajammal A, Irfan A, Azam M, Munawar MA, Hardy R, Basra MAR. Synthesis, molecular docking, bio-evaluation and quantitative structure activity relationship of new chalcone derivatives as antioxidants. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Flavonoids a Bioactive Compound from Medicinal Plants and Its Therapeutic Applications. BIOMED RESEARCH INTERNATIONAL 2022; 2022:5445291. [PMID: 35707379 PMCID: PMC9192232 DOI: 10.1155/2022/5445291] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 05/26/2022] [Indexed: 02/07/2023]
Abstract
Plants generally secrete secondary metabolites in response to stress. These secondary metabolites are very useful for humankind as they possess a wide range of therapeutic activities. Secondary metabolites produced by plants include alkaloids, flavonoids, terpenoids, and steroids. Flavonoids are one of the classes of secondary metabolites of plants found mainly in edible plant parts such as fruits, vegetables, stems, grains, and bark. They are synthesized by the phenylpropanoid pathway. Flavonoids possess antibacterial, antiviral, antioxidant, anti-inflammatory, antimutagenic, and anticarcinogenic properties. Due to their various therapeutic applications, various pharmaceutical companies have exploited different plants for the production of flavonoids. To overcome this situation, various biotechnological strategies have been incorporated to improve the production of different types of flavonoids. In this review, we have highlighted the various types of flavonoids, their biosynthesis, properties, and different strategies to enhance the production of flavonoids.
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Jalezadeh A, Mirjafary Z, Rouhani M, Saeidian H. Investigation of structural, electronic, and antioxidant properties of calycopetrin and xanthomicrol as two polymethoxylated flavones using DFT calculations. Struct Chem 2022. [DOI: 10.1007/s11224-022-01929-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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