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Buchanan D, Pham AM, Singh SK, Panda SS. Molecular Hybridization of Alkaloids Using 1,2,3-Triazole-Based Click Chemistry. Molecules 2023; 28:7593. [PMID: 38005315 PMCID: PMC10674395 DOI: 10.3390/molecules28227593] [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: 09/30/2023] [Revised: 10/30/2023] [Accepted: 11/09/2023] [Indexed: 11/26/2023] Open
Abstract
Alkaloids found in multiple species, known as 'driver species', are more likely to be included in early-stage drug development due to their high biodiversity compared to rare alkaloids. Many synthetic approaches have been employed to hybridize the natural alkaloids in drug development. Click chemistry is a highly efficient and versatile reaction targeting specific areas, making it a valuable tool for creating complex natural products and diverse molecular structures. It has been used to create hybrid alkaloids that address their limitations and serve as potential drugs that mimic natural products. In this review, we highlight the recent advancements made in modifying alkaloids using click chemistry and their potential medicinal applications. We discuss the significance, current trends, and prospects of click chemistry in natural product-based medicine. Furthermore, we have employed computational methods to evaluate the ADMET properties and drug-like qualities of hybrid molecules.
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Affiliation(s)
- Devan Buchanan
- Department of Chemistry and Biochemistry, Augusta University, Augusta, GA 30912, USA; (D.B.); (A.M.P.)
| | - Ashley M. Pham
- Department of Chemistry and Biochemistry, Augusta University, Augusta, GA 30912, USA; (D.B.); (A.M.P.)
| | - Sandeep K. Singh
- Jindal Global Business School, OP Jindal Global University, Sonipat 131001, India;
| | - Siva S. Panda
- Department of Chemistry and Biochemistry, Augusta University, Augusta, GA 30912, USA; (D.B.); (A.M.P.)
- Department Biochemistry and Molecular Biology, Augusta University Augusta, GA 30912, USA
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Wang H, Tian R, Chen Y, Li W, Wei S, Ji Z, Aioub AAA. In vivo and in vitro antifungal activities of five alkaloid compounds isolated from Picrasma quassioides (D. Don) Benn against plant pathogenic fungi. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2022; 188:105246. [PMID: 36464333 DOI: 10.1016/j.pestbp.2022.105246] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 09/13/2022] [Accepted: 09/13/2022] [Indexed: 06/17/2023]
Abstract
Highly active and novel antifungal compounds are continuously researched from natural products for pesticide development. Picrasma quassioides (D. Don) Benn, a species of Simaroubaceae, is used in traditional Chinese medicine to treat colds and upper respiratory infections. In this study, the active ingredients of P. quassioides and their antifungal activities against plant pathogenic fungi are investigated to explore the practical application of the plant in the agricultural field. The results showed that the extracts of P. quassioides exhibited highly significant preventive and curative effects on apple valsa canker (AVC) with a reduction of lesion diameter were 80.28% and 83.63%, respectively, and can improve the resistance of apple trees to a pathogen. Five antifungal compounds, namely, canthin-6-one (T1), nigakinone (T2), 4,5-dimethoxycanthin-6-one (T3), 1-methoxycarbonyl-β-carboline (T4), and 1-methoxycarbonyl-3-methoxyl-β-carboline (T5), are isolated from P. quassioides using the bioassay-guided method. This is the first report of 1-methoxycarbonyl-3-methoxyl-β-carboline as a natural product. Canthin-6-one shows strong in vitro inhibitory activity against 11 species of plant pathogenic fungi, and their EC50 values range from 1.49 to 8.80 mg/L. The control efficacy of canthin-6-one at 2000 mg/L are 87.88% and 94.37% against AVC and 80.10% and 84.73% against apple anthracnose (C. gloeosporioides), respectively. Additionally, V. mali is observed after treatment with cannin-6-one, although microscopic. This is the first study on the control of the secondary metabolites of P. quassioides against plant fungal diseases. The results show that P. quassioides is a potential resource for the development of botanical fungicides.
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Affiliation(s)
- Hua Wang
- College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Runze Tian
- College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Yu Chen
- College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Wenqi Li
- College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Shaopeng Wei
- College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Zhiqin Ji
- College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, PR China; Provincial Key Laboratory for Botanical Pesticide R&D of Shaanxi Province, Yangling 712100, Shaanxi, PR China.
| | - Ahmed A A Aioub
- Plant Protection Department, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt
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Zhang Y, Wang L, Li G, Gao J. Berberine-Albumin Nanoparticles: Preparation, Thermodynamic Study and Evaluation Their Protective Effects Against Oxidative Stress in Primary Neuronal Cells as a Model of Alzheimer's Disease. J Biomed Nanotechnol 2021; 17:1088-1097. [PMID: 34167623 DOI: 10.1166/jbn.2021.2995] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Berberine has shown an outstanding antioxidant activity, however the low bioavailability limits its applications in pharmaceutical platforms. Therefore, in this paper, after fabrication of the berberine-HSA nanoparticles by desolvation method, they were well characterized by TEM, SEM, DLS, and FTIR techniques. Afterwards the interaction of HSA and the berberine was evaluated by molecular docking analysis. Finally, the antioxidant activity of the berberine-HSA nanoparticles against H₂O₂-induced oxidative stress in cultured neurons as a model of AD was evaluated by cellular assays. The results showed that the prepared berberine-HSA nanoparticles have a spherical-shaped morphology with a size of around 100 nm and zeta potential value of -31.84 mV. The solubility value of nanoparticles was calculated to be 40.27%, with a berberine loading of 19.37%, berberine entrapment efficiency of 70.34%, and nanoparticles yield of 88.91%. Also, it was shown that the berberine is not significantly released from HSA nanoparticles within 24 hours. Afterwards, molecular docking investigation revealed that berberine spontaneously interacts with HSA through electrostatic interaction. Finally, cellular assays disclosed that the pretreatment of neuronal cultures with berberine-HSA nanoparticles decreased the H₂O₂-stimulated cytotoxicity and relevant morphological changes and enhanced the CAT activity. In conclusion, it can be indicated that the nanoformulation of the berberine can be used as a promising platform for inhibition of oxidative damage-induced Alzheimer's disease (AD).
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Affiliation(s)
- Yaohui Zhang
- Department of Neurology, Luoyang Central Hospital Affiliated to Zhengzhou University, Luoyang, Henan Province 471009, P. R. China
| | - Lixiang Wang
- Department of Neurology, Laigang Hospital Affiliated to Shandong First Medical University, Jinan 271126, China
| | - Guichen Li
- Department of Clinical Psychology, Qingdao Mental Health Center Clinical Psychology, 266034, China
| | - Jianyuan Gao
- Department of Geriatrics, Xijing Hospital, The Fourth Military Medical University, Xi'an 710032, P. R. China
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Mai NNS, Nakai R, Kawano Y, Hanawa T. Enhancing the Solubility of Curcumin Using a Solid Dispersion System with Hydroxypropyl-β-Cyclodextrin Prepared by Grinding, Freeze-Drying, and Common Solvent Evaporation Methods. PHARMACY 2020; 8:E203. [PMID: 33147710 PMCID: PMC7712988 DOI: 10.3390/pharmacy8040203] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Revised: 10/12/2020] [Accepted: 10/29/2020] [Indexed: 01/21/2023] Open
Abstract
Cyclodextrins (CDs) and their derivatives significantly increase drug solubility by forming drug/CD complexes known as solid dispersions (SDs), which consist of an inclusion complex (IC), where the drug is entrapped within the CD cavity, and a non-IC. Here, the SDs of curcumin (CUR) and hydroxypropyl-β-cyclodextrin (HPβCD) were prepared using the grinding, freeze-drying (FD), and common solvent evaporation (CSE) methods and were physicochemically characterized using solubility, powder X-ray diffraction, Fourier transform infrared, differential scanning calorimetry, and dissolution studies. The second or higher order complex of CUR-HPβCD indicated the co-existence of ICs and non-ICs known as the SD system. When comparing the soluble drug amount with CUR crystals, the solubility of SDs was enhanced by up to 299-, 180-, and 489-fold, corresponding to the ground mixtures (GMs), freeze-drying mixtures (FDs), and common solvent evaporation mixtures (CSEs), respectively. The total transformation into the amorphous phase of CUR was observed in GMs and in CSE12, CSE14, and CSE18. The drug was well dispersed within HPβCD in GMs and CSEs, suggesting the formation of hydrogen bonds between CUR and HPβCD, whereas the dispersed behavior of FDs was similar to that of physical mixtures. In SDs, the melting temperature of CUR was in an increased order of CUR in 1:2 ICs, CUR in 1:1 ICs, and CUR crystals. The dissolution rate of CUR was positively improved as the amount of HPβCD in SDs increased. The SD system consisting of CUR and HPβCD significantly increased the drug solubility compared to ICs.
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Affiliation(s)
| | | | - Yayoi Kawano
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan; (N.N.S.M.); (R.N.)
| | - Takehisa Hanawa
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan; (N.N.S.M.); (R.N.)
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Konan KV, Le TC, Mateescu MA. Antiplasmodial Combined Formulation of Artemisinin with Peschiera fuchsiaefolia Bis-Indole Alkaloids. J Pharm Sci 2020; 110:135-145. [PMID: 32987093 DOI: 10.1016/j.xphs.2020.09.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 08/19/2020] [Accepted: 09/22/2020] [Indexed: 11/28/2022]
Abstract
Antimalarial agents used as monotherapy are increasingly ineffective due to the emergence of Plasmodium resistant strains. Artemisinin (Arte), extracted from Artemisia annua, presents a good efficiency against the Plasmodium strains and is currently used to treat malaria. To avoid the appearance of new resistant strains to artemisinin, the use of Artemisinin-based Combination Therapy (ACT) with another antimalaria agent was recommended by WHO to provide an effective cure and delayed resistance. Although combined formulations of various drugs with Artemisinin have been developed, their release is immediate, and they require multiple doses with side detrimental effects and effectiveness still desired. To improve its efficiency, controlled release formulations were developed to ensure long-term antiplasmodial activity by associating Artemisinin with a natural antimalarial agent extracted from Peschiera fuchsiaefolia (Pf). The Pf extract (containing mostly low soluble alkaloids) was complexed with carboxymethylcellulose to improve its solubility and stability. Two formulation types are reported. As bilayer tablet dosage form, the kinetic release pattern was an immediate release of Artemisinin, followed by a slow sustained release of Pf for 12 h. As monolithic tablet, the release profile shows a simultaneous sustained release of the two active agents, about of 10 h for Arte and 12 h for Pf.
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Affiliation(s)
- Kouadio Victorien Konan
- Department of Chemistry, Research Chair on Enteric Dysfunctions "Allerdys" and CERMO-FC Center, Université du Québec à Montréal, C.P. 8888, Branch A, Montréal, Québec H3C 3P8, Canada
| | - Tien Canh Le
- Department of Chemistry, Research Chair on Enteric Dysfunctions "Allerdys" and CERMO-FC Center, Université du Québec à Montréal, C.P. 8888, Branch A, Montréal, Québec H3C 3P8, Canada
| | - Mircea Alexandru Mateescu
- Department of Chemistry, Research Chair on Enteric Dysfunctions "Allerdys" and CERMO-FC Center, Université du Québec à Montréal, C.P. 8888, Branch A, Montréal, Québec H3C 3P8, Canada.
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Konan KV, Le TC, Mateescu MA. Precompression of dry vegetal bioactive agents to optimize density and compactness: Case of Peschiera fuchsiaefolia powdered materials. POWDER TECHNOL 2019. [DOI: 10.1016/j.powtec.2019.02.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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