1
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Kadyan P, Singh L. Unraveling the mechanistic interplay of mediators orchestrating the neuroprotective potential of harmine. Pharmacol Rep 2024; 76:665-678. [PMID: 38758470 DOI: 10.1007/s43440-024-00602-8] [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: 02/18/2024] [Revised: 04/27/2024] [Accepted: 05/07/2024] [Indexed: 05/18/2024]
Abstract
Neurodegenerative diseases (NDDs) encompass a range of conditions characterized by the specific dysfunction and continual decline of neurons, glial cells, and neural networks within the brain and spinal cord. The majority of NDDs exhibit similar underlying causes, including oxidative stress, neuroinflammation, and malfunctioning of mitochondria. Elevated levels of acetylcholinesterase (AChE) and butyrylcholinesterase (BChE), alongside decreased expression of brain-derived neurotrophic factor (BDNF) and glutamate transporter subtype 1 (GLT-1), constitute significant factors contributing to the pathogenesis of NDDs. Additionally, the dual-specificity tyrosine phosphorylation-regulated kinase 1 A (DYRK1A) gene has emerged as a significant target for the treatment of NDDs at the preclinical level. It significantly contributes to developmental brain defects, early onset neurodegeneration, neuronal loss, and dementia in Down syndrome. Moreover, an impaired ubiquitin-proteosome system (UPS) also plays a pathological role in NDDs. Malfunctioning of UPS leads to abnormal protein buildup or aggregation of α-synuclein. α-Synuclein is a highly soluble unfolded protein that accumulates in Lewy bodies and Lewy neurites in Parkinson's disease and other synucleinopathies. Recent research highlights the promising potential of natural products in combating NDDs relative to conventional therapies. Alkaloids have emerged as promising candidates in the fight against NDDs. Harmine is a tricyclic β-carboline alkaloid (harmala alkaloid) with one indole nucleus and a six-membered pyrrole ring. It is extracted from Banisteria caapi and Peganum harmala L. and exhibits diverse pharmacological properties, encompassing neuroprotective, antioxidant, anti-inflammatory, antidepressant, etc. Harmine has been reported to mediate its neuroprotective via reducing the level of inflammatory mediators, NADPH oxidase, AChE, BChE and reactive oxygen species (ROS). Whereas, it has been observed to increase the levels of BDNF, GLT-1 and anti-oxidant enzymes, along with protein kinase-A (PKA)-mediated UPS activation. This review aims to discuss the mechanistic interplay of various mediators involved in the neuroprotective effect of harmine.
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Affiliation(s)
- Pankaj Kadyan
- University Institute of Pharma Sciences, Chandigarh University, Mohali, Punjab, India
| | - Lovedeep Singh
- University Institute of Pharma Sciences, Chandigarh University, Mohali, Punjab, India.
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2
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Dhakshinamoorthy V, Vishali SPR, Elumalai S, Perumal E. Acute exposure to environmentally relevant concentrations of pharmaceutical pollutants induces neurobehavioral toxicity in zebrafish ( Danio rerio). Drug Chem Toxicol 2024:1-14. [PMID: 39072487 DOI: 10.1080/01480545.2024.2382451] [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: 05/31/2024] [Revised: 07/09/2024] [Accepted: 07/15/2024] [Indexed: 07/30/2024]
Abstract
Pharmaceutical waste from point and non-point sources enters, persists, or disseminates in the environment and is known as environmentally persistent pharmaceutical pollutants. Understanding the impacts of pharmaceutical pollutants on the environment and health is essential. This study investigates the behavioral impacts of pharmaceutical pollutants on aquatic organisms and delineates the possible nexus of oxidative stress. The male zebrafish were exposed to four major representative pharmaceutical pollutants, viz., acetaminophen, carbamazepine, metformin, and trimethoprim at environmentally relevant concentrations individually as well as in a mixture for seven days. Substantial alterations in social interaction, aggressive nature, novel tank exploration, and light and dark zone preferences were recorded and the degree varied to different pharmaceutical pollutants. The activity of oxidative stress markers, superoxide dismutase, glutathione-S-transferase, and catalase, was found to be suppressed to 66-20%, 42-25%, and 59-20% respectively with the elevated malondialdehyde generation (180-260%) compared to control. The activity level of acetylcholine esterase was found to be increased to 200-500% across all treatment groups. Despite the synergistic impacts of pharmaceutical pollutants on the whole system that could not be ascertained, this comprehensive study highlights their toxicity nature to induce neurobehavioral toxicity in zebrafish through oxidative stress mechanisms and altered cholinergic systems.
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Affiliation(s)
- Vasanth Dhakshinamoorthy
- Department of Nanobiotechnology, Molecular Environmental Toxicology Laboratory, PSG Institute of Advanced Studies, Coimbatore, India
- PG Research Department of Biotechnology, Microbiology & Bioinformatics, National College (Autonomous), Trichy, India
| | - S P R Vishali
- PG Research Department of Biotechnology, Microbiology & Bioinformatics, National College (Autonomous), Trichy, India
| | - Sriramakrishnan Elumalai
- PG Research Department of Biotechnology, Microbiology & Bioinformatics, National College (Autonomous), Trichy, India
| | - Ekambaram Perumal
- Department of Biotechnology, Molecular Toxicology Laboratory, Bharathiar University, Coimbatore, India
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3
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Pastene-Burgos S, Muñoz-Nuñez E, Quiroz-Carreño S, Pastene-Navarrete E, Espinoza Catalan L, Bustamante L, Alarcón-Enos J. Ceanothanes Derivatives as Peripheric Anionic Site and Catalytic Active Site Inhibitors of Acetylcholinesterase: Insights for Future Drug Design. Int J Mol Sci 2024; 25:7303. [PMID: 39000410 PMCID: PMC11242892 DOI: 10.3390/ijms25137303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Revised: 06/19/2024] [Accepted: 06/24/2024] [Indexed: 07/16/2024] Open
Abstract
Alzheimer's disease (AD) is a multifactorial and fatal neurodegenerative disorder. Acetylcholinesterase (AChE) plays a key role in the regulation of the cholinergic system and particularly in the formation of amyloid plaques; therefore, the inhibition of AChE has become one of the most promising strategies for the treatment of AD, particularly concerning AChE inhibitors that interact with the peripheral anionic site (PAS). Ceanothic acid isolated from the Chilean Rhamnaceae plants is an inhibitor of AChE through its interaction with PAS. In this study, six ceanothic acid derivatives were prepared, and all showed inhibitory activity against AChE. The structural modifications were performed starting from ceanothic acid by application of simple synthetic routes: esterification, reduction, and oxidation. AChE activity was determined by the Ellmann method for all compounds. Kinetic studies indicated that its inhibition was competitive and reversible. According to the molecular coupling and displacement studies of the propidium iodide test, the inhibitory effect of compounds would be produced by interaction with the PAS of AChE. In silico predictions of physicochemical properties, pharmacokinetics, drug-likeness, and medicinal chemistry friendliness of the ceanothane derivatives were performed using the Swiss ADME tool.
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Affiliation(s)
- Sofía Pastene-Burgos
- Grupo de Investigación Química y Biotecnología de Productos Naturales Bioactivos, Laboratorio de Síntesis y Biotransformación de Productos Naturales, Departamento de Ciencias Básicas, Facultad de Ciencias, Universidad del Bío-Bío, Chillán 3800708, Chile; (S.P.-B.); (E.M.-N.); (S.Q.-C.); (E.P.-N.)
| | - Evelyn Muñoz-Nuñez
- Grupo de Investigación Química y Biotecnología de Productos Naturales Bioactivos, Laboratorio de Síntesis y Biotransformación de Productos Naturales, Departamento de Ciencias Básicas, Facultad de Ciencias, Universidad del Bío-Bío, Chillán 3800708, Chile; (S.P.-B.); (E.M.-N.); (S.Q.-C.); (E.P.-N.)
| | - Soledad Quiroz-Carreño
- Grupo de Investigación Química y Biotecnología de Productos Naturales Bioactivos, Laboratorio de Síntesis y Biotransformación de Productos Naturales, Departamento de Ciencias Básicas, Facultad de Ciencias, Universidad del Bío-Bío, Chillán 3800708, Chile; (S.P.-B.); (E.M.-N.); (S.Q.-C.); (E.P.-N.)
| | - Edgar Pastene-Navarrete
- Grupo de Investigación Química y Biotecnología de Productos Naturales Bioactivos, Laboratorio de Síntesis y Biotransformación de Productos Naturales, Departamento de Ciencias Básicas, Facultad de Ciencias, Universidad del Bío-Bío, Chillán 3800708, Chile; (S.P.-B.); (E.M.-N.); (S.Q.-C.); (E.P.-N.)
| | - Luis Espinoza Catalan
- Departamento de Química, Universidad Federico Santa María, Valparaíso 2340000, Chile;
| | - Luis Bustamante
- Departamento Análisis Instrumental, Facultad de Farmacia, Universidad de Concepción, Concepción 4030000, Chile;
| | - Julio Alarcón-Enos
- Grupo de Investigación Química y Biotecnología de Productos Naturales Bioactivos, Laboratorio de Síntesis y Biotransformación de Productos Naturales, Departamento de Ciencias Básicas, Facultad de Ciencias, Universidad del Bío-Bío, Chillán 3800708, Chile; (S.P.-B.); (E.M.-N.); (S.Q.-C.); (E.P.-N.)
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4
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Satarker S, Gurram PC, Nassar A, Manandhar S, Vibhavari R, Yarlagadda DL, Mudgal J, Lewis S, Arora D, Nampoothiri M. Evaluating the Role of N-Acetyl-L-Tryptophan in the Aβ 1-42-Induced Neuroinflammation and Cognitive Decline in Alzheimer's Disease. Mol Neurobiol 2024; 61:4421-4440. [PMID: 38091207 PMCID: PMC11236887 DOI: 10.1007/s12035-023-03844-4] [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: 09/27/2023] [Accepted: 11/29/2023] [Indexed: 07/11/2024]
Abstract
Alzheimer's disease (AD), a neurodegenerative condition previously known to affect the older population, is also now seen in younger individuals. AD is often associated with cognitive decline and neuroinflammation elevation primarily due to amyloid β (Aβ) accumulation. Multiple pathological complications in AD call for therapies with a wide range of neuroprotection. Our study aims to evaluate the effect of N-acetyl-L-tryptophan (NAT) in ameliorating the cognitive decline and neuroinflammation induced by Aβ 1-42 oligomers and to determine the therapeutic concentration of NAT in the brain. We administered Aβ 1-42 oligomers in rats via intracerebroventricular (i.c.v.) injection to induce AD-like conditions. The NAT-treated animals lowered the cognitive decline in the Morris water maze characterized by shorter escape latency and increased path efficiency and platform entries. Interestingly, the hippocampus and frontal cortex showed downregulation of tumor necrosis factor, interleukin-6, and substance P levels. NAT treatment also reduced acetylcholinesterase activity and total and phosphorylated nuclear factor kappa B and Tau levels. Lastly, we observed upregulation of cAMP response element-binding protein 1 (CREB1) signaling. Surprisingly, our HPLC method was not sensitive enough to detect the therapeutic levels of NAT in the brain, possibly due to NAT concentrations being below the lowest limit of quantification of our validated method. To summarize, the administration of NAT significantly lowered cognitive decline, neuroinflammatory pathways, and Tau protein and triggered the upregulation of CREB1 signaling, suggesting its neuroprotective role in AD-like conditions.
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Affiliation(s)
- Sairaj Satarker
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Prasada Chowdari Gurram
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Ajmal Nassar
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Suman Manandhar
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Rja Vibhavari
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Dani Lakshman Yarlagadda
- Department of Pharmaceutical Quality Assurance, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Jayesh Mudgal
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Shaila Lewis
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Devinder Arora
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
- School of Pharmacy and Medical Sciences, Griffith University, QLD, Gold Coast, 4222, Australia
| | - Madhavan Nampoothiri
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India.
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5
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Fatima M, Siddiqui WA, Choudhary MI, Ashraf A, Niaz S, Raza MA, Alam SM, Ashfaq M, Tahir MN, Dahlous KA. Synthesis of dimeric 1,2-benzothiazine 1,1-dioxide scaffolds: molecular structures, Hirshfeld surface analysis, DFT and enzyme inhibition studies. RSC Adv 2024; 14:16935-16944. [PMID: 38808235 PMCID: PMC11130764 DOI: 10.1039/d4ra02009j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Accepted: 05/20/2024] [Indexed: 05/30/2024] Open
Abstract
1,2-Benzothiazines are bioactive compounds with diverse pharmacological properties. We report here the synthesis of a series of dimers containing 1,2-benzothiazine scaffolds as potential pharmacophores. The characterization of compounds was done using analytical techniques such as FT-IR, 1H NMR, and elemental analyses. The molecular structures of the compounds (5-8) were confirmed by X-ray crystallography. The molecular interactions in compounds (5-8) were determined by Hirshfeld Surface Analysis (HSA). Density functional theory (DFT) investigations were carried out to calculate vibrational properties, NMR behaviour, dipole moments, molecular electrostatic potential (MEP), frontier molecular orbital (FMO), natural bonding orbital (NBO) analysis and global reactivity descriptors. The global reactivity descriptors indicated the charge transfer reactions and stabilized as follows: 8 > 7 > 6 > 5. In FMO analysis a substantial HOMO-LUMO gap, ranging from 4.43 to 5.12 eV, with high LUMO values was observed for all compounds, while the highest value for linear polarizability was found in compound 8. The in vitro and in silico studies confirm that compound 8 is more active toward AChE and BChE enzymes.
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Affiliation(s)
- Muqudis Fatima
- Institute of Chemistry, University of Sargodha Sargodha 40100 Pakistan
| | | | - Muhammad Iqbal Choudhary
- International Center for Chemical and Biological Sciences, H. E. J Research Institute of Chemistry, University of Karachi Karachi Pakistan
| | - Adnan Ashraf
- Department of Chemistry, The University of Lahore Lahore Pakistan
| | - Shanawer Niaz
- Department of Physics, Thal University Bhakkar Bhakkar 30000 Pakistan
| | | | - Seikh Mafiz Alam
- Department of Chemistry, Aliah University New Town Kolkata 700 156 India
| | - Muhammad Ashfaq
- Department of Physics, University of Sargodha Sargodha-40100 Pakistan
| | | | - Kholood Ahmed Dahlous
- Department of Chemistry, College of Science, King Saud University P. O. Box 2455 Riyadh 11451 Saudi Arabia
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6
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Zaafar D, Elghazawy NH, Hassan A, Mahmoud MY, Bakr AF, Arafa RK. Unleashing new MTDL AChE and BuChE inhibitors as potential anti-AD therapeutic agents: In vitro, in vivo and in silico studies. Int J Biol Macromol 2024; 268:131740. [PMID: 38653428 DOI: 10.1016/j.ijbiomac.2024.131740] [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: 02/05/2024] [Revised: 03/31/2024] [Accepted: 04/19/2024] [Indexed: 04/25/2024]
Abstract
Alzheimer's disease (AD) is challenging due to its irreversible declining cognitive symptoms and multifactorial nature. This work tackles targeting both acetylcholinesterase (AChE) and BuChE with a multitarget-directed ligand (MTDL) through design, synthesis, and biological and in silico evaluation of a series of twenty eight new 5-substituted-2-anilino-1,3,4-oxadiazole derivatives 4a-g, 5a-g, 9a-g and 13a-g dual inhibitors of the target biomolecules. In vitro cholinesterases inhibition and selectivity assay of the synthesized derivatives showed excellent nanomolar level inhibitory activities. Compound 5a, the most potent inhibitor, elicited IC50s of 46.9 and 3.5 nM against AChE and BuChE, respectively (SI = 0.07), 5 folds better than the known dual inhibitor Rivastagmine. In vivo and ex vivo investigation showed that 5a significantly inhibited MDA levels and increased GSH contents, thus, attenuating the brain tissue oxidative stress. Additionally, 5a significantly decreased AChE and BuChE levels and inhibited self-mediated β-amyloid aggregation in brains of treated rats. Histopathological and immunohistochemical evaluation demonstrated lessened damage and decreased caspase-3 and VEGF expression levels. In silico prediction of 5a's pharmacokinetics and toxicity profiles reflected promising results. Finally, 5a demonstrated tight binding interactions with the two target biomolecules upon docking along with stable complex formation with its bio-targets throughout the 100 ns MD trajectories.
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Affiliation(s)
- Dalia Zaafar
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Modern University for Technology and Information, Cairo 12974, Egypt.
| | - Nehal H Elghazawy
- Drug Design and Discovery Lab, Zewail City of Science and Technology, Cairo 12578, Egypt
| | - Afnan Hassan
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Modern University for Technology and Information, Cairo 12974, Egypt; Biomedical Sciences Program, University of Science and Technology, Zewail City of Science and Technology, Cairo 12578, Egypt.
| | - Mohamed Y Mahmoud
- Department of Toxicology and Forensic Medicine, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt.
| | - Alaa F Bakr
- Department of Pathology, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
| | - Reem K Arafa
- Drug Design and Discovery Lab, Zewail City of Science and Technology, Cairo 12578, Egypt; Biomedical Sciences Program, University of Science and Technology, Zewail City of Science and Technology, Cairo 12578, Egypt.
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7
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Yu N, Pasha M, Chua JJE. Redox changes and cellular senescence in Alzheimer's disease. Redox Biol 2024; 70:103048. [PMID: 38277964 PMCID: PMC10840360 DOI: 10.1016/j.redox.2024.103048] [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: 11/20/2023] [Revised: 01/08/2024] [Accepted: 01/16/2024] [Indexed: 01/28/2024] Open
Abstract
The redox process and cellular senescence are involved in a range of essential physiological functions. However, they are also implicated in pathological processes underlying age-related neurodegenerative disorders, including Alzheimer's disease (AD). Elevated levels of reactive oxygen species (ROS) are generated as a result of abnormal accumulation of beta-amyloid peptide (Aβ), tau protein, and heme dyshomeostasis and is further aggravated by mitochondria dysfunction and endoplasmic reticulum (ER) stress. Excessive ROS damages vital cellular components such as proteins, DNA and lipids. Such damage eventually leads to impaired neuronal function and cell death. Heightened oxidative stress can also induce cellular senescence via activation of the senescence-associated secretory phenotype to further exacerbate inflammation and tissue dysfunction. In this review, we focus on how changes in the redox system and cellular senescence contribute to AD and how they are affected by perturbations in heme metabolism and mitochondrial function. While potential therapeutic strategies targeting such changes have received some attention, more research is necessary to bring them into clinical application.
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Affiliation(s)
- Nicole Yu
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; LSI Neurobiology Programme, National University of Singapore, Singapore; Healthy Longevity Translational Research Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Mazhar Pasha
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; LSI Neurobiology Programme, National University of Singapore, Singapore; Healthy Longevity Translational Research Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - John Jia En Chua
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; LSI Neurobiology Programme, National University of Singapore, Singapore; Healthy Longevity Translational Research Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), Singapore.
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8
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Khaled M, Ouache R, Pale P, Harkat H. Phytochemical Profiles and Biological Activities of Frankenia Species: A Review. Molecules 2024; 29:980. [PMID: 38474492 DOI: 10.3390/molecules29050980] [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: 01/11/2024] [Revised: 02/12/2024] [Accepted: 02/16/2024] [Indexed: 03/14/2024] Open
Abstract
The relatively small Frankeniaceae family is represented by halophyte plants, growing in arid and semi-arid climates in saline, alkaline or calcareous soils. Due to their living conditions, they usually produce a large diversity of compounds, which often exhibit bioactivities. Some species of this genus have long been used as traditional herbal medicines to treat dysentery, diarrhea, gonorrhea, vaginal leucorrhea, respiratory diseases and wounds. To date, several studies on either phytochemical or pharmacological aspects, or both, have revealed that this genus is a rich source of diverse and novel bioactive chemicals, including phenolics, flavonoids, alkaloids and fatty acids. This review describes all the reported chemical profiles of Frankenia species, as well as the corresponding biological properties, when available. The aim of this review is to show the potential of these plants for various applications, especially therapeutic ones.
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Affiliation(s)
- Meyada Khaled
- Department of Pharmacy, Faculty of Medicine, Batna 2 University, Batna 05000, Algeria
| | - Rachid Ouache
- Laboratory of Physio-Toxicology, Cellular and Molecular Pathology-Biomolecules (LPTPCMB), Batna 2 University, Batna 05000, Algeria
| | - Patrick Pale
- Laboratory of Organic Synthesis & Catalysis, Institute of Chemistry (UMR-CNRS 7177), University of Strasbourg, 67000 Strasbourg, France
| | - Hassina Harkat
- Department of Pharmacy, Faculty of Medicine, Batna 2 University, Batna 05000, Algeria
- Laboratory of Physio-Toxicology, Cellular and Molecular Pathology-Biomolecules (LPTPCMB), Batna 2 University, Batna 05000, Algeria
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9
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Kamboj S, Sharma P, Kamboj R, Kamboj S, Hariom, Girija, Guarve K, Dutt R, Verma I, Dua K, Rani N. Exploring the Therapeutic Potential of Phytoconstituents for Addressing Neurodegenerative Disorders. Cent Nerv Syst Agents Med Chem 2024; 24:129-144. [PMID: 38265386 DOI: 10.2174/0118715249273015231225091339] [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: 07/19/2023] [Revised: 10/03/2023] [Accepted: 11/20/2023] [Indexed: 01/25/2024]
Abstract
Neurodegenerative disorder is a serious condition that is caused by abnormal or no neurological function. Neurodegenerative disease is a major growing cause of mortality and morbidity worldwide, especially in the elderly. After World War Ⅱ, eugenics term was exterminated from medicines. Neurodegenerative disease is a genetically inherited disease. Lifestyle changes, environmental factors, and genetic modification, together or alone, are involved in the occurrence of this disorder. The major examples of neurodegenerative disorders are Alzheimer's and Parkinson's disease, in which apoptosis and necrosis are the two major death pathways for neurons. It has been determined from various studies that the etiology of the neurodegenerative disease involves the role of oxidative stress and anti-oxidant defence system, which are prime factors associated with the activation of signal transduction pathway that is responsible for the formation of synuclein in the brain and manifestation of toxic reactions in the form of functional abnormality, which ultimately leads to the dysfunction of neuronal pathway or cell. There has not been much success in the discovery of effective therapy to treat neurodegenerative diseases because the main cause of abnormal functioning or death of neurons is not well known. However, the use of natural products that are derived from plants has effective therapeutic potential against neurodegenerative disease. The natural compounds with medicinal properties to prevent neurological dysfunction are curcumin, wolfberry, ginseng, and Withania somnifera. The selection and use of natural compounds are based on their strong anti-inflammatory and anti-oxidant properties against neurodegenerative disease. Herbal products have active constituents that play an important role in the prevention of communication errors between neurons and neurotransmitters and their respective receptors in the brain, which influence their function. Considering this, natural products have great potential against neurodegenerative diseases. This article reviews the natural compounds used to treat neurodegenerative diseases and their mechanisms of action.
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Affiliation(s)
- Sweta Kamboj
- Guru Gobind Singh College of Pharmacy, Yamuna Nagar, India
| | - Prerna Sharma
- Guru Gobind Singh College of Pharmacy, Yamuna Nagar, India
| | - Rohit Kamboj
- Guru Gobind Singh College of Pharmacy, Yamuna Nagar, India
| | - Shikha Kamboj
- Guru Gobind Singh College of Pharmacy, Yamuna Nagar, India
| | - Hariom
- Guru Gobind Singh College of Pharmacy, Yamuna Nagar, India
| | - Girija
- Guru Gobind Singh College of Pharmacy, Yamuna Nagar, India
| | - Kumar Guarve
- Guru Gobind Singh College of Pharmacy, Yamuna Nagar, India
| | - Rohit Dutt
- Gandhi Memorial National College, Ambala, India
| | - Inderjeet Verma
- MM College of Pharmacy, MM (Deemed to be University), Mullana, Ambala, India
| | - Kamal Dua
- Discipline of Pharmacy Graduate of Technology, Sydney, Australia
| | - Nidhi Rani
- Chitkara College of Pharmacy, Chitkara University, Chandigarh, Punjab, India
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10
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Al-Rifai NM, Al-Khalileh NM, Zahra JA, El-Barghouthi MI, Darras FH. Synthesis, biological evaluation, and computational studies of N-benzyl pyridinium-curcumin derivatives as potent AChE inhibitors with antioxidant activity. J Enzyme Inhib Med Chem 2023; 38:2281264. [PMID: 37985494 PMCID: PMC11003481 DOI: 10.1080/14756366.2023.2281264] [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: 09/07/2023] [Accepted: 11/05/2023] [Indexed: 11/22/2023] Open
Abstract
A library of N-benzylpyridinium-based compounds, 7a-j and 8a-j, was designed and synthesised as potential acetylcholinesterase) AChE (inhibitors. An in vitro assay for the synthesised compounds showed that most compounds had significant AChE inhibitory activities at the nanomolar and submicromolar levels. The benzyl (8a) and fluoro (8b) derivatives were the most active, with IC50 values ≤56 nM. Compound 7f, which had a benzyl moiety, showed the highest potency among all the target compounds, with an IC50 value of 7.5 ± 0.19 nM against AChE, which was higher than that of the activities of tacrine (IC50 = 30 ± 0.2 nM) and donepezil (IC50 = 14 ± 0.12 nM). Compounds with vanillin moieties exhibited antioxidant activity. Among the tested compounds, four derivatives (7f, 7 g, 8f, and 8 g) exhibited superior AChE inhibitory activity, with Ki values of 6-16 nM, which were potent in the same range as the approved drug, donepezil. These compounds showed moderate antioxidant activities, as indicated by the results of the ABTS assay.
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Affiliation(s)
- Nafisah M. Al-Rifai
- Pharmaceutical-Chemical Engineering Department, School of Medical Sciences, German Jordanian University, P.O. Box 35247, Amman11180, Jordan
| | | | - Jalal A. Zahra
- Chemistry Department, The University of Jordan, Amman, Jordan
| | - Musa I. El-Barghouthi
- Department of Chemistry, Faculty of Science, The Hashemite University, Zarqa13133, Jordan
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Ibrahim RM, Abdel-Baki PM, Elmasry GF, El-Rashedy AA, Mahdy NE. Combinative effects of akarkara root-derived metabolites on anti-inflammatory and anti-alzheimer key enzymes: integrating bioassay-guided fractionation, GC-MS analysis, and in silico studies. BMC Complement Med Ther 2023; 23:413. [PMID: 37978514 PMCID: PMC10655324 DOI: 10.1186/s12906-023-04210-6] [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: 07/18/2023] [Accepted: 10/09/2023] [Indexed: 11/19/2023] Open
Abstract
BACKGROUND Anacyclus pyrethrum L. (Akarkara root), a valuable Ayurvedic remedy, is reported to exhibit various pharmacological activities. Akarkara root was subjected to bioassay-guided fractionation, to isolate its active constituents and discover their potential bioactivities, followed by computational analysis. METHODS The methanol extract and its fractions, methylene chloride, and butanol, were assessed for their antioxidant, anti-inflammatory, and anticholinergic potentials. The antioxidant activity was determined using DPPH, ABTS, FRAP, and ORAC assays. The in vitro anticholinergic effect was evaluated via acetyl- and butyryl-cholinesterase inhibition, while anti-inflammatory effect weas determined using COX-2 and 5-LOX inhibitory assays. The methylene chloride fraction was subjected to GC/MS analysis and chromatographic fractionation to isolate its major compounds. The inhibitory effect on iNOS and various inflammatory mediators in LPS-activated RAW 264.7 macrophages was investigated. In silico computational analyses (molecular docking, ADME, BBB permeability prediction, and molecular dynamics) were performed. RESULTS Forty-one compounds were identified and quantified and the major compounds, namely, oleamide (A1), stigmasterol (A2), 2E,4E-deca-2,4-dienoic acid 2-phenylethyl amide (A3), and pellitorine (A4) were isolated from the methylene chloride fraction, the most active in all assays. All compounds showed significant in vitro antioxidant, anticholinergic and anti-inflammatory effects. They inhibited the secretion of pro-inflammatory cytokines (TNF-α, IL-1β, and IL-6) in activated RAW macrophages. The isolated compounds showed good fitting in the active sites of acetylcholinesterase and COX-2 with high docking scores. The ADME study revealed proper pharmacokinetics and drug likeness properties for the isolated compounds. The isolated compounds demonstrated high ability to cross the BBB and penetrate the CNS with values ranging from 1.596 to -1.651 in comparison with Donepezil (-1.464). Molecular dynamics simulation revealed stable conformations and binding patterns of the isolated compounds with the active sites of COX-2 and acetyl cholinesterase. CONCLUSIONS Ultimately, our results specify Akarkara compounds as promising candidates for the treatment of inflammatory and neurodegenerative diseases.
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Affiliation(s)
- Rana M Ibrahim
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Kasr El-Ainy Street, Cairo, 11562, Egypt
| | - Passent M Abdel-Baki
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Kasr El-Ainy Street, Cairo, 11562, Egypt.
| | - Ghada F Elmasry
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo, 11562, Egypt.
| | - Ahmed A El-Rashedy
- Natural and Microbial Products Department, National Research Center (NRC), Dokki, Giza, 12622, Egypt
| | - Nariman E Mahdy
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Kasr El-Ainy Street, Cairo, 11562, Egypt
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12
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Park S, Kim M, Lin Y, Hong M, Nam G, Mieczkowski A, Kardos J, Lee YH, Lim MH. Designing multi-target-directed flavonoids: a strategic approach to Alzheimer's disease. Chem Sci 2023; 14:9293-9305. [PMID: 37712013 PMCID: PMC10498667 DOI: 10.1039/d3sc00752a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 08/02/2023] [Indexed: 09/16/2023] Open
Abstract
The underlying causes of Alzheimer's disease (AD) remain a mystery, with multiple pathological components, including oxidative stress, acetylcholinesterase, amyloid-β, and metal ions, all playing a role. Here we report a strategic approach to designing flavonoids that can effectively tackle multiple pathological elements involved in AD. Our systematic investigations revealed key structural features for flavonoids to simultaneously target and regulate pathogenic targets. Our findings led to the development of a highly promising flavonoid that exhibits a range of functions, based on a complete structure-activity relationship analysis. Furthermore, our mechanistic studies confirmed that this flavonoid's versatile reactivities are driven by its redox potential and direct interactions with pathogenic factors. This work highlights the potential of multi-target-directed flavonoids as a novel solution in the fight against AD.
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Affiliation(s)
- Seongmin Park
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Republic of Korea
| | - Mingeun Kim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Republic of Korea
| | - Yuxi Lin
- Research Center for Bioconvergence Analysis, Korea Basic Science Institute (KBSI) Ochang Chungbuk 28119 Republic of Korea
| | - Mannkyu Hong
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Republic of Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS) Daejeon 34141 Republic of Korea
| | - Geewoo Nam
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Republic of Korea
| | - Adam Mieczkowski
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences Pawińskiego 5a 02-106 Warsaw Poland
| | - József Kardos
- ELTE NAP Neuroimmunology Research Group, Department of Biochemistry, Institute of Biology, ELTE Eötvös Loránd University Budapest 1117 Hungary
| | - Young-Ho Lee
- Research Center for Bioconvergence Analysis, Korea Basic Science Institute (KBSI) Ochang Chungbuk 28119 Republic of Korea
- Bio-Analytical Science, University of Science and Technology (UST) Daejeon 34113 Republic of Korea
- Graduate School of Analytical Science and Technology, Chungnam National University Daejeon 34134 Republic of Korea
- Department of Systems Biotechnology, Chung-Ang University (CAU) Gyeonggi 17546 Republic of Korea
- Frontier Research Institute for Interdisciplinary Sciences (FRIS), Tohoku University Sendai Miyagi 980-8578 Japan
| | - Mi Hee Lim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Republic of Korea
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13
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Angelova VT, Georgiev B, Pencheva T, Pajeva I, Rangelov M, Todorova N, Zheleva-Dimitrova D, Kalcheva-Yovkova E, Valkova IV, Vassilev N, Mihaylova R, Stefanova D, Petrov B, Voynikov Y, Tzankova V. Design, Synthesis, In Silico Studies and In Vitro Evaluation of New Indole- and/or Donepezil-like Hybrids as Multitarget-Directed Agents for Alzheimer's Disease. Pharmaceuticals (Basel) 2023; 16:1194. [PMID: 37765003 PMCID: PMC10534827 DOI: 10.3390/ph16091194] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 08/13/2023] [Accepted: 08/17/2023] [Indexed: 09/29/2023] Open
Abstract
Alzheimer's disease (AD) is considered a complex neurodegenerative condition which warrants the development of multitargeted drugs to tackle the key pathogenetic mechanisms of the disease. In this study, two novel series of melatonin- and donepezil-based hybrid molecules with hydrazone (3a-r) or sulfonyl hydrazone (5a-l) fragments were designed, synthesized, and evaluated as multifunctional ligands against AD-related neurodegenerative mechanisms. Two lead compounds (3c and 3d) exhibited a well-balanced multifunctional profile, demonstrating intriguing acetylcholinesterase (AChE) inhibition, promising antioxidant activity assessed by DPPH, ABTS, and FRAP methods, as well as the inhibition of lipid peroxidation in the linoleic acid system. Compound 3n, possessing two indole scaffolds, showed the highest activity against butyrylcholinesterase (BChE) and a high selectivity index (SI = 47.34), as well as a pronounced protective effect in H2O2-induced oxidative stress in SH-SY5Y cells. Moreover, compounds 3c, 3d, and 3n showed low neurotoxicity against malignant neuroblastoma cell lines of human (SH-SY5Y) and murine (Neuro-2a) origin, as well as normal murine fibroblast cells (CCL-1) that indicate the in vitro biocompatibility of the experimental compounds. Furthermore, compounds 3c, 3d, and 3n were capable of penetrating the blood-brain barrier (BBB) in the experimental PAMPA-BBB study. The molecular docking showed that compound 3c could act as a ligand to both MT1 and MT2 receptors, as well as to AchE and BchE enzymes. Taken together, those results outline compounds 3c, 3d, and 3n as promising prototypes in the search of innovative compounds for the treatment of AD-associated neurodegeneration with oxidative stress. This study demonstrates that hydrazone derivatives with melatonin and donepezil are appropriate for further development of new AChE/BChE inhibitory agents.
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Affiliation(s)
- Violina T. Angelova
- Department of Chemistry, Faculty of Pharmacy, Medical University of Sofia, 1000 Sofia, Bulgaria; (I.V.V.); (Y.V.)
| | - Borislav Georgiev
- Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (B.G.); (N.T.)
| | - Tania Pencheva
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (T.P.); (I.P.)
| | - Ilza Pajeva
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (T.P.); (I.P.)
| | - Miroslav Rangelov
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (M.R.); (N.V.)
| | - Nadezhda Todorova
- Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (B.G.); (N.T.)
| | | | - Elena Kalcheva-Yovkova
- Faculty of Computer Systems and Techologies, Technical University–Sofia, 1000 Sofia, Bulgaria;
| | - Iva V. Valkova
- Department of Chemistry, Faculty of Pharmacy, Medical University of Sofia, 1000 Sofia, Bulgaria; (I.V.V.); (Y.V.)
| | - Nikolay Vassilev
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (M.R.); (N.V.)
| | - Rositsa Mihaylova
- Department of Pharmacology, Pharmacotherapy and Toxicology, Faculty of Pharmacy, Medical University of Sofia, 1000 Sofia, Bulgaria; (R.M.); (D.S.); (B.P.); (V.T.)
| | - Denitsa Stefanova
- Department of Pharmacology, Pharmacotherapy and Toxicology, Faculty of Pharmacy, Medical University of Sofia, 1000 Sofia, Bulgaria; (R.M.); (D.S.); (B.P.); (V.T.)
| | - Boris Petrov
- Department of Pharmacology, Pharmacotherapy and Toxicology, Faculty of Pharmacy, Medical University of Sofia, 1000 Sofia, Bulgaria; (R.M.); (D.S.); (B.P.); (V.T.)
| | - Yulian Voynikov
- Department of Chemistry, Faculty of Pharmacy, Medical University of Sofia, 1000 Sofia, Bulgaria; (I.V.V.); (Y.V.)
| | - Virginia Tzankova
- Department of Pharmacology, Pharmacotherapy and Toxicology, Faculty of Pharmacy, Medical University of Sofia, 1000 Sofia, Bulgaria; (R.M.); (D.S.); (B.P.); (V.T.)
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14
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Abolhasani F, Pourshojaei Y, Mohammadi F, Esmaeilpour K, Asadipour A, Ilaghi M, Shabani M. Exploring the potential of a novel phenoxyethyl piperidine derivative with cholinesterase inhibitory properties as a treatment for dementia: Insights from STZ animal model of dementia. Neurosci Lett 2023; 810:137332. [PMID: 37302565 DOI: 10.1016/j.neulet.2023.137332] [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: 04/10/2023] [Revised: 05/22/2023] [Accepted: 06/06/2023] [Indexed: 06/13/2023]
Abstract
Alzheimer's disease (AD) is a neurodegenerative disease, often characterized by progressive deficits in memory and cognitive functions. Cholinesterase inhibitors have been introduced as promising agents to enhance cognition and memory in both human patients and animal models of AD. In the current study, we assessed the effects of a synthetic phenoxyethyl piperidine derivative, compound 7c, as a novel dual inhibitor of acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE), on learning and memory, as well as serum and hippocampal AChE levels in an animal model of AD. The model of dementia was induced by intracerebroventricular injection of streptozotocin (STZ, 2 mg/kg) to male Wistar rats. STZ-treated rats received compound 7c (3, 30, and 300 µg/kg) for five consecutive days. Passive avoidance (PA) learning and memory, as well as spatial learning and memory using Morris water maze, were evaluated. The level of AChE was measured in the serum and the left and right hippocampus. Findings demonstrated that compound 7c (300 µg/kg) was able to reverse STZ-induced impairments in PA memory, while also reduced the increased AChE level in the left hippocampus. Taken together, compound 7c appeared to act as a central AChE inhibitor, and its role in alleviating cognitive deficits in the AD animal model suggests that it may have therapeutic potential in AD dementia. Further research is required to assess the effectiveness of compound 7c in more reliable models of AD in light of these preliminary findings.
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Affiliation(s)
- Fatemeh Abolhasani
- Department of Medicinal Chemistry, Faculty of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
| | - Yaghoub Pourshojaei
- Department of Medicinal Chemistry, Faculty of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran; Extremophile and Productive Microorganisms Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | | | - Khadijeh Esmaeilpour
- Department of Physics and Astronomy, University of Waterloo, Waterloo, Ontario, Canada; Institute of Neuropharmacology, Kerman Neuroscience Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Ali Asadipour
- Department of Medicinal Chemistry, Faculty of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
| | - Mehran Ilaghi
- Institute of Neuropharmacology, Kerman Neuroscience Research Center, Kerman University of Medical Sciences, Kerman, Iran.
| | - Mohammad Shabani
- Institute of Neuropharmacology, Kerman Neuroscience Research Center, Kerman University of Medical Sciences, Kerman, Iran.
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15
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Sie YY, Chen LC, Li CJ, Yuan YH, Hsiao SH, Lee MH, Wang CC, Hou WC. Inhibition of Acetylcholinesterase and Amyloid-β Aggregation by Piceatannol and Analogs: Assessing In Vitro and In Vivo Impact on a Murine Model of Scopolamine-Induced Memory Impairment. Antioxidants (Basel) 2023; 12:1362. [PMID: 37507902 PMCID: PMC10376691 DOI: 10.3390/antiox12071362] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 06/28/2023] [Accepted: 06/28/2023] [Indexed: 07/30/2023] Open
Abstract
Currently, no drug is effective in delaying the cognitive impairment of Alzheimer's disease, which ranks as one of the top 10 causes of death worldwide. Hydroxylated stilbenes are active compounds that exist in fruit and herbal plants. Piceatannol (PIC) and gnetol (GNT), which have one extra hydroxyl group in comparison to resveratrol (RSV), and rhapontigenin (RHA) and isorhapontigenin (isoRHA), which were metabolized from PIC in vivo and contain the same number of hydroxyl groups as RSV, were evaluated for their effects on Alzheimer's disease-associated factors in vitro and in animal experiments. Among the five hydroxylated stilbenes, PIC was shown to be the most active in DPPH radical scavenging and in inhibitory activities against acetylcholinesterase and amyloid-β peptide aggregations, with concentrations for half-maximal inhibitions of 40.2, 271.74, and 0.48 μM. The different interactions of the five hydroxylated stilbenes with acetylcholinesterase or amyloid-β were obtained by molecular docking. The scopolamine-induced ICR mice fed with PIC (50 mg/kg) showed an improved learning behavior in the passive avoidance tests and had significant differences (p < 0.05) compared with those in the control group. The RHA and isoRHA at 10 μM were proven to stimulate neurite outgrowths in the SH-SY5Y cell models. These results reveal that nutraceuticals or functional foods containing PIC have the potential for use in the treatment of neurodegenerative disorders.
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Affiliation(s)
- Yi-Yan Sie
- Ph.D. Program in Clinical Drug Development of Herbal Medicine, College of Pharmacy, Taipei Medical University, Taipei 110, Taiwan
| | - Liang-Chieh Chen
- Department of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA 90089, USA
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei 110, Taiwan
| | - Cai-Jhen Li
- Graduate Institute of Pharmacognosy, Taipei Medical University, Taipei 110, Taiwan
| | - Yu-Hsiang Yuan
- Graduate Institute of Pharmacognosy, Taipei Medical University, Taipei 110, Taiwan
| | - Sheng-Hung Hsiao
- Graduate Institute of Pharmacognosy, Taipei Medical University, Taipei 110, Taiwan
| | - Mei-Hsien Lee
- Graduate Institute of Pharmacognosy, Taipei Medical University, Taipei 110, Taiwan
| | - Ching-Chiung Wang
- School of Pharmacy, Taipei Medical University, Taipei 110, Taiwan
- Traditional Herbal Medicine Research Center, Taipei Medical University Hospital, Taipei 110, Taiwan
| | - Wen-Chi Hou
- Graduate Institute of Pharmacognosy, Taipei Medical University, Taipei 110, Taiwan
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16
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Na D, Zhang J, Beaulac HJ, Piekna-Przybylska D, Nicklas PR, Kiernan AE, White PM. Increased central auditory gain in 5xFAD Alzheimer's disease mice as an early biomarker candidate for Alzheimer's disease diagnosis. Front Neurosci 2023; 17:1106570. [PMID: 37304021 PMCID: PMC10250613 DOI: 10.3389/fnins.2023.1106570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 04/13/2023] [Indexed: 06/13/2023] Open
Abstract
Alzheimer's Disease (AD) is a neurodegenerative illness without a cure. All current therapies require an accurate diagnosis and staging of AD to ensure appropriate care. Central auditory processing disorders (CAPDs) and hearing loss have been associated with AD, and may precede the onset of Alzheimer's dementia. Therefore, CAPD is a possible biomarker candidate for AD diagnosis. However, little is known about how CAPD and AD pathological changes are correlated. In the present study, we investigated auditory changes in AD using transgenic amyloidosis mouse models. AD mouse models were bred to a mouse strain commonly used for auditory experiments, to compensate for the recessive accelerated hearing loss on the parent background. Auditory brainstem response (ABR) recordings revealed significant hearing loss, a reduced ABR wave I amplitude, and increased central gain in 5xFAD mice. In comparison, these effects were milder or reversed in APP/PS1 mice. Longitudinal analyses revealed that in 5xFAD mice, central gain increase preceded ABR wave I amplitude reduction and hearing loss, suggesting that it may originate from lesions in the central nervous system rather than the peripheral loss. Pharmacologically facilitating cholinergic signaling with donepezil reversed the central gain in 5xFAD mice. After the central gain increased, aging 5xFAD mice developed deficits for hearing sound pips in the presence of noise, consistent with CAPD-like symptoms of AD patients. Histological analysis revealed that amyloid plaques were deposited in the auditory cortex of both mouse strains. However, in 5xFAD but not APP/PS1 mice, plaque was observed in the upper auditory brainstem, specifically the inferior colliculus (IC) and the medial geniculate body (MGB). This plaque distribution parallels histological findings from human subjects with AD and correlates in age with central gain increase. Overall, we conclude that auditory alterations in amyloidosis mouse models correlate with amyloid deposits in the auditory brainstem and may be reversed initially through enhanced cholinergic signaling. The alteration of ABR recording related to the increase in central gain prior to AD-related hearing disorders suggests that it could potentially be used as an early biomarker of AD diagnosis.
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Affiliation(s)
- Daxiang Na
- Department of Biomedical Genetics, University of Rochester School of Medicine and Dentistry, Rochester, NY, United States
| | - Jingyuan Zhang
- Department of Neuroscience, Ernest J. Del Monte Institute for Neuroscience, University of Rochester School of Medicine and Dentistry, Rochester, NY, United States
| | - Holly J. Beaulac
- Department of Neuroscience, Ernest J. Del Monte Institute for Neuroscience, University of Rochester School of Medicine and Dentistry, Rochester, NY, United States
| | - Dorota Piekna-Przybylska
- Department of Neuroscience, Ernest J. Del Monte Institute for Neuroscience, University of Rochester School of Medicine and Dentistry, Rochester, NY, United States
| | - Paige R. Nicklas
- Department of Neuroscience, Ernest J. Del Monte Institute for Neuroscience, University of Rochester School of Medicine and Dentistry, Rochester, NY, United States
| | - Amy E. Kiernan
- Department of Biomedical Genetics, University of Rochester School of Medicine and Dentistry, Rochester, NY, United States
- Department of Ophthalmology, University of Rochester, Rochester, NY, United States
| | - Patricia M. White
- Department of Neuroscience, Ernest J. Del Monte Institute for Neuroscience, University of Rochester School of Medicine and Dentistry, Rochester, NY, United States
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17
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Abdullaha M, Banoo R, Nuthakki VK, Sharma M, Kaur S, Thakur S, Kumar A, Jadhav HR, Bharate SB. Methoxy-naphthyl-Linked N-Benzyl Pyridinium Styryls as Dual Cholinesterase Inhibitors: Design, Synthesis, Biological Evaluation, and Structure-Activity Relationship. ACS OMEGA 2023; 8:17591-17608. [PMID: 37251153 PMCID: PMC10210183 DOI: 10.1021/acsomega.2c08167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Accepted: 04/25/2023] [Indexed: 05/31/2023]
Abstract
The multifaceted nature of Alzheimer's disease (AD) indicates the need for multitargeted agents as potential therapeutics. Both cholinesterases (ChEs), acetylcholinesterase (AChE) and butyrylcholinesterase (BChE), play a vital role in disease progression. Thus, inhibiting both ChEs is more beneficial than only one for effectively managing AD. The present study provides a detailed lead optimization of the e-pharmacophore-generated pyridinium styryl scaffold to discover a dual ChE inhibitor. A structure-activity relationship analysis indicated the importance of three structural fragments, methoxy-naphthyl, vinyl-pyridinium, and substituted-benzyl, in a dual ChE inhibitor pharmacophore. The optimized 6-methoxy-naphthyl derivative, 7av (SB-1436), inhibits EeAChE and eqBChE with IC50 values of 176 and 370 nM, respectively. The kinetic study has shown that 7av inhibits AChE and BChE in a non-competitive manner with ki values of 46 and 115 nM, respectively. The docking and molecular dynamics simulation demonstrated that 7av binds with the catalytic and peripheral anionic sites of AChE and BChE. Compound 7av also significantly stops the self-aggregation of Aβ. The data presented herein indicate the potential of 7av for further investigation in preclinical models of AD.
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Affiliation(s)
- Mohd Abdullaha
- Natural
Products & Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
- Academy
of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Razia Banoo
- Natural
Products & Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
- Academy
of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Vijay K. Nuthakki
- Natural
Products & Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
- Academy
of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Mohit Sharma
- Natural
Products & Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
- Academy
of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Sukhleen Kaur
- Academy
of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
- Pharmacology
Division, CSIR-Indian Institute of Integrative
Medicine, Jammu 180001, India
| | - Shikha Thakur
- Department
of Pharmacy, Birla Institute of Technology
and Sciences Pilani, Pilani 333031, Rajasthan, India
| | - Ajay Kumar
- Academy
of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
- Pharmacology
Division, CSIR-Indian Institute of Integrative
Medicine, Jammu 180001, India
| | - Hemant R. Jadhav
- Department
of Pharmacy, Birla Institute of Technology
and Sciences Pilani, Pilani 333031, Rajasthan, India
| | - Sandip B. Bharate
- Natural
Products & Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
- Academy
of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
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18
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Phung NV, Rong F, Xia WY, Fan Y, Li XY, Wang SA, Li FL. Nervonic acid and its sphingolipids: Biological functions and potential food applications. Crit Rev Food Sci Nutr 2023:1-20. [PMID: 37114919 DOI: 10.1080/10408398.2023.2203753] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
Nervonic acid, a 24-carbon fatty acid with only one double bond at the 9th carbon (C24:1n-9), is abundant in the human brain, liver, and kidney. It not only functions in free form but also serves as a critical component of sphingolipids which participate in many biological processes such as cell membrane formation, apoptosis, and neurotransmission. Recent studies show that nervonic acid supplementation is not only beneficial to human health but also can improve the many medical conditions such as neurological diseases, cancers, diabetes, obesity, and their complications. Nervonic acid and its sphingomyelins serve as a special material for myelination in infants and remyelination patients with multiple sclerosis. Besides, the administration of nervonic acid is reported to reduce motor disorder in mice with Parkinson's disease and limit weight gain. Perturbations of nervonic acid and its sphingolipids might lead to the pathogenesis of many diseases and understanding these mechanisms is critical for investigating potential therapeutic approaches for such diseases. However, available studies about this aspect are limited. In this review, relevant findings about functional mechanisms of nervonic acid have been comprehensively and systematically described, focusing on four interconnected functions: cellular structure, signaling, anti-inflammation, lipid mobilization, and their related diseases.
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Affiliation(s)
- Nghi Van Phung
- Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao C1 Refinery Engineering Research Center, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, China
| | - Fei Rong
- Department of Anesthesiology, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao, China
| | - Wan Yue Xia
- Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao C1 Refinery Engineering Research Center, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, China
| | - Yong Fan
- Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao C1 Refinery Engineering Research Center, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, China
- Qingdao New Energy Shandong Laboratory, Qingdao, China
| | - Xian Yu Li
- China Academy of Chinese Medical Sciences, Beijing, China
| | - Shi An Wang
- Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao C1 Refinery Engineering Research Center, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, China
- Shandong Energy Institute, Qingdao, China
| | - Fu Li Li
- Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao C1 Refinery Engineering Research Center, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, China
- Qingdao New Energy Shandong Laboratory, Qingdao, China
- Shandong Energy Institute, Qingdao, China
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19
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Sharma P, Singh M. An ongoing journey of chalcone analogues as single and multi-target ligands in the field of Alzheimer's disease: A review with structural aspects. Life Sci 2023; 320:121568. [PMID: 36925061 DOI: 10.1016/j.lfs.2023.121568] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 03/03/2023] [Accepted: 03/07/2023] [Indexed: 03/17/2023]
Abstract
Alzheimer's disease (AD) is a chronic and irreversible neurodegenerative disorder with progressive dementia and cognitive impairment. AD poses severe health challenge in elderly people and become one of the leading causes of death worldwide. It possesses complex pathophysiology with several hypotheses (cholinergic hypothesis, amyloid hypothesis, tau hypothesis, oxidative stress, mitochondrial dysfunction etc.). Several attempts have been made for the management of multifactorial AD. Acetylcholinesterase is the only target has been widely explored in the management of AD to the date. The current review set forth the chalcone based natural, semi-synthetic and synthetic compounds in the search of potential anti-Alzheimer's agents. The main highlights of current review emphasizes on chalcone target different enzymes and pathways like Acetylcholinesterase, β-secretase (BACE1), tau proteins, MAO, free radicals, Advanced glycation end Products (AGEs) etc. and their structure activity relationships contributing in the inhibition of above mentioned various targets of AD.
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Affiliation(s)
- Pratibha Sharma
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Manjinder Singh
- Chitkara College of Pharmacy, Chitkara University, Punjab, India.
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20
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A Review on Recent Approaches on Molecular Docking Studies of Novel Compounds Targeting Acetylcholinesterase in Alzheimer Disease. Molecules 2023; 28:molecules28031084. [PMID: 36770750 PMCID: PMC9921523 DOI: 10.3390/molecules28031084] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/09/2023] [Accepted: 01/18/2023] [Indexed: 01/24/2023] Open
Abstract
Alzheimer's disease (AD), a neurodegenerative brain disorder that affects millions of people worldwide, is characterized by memory loss and cognitive decline. Low levels of acetylcholine and abnormal levels of beta-amyloid, T protein aggregation, inflammation, and oxidative stress, have been associated with AD, and therefore, research has been oriented towards the cholinergic system and primarily on acetylcholinesterase (AChE) inhibitors. In this review, we are focusing on the discovery of AChE inhibitors using computer-based modeling and simulation techniques, covering the recent literature from 2018-2022. More specifically, the review discusses the structures of novel, potent acetylcholinesterase inhibitors and their binding mode to AChE, as well as the physicochemical requirements for the design of potential AChE inhibitors.
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21
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Bubley A, Erofeev A, Gorelkin P, Beloglazkina E, Majouga A, Krasnovskaya O. Tacrine-Based Hybrids: Past, Present, and Future. Int J Mol Sci 2023; 24:ijms24021717. [PMID: 36675233 PMCID: PMC9863713 DOI: 10.3390/ijms24021717] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 01/10/2023] [Accepted: 01/11/2023] [Indexed: 01/18/2023] Open
Abstract
Alzheimer's disease (AD) is a neurodegenerative disorder which is characterized by β-amyloid (Aβ) aggregation, τ-hyperphosphorylation, and loss of cholinergic neurons. The other important hallmarks of AD are oxidative stress, metal dyshomeostasis, inflammation, and cell cycle dysregulation. Multiple therapeutic targets may be proposed for the development of anti-AD drugs, and the "one drug-multiple targets" strategy is of current interest. Tacrine (THA) was the first clinically approved cholinesterase (ChE) inhibitor, which was withdrawn due to high hepatotoxicity. However, its high potency in ChE inhibition, low molecular weight, and simple structure make THA a promising scaffold for developing multi-target agents. In this review, we summarized THA-based hybrids published from 2006 to 2022, thus providing an overview of strategies that have been used in drug design and approaches that have resulted in significant cognitive improvements and reduced hepatotoxicity.
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Affiliation(s)
- Anna Bubley
- Chemistry Department, Lomonosov Moscow State University, Leninskie Gory 1-3, Moscow 119991, Russia
| | - Alexaner Erofeev
- Department of Materials Science of Semiconductors and Dielectrics, National University of Science and Technology (MISIS), Leninskiy Prospect 4, Moscow 119049, Russia
| | - Peter Gorelkin
- Department of Materials Science of Semiconductors and Dielectrics, National University of Science and Technology (MISIS), Leninskiy Prospect 4, Moscow 119049, Russia
| | - Elena Beloglazkina
- Chemistry Department, Lomonosov Moscow State University, Leninskie Gory 1-3, Moscow 119991, Russia
| | - Alexander Majouga
- Department of Materials Science of Semiconductors and Dielectrics, National University of Science and Technology (MISIS), Leninskiy Prospect 4, Moscow 119049, Russia
| | - Olga Krasnovskaya
- Chemistry Department, Lomonosov Moscow State University, Leninskie Gory 1-3, Moscow 119991, Russia
- Department of Materials Science of Semiconductors and Dielectrics, National University of Science and Technology (MISIS), Leninskiy Prospect 4, Moscow 119049, Russia
- Correspondence:
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22
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Wang Y, Xue Y, Zhao Q, Wang S, Sun J, Yang X. Colorimetric Assay for Acetylcholinesterase Activity and Inhibitor Screening Based on Metal–Organic Framework Nanosheets. Anal Chem 2022; 94:16345-16352. [DOI: 10.1021/acs.analchem.2c03290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Yu Wang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Yu Xue
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Qilin Zhao
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Shuang Wang
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia 30322, United States
| | - Jian Sun
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China
| | - Xiurong Yang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
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23
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Recent Progress in Research on Mechanisms of Action of Natural Products against Alzheimer's Disease: Dietary Plant Polyphenols. Int J Mol Sci 2022; 23:ijms232213886. [PMID: 36430365 PMCID: PMC9695301 DOI: 10.3390/ijms232213886] [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: 09/28/2022] [Revised: 11/05/2022] [Accepted: 11/07/2022] [Indexed: 11/16/2022] Open
Abstract
Alzheimer's disease (AD) is an incurable degenerative disease of the central nervous system and the most common type of dementia in the elderly. Despite years of extensive research efforts, our understanding of the etiology and pathogenesis of AD is still highly limited. Nevertheless, several hypotheses related to risk factors for AD have been proposed. Moreover, plant-derived dietary polyphenols were also shown to exert protective effects against neurodegenerative diseases such as AD. In this review, we summarize the regulatory effects of the most well-known plant-derived dietary polyphenols on several AD-related molecular mechanisms, such as amelioration of oxidative stress injury, inhibition of aberrant glial cell activation to alleviate neuroinflammation, inhibition of the generation and promotion of the clearance of toxic amyloid-β (Aβ) plaques, inhibition of cholinesterase enzyme activity, and increase in acetylcholine levels in the brain. We also discuss the issue of bioavailability and the potential for improvement in this regard. This review is expected to encourage further research on the role of natural dietary plant polyphenols in the treatment of AD.
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24
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Álvarez-Berbel I, Espargaró A, Viayna A, Caballero AB, Busquets MA, Gámez P, Luque FJ, Sabaté R. Three to Tango: Inhibitory Effect of Quercetin and Apigenin on Acetylcholinesterase, Amyloid-β Aggregation and Acetylcholinesterase-Amyloid Interaction. Pharmaceutics 2022; 14:2342. [PMID: 36365159 PMCID: PMC9699245 DOI: 10.3390/pharmaceutics14112342] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 10/27/2022] [Accepted: 10/28/2022] [Indexed: 10/13/2023] Open
Abstract
One of the pathological hallmarks of Alzheimer's disease (AD) is the formation of amyloid-β plaques. Since acetylcholinesterase (AChE) promotes the formation of such plaques, the inhibition of this enzyme could slow down the progression of amyloid-β aggregation, hence being complementary to the palliative treatment of cholinergic decline. Antiaggregation assays performed for apigenin and quercetin, which are polyphenolic compounds that exhibit inhibitory properties against the formation of amyloid plaques, reveal distinct inhibitory effects of these compounds on Aβ40 aggregation in the presence and absence of AChE. Furthermore, the analysis of the amyloid fibers formed in the presence of these flavonoids suggests that the Aβ40 aggregates present different quaternary structures, viz., smaller molecular assemblies are generated. In agreement with a noncompetitive inhibition of AChE, molecular modeling studies indicate that these effects may be due to the binding of apigenin and quercetin at the peripheral binding site of AChE. Since apigenin and quercetin can also reduce the generation of reactive oxygen species, the data achieved suggest that multitarget catechol-type compounds may be used for the simultaneous treatment of various biological hallmarks of AD.
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Affiliation(s)
- Irene Álvarez-Berbel
- Department of Pharmacy and Pharmaceutical Technology and Physical-Chemistry, School of Pharmacy and Institute of Nanoscience and Nanotechnology (IN2UB), University of Barcelona, 08028 Barcelona, Spain
| | - Alba Espargaró
- Department of Pharmacy and Pharmaceutical Technology and Physical-Chemistry, School of Pharmacy and Institute of Nanoscience and Nanotechnology (IN2UB), University of Barcelona, 08028 Barcelona, Spain
| | - Antonio Viayna
- Department of Nutrition, Food Sciences and Gastronomy, School of Pharmacy, Institute of Theoretical and Computational Chemistry (IQTCUB) and Institute of Biomedicine (IBUB), Campus Torribera, University of Barcelona, Prat de la Riba 171, 08921 Santa Coloma de Gramenet, Spain
| | - Ana Belén Caballero
- Department of Inorganic and Organic Chemistry, Faculty of Chemistry, Institute of Nanoscience and Nanotechnology (IN2UB) and NanoBIC, University of Barcelona, 08028 Barcelona, Spain
| | - Maria Antònia Busquets
- Department of Pharmacy and Pharmaceutical Technology and Physical-Chemistry, School of Pharmacy and Institute of Nanoscience and Nanotechnology (IN2UB), University of Barcelona, 08028 Barcelona, Spain
| | - Patrick Gámez
- Department of Inorganic and Organic Chemistry, Faculty of Chemistry, Institute of Nanoscience and Nanotechnology (IN2UB) and NanoBIC, University of Barcelona, 08028 Barcelona, Spain
- Catalan Institution for Research and Advanced Studies, Passeig Lluís Companys 23, 08010 Barcelona, Spain
| | - Francisco Javier Luque
- Department of Nutrition, Food Sciences and Gastronomy, School of Pharmacy, Institute of Theoretical and Computational Chemistry (IQTCUB) and Institute of Biomedicine (IBUB), Campus Torribera, University of Barcelona, Prat de la Riba 171, 08921 Santa Coloma de Gramenet, Spain
| | - Raimon Sabaté
- Department of Pharmacy and Pharmaceutical Technology and Physical-Chemistry, School of Pharmacy and Institute of Nanoscience and Nanotechnology (IN2UB), University of Barcelona, 08028 Barcelona, Spain
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25
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Asen ND, Okagu OD, Udenigwe CC, Aluko RE. In vitro inhibition of acetylcholinesterase activity by yellow field pea (Pisum sativum) protein-derived peptides as revealed by kinetics and molecular docking. Front Nutr 2022; 9:1021893. [PMID: 36337665 PMCID: PMC9635817 DOI: 10.3389/fnut.2022.1021893] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 10/07/2022] [Indexed: 11/28/2022] Open
Abstract
Compounds with structural similarities to the neurotransmitter (acetylcholine) are mostly used to inhibit the activity of acetylcholinesterase (AChE) in Alzheimer’s disease (AD) therapy. However, the existing drugs only alleviate symptoms of moderate to mild conditions and come with side effects; hence, the search is still on for potent and safer options. In this study, High performance liquid chromatography (HPLC) fractionations of AChE-inhibitory pea protein hydrolysates obtained from alcalase, flavourzyme and pepsin digestions were carried out followed by sequence identification of the most active fractions using mass spectrometry. Subsequently, 20 novel peptide sequences identified from the active fractions were synthesized and five peptides, QSQS, LQHNA, SQSRS, ETRSQ, PQDER (IC50 = 1.53 – 1.61 μg/mL) were selected and analyzed for ability to change AChE protein conformation (fluorescence emission and circular dichroism), kinetics of enzyme inhibition, and enzyme-ligand binding configurations using molecular docking. The kinetics studies revealed different inhibition modes by the peptides with relatively low (<0.02 mM and <0.1 mM) inhibition constant and Michaelis constant, respectively, while maximum velocity was reduced. Conformational changes were confirmed by losses in fluorescence intensity and reduced α-helix content of AChE after interactions with different peptides. Molecular docking revealed binding of the peptides to both the catalytic anionic site and the peripheral anionic site. The five analyzed peptides all contained glutamine (Q) but sequences with Q in the penultimate N-terminal position (LQHNA, SQSRS, and PQDER) had stronger binding affinity. Results from the different analysis in this study confirm that the peptides obtained from enzymatic digestion of pea protein possess the potential to be used as novel AChE-inhibitory agents in AD management.
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Affiliation(s)
- Nancy D. Asen
- Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, MB, Canada
| | - Ogadimma D. Okagu
- Department of Chemistry and Biomolecular Sciences, Faculty of Science, University of Ottawa, Ottawa, ON, Canada
| | - Chibuike C. Udenigwe
- Department of Chemistry and Biomolecular Sciences, Faculty of Science, University of Ottawa, Ottawa, ON, Canada
- School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, ON, Canada
| | - Rotimi E. Aluko
- Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, MB, Canada
- Richardson Centre for Food Technology and Research, University of Manitoba, Winnipeg, MB, Canada
- *Correspondence: Rotimi E. Aluko,
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26
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Ethnomedicinal Plants with Protective Effects against Beta-Amyloid Peptide (Aβ)1-42 Indicate Therapeutic Potential in a New In Vivo Model of Alzheimer's Disease. Antioxidants (Basel) 2022; 11:antiox11101865. [PMID: 36290588 PMCID: PMC9598277 DOI: 10.3390/antiox11101865] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 09/08/2022] [Accepted: 09/17/2022] [Indexed: 11/25/2022] Open
Abstract
Alzheimer’s disease (AD) is a progressive neurodegenerative disorder with unmet medical need. This investigation consisted of testing a range of ethanolic ethnomedicinal plant extracts (n = 18) traditionally used in the treatment of disorders such as anxiety, delirium, and memory loss. They were then screened for in vitro inhibitory activity against acetylcholinesterase (AChE), butylcholinesterase (BuChE), beta-secretase 1/beta-site amyloid precursor protein (APP) cleaving enzyme 1 (BACE1), and antioxidant activities. Plants with potent activities were further characterised using a recently developed in vivo model of AD, Globodera pallida. The ability of phytoextracts to protect this organism against amyloid-beta Aβ (1-42) exposure was assessed by measuring chemosensing, survival rate, production of reactive oxygen species (ROS), and antioxidant responses. Extracts (n = 5) from Juglans regia (leaves), Ellettaria cardamomum (seeds), Cinnamomum zeylanicum (bark), Salvia officinalis (leaves/flowers), and Hypericum perforatum (flowers) exerted concentration-dependent inhibitory activities against AChE and BuChE. Three of these plant extracts (i.e., J. regia, E. cardamomum, and S. officinalis) possessed strong concentration-dependent inhibitory activity against BACE1. Furthermore, the five selected medicinal plant extracts not only enhanced significantly (p < 0.05) the nematode’s chemosensing, survival rate, and antioxidant responses (i.e., anti-ROS production, mitochondrial reductase activity, oxidized glutathione (GSSG) to reduced glutathione (GSH) ratio), but also greatly restored (p < 0.05) in a concentration-dependent manner the Aβ (1-42)-induced deleterious changes in these same parameters. In brief, this investigation highlights plant extracts with strong anti-AD activities which could be trialled as novel therapeutic supplements or undergo further biodiscovery research.
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27
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Chen Y, Qin Q, Zhao W, Luo D, Huang Y, Liu G, Kuang Y, Cao Y, Chen Y. Carnosol Reduced Pathogenic Protein Aggregation and Cognitive Impairment in Neurodegenerative Diseases Models via Improving Proteostasis and Ameliorating Mitochondrial Disorders. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:10490-10505. [PMID: 35973126 DOI: 10.1021/acs.jafc.2c02665] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Neurodegenerative diseases (NDs) such as Alzheimer's disease, Parkinson's disease, and Huntington's disease are incurable diseases with progressive loss of neural function and require urgent development of effective treatments. Carnosol (CL) reportedly has a pharmacological effect in the prevention of dementia. Nevertheless, the mechanisms of CL's neuroprotection are not entirely clear. The present study aimed to investigate the effects and mechanisms of CL-mediated neuroprotection through Caenorhabditis elegans models. First, CL restored ND protein homeostasis via inhibiting the IIS pathway, regulating MAPK signaling, and simultaneously activating molecular chaperone, thus inhibiting amyloid peptide (Aβ), polyglutamine (polyQ), and α-synuclein (α-syn) deposition and reducing protein disruption-mediated behavioral and cognitive impairments as well as neuronal damages. Furthermore, CL could repair mitochondrial structural damage via improving the mitochondrial membrane protein function and mitochondrial structural homeostasis and improve mitochondrial functional defects via increasing adenosine triphosphate contents, mitochondrial membrane potential, and reactive oxygen species levels, suggesting that CL could improve the ubiquitous mitochondrial defects in NDs. More importantly, we found that CL activated mitochondrial kinetic homeostasis related genes to improve the mitochondrial homeostasis and dysfunction in NDs. Meanwhile, CL up-regulated unc-17, cho-1, and cha-1 genes to alleviate Aβ-mediated cholinergic neurological disorders and activated Notch signaling and the Wnt pathway to diminish polyQ- and α-syn-induced ASH neurons as well as dopaminergic neuron damages. Overall, our study clarified the beneficial anti-ND neuroprotective effects of CL in different aspects and provided new insights into developing CL into products with preventive and therapeutic effects on NDs.
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Affiliation(s)
- Yun Chen
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou, 510640 Guangdong, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510640 Guangdong, China
| | - Qiao Qin
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou, 510640 Guangdong, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510640 Guangdong, China
| | - Wen Zhao
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou, 510640 Guangdong, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510640 Guangdong, China
| | - Danxia Luo
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou, 510640 Guangdong, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510640 Guangdong, China
| | - Yingyin Huang
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou, 510640 Guangdong, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510640 Guangdong, China
| | - Guo Liu
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou, 510640 Guangdong, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510640 Guangdong, China
| | - Yong Kuang
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou, 510640 Guangdong, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510640 Guangdong, China
| | - Yong Cao
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou, 510640 Guangdong, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510640 Guangdong, China
| | - Yunjiao Chen
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou, 510640 Guangdong, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510640 Guangdong, China
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28
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Rajamanickam G, SL M. Bio-guided isolation of anti-Alzheimer’s compounds from Phyllanthus niruri and role of niruriflavone in the reversal of aluminum chloride-induced neurobehavioral and biochemical changes in an animal model. Med Chem Res 2022. [DOI: 10.1007/s00044-022-02944-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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29
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Novel aryl(4-phenylpiperazin-1-yl)methanethione derivatives as new anti-Alzheimer agents: Design, synthesis, in vitro and in silico assays. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132945] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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30
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Pérez-González D, Schreiner TG, Llano DA, Malmierca MS. Alzheimer's Disease, Hearing Loss, and Deviance Detection. Front Neurosci 2022; 16:879480. [PMID: 35720686 PMCID: PMC9201340 DOI: 10.3389/fnins.2022.879480] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Accepted: 05/09/2022] [Indexed: 11/17/2022] Open
Abstract
Age-related hearing loss is a widespread condition among the elderly, affecting communication and social participation. Given its high incidence, it is not unusual that individuals suffering from age-related hearing loss also suffer from other age-related neurodegenerative diseases, a scenario which severely impacts their quality of life. Furthermore, recent studies have identified hearing loss as a relevant risk factor for the development of dementia due to Alzheimer’s disease, although the underlying associations are still unclear. In order to cope with the continuous flow of auditory information, the brain needs to separate repetitive sounds from rare, unexpected sounds, which may be relevant. This process, known as deviance detection, is a key component of the sensory perception theory of predictive coding. According to this framework, the brain would use the available incoming information to make predictions about the environment and signal the unexpected stimuli that break those predictions. Such a system can be easily impaired by the distortion of auditory information processing that accompanies hearing loss. Changes in cholinergic neuromodulation have been found to alter auditory deviance detection both in humans and animal models. Interestingly, some theories propose a role for acetylcholine in the development of Alzheimer’s disease, the most common type of dementia. Acetylcholine is involved in multiple neurobiological processes such as attention, learning, memory, arousal, sleep and/or cognitive reinforcement, and has direct influence on the auditory system at the levels of the inferior colliculus and auditory cortex. Here we comment on the possible links between acetylcholine, hearing loss, and Alzheimer’s disease, and association that is worth further investigation.
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Affiliation(s)
- David Pérez-González
- Cognitive and Auditory Neuroscience Laboratory (Lab 1), Institute of Neuroscience of Castilla y León (INCYL), University of Salamanca, Salamanca, Spain.,Institute for Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
| | - Thomas G Schreiner
- Department of Electrical Measurements and Materials, Faculty of Electrical Engineering and Information Technology, "Gheorghe Asachi" Technical University of Iasi, Iaşi, Romania.,Department of Neurology, "Gr. T. Popa" University of Medicine and Pharmacy, Iaşi, Romania
| | - Daniel A Llano
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Champaign, IL, United States.,The Beckman Institute for Advanced Science and Technology, Urbana, IL, United States.,Carle Neuroscience Institute, Urbana, IL, United States
| | - Manuel S Malmierca
- Cognitive and Auditory Neuroscience Laboratory (Lab 1), Institute of Neuroscience of Castilla y León (INCYL), University of Salamanca, Salamanca, Spain.,Institute for Biomedical Research of Salamanca (IBSAL), Salamanca, Spain.,Department of Cell Biology and Pathology, Faculty of Medicine, University of Salamanca, Salamanca, Spain
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31
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Velueta-Viveros M, Martínez-Bailén M, Puerta A, Romero-Hernández LL, Křen V, Merino-Montiel P, Montiel-Smith S, Fernandes MX, Moreno-Vargas AJ, Padrón JM, López Ó, Fernández-Bolaños JG. Carbohydrate-derived bicyclic selenazolines as new dual inhibitors (cholinesterases/OGA) against Alzheimer’s disease. Bioorg Chem 2022; 127:105983. [DOI: 10.1016/j.bioorg.2022.105983] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Revised: 06/19/2022] [Accepted: 06/21/2022] [Indexed: 11/30/2022]
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32
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Chen Y, Wang Y, Qin Q, Zhang Y, Xie L, Xiao J, Cao Y, Su Z, Chen Y. Carnosic acid ameliorated Aβ-mediated (amyloid-β peptide) toxicity, cholinergic dysfunction and mitochondrial defect in Caenorhabditis elegans of Alzheimer's Model. Food Funct 2022; 13:4624-4640. [PMID: 35357374 DOI: 10.1039/d1fo02965g] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Amyloid-β peptide (Aβ)-induced cholinergic system and mitochondrial dysfunction are major risk factors for Alzheimer's disease (AD). Our previous studies found that carnosic acid (CA), an important polyphenol antioxidant, could significantly delay Aβ1-42-mediated acute paralysis. However, many details and underlying mechanisms of CA's neuroprotection against Aβ-induced cholinergic system defects and mitochondrial dysfunction remain unclear. Herein, we deeply investigated the effects and the possible mechanisms of CA-mediated protection against Aβ toxicity in vivo through several AD Caenorhabditis elegans strains. The results showed CA delayed age-related paralysis and Aβ deposition, and significantly protected neurons from Aβ-induced toxicity. CA might downgrade the expression of ace-1 and ace-2 genes, and upregulate cha-1 and unc-17 genes to inhibit acetylcholinesterase activity and relieve Aβ-caused cholinergic system defects. Furthermore, CA might also ameliorate Aβ-induced mitochondrial imbalance and oxidative stress through up-regulating the expression of phb-1, phb-2, eat-3, and drp-1 genes. The enhancements of the cholinergic system and mitochondrial function might be the reasons for the amelioration of Aβ-mediated toxicity and Aβ aggregation mediated by CA. These findings have helped us to understand the CA anti-Aβ activity in C. elegans and the potential mechanism of action.
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Affiliation(s)
- Yun Chen
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou 510640, Guangdong, China. .,Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510640, Guangdong, China
| | - Yarong Wang
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou 510640, Guangdong, China. .,Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510640, Guangdong, China
| | - Qiao Qin
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou 510640, Guangdong, China. .,Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510640, Guangdong, China
| | - Yali Zhang
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou 510640, Guangdong, China. .,Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510640, Guangdong, China
| | - Lingling Xie
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou 510640, Guangdong, China. .,Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510640, Guangdong, China
| | - Jie Xiao
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou 510640, Guangdong, China. .,Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510640, Guangdong, China
| | - Yong Cao
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou 510640, Guangdong, China. .,Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510640, Guangdong, China
| | - Zuanxian Su
- College of Horticulture, South China Agricultural University, Guangzhou 510640, Guangdong, China
| | - Yunjiao Chen
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou 510640, Guangdong, China. .,Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510640, Guangdong, China
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33
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Moreira NCDS, Lima JEBDF, Fiori Marchiori M, Carvalho I, Sakamoto-Hojo ET. Neuroprotective Effects of Cholinesterase Inhibitors: Current Scenario in Therapies for Alzheimer’s Disease and Future Perspectives. J Alzheimers Dis Rep 2022; 6:177-193. [PMID: 35591949 PMCID: PMC9108627 DOI: 10.3233/adr-210061] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 03/16/2022] [Indexed: 12/12/2022] Open
Abstract
Alzheimer’s disease (AD) is a slowly progressive neurodegenerative disease conceptualized as a continuous process, ranging from mild cognitive impairment (MCI), to the mild, moderate, and severe clinical stages of AD dementia. AD is considered a complex multifactorial disease. Currently, the use of cholinesterase inhibitors (ChEI), such as tacrine, donepezil, rivastigmine, and galantamine, has been the main treatment for AD patients. Interestingly, there is evidence that ChEI also promotes neuroprotective effects, bringing some benefits to AD patients. The mechanisms by which the ChEI act have been investigated in AD. ChEI can modulate the PI3K/AKT pathway, which is an important signaling cascade that is capable of causing a significant functional impact on neurons by activating cell survival pathways to promote neuroprotective effects. However, there is still a huge challenge in the field of neuroprotection, but in the context of unravelling the details of the PI3K/AKT pathway, a new scenario has emerged for the development of more efficient drugs that act on multiple protein targets. Thus, the mechanisms by which ChEI can promote neuroprotective effects and prospects for the development of new drug candidates for the treatment of AD are discussed in this review.
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Affiliation(s)
| | | | - Marcelo Fiori Marchiori
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Ivone Carvalho
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Elza Tiemi Sakamoto-Hojo
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
- Department of Biology, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
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34
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Ma HH, Wan C, Zhang LD, Zhang RR, Peng D, Qiao LJ, Zhang SJ, Cai YF, Huang HQ. Sodium tanshinone IIA sulfonate improves cognitive impairment via regulating Aβ transportation in AD transgenic mouse model. Metab Brain Dis 2022; 37:989-1001. [PMID: 35080687 DOI: 10.1007/s11011-022-00911-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 01/16/2022] [Indexed: 12/11/2022]
Abstract
Alzheimer's disease (AD) is a most common neurodegenerative disease. Sodium Tanshinone IIA Sulfonate (STS) has been reported to ameliorate AD pathology. However, the underlying mechanism is still unclear. In this study, AD transgenic mouse model (APP/PS1) was used to explore the potential mechanism of STS against AD. Morris water maze and Y-maze tests showed that administration of STS improved learning and memory abilities of APP/PS1 mice. STS reduced the levels of reactive oxygen species and malondialdehyde, while improved the activity of superoxide dismutase in both hippocampus and cortex in APP/PS1 mice. STS inhibited the activity of acetylcholinesterase, while improved the activity of choline acetyltransferase in APP/PS1 mice. In addition, STS elevated the protein expressions of neurotrophic factors and synapse-related proteins in both the hippocampus and cortex in APP/PS1 mice. At last, STS improved the protein expressions of glucose transporter 1 (GLUT1) and low-density lipoprotein receptor-related protein 1 (LRP1). These results indicated that the potential mechanism of STS on AD might be related to Aβ transportation function via GLUT1/LRP1 pathway. HIGHLIGHTS: STS improves cognitive impairment of APP/PS1 mice. STS ameliorates the oxidative stress damage and improves the cholinergic system. STS protects against neuronal dysfunction and enhances the synaptic plasticity. STS mediates the Aβ transportation of BMECs.
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Affiliation(s)
- Hui-Han Ma
- Department of Neurology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- Department of Neurology, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Can Wan
- Department of Neurology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- Department of Neurology, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Lu-Di Zhang
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Rong-Rong Zhang
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Dong Peng
- College of Basic Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Li-Jun Qiao
- Department of Neurology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- Department of Neurology, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Shi-Jie Zhang
- Department of Neurology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.
- Department of Neurology, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China.
| | - Ye-Feng Cai
- Department of Neurology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.
- Department of Neurology, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China.
| | - Hong-Qiang Huang
- Department of Neurology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.
- Department of Neurology, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China.
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35
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Shahid Nadeem M, Azam Khan J, Kazmi I, Rashid U. Design, Synthesis, and Bioevaluation of Indole Core Containing 2-Arylidine Derivatives of Thiazolopyrimidine as Multitarget Inhibitors of Cholinesterases and Monoamine Oxidase A/B for the Treatment of Alzheimer Disease. ACS OMEGA 2022; 7:9369-9379. [PMID: 35350344 PMCID: PMC8945123 DOI: 10.1021/acsomega.1c06344] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 03/01/2022] [Indexed: 05/07/2023]
Abstract
In continuation of our previous study to identify multitarget inhibitors of cholinesterases (ChEs) and monoamine oxidase (MAOs) isoforms, we synthesized and evaluated 2-arylidine derivatives of thiazolopyrimidine for the treatment of Alzheimer disease. Three series of compounds with different linker size and target-anchoring functional groups were synthesized. Compounds 34-37 showed excellent to good AChE and BChE inhibition potential at nanomolar to low micromolar concentration. While all the compounds showed excellent MAO-B inhibition and selectivity relative to MAO-A, compounds 25 and 36 emerged as the most potent MAO-B inhibitors of all the series of synthesized compounds with IC50 values of 0.13 μM and 0.10 μM, respectively. Furthermore, kinetic studies of inhibitor 35 showed mixed inhibition mode. Exploration of structure activity relationship (SAR) revealed the role of functionalities and length of linkers on potency. Acute toxicity evaluation showed the safety of tested compounds up to 2000 mg/kg dose. PAMPA-BBB evaluation showed BBB permeability of the tested compounds, while MTT assay performed on neuroblastoma SHSY5Y cells showed that all the tested compounds are non-neurotoxic in the tested concentrations. Docking studies showed a strong correlation with experimental in vitro results via binding orientations and interaction patterns of the synthesized compounds into the binding sites of target enzymes. We have successfully identified safe, non-neurotoxic, and blood brain barrier permeable multitarget lead compounds for the treatment of AD.
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Affiliation(s)
- Muhammad Shahid Nadeem
- Department
of Biochemistry, Faculty of Science, King
Abdulaziz University Jeddah, 21589, Saudi Arabia
| | - Jalaluddin Azam Khan
- Department
of Biochemistry, Faculty of Science, King
Abdulaziz University Jeddah, 21589, Saudi Arabia
| | - Imran Kazmi
- Department
of Biochemistry, Faculty of Science, King
Abdulaziz University Jeddah, 21589, Saudi Arabia
| | - Umer Rashid
- Department
of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, 22060, Pakistan
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36
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The effects of vitamin D on learning and memory of hypothyroid juvenile rats and brain tissue acetylcholinesterase activity and oxidative stress indicators. Naunyn Schmiedebergs Arch Pharmacol 2022; 395:337-351. [PMID: 34982186 DOI: 10.1007/s00210-021-02195-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 12/15/2021] [Indexed: 01/28/2023]
Abstract
Apart from a role as a key regulator of calcium/phosphate homeostasis, vitamin D (Vit D) is suggested to be a potential player in nervous system growth and function. This study aimed to assess the impacts of Vit D administration on memory impairment, oxidative damage, and acetylcholinesterase (AchE) overactivity in hypothyroid juvenile rats. The animals were randomly grouped as (1) Control; (2) Hypothyroid; (3) Hypothyroid-Vit D100, and (4) Hypothyroid-Vit D 500. Propylthiouracil (PTU) was added to their drinking water (0.05%) for 6 weeks, and Vit D (100 or 500 IU/kg) treatment was performed daily by gavage. Morris water maze (MWM) and passive avoidance (PA) tests were performed. The brains were removed under deep anesthesia, then the hippocampal and cortical tissues were separated to assess biochemical parameters. Hypothyroidism was significantly associated with learning and memory impairment in MWM and PA tests. Hypothyroidism was also accompanied by an elevation in AChE activity and malondialdehyde (MDA) content and a reduced level of thiol content and superoxide dismutase (SOD) activity in the brain. Treatment with Vit D recovered hypothyroidism-induced cognitive impairment and improved memory performance in MWM and PA tasks. On the other hand, Vit D alleviated AChE activity and MDA level, whereas increased SOD activity and thiol content in the hippocampal and cortical tissues. In conclusion, these outcomes suggest an association between the oral administrations of Vit D and learning and memory improvement of hypothyroid rats, which was accompanied by decreasing AChE activity and brain tissue oxidative damage.
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37
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Mohammadi-Khanaposhtani M, Nori M, Valizadeh Y, Javanshir S, Dastyafteh N, Moaazam A, Hosseini S, Larijani B, Adibi H, Biglar M, Hamedifar H, Mahdavi M, Kamci H, Karakus A, Taslimi P. New 4-phenylpiperazine-carbodithioate-N-phenylacetamide hybrids: Synthesis, in vitro and in silico evaluations against cholinesterase and α-glucosidase enzymes. Arch Pharm (Weinheim) 2022; 355:e2100313. [PMID: 35132681 DOI: 10.1002/ardp.202100313] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 12/27/2021] [Accepted: 01/19/2022] [Indexed: 11/11/2022]
Abstract
A series of novel 4-phenylpiperazine-carbodithioate-N-phenylacetamide hybrids (6a-n) was designed, synthesized, and evaluated for their in vitro inhibitory activity against the metabolic enzymes, acetylcholinesterase (AChE), butyrylcholinesterase (BChE), and α-glucosidase. The obtained results showed that most of the synthesized compounds exhibited high to good anti-AChE and anti-BChE activity in the range of nanomolar concentrations in comparison to tacrine as a positive control. Molecular modeling of the most potent compounds 6e and 6i demonstrated that these compounds interacted with important residues of the AChE and BChE active sites. Moreover, all the newly synthesized compounds 6a-n had significant Ki values against α-glucosidase when compared with the positive control acarbose. Representatively, N-2-fluorophenylacetamide derivative 6l, with a Ki value of 0.98 nM as the most potent compound, was 126 times more potent than acarbose with a Ki value of 123.70 nM. This compound also fitted in the α-glucosidase active site and interacted with key residues. An in silico study of the druglikeness/absorption, distribution, metabolism, and excretion (ADME)/toxicity profile of the selected compounds 6e, 6i, and 6l predicts that these compounds are drug-like and have the appropriate properties in terms of ADME and toxicity.
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Affiliation(s)
- Maryam Mohammadi-Khanaposhtani
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Milad Nori
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Yousef Valizadeh
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Shahrzad Javanshir
- Department of Chemistry, Iran University of Science and Technology, Tehran, Iran
| | - Navid Dastyafteh
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Moaazam
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Bagher Larijani
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Hossein Adibi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahmood Biglar
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Haleh Hamedifar
- CinnaGen Medical Biotechnology Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Mohammad Mahdavi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Hamdi Kamci
- Department of Biotechnology, Faculty of Science, Bartin University, Bartin, Turkey
| | - Ahmet Karakus
- Department of Biotechnology, Faculty of Science, Bartin University, Bartin, Turkey
| | - Parham Taslimi
- Department of Biotechnology, Faculty of Science, Bartin University, Bartin, Turkey
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38
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Singh YP, Kumar N, Priya K, Chauhan BS, Shankar G, Kumar S, Singh GK, Srikrishna S, Garg P, Singh G, Rai G, Modi G. Exploration of Neuroprotective Properties of a Naturally Inspired Multifunctional Molecule (F24) against Oxidative Stress and Amyloid β Induced Neurotoxicity in Alzheimer's Disease Models. ACS Chem Neurosci 2022; 13:27-42. [PMID: 34931800 DOI: 10.1021/acschemneuro.1c00443] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
The pathological hallmarks of Alzheimer's disease (AD) are manifested as an increase in the level of oxidative stress and aggregation of the amyloid-β protein. In vitro, in vivo, and in silico experiments were designed and carried out with multifunctional cholinergic inhibitor, F24 (EJMC-7a) to explore its neuroprotective effects in AD models. The neuroprotection ability of F24 was tested in SH-SY5Y cells, a widely used neuronal cell line. The pretreatment and subsequent co-treatment of SH-SY5Y cells with different doses of F24 was effective in rescuing the cells from H2O2 induced neurotoxicity. F24 treated cells were found to be effective in the reduction of cellular reactive oxygen species, DNA damage, and Aβ1-42 induced neurotoxicity, which validated its neuroprotective effectiveness. F24 exhibited efficacy in an in vivo Drosophila model by rescuing eye phenotypes from degeneration caused by Aβ toxicity. Further, computational studies were carried out to monitor the interaction between F24 and Aβ1-42 aggregates. The computational studies corroborated our in vitro and in vivo studies suggesting Aβ1-42 aggregation modulation ability of F24. The brain entry ability of F24 was studied in the parallel artificial membrane permeability assay. Finally, F24 was tested at doses of 1 and 2.5 mg/kg in the Morris water maze AD model. The neuroprotective properties shown by F24 strongly suggest that multifunctional features of this molecule provide symptomatic relief and act as a disease-modifying agent in the treatment of AD. The results from our experiments strongly indicated that natural template-based F24 could serve as a lead molecule for further investigation to explore multifunctional therapeutic agents for AD management.
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Affiliation(s)
- Yash Pal Singh
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, India
| | - Navneet Kumar
- Department of Pharmacoinformatics, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S.A.S. Nagar, 160062 Punjab, India
| | - Khushbu Priya
- Department of Molecular and Human Genetics, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Brijesh Singh Chauhan
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Gauri Shankar
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, India
| | - Saroj Kumar
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Gireesh Kumar Singh
- Department of Pharmacy, School of Health Science, Central University of South Bihar, Gaya, 824236 Bihar, India
| | - Saripella Srikrishna
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Prabha Garg
- Department of Pharmacoinformatics, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S.A.S. Nagar, 160062 Punjab, India
| | - Gourav Singh
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, India
| | - Geeta Rai
- Department of Molecular and Human Genetics, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Gyan Modi
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, India
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39
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Haghighijoo Z, Zamani L, Moosavi F, Emami S. Therapeutic potential of quinazoline derivatives for Alzheimer's disease: A comprehensive review. Eur J Med Chem 2022; 227:113949. [PMID: 34742016 DOI: 10.1016/j.ejmech.2021.113949] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Revised: 10/02/2021] [Accepted: 10/22/2021] [Indexed: 12/24/2022]
Abstract
Quinazolines are considered as a promising class of bioactive heterocyclic compounds with broad properties. Particularly, the quinazoline scaffold has an impressive role in the design and synthesis of new CNS-active drugs. The drug-like properties and pharmacological characteristics of quinazoline could lead to different drugs with various targets. Among CNS disorders, Alzheimer's disease (AD) is a progressive neurodegenerative disorder with memory loss, cognitive decline and language dysfunction. AD is a complex and multifactorial disease therefore, the need for finding multi-target drugs against this devastative disease is urgent. A literature survey revealed that quinazoline derivatives have diverse therapeutic potential for AD as modulators/inhibitors of β-amyloid, tau protein, cholinesterases, monoamine oxidases, and phosphodiesterases as well as other protective effects. Thus, we describe here the most relevant and recent studies about anti-AD agents with quinazoline structure which can further aid the development and discovery of new anti-AD agents.
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Affiliation(s)
- Zahra Haghighijoo
- Department of Chemistry, University of Louisiana at Lafayette, Lafayette, LA, 70504, USA
| | - Leila Zamani
- Worcester Polytechnic Institute, 100 Institute Road, Worcester, MA, 01609, USA
| | - Fatemeh Moosavi
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Saeed Emami
- Department of Medicinal Chemistry and Pharmaceutical Sciences Research Center, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran.
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40
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Pan HY, Ye ZW, Zheng QW, Yun F, Tu MZ, Hong WG, Chen BX, Guo LQ, Lin JF. Ergothioneine exhibits longevity-extension effect in Drosophila melanogaster via regulation of cholinergic neurotransmission, tyrosine metabolism, and fatty acid oxidation. Food Funct 2022; 13:227-241. [PMID: 34877949 DOI: 10.1039/d1fo02758a] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Many studies have demonstrated the protective effect of ergothioneine (EGT), the unique sulfur-containing antioxidant found in mushrooms, on several aging-related diseases. Nevertheless, to date, no single study has explored the potential role of EGT in the lifespan of animal models. We show here that EGT consistently extends fly lifespan in diverse genetic backgrounds and both sexes, as well as in a dose and gender-dependent manner. Additionally, EGT is shown to increases the climbing activity of flies, enhance acetylcholinesterase (AchE) activity, and maintain the ratio of reduced glutathione (GSH) to oxidized glutathione (GSSG)of aged flies. The increase in lifespan by EGT is gut microorganism dependent. We proposed potential mechanisms of lifespan extension in Drosophila by EGT through RNA-seq analysis: preservation of the normal status of the central nervous system via the coordination of cholinergic neurotransmission, tyrosine metabolism, and peroxisomal proteins, regulation of autophagic activity by altering the lysosomal protein CTSD, and the preservation of normal mitochondrial function through controlled substrate feeding into the tricarboxylic acid (TCA) cycle, the major energy-yielding metabolic process in cells.
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Affiliation(s)
- Hong-Yu Pan
- College of Food Science & Institute of Food Biotechnology, South China Agricultural University, Guangzhou 510640, China. .,Research Center for Micro-Ecological Agent Engineering and Technology of Guangdong Province, Guangzhou 510640, China
| | - Zhi-Wei Ye
- College of Food Science & Institute of Food Biotechnology, South China Agricultural University, Guangzhou 510640, China. .,Research Center for Micro-Ecological Agent Engineering and Technology of Guangdong Province, Guangzhou 510640, China
| | - Qian-Wang Zheng
- College of Food Science & Institute of Food Biotechnology, South China Agricultural University, Guangzhou 510640, China. .,Research Center for Micro-Ecological Agent Engineering and Technology of Guangdong Province, Guangzhou 510640, China
| | - Fan Yun
- Guangzhou Alchemy Biotechnology Co., Guangzhou 510760, China
| | - Ming-Zhen Tu
- College of Food Science & Institute of Food Biotechnology, South China Agricultural University, Guangzhou 510640, China.
| | - Wei-Guo Hong
- College of Food Science & Institute of Food Biotechnology, South China Agricultural University, Guangzhou 510640, China.
| | - Bai-Xiong Chen
- College of Food Science & Institute of Food Biotechnology, South China Agricultural University, Guangzhou 510640, China. .,Research Center for Micro-Ecological Agent Engineering and Technology of Guangdong Province, Guangzhou 510640, China
| | - Li-Qiong Guo
- College of Food Science & Institute of Food Biotechnology, South China Agricultural University, Guangzhou 510640, China. .,Research Center for Micro-Ecological Agent Engineering and Technology of Guangdong Province, Guangzhou 510640, China
| | - Jun-Fang Lin
- College of Food Science & Institute of Food Biotechnology, South China Agricultural University, Guangzhou 510640, China. .,Research Center for Micro-Ecological Agent Engineering and Technology of Guangdong Province, Guangzhou 510640, China
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41
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The biological activities of butyrylcholinesterase inhibitors. Biomed Pharmacother 2021; 146:112556. [PMID: 34953393 DOI: 10.1016/j.biopha.2021.112556] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 12/08/2021] [Accepted: 12/19/2021] [Indexed: 11/23/2022] Open
Abstract
Acetylcholinesterase (AChE) inhibitor is the first choice for the treatment of Alzheimer's disease (AD), but it has some defects, such as dose limitation and unsatisfactory long-term treatment effect. Recent studies have shown that butyrylcholinesterase (BuChE) inhibitors or double acetyl and butyryl cholinesterase inhibitors have better curative effects on AD, and the side effects are lower than those of specific AChE inhibitors. Dual target cholinesterase inhibitors have become a new hotspot in the research of anti-AD drugs. Herein, the synthesis and bioactivities of BuChE inhibitors were reviewed.
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42
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Lopes JPB, Silva L, Lüdtke DS. An overview on the synthesis of carbohydrate-based molecules with biological activity related to neurodegenerative diseases. RSC Med Chem 2021; 12:2001-2015. [PMID: 35028560 PMCID: PMC8672812 DOI: 10.1039/d1md00217a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 09/07/2021] [Indexed: 01/18/2023] Open
Abstract
In the context of the search for multitarget drugs with improved efficacy against neurodegenerative disorders, carbohydrate derivatives have emerged as promising candidates for Alzheimer's therapy. Herein we describe the synthesis and biological evaluation of several classes of sugar-based compounds, where most of them contain heterocyclic aromatic moieties that bear known biological properties and high affinity for the cholinesterase active site. This general idea led to the synthesis of compounds with high inhibitory potency against acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE), enzymatic selectivity and combined properties such as antioxidant and neuroprotection, in addition to the absence of toxicity.
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Affiliation(s)
- João Paulo B Lopes
- Instituto de Química, Universidade Federal do Rio Grande do Sul Av. Bento, Gonçalves 9500, Campus do Vale 91501-970 Porto Alegre RS Brazil
| | - Luana Silva
- Instituto de Química, Universidade Federal do Rio Grande do Sul Av. Bento, Gonçalves 9500, Campus do Vale 91501-970 Porto Alegre RS Brazil
| | - Diogo S Lüdtke
- Instituto de Química, Universidade Federal do Rio Grande do Sul Av. Bento, Gonçalves 9500, Campus do Vale 91501-970 Porto Alegre RS Brazil
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43
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Nadeem MS, Khan JA, Rashid U. Fluoxetine and sertraline based multitarget inhibitors of cholinesterases and monoamine oxidase-A/B for the treatment of Alzheimer's disease: Synthesis, pharmacology and molecular modeling studies. Int J Biol Macromol 2021; 193:19-26. [PMID: 34687762 DOI: 10.1016/j.ijbiomac.2021.10.102] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 09/30/2021] [Accepted: 10/14/2021] [Indexed: 10/20/2022]
Abstract
For the potential therapy of Alzheimer's disease (AD), cholinesterases (ChE) and monoamine oxidase (MAO) are key enzymes that regulate the level of acetylcholinesterase (AChE)/butyrylcholinesterase (BChE) and monoamines. The aim of current research is the synthesis of multi-target compounds that can concomitantly inhibit ChEs and MAO. A series of fluoxetine and sertraline hybrids was designed and evaluated as multi-target inhibitors of ChEs and hMAO. In-vitro enzyme inhibition studies demonstrated that a number of compounds displayed excellent inhibition in submicromolar to nanomolar range. However, compounds 17, 22, 38-40 possess excellent concomitant inhibitory activity against ChEs and hMAO-A/B enzymes and thus emerged as optimal multi-target hybrids. In-vivo acute toxicity study showed the safety of synthesized compounds up to 2000 mg/kg dose. The examinations of brain tissue in Swiss albino mice suggested that selected most active MAO-B inhibitors 17 and 22 have a propensity to block the MAO-B activity that could be responsible for their neurodegenerative effect in mice. The in-vitro inhibitory manner of interaction of these multipotent compounds on all four targets were confirmed by molecular docking investigations.
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Affiliation(s)
- Muhammad Shahid Nadeem
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Jalaluddin Azam Khan
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Umer Rashid
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, 22060 Abbottabad, Pakistan.
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Javed MA, Ashraf N, Saeed Jan M, Mahnashi MH, Alqahtani YS, Alyami BA, Alqarni AO, Asiri YI, Ikram M, Sadiq A, Rashid U. Structural Modification, In Vitro, In Vivo, Ex Vivo, and In Silico Exploration of Pyrimidine and Pyrrolidine Cores for Targeting Enzymes Associated with Neuroinflammation and Cholinergic Deficit in Alzheimer's Disease. ACS Chem Neurosci 2021; 12:4123-4143. [PMID: 34643082 DOI: 10.1021/acschemneuro.1c00507] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
To obtain a multipotent framework that can target simultaneously COX-2, 5-LOX, acetylcholinesterase (AChE), and butyrylcholinesterase (BChE) to treat neuroinflammation, a series of derivatives containing pyrimidine and pyrrolidine cores were rationally synthesized and evaluated. Pyrazoline-pyrimidine hybrid (23g), (3-acetylcoumarin derivative of pyrrolidin-1-yl)benzenesulfonamide (27), and tacrine derivatives of (pyrrolidin-1-yl)benzenesulfonamide (31, 38) displayed excellent in vitro COX-2 inhibition having IC50 value in the nanomolar range. Tacrine-pyrrolidine hybrids 36 and 38, and tacrine-pyrimidine hybrid (46) emerged as the most potent eeAChE inhibitors with IC50 values of 23, 16, and 2 nM, respectively. However, compounds 27, 31, and 38 possessed excellent simultaneous and balanced inhibitory activity against all of the four tested targets and thus emerged as optimal multipotent hybrid compounds among all of the synthesized series of the compounds. In the ex vivo, transgenic animal models treated with compounds 36 and 46 displayed a significant decline in both AChE and BChE potentials in the hippocampus and cortical tissues. In anti-inflammatory activities, animals treated with compounds 36 and 46 displayed a significant % inhibition of edema induced by carrageenan and arachidonic acid. Biochemical analysis and histopathological examination of mice liver indicate that tacrine derivatives are devoid of hepatotoxicity and neurotoxicity against SH-SY5Y neuroblastoma cell lines. In vivo acute toxicity study showed the safety of synthesized compounds up to 1000 mg/kg dose. The inhibitory manner of interaction of these potent drugs on all of the studied in vitro targets was confirmed by molecular docking investigations.
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Affiliation(s)
- Muhammad Aamir Javed
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, 22060 Abbottabad, Pakistan
| | - Nighat Ashraf
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, 22060 Abbottabad, Pakistan
| | | | - Mater H. Mahnashi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, 1988 Najran, Saudi Arabia
| | - Yahya S. Alqahtani
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, 1988 Najran, Saudi Arabia
| | - Bandar A. Alyami
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, 1988 Najran, Saudi Arabia
| | - Ali O. Alqarni
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, 1988 Najran, Saudi Arabia
| | - Yahya I. Asiri
- Department of Pharmacology and Toxicology, College of Pharmacy, King Khalid University, 1882 Abha, Saudi Arabia
| | - Muhammad Ikram
- Department of Pharmacy, COMSATS University Islamabad, Abbottabad Campus, 22060 Abbottabad, KP, Pakistan
| | - Abdul Sadiq
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, 18000 Chakdara, Dir (L), KP, Pakistan
| | - Umer Rashid
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, 22060 Abbottabad, Pakistan
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Huperzine A and Its Neuroprotective Molecular Signaling in Alzheimer's Disease. Molecules 2021; 26:molecules26216531. [PMID: 34770940 PMCID: PMC8587556 DOI: 10.3390/molecules26216531] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/20/2021] [Accepted: 10/21/2021] [Indexed: 11/30/2022] Open
Abstract
Huperzine A (HupA), an alkaloid found in the club moss Huperzia serrata, has been used for centuries in Chinese folk medicine to treat dementia. The effects of this alkaloid have been attributed to its ability to inhibit the cholinergic enzyme acetylcholinesterase (AChE), acting as an acetylcholinesterase inhibitor (AChEI). The biological functions of HupA have been studied both in vitro and in vivo, and its role in neuroprotection appears to be a good therapeutic candidate for Alzheimer´s disease (AD). Here, we summarize the neuroprotective effects of HupA on AD, with an emphasis on its interactions with different molecular signaling avenues, such as the Wnt signaling, the pre- and post-synaptic region mechanisms (synaptotagmin, neuroligins), the amyloid precursor protein (APP) processing, the amyloid-β peptide (Aβ) accumulation, and mitochondrial protection. Our goal is to provide an integrated overview of the molecular mechanisms through which HupA affects AD.
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Han J, Du Z, Lim MH. Mechanistic Insight into the Design of Chemical Tools to Control Multiple Pathogenic Features in Alzheimer's Disease. Acc Chem Res 2021; 54:3930-3940. [PMID: 34606227 DOI: 10.1021/acs.accounts.1c00457] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Alzheimer's disease (AD) is the most common form of dementia and is characterized by memory loss and cognitive decline. Approximately 50 million people worldwide are suffering from AD and related dementias. Very recently, the first new drug targeting amyloid-β (Aβ) aggregates has been approved by the United States Food and Drug Administration, but its efficacy against AD is still debatable. Other available treatments temporarily relieve the symptoms of AD. The difficulty in discovering effective therapeutics for AD originates from its complicated nature, which results from the interrelated pathogenic pathways led by multiple factors. Therefore, to develop potent disease-modifying drugs, multiple pathological features found in AD should be fully elucidated.Our laboratory has been designing small molecules as chemical tools to investigate the individual and interrelated pathologies triggered by four pathogenic elements found in the AD-affected brain: metal-free Aβ, metal-bound Aβ, reactive oxygen species (ROS), and acetylcholinesterase (AChE). Aβ peptides are partially folded and aggregate into oligomers, protofibrils, and fibrils. Aβ aggregates are considered to be neurotoxic, causing membrane disruption, aberrant cellular signaling, and organelle dysfunction. In addition, highly concentrated metal ions accumulate in senile plaques mainly composed of Aβ aggregates, which indicates that metal ions can directly interact with Aβ. Metal binding to Aβ affects the aggregation and conformation of the peptide. Moreover, the impaired homeostasis of redox-active Fe(II/III) and Cu(I/II) induces the overproduction of ROS through Fenton chemistry and Fenton-like reactions, respectively. Dysregulated ROS prompt oxidative-stress-damaging biological components such as lipids, proteins, and nucleic acids and, consequently, lead to neuronal death. Finally, the loss of cholinergic transmission mediated by the neurotransmitter acetylcholine (ACh) contributes to cognitive deficits observed in AD.In this Account, we illustrate the design principles for small-molecule-based chemical tools with reactivities against metal-free Aβ, metal-bound Aβ, ROS, and AChE. More importantly, mechanistic details at the molecular level are highlighted with some examples of chemical tools that were developed by our group. The aggregation of metal-free Aβ can be modulated by modifying amino acid residues responsible for self-assembling Aβ or disassembling preformed fibrils. To alter the aggregation and cytotoxicity profiles of metal-bound Aβ, ternary complexation, metal chelation, and modifications onto metal-binding residues can be effective tactics. The presence and production of ROS are able to be controlled by small molecules with antioxidant and metal-binding properties. Finally, inhibiting substrate access or substrate binding at the active site of AChE can diminish its activity, which restores the levels of ACh. Overall, our rational approaches demonstrate the feasibility of developing small molecules as chemical tools that can target and modulate multiple pathological factors associated with AD and can be useful for gaining a greater understanding of the multifaceted pathology of the disease.
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Affiliation(s)
- Jiyeon Han
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Zhi Du
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Mi Hee Lim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
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Abdulkadir TS, Dawud FA, Isa AS, Ayo JO. Taurine and Camel Milk Modulate Neurobehavioral and Biochemical Changes in Aluminum Chloride-Induced Alzheimer's Disease in Rats. J Alzheimers Dis 2021; 84:291-302. [PMID: 34542066 DOI: 10.3233/jad-210130] [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: 11/15/2022]
Abstract
BACKGROUND Alzheimer's disease (AD) is a neurodegenerative disease associated with deficiency in motor coordination, cognitive impairment, and excessive reactive oxygen species production in the brain. OBJECTIVE The study evaluated effects of taurine and camel milk (CM) on neurobehavior, amyloid-beta peptide 1-42 (Aβ) expression, acetylcholinesterase, and superoxide dismutase activities in aluminum chloride (AlCl3) model of Alzheimer's disease in rats. METHODS Thirty-five female Wistar rats were divided into seven groups (n = 5): Normal saline (0.2 mL/kg body weight); AlCl3 (100 mg/kg) (AD); CM (33 mL/kg); Taurine (50 mg/kg); AlCl3 (100 mg/kg) + CM (33 mL/kg); AlCl3 (100 mg/kg) + Taurine (50 mg/kg); and AlCl3 (100 mg/kg) + CM (33 mL/kg) + Taurine (50 mg/kg). The administration lasted for eight weeks via oral gavage. After the eighth week, neurobehavior assessments were performed. Rats were sacrificed, and brain and blood samples collected for analysis. RESULTS There was a significant (p < 0.0001) increase in the duration of motor endurance in AD + CM rats, compared to AD rats. Duration of forced swimming time was lowest (p < 0.0001) in AlCl3 + Taurine rats, compared to that of AD rats. Concentration of Aβ peptide decreased (p < 0.05) in AD rats, treated with CM and/or combination. In taurine-treated rats, superoxide dismutase activity was significantly (p < 0.05) higher than in AD rats. Treatment with taurine + CM increased (p < 0.05) acetylcholinesterase activity compared to controls. CONCLUSION Taurine and CM enhanced cognition and sensorimotor activity by decreasing Aβ peptide concentration and increasing superoxide dismutase and acetylcholinesterase activities in AD rats.
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Affiliation(s)
- Teslim S Abdulkadir
- Department of Human Physiology, Faculty of Basic Medical Sciences, Ahmadu Bello University, Zaria, Nigeria
| | - Fatima A Dawud
- Department of Human Physiology, Faculty of Basic Medical Sciences, Ahmadu Bello University, Zaria, Nigeria
| | - Ahmed Sherif Isa
- Department of Human Physiology, Faculty of Basic Medical Sciences, Ahmadu Bello University, Zaria, Nigeria
| | - Joseph O Ayo
- Department of Veterinary Physiology, Faculty of Veterinary Medicine, Ahmadu Bello University, Zaria, Nigeria
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Zambrano P, Suwalsky M, Jemiola-Rzeminska M, Gallardo-Nelson MJ, Strzalka K, Muñoz-Torrero D. Protective Role of a Donepezil-Huprine Hybrid against the β-Amyloid (1-42) Effect on Human Erythrocytes. Int J Mol Sci 2021; 22:ijms22179563. [PMID: 34502472 PMCID: PMC8431064 DOI: 10.3390/ijms22179563] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 08/27/2021] [Accepted: 08/31/2021] [Indexed: 12/17/2022] Open
Abstract
Aβ(1-42) peptide is a neurotoxic agent strongly associated with the etiology of Alzheimer's disease (AD). Current treatments are still of very low effectiveness, and deaths from AD are increasing worldwide. Huprine-derived molecules have a high affinity towards the enzyme acetylcholinesterase (AChE), act as potent Aβ(1-42) peptide aggregation inhibitors, and improve the behavior of experimental animals. AVCRI104P4 is a multitarget donepezil-huprine hybrid that improves short-term memory in a mouse model of AD and exerts protective effects in transgenic Caenorhabditis elegans that express Aβ(1-42) peptide. At present, there is no information about the effects of this compound on human erythrocytes. Thus, we considered it important to study its effects on the cell membrane and erythrocyte models, and to examine its protective effect against the toxic insult induced by Aβ(1-42) peptide in this cell and models. This research was developed using X-ray diffraction and differential scanning calorimetry (DSC) on molecular models of the human erythrocyte membrane constituted by lipid bilayers built of dimyristoylphosphatidylcholine (DMPC) and dimyristoylphosphatidylethanolamine (DMPE). They correspond to phospholipids representative of those present in the external and internal monolayers, respectively, of most plasma and neuronal membranes. The effect of AVCRI104P4 on human erythrocyte morphology was studied by scanning electron microscopy (SEM). The experimental results showed a protective effect of AVCRI104P4 against the toxicity induced by Aβ(1-42) peptide in human erythrocytes and molecular models.
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Affiliation(s)
- Pablo Zambrano
- Facultad de Ciencias Químicas, Universidad de Concepción, Concepción 4030000, Chile
- Correspondence: ; Tel.: +49-89-8578-2374
| | - Mario Suwalsky
- Facultad de Medicina, Universidad Católica de la Santísima Concepción, Concepción 4030000, Chile;
| | - Malgorzata Jemiola-Rzeminska
- Malopolska Centre of Biotechnology, Jagiellonian University, 30-387 Kraków, Poland; (M.J.-R.); (K.S.)
- Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 30-387 Kraków, Poland
| | | | - Kazimierz Strzalka
- Malopolska Centre of Biotechnology, Jagiellonian University, 30-387 Kraków, Poland; (M.J.-R.); (K.S.)
- Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 30-387 Kraków, Poland
| | - Diego Muñoz-Torrero
- Laboratory of Medicinal Chemistry (CSIC Associated Unit), Faculty of Pharmacy and Food, Sciences, University of Barcelona (UB), E-08028 Barcelona, Spain;
- Institute of Biomedicine (IBUB), University of Barcelona (UB), E-08028 Barcelona, Spain
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Naringin Ameliorates Cognitive Impairment in Streptozotocin/Nicotinamide Induced Type 2 Diabetes in Wistar Rats via inhibition of Inflammation and Acetylcholinesterase Activity. PHYSIOLOGY AND PHARMACOLOGY 2021. [DOI: 10.52547/phypha.26.1.10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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50
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Ahuja-Casarín AI, Merino-Montiel P, Vega-Baez JL, Montiel-Smith S, Fernandes MX, Lagunes I, Maya I, Padrón JM, López Ó, Fernández-Bolaños JG. Tuning the activity of iminosugars: novel N-alkylated deoxynojirimycin derivatives as strong BuChE inhibitors. J Enzyme Inhib Med Chem 2021; 36:138-146. [PMID: 33228403 PMCID: PMC7717699 DOI: 10.1080/14756366.2020.1847101] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
We have designed unprecedented cholinesterase inhibitors based on 1-deoxynojirimycin as potential anti-Alzheimer’s agents. Compounds are comprised of three key structural motifs: the iminosugar, for interaction with cholinesterase catalytic anionic site (CAS); a hydrocarbon tether with variable lengths, and a fragment derived from 2-phenylethanol for promoting interactions with peripheral anionic site (PAS). Title compounds exhibited good selectivity towards BuChE, strongly depending on the substitution pattern and the length of the tether. The lead compounds were found to be strong mixed inhibitors of BuChE (IC50 = 1.8 and 1.9 µM). The presumptive binding mode of the lead compound was analysed using molecular docking simulations, revealing H-bond interactions with the catalytic subsite (His438) and CAS (Trp82 and Glu197) and van der Waals interactions with PAS (Thr284, Pro285, Asn289). They also lacked significant antiproliferative activity against tumour and non-tumour cells at 100 µM, making them promising new agents for tackling Alzheimer’s disease through the cholinergic approach.
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Affiliation(s)
- Ana I Ahuja-Casarín
- Facultad de Ciencias Químicas, Ciudad Universitaria, Benemérita Universidad Autónoma de Puebla, Puebla, México
| | - Penélope Merino-Montiel
- Facultad de Ciencias Químicas, Ciudad Universitaria, Benemérita Universidad Autónoma de Puebla, Puebla, México
| | - José Luis Vega-Baez
- Facultad de Ciencias Químicas, Ciudad Universitaria, Benemérita Universidad Autónoma de Puebla, Puebla, México
| | - Sara Montiel-Smith
- Facultad de Ciencias Químicas, Ciudad Universitaria, Benemérita Universidad Autónoma de Puebla, Puebla, México
| | - Miguel X Fernandes
- BioLab, Instituto Universitario de Bio-Orgánica "Antonio González" (IUBO-AG), Universidad de La Laguna, La Laguna, Spain
| | - Irene Lagunes
- BioLab, Instituto Universitario de Bio-Orgánica "Antonio González" (IUBO-AG), Universidad de La Laguna, La Laguna, Spain
| | - Inés Maya
- Departamento de Química Orgánica, Facultad de Química, Universidad de Sevilla, Seville, Spain
| | - José M Padrón
- BioLab, Instituto Universitario de Bio-Orgánica "Antonio González" (IUBO-AG), Universidad de La Laguna, La Laguna, Spain
| | - Óscar López
- Departamento de Química Orgánica, Facultad de Química, Universidad de Sevilla, Seville, Spain
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