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Jerom JP, Jalal A, Sajan AL, Soman R, Nair RH, Narayanan SP. In-vitro Neuro-2a cytotoxicity analysis and molecular docking investigation on potential anti-amyloid agents from Adiantum lunulatum. Heliyon 2024; 10:e38127. [PMID: 39381205 PMCID: PMC11458992 DOI: 10.1016/j.heliyon.2024.e38127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2024] [Revised: 08/22/2024] [Accepted: 09/18/2024] [Indexed: 10/10/2024] Open
Abstract
In neurodegenerative diseases, amyloid formation by some proteins cause neuronal damage and loss. To prevent this neuronal damage and loss certain pharmaceuticals are available. Many of these pharmaceuticals act on the neurodegenerative disease symptoms but not on the root cause. This study helps to detect more effective agents which directly act on the root cause and reduce the risk of neurodegenerative diseases. To identify new anti-amyloid agents, the folk medicinally important plant Adiantum lunulatum was collected, authenticated, dried, extracted with ethanol and analyzed by GC-MS method. The screening of the identified phytochemicals was done using the webservers swissADME and ProTox-II. In-vitro MTT assay using Neuro-2a cell lines was carried out to determine the cytotoxicity of the extract. The interactions of these phytochemicals with the amyloid forming peptides and proteins were predicted using the molecular docking tools such as AutoDock Vina and BIOVIA discovery studio visualizer 2020. Through GC-MS analysis, 18 different volatile phytochemicals were identified from the ethanol extract. From this, 7 phytochemicals were selected based on the computational non-toxicity prediction. In-vitro cytotoxicity analysis of the ethanol extract using Neuro-2a cell lines detected the IC50 value of 0.09 mg/ml. Of these, the phytochemical P1 (trans, trans-9, 12-Octadecadienoic acid, propyl ester) interacts with tau, and huntingtin proteins, P2 (2-Pentadecanone, 6, 10, 14-trimethyl-) interacts with prion protein. The phytochemicals P1, P3 (Ethyl oleate), P4 (Octadecanoic acid, ethyl ester), and P5 (Phytol) interact with acetylcholinesterase. P2, P4, P5 and P6 (Henicosanal), interact with BACE-1. The phytochemical P3 interacts with γ- Secretase. The interaction of P2 and P5 with BACE-1 and P3 with γ- Secretase show better inhibition in inhibitory constant (K i ) analysis. These phytochemicals have been predicted to show significant potential against the formation or breakdown of peptide/protein amyloids, and further in-vitro studies are necessary to develop them into anti-amyloid agents.
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Affiliation(s)
| | - Ajmal Jalal
- School of Biosciences, Mahatma Gandhi University, Kottayam, 686560, Kerala, India
| | - Ann Liya Sajan
- School of Biosciences, Mahatma Gandhi University, Kottayam, 686560, Kerala, India
| | - Reshma Soman
- School of Biosciences, Mahatma Gandhi University, Kottayam, 686560, Kerala, India
| | | | - Sunilkumar Puthenpurackal Narayanan
- NMR Facility, Institute for Integrated Programmes and Research in Basic Sciences. Mahatma Gandhi University, Kottayam, 686560, Kerala, India
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Szustak M, Korkus E, Madaj R, Chworos A, Dąbrowski G, Czaplicki S, Tabandeh E, Maciejewska G, Koziołkiewicz M, Konopka I, Gliszczyńska A, Gendaszewska-Darmach E. Lysophosphatidylcholines Enriched with cis and trans Palmitoleic Acid Regulate Insulin Secretion via GPR119 Receptor. ACS Med Chem Lett 2024; 15:197-204. [PMID: 38352825 PMCID: PMC10860191 DOI: 10.1021/acsmedchemlett.3c00263] [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: 06/19/2023] [Revised: 12/17/2023] [Accepted: 12/21/2023] [Indexed: 02/16/2024] Open
Abstract
Among lipids, lysophosphatidylcholines (LPCs) with various fatty acyl chains have been identified as potential agonists of G protein-coupled receptors (GPCRs). Recently, targeting GPCRs has been switched to diabetes and obesity. Concomitantly, our last findings indicate the insulin secretagogue properties of cis and trans palmitoleic acid (16:1, n-7) resulting from GPCR activation, however, associated with different signaling pathways. We here report the synthesis of LPCs bearing two geometrical isomers of palmitoleic acids and investigation of their impact on human pancreatic β cells viability, insulin secretion, and activation of four GPCRs previously demonstrated to be targeted by free fatty acids and LPCs. Moreover, molecular modeling was exploited to investigate the probable binding sites of tested ligands and calculate their affinity toward GPR40, GPR55, GPR119, and GPR120 receptors.
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Affiliation(s)
- Marcin Szustak
- Faculty
of Biotechnology and Food Sciences, Institute of Molecular and Industrial
Biotechnology, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Lodz, Poland
| | - Eliza Korkus
- Faculty
of Biotechnology and Food Sciences, Institute of Molecular and Industrial
Biotechnology, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Lodz, Poland
| | - Rafal Madaj
- Division
of Bioorganic Chemistry Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza, 112, 90-363 Lodz, Poland
- Institute
of Evolutionary Biology, Faculty of Biology, Biological and Chemical
Research Centre, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Arkadiusz Chworos
- Division
of Bioorganic Chemistry Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza, 112, 90-363 Lodz, Poland
| | - Grzegorz Dąbrowski
- Faculty
of Food Sciences, Chair of Plant Food Chemistry and Processing, University of Warmia and Mazury in Olsztyn, Pl. Cieszyński 1, 10-957 Olsztyn, Poland
| | - Sylwester Czaplicki
- Faculty
of Food Sciences, Chair of Plant Food Chemistry and Processing, University of Warmia and Mazury in Olsztyn, Pl. Cieszyński 1, 10-957 Olsztyn, Poland
| | - Erfan Tabandeh
- Faculty
of Biotechnology and Food Sciences, Institute of Molecular and Industrial
Biotechnology, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Lodz, Poland
| | - Gabriela Maciejewska
- Central
Laboatory of the Instrumental Analysis, Wroclaw University of Technology, Wybrzeze Wyspianskiego 27, Wroclaw 50-370, Poland
| | - Maria Koziołkiewicz
- Faculty
of Biotechnology and Food Sciences, Institute of Molecular and Industrial
Biotechnology, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Lodz, Poland
| | - Iwona Konopka
- Faculty
of Food Sciences, Chair of Plant Food Chemistry and Processing, University of Warmia and Mazury in Olsztyn, Pl. Cieszyński 1, 10-957 Olsztyn, Poland
| | - Anna Gliszczyńska
- Department
of Food Chemistry and Biocatalysis, Wroclaw
University of Environmental and Life Sciences, Norwida 25, 50-375 Wrocław, Poland
| | - Edyta Gendaszewska-Darmach
- Faculty
of Biotechnology and Food Sciences, Institute of Molecular and Industrial
Biotechnology, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Lodz, Poland
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Huang X, Wang YJ, Xiang Y. Bidirectional communication between brain and visceral white adipose tissue: Its potential impact on Alzheimer's disease. EBioMedicine 2022; 84:104263. [PMID: 36122553 PMCID: PMC9490488 DOI: 10.1016/j.ebiom.2022.104263] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 08/21/2022] [Accepted: 08/24/2022] [Indexed: 11/20/2022] Open
Abstract
A variety of axes between brain and abdominal organs have been reported, but the interaction between brain and visceral white adipose tissue (vWAT) remains unclear. In this review, we summarized human studies on the association between brain and vWAT, and generalized their interaction and the underlying mechanisms according to animal and cell experiments. On that basis, we come up with the concept of the brain-vWAT axis (BVA). Furthermore, we analyzed the potential mechanisms of involvement of BVA in the pathogenesis of Alzheimer's disease (AD), including vWAT-derived fatty acids, immunological properties of vWAT, vWAT-derived retinoic acid and vWAT-regulated insulin resistance. The proposal of BVA may expand our understanding to some extent of how the vWAT impacts on brain health and diseases, and provide a novel approach to study the pathogenesis and treatment strategies of neurodegenerative disorders.
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