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Pourparizi A, Vazirinia M, Pourrajab F, Nadri H, Davood A. New synthetic derivatives of isoindoline-dione: synthesis, neuroprotection assay and impact on the expression level of oxidative stress-related genes in neuronal-like cell line. J Recept Signal Transduct Res 2023; 43:123-132. [PMID: 38270433 DOI: 10.1080/10799893.2023.2291559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 11/15/2023] [Indexed: 01/26/2024]
Abstract
PURPOSE Oxidative stress can damage cells and cause age-related illnesses such as Alzheimer's, Parkinson's, and Huntington's. This study looked at newly synthesized isoindole derivatives and their effects on SH-SY5Y as a neuroblastoma cell under oxidative stress through the NRF2 signaling pathway. NRF2 transcription factor plays a vital role in the oxidative stress response and cellular homeostasis. METHOD Three isoindoline-dione derivatives were synthesized by reacting phthalic anhydrides with 4-(2-aminoethyl)-1-benzyl piperidine. Their structures were confirmed through FT-IR, NMR, and Mass spectroscopy. The derivatives were then tested on human SH-SY5Y cells under an oxidative stress model induced by hydrogen peroxide (H2O2). The cell viability, ROS levels, protein carbonyl content, and gene expression of NRF2 and phase II antioxidative enzymes were measured after 24 h. RESULTS Three isoindoline derivatives (3a-3c) were observed to increase the viability of SH-SY5Y cells by protective against oxidative stress, reducing intracellular reactive oxygen species and carbonylated proteins, and increasing gene expression levels of NRF2 and associated genes such as NQO-1, and GSTK1. CONCLUSION Isoindoline derivatives demonstrated a neuroprotective effect on SH-SY5Y cells through various neuroprotective mechanisms, although more studies are needed.
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Affiliation(s)
- Abdolrahim Pourparizi
- Department of Clinical Biochemistry, School of Medicine, Shahid Sadoughi University of Medical Sciences and Health Services, Yazd, Iran
| | - Mina Vazirinia
- Department of Medicinal Chemistry, Faculty of Pharmaceutical Sciences, Tehran Islamic Azad Medical Sciences University, Tehran, Iran
| | - Fatemeh Pourrajab
- Reproductive Immunology Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Hamid Nadri
- Department of Medicinal Chemistry, Faculty of Pharmacy, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Asghar Davood
- Department of Medicinal Chemistry, Faculty of Pharmaceutical Sciences, Tehran Islamic Azad Medical Sciences University, Tehran, Iran
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Rubab SL, Raza AR, Nisar B, Ashfaq M, Altaf Y, Hussain R, Sajjad N, Akram MS, Tahir MN, Shaheen MA, Rehman MFU, Ali HM. Synthesis, Crystal Structure, DFT Calculations, Hirshfeld Surface Analysis and In Silico Drug-Target Profiling of ( R)-2-(2-(1,3-Dioxoisoindolin-2-yl)propanamido)benzoic Acid Methyl Ester. Molecules 2023; 28:molecules28114375. [PMID: 37298851 DOI: 10.3390/molecules28114375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 03/22/2023] [Accepted: 03/27/2023] [Indexed: 06/12/2023] Open
Abstract
The work here reflects synthesis, DFT studies, Hirshfeld charge analysis and crystal data exploration of pharmacologically important (R)-2-(2-(1,3-dioxoisoindolin-2-yl)propanamido)benzoic acid methyl ester (5) to understand its properties for further chemical transformations. The methyl anthranilate (2) was produced by the esterification of anthranilic acid in an acidic medium. The phthaloyl-protected alanine (4) was rendered by the fusion of alanine with phthalic anhydride at 150 °C, followed by coupling with (2) furnished isoindole (5). The characterization of products was performed using IR, UV-Vis, NMR and MS. Single-crystal XRD also verified the structure of (5) in which N-H⋯O bonding stabilizes the molecular configuration of (5), resulting in the formation of S(6) hydrogen-bonded loop. The molecules of isoindole (5) are connected in the form of dimers, and the π⋯π stacking interaction between aromatic rings further stabilizes the crystal packing. DFT studies suggest that HOMO is over the substituted aromatic ring, the LUMO is present mainly over the indole side, and nucleophilic and electrophilic corners point out the reactivity of the product (5). In vitro and in silico analysis of (5) shows its potential as an antibacterial agent targeting DNA gyrase and Dihydroorotase from E. coli and tyrosyl-tRNA synthetase and DNA gyrase from Staphylococcus aureus.
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Affiliation(s)
- Syeda Laila Rubab
- Department of Chemistry, Division of Science and Technology, University of Education, Lahore 54770, Pakistan
| | - Abdul Rauf Raza
- Institute of Chemistry, Ibn e Sena Block, University of Sargodha, Sargodha 40100, Pakistan
| | - Bushra Nisar
- Department of Chemistry, The University of Lahore, Sargodha Campus, Sargodha 40100, Pakistan
| | - Muhammad Ashfaq
- Department of Physics, University of Sargodha, Sargodha 40100, Pakistan
| | - Yasir Altaf
- Department of Chemistry, Division of Science and Technology, University of Education, Lahore 54770, Pakistan
- School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington 6140, New Zealand
| | - Riaz Hussain
- Department of Chemistry, Division of Science and Technology, University of Education, Lahore 54770, Pakistan
| | - Noreen Sajjad
- Department of Chemistry, The University of Lahore, Lahore 54770, Pakistan
| | | | | | | | | | - Hayssam M Ali
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
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Aleqsanyan IL, Hambardzumyan LP. Synthesis of Schiff Bases and Isoindolyl- and Thiazolyl-Substituted Quinolines from 6-Amino-2-methylquinolin-4-ol. Russ J Org Chem 2022; 58. [PMCID: PMC9749625 DOI: 10.1134/s1070428022100086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Reactions of 6-amino-2-methylquinolin-4-ol with salicylaldehyde, phthalic anhydride, phenyl isothiocyanate, and ammonium thiocyanate afforded 6-[(2-hydroxybenzylidene)amino]-2-methylquinolin-4-ol, 2-(4-hydroxy-2-methylquinolin-6-yl)-1H-isoindole-1,3(2H)-dione, N-(4-hydroxy-2-methylquinolin-6-yl)-N′-phenylthiourea, and 1-(4-hydroxy-2-methylquinolin-6-yl)thiourea, respectively. Heterocyclizations of the latter with ethyl bromoacetate and bromacetophenone led to the formation of 2-[(4-hydroxy-2-methylquinolin-6-yl)imino]-1,3-thiazolidin-4-one and 2-methyl-6-[(4-phenyl-1,3-thiazol-2(3H)-ylidene)amino]quinolin-4-ol, respectively.
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Todorovic M, Schwab KD, Zeisler J, Zhang C, Bénard F, Perrin DM. Fluorescent Isoindole Crosslink (FlICk) Chemistry: A Rapid, User-friendly Stapling Reaction. Angew Chem Int Ed Engl 2019; 58:14120-14124. [PMID: 31211905 DOI: 10.1002/anie.201906514] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Indexed: 12/14/2022]
Abstract
The stabilization of peptide secondary structure via stapling is a ubiquitous goal for creating new probes, imaging agents, and drugs. Inspired by indole-derived crosslinks found in natural peptide toxins, we employed ortho-phthalaldehydes to create isoindole staples, thus transforming inactive linear and monocyclic precursors into bioactive monocyclic and bicyclic products. Mild, metal-free conditions give an array of macrocyclic α-melanocyte-stimulating hormone (α-MSH) derivatives, of which several isoindole-stapled α-MSH analogues (Ki ≈1 nm) are found to be as potent as α-MSH. Analogously, late-stage intra-annular isoindole stapling furnished a bicyclic peptide mimic of α-amanitin that is cytotoxic to CHO cells (IC50 =70 μm). Given its user-friendliness, we have termed this approach FlICk (fluorescent isoindole crosslink) chemistry.
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Affiliation(s)
- Mihajlo Todorovic
- Chemistry Department, UBC, 2036 Main Mall, Vancouver, B.C., V6T1Z1, Canada
| | - Katerina D Schwab
- Chemistry Department, UBC, 2036 Main Mall, Vancouver, B.C., V6T1Z1, Canada
| | - Jutta Zeisler
- B.C. Cancer Agency Research Centre, 675 West 10th Avenue, Vancouver, BC, V5Z 1L3, Canada
| | - Chengcheng Zhang
- B.C. Cancer Agency Research Centre, 675 West 10th Avenue, Vancouver, BC, V5Z 1L3, Canada
| | - Francois Bénard
- B.C. Cancer Agency Research Centre, 675 West 10th Avenue, Vancouver, BC, V5Z 1L3, Canada
| | - David M Perrin
- Chemistry Department, UBC, 2036 Main Mall, Vancouver, B.C., V6T1Z1, Canada
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Van Overtveldt M, Braem L, Struk S, Kaczmarek AM, Boyer FD, Van Deun R, Gevaert K, Goormachtig S, Heugebaert TSA, Stevens CV. Design and visualization of second-generation cyano isoindole-based fluorescent strigolactone analogs. Plant J 2019; 98:165-180. [PMID: 30552776 DOI: 10.1111/tpj.14197] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2018] [Revised: 11/22/2018] [Accepted: 12/04/2018] [Indexed: 06/09/2023]
Abstract
Strigolactones (SLs) are a family of terpenoid allelochemicals that were recognized as plant hormones only a decade ago. They influence a myriad of both above- and below-ground developmental processes, and are an important survival strategy for plants in nutrient-deprived soils. A rapidly emerging approach to gain knowledge on hormone signaling is the use of traceable analogs. A unique class of labeled SL analogs was constructed, in which the original tricyclic lactone moiety of natural SLs is replaced by a fluorescent cyanoisoindole ring system. Biological evaluation as parasitic seed germination stimulant and hypocotyl elongation repressor proved the potency of the cyanoisoindole strigolactone analogs (CISAs) to be comparable to the commonly accepted standard GR24. Additionally, via a SMXL6 protein degradation assay, we provided molecular evidence that the compounds elicit SL-like responses through the natural signaling cascade. All CISAs were shown to exhibit fluorescent properties, and the high quantum yield and Stokes shift of the pyrroloindole derivative CISA-7 also enabled in vivo visualization in plants. In contrast to the previously reported fluorescent analogs, CISA-7 displays a large similarity in shape and structure with natural SLs, which renders the analog a promising tracer to investigate the spatiotemporal distribution of SLs in plants and fungi.
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Affiliation(s)
- Melissa Van Overtveldt
- SynBioC Research Group, Department of Green Chemistry and Technology, Campus Coupure, Ghent University, Coupure Links 653, 9000, Ghent, Belgium
| | - Lukas Braem
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Technologiepark 927, 9052, Ghent, Belgium
- Center for Plant Systems Biology, VIB, Technologiepark 927, 9052, Ghent, Belgium
- Department of Biochemistry, Ghent University, Albert Baertsoenkaai 3, 9000, Ghent, Belgium
- Center for Medical Biotechnology, VIB, Albert Baertsoenkaai 3, 9000, Ghent, Belgium
| | - Sylwia Struk
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Technologiepark 927, 9052, Ghent, Belgium
- Center for Plant Systems Biology, VIB, Technologiepark 927, 9052, Ghent, Belgium
| | - Anna M Kaczmarek
- Luminescent Lanthanide Lab, Department of Chemistry, Ghent University, Krijgslaan 281 - S3, 9000, Ghent, Belgium
| | - François-Didier Boyer
- Institut Jean-Pierre Bourgin, INRA, AgroParisTech, CNRS, Université Paris-Saclay, RD10, 78026, Versailles, France
- Institut de Chimie des Substances Naturelles, CNRS UPR2301, Univ. Paris-Sud, Université Paris-Saclay, 1 Avenue de la Terrasse, 91198, Gif-sur-Yvette, France
| | - Rik Van Deun
- Luminescent Lanthanide Lab, Department of Chemistry, Ghent University, Krijgslaan 281 - S3, 9000, Ghent, Belgium
| | - Kris Gevaert
- Department of Biochemistry, Ghent University, Albert Baertsoenkaai 3, 9000, Ghent, Belgium
- Center for Medical Biotechnology, VIB, Albert Baertsoenkaai 3, 9000, Ghent, Belgium
| | - Sofie Goormachtig
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Technologiepark 927, 9052, Ghent, Belgium
- Center for Plant Systems Biology, VIB, Technologiepark 927, 9052, Ghent, Belgium
| | - Thomas S A Heugebaert
- SynBioC Research Group, Department of Green Chemistry and Technology, Campus Coupure, Ghent University, Coupure Links 653, 9000, Ghent, Belgium
| | - Christian V Stevens
- SynBioC Research Group, Department of Green Chemistry and Technology, Campus Coupure, Ghent University, Coupure Links 653, 9000, Ghent, Belgium
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Bassin JP, Anagani B, Benham C, Goyal M, Hashemian M, Gerhard U. Synthesis and Spectral Characterization of Benzo-[6,7][1,5]diazocino[2,1-a]isoindol-12-(14H)-one Derivatives. Molecules 2016; 21:molecules21080967. [PMID: 27455232 PMCID: PMC6274267 DOI: 10.3390/molecules21080967] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 07/19/2016] [Accepted: 07/20/2016] [Indexed: 01/08/2023] Open
Abstract
A simple synthetic route affording 27%–85% yields of benzo[6,7][1,5]diazocino[2,1-a]isoindol-12(14H)-one ring systems from readily available 3-(2-oxo-2-phenylethyl) isobenzofuran-1(3H)-ones and 2-(aminomethyl)aniline starting materials in toluene and catalysed by p-toluene-sulfonic acid is developed. The 1H- and 13C-NMR spectra of the final products were assigned using a variety of one and two-dimensional NMR experiments. The distinction between the two potential isomers of the final products was made on the basis of heteronuclear multiple bond connectivity (HMBC) NMR spectra.
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Affiliation(s)
- Jatinder P Bassin
- School of Life and Medical Sciences, University of Hertfordshire, Hatfield AL10 9AB, UK.
| | - Bhavani Anagani
- School of Life and Medical Sciences, University of Hertfordshire, Hatfield AL10 9AB, UK.
| | - Christopher Benham
- School of Life and Medical Sciences, University of Hertfordshire, Hatfield AL10 9AB, UK.
| | - Madhu Goyal
- School of Life and Medical Sciences, University of Hertfordshire, Hatfield AL10 9AB, UK.
| | - Maryam Hashemian
- School of Life and Medical Sciences, University of Hertfordshire, Hatfield AL10 9AB, UK.
| | - Ute Gerhard
- School of Life and Medical Sciences, University of Hertfordshire, Hatfield AL10 9AB, UK.
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Abstract
This review highlights the chemical and biological aspects of natural products containing an oxidized or reduced isoindole skeleton. This motif is found in its intact or modified form in indolocarbazoles, macrocyclic polyketides (cytochalasan alkaloids), the aporhoeadane alkaloids, meroterpenoids from Stachybotrys species and anthraquinone-type alkaloids. Concerning their biological activity, molecular structure and synthesis, we have limited this review to the most inspiring examples. Within different congeners, we have selected a few members and discussed the synthetic routes in more detail. The putative biosynthetic pathways of the presented isoindole alkaloids are described as well.
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Affiliation(s)
- Klaus Speck
- Department of Chemistry, Ludwig-Maximilians-Universität München, Butenandtstraße 5–13, 81377 München, Germany
| | - Thomas Magauer
- Department of Chemistry, Ludwig-Maximilians-Universität München, Butenandtstraße 5–13, 81377 München, Germany
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