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Shehzadi SA, Saeed A, Perveen F, Channar PA, Arshad I, Abbas Q, Kalsoom S, Yousaf S, Simpson J. Identification of two novel thiazolidin-2-imines as tyrosinase inhibitors: synthesis, crystal structure, molecular docking and DFT studies. Heliyon 2022; 8:e10098. [PMID: 36046526 PMCID: PMC9421195 DOI: 10.1016/j.heliyon.2022.e10098] [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: 05/11/2022] [Revised: 07/06/2022] [Accepted: 07/26/2022] [Indexed: 11/29/2022] Open
Abstract
Various N- and S-containing 5-membered heterocycles such as imidazole-2-thiones, thiazolidinones and thiazolidin-2-imines are among the most eminent biologically active organic heterocycles and are present in many marketed drugs. In view of their synthetic and biological significance, an efficient synthesis of two novel thiazolidine-2-imines (4a-b) utilizing a three-component one-pot approach starting from an aldimine, an alkyne and isothiocyanates has been developed. The reaction proceeded via a 5-exo digonal (5-exo dig) cyclization of a propargyl thiourea, formed in situ in the presence of Zn(II)-catalyst. The structures of the resulting products are elucidated by spectroscopic methods and X-ray crystallography. A DFT study explored the structural, thermodynamic and molecular electrostatic potential parameters for the compounds. The newly synthesized compounds (4a & 4b) were evaluated for the inhibition of tyrosinase both in vitro and in silico. The in vitro results revealed that the synthesized thiazolidine-2-imines (4a-b) showed good inhibition activity towards mushroom tyrosinase (IC50 = 1.151 ± 1.25 and 2.079 ± 0.87 μM respectively) in comparison to the kojic acid standard (IC50 = 16.031 ± 1.27 μM) a commonly used anti-pigment agent in plant and animal tissues. The experimental inhibition was further assessed by molecular docking studies between synthesized ligands and the human tyrosinase protein complex to investigate the intermolecular interactions responsible for tyrosinase inhibition activity.
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Affiliation(s)
- Syeda Aaliya Shehzadi
- Sulaiman Bin Abdullah Aba Al-Khail-Centre for Interdisciplinary Research in Basic Sciences (SA-CIRBS), International Islamic University, 44000 Islamabad, Pakistan
- Corresponding author.
| | - Aamer Saeed
- Department of Chemistry, Quaid-i-Azam University, 45320 Islamabad, Pakistan
| | - Fouzia Perveen
- Research Center for Modelling and Simulations (RCMS), National University of Sciences and Technology (NUST), H-12 Islamabad, Pakistan
| | | | - Ifzan Arshad
- Department of Chemistry, University of Management and Technology, Sialkot, Pakistan
- Corresponding author.
| | - Qamar Abbas
- Department of Physiology, University of Sindh, Jamshoro, Pakistan
| | - Saima Kalsoom
- Department of Chemistry, Preston University, Islamabad, Pakistan
| | - Sammer Yousaf
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, 75270, Karachi, Pakistan
| | - Jim Simpson
- Department of Chemistry, University of Otago, PO Box 56, Dunedin, New Zealand
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Zubair M, Nazir M, Saleem M, Raiz N, Touseef S, Khan S, Zengin G, Ehsan Mazhar M, Imran Tousif M. Chemodiversity, Biological Activities and Molecular Docking Studies of Leptadenia pyrotechnica (Forssk.) Decne: A Comprehensive Approach to Validate Its Medicinal Use. Chem Biodivers 2022; 19:e202100884. [PMID: 35307950 DOI: 10.1002/cbdv.202100884] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 03/18/2022] [Indexed: 01/06/2023]
Abstract
Leptadenia pyrotechnica (Forssk.) Decne is growing in Cholistan desert, and is known for its laxative, analgesic, anabolic and astringent, antioxidant, anti-inflammatory, antibacterial, antitumor, hypolipidemic and antiatherosclerotic properties. The present study disclosed the metabolic picture of L. pyrotechnica and validates its folk uses. LP-H fraction constitute 25.79±0.11 mgGAE/g extract and 20.64±0.33 mgRE/g extract of phenolic and flavonoid content, respectively, followed by LP-E (23.15±0.33 mgGAE/g extract and 19.40±0.13 mgRE/g extract), however, LP-E exhibited the highest free radical scavenging (DPPH: 21.05±0.45mgTE/g and ABTS: 68.12±0.53 mgTE/g) and metal reducing (FRAP: 44.93±1.66, CUPRAC: 117.42±1.28 mgTE/g, respectively) activities. The total antioxidant capacity in Phosphomolybdenum assay (1.52±0.14 mmolTE/g) and ferrous ion chelating (11.57±0.29 mgEDTAE/g) activities were observed highest for LP-H extract. In cholinesterase's inhibitory assays, the LP-E and LP-W extracts exhibited inhibitory values as 2.43 and 2.40±0.07 mgGALAE/g extract, respectively against AChE, while against BChE the LP-H displayed the highest value as 5.98±0.44 mgGALAE/g extract. The LP-H fraction also showed the highest inhibition potential (7.72±0.14 mmol ACAE/g and 0.55±0.01 mmol ACAE/g, respectively) against α-glucosidase and α-amylase enzymes, while, in tyrosinase inhibitory assay, all the fractions exhibited significant activities in the range of 59.35±0.29 to 55.18±0.49 mgKAE/g extract. RP-UHPLC/MS analysis of LP-M disclosed the presence of 57 metabolites of various classes. A multivariate analysis and molecular docking study was also carried out to establish relationships between the metabolites and the biological activities, which finally validate the use of L. pyrotechnica as herbal medicine or component nutraceutical, food and cosmetic industry.
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Affiliation(s)
- Momina Zubair
- Division of Organic Chemistry, Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, 63100, Bahawalpur, Pakistan
| | - Mamona Nazir
- Department of Chemistry, Government Sadiq Women College University, Bahawalpur, 63100, Bahawalpur, Pakistan
| | - Muhammad Saleem
- Division of Organic Chemistry, Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, 63100, Bahawalpur, Pakistan
| | - Naheed Raiz
- Division of Organic Chemistry, Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, 63100, Bahawalpur, Pakistan
| | - Saba Touseef
- Dr. Panjwani Center for Molecular Medicine and Drug Research., International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Saima Khan
- Division of Organic Chemistry, Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, 63100, Bahawalpur, Pakistan
| | - Gokhan Zengin
- Selcuk University, Science Faculty, Department of Biology, Konya, Turkey
| | | | - Muhammad Imran Tousif
- Department of Chemistry, Division of Science and Technology, University of Education, Lahore, Pakistan
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Mani A, Ahamed A, Ali D, Alarifi S, Akbar I. Dopamine-Mediated Vanillin Multicomponent Derivative Synthesis via Grindstone Method: Application of Antioxidant, Anti-Tyrosinase, and Cytotoxic Activities. DRUG DESIGN DEVELOPMENT AND THERAPY 2021; 15:787-802. [PMID: 33654383 PMCID: PMC7914109 DOI: 10.2147/dddt.s288389] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 12/30/2020] [Indexed: 11/25/2022]
Abstract
Purpose This study aimed to determine the extent of contribution of dopamine to antioxidant and anti-tyrosinase activities, by dopamine addition to vanillin. This study achieved the synthesis of dopamine-associated vanillin Mannich base derivatives prepared via a one-step reaction involving a green chemistry approach, and investigation of antioxidant and anti-tyrosinase activities. Methods Novel one-pot synthesis of Mannich base dopamine-connected vanillin (1a-l) derivatives can be achieved via green chemistry without using a catalyst. Newly-prepared compounds were characterised with FTIR and NMR (1H and 13C) spectra, mass spectra, and elemental analyses. In total, 12 compounds (1a-l) were synthesised and their antioxidant and anti-tyrosinase activities evaluated. Antioxidant activities of 2,2-diphenyl-1-picrylhydrazyl (DPPH), nitric oxide (NO), hydrogen peroxide (H2O2), and 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS), and diammonium assays, ABTS•+ radical scavenging, and linoleic acid peroxidation were used to screen all synthesised compounds (1a-l) for anti-tyrosinase activities and cytotoxicity against MCF-7 and Vero cell lines;. Results The compound 1k inhibited (IC50:11.02µg/mL) the DPPH-scavenging activity to a greater extent than the standard BHT (IC50:25.17µg/mL), and showed high activity in H2O2 and NO scavenging assays. Compound 1e was more potent (96.21%) against ABTS and compound 1k was more potent (95.28%) against 2,2ʹ-azobis(2-amidinopropane)dihydrochloride antioxidant than the standard trolox. All synthesised compounds were screened for anti-tyrosinase inhibitory activity. Compound 1e had higher activity against tyrosinase (IC50=10.63 µg/mL), than kojic acid (IC50=21.52µg/mL), and was more cytotoxic (GI50 0.01µM) against MCF-7 cell line than the doxorubicin standard and other tested compounds. Conclusion In this study, all compounds were found to possess significant antioxidant and anti-tyrosinase activities. Compounds 1e and 1k performed well, compared with other compounds, in all assays. In addition, this study successfully identified several promising molecules that exhibited antioxidant and anti-tyrosinase activities.
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Affiliation(s)
- Arunadevi Mani
- Research Department of Chemistry, Nehru Memorial College (Affiliated to Bharathidasan University), Puthanampatti -621007, Tiruchirappalli District, Tamil Nadu, India
| | - Anis Ahamed
- Department of Botany & Microbiology, College of Sciences, King Saud University (KSU), Riyadh, Saudi Arabia
| | - Daoud Ali
- Department of Zoology, College of Sciences, King Saud University (KSU), Riyadh, 11451, Saudi Arabia
| | - Saud Alarifi
- Department of Zoology, College of Sciences, King Saud University (KSU), Riyadh, 11451, Saudi Arabia
| | - Idhayadhulla Akbar
- Research Department of Chemistry, Nehru Memorial College (Affiliated to Bharathidasan University), Puthanampatti -621007, Tiruchirappalli District, Tamil Nadu, India
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Cádiz-Gurrea MDLL, Villegas-Aguilar MDC, Leyva-Jiménez FJ, Pimentel-Moral S, Fernández-Ochoa Á, Alañón ME, Segura-Carretero A. Revalorization of bioactive compounds from tropical fruit by-products and industrial applications by means of sustainable approaches. Food Res Int 2020; 138:109786. [PMID: 33288172 DOI: 10.1016/j.foodres.2020.109786] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 10/03/2020] [Accepted: 10/05/2020] [Indexed: 02/08/2023]
Abstract
Tropical fruits trade is on the rise due to the claimed health benefits related with their consumption. Functional activities are exerted by the presence of bioactive compounds which could be used for prevention or amelioration diseases. However, the occurrence of bioactive compounds is found mainly in non-edible fraction of tropical fruits which are usually discarded. Therefore, the revalorization of tropical fruits by-products as source of functional compounds is on the cutting-edge research. The implementation of this challenge not only allows the enhancement of the tropical fruits by-products management, but also the production of value-added products. This review compiles the latest comprehensive information about the revalorization of bioactive compounds from tropical fruits by-products. A revision of the sustainable green technologies used for the isolation of valuable compounds has been carried out as well as the current food, functional, cosmeceutical and bioenergetics industrial applications of bioactive compounds extracted from tropical fruits by-products.
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Affiliation(s)
- María de la Luz Cádiz-Gurrea
- Department of Analytical Chemistry, Faculty of Sciences, University of Granada, Spain; Research and Development of Functional Food Centre (CIDAF), Granada, Spain
| | - María Del Carmen Villegas-Aguilar
- Department of Analytical Chemistry, Faculty of Sciences, University of Granada, Spain; Research and Development of Functional Food Centre (CIDAF), Granada, Spain
| | | | - Sandra Pimentel-Moral
- Department of Analytical Chemistry, Faculty of Sciences, University of Granada, Spain; Research and Development of Functional Food Centre (CIDAF), Granada, Spain
| | - Álvaro Fernández-Ochoa
- Department of Analytical Chemistry, Faculty of Sciences, University of Granada, Spain; Berlin Institute of Health Metabolomics Platform, 10178 Berlin, Germany; Max Delbrück Center for Molecular Medicine in the Helmholtz Association, 13125 Berlin, Germany
| | - María Elena Alañón
- Department of Analytical Chemistry, Faculty of Sciences, University of Granada, Spain; Department of Analytical Chemistry and Food Science and Technology, University of Castilla-La Mancha, Ciudad Real, Spain.
| | - Antonio Segura-Carretero
- Department of Analytical Chemistry, Faculty of Sciences, University of Granada, Spain; Research and Development of Functional Food Centre (CIDAF), Granada, Spain
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Lolak N, Boga M, Tuneg M, Karakoc G, Akocak S, Supuran CT. Sulphonamides incorporating 1,3,5-triazine structural motifs show antioxidant, acetylcholinesterase, butyrylcholinesterase, and tyrosinase inhibitory profile. J Enzyme Inhib Med Chem 2020; 35:424-431. [PMID: 31899985 PMCID: PMC6968691 DOI: 10.1080/14756366.2019.1707196] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
A series of 16 novel benzenesulfonamides incorporating 1,3,5-triazine moieties substituted with aromatic amines, dimethylamine, morpholine and piperidine were investigated. These compounds were assayed for antioxidant properties by using 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging assay, 2,2`-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid (ABTS) radical decolarisation assay and metal chelating methods. They were also investigated as inhibitors of acetylcholinesterase (AChE), butyrylcholinesterase (BChE) and tyrosinase, which are associated with several diseases such as Alzheimer, Parkinson and pigmentation disorders. These benzenesulfonamides showed moderate DPPH radical scavenging and metal chelating activity, and low ABTS cation radical scavenging activity. Compounds 2 b, 3d and 3 h showed inhibitory potency against AChE with % inhibition values of >90. BChE was also effectively inhibited by most of the synthesised compounds with >90% inhibition potency. Tyrosinase was less inhibited by these compounds.
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Affiliation(s)
- Nabih Lolak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adiyaman University, Adiyaman, Turkey
| | - Mehmet Boga
- Department of Analytical Chemistry, Faculty of Pharmacy, Dicle University, Diyarbakir, Turkey
| | - Muhammed Tuneg
- Department of Analytical Chemistry, Faculty of Pharmacy, Dicle University, Diyarbakir, Turkey
| | - Gulcin Karakoc
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adiyaman University, Adiyaman, Turkey
| | - Suleyman Akocak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adiyaman University, Adiyaman, Turkey
| | - Claudiu T Supuran
- NEUROFARBA Department, Sezione di Scienze Farmaceutiche, Università degli Studi di Firenze, Florence, Italy
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Zolghadri S, Bahrami A, Hassan Khan MT, Munoz-Munoz J, Garcia-Molina F, Garcia-Canovas F, Saboury AA. A comprehensive review on tyrosinase inhibitors. J Enzyme Inhib Med Chem 2019; 34:279-309. [PMID: 30734608 PMCID: PMC6327992 DOI: 10.1080/14756366.2018.1545767] [Citation(s) in RCA: 486] [Impact Index Per Article: 97.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 11/04/2018] [Accepted: 11/05/2018] [Indexed: 12/17/2022] Open
Abstract
Tyrosinase is a multi-copper enzyme which is widely distributed in different organisms and plays an important role in the melanogenesis and enzymatic browning. Therefore, its inhibitors can be attractive in cosmetics and medicinal industries as depigmentation agents and also in food and agriculture industries as antibrowning compounds. For this purpose, many natural, semi-synthetic and synthetic inhibitors have been developed by different screening methods to date. This review has focused on the tyrosinase inhibitors discovered from all sources and biochemically characterised in the last four decades.
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Affiliation(s)
- Samaneh Zolghadri
- Department of Biology, Jahrom Branch, Islamic Azad University, Jahrom, Iran
| | - Asieh Bahrami
- Department of Biology, Jahrom Branch, Islamic Azad University, Jahrom, Iran
| | | | - J. Munoz-Munoz
- Group of Microbiology, Department of Applied Sciences, Northumbria University at Newcastle, Newcastle Upon Tyne, UK
| | - F. Garcia-Molina
- GENZ-Group of Research on Enzymology, Department of Biochemistry and Molecular Biology-A, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Espinardo, Murcia, Spain
| | - F. Garcia-Canovas
- GENZ-Group of Research on Enzymology, Department of Biochemistry and Molecular Biology-A, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Espinardo, Murcia, Spain
| | - Ali Akbar Saboury
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
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Abstract
The use of herbal remedies for various medical issues is becoming increasingly commonplace in all fields of medicine, and dermatology is no exception. This review focuses on traditional dermatologic herbal remedies, commonly used in Russia, as the rich array of 11 different plant zones has resulted in a great variety of medicinal plants. Herbal remedies warrant deeper investigation and research, especially due to their active substance content, which may interfere with or reinforce the effect of modern medications, something that medical professionals should be aware of when prescribing treatments. Although there are a great number of traditional herbal treatments in Russia, only the most commonly used and known treatments and applications will be described as an introduction to the field, which has had many books of varying quality written about it. The preparation and application of treatments for vitiligo, pyodermas, parasitic and infectious skin diseases, acne, dermatitides, rosacea, hyperpigmentation, rhytides, psoriasis, and hyperhidrosis are discussed.
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Affiliation(s)
- Olga Y Olisova
- Rakhmanov Department of Dermatology and Venereal Diseases at the First Moscow State Sechenov Medical University of the Russian Federation, Moscow, Russia
| | - Elena S Snarskaya
- Rakhmanov Department of Dermatology and Venereal Diseases at the First Moscow State Sechenov Medical University of the Russian Federation, Moscow, Russia
| | - Victor V Gladko
- Institute of Medical and Social Technologies, Postgraduate Medical School, Department of Dermatology, Venereology and Cosmetology, Moscow State University of Food Production, Moscow, Russia
| | - Ekaterina P Burova
- Rakhmanov Department of Dermatology and Venereal Diseases at the First Moscow State Sechenov Medical University of the Russian Federation, Moscow, Russia; Institute of Medical and Social Technologies, Postgraduate Medical School, Department of Dermatology, Venereology and Cosmetology, Moscow State University of Food Production, Moscow, Russia; Department of Dermatology, Bedford Hospital, Bedford, UK.
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