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Baharuddin FF, Mad Nasir N, Tejo BA, Koh SP, Ramakrishnan S, Nordin NQAA, Adzahar AN, Devakrishnan P, Mohd Razib S. Potent halogenated xanthone derivatives: synthesis, molecular docking and study on antityrosinase activity. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2024; 26:575-582. [PMID: 37796247 DOI: 10.1080/10286020.2023.2264784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 09/25/2023] [Indexed: 10/06/2023]
Abstract
Tyrosinase inhibitors can reduce melanin production for skin whitening, but some existing products may harm the skin. This study discovered six compounds that inhibit tyrosinase in the mushroom Agaricus bisporus by over 50%. Compound 11 displayed strong inhibition (92.2% and 86.7%) for L-tyrosine and L-DOPA substrates, while compound 13 showed high inhibition (96.0% and 62.0%) for both substrates. Molecular docking simulations revealed compounds 11 and 13 bind at the allosteric site of the enzyme. Xanthone derivatives, based on these findings, hold potential as safe skin whitening agents and for pigmentation-related diseases in the cosmetic industry.
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Affiliation(s)
| | - Nadiah Mad Nasir
- Department of Chemistry, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia
| | - Bimo Ario Tejo
- Department of Chemistry, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia
| | - Soo Peng Koh
- Pusat Penyelidikan Sains Dan Teknologi Makanan, MARDI, Serdang, Selangor 43400, Malaysia
| | - Shuruti Ramakrishnan
- Department of Chemistry, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia
| | | | - Anis Nasuha Adzahar
- Department of Chemistry, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia
| | - Pavithren Devakrishnan
- Department of Chemistry, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia
| | - Salsabiilaa Mohd Razib
- Department of Chemistry, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia
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Resende DISP, Durães F, Zubarioglu S, Freitas-Silva J, Szemerédi N, Pinto M, Pinto E, Martins da Costa P, Spengler G, Sousa E. Antibacterial Potential of Symmetrical Twin-Drug 3,6-Diaminoxanthones. Pharmaceuticals (Basel) 2024; 17:209. [PMID: 38399424 PMCID: PMC10891989 DOI: 10.3390/ph17020209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 01/20/2024] [Accepted: 01/27/2024] [Indexed: 02/25/2024] Open
Abstract
Global health faces a significant issue with the rise of infectious diseases caused by bacteria, fungi, viruses, and parasites. The increasing number of multi-drug resistant microbial pathogens severely threatens public health worldwide. Antibiotic-resistant pathogenic bacteria, in particular, present a significant challenge. Therefore, there is an urgent need to identify new potential antimicrobial targets and discover new chemical entities that can potentially reverse bacterial resistance. The main goal of this research work was to create and develop a library of 3,6-disubstituted xanthones based on twin drugs and molecular extension approaches to inhibit the activity of efflux pumps. The process involved synthesizing 3,6-diaminoxanthones through the reaction of 9-oxo-9H-xanthene-3,6-diyl bis(trifluoromethanesulfonate) with various primary and secondary amines. The resulting 3,6-disubstituted xanthone derivatives were then tested for their in vitro antimicrobial properties against a range of pathogenic strains and their efficacy in inhibiting the activity of efflux pumps, biofilm formation, and quorum-sensing. Several compounds have exhibited effective antibacterial properties against the Gram-positive bacterial species tested. Xanthone 16, in particular, has demonstrated exceptional efficacy with a remarkable MIC of 11 µM (4 µg/mL) against reference strains Staphylococcus aureus ATCC 25923 and Enterococcus faecalis ATCC 29212, and 25 µM (9 µg/mL) against methicillin-resistant S. aureus 272123. Furthermore, some derivatives have shown potential as antibiofilm agents in a crystal violet assay. The ethidium bromide accumulation assay pinpointed certain compounds inhibiting bacterial efflux pumps. The cytotoxic effect of the most promising compounds was examined in mouse fibroblast cell line NIH/3T3, and two monoamine substituted xanthone derivatives with a hydroxyl substituent did not exhibit any cytotoxicity. Overall, the nature of the substituent was critical in determining the antimicrobial spectra of aminated xanthones.
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Affiliation(s)
- Diana I. S. P. Resende
- Laboratory of Organic and Pharmaceutical Chemistry (LQOF), Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal
| | - Fernando Durães
- Laboratory of Organic and Pharmaceutical Chemistry (LQOF), Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal
| | - Sidika Zubarioglu
- Laboratory of Organic and Pharmaceutical Chemistry (LQOF), Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Joana Freitas-Silva
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal
- ICBAS—Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Nikoletta Szemerédi
- Department of Medical Microbiology, Albert Szent-Györgyi Health Center and Albert Szent-Györgyi Medical School, University of Szeged, Semmelweis utca 6, 6725 Szeged, Hungary
| | - Madalena Pinto
- Laboratory of Organic and Pharmaceutical Chemistry (LQOF), Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal
| | - Eugénia Pinto
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal
- Laboratory of Microbiology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Paulo Martins da Costa
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal
- ICBAS—Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Gabriella Spengler
- Department of Medical Microbiology, Albert Szent-Györgyi Health Center and Albert Szent-Györgyi Medical School, University of Szeged, Semmelweis utca 6, 6725 Szeged, Hungary
| | - Emília Sousa
- Laboratory of Organic and Pharmaceutical Chemistry (LQOF), Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal
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Mota S, Rosa GP, Barreto MC, Garrido J, Sousa E, Cruz MT, Almeida IF, Quintas C. Comparative Studies on the Photoreactivity, Efficacy, and Safety of Depigmenting Agents. Pharmaceuticals (Basel) 2023; 17:55. [PMID: 38256889 PMCID: PMC10820089 DOI: 10.3390/ph17010055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 12/11/2023] [Accepted: 12/22/2023] [Indexed: 01/24/2024] Open
Abstract
Depigmenting products are increasingly used to counteract skin hyperpigmentation and related psychosocial issues. This study aimed to compare different depigmenting agents-4-butylresorcinol; bakuchiol; tranexamic acid; ascorbyl glucoside; α-arbutin; and ascorbic acid-for photoreactivity; tyrosinase inhibition; and safety. Photoreactivity was assessed using the Reactive Oxygen Species assay. In vitro tyrosinase inhibition was compared, and cell viability was assessed in B-16V melanocytes to evaluate safety. Results showed 4-butylresorcinol, ascorbyl glucoside, and α-arbutin are non-photoreactive, while for ascorbic acid and bakuchiol it was not possible to reach conclusive results due to the lack of specificity of the ROS assay. 4-Butylresorcinol, acting as a competitive inhibitor, displayed potent tyrosinase inhibition, followed by ascorbic acid and bakuchiol. Both 4-butylresorcinol and bakuchiol reduced cell viability in a concentration-dependent manner. The insights obtained in this work support the development of depigmenting products by providing useful scientific guidance on the photostability, tyrosinase inhibitory efficacy, and skin safety of depigmenting agents.
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Affiliation(s)
- Sandra Mota
- UCIBIO—Applied Molecular Biosciences Unit, MedTech, Faculty of Pharmacy, Department of Drug Sciences, Laboratory of Pharmaceutical Technology, University of Porto, 4050-313 Porto, Portugal;
- Associate Laboratory i4HB—Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal;
| | - Gonçalo P. Rosa
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-192 Aveiro, Portugal;
- cE3c—Centre for Ecology, Evolution and Environmental Changes/Azorean Biodiversity Group, CHANGE and Faculty of Sciences and Technology, University of Azores, 9500-321 Ponta Delgada, Portugal
| | - Maria Carmo Barreto
- cE3c—Centre for Ecology, Evolution and Environmental Changes/Azorean Biodiversity Group, CHANGE and Faculty of Sciences and Technology, University of Azores, 9500-321 Ponta Delgada, Portugal
| | - Jorge Garrido
- CIQUP-IMS, ISEP, Polytechnic of Porto, 4249-015 Porto, Portugal;
| | - Emília Sousa
- Laboratory of Organic and Pharmaceutical Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal;
- CIIMAR—Interdisciplinary Center of Marine and Environmental Research, University of Porto, Avenida General Norton de Matos, S/N, 4450-208 Matosinhos, Portugal
| | - Maria T. Cruz
- Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal;
- CNC-UC—Center for Neuroscience and Cell Biology, University of Coimbra, 3000-548 Coimbra, Portugal
- CIBB—Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, 3000-548 Coimbra, Portugal
| | - Isabel F. Almeida
- UCIBIO—Applied Molecular Biosciences Unit, MedTech, Faculty of Pharmacy, Department of Drug Sciences, Laboratory of Pharmaceutical Technology, University of Porto, 4050-313 Porto, Portugal;
- Associate Laboratory i4HB—Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal;
| | - Clara Quintas
- Associate Laboratory i4HB—Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal;
- UCIBIO—Applied Molecular Biosciences Unit, Faculty of Pharmacy, Department of Drug Sciences, Laboratory of Pharmacology, University of Porto, 4050-313 Porto, Portugal
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Vittorio S, Dank C, Ielo L. Heterocyclic Compounds as Synthetic Tyrosinase Inhibitors: Recent Advances. Int J Mol Sci 2023; 24:ijms24109097. [PMID: 37240442 DOI: 10.3390/ijms24109097] [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: 04/24/2023] [Revised: 05/19/2023] [Accepted: 05/20/2023] [Indexed: 05/28/2023] Open
Abstract
Tyrosinase is a copper-containing enzyme which is widely distributed in nature (e.g., bacteria, mammals, fungi) and involved in two consecutive steps of melanin biosynthesis. In humans, an excessive production of melanin can determine hyperpigmentation disorders as well as neurodegenerative processes in Parkinson's disease. The development of molecules able to inhibit the high activity of the enzyme remain a current topic in medicinal chemistry, because the inhibitors reported so far present several side effects. Heterocycle-bearing molecules are largely diffuse in this sense. Due to their importance as biologically active compounds, we decided to report a comprehensive review of synthetic tyrosinase inhibitors possessing heterocyclic moieties reported within the last five years. For the reader's convenience, we classified them as inhibitors of mushroom tyrosinase (Agaricus bisporus) and human tyrosinase.
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Affiliation(s)
- Serena Vittorio
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Milano, Via Mangiagalli, 25, 20133 Milano, Italy
| | - Christian Dank
- Institute of Organic Chemistry, University of Vienna, Währinger Strasse 38, 1090 Vienna, Austria
| | - Laura Ielo
- Department of Chemistry, University of Turin, Via P. Giuria 7, 10125 Torino, Italy
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Ferreira AM, da Silva Sena I, Curti J, de Souza AA, Dos Santos Lima PC, Rodrigues ABL, da Silva Ramos R, de Souza Pinheiro WB, Ferreira IM, Carvalho JCT. Trichoderma asperellum Extract Isolated from Brazil Nuts ( Bertholletia excelsa BONPL): In Vivo and In Silico Studies on Melanogenesis in Zebrafish. Microorganisms 2023; 11:microorganisms11041089. [PMID: 37110512 PMCID: PMC10146319 DOI: 10.3390/microorganisms11041089] [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: 02/23/2023] [Revised: 04/02/2023] [Accepted: 04/03/2023] [Indexed: 04/29/2023] Open
Abstract
Endophytic fungi are those that present part of their life cycle in healthy tissues of different plant hosts in symbiosis without causing harm. At the same time, fungus-plant symbiosis makes it possible for microorganisms to synthesize their own bioactive secondary metabolites while in the stationary stage. To accomplish this, the endophytic fungus Trichoderma asperellum was isolated from Bertholletia excelsa (Brazil nut) almonds. The fungus was cultivated and extracted with ethyl acetate, obtaining AM07Ac. Then, using HPTLC (High-performance thin-layer chromatography) and nuclear magnetic resonance (1H NMR), β-amyrin, kaempferol, and brucine were identified as major compounds. Further in vivo assays in zebrafish demonstrated the activity of AM07Ac on melanogenesis by producing a concentration-response inhibitory effect, which, through an in silico study, proved to be related to the noted major compounds known to inhibit tyrosinase activity. The inhibition of tyrosinase prevents melanin accumulation in skin. Therefore, these results imply the importance of investigating microorganisms and their pharmacological activities, in particular the endophytic fungus Trichoderma asperellum as a generator of active metabolites for melanogenesis modulation.
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Affiliation(s)
- Adriana Maciel Ferreira
- Research Laboratory of Drugs, Department of Biological and Health Sciences, Federal University of Amapá, Rod. JK, km 02, Macapá 68902-280, Brazil
| | - Iracirema da Silva Sena
- Laboratory of Biocatalysis and Applied Organic Synthesis, Department of Exact Sciences, Chemistry Course, Federal University of Amapá, Rod. JK, km 02, Macapá 68902-280, Brazil
| | - Jhone Curti
- Research Laboratory of Drugs, Department of Biological and Health Sciences, Federal University of Amapá, Rod. JK, km 02, Macapá 68902-280, Brazil
| | - Agerdânio Andrade de Souza
- Research Laboratory of Drugs, Department of Biological and Health Sciences, Federal University of Amapá, Rod. JK, km 02, Macapá 68902-280, Brazil
| | - Paulo Cesar Dos Santos Lima
- Research Laboratory of Drugs, Department of Biological and Health Sciences, Federal University of Amapá, Rod. JK, km 02, Macapá 68902-280, Brazil
| | - Alex Bruno Lobato Rodrigues
- Laboratory of Biocatalysis and Applied Organic Synthesis, Department of Exact Sciences, Chemistry Course, Federal University of Amapá, Rod. JK, km 02, Macapá 68902-280, Brazil
| | - Ryan da Silva Ramos
- Laboratory of Biocatalysis and Applied Organic Synthesis, Department of Exact Sciences, Chemistry Course, Federal University of Amapá, Rod. JK, km 02, Macapá 68902-280, Brazil
| | - Wandson Braamcamp de Souza Pinheiro
- Central Extraction Laboratory, Graduate Program in Chemistry, Federal University of Pará, R. Augusto Corrêa, Guamá, 01, Belém 66075-110, Brazil
| | - Irlon Maciel Ferreira
- Laboratory of Biocatalysis and Applied Organic Synthesis, Department of Exact Sciences, Chemistry Course, Federal University of Amapá, Rod. JK, km 02, Macapá 68902-280, Brazil
| | - José Carlos Tavares Carvalho
- Research Laboratory of Drugs, Department of Biological and Health Sciences, Federal University of Amapá, Rod. JK, km 02, Macapá 68902-280, Brazil
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Badiali C, Petruccelli V, Brasili E, Pasqua G. Xanthones: Biosynthesis and Trafficking in Plants, Fungi and Lichens. PLANTS (BASEL, SWITZERLAND) 2023; 12:694. [PMID: 36840041 PMCID: PMC9967055 DOI: 10.3390/plants12040694] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/24/2023] [Accepted: 01/26/2023] [Indexed: 06/18/2023]
Abstract
Xanthones are a class of secondary metabolites produced by plant organisms. They are characterized by a wide structural variety and numerous biological activities that make them valuable metabolites for use in the pharmaceutical field. This review shows the current knowledge of the xanthone biosynthetic pathway with a focus on the precursors and the enzymes involved, as well as on the cellular and organ localization of xanthones in plants. Xanthone biosynthesis in plants involves the shikimate and the acetate pathways which originate in plastids and endoplasmic reticulum, respectively. The pathway continues following three alternative routes, two phenylalanine-dependent and one phenylalanine-independent. All three routes lead to the biosynthesis of 2,3',4,6-tetrahydroxybenzophenone, which is the central intermediate. Unlike plants, the xanthone core in fungi and lichens is wholly derived from polyketide. Although organs and tissues synthesizing and accumulating xanthones are known in plants, no information is yet available on their subcellular and cellular localization in fungi and lichens. This review highlights the studies published to date on xanthone biosynthesis and trafficking in plant organisms, from which it emerges that the mechanisms underlying their synthesis need to be further investigated in order to exploit them for application purposes.
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Natural and Synthetic Xanthone Derivatives Counteract Oxidative Stress via Nrf2 Modulation in Inflamed Human Macrophages. Int J Mol Sci 2022; 23:ijms232113319. [PMID: 36362104 PMCID: PMC9659273 DOI: 10.3390/ijms232113319] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/25/2022] [Accepted: 10/26/2022] [Indexed: 11/06/2022] Open
Abstract
Natural products have attracted attention due to their safety and potential effectiveness as anti-inflammatory drugs. Particularly, xanthones owning a unique 9H-xanthen-9-one scaffold, are endowed with a large diversity of medical applications, including antioxidant and anti-inflammatory activities, because their core accommodates a vast variety of substituents at different positions. Among others, α- and γ-mangostin are the major known xanthones purified from Garcinia mangostana with demonstrated anti-inflammatory and antioxidant effects by in vitro and in vivo modulation of the Nrf2 (nuclear factor erythroid-derived 2-like 2) pathway. However, the main mechanism of action of xanthones and their derivatives is still only partially disclosed, and further investigations are needed to improve their potential clinical outcomes. In this light, a library of xanthone derivatives was synthesized and biologically evaluated in vitro on human macrophages under pro-inflammatory conditions. Furthermore, structure-activity relationship (SAR) studies were performed by means of matched molecular pairs (MMPs). The data obtained revealed that the most promising compounds in terms of biocompatibility and counteraction of cytotoxicity are the ones that enhance the Nrf2 translocation, confirming a tight relationship between the xanthone scaffold and the Nrf2 activation as a sign of intracellular cell response towards oxidative stress and inflammation.
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Pintus F, Floris S, Fais A, Era B, Kumar A, Gatto G, Uriarte E, Matos MJ. Hydroxy-3-Phenylcoumarins as Multitarget Compounds for Skin Aging Diseases: Synthesis, Molecular Docking and Tyrosinase, Elastase, Collagenase and Hyaluronidase Inhibition, and Sun Protection Factor. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27206914. [PMID: 36296507 PMCID: PMC9611449 DOI: 10.3390/molecules27206914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/11/2022] [Accepted: 10/12/2022] [Indexed: 11/21/2022]
Abstract
Skin aging is a progressive biological process of the human body, and it is not only time-dependent. Differently substituted 3-phenylcoumarins proved to efficiently inhibit tyrosinase. In the current work, new substitution patterns have been explored, and the biological studies were extended to other important enzymes involved in the processes of skin aging, as elastase, collagenase and hyaluronidase. From the studied series, five compounds presented inhibitory activity against tyrosinase, one compound against elastase, eight compounds against collagenase and two compounds against hyaluronidase, being five compounds dual inhibitors. The 3-(4'-Bromophenyl)-5,7-dihydroxycoumarin (1) and 3-(3'-bromophenyl)-5,7-dihydroxycoumarin (2) presented the best profiles against tyrosinase (IC50 = 1.05 µM and 7.03 µM) and collagenase (IC50 = 123.4 µM and 110.4 µM); the 3-(4'-bromophenyl)-6,7-dihydroxycoumarin (4) presented a good inhibition against tyrosinase and hyaluronidase; the 3-(3'-bromophenyl)-6,7-dihydroxycoumarin (5) showed an effective tyrosinase and elastase inhibition; and 6,7-dihydroxy-3-(3'-hydroxyphenyl)coumarin (11) presented a dual profile inhibition against collagenase and hyaluronidase. Furthermore, considering the overall activities tested, compounds 1 and 2 proved to be the most promising anti-aging compounds. These compounds also showed to have a photo-protective effect, without being cytotoxic to human skin keratinocyte cells. To predict the binding site with the target enzymes, computational studies were also carried out.
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Affiliation(s)
- Francesca Pintus
- Department of Life and Environmental Sciences, University of Cagliari, 09042 Monserrato, Italy
| | - Sonia Floris
- Department of Life and Environmental Sciences, University of Cagliari, 09042 Monserrato, Italy
| | - Antonella Fais
- Department of Life and Environmental Sciences, University of Cagliari, 09042 Monserrato, Italy
- Correspondence: (A.F.); (M.J.M.)
| | - Benedetta Era
- Department of Life and Environmental Sciences, University of Cagliari, 09042 Monserrato, Italy
| | - Amit Kumar
- Department of Electrical and Electronic Engineering, University of Cagliari, 09123 Cagliari, Italy
| | - Gianluca Gatto
- Department of Electrical and Electronic Engineering, University of Cagliari, 09123 Cagliari, Italy
| | - Eugenio Uriarte
- Departamento de Química Orgánica, Facultade de Farmacia, Universidade Santiago de Compostela, 15782 Santiago de Compostela, Spain
- Instituto de Ciencias Químicas Aplicadas, Universidad Autónoma de Chile, Santiago 7500912, Chile
| | - Maria João Matos
- Departamento de Química Orgánica, Facultade de Farmacia, Universidade Santiago de Compostela, 15782 Santiago de Compostela, Spain
- Correspondence: (A.F.); (M.J.M.)
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9
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Yu B, Wu K, Duan X, Zhang T, He D, Chai X. Composition analysis and tyrosinase inhibitory activity of
Cinnamomum cassia
Presl leaf hydrosol and
Cymbopogon citratus
(
DC
.) Stapf leaf hydrosol. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.17058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Bingying Yu
- School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou People's Republic of China
| | - Kegang Wu
- School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou People's Republic of China
| | - Xuejuan Duan
- School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou People's Republic of China
| | - Tong Zhang
- School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou People's Republic of China
| | - Dong He
- School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou People's Republic of China
| | - Xianghua Chai
- School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou People's Republic of China
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Krzemińska A, Kwiatos N, Arenhart Soares F, Steinbüchel A. Theoretical Studies of Cyanophycin Dipeptides as Inhibitors of Tyrosinases. Int J Mol Sci 2022; 23:ijms23063335. [PMID: 35328756 PMCID: PMC8950311 DOI: 10.3390/ijms23063335] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 03/13/2022] [Accepted: 03/17/2022] [Indexed: 02/06/2023] Open
Abstract
The three-dimensional structure of tyrosinase has been crystallized from many species but not from Homo sapiens. Tyrosinase is a key enzyme in melanin biosynthesis, being an important target for melanoma and skin-whitening cosmetics. Several studies employed the structure of tyrosinase from Agaricus bisporus as a model enzyme. Recently, 98% of human genome proteins were elucidated by AlphaFold. Herein, the AlphaFold structure of human tyrosinase and the previous model were compared. Moreover, tyrosinase-related proteins 1 and 2 were included, along with inhibition studies employing kojic and cinnamic acids. Peptides are widely studied for their inhibitory activity of skin-related enzymes. Cyanophycin is an amino acid polymer produced by cyanobacteria and is built of aspartic acid and arginine; arginine can be also replaced by other amino acids. A new set of cyanophycin-derived dipeptides was evaluated as potential inhibitors. Aspartate–glutamate showed the strongest interaction and was chosen as a leading compound for future studies.
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11
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Matsuzaka Y, Uesawa Y. A Deep Learning-Based Quantitative Structure-Activity Relationship System Construct Prediction Model of Agonist and Antagonist with High Performance. Int J Mol Sci 2022; 23:ijms23042141. [PMID: 35216254 PMCID: PMC8877122 DOI: 10.3390/ijms23042141] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 02/12/2022] [Accepted: 02/14/2022] [Indexed: 01/27/2023] Open
Abstract
Molecular design and evaluation for drug development and chemical safety assessment have been advanced by quantitative structure–activity relationship (QSAR) using artificial intelligence techniques, such as deep learning (DL). Previously, we have reported the high performance of prediction models molecular initiation events (MIEs) on the adverse toxicological outcome using a DL-based QSAR method, called DeepSnap-DL. This method can extract feature values from images generated on a three-dimensional (3D)-chemical structure as a novel QSAR analytical system. However, there is room for improvement of this system’s time-consumption. Therefore, in this study, we constructed an improved DeepSnap-DL system by combining the processes of generating an image from a 3D-chemical structure, DL using the image as input data, and statistical calculation of prediction-performance. Consequently, we obtained that the three prediction models of agonists or antagonists of MIEs achieved high prediction-performance by optimizing the parameters of DeepSnap, such as the angle used in the depiction of the image of a 3D-chemical structure, data-split, and hyperparameters in DL. The improved DeepSnap-DL system will be a powerful tool for computer-aided molecular design as a novel QSAR system.
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Affiliation(s)
- Yasunari Matsuzaka
- Department of Medical Molecular Informatics, Meiji Pharmaceutical University, Kiyose 204-8588, Japan;
- Center for Gene and Cell Therapy, Division of Molecular and Medical Genetics, The Institute of Medical Science, University of Tokyo, Minato City 108-8639, Japan
| | - Yoshihiro Uesawa
- Department of Medical Molecular Informatics, Meiji Pharmaceutical University, Kiyose 204-8588, Japan;
- Correspondence: ; Tel.: +81-42-495-8983
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Kurniawan YS, Priyangga KTA, Jumina, Pranowo HD, Sholikhah EN, Zulkarnain AK, Fatimi HA, Julianus J. An Update on the Anticancer Activity of Xanthone Derivatives: A Review. Pharmaceuticals (Basel) 2021; 14:1144. [PMID: 34832926 PMCID: PMC8625896 DOI: 10.3390/ph14111144] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/08/2021] [Accepted: 11/09/2021] [Indexed: 12/27/2022] Open
Abstract
The annual number of cancer deaths continues increasing every day; thus, it is urgent to search for and find active, selective, and efficient anticancer drugs as soon as possible. Among the available anticancer drugs, almost all of them contain heterocyclic moiety in their chemical structure. Xanthone is a heterocyclic compound with a dibenzo-γ-pyrone framework and well-known to have "privileged structures" for anticancer activities against several cancer cell lines. The wide anticancer activity of xanthones is produced by caspase activation, RNA binding, DNA cross-linking, as well as P-gp, kinase, aromatase, and topoisomerase inhibition. This anticancer activity depends on the type, number, and position of the attached functional groups in the xanthone skeleton. This review discusses the recent advances in the anticancer activity of xanthone derivatives, both from natural products isolation and synthesis methods, as the anticancer agent through in vitro, in vivo, and clinical assays.
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Affiliation(s)
- Yehezkiel Steven Kurniawan
- Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia; (Y.S.K.); (K.T.A.P.); (H.D.P.)
| | - Krisfian Tata Aneka Priyangga
- Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia; (Y.S.K.); (K.T.A.P.); (H.D.P.)
| | - Jumina
- Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia; (Y.S.K.); (K.T.A.P.); (H.D.P.)
| | - Harno Dwi Pranowo
- Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia; (Y.S.K.); (K.T.A.P.); (H.D.P.)
| | - Eti Nurwening Sholikhah
- Department of Pharmacology and Therapy, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia;
| | - Abdul Karim Zulkarnain
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia; (A.K.Z.); (H.A.F.)
| | - Hana Anisa Fatimi
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia; (A.K.Z.); (H.A.F.)
| | - Jeffry Julianus
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Universitas Sanata Dharma, Yogyakarta 55282, Indonesia;
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From Natural Products to New Synthetic Small Molecules: A Journey through the World of Xanthones. Molecules 2021; 26:molecules26020431. [PMID: 33467544 PMCID: PMC7829950 DOI: 10.3390/molecules26020431] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 01/07/2021] [Accepted: 01/11/2021] [Indexed: 12/11/2022] Open
Abstract
This work reviews the contributions of the corresponding author (M.M.M.P.) and her research group to Medicinal Chemistry concerning the isolation from plant and marine sources of xanthone derivatives as well as their synthesis, biological/pharmacological activities, formulation and analytical applications. Although her group activity has been spread over several chemical families with relevance in Medicinal Chemistry, the main focus of the investigation and research has been in the xanthone family. Xanthone derivatives have a variety of activities with great potential for therapeutic applications due to their versatile framework. The group has contributed with several libraries of xanthones derivatives, with a variety of activities such as antitumor, anticoagulant, antiplatelet, anti-inflammatory, antimalarial, antimicrobial, hepatoprotective, antioxidant, and multidrug resistance reversal effects. Besides therapeutic applications, our group has also developed xanthone derivatives with analytical applications as chiral selectors for liquid chromatography and for maritime application as antifouling agents for marine paints. Chemically, it has been challenging to afford green chemistry methods and achieve enantiomeric purity of chiral derivatives. In this review, the structures of the most significant compounds will be presented.
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