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García Molina P, Saura-Sanmartin A, Berna J, Teruel JA, Muñoz Muñoz JL, Rodríguez López JN, García Cánovas F, García Molina F. Considerations about the inhibition of monophenolase and diphenolase activities of tyrosinase. Characterization of the inhibitor concentration which generates 50 % of inhibition, type and inhibition constants. A review. Int J Biol Macromol 2024; 267:131513. [PMID: 38608979 DOI: 10.1016/j.ijbiomac.2024.131513] [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: 12/31/2023] [Revised: 04/08/2024] [Accepted: 04/09/2024] [Indexed: 04/14/2024]
Abstract
Tyrosinase is a copper oxidase enzyme which catalyzes the first two steps in the melanogenesis pathway, L-tyrosine to L-dopa conversion and, then, to o-dopaquinone and dopachrome. Hypopigmentation and, above all, hyperpigmentation issues can be originated depending on their activity. This enzyme also promotes the browning of fruits and vegetables. Therefore, control of their activity by regulators is research topic of great relevance. In this work, we consider the use of inhibitors of monophenolase and diphenolase activities of the enzyme in order to accomplish such control. An experimental design and data analysis which allow the accurate calculation of the degree of inhibition of monophenolase activity (iM) and diphenolase activity (iD) are proposed. The IC50 values (amount of inhibitor that causes 50 % inhibition at a fixed substrate concentration) can be calculated for the two activities and from the values of IC50M (monophenolase) and IC50D(diphenolase). Additionally, the strength and type of inhibition can be deduced from these values. The data analysis from these IC50D values allows to obtain the values of [Formula: see text] or [Formula: see text] , or and [Formula: see text] from the values of IC50M. In all cases, the values of the different must satisfy their relationship with IC50M and IC50D.
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Affiliation(s)
- Pablo García 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
| | - Adrian Saura-Sanmartin
- Department of Organic Chemistry, Faculty of Chemistry, University of Murcia, E-30100 Espinardo, Murcia, Spain.
| | - Jose Berna
- Department of Organic Chemistry, Faculty of Chemistry, University of Murcia, E-30100 Espinardo, Murcia, Spain
| | - Jose Antonio Teruel
- Department of Biochemistry and Molecular Biology-A, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Espinardo, Murcia, Spain
| | - Jose Luis Muñoz Muñoz
- Microbial Enzymology Lab, Department of Applied Sciences, Ellison Building A, University of Northumbria, Newcastle Upon Tyne, UK
| | - Jose Neptuno Rodríguez López
- 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
| | - Francisco García Cánovas
- 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
| | - Francisco García Molina
- Department of Anatomía Patológica, Hospital General Universitario Reina Sofía, Av. Intendente Jorge Palacios, 1, 30003 Murcia, Spain.
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Jung Park Y, Jin Jung H, Jin Kim H, Soo Park H, Lee J, Yoon D, Kyung Kang M, Young Kim G, Ullah S, Kang D, Park Y, Chun P, Young Chung H, Ryong Moon H. Thiazol-4(5H)-one analogs as potent tyrosinase inhibitors: Synthesis, tyrosinase inhibition, antimelanogenic effect, antioxidant activity, and in silico docking simulation. Bioorg Med Chem 2024; 98:117578. [PMID: 38154348 DOI: 10.1016/j.bmc.2023.117578] [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: 10/17/2023] [Revised: 12/14/2023] [Accepted: 12/23/2023] [Indexed: 12/30/2023]
Abstract
As the β-phenyl-α,β-unsaturated carbonyl (PUSC) structure was previously identified to play a key role in tyrosinase inhibition, 14 analogs with a PUSC structure built on a thiazol-4(5H)-one scaffold were synthesized using Knoevenagel condensation to serve as potential tyrosinase inhibitors. Through mushroom tyrosinase inhibition experiments, two analogs 9 and 11 were identified as potent tyrosinase inhibitors, with 11 exhibiting an IC50 value of 0.4 ± 0.01 μM, which indicates its 26-fold greater potency than kojic acid. Kinetic studies using Lineweaver-Burk plots revealed that 9 and 11 are competitive and mixed-type inhibitors, respectively; these kinetic results were supported by docking simulations. According to the B16F10 cell-based experiments, 9 and 11 inhibited melanogenesis more effectively than kojic acid due to their potent cellular tyrosinase inhibitory activity. In addition, analogs 9 and 11 exhibited moderate-to-strong antioxidant capacity, scavenging ABTS+, DPPH, and ROS radicals. In particular, analog 12 with a catechol moiety exhibited very strong ROS-scavenging activity, similar to Trolox. These results suggest that analogs 9 and 11, which exhibit potent tyrosinase inhibitory activity in mushroom and mammalian cells and anti-melanogenic effects in B16F10 cells, are promising antibrowning agents for crops and skin lightening agents for hyperpigmentation-related diseases.
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Affiliation(s)
- Yu Jung Park
- Department of Manufacturing Pharmacy, College of Pharmacy and Research Institute for Drug Development, Pusan National University, Busan 46241, Republic of Korea
| | - Hee Jin Jung
- Department of Manufacturing Pharmacy, College of Pharmacy and Research Institute for Drug Development, Pusan National University, Busan 46241, Republic of Korea
| | - Hye Jin Kim
- Department of Manufacturing Pharmacy, College of Pharmacy and Research Institute for Drug Development, Pusan National University, Busan 46241, Republic of Korea
| | - Hye Soo Park
- Department of Manufacturing Pharmacy, College of Pharmacy and Research Institute for Drug Development, Pusan National University, Busan 46241, Republic of Korea
| | - Jieun Lee
- Department of Manufacturing Pharmacy, College of Pharmacy and Research Institute for Drug Development, Pusan National University, Busan 46241, Republic of Korea
| | - Dahye Yoon
- Department of Manufacturing Pharmacy, College of Pharmacy and Research Institute for Drug Development, Pusan National University, Busan 46241, Republic of Korea
| | - Min Kyung Kang
- Department of Manufacturing Pharmacy, College of Pharmacy and Research Institute for Drug Development, Pusan National University, Busan 46241, Republic of Korea
| | - Ga Young Kim
- Department of Manufacturing Pharmacy, College of Pharmacy and Research Institute for Drug Development, Pusan National University, Busan 46241, Republic of Korea
| | - Sultan Ullah
- Department of Molecular Medicine, The Herbert Wertheim UF Scripps Institute for Biomedical Innovation & Technology, Jupiter, FL 33458, USA
| | - Dongwan Kang
- Department of Medicinal Chemistry, New Drug Development Center, Daegu-Gyeongbuk Medical Innovation Foundation, Daegu 41061, South Korea
| | - Yujin Park
- Department of Medicinal Chemistry, New Drug Development Center, Daegu-Gyeongbuk Medical Innovation Foundation, Daegu 41061, South Korea
| | - Pusoon Chun
- College of Pharmacy and Inje Institute of Pharmaceutical Sciences and Research, Inje University, Gimhae, Gyeongnam 50834, South Korea
| | - Hae Young Chung
- Department of Pharmacy, College of Pharmacy and Research Institute for Drug Development, Pusan National University, Busan 46241, Republic of Korea
| | - Hyung Ryong Moon
- Department of Manufacturing Pharmacy, College of Pharmacy and Research Institute for Drug Development, Pusan National University, Busan 46241, Republic of Korea.
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Logesh R, Prasad SR, Chipurupalli S, Robinson N, Mohankumar SK. Natural tyrosinase enzyme inhibitors: A path from melanin to melanoma and its reported pharmacological activities. Biochim Biophys Acta Rev Cancer 2023; 1878:188968. [PMID: 37657683 DOI: 10.1016/j.bbcan.2023.188968] [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: 01/18/2023] [Revised: 08/15/2023] [Accepted: 08/15/2023] [Indexed: 09/03/2023]
Abstract
The skin containing melanin pigment acts as a protective barrier and counteracts the UVR and other environmental stressors to maintain or restore disrupted cutaneous homeostasis. The production of melanin pigment is dependent on tyrosine levels. L-tyrosine and L-dihydroxyphenylalanine (L-DOPA) can serve both as a substrates and intermediates of melanin synthetic pathway and as inducers and positive regulators of melanogenesis. The biosynthesis of melanin is stimulated upon exposure to UVR, which can also stimulate local production of hormonal factors, which can stimulate melanoma development by altering the chemical properties of eu- and pheomelanin. The process of melanogenesis can be altered by several pathways. One involves activation of POMC, with the production of POMC peptides including MSH and ACTH, which increase intracellular cAMP levels, which activates the MITF, and helps to stimulate tyrosinase (TYR) expression and activity. Defects in OCA1 to 4 affects melanogenic activity via posttranslational modifications resulting in proteasomal degradation and reducing pigmentation. Further, altering, the MITF factor, helps to regulate the expression of MRGE in melanoma, and helps to increase the TYR glycosylation in ER. CRH stimulates POMC peptides that regulate melanogenesis and also by itself can stimulate melanogenesis. The POMC, P53, ACTH, MSH, MC1R, MITF, and 6-BH4 are found to be important regulators for pigmentation. Melanogenesis can affect melanoma behaviour and inhibit immune responses. Therefore, we reviewed natural products that would alter melanin production. Our special focus was on targeting melanin synthesis and TYR enzyme activity to inhibit melanogenesis as an adjuvant therapy of melanotic melanoma. Furthermore, this review also outlines the current updated pharmacological studies targeting the TYR enzyme from natural sources and its consequential effects on melanin production.
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Affiliation(s)
- Rajan Logesh
- Department of Pharmacognosy, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Mysuru 570015, Karnataka, India.
| | - Sagar Rajendra Prasad
- Department of Pharmacognosy, Varadaraja Institute of Pharmaceutical Education and Research, Tumkur 572102, Karnataka, India
| | - Sandhya Chipurupalli
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Ooty, India
| | - Nirmal Robinson
- Cellular Stress and Immune Response Laboratory, Centre for Cancer Biology, University of South Australia, Adelaide, Australia
| | - Suresh Kumar Mohankumar
- Pharmacy, Swansea University Medical School, Singleton Park, Swansea University, Wales SA2 8PP, United Kingdom
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Ho YT, Liu IH, Chang ST, Wang SY, Chang HT. In Vitro and In Vivo Antimelanogenesis Effects of Leaf Essential Oil from Agathis dammara. Pharmaceutics 2023; 15:2269. [PMID: 37765238 PMCID: PMC10536972 DOI: 10.3390/pharmaceutics15092269] [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: 08/04/2023] [Revised: 08/28/2023] [Accepted: 08/30/2023] [Indexed: 09/29/2023] Open
Abstract
Agathis species are widely distributed around Southeast Asia, Australasia, South Pacific islands, and etc. Traditionally, Agathis species have been used as the folk medicines, the common ethnopharmacological uses of Agathis genus are the treatments of headache and myalgia. This study aims to investigate the chemical composition of Agathis dammara (Lamb.) Rich. leaf essential oil and to explore its antimelanogenesis effect. The chemical constituents of leaf essential oil are analyzed using gas chromatography-mass spectrometry (GC-MS), the major constituents of leaf essential oil are sesquiterpenoids. The major constituents are δ-cadinene (16.12%), followed by γ-gurjunene (15.57%), 16-kaurene (12.43%), β-caryophyllene (8.58%), germacrene D (8.53%), and γ-cadinene (5.33%). As for the in vitro antityrosinase activity, leaf essential oil inhibit the tyrosinase activity of mushroom when the substrate is 3,4-dihydroxyphenylalanine (L-DOPA). Leaf essential oil prevents tyrosinase from acting as diphenolase and catalyzing L-DOPA to dopaquinone, and converting into dark melanin pigments. A. dammara leaf essential oil also exhibits the in vivo antimelanogenesis effect, leaf essential oil reduces 43.48% of melanin formation in zebrafish embryos at the concentration of 50 μg/mL. Results reveal A. dammara leaf essential oil has the potential for developing the skin whitening drug and depigmentation ingredient for hyperpigmentary disorders.
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Affiliation(s)
- Yu-Tung Ho
- School of Forestry and Resource Conservation, National Taiwan University, Taipei 10617, Taiwan; (Y.-T.H.); (S.-T.C.)
| | - I-Hsuan Liu
- Department of Animal Science and Technology, National Taiwan University, Taipei 10617, Taiwan;
| | - Shang-Tzen Chang
- School of Forestry and Resource Conservation, National Taiwan University, Taipei 10617, Taiwan; (Y.-T.H.); (S.-T.C.)
| | - Sheng-Yang Wang
- Department of Forestry, National Chung Hsing University, Taichung 40227, Taiwan;
- Special Crop and Metabolome Discipline Cluster, Academy Circle Economy, National Chung Hsing University, Taichung 40227, Taiwan
| | - Hui-Ting Chang
- School of Forestry and Resource Conservation, National Taiwan University, Taipei 10617, Taiwan; (Y.-T.H.); (S.-T.C.)
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Mahalapbutr P, Sabuakham S, Nasoontorn S, Rungrotmongkol T, Silsirivanit A, Suriya U. Discovery of amphotericin B, an antifungal drug as tyrosinase inhibitor with potent anti-melanogenic activity. Int J Biol Macromol 2023; 246:125587. [PMID: 37379954 DOI: 10.1016/j.ijbiomac.2023.125587] [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: 03/28/2023] [Revised: 06/05/2023] [Accepted: 06/25/2023] [Indexed: 06/30/2023]
Abstract
Tyrosinase, a rate-limiting enzyme for melanin production, has been the most efficient target for the development of depigmenting agents. Although hydroquinone, kojic acid, and arbutin are the most well-known tyrosinase inhibitors, their adverse effects are inevitable. In the present study, an in silico drug repositioning combined with experimental validation was performed to search for novel potent tyrosinase inhibitors. Docking-based virtual screening results revealed that, among the 3210 FDA-approved drugs available in the ZINC database, amphotericin B, an antifungal drug exhibited the highest binding efficiency against human tyrosinase. Results from tyrosinase inhibition assay demonstrated that amphotericin B could inhibit the activity of mushroom and cellular tyrosinases, especially from MNT-1 human melanoma cells. Molecular modeling results revealed that amphotericin B/human tyrosinase complex exhibited high stability in an aqueous environment. Melanin assay results demonstrated that amphotericin B significantly suppressed melanin production in α-MSH-induced B16F10 murine melanoma and MNT-1 human melanoma cell lines better than the known inhibitor, kojic acid. Mechanistically, amphotericin B treatment significantly activated ERK and Akt signaling pathways, resulting in the decreased expression of MITF and tyrosinase. The obtained results may pursue pre-clinical and clinical studies to examine the possibility of using amphotericin B as an alternative treatment for hyperpigmentation disorders.
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Affiliation(s)
- Panupong Mahalapbutr
- Department of Biochemistry, Center for Translational Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.
| | - Sahachai Sabuakham
- Department of Biochemistry, Center for Translational Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Sutita Nasoontorn
- Department of Biochemistry, Center for Translational Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Thanyada Rungrotmongkol
- Program in Bioinformatics and Computational Biology, Graduate School, Chulalongkorn University, Bangkok 10330, Thailand; Center of Excellence in Biocatalyst and Sustainable Biotechnology, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Atit Silsirivanit
- Department of Biochemistry, Center for Translational Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Utid Suriya
- Program in Biotechnology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
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6
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Wang S, Kang Y, Qi F, Jin H. Genetics of hair graying with age. Ageing Res Rev 2023; 89:101977. [PMID: 37276979 DOI: 10.1016/j.arr.2023.101977] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 03/17/2023] [Accepted: 06/01/2023] [Indexed: 06/07/2023]
Abstract
Hair graying is an early and obvious phenotypic and physiological trait with age in humans. Several recent advances in molecular biology and genetics have increased our understanding of the mechanisms of hair graying, which elucidate genes related to the synthesis, transport, and distribution of melanin in hair follicles, as well as genes regulating these processes above. Therefore, we review these advances and examine the trends in the genetic aspects of hair graying from enrichment theory, Genome-Wide association studies, whole exome sequencing, gene expression studies, and animal models for hair graying with age, aiming to overview the changes in hair graying at the genetic level and establish the foundation for future research. Meanwhile, by summarizing the genetics, it's of great value to explore the possible mechanism, treatment, or even prevention of hair graying with age.
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Affiliation(s)
- Sifan Wang
- Department of Dermatology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing 100730, China
| | - Yuanbo Kang
- Department of Plastic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Shuaifuyuan1#, Dongcheng District, Beijing 100730, P.R.China
| | - Fei Qi
- Department of Dermatology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing 100730, China
| | - Hongzhong Jin
- Department of Dermatology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing 100730, China.
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7
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Gao T, Wang X, Li Y, Ren F. The Role of Probiotics in Skin Health and Related Gut-Skin Axis: A Review. Nutrients 2023; 15:3123. [PMID: 37513540 PMCID: PMC10385652 DOI: 10.3390/nu15143123] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/03/2023] [Accepted: 07/07/2023] [Indexed: 07/30/2023] Open
Abstract
Aging skin, wrinkles, pigmentation, and dryness are problems that plague people, and researchers are working to solve them. Recent studies have shown that intestinal microbiota homeostasis can influence skin health, demonstrating the existence of a gut-skin axis. Recently, improving skin health through probiotic interventions has been proposed, and micro-ecological skin care is becoming a popular concept. By regulating skin health and gut-skin axis interactions, probiotics can be used as potential management tools to suppress and improve skin diseases in multiple ways, including decreasing oxidative stress, suppressing inflammatory responses, and keeping immune effects. The purpose of this paper is to provide a comprehensive review of the application and mechanisms of probiotic-mediated gut microbiota homeostasis in skin care and to offer a theoretical basis for the application of probiotics in skin care.
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Affiliation(s)
- Ting Gao
- Key Laboratory of Precision Nutrition and Food Quality, Key Laboratory of Functional Dairy, Ministry of Education, Beijing Laboratory of Food Quality and Safety, Department of Nutrition and Health, China Agricultural University, Beijing 100083, China
| | - Xiaoyu Wang
- Key Laboratory of Precision Nutrition and Food Quality, Key Laboratory of Functional Dairy, Ministry of Education, Beijing Laboratory of Food Quality and Safety, Department of Nutrition and Health, China Agricultural University, Beijing 100083, China
| | - Yixuan Li
- Key Laboratory of Precision Nutrition and Food Quality, Key Laboratory of Functional Dairy, Ministry of Education, Beijing Laboratory of Food Quality and Safety, Department of Nutrition and Health, China Agricultural University, Beijing 100083, China
| | - Fazheng Ren
- Key Laboratory of Precision Nutrition and Food Quality, Key Laboratory of Functional Dairy, Ministry of Education, Beijing Laboratory of Food Quality and Safety, Department of Nutrition and Health, China Agricultural University, Beijing 100083, China
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Oh MC, Fernando PDSM, Piao MJ, Kang KA, Herath HMUL, Hyun JW. Baicalein Inhibits α-Melanocyte-stimulating Hormone-stimulated Melanogenesis via p38 Mitogen-activated Protein Kinase Pathway in B16F10 Mouse Melanoma Cells. J Cancer Prev 2023; 28:40-46. [PMID: 37434796 PMCID: PMC10331030 DOI: 10.15430/jcp.2023.28.2.40] [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: 05/22/2023] [Revised: 06/13/2023] [Accepted: 06/13/2023] [Indexed: 07/13/2023] Open
Abstract
Excessive UVB exposure causes development of both malignant and non-malignant melanoma via the secretion of α-melanocyte-stimulating hormone (α-MSH). We investigated whether baicalein (5,6,7-trihydroxyflavone) could inhibit α-MSH-stimulated melanogenesis. Baicalein prevented UVB- and α-MSH-induced melanin production and attenuated α-MSH-stimulated tyrosinase (monophenol monooxygenase) activity, and expression of tyrosinase and tyrosine-related protein-2. In addition, baicalein prevented melanogenesis and pigmentation via the p38 mitogen-activated protein kinases signaling pathway. These findings suggest that baicalein represents a natural compound for attenuating melanogenesis.
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Affiliation(s)
- Min Chang Oh
- Department of Biochemistry, Jeju National University College of Medicine, Jeju, Korea
| | | | - Mei Jing Piao
- Department of Biochemistry, Jeju National University College of Medicine, Jeju, Korea
- Jeju Research Center for Natural Medicine, Jeju National University, Jeju, Korea
| | - Kyoung Ah Kang
- Department of Biochemistry, Jeju National University College of Medicine, Jeju, Korea
- Jeju Research Center for Natural Medicine, Jeju National University, Jeju, Korea
| | | | - Jin Won Hyun
- Department of Biochemistry, Jeju National University College of Medicine, Jeju, Korea
- Jeju Research Center for Natural Medicine, Jeju National University, Jeju, Korea
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Talebi M, Majidi K, Bassam K, Abdi M, Daneshvar M, Moayedi SS, Pourhesabi S, Attarroshan M, Boumi S, Kabiri M, Hosseini FS, Khoshneviszadeh M, Amanlou M. Synthesis, biological evaluation, and molecular docking analysis of novel 1, 3, 4-thiadiazole -based kojic acid derivatives as tyrosinase inhibitors. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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10
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Enzymatic Biosynthesis of Simple Phenolic Glycosides as Potential Anti-Melanogenic Antioxidants. Antioxidants (Basel) 2022; 11:antiox11071396. [PMID: 35883887 PMCID: PMC9312196 DOI: 10.3390/antiox11071396] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 07/16/2022] [Accepted: 07/16/2022] [Indexed: 12/04/2022] Open
Abstract
Simple phenolics (SPs) and their glycosides have recently gained much attention as functional skin-care resources for their anti-melanogenic and antioxidant activities. Enzymatic glycosylation of SP aglycone make it feasible to create SP glycosides with updated bioactive potentials. Herein, a glycosyltransferase (GT)-encoding gene was cloned from the fosmid libraries of Streptomyces tenjimariensis ATCC 31603 using GT-specific degenerate PCR followed by in silico analyses. The recombinant StSPGT was able to flexibly catalyze the transfer of two glycosyl moieties towards two SP acceptors, (hydroxyphenyl-2-propanol [HPP2] and hydroxyphenyl-3-propanol [HPP3]), generating stereospecific α-anomeric glycosides as follows: HPP2-O-α-glucoside, HPP2-O-α-2″-deoxyglucoside, HPP3-O-α-glucoside and HPP3-O-α-2″-deoxyglucoside. This enzyme seems not only to prefer UDP-glucose and HPP2 as a favorable glycosyl donor and acceptor, respectively but also differentiates the positional difference of the hydroxyl function as acceptor catalytic sites. Paired in vitro and in vivo antioxidant assays represented SPs and their corresponding glycosides as convincing antioxidants in a time- and concentration-dependent manner by scavenging DPPH radicals and intracellular ROS. Even compared to the conventional agents, HPP2 and glycoside analogs displayed improved tyrosinase inhibitory activity in vitro and still suppressed in vivo melanogenesis. Both HPP2 glycosides are further likely to exert the best inhibitory activity against elastase, eventually highlighting these glycosides with enhanced anti-melanogenic and antioxidant activities as promising anti-wrinkle hits.
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11
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Extracellular Vesicles in Facial Aesthetics: A Review. Int J Mol Sci 2022; 23:ijms23126742. [PMID: 35743181 PMCID: PMC9223821 DOI: 10.3390/ijms23126742] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 06/07/2022] [Accepted: 06/13/2022] [Indexed: 11/28/2022] Open
Abstract
Facial aesthetics involve the application of non-invasive or minimally invasive techniques to improve facial appearance. Currently, extracellular vesicles (EVs) are attracting much interest as nanocarriers in facial aesthetics due to their lipid bilayer membrane, nanosized dimensions, biological origin, intercellular communication ability, and capability to modulate the molecular activities of recipient cells that play important roles in skin rejuvenation. Therefore, EVs have been suggested to have therapeutic potential in improving skin conditions, and these highlighted the potential to develop EV-based cosmetic products. This review summarizes EVs’ latest research, reporting applications in facial aesthetics, including scar removal, facial rejuvenation, anti-aging, and anti-pigmentation. This review also discussed the advanced delivery strategy of EVs, the therapeutic potential of plant EVs, and clinical studies using EVs to improve skin conditions. In summary, EV therapy reduces scarring, rejuvenates aging skin, and reduces pigmentation. These observations warrant the development of EV-based cosmetic products. However, more efforts are needed to establish a large-scale EV production platform that can consistently produce functional EVs and understand EVs’ underlying mechanism of action to improve their efficacy.
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12
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Kose A, Oncel SS. Design of melanogenesis regulatory peptides derived from phycocyanin of the microalgae Spirulina platensis. Peptides 2022; 152:170783. [PMID: 35278583 DOI: 10.1016/j.peptides.2022.170783] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 03/07/2022] [Accepted: 03/07/2022] [Indexed: 12/20/2022]
Abstract
Pigmentation issues are common conditions associated with excessive or insufficient production of melanin. Recently peptides are investigated to discover novel melanogenesis regulators as low molecular weight compounds to regulate skin pigmentation. In this study, an internal library of peptides obtained through in silico enzymatic digestion of phycocyanin from microalgae S. platensis was tested to apprehend their anti-melanogenic effects. Seven peptides were investigated for their inhibitory potential against mushroom and B16-F10 murine tyrosinase enzymes. According to the results, P5 (SPSWY) and P7 (AADQRGKDKCARDIGY) were effective in lowering the activity of mushroom and B16-F10 tyrosinases. P5 was the most potent (IC50 value, 12.1 µM) in mushroom which was followed by P2 (MAACLR, 86.9 µM). Although the peptides were particularly powerful in inhibiting monophenolase activity, only moderate inhibition was observed for diphenolase activity in mushroom tyrosinase assay. Apart from tyrosinase inhibition, P2 and P3 (RCLNGRL) were efficient DPPH radical scavengers at low concentrations (IC50 < 200 µM). In the mammalian assay system, P5 and P7 were noticeably effective to decrease tyrosinase enzyme activity with IC50 values of 48.9 and 34.2 µM, respectively. However, although P4 (RYVTYAVF) was a potent mushroom tyrosinase inhibitor, it increased melanin synthesis up to 3-fold in B16-F10 cells. The results indicate that C-terminal tyrosine residue is important for tyrosinase inhibition. This study shows, for the first time, that microalgae proteins can be regarded as sources for melanogenesis regulation.
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Affiliation(s)
- Ayse Kose
- Ege University Faculty of Engineering Department of Bioengineering, 35100 Bornova, Izmir, Turkey
| | - Suphi S Oncel
- Ege University Faculty of Engineering Department of Bioengineering, 35100 Bornova, Izmir, Turkey.
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The Relationship between the IC50 Values and the Apparent Inhibition Constant in the Study of Inhibitors of Tyrosinase Diphenolase Activity Helps Confirm the Mechanism of Inhibition. Molecules 2022; 27:molecules27103141. [PMID: 35630619 PMCID: PMC9142954 DOI: 10.3390/molecules27103141] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 05/03/2022] [Accepted: 05/11/2022] [Indexed: 12/02/2022] Open
Abstract
Tyrosinase is the enzyme involved in melanization and is also responsible for the browning of fruits and vegetables. Control of its activity can be carried out using inhibitors, which is interesting in terms of quantitatively understanding the action of these regulators. In the study of the inhibition of the diphenolase activity of tyrosinase, it is intriguing to know the strength and type of inhibition. The strength is indicated by the value of the inhibition constant(s), and the type can be, in a first approximation: competitive, non-competitive, uncompetitive and mixed. In this work, it is proposed to calculate the degree of inhibition (iD), varying the concentration of inhibitor to a fixed concentration of substrate, L-dopa (D). The non-linear regression adjustment of iD with respect to the initial inhibitor concentration [I]0 allows for the calculation of the inhibitor concentration necessary to inhibit the activity by 50%, at a given substrate concentration (IC50), thus avoiding making interpolations between different values of iD. The analytical expression of the IC50, for the different types of inhibition, are related to the apparent inhibition constant (KIapp). Therefore, this parameter can be used: (a) To classify a series of inhibitors of an enzyme by their power. Determining these values at a fixed substrate concentration, the lower IC50, the more potent the inhibitor. (b) Checking an inhibitor for which the type and the inhibition constant have been determined (using the usual methods), must confirm the IC50 value according to the corresponding analytical expression. (c) The type and strength of an inhibitor can be analysed from the study of the variation in iD and IC50 with substrate concentration. The dependence of IC50 on the substrate concentration allows us to distinguish between non-competitive inhibition (iD does not depend on [D]0) and the rest. In the case of competitive inhibition, this dependence of iD on [D]0 leads to an ambiguity between competitive inhibition and type 1 mixed inhibition. This is solved by adjusting the data to the possible equations; in the case of a competitive inhibitor, the calculation of KI1app is carried out from the IC50 expression. The same occurs with uncompetitive inhibition and type 2 mixed inhibition. The representation of iD vs. n, with n=[D]0/KmD, allows us to distinguish between them. A hyperbolic iD vs. n representation that passes through the origin of coordinates is a characteristic of uncompetitive inhibition; the calculation of KI2app is immediate from the IC50 value. In the case of mixed inhibitors, the values of the apparent inhibition constant of meta-tyrosinase (Em) and oxy-tyrosinase (Eox), KI1app and the apparent inhibition constant of metatyrosinase/Dopa complexes (EmD) and oxytyrosinase/Dopa (EoxD), KI2app are obtained from the dependence of iD vs. n, and the results obtained must comply with the IC50 value.
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Yu J, Ma X, Wang X, Cui X, Ding K, Wang S, Han C. Application and mechanism of probiotics in skin care: A review. J Cosmet Dermatol 2022; 21:886-894. [PMID: 34997993 DOI: 10.1111/jocd.14734] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 12/22/2021] [Indexed: 12/15/2022]
Abstract
BACKGROUND Skin problems have been the focus of attention in recent years. Skin aging, wrinkles, pigmentation, dryness has been a problem that makes people feel troubled. Researchers have been devoted to find ways to solve these skin problems. Micro-ecological skin care is a popular concept these days, and improving skin health through the use of probiotics is a hot topic of discussion. OBJECTIVE Many experimental studies have shown that probiotics have a good effect on improving skin problems. This paper aims to comprehensively review the application and mechanism of probiotics in skin care and provide theoretical basis for the application of probiotics in skin care. METHODS Literatures in this review were searched in PubMed, China National Knowledge Infrastructure (CNKI), Web of Science, and Science Direct. RESULTS Probiotics have potent effects on skin whitening, moisturizing, anti-aging, anti-wrinkle and removing body odor. CONCLUSIONS The effects of probiotics on skin whitening, skin moisturizing, anti-aging, improving skin wrinkles and removing body odor were reviewed, which provided a new basis for the extensive application of probiotics in skin care.
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Affiliation(s)
- Jinyan Yu
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Xumin Ma
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Xiaoyu Wang
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Xuetao Cui
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Kai Ding
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Shiyuan Wang
- School of Nursing, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Chunchao Han
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
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15
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Li Q, Mo J, Xiong B, Liao Q, Chen Y, Wang Y, Xing S, He S, Lyu W, Zhang N, Sun H. Discovery of Resorcinol-Based Polycyclic Structures as Tyrosinase Inhibitors for Treatment of Parkinson's Disease. ACS Chem Neurosci 2022; 13:81-96. [PMID: 34882402 DOI: 10.1021/acschemneuro.1c00560] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Tyrosinase is involved in the synthesis of neuromelanin in the substantia nigra, which is closely correlated with the pathogenesis of Parkinson's disease. Herein, we identified S05014 (l-Tyr, IC50 = 6.25 ± 1.43 nM; l-Dopa, IC50 = 0.64 ± 0.40 μM) as a highly effective tyrosinase inhibitor. It could inhibit the tyrosinase function from different origins and decrease the expression of tyrosinase. S05014 presented good medication safety and inhibited melanogenesis in a dose-dependent manner. Moreover, as a resorcinol derivative, S05014 could scavenge the 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical and significantly reduce the overproduction of LPS-induced reactive oxidative species (ROS), indicating its antioxidative profile. S05014 exhibited an excellent neuroprotective effect against methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) impairment in vitro and could remarkably alleviate movement abnormalities and exploratory activities in vivo. Altogether, S05014 is considered as a promising inhibitor for tyrosinase, melanogenesis, and oxidative stress and has great potential to be utilized in anti-Parkinsonian syndrome. From this point of view, tyrosinase inhibition has been further confirmed to be a novel strategy to improve locomotor capacity and treat Parkinson's disease.
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Affiliation(s)
- Qi Li
- Department of Medical Pharmacy, School of Basic Medicine, Qingdao University, Qingdao 266071, People’s Republic of China
| | - Jun Mo
- ZJU-ENS Joint Laboratory of Medicinal Chemistry, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, Hangzhou Institute of Innovative Medicine, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, People’s Republic of China
| | - Baichen Xiong
- School of Pharmacy, China Pharmaceutical University, Nanjing 211198, People’s Republic of China
| | - Qinghong Liao
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing 211198, People’s Republic of China
| | - Ying Chen
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing 211198, People’s Republic of China
| | - Yuanyuan Wang
- School of Pharmacy, China Pharmaceutical University, Nanjing 211198, People’s Republic of China
| | - Shuaishuai Xing
- School of Pharmacy, China Pharmaceutical University, Nanjing 211198, People’s Republic of China
| | - Siyu He
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 210009, People’s Republic of China
| | - Weiping Lyu
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 210009, People’s Republic of China
| | - Ning Zhang
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing 211198, People’s Republic of China
| | - Haopeng Sun
- School of Pharmacy, China Pharmaceutical University, Nanjing 211198, People’s Republic of China
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16
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Recent advances in the design and discovery of synthetic tyrosinase inhibitors. Eur J Med Chem 2021; 224:113744. [PMID: 34365131 DOI: 10.1016/j.ejmech.2021.113744] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 07/28/2021] [Accepted: 07/28/2021] [Indexed: 02/08/2023]
Abstract
Tyrosinase is a copper-containing metalloenzyme that is responsible for the rate-limiting catalytic step in the melanin biosynthesis and enzymatic browning. As a promising target, tyrosinase inhibitors can be used as skin whitening agents and food preservatives, thus having broad potential in the fields of food, cosmetics, agriculture and medicine. From 2015 to 2020, numerous synthetic inhibitors of tyrosinase have been developed to overcome the challenges of low efficacy and side effects. This review summarizes the enzyme structure and biological functions of tyrosinase and demonstrates the recent advances of synthetic tyrosinase inhibitors from the perspective of medicinal chemistry, providing a better understanding of the catalytic mechanisms and more effective tyrosinase inhibitors.
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17
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Huang CY, Liu IH, Huang XZ, Chen HJ, Chang ST, Chang ML, Ho YT, Chang HT. Antimelanogenesis Effects of Leaf Extract and Phytochemicals from Ceylon Olive ( Elaeocarpus serratus) in Zebrafish Model. Pharmaceutics 2021; 13:pharmaceutics13071059. [PMID: 34371750 PMCID: PMC8309042 DOI: 10.3390/pharmaceutics13071059] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 07/08/2021] [Accepted: 07/09/2021] [Indexed: 01/15/2023] Open
Abstract
The melanogenesis inhibition effect in zebrafish (Danio rerio) and antityrosinase activity of the ethanolic extract and its phytochemicals from Ceylon olive (Elaeocarpus serratus Linn.) leaves were investigated in this study. Among the leaf extract and four soluble fractions, the ethyl acetate soluble fraction exhibits the best antityrosinase and antimelanogenesis activities. One phenolic acid, gallic acid, and two flavonoids, myricetin and mearnsetin, are isolated from the active subfractions through the bioassay-guided isolation; their structures are elucidated based on the 1D and 2D NMR, FTIR, UV, and MS spectroscopic analyses. These compounds have significant antityrosinase activity whether using l-tyrosine or l-DOPA as the substrate; mearnsetin shows the optimal activity. In the enzyme kinetic investigation, both gallic acid and mearnsetin are the competitive-type inhibitors against mushroom tyrosinase, and myricetin acts as a mixed-type tyrosinase inhibitor. Leaf extract and an ethyl acetate soluble fraction show effective performance in the inhibition of melanin formation in zebrafish embryos. Mearnsetin also possesses a promising antimelanogenesis effect, which is superior to the positive control, arbutin. Results reveal that the Ceylon olive leaf extract and its phytochemicals, especially mearnsetin, have the potential to be used as antimelanogenesis and skin-whitening ingredients.
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Affiliation(s)
- Chi-Ya Huang
- School of Forestry and Resource Conservation, National Taiwan University, Taipei 106, Taiwan; (C.-Y.H.); (X.-Z.H.); (H.-J.C.); (S.-T.C.); (Y.-T.H.)
| | - I-Hsuan Liu
- Department of Animal Science and Technology, National Taiwan University, Taipei 106, Taiwan;
| | - Xiang-Zhe Huang
- School of Forestry and Resource Conservation, National Taiwan University, Taipei 106, Taiwan; (C.-Y.H.); (X.-Z.H.); (H.-J.C.); (S.-T.C.); (Y.-T.H.)
| | - Hui-Jen Chen
- School of Forestry and Resource Conservation, National Taiwan University, Taipei 106, Taiwan; (C.-Y.H.); (X.-Z.H.); (H.-J.C.); (S.-T.C.); (Y.-T.H.)
| | - Shang-Tzen Chang
- School of Forestry and Resource Conservation, National Taiwan University, Taipei 106, Taiwan; (C.-Y.H.); (X.-Z.H.); (H.-J.C.); (S.-T.C.); (Y.-T.H.)
| | - Mei-Ling Chang
- Department of Food Science, Nutrition, and Nutraceutical Biotechnology, Shih Chien University, Taipei 104, Taiwan;
| | - Yu-Tung Ho
- School of Forestry and Resource Conservation, National Taiwan University, Taipei 106, Taiwan; (C.-Y.H.); (X.-Z.H.); (H.-J.C.); (S.-T.C.); (Y.-T.H.)
| | - Hui-Ting Chang
- School of Forestry and Resource Conservation, National Taiwan University, Taipei 106, Taiwan; (C.-Y.H.); (X.-Z.H.); (H.-J.C.); (S.-T.C.); (Y.-T.H.)
- Correspondence: ; Tel.: +886-2-3366-5880
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18
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Chai Z, Shang J, Shi W, Li X, Ma H. Increase of tyrosinase activity at the wound site in zebrafish imaged by a new fluorescent probe. Chem Commun (Camb) 2021; 57:2764-2767. [PMID: 33595549 DOI: 10.1039/d0cc08134e] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Tyrosinase plays a pivotal role in the hyperpigmentation of wounds. Here, we develop a new fluorescent probe and with it, we reveal an increase of tyrosinase activity at the wound site in zebrafish.
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Affiliation(s)
- Ziyin Chai
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China. and University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jizhen Shang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
| | - Wen Shi
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China. and University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaohua Li
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
| | - Huimin Ma
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China. and University of Chinese Academy of Sciences, Beijing 100049, China
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19
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Saeedi M, Khezri K, Seyed Zakaryaei A, Mohammadamini H. A comprehensive review of the therapeutic potential of α-arbutin. Phytother Res 2021; 35:4136-4154. [PMID: 33724594 DOI: 10.1002/ptr.7076] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 02/01/2021] [Accepted: 02/24/2021] [Indexed: 12/12/2022]
Abstract
Cosmetic dermatology preparations such as bleaching agents are ingredients with skin-related biological activities for increasing and improving skin beauty. The possibility of controlling skin hyperpigmentation disorders is one of the most important research goals in cosmetic preparations. Recently, cosmetics containing herbal and botanical ingredients have attracted many interests for consumers of cosmetic products because these preparations are found safer than other preparations with synthetic components. However, high-quality trial studies in larger samples are needed to confirm safety and clinical efficacy of phytotherapeutic agents with high therapeutic index. Arbutin (p-hydroxyphenyl-β-d-glucopyranoside) is a bioactive hydrophilic polyphenol with two isomers including alpha-arbutin (4-hydroxyphenyl-α-glucopyranoside) and β-arbutin (4-hydroxyphenyl-β-glucopyranoside). It is used as a medicinal plant in phytopharmacy. Studies have shown that alpha-arbutin is 10 times more effective than natural arbutin. A comparison of IC50 values showed that α-arbutin (with concentration 2.0 mM) has a more potent inhibitory activity on human tyrosinase against natural arbutin (with higher concentration than 30 mM). A review of recent studies showed that arbutin could be beneficial in treatment of various diseases such as hyperpigmentation disorders, types of cancers, central nervous system disorders, osteoporosis, diabetes, etc. This study was designed to describe the therapeutic efficiencies of arbutin.
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Affiliation(s)
- Majid Saeedi
- Pharmaceutical Sciences Research Center, Hemoglobinopathy Institute, Mazandaran University of Medical Sciences, Sari, Iran.,Department of Pharmaceutics, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Khadijeh Khezri
- Deputy of Food and Drug Administration, Urmia University of Medical Sciences, Urmia, Iran
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20
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Yang ZT, Lu DX, Hong EK, Zhang BY, Jiang MC, Yang YJ, Zhang DJ. Extraction and Separation of Sinapine from Rapeseed Cake and the Mode of Action of Melanin Production Inhibition. Mol Biol 2021. [DOI: 10.1134/s002689332005012x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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21
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Pillaiyar T, Meenakshisundaram S, Manickam M, Sankaranarayanan M. A medicinal chemistry perspective of drug repositioning: Recent advances and challenges in drug discovery. Eur J Med Chem 2020; 195:112275. [PMID: 32283298 PMCID: PMC7156148 DOI: 10.1016/j.ejmech.2020.112275] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 03/11/2020] [Accepted: 03/24/2020] [Indexed: 02/06/2023]
Abstract
Drug repurposing is a strategy consisting of finding new indications for already known marketed drugs used in various clinical settings or highly characterized compounds despite they can be failed drugs. Recently, it emerges as an alternative approach for the rapid identification and development of new pharmaceuticals for various rare and complex diseases for which lack the effective drug treatments. The success rate of drugs repurposing approach accounts for approximately 30% of new FDA approved drugs and vaccines in recent years. This review focuses on the status of drugs repurposing approach for various diseases including skin diseases, infective, inflammatory, cancer, and neurodegenerative diseases. Efforts have been made to provide structural features and mode of actions of drugs.
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Affiliation(s)
- Thanigaimalai Pillaiyar
- PharmaCenter Bonn, Pharmaceutical Institute, Department of Pharmaceutical & Medicinal Chemistry, University of Bonn, An der Immenburg 4, D-53121, Bonn, Germany.
| | | | - Manoj Manickam
- Department of Chemistry, PSG Institute of Technology and Applied Research, Coimbatore, Tamil Nadu, India
| | - Murugesan Sankaranarayanan
- Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Pilani, 333031, Rajasthan, India
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22
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Qian W, Liu W, Zhu D, Cao Y, Tang A, Gong G, Su H. Natural skin-whitening compounds for the treatment of melanogenesis (Review). Exp Ther Med 2020; 20:173-185. [PMID: 32509007 PMCID: PMC7271691 DOI: 10.3892/etm.2020.8687] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 03/17/2020] [Indexed: 01/23/2023] Open
Abstract
Melanogenesis is the process for the production of melanin, which is the primary cause of human skin pigmentation. Skin-whitening agents are commercially available for those who wish to have a lighter skin complexions. To date, although numerous natural compounds have been proposed to alleviate hyperpigmentation, insufficient attention has been focused on potential natural skin-whitening agents and their mechanism of action from the perspective of compound classification. In the present article, the synthetic process of melanogenesis and associated core signaling pathways are summarized. An overview of the list of natural skin-lightening agents, along with their compound classifications, is also presented, where their efficacy based on their respective mechanisms of action on melanogenesis is discussed.
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Affiliation(s)
- Wenhui Qian
- Department of Pharmaceutics, Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu 210002, P.R. China.,School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210002, P.R. China
| | - Wenya Liu
- Department of Pharmaceutics, Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu 210002, P.R. China
| | - Dong Zhu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210002, P.R. China
| | - Yanli Cao
- Department of Pharmaceutics, Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu 210002, P.R. China
| | - Anfu Tang
- Department of Pharmaceutics, Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu 210002, P.R. China
| | - Guangming Gong
- Department of Pharmaceutics, Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu 210002, P.R. China
| | - Hua Su
- Department of Pharmaceutics, Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu 210002, P.R. China
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Markiewicz E, Idowu OC. Melanogenic Difference Consideration in Ethnic Skin Type: A Balance Approach Between Skin Brightening Applications and Beneficial Sun Exposure. Clin Cosmet Investig Dermatol 2020; 13:215-232. [PMID: 32210602 PMCID: PMC7069578 DOI: 10.2147/ccid.s245043] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 02/13/2020] [Indexed: 12/20/2022]
Abstract
Human skin demonstrates a striking variation in tone and color that is evident among multiple demographic populations. Such characteristics are determined predominantly by the expression of the genes controlling the quantity and quality of melanin, which can alter significantly due to the presence of small nucleotide polymorphism affecting various steps of the melanogenesis process and generally linked to the lighter skin phenotypes. Genetically determined, constitutive skin color is additionally complemented by the facultative melanogenesis and tanning responses; with high levels of melanin and melanogenic factors broadly recognized to have a protective effect against the UVR-induced molecular damage in darker skin. Long-term sun exposure, together with a genetic makeup responsible for the ability to tan or the activity of constitutive melanogenic factors, triggers defects in pigmentation across all ethnic skin types. However, sun exposure also has well documented beneficial effects that manifest at both skin homeostasis and the systemic level, such as synthesis of vitamin D, which is thought to be less efficient in the presence of high levels of melanin or potentially linked to the polymorphism in the genes responsible for skin darkening triggered by UVR. In this review, we discuss melanogenesis in a context of constitutive pigmentation, defined by gene polymorphism in ethnic skin types, and facultative pigmentation that is not only associated with the capacity to protect the skin against photo-damage but could also have an impact on vitamin D synthesis through gene polymorphism. Modulating the activities of melanogenic genes, with the focus on the markers specifically altered by polymorphism combined with differential requirements of sun exposure in ethnic skin types, could enhance the applications of already existing skin brightening factors and provide a novel approach toward improved skin tone and health in personalized skincare.
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Affiliation(s)
- Ewa Markiewicz
- Hexis Lab Limited, The Core, Newcastle Helix, Newcastle Upon Tyne NE4 5TF, UK
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24
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Arepalli SK, Lee C, Jung JK, Kim Y, Lee K, Lee H. Synthesis of N-arylindazole-3-carboxamide and N-benzoylindazole derivatives and their evaluation against α-MSH-stimulated melanogenesis. Bioorg Med Chem Lett 2019; 29:2604-2608. [PMID: 31387790 DOI: 10.1016/j.bmcl.2019.07.055] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 07/29/2019] [Accepted: 07/31/2019] [Indexed: 11/30/2022]
Abstract
We have designed and synthesized twenty-six N-arylindazole-3-carboxamide (3a-p) and N-benzoylindazole (6a-j) derivatives to discover with excellent inhibition activities of α-MSH-stimulated melanogenesis. In the bio evaluation studies of these compounds, we discovered eighteen compounds, out of twenty-six exhibited more potent inhibition than the positive control arbutin. From the SAR studies, we identified 3k and 6g as lead compounds which displayed almost 5 and 9 times more potent inhibition of α-MSH-stimulated melanogenesis respectively than the reference arbutin. It is also evident the presence of electron withdrawing group at para position (R3) for the compounds (3a-p) and presence of +M group at ortho position (R5) for the compounds (6a-j) were crucial for their excellent inhibition activities of α-MSH-stimulated melanogenesis.
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Affiliation(s)
| | - Chaerim Lee
- College of Pharmacy, Chungbuk National University, Chungbuk 28160, Republic of Korea
| | - Jae-Kyung Jung
- College of Pharmacy, Chungbuk National University, Chungbuk 28160, Republic of Korea
| | - Youngsoo Kim
- College of Pharmacy, Chungbuk National University, Chungbuk 28160, Republic of Korea
| | - Kiho Lee
- College of Pharmacy, Korea University, Sejong 30019, Republic of Korea
| | - Heesoon Lee
- College of Pharmacy, Chungbuk National University, Chungbuk 28160, Republic of Korea.
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25
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Tobramycin Promotes Melanogenesis by Upregulating p38 MAPK Protein Phosphorylation in B16F10 Melanoma Cells. Antibiotics (Basel) 2019; 8:antibiotics8030140. [PMID: 31491963 PMCID: PMC6783951 DOI: 10.3390/antibiotics8030140] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 08/28/2019] [Accepted: 09/02/2019] [Indexed: 01/27/2023] Open
Abstract
Tobramycin is an aminoglycoside-based natural antibiotic derived from Streptomyces tenebrarius, which is primarily used for Gram-negative bacterial infection treatment. Although tobramycin has been utilized in clinical practice for a long time, it has exhibited several side effects, leading to the introduction of more effective antibiotics. Therefore, we conducted our experiments focusing on new possibilities for the clinical use of tobramycin. How tobramycin affects skin melanin formation is unknown. This study used B16F10 melanoma cells to assess the effect of tobramycin on melanin production. After cytotoxicity was assessed by MTT assay, melanin content and tyrosinase activity analyses revealed that tobramycin induces melanin synthesis in B16F10 cells. Next, Western blot analyses were performed to elucidate the mechanism by which tobramycin increases melanin production; phosphorylated p38 protein expression was upregulated. Protein inhibitors have been used to elucidate the mechanism of tobramycin. Kanamycin A and B are structurally similar to tobramycin, and 2-DOS represents the central structure of these antibiotics. The effects of these substances on melanogenesis were evaluated. Kanamycin A reduced melanin production, whereas kanamycin B and 2-DOS had no effect. Overall, our data indicated that tobramycin increases melanin production by promoting p38 protein phosphorylation in B16F10 melanoma cells.
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Intramelanocytic Acidification Plays a Role in the Antimelanogenic and Antioxidative Properties of Vitamin C and Its Derivatives. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:2084805. [PMID: 31214276 PMCID: PMC6535878 DOI: 10.1155/2019/2084805] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2018] [Accepted: 03/31/2019] [Indexed: 12/31/2022]
Abstract
Although vitamin C (VC, L-ascorbic acid) has been widely used as a skin lightening agent for a long time, the mechanism by which it inhibits melanogenesis remains poorly understood. It is well-documented that the intramelanocytic pH is an important factor in regulating tyrosinase function and melanosome maturation. The activity of tyrosinase, the rate-limiting enzyme required for melanin synthesis, is generally minimal in an acidic environment. Given that VC is an acidic compound, we might speculate that the intracellular acidification of melanocytes induced by VC likely reduces melanin content through the suppression of tyrosinase activity. The results of this study reveal that treatment of melanocytes with VC or its derivatives, magnesium ascorbyl phosphate (MAP) and 3-O-ethyl-L-ascorbic acid (AAE), resulted in significant decreases in the tyrosinase activity and melanin content and in the levels of intracellular reactive oxygen species (ROS), indicating that VC and its derivatives possess antimelanogenic and antioxidative activities. Western blotting analysis indicated that VC, MAP, and AAE exert their antimelanogenic activity by inhibiting the tyrosinase activity rather than by downregulating the expression of melanogenic proteins such as tyrosinase, premelanosome protein 17 (Pmel17) and microphthalmia-associated transcription factor (MITF). Further, we found that the reduced tyrosinase activity of melanocytes treated with VC or its derivatives could be reactivated following intracellular neutralization induced by ammonium chloride (NH4Cl) or concanamycin A (Con A). Finally, we examined the expression of sodium-dependent VC transporter-2 (SVCT-2) using western blotting and qPCR, which revealed that there was a significant increase in the expression of SVCT-2 in melanocytes following treatment with VC. VC-mediated intracellular acidification was neutralized by phloretin (a putative SVCT-2 inhibitor) in a dose-dependent manner. Taken together, these data show that VC and its derivatives suppress tyrosinase activity through cytoplasmic acidification that potentially results from enhanced VC transmembrane transport via the VC transporter SVCT-2.
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Hałdys K, Latajka R. Thiosemicarbazones with tyrosinase inhibitory activity. MEDCHEMCOMM 2019; 10:378-389. [PMID: 31015905 DOI: 10.1039/c9md00005d] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 02/01/2019] [Indexed: 01/20/2023]
Abstract
Tyrosinase plays an essential role in melanogenesis. Excess production of melanin can be a reason for hyperpigmentation skin disorders in mammals and enzymatic browning in plant-derived foods. Catalyzing the rate-limiting step of melanin synthesis, tyrosinase has become the most studied target for melanogenesis inhibition. Over the past ten years, a number of synthetic thiosemicarbazone derivatives have been reported to possess strong tyrosinase inhibitory properties with IC50 values below 1 μM, placing them among the most potent tyrosinase inhibitors. This review gives an overview of tyrosinase activity and describes tyrosinase-inhibiting thiosemicarbazones in terms of their structure-activity relationships, kinetics of enzyme inhibition and mechanism of action. Results of the studies of thiosemicarbazones as tyrosinase inhibitors from over 20 research articles have been analyzed, compared and summarized in the present paper. Using thiosemicarbazones as tyrosinase inhibitors is a promising approach in developing anti-melanogenetic agents for skin-whitening cosmetics and anti-browning agents for food.
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Affiliation(s)
- Katarzyna Hałdys
- Wrocław University of Science and Technology , Department of Bioorganic Chemistry , Wybrzeże Wyspiańskiego 27 , 50-370 , Wrocław , Poland .
| | - Rafał Latajka
- Wrocław University of Science and Technology , Department of Bioorganic Chemistry , Wybrzeże Wyspiańskiego 27 , 50-370 , Wrocław , Poland .
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Lim J, Nam S, Jeong JH, Kim MJ, Yang Y, Lee MS, Lee HG, Ryu JH, Lim JS. Kazinol U inhibits melanogenesis through the inhibition of tyrosinase-related proteins via AMP kinase activation. Br J Pharmacol 2019; 176:737-750. [PMID: 30579288 DOI: 10.1111/bph.14560] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 11/23/2018] [Accepted: 11/27/2018] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND AND PURPOSE Kazinol U is a prenylated flavan isolated from an extract of Broussonetia kazinoki Sieb (Moraceae). Kazinol U has shown cytoprotective effects against cytokine-induced apoptotic cell death and induces AMP kinase (AMPK) activation through LKB1 activation. However, kazinol U has not been tested as a regulator of melanogenesis, although bark extract of B. kazinoki has been used as a cosmetic ingredient for skin conditioning. EXPERIMENTAL APPROACH We cultured mouse, human melanoma cells and normal human melanocytes to demonstrate anti-melanogenic effects of kazinol U. A tyrosinase activity assay, Western blot, RT-qPCR and a luciferase reporter gene assay were performed to determine the anti-melanogenic mechanisms of kazinol U. We confirmed its effect on melanogenesis in vivo using zebrafish. KEY RESULTS Kazinol U inhibited the expression and activity of tyrosinase, the rate-limiting enzyme in melanogenesis, and reduced tyrosinase expression and activity in response to cAMP-inducing agents. Kazinol U reduced the expression of other melanogenic enzymes, such as tyrosinase-related protein (Tyrp) 1 and Tyrp2, and down-regulated microphthalmia-associated transcription factor (MITF), the master regulator of the tyrosinase gene family. Moreover, kazinol U induced phosphorylation of AMPK and MAPK proteins, which are MITF inhibitors. It also exhibited anti-melanogenic effects in zebrafish, a recently developed in vivo model. CONCLUSIONS AND IMPLICATIONS Our findings suggest that kazinol U reduces melanogenesis via its inhibitory effect on MITF and its downstream target genes, tyrosinase, Tyrp1 and Tyrp2. This work may provide a basis for the application of kazinol U for the treatment of hyperpigmentation skin disorders.
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Affiliation(s)
- Jihyun Lim
- Department of Biological Science and Cellular Heterogeneity Research Center, Sookmyung Women's University, Seoul, Republic of Korea
| | - Sorim Nam
- Department of Biological Science and Cellular Heterogeneity Research Center, Sookmyung Women's University, Seoul, Republic of Korea
| | - Ji Hye Jeong
- Research Center for Cell Fate Control and College of Pharmacy, Sookmyung Women's University, Seoul, Republic of Korea
| | - Min Jung Kim
- Department of Biological Science and Cellular Heterogeneity Research Center, Sookmyung Women's University, Seoul, Republic of Korea
| | - Young Yang
- Department of Biological Science and Cellular Heterogeneity Research Center, Sookmyung Women's University, Seoul, Republic of Korea
| | - Myeong-Sok Lee
- Department of Biological Science and Cellular Heterogeneity Research Center, Sookmyung Women's University, Seoul, Republic of Korea
| | - Hee Gu Lee
- Medical Genomics Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
| | - Jae-Ha Ryu
- Research Center for Cell Fate Control and College of Pharmacy, Sookmyung Women's University, Seoul, Republic of Korea
| | - Jong-Seok Lim
- Department of Biological Science and Cellular Heterogeneity Research Center, Sookmyung Women's University, Seoul, Republic of Korea
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Woo SM, Choi WR, Lee DR, Kim HS, Yi C, Kim KH, Kim HL, Cheng J, Le B, Yang SH, Suh JW. Leukodin isolated from Artemisia capillaris inhibits alpha-melanocyte stimulating hormone induced melanogenesis in B16F10 melanoma cells. Eur J Integr Med 2019. [DOI: 10.1016/j.eujim.2018.10.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Hao S, Li S, Wang J, Zhao L, Zhang C, Huang W, Wang C. Phycocyanin Reduces Proliferation of Melanoma Cells through Downregulating GRB2/ERK Signaling. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:10921-10929. [PMID: 30253646 DOI: 10.1021/acs.jafc.8b03495] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
As a type of functional food additive, phycocyanin is shown to have a potential antineoplastic property. However, its underlying anticancer mechanism in melanoma cells remains unknown. We previously reported a 35S in vivo/vitro labeling analysis for dynamic proteomic (SiLAD) technology. It could exclusively detect protein synthesis rates via pulse labeling of newly expressed proteins by 35S, providing a high time-resolution method for analysis of protein variations. In the present study, we performed a time course analysis in A375 melanoma cells after phycocyanin treatment using SiLAD. Protein expression velocities were specifically visualized and their regulation modes were dynamically traced. Strikingly, novel protein synthesis patterns were discovered in the early phase of phycocyanin treatment, suggesting a possible mechanism of phycocyanin regulation. Furthermore, network analysis and phenotype experiments demonstrated that GRB2-ERK1/2 pathway was involved in phycocyanin-mediated regulation process and responsible for the proliferation suppression of melanoma cell, which could be a therapeutic target for malignant melanoma.
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Affiliation(s)
- Shuai Hao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives , Beijing Technology and Business University , Beijing 100048 , China
| | - Shuang Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives , Beijing Technology and Business University , Beijing 100048 , China
| | - Jing Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives , Beijing Technology and Business University , Beijing 100048 , China
| | - Lei Zhao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives , Beijing Technology and Business University , Beijing 100048 , China
| | - Chan Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives , Beijing Technology and Business University , Beijing 100048 , China
| | - Weiwei Huang
- Genetron Health (Beijing) Co. Ltd, Beijing 102208 , China
| | - Chengtao Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives , Beijing Technology and Business University , Beijing 100048 , China
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Alencar-Silva T, Braga MC, Santana GOS, Saldanha-Araujo F, Pogue R, Dias SC, Franco OL, Carvalho JL. Breaking the frontiers of cosmetology with antimicrobial peptides. Biotechnol Adv 2018; 36:2019-2031. [PMID: 30118811 DOI: 10.1016/j.biotechadv.2018.08.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Revised: 07/26/2018] [Accepted: 08/12/2018] [Indexed: 01/06/2023]
Abstract
Antimicrobial peptides (AMPs) are mostly endogenous, cationic, amphipathic polypeptides, produced by many natural sources. Recently, many biological functions beyond antimicrobial activity have been attributed to AMPs, and some of these have attracted the attention of the cosmetics industry. AMPs have revealed antioxidant, self-renewal and pro-collagen effects, which are desirable in anti-aging cosmetics. Additionally, AMPs may also be customized to act on specific cellular targets. Here, we review the recent literature that highlights the many possibilities presented by AMPs, focusing on the relevance and impact that this potentially novel class of active cosmetic ingredients might have in the near future, creating new market outlooks for the cosmetic industry with these molecules as a viable alternative to conventional cosmetics.
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Affiliation(s)
- Thuany Alencar-Silva
- Programa de Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, DF, Brazil
| | - Mariana Carolina Braga
- Programa de Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, DF, Brazil
| | - Gustavo Oliveira Silva Santana
- Programa de Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, DF, Brazil
| | - Felipe Saldanha-Araujo
- Laboratório de Farmacologia Molecular, Departamento de Ciências da Saúde, Universidade de Brasília, Brasilia, DF, Brazil; Programa de Pós-graduação em Patologia Molecular, Universidade de Brasília, Brasília, DF, Brazil
| | - Robert Pogue
- Programa de Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, DF, Brazil
| | - Simoni Campos Dias
- Programa de Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, DF, Brazil; Universidade de Brasília, Pós-Graduação em Biologia Animal, Campus Darcy Ribeiro, Brasília/DF, 70910-900, Brazil
| | - Octavio Luiz Franco
- Programa de Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, DF, Brazil; S-Inova Biotech, Pós-graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande, MS, Brazil; Programa de Pós-graduação em Patologia Molecular, Universidade de Brasília, Brasília, DF, Brazil; Centro de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil
| | - Juliana Lott Carvalho
- Programa de Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, DF, Brazil.
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Pillaiyar T, Namasivayam V, Manickam M, Jung SH. Inhibitors of Melanogenesis: An Updated Review. J Med Chem 2018; 61:7395-7418. [PMID: 29763564 DOI: 10.1021/acs.jmedchem.7b00967] [Citation(s) in RCA: 175] [Impact Index Per Article: 29.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Melanins are pigment molecules that determine the skin, eye, and hair color of the human subject to its amount, quality, and distribution. Melanocytes synthesize melanin and provide epidermal protection from various stimuli, such as harmful ultraviolet radiation, through the complex process called melanogenesis. However, serious dermatological problems occur when there is excessive production of melanin in different parts of the human body. These include freckles, melasma, senile lentigo, pigmented acne scars, and cancer. Therefore, controlling the production of melanin is an important approach for the treatment of pigmentation related disorderes. In this Perspective, we focus on the inhibitors of melanogenesis that directly/indirectly target a key enzyme tyrosinase as well as its associated signaling pathways.
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Affiliation(s)
- Thanigaimalai Pillaiyar
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I , University of Bonn , An der Immenburg 4 , D-53121 Bonn , Germany
| | - Vigneshwaran Namasivayam
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I , University of Bonn , An der Immenburg 4 , D-53121 Bonn , Germany
| | - Manoj Manickam
- College of Pharmacy and Institute of Drug Research and Development , Chungnam National University , Daejeon 34134 , Korea
| | - Sang-Hun Jung
- College of Pharmacy and Institute of Drug Research and Development , Chungnam National University , Daejeon 34134 , Korea
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Phytol suppresses melanogenesis through proteasomal degradation of MITF via the ROS-ERK signaling pathway. Chem Biol Interact 2018; 286:132-140. [DOI: 10.1016/j.cbi.2018.02.033] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 02/14/2018] [Accepted: 02/23/2018] [Indexed: 11/19/2022]
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Li Q, Yang H, Mo J, Chen Y, Wu Y, Kang C, Sun Y, Sun H. Identification by shape-based virtual screening and evaluation of new tyrosinase inhibitors. PeerJ 2018; 6:e4206. [PMID: 29383286 PMCID: PMC5788061 DOI: 10.7717/peerj.4206] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Accepted: 12/08/2017] [Indexed: 12/17/2022] Open
Abstract
Targeting tyrosinase is considered to be an effective way to control the production of melanin. Tyrosinase inhibitor is anticipated to provide new therapy to prevent skin pigmentation, melanoma and neurodegenerative diseases. Herein, we report our results in identifying new tyrosinase inhibitors. The shape-based virtual screening was performed to discover new tyrosinase inhibitors. Thirteen potential hits derived from virtual screening were tested by biological determinations. Compound 5186-0429 exhibited the most potent inhibitory activity. It dose-dependently inhibited the activity of tyrosinase, with the IC50 values 6.2 ± 2.0 µM and 10.3 ± 5.4 µM on tyrosine and L-Dopa formation, respectively. The kinetic study of 5186-0429 demonstrated that this compound acted as a competitive inhibitor. We believe the discoveries here could serve as a good starting point for further design of potent tyrosinase inhibitor.
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Affiliation(s)
- Qi Li
- Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing, China
| | - Hongyu Yang
- Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing, China
| | - Jun Mo
- Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing, China
| | - Yao Chen
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yue Wu
- Nanjing Duoyuan Biochemistry Co., Ltd., Nanjing, China
| | - Chen Kang
- Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, IA, United States of America
| | - Yuan Sun
- Department of Biochemistry and Molecular Medicine, University of California, Davis, Sacramento, CA, United States of America
| | - Haopeng Sun
- Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing, China
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Pillaiyar T, Manickam M, Namasivayam V. Skin whitening agents: medicinal chemistry perspective of tyrosinase inhibitors. J Enzyme Inhib Med Chem 2017; 32:403-425. [PMID: 28097901 PMCID: PMC6010116 DOI: 10.1080/14756366.2016.1256882] [Citation(s) in RCA: 481] [Impact Index Per Article: 68.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Revised: 09/07/2016] [Accepted: 10/11/2016] [Indexed: 12/31/2022] Open
Abstract
Melanogenesis is a process to synthesize melanin, which is a primary responsible for the pigmentation of human skin, eye and hair. Although numerous enzymatic catalyzed and chemical reactions are involved in melanogenesis process, the enzymes such as tyrosinase and tyrosinase-related protein-1 (TRP-1) and TRP-2 played a major role in melanin synthesis. Specifically, tyrosinase is a key enzyme, which catalyzes a rate-limiting step of the melanin synthesis, and the downregulation of tyrosinase is the most prominent approach for the development of melanogenesis inhibitors. Therefore, numerous inhibitors that target tyrosinase have been developed in recent years. The review focuses on the recent discovery of tyrosinase inhibitors that are directly involved in the inhibition of tyrosinase catalytic activity and functionality from all sources, including laboratory synthetic methods, natural products, virtual screening and structure-based molecular docking studies.
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Affiliation(s)
- Thanigaimalai Pillaiyar
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, Bonn, Germany
| | - Manoj Manickam
- College of Pharmacy and Institute of Drug Research and Development, Chungnam National University, Daejeon, Korea
| | - Vigneshwaran Namasivayam
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, Bonn, Germany
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Garcia-Jimenez A, Teruel-Puche JA, Garcia-Ruiz PA, Saura-Sanmartin A, Berna J, Garcia-Canovas F, Rodriguez-Lopez JN. Structural and kinetic considerations on the catalysis of deoxyarbutin by tyrosinase. PLoS One 2017; 12:e0187845. [PMID: 29136639 PMCID: PMC5685642 DOI: 10.1371/journal.pone.0187845] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Accepted: 10/26/2017] [Indexed: 11/18/2022] Open
Abstract
Deoxyarbutin, a potent inhibitor of tyrosinase, could act as substrate of the enzyme. Oxytyrosinase is able to hydroxylate deoxyarbutin and finishes the catalytic cycle by oxidizing the formed o-diphenol to quinone, while the enzyme becomes deoxytyrosinase, which evolves to oxytyrosinase in the presence of oxygen. This compound is the only one described that does not release o-diphenol after the hydroxylation step. Oxytyrosinase hydroxylates the deoxyarbutin in ortho position of the phenolic hydroxyl group by means of an aromatic electrophilic substitution. As the oxygen orbitals and the copper atoms are not coplanar, but in axial/equatorial position, the concerted oxidation/reduction cannot occur and the release of a copper atom to bind again in coplanar position, enabling the oxidation/reduction or release of the o-diphenol from the active site to the medium. In the case of deoxyarbutin, the o-diphenol formed is repulsed by the water due to its hydrophobicity, and so can bind correctly and be oxidized to a quinone before being released. Deoxyarbutin has been characterized with: [Formula: see text] = 1.95 ± 0.06 s-1 and [Formula: see text] = 33 ± 4 μM. Computational simulations of the interaction of β-arbutin, deoxyarbutin and their o-diphenol products with tyrosinase show how these ligands bind at the copper centre of tyrosinase. The presence of an energy barrier in the release of the o-diphenol product of deoxyarbutin, which is not present in the case of β-arbutin, together with the differences in polarity and, consequently differences in their interaction with water help understand the differences in the kinetic behaviour of both compounds. Therefore, it is proposed that the release of the o-diphenol product of deoxyarbutin from the active site might be slower than in the case of β-arbutin, contributing to its oxidation to a quinone before being released from the protein into the water phase.
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Affiliation(s)
- Antonio Garcia-Jimenez
- 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
| | - Jose Antonio Teruel-Puche
- Group of Molecular Interactions in Membranes, Department of Biochemistry and Molecular Biology-A, University of Murcia, Espinardo, Murcia, Spain
| | - Pedro Antonio Garcia-Ruiz
- Group of Chemistry of Carbohydrates, Industrial Polymers and Additives, Department of Organic Chemistry, Faculty of Veterinary, University of Murcia, Espinardo, Murcia, Spain
| | - Adrian Saura-Sanmartin
- Group of Synthetic Organic Chemistry, Department of Organic Chemistry, Faculty of Chemistry, University of Murcia, Espinardo, Murcia, Spain
| | - Jose Berna
- Group of Synthetic Organic Chemistry, Department of Organic Chemistry, Faculty of Chemistry, University of Murcia, Espinardo, Murcia, Spain
| | - Francisco 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
- * E-mail:
| | - José Neptuno Rodriguez-Lopez
- 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
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Garcia-Jimenez A, Teruel-Puche JA, Garcia-Ruiz PA, Saura-Sanmartin A, Berna J, Rodríguez-López JN, Garcia-Canovas F. Action of tyrosinase on caffeic acid and its n-nonyl ester. Catalysis and suicide inactivation. Int J Biol Macromol 2017; 107:2650-2659. [PMID: 29080822 DOI: 10.1016/j.ijbiomac.2017.10.151] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Revised: 10/24/2017] [Accepted: 10/24/2017] [Indexed: 11/19/2022]
Abstract
Different mechanisms for inhibiting tyrosinase can be designed to avoid postharvest quality losses of fruits and vegetables. The action of tyrosinase on caffeic acid and its n-nonyl ester (n-nonyl caffeate) was characterized kinetically in this work. The results lead us to propose that both compounds are suicide substrates of tyrosinase, for which we establish the catalytic and inactivation efficiencies. The ester is more potent as inactivator than the caffeic acid and the number of turnovers made by one molecule of the enzyme before its inactivation (r) is lower for the ester. We proposed that the anti-browning and antibacterial properties may be due to suicide inactivation processes.
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Affiliation(s)
- Antonio Garcia-Jimenez
- GENZ-Group of research on Enzymology, Department of Biochemistry and Molecular Biology-A, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, E-30100, Espinardo, Murcia, Spain(1)
| | - Jose Antonio Teruel-Puche
- Group of Molecular Interactions in Membranes, Department of Biochemistry and Molecular Biology-A, University of Murcia, E-30100, Espinardo, Murcia, Spain
| | - Pedro Antonio Garcia-Ruiz
- University of Murcia, Faculty of Veterinary, Group of Chemistry of Carbohydrates, Industrial Polymers and Additives, Department of Organic Chemistry, E-30100 Murcia, Spain
| | - Adrian Saura-Sanmartin
- Group of Synthetic Organic Chemistry, Department of Organic Chemistry, Faculty of Chemistry, University of Murcia, E-30100 Espinardo, Murcia, Spain
| | - Jose Berna
- Group of Synthetic Organic Chemistry, Department of Organic Chemistry, Faculty of Chemistry, University of Murcia, E-30100 Espinardo, Murcia, Spain
| | - Jose Neptuno Rodríguez-López
- GENZ-Group of research on Enzymology, Department of Biochemistry and Molecular Biology-A, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, E-30100, Espinardo, Murcia, Spain(1)
| | - Francisco 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, E-30100, Espinardo, Murcia, Spain(1).
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Pillaiyar T, Manickam M, Jung SH. Recent development of signaling pathways inhibitors of melanogenesis. Cell Signal 2017; 40:99-115. [PMID: 28911859 DOI: 10.1016/j.cellsig.2017.09.004] [Citation(s) in RCA: 131] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Revised: 09/10/2017] [Accepted: 09/10/2017] [Indexed: 02/08/2023]
Abstract
Human skin, eye and hair color rely on the production of melanin, depending on its quantity, quality, and distribution, Melanin plays a monumental role in protecting the skin against the harmful effect of ultraviolet radiation and oxidative stress from various environmental pollutants. However, an excessive production of melanin causes serious dermatological problems such as freckles, solar lentigo (age spots), melasma, as well as cancer. Hence, the regulation of melanin production is important for controlling the hyper-pigmentation. Melanogenesis, a biosynthetic pathway to produce melanin pigment in melanocyte, involves a series of intricate enzymatic and chemical catalyzed reactions. Several extrinsic factors include ultraviolet radiation and chemical drugs, and intrinsic factors include molecules secreted by surrounding keratinocytes or melanocytes, and fibroblasts, all of which regulate melanogenesis. This article reviews recent advances in the development of melanogenesis inhibitors that directly/indirectly target melanogenesis-related signaling pathways. Efforts have been made to provide a description of the mechanism of action of inhibitors on various melanogenesis signaling pathways.
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Affiliation(s)
- Thanigaimalai Pillaiyar
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany.
| | - Manoj Manickam
- College of Pharmacy and Institute of Drug Research and Development, Chungnam National, University, Daejeon 34134, Republic of Korea
| | - Sang-Hun Jung
- College of Pharmacy and Institute of Drug Research and Development, Chungnam National, University, Daejeon 34134, Republic of Korea
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39
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Micillo R, Pistorio V, Pizzo E, Panzella L, Napolitano A, D'Ischia M. 2- S-Lipoylcaffeic Acid, a Natural Product-Based Entry to Tyrosinase Inhibition via Catechol Manipulation. Biomimetics (Basel) 2017; 2:biomimetics2030015. [PMID: 31105178 PMCID: PMC6352668 DOI: 10.3390/biomimetics2030015] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 08/04/2017] [Accepted: 08/09/2017] [Indexed: 12/23/2022] Open
Abstract
Conjugation of naturally occurring catecholic compounds with thiols is a versatile and facile entry to a broad range of bioinspired multifunctional compounds for diverse applications in biomedicine and materials science. We report herein the inhibition properties of the caffeic acid- dihydrolipoic acid S-conjugate, 2-S-lipoylcaffeic acid (LC), on mushroom tyrosinase. Half maximum inhibitory concentration (IC50) values of 3.22 ± 0.02 and 2.0 ± 0.1 µM were determined for the catecholase and cresolase activity of the enzyme, respectively, indicating a greater efficiency of LC compared to the parent caffeic acid and the standard inhibitor kojic acid. Analysis of the Lineweaver–Burk plot suggested a mixed-type inhibition mechanism. LC proved to be non-toxic on human keratinocytes (HaCaT) at concentrations up to 30 µM. These results would point to LC as a novel prototype of melanogenesis regulators for the treatment of pigmentary disorders.
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Affiliation(s)
- Raffaella Micillo
- Department of Chemical Sciences, University of Naples "Federico II", Via Cintia 4, I-80126 Naples, Italy.
| | - Valeria Pistorio
- Department of Biology, University of Naples "Federico II", Via Cintia 4, I-80126 Naples, Italy.
| | - Elio Pizzo
- Department of Biology, University of Naples "Federico II", Via Cintia 4, I-80126 Naples, Italy.
| | - Lucia Panzella
- Department of Chemical Sciences, University of Naples "Federico II", Via Cintia 4, I-80126 Naples, Italy.
| | - Alessandra Napolitano
- Department of Chemical Sciences, University of Naples "Federico II", Via Cintia 4, I-80126 Naples, Italy.
| | - Marco D'Ischia
- Department of Chemical Sciences, University of Naples "Federico II", Via Cintia 4, I-80126 Naples, Italy.
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40
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Niu C, Aisa HA. Upregulation of Melanogenesis and Tyrosinase Activity: Potential Agents for Vitiligo. Molecules 2017; 22:molecules22081303. [PMID: 28777326 PMCID: PMC6152334 DOI: 10.3390/molecules22081303] [Citation(s) in RCA: 96] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Revised: 07/28/2017] [Accepted: 08/01/2017] [Indexed: 12/23/2022] Open
Abstract
Melanin, the compound primarily responsible in humans for hair, eye and skin pigmentation, is produced by melanocytes through a complicated process called melanogenesis that is catalyzed by tyrosinase and other tyrosinase-related proteins. The abnormal loss of melanin causes dermatological problems such as vitiligo. Hence the regulation of melanogenesis and tyrosinase activity is very important for treating hypopigmentary disorders. Many melanogenesis stimulators have been discovered during the past decade. This article reviews recent advances in research on extracts and active ingredients of plants, synthesized compounds with stimulating effect on melanin synthesis and tyrosinase activity, as well as their influence on the expression of related proteins and possible signaling pathways for the design and development of novel anti-vitiligo agents.
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Affiliation(s)
- Chao Niu
- Key Laboratory of Plant Resources and Chemistry of Arid Zone, Chinese Academy of Sciences, Urumqi 830011, China.
- State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China.
| | - Haji A Aisa
- Key Laboratory of Plant Resources and Chemistry of Arid Zone, Chinese Academy of Sciences, Urumqi 830011, China.
- State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China.
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41
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Jo H, Choi M, Sim J, Viji M, Li S, Lee YH, Kim Y, Seo SY, Zhou Y, Lee K, Kim WJ, Hong JT, Lee H, Jung JK. Synthesis and biological evaluation of caffeic acid derivatives as potent inhibitors of α-MSH-stimulated melanogenesis. Bioorg Med Chem Lett 2017; 27:3374-3377. [PMID: 28619537 DOI: 10.1016/j.bmcl.2017.06.011] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2017] [Revised: 05/22/2017] [Accepted: 06/02/2017] [Indexed: 11/17/2022]
Abstract
We have disclosed our effort to develop caffeic acid derivatives as potent and non-toxic inhibitors of α-MSH-stimulated melanogenesis to treat pigmentation disorders and skin medication including a cosmetic skin-whitening agent. The SAR studies revealed that cyclohexyl ester and secondary amide derivatives of caffeic acid showed significant inhibitory activities.
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Affiliation(s)
- Hyeju Jo
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Republic of Korea
| | - Minho Choi
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Republic of Korea
| | - Jaeuk Sim
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Republic of Korea
| | - Mayavan Viji
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Republic of Korea
| | - Siyuan Li
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Republic of Korea
| | - Young Hee Lee
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Republic of Korea
| | - Youngsoo Kim
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Republic of Korea
| | - Seung-Yong Seo
- College of Pharmacy and Gachon Institute of Pharmaceutical Sciences, Gachon University, Incheon 21936, Republic of Korea.
| | - Yuanyuan Zhou
- College of Pharmacy, Korea University, Sejong 30019, Republic of Korea
| | - Kiho Lee
- College of Pharmacy, Korea University, Sejong 30019, Republic of Korea
| | - Wun-Jae Kim
- College of Medicines, Chungbuk National University, Cheongju 28644, Republic of Korea
| | - Jin Tae Hong
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Republic of Korea
| | - Heesoon Lee
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Republic of Korea
| | - Jae-Kyung Jung
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Republic of Korea.
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Garcia-Jimenez A, Teruel-Puche JA, Berna J, Rodriguez-Lopez JN, Tudela J, Garcia-Canovas F. Action of tyrosinase on alpha and beta-arbutin: A kinetic study. PLoS One 2017; 12:e0177330. [PMID: 28493937 PMCID: PMC5426667 DOI: 10.1371/journal.pone.0177330] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Accepted: 04/17/2017] [Indexed: 11/18/2022] Open
Abstract
The known derivatives from hydroquinone, α and β-arbutin, are used as depigmenting agents. In this work, we demonstrate that the oxy form of tyrosinase (oxytyrosinase) hydroxylates α and β-arbutin in ortho position of the phenolic hydroxyl group, giving rise to a complex formed by met-tyrosinase with the hydroxylated α or β-arbutin. This complex could evolve in two ways: by oxidizing the originated o-diphenol to o-quinone and deoxy-tyrosinase, or by delivering the o-diphenol and met-tyrosinase to the medium, which would produce the self-activation of the system. Note that the quinones generated in both cases are unstable, so the catalysis cannot be studied quantitatively. However, if 3-methyl-2-benzothiazolinone hydrazone hydrochloride hydrate is used, the o-quinone is attacked, so that it becomes an adduct, which can be oxidized by another molecule of o-quinone, generating o-diphenol in the medium. In this way, the system reaches the steady state and originates a chromophore, which, in turn, has a high absorptivity in the visible spectrum. This reaction allowed us to characterize α and β-arbutin kinetically as substrates of tyrosinase for the first time, obtaining a Michaelis constant values of 6.5 ± 0.58 mM and 3 ± 0.19 mM, respectively. The data agree with those from docking studies that showed that the enzyme has a higher affinity for β-arbutin. Moreover, the catalytic constants obtained by the kinetic studies (catalytic constant = 4.43 ± 0.33 s-1 and 3.7 ± 0.29 s-1 for α and β-arbutin respectively) agree with our forecast based on 13 C NMR considerations. This kinetic characterization of α and β-arbutin as substrates of tyrosinase should be taken into account to explain possible adverse effects of these compounds.
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Affiliation(s)
- Antonio Garcia-Jimenez
- 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
| | - Jose Antonio Teruel-Puche
- Group of Molecular Interactions in Membranes, Department of Biochemistry and Molecular Biology-A, University of Murcia, Espinardo, Murcia, Spain
| | - Jose Berna
- Group of Synthetic Organic Chemistry, Department of Organic Chemistry, Faculty of Chemistry, University of Murcia, Espinardo, Murcia, Spain
| | - José Neptuno Rodriguez-Lopez
- 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
| | - Jose Tudela
- 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
| | - Francisco 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
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Liu YY, Su XR, Liu SS, Yang SS, Jiang CY, Zhang Y, Zhang S. Zebrafish phosvitin-derived peptide Pt5 inhibits melanogenesis via cAMP pathway. FISH PHYSIOLOGY AND BIOCHEMISTRY 2017; 43:517-525. [PMID: 28130732 DOI: 10.1007/s10695-016-0306-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Zebrafish phosvitin-derived peptide Pt5, consisting of the C-terminal 55 residues of phosvitin, has been shown to have an antimicrobial-immunomodulatory activity comparable to phosvitin. Here, we showed clearly that Pt5 had the capacity to inhibit tyrosinase (TYR) activity and melanin biosynthesis, and this inhibition was independent of cell proliferation and cytotoxic effects. Incubation of fluorescein isothiocyanate (FITC)-labeled Pt5 with B16F10 melanoma cells revealed that Pt5 was localized in the cytoplasm of the cells. In addition, Pt5 inhibited the expression of TYR, tyrosinase-related protein-1 (TRP-1), tyrosinase-related protein-2 (TRP-2), and microphthalmia-associated transcription factor (MITF) in B16F10 melanoma cells and reduced the intracellular cyclic adenosine monophosphate (cAMP) concentration in the cells, but it did not affect the cellular contents of pERK1/2 and β-catenin, suggesting that Pt5 regulates melanin biosynthesis via cAMP signaling pathway rather than Wnt and MAPK pathways. Collectively, these data indicate that Pt5 has the potential to be used as a melanogenesis inhibitor in medical and cosmetic industry, a novel role ever reported.
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Affiliation(s)
- Yuan-Yuan Liu
- Department of Medical Laboratory, Shaoyang University, Shaoyang, Hunan, 422000, China
- Laboratory for Evolution & Development, Institute of Evolution & Marine Biodiversity, Department of Marine Biology, Ocean University of China, Room 205, Ke Xue Guan, 5 Yushan Road, Qingdao, 266003, China
| | - Xiu-Rong Su
- School of Marine Sciences, Ningbo University, Ningbo, Zhejiang, 315211, China
| | - Shou-Sheng Liu
- Laboratory for Evolution & Development, Institute of Evolution & Marine Biodiversity, Department of Marine Biology, Ocean University of China, Room 205, Ke Xue Guan, 5 Yushan Road, Qingdao, 266003, China
| | - Shuang-Shuang Yang
- Laboratory for Evolution & Development, Institute of Evolution & Marine Biodiversity, Department of Marine Biology, Ocean University of China, Room 205, Ke Xue Guan, 5 Yushan Road, Qingdao, 266003, China
| | - Cheng-Yan Jiang
- Laboratory for Evolution & Development, Institute of Evolution & Marine Biodiversity, Department of Marine Biology, Ocean University of China, Room 205, Ke Xue Guan, 5 Yushan Road, Qingdao, 266003, China
- College of Life Science and Technology, Honghe University, Mengzi, Yunnan, 661100, China
| | - Yu Zhang
- Laboratory for Evolution & Development, Institute of Evolution & Marine Biodiversity, Department of Marine Biology, Ocean University of China, Room 205, Ke Xue Guan, 5 Yushan Road, Qingdao, 266003, China.
| | - Shicui Zhang
- Laboratory for Evolution & Development, Institute of Evolution & Marine Biodiversity, Department of Marine Biology, Ocean University of China, Room 205, Ke Xue Guan, 5 Yushan Road, Qingdao, 266003, China.
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Pintus F, Matos MJ, Vilar S, Hripcsak G, Varela C, Uriarte E, Santana L, Borges F, Medda R, Di Petrillo A, Era B, Fais A. New insights into highly potent tyrosinase inhibitors based on 3-heteroarylcoumarins: Anti-melanogenesis and antioxidant activities, and computational molecular modeling studies. Bioorg Med Chem 2017; 25:1687-1695. [DOI: 10.1016/j.bmc.2017.01.037] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Revised: 01/13/2017] [Accepted: 01/21/2017] [Indexed: 11/16/2022]
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45
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Skin Whitening Cosmetics: Feedback and Challenges in the Development of Natural Skin Lighteners. COSMETICS 2016. [DOI: 10.3390/cosmetics3040036] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
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46
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Downregulation of melanogenesis: drug discovery and therapeutic options. Drug Discov Today 2016; 22:282-298. [PMID: 27693716 DOI: 10.1016/j.drudis.2016.09.016] [Citation(s) in RCA: 97] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Revised: 08/11/2016] [Accepted: 09/20/2016] [Indexed: 01/03/2023]
Abstract
Melanin, primarily responsible in humans for hair, eye and skin pigmentation, is produced by melanocytes through a process called melanogenesis. However, the abnormal accumulation of melanin causes dermatological problems such as café-au-lait macules ephelides (freckles), solar lentigo (age spots) and melasma, as well as cancer and vitiligo. Hence the regulation of melanogenesis is very important for treating hyperpigmentary disorders. Numerous antimelanogenic agents that target tyrosinase activity and/or stability, melanosome maturation, transfer and trafficking, or melanogenesis-related signaling pathways have been developed. This article reviews recent advances in research and development of human tyrosinase and melanogenesis-related signaling pathway inhibitors. Attempts have been made to provide a complete description of the mechanism of action of inhibitors on various melanogenesis signaling pathways.
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47
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Sun L, Pan S, Yang Y, Sun J, Liang D, Wang X, Xie X, Hu J. Toll-like receptor 9 regulates melanogenesis through NF-κB activation. Exp Biol Med (Maywood) 2016; 241:1497-504. [PMID: 27075928 DOI: 10.1177/1535370216642529] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Accepted: 03/01/2016] [Indexed: 12/22/2022] Open
Abstract
Toll-like receptors play essential roles in the modulation of melanogenesis, which has been implicated in the pathogenesis of hyper- or hypopigmentation-related diseases. However, little is currently known regarding the role of TLR9 in human melanocytes. TLR9 recognizes unmethylated cytosine-phosphate-guanine motif-containing oligodeoxynucleotides, and cytosine-phosphate-guanine ODN2006 acts as an hTLR9 agonist. The aim of the present study was to investigate the effect of cytosine-phosphate-guanine ODN2006 on melanogenesis in the human melanocyte cells. MTT assay and enzyme-linked immunosorbent assay indicated that ODN2006 stimulation (0, 1, 5, 10 µM) dose-dependently reduced cell viability and promoted the production of TNF-α, IL-6, and IL-8 in PIG1 melanocytes. The mRNA and protein levels of PMEL and TYRosinase were elevated at 6 h, and then decreased 24 h later, but were significantly augmented 72 h later following ODN2006 stimulation; whereas, TLR9 expressions were time-dependently increased in PIG1 melanocytes. Moreover, ultraviolet B irradiation combined with ODN2006 stimulation induced much more significant enhancement of PMEL, TYRosinase, and TLR9 mRNA and protein after three days in PIG1 melanocytes, and the similar results were obtained using the primary human melanocytes. The expression of TLR9 protein was down-regulated by TLR9 siRNA transfection. ODN2006 had an additive effect on ultraviolet B-induced melanogenesis and PMEL expression, as well as NF-κB activation, which could be blocked by TLR9 knockdown, the NF-κB specific inhibitor PDTC, or the TBK1 inhibitor BX795. Collectively, we concluded that TLR9 regulates melanogenesis through NF-κB activation, suggesting that TLR9 may play a role in microbial-induced melanogenesis.
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Affiliation(s)
- Lijun Sun
- Shaanxi Provincial Key Laboratory of Infectious and Immunological Diseases, Shaanxi Provincial People's Hospital, Xi'an 710068, China
| | - Shengjun Pan
- Department of Nursing, Huanghuai University, Zhumadian 463000, China
| | - Yuejin Yang
- Kaifeng Center for Disease Control and Prevention, Kaifeng 475004, China
| | - Jingying Sun
- Shaanxi Provincial Key Laboratory of Infectious and Immunological Diseases, Shaanxi Provincial People's Hospital, Xi'an 710068, China
| | - Daoyan Liang
- Shaanxi Provincial Key Laboratory of Infectious and Immunological Diseases, Shaanxi Provincial People's Hospital, Xi'an 710068, China
| | - Xin Wang
- Shaanxi Provincial Key Laboratory of Infectious and Immunological Diseases, Shaanxi Provincial People's Hospital, Xi'an 710068, China
| | - Xin Xie
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University, Xi'an 710069, China Department of Translational Medicine, Institute of Integrated Medical Information, Xi'an 710016, China
| | - Jun Hu
- Shaanxi Provincial Key Laboratory of Infectious and Immunological Diseases, Shaanxi Provincial People's Hospital, Xi'an 710068, China
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Ortiz-Ruiz CV, Berna J, Rodriguez-Lopez JN, Tomas V, Garcia-Canovas F. Tyrosinase-Catalyzed Hydroxylation of 4-Hexylresorcinol, an Antibrowning and Depigmenting Agent: A Kinetic Study. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:7032-7040. [PMID: 26176355 DOI: 10.1021/acs.jafc.5b02523] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
4-Hexylresorcinol (HR) is a compound used in the food and cosmetic industries as an antibrowning and lightening agent. Its use is mainly attributed to its inhibitory effect on the enzyme tyrosinase. However, the enzyme hydroxylates HR to an o-diphenol, which it then oxidizes to an o-quinone, which rapidly isomerizes to p-quinone. For tyrosinase to act in this way, the Eox form (oxy-tyrosinase) must be present in the reaction medium, which can be brought about by (a) hydrogen peroxide, (b) ascorbic acid, or (c) catalytic concentrations of o-diphenol and a reductant (NADH) to maintain it constant. This work demonstrates that HR is a substrate of tyrosinase and proposes a mechanism for its action. Its kinetic characterization provides a catalytic constant of 0.85 ± 0.04 s(-1) and a Michaelis constant of 60.31 ± 6.73 μM.
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Affiliation(s)
- Carmen Vanessa Ortiz-Ruiz
- †GENZ-Group of Research on Enzymology, Department of Biochemistry and Molecular Biology-A, ‡Group of Synthetic Organic Chemistry, Department of Organic Chemistry, and #Department of Analytical Chemistry, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, 30071 Murcia, Spain
| | - Jose Berna
- †GENZ-Group of Research on Enzymology, Department of Biochemistry and Molecular Biology-A, ‡Group of Synthetic Organic Chemistry, Department of Organic Chemistry, and #Department of Analytical Chemistry, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, 30071 Murcia, Spain
| | - Jose Neptuno Rodriguez-Lopez
- †GENZ-Group of Research on Enzymology, Department of Biochemistry and Molecular Biology-A, ‡Group of Synthetic Organic Chemistry, Department of Organic Chemistry, and #Department of Analytical Chemistry, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, 30071 Murcia, Spain
| | - Virginia Tomas
- †GENZ-Group of Research on Enzymology, Department of Biochemistry and Molecular Biology-A, ‡Group of Synthetic Organic Chemistry, Department of Organic Chemistry, and #Department of Analytical Chemistry, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, 30071 Murcia, Spain
| | - Francisco Garcia-Canovas
- †GENZ-Group of Research on Enzymology, Department of Biochemistry and Molecular Biology-A, ‡Group of Synthetic Organic Chemistry, Department of Organic Chemistry, and #Department of Analytical Chemistry, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, 30071 Murcia, Spain
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49
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Matos MJ, Varela C, Vilar S, Hripcsak G, Borges F, Santana L, Uriarte E, Fais A, Di Petrillo A, Pintus F, Era B. Design and discovery of tyrosinase inhibitors based on a coumarin scaffold. RSC Adv 2015. [DOI: 10.1039/c5ra14465e] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A novel series of 3-aryl and 3-heteroarylcoumarins displaying tyrosinase inhibitory activity.
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