1
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Sadeghian S, Zare F, Khoshneviszadeh M, Hafshejani AF, Salahshour F, Khodabakhshloo A, Saghaie L, Goshtasbi G, Sarikhani Z, Poustforoosh A, Sabet R, Sadeghpour H. Synthesis, biological evaluation, molecular docking, MD simulation and DFT analysis of new 3-hydroxypyridine-4-one derivatives as anti-tyrosinase and antioxidant agents. Heliyon 2024; 10:e35281. [PMID: 39170370 PMCID: PMC11336475 DOI: 10.1016/j.heliyon.2024.e35281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Revised: 07/24/2024] [Accepted: 07/25/2024] [Indexed: 08/23/2024] Open
Abstract
In the present study, ten new substituted 3-hydroxypyridine-4-one derivatives were synthesized in a four-step method, and their chemical structures were confirmed using various spectroscopic techniques. Subsequently, the inhibitory activities of these derivatives against tyrosinase enzyme and their antioxidant activities were evaluated. Amongest the synthesized compounds, 6b bearing a 4-OH-3-OCH3 substitution was found to be a promising tyrosinase inhibitor with an IC50 value of 25.82 μM, which is comparable to the activity of kojic acid as control drug. Kinetic study indicated that compound 6b is a competitive inhibitor of tyrosinase enzyme, which was confirmed by molecular docking results. The molecular docking study and MD simulation showed that compound 6b was properly placed within the tyrosinase binding pocket and interacted with key residues, which is consistent with its biological activity. The DFT analysis demonstrated that compound 6b is kinetically more stable than the other compounds. In addition, compounds 6a and 6b exhibited the best antioxidant activities. The findings indicate that compound 6b could be a promising lead for further studies.
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Affiliation(s)
- Sara Sadeghian
- Department of Medicinal Chemistry, Faculty of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Fateme Zare
- Department of Medicinal Chemistry, Faculty of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
- Faculty of Pharmacy and Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mehdi Khoshneviszadeh
- Department of Medicinal Chemistry, Faculty of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Arian Fathi Hafshejani
- Department of Medicinal Chemistry, Faculty of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Farhang Salahshour
- Department of Medicinal Chemistry, Faculty of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ahmadreza Khodabakhshloo
- Department of Medicinal Chemistry, Faculty of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Lotfollah Saghaie
- Department of Medicinal Chemistry, Faculty of Pharmacy, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ghazal Goshtasbi
- Department of Medicinal Chemistry, Faculty of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zahra Sarikhani
- Department of Medicinal Chemistry, Faculty of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Alireza Poustforoosh
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Razieh Sabet
- Department of Medicinal Chemistry, Faculty of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hossein Sadeghpour
- Department of Medicinal Chemistry, Faculty of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
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2
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Jiménez-Pérez A, Fernández-Fariña S, Pedrido R, García-Tojal J. Desulfurization of thiosemicarbazones: the role of metal ions and biological implications. J Biol Inorg Chem 2024; 29:3-31. [PMID: 38148423 DOI: 10.1007/s00775-023-02037-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 09/26/2023] [Indexed: 12/28/2023]
Abstract
Thiosemicarbazones are biologically active substances whose structural formula is formed by an azomethine, an hydrazine, and a thioamide fragments, to generate a R2C=N-NR-C(=S)-NR2 backbone. These compounds often act as ligands to generate highly stable metal-organic complexes. In certain experimental conditions, however, thiosemicarbazones undergo reactions leading to the cleavage of the chain. Sometimes, the breakage involves desulfurization processes. The present work summarizes the different chemical factors that influence the desulfurization reactions of thiosemicarbazones, such as pH, the presence of oxidant reactants or the establishment of redox processes as those electrochemically induced, the effects of the solvent, the temperature, and the electromagnetic radiation. Many of these reactions require coordination of thiosemicarbazones to metal ions, even those present in the intracellular environment. The nature of the products generated in these reactions, their detection in vivo and in vitro, together with the relevance for the biological activity of these compounds, mainly as antineoplastic agents, is discussed.
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Affiliation(s)
- Alondra Jiménez-Pérez
- Departamento de Química, Facultad de Ciencias, Universidad de Burgos, 09001, Burgos, Spain
| | - Sandra Fernández-Fariña
- Departamento de Química Inorgánica, Facultade de Química, Campus Vida, Universidade de Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - Rosa Pedrido
- Departamento de Química Inorgánica, Facultade de Química, Campus Vida, Universidade de Santiago de Compostela, 15782, Santiago de Compostela, Spain.
| | - Javier García-Tojal
- Departamento de Química, Facultad de Ciencias, Universidad de Burgos, 09001, Burgos, Spain.
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3
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Hassanuddin NA, Normaya E, Ismail H, Iqbal A, Piah MBM, Abd Hamid S, Ahmad MN. Methyl 4-pyridyl ketone thiosemicarbazone (4-PT) as an effective and safe inhibitor of mushroom tyrosinase and antibrowning agent. Int J Biol Macromol 2024; 255:128229. [PMID: 37981274 DOI: 10.1016/j.ijbiomac.2023.128229] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 11/12/2023] [Accepted: 11/16/2023] [Indexed: 11/21/2023]
Abstract
Enzymatic browning is of concern as it can affect food safety and quality. In this study, an effective and safe tyrosinase inhibitor and anti-browning agent, methyl 4-pyridyl ketone thiosemicarbazone (4-PT), was synthesised and characterised using Fourier-transform infrared (FTIR) spectroscopy, CHNS elemental analysis, and proton (1H) and carbon-13 (13C) nuclear magnetic resonance (NMR) spectroscopy. The vibrational frequencies of 4-PT were studied theoretically using vibrational energy distribution analysis (VEDA). Density functional theory (DFT) was applied to elucidate its chemical properties, including the Mulliken atomic charges, molecular electrostatic potential (MEP), quantum theory of atoms in molecules (QTAIM) and reduced density gradient non-covalent interactions (RDG-NCIs). Moreover, 4-PT was compared with kojic acid in terms of its effectiveness as a tyrosinase inhibitor and anti-browning agent. The toxicity and physicochemical properties of 4-PT were predicted via ADME evaluation, which proved that 4-PT is safer than kojic acid. Experimentally, 4-PT (IC50 = 5.82 μM, browning index (10 days) = 0.292 ± 0.002) was proven to be an effective tyrosinase inhibitor and anti-browning agent compared to kojic acid (IC50 = 128.17 μM, browning index (10 days) = 0.332 ± 0.002). Furthermore, kinetic analyses indicated that the type of tyrosinase inhibition is a mixed inhibition, with Km and Vmax values of 0.85 mM and 2.78 E-09 μM/s, respectively. Finally, the mechanism of 4-PT for tyrosinase inhibition was proven by 1D, second derivative and 2D IR spectroscopy, molecular docking and molecular dynamic simulation approaches.
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Affiliation(s)
- Nur Amanina Hassanuddin
- Experimental and Theoretical Research Lab (ETRL), Department of Chemistry, Kulliyyah of Science, IIUM, Kuantan, Pahang, Malaysia
| | - Erna Normaya
- Experimental and Theoretical Research Lab (ETRL), Department of Chemistry, Kulliyyah of Science, IIUM, Kuantan, Pahang, Malaysia; Sustainable Nanotechnology and Computational Modelling (SuNCoM) Research Group, Kulliyyah of Science, International Islamic University Malaysia, 25200 Kuantan, Pahang, Malaysia
| | - Hakimah Ismail
- Experimental and Theoretical Research Lab (ETRL), Department of Chemistry, Kulliyyah of Science, IIUM, Kuantan, Pahang, Malaysia
| | - Anwar Iqbal
- School of Chemical Science, Universiti Sains Malaysia, 11800 Penang, Malaysia
| | - Mohd Bijarimi Mat Piah
- Faculty of Chemical & Natural Resources Engineering, Universiti Malaysia Pahang, Kuantan, Malaysia
| | - Shafida Abd Hamid
- Department of Chemistry, Kulliyyah of Science, IIUM, Kuantan, Pahang, Malaysia
| | - Mohammad Norazmi Ahmad
- Experimental and Theoretical Research Lab (ETRL), Department of Chemistry, Kulliyyah of Science, IIUM, Kuantan, Pahang, Malaysia; Sustainable Nanotechnology and Computational Modelling (SuNCoM) Research Group, Kulliyyah of Science, International Islamic University Malaysia, 25200 Kuantan, Pahang, Malaysia.
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4
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Ghasemi N, Moradi S, Iraji A, Mahdavi M. Thiazolopyrimidine derivatives as novel class of small molecule tyrosinase inhibitor. BMC Chem 2023; 17:156. [PMID: 37981674 PMCID: PMC10658973 DOI: 10.1186/s13065-023-01077-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 11/06/2023] [Indexed: 11/21/2023] Open
Abstract
Tyrosinase, the rate-limiting enzyme of melanogenesis, plays a crucial role in hyperpigmentation. As a result, in this study, a novel class of thiazolopyrimidine derivatives was developed and synthesized as tyrosinase inhibitor. The structure of derivatives was characterized using various spectroscopy techniques, including FTIR, Mass, 1H-NMR, and 13C-NMR. Next, the inhibitory activities of all derivatives were examined against tyrosinase, and, 6a as the most potent compound, exhibited an IC50 value of 28.50 µM. Furthermore, the kinetic study of 6a was performed to better understand the inhibitory mechanism and its type of inhibition. The UV/Vis spectra analysis was also executed to provide valuable evidence supporting the inhibitory mechanism of compound 6a in the context of tyrosinase inhibition. Also, molecular docking and dynamic molecular study of 6a were executed to study its interactions within the enzyme's binding site.
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Affiliation(s)
- Nastaran Ghasemi
- Faculty of Chemistry, Tehran North Branch, Islamic Azad University, Tehran, Iran
| | - Shahram Moradi
- Faculty of Chemistry, Tehran North Branch, Islamic Azad University, Tehran, Iran
| | - Aida Iraji
- Stem Cells Technology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
- Research Center for Traditional Medicine and History of Medicine, Department of Persian Medicine, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Mohammad Mahdavi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.
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5
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Mermer A, Demirci S. Recent advances in triazoles as tyrosinase inhibitors. Eur J Med Chem 2023; 259:115655. [PMID: 37482020 DOI: 10.1016/j.ejmech.2023.115655] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/10/2023] [Accepted: 07/13/2023] [Indexed: 07/25/2023]
Abstract
The tyrosinase enzyme, which is widely found in microorganisms, animals and plants, has a significant position in melanogenesis, plays an important role in undesirable browning of fruits and vegetables, antibiotic resistance, skin pigment formation, sclerotization of cuticle, neurodegeneration, etc. Therefore, with the wide potential application fields of tyrosinase in food, agriculture, cosmetics and pharmaceutical industries, which has become the target enzyme for the development of therapeutic agents such as antibrowning, anticancer, antibacterial, skin whitening, insecticides, etc., a large number of synthetic tyrosinase inhibitors have been widely reported in recent years. The triazole ring, which has a broad spectrum of biological action, is of increasing interest in the synthesis of new tyrosinase inhibitors. In this review, tyrosinase inhibition effects, structure-activity relationships, enzyme inhibition kinetics and mechanisms of action of 1,2,3- or 1,2,4-triazole derivatives were investigated. The data gathered is anticipated to supply rational guidance and an influential strategy for the development of novel, potent and safe tyrosinase inhibitors for better practical application in the future.
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Affiliation(s)
- Arif Mermer
- Experimental Medicine Application & Research Center, Validebağ Research Park, University of Health Sciences, İstanbul, Turkiye; Department of Biotechnology, University of Health Sciences, İstanbul, Turkiye.
| | - Serpil Demirci
- Department of Medical Services and Techniques, Vocational High School of Health Services, Giresun University, Giresun, Turkiye
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6
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Hassani B, Zare F, Emami L, Khoshneviszadeh M, Fazel R, Kave N, Sabet R, Sadeghpour H. Synthesis of 3-hydroxypyridin-4-one derivatives bearing benzyl hydrazide substitutions towards anti-tyrosinase and free radical scavenging activities. RSC Adv 2023; 13:32433-32443. [PMID: 37942455 PMCID: PMC10629491 DOI: 10.1039/d3ra06490e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Accepted: 10/10/2023] [Indexed: 11/10/2023] Open
Abstract
Tyrosinase is a vital enzyme in the biosynthesis of melanin, which has a significant role in skin protection. Due to the importance of the tyrosinase enzyme in the cosmetics and health industries, studies to design new tyrosinase inhibitors have been expanded. In this study, the design and synthesis of 3-dihydroxypyridine-4-one derivatives containing benzo hydrazide groups with different substitutions were carried out, and their antioxidant and anti-tyrosinase activities were also evaluated. The proposed compounds showed tyrosinase inhibitory effects (IC50) in the 25.29 to 64.13 μM range. Among all compounds, 6i showed potent anti-tyrosinase activity with an IC50 = 25.29 μM. Also, the antioxidant activity of derivatives by using DPPH radical scavenging indicates an EC50 value between 0.039 and 0.389 mM. Molecular docking studies were performed to reveal the position and interactions of 6i as the most potent inhibitor within the tyrosinase active site. The results showed that 6i binds well to the proposed binding site and forms a stable complex with the target protein. Furthermore, the physicochemical profiles of the tested compounds indicated drug-like and bioavailability properties. The kinetic assay revealed that 6i acts as a competitive inhibitor. Also, for the estimation of the reactivity of the best compound (6i), the density functional theory (DFT) was performed at the B3LYP/6-31+G**.
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Affiliation(s)
- Bahareh Hassani
- Department of Medicinal Chemistry, Faculty of Pharmacy, Shiraz University of Medical Sciences Shiraz Iran +98-7132424126 +98-7132424127-8
| | - Fateme Zare
- Faculty of Pharmacy and Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences Shiraz Iran +98-7132424126 +98-7132424127-8
| | - Leila Emami
- Faculty of Pharmacy and Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences Shiraz Iran +98-7132424126 +98-7132424127-8
| | - Mehdi Khoshneviszadeh
- Department of Medicinal Chemistry, Faculty of Pharmacy, Shiraz University of Medical Sciences Shiraz Iran +98-7132424126 +98-7132424127-8
| | - Razieh Fazel
- Department of Medicinal Chemistry, Faculty of Pharmacy, Shiraz University of Medical Sciences Shiraz Iran +98-7132424126 +98-7132424127-8
| | - Negin Kave
- Department of Medicinal Chemistry, Faculty of Pharmacy, Shiraz University of Medical Sciences Shiraz Iran +98-7132424126 +98-7132424127-8
| | - Razieh Sabet
- Department of Medicinal Chemistry, Faculty of Pharmacy, Shiraz University of Medical Sciences Shiraz Iran +98-7132424126 +98-7132424127-8
| | - Hossein Sadeghpour
- Department of Medicinal Chemistry, Faculty of Pharmacy, Shiraz University of Medical Sciences Shiraz Iran +98-7132424126 +98-7132424127-8
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7
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K S, T N MM, Asiri AM, Alamry KA, Asad M. Green synthesis of heterocyclic alkenes using MCM 41 supported perchloric acid catalytic system: characterization and DFT studies. J Mol Model 2023; 29:244. [PMID: 37439878 DOI: 10.1007/s00894-023-05635-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 06/26/2023] [Indexed: 07/14/2023]
Abstract
CONTEXT In this work, a series of heterocyclic alkenes were prepared by the reaction of 2-hydroxy-1-naphthaldehyde with various heterocyclic active methylene compounds via Knoevenagel condensation reaction using mesoporous silica, MCM 41, supported perchloric acid as an efficient green catalytic system under solvent-free conditions. A comparative study of the conventional method vs the green method was also reported with the same raw materials. 1H NMR, 13C NMR, IR, and mass spectroscopic techniques were used for the characterization of synthesized compounds. METHODS Computational study was performed for these compounds by applying density functional theory (DFT) at M06 functional and 6-311G (d,p) basis set to interpret the electronic structures and counter check the experimental findings. The frequency analysis with aforementioned levels of DFT was performed to confirm the stability associated with optimized geometries. The true minimum for the optimized geometries for 1, 2, and 3 was achieved as indicated by the absence of negative eigenvalues in all the calculated frequencies. Additionally, natural bond orbitals (NBOs) and nonlinear optical (NLO) properties were explored utilizing the aforementioned level and basis set combination via DFT, whereas the frontier molecular orbitals (FMOs) evaluation was done at time-dependent density functional theory TDDFT at M06/6-311G(d,p). The global reactivity parameters were also calculated using the FMO data. These computation-based outcomes were found in good agreement with the experimental findings.
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Affiliation(s)
- Snigdha K
- Research & Postgraduate Department of Chemistry, MES Kalladi College (Affiliated to University of Calicut), Mannarkkad, Kerala, 678583, India
| | - Mohammed Musthafa T N
- Research & Postgraduate Department of Chemistry, MES Kalladi College (Affiliated to University of Calicut), Mannarkkad, Kerala, 678583, India.
| | - Abdullah M Asiri
- Chemistry Department, Faculty of Science, King Abdulaziz University, 80203, Jeddah, 21589, Saudi Arabia
- Center of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University, 80203, Jeddah, 21589, Saudi Arabia
| | - Khalid A Alamry
- Center of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University, 80203, Jeddah, 21589, Saudi Arabia
| | - Mohammad Asad
- Chemistry Department, Faculty of Science, King Abdulaziz University, 80203, Jeddah, 21589, Saudi Arabia.
- Center of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University, 80203, Jeddah, 21589, Saudi Arabia.
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8
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Al-Rooqi M, Sadiq A, Obaid RJ, Ashraf Z, Nazir Y, Jassas RS, Naeem N, Alsharif MA, Shah SWA, Moussa Z, Mughal EU, Farghaly AR, Ahmed SA. Evaluation of 2,3-Dihydro-1,5-benzothiazepine Derivatives as Potential Tyrosinase Inhibitors: In Vitro and In Silico Studies. ACS OMEGA 2023; 8:17195-17208. [PMID: 37214694 PMCID: PMC10193543 DOI: 10.1021/acsomega.3c01566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 04/20/2023] [Indexed: 05/24/2023]
Abstract
Benzothiazepines are pharmacologically active compounds, frequently utilized as a precursor for acquiring versatile molecules with several bioactivities including anti-inflammatory, anti-human immunodeficiency virus (anti-HIV), analgesic, antitumor, antimicrobial, and antitubercular. In this study, the 2,4-diphenyl-2,3-dihydro-1,5-benzothiazepine scaffold was selected for their in vitro, docking, and druglikeness studies to evaluate their inhibitory potential against mushroom tyrosinase. All synthesized analogues, 1-14, exhibited moderate to good IC50 values ranging from 1.21 to 70.65 μM. The synthesized benzothiazepine derivatives were potent tyrosinase inhibitors, which outperformed the reference kojic acid (IC50 = 16.69 μM). The kinetic analysis revealed that compound 2 (2-(3,4-dimethoxyphenyl)-4-(p-tolyl)-2,3-dihydrobenzo[b][1,4]thiazepine) was a mixed-type tyrosinase inhibitor with a Ki value of 1.01 μM. Molecular modeling studies against tyrosinase protein (PDB ID: 2Y9X) were conducted to recognize the binding modes of these analogues. The utilization of molecular dynamic (MD) simulations enabled the assessment of the protein-ligand complex's dynamic behavior, stability, and binding affinity for the compounds. These simulations ultimately led to the identification of compound 2 as a potential inhibitor of tyrosinase. Additionally, a druglikeness study was conducted, which supported the promising potential of the new analogues as novel antityrosinase agents. The in silico studies were consistent with the in vitro results, showing that these ligands had good binding scores against tyrosinase and interacted with the core residues of the target protein. Gaussian 09 was used for the geometry optimization of all complexes.
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Affiliation(s)
- Munirah
M. Al-Rooqi
- Department
of Chemistry, Faculty of Applied Sciences, Umm Al-Qura University, Makkah 21955, Saudi Arabia
| | - Amina Sadiq
- Department
of Chemistry, Govt. College Women University, Sialkot 51300, Pakistan
| | - Rami J. Obaid
- Department
of Chemistry, Faculty of Applied Sciences, Umm Al-Qura University, Makkah 21955, Saudi Arabia
| | - Zaman Ashraf
- Department
of Chemistry, Allama Iqbal Open University, Islamabad 44000, Pakistan
| | - Yasir Nazir
- Department
of Chemistry, Allama Iqbal Open University, Islamabad 44000, Pakistan
- Department
of Chemistry, University of Sialkot, Sialkot 51300, Pakistan
| | - Rabab S. Jassas
- Department
of Chemistry, Jamoum University College, Umm Al-Qura University, Makkah 21955, Saudi Arabia
| | - Nafeesa Naeem
- Department
of Chemistry, University of Gujrat, Gujrat 50700, Pakistan
| | - Meshari A. Alsharif
- Department
of Chemistry, Faculty of Applied Sciences, Umm Al-Qura University, Makkah 21955, Saudi Arabia
| | - Syed Wadud Ali Shah
- Department
of Pharmacy, University of Malakand, Chakdara Dir 18000, Khyber Pakhtunkhwa, Pakistan
| | - Ziad Moussa
- Department
of Chemistry, College of Science, United
Arab Emirates University, P.O. Box 15551, Al Ain, Abu Dhabi, United Arab Emirates
| | | | - Abdel-Rahman Farghaly
- Department
of Chemistry, College of Science, Jazan
University, Jazan 114, Saudi Arabia
| | - Saleh A. Ahmed
- Department
of Chemistry, Faculty of Applied Sciences, Umm Al-Qura University, Makkah 21955, Saudi Arabia
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9
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Nunes JA, de Araújo RSA, da Silva FN, Cytarska J, Łączkowski KZ, Cardoso SH, Mendonça-Júnior FJB, da Silva-Júnior EF. Coumarin-Based Compounds as Inhibitors of Tyrosinase/Tyrosine Hydroxylase: Synthesis, Kinetic Studies, and In Silico Approaches. Int J Mol Sci 2023; 24:5216. [PMID: 36982292 PMCID: PMC10048804 DOI: 10.3390/ijms24065216] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 02/22/2023] [Accepted: 03/01/2023] [Indexed: 03/11/2023] Open
Abstract
Cancer represents the main cause of morbidity and mortality worldwide, constituting a serious health problem. In this context, melanoma represents the most aggressive and fatal type of skin cancer, with death rates increasing every year. Scientific efforts have been addressed to the development of inhibitors targeting the tyrosinase enzyme as potential anti-melanoma agents due to the importance of this enzyme in melanogenesis biosynthesis. Coumarin-based compounds have shown potential activity as anti-melanoma agents and tyrosinase inhibitors. In this study, coumarin-based derivatives were designed, synthesized, and experimentally evaluated upon tyrosinase. Compound FN-19, a coumarin-thiosemicarbazone analog, exhibited potent anti-tyrosinase activity, with an IC50 value of 42.16 ± 5.16 µM, being more active than ascorbic acid and kojic acid, both reference inhibitors. The kinetic study showed that FN-19 acts as a mixed inhibitor. Still, for this compound, molecular dynamics (MD) simulations were performed to determine the stability of the complex with tyrosinase, generating RMSD, RMSF, and interaction plots. Additionally, docking studies were performed to elucidate the binding pose at the tyrosinase, suggesting that the hydroxyl group of coumarin derivative performs coordinate bonds (bidentate) with the copper(II) ions at distances ranging from 2.09 to 2.61 Å. Then, MM/PBSA calculations revealed that van der Waals interactions are the most relevant intermolecular forces for complex stabilization. Furthermore, it was observed that FN-19 has a binding energy (ΔEMM) value similar to tropolone, a tyrosinase inhibitor. Therefore, the data obtained in this study will be useful for designing and developing novel coumarin-based analogs targeting the tyrosinase enzyme.
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Affiliation(s)
- Jéssica Alves Nunes
- Biological and Molecular Chemistry Research Group, Institute of Chemistry and Biotechnology, Federal University of Alagoas, AC Simões Campus, Lourival Melo Mota Avenue, s/n, Maceió 57072-970, Alagoas, Brazil (E.F.d.S.-J.)
| | - Rodrigo Santos Aquino de Araújo
- Laboratory of Synthesis and Drug Delivery, Department of Biological Sciences, State University of Paraíba, João Pessoa 58429-500, Paraíba, Brazil
| | - Fabrícia Nunes da Silva
- Laboratory of Organic and Medicinal Synthesis, Federal University of Alagoas, Campus Arapiraca, Manoel Severino Barbosa Avenue, Arapiraca 57309-005, Alagoas, Brazil
| | - Joanna Cytarska
- Department of Chemical Technology and Pharmaceuticals, Faculty of Pharmacy, Collegium Medicum, Nicolaus Copernicus University, Jurasza 2, 85-089 Bydgoszcz, Poland
| | - Krzysztof Z. Łączkowski
- Department of Chemical Technology and Pharmaceuticals, Faculty of Pharmacy, Collegium Medicum, Nicolaus Copernicus University, Jurasza 2, 85-089 Bydgoszcz, Poland
| | - Sílvia Helena Cardoso
- Laboratory of Organic and Medicinal Synthesis, Federal University of Alagoas, Campus Arapiraca, Manoel Severino Barbosa Avenue, Arapiraca 57309-005, Alagoas, Brazil
| | | | - Edeildo Ferreira da Silva-Júnior
- Biological and Molecular Chemistry Research Group, Institute of Chemistry and Biotechnology, Federal University of Alagoas, AC Simões Campus, Lourival Melo Mota Avenue, s/n, Maceió 57072-970, Alagoas, Brazil (E.F.d.S.-J.)
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10
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Cebotari D, Calancea S, Marrot J, Guillot R, Falaise C, Guérineau V, Touboul D, Haouas M, Gulea A, Floquet S. Tuning the nuclearity of [Mo 2O 2S 2] 2+-based assemblies by playing with the degree of flexibility of bis-thiosemicarbazone ligands. Dalton Trans 2023; 52:3059-3071. [PMID: 36779751 DOI: 10.1039/d2dt03760b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
[MoV2O2S2]2+-based thiosemicarbazone complexes appear as very promising molecules for biological applications due to the intrinsic properties of their components. This paper deals with the synthesis and characterization of six coordination complexes obtained by the reaction of [MoV2O2S2]2+ clusters with bis-thiosemicarbazone ligands that contain flexible or rigid spacers between the two thiosemicarbazone units. Interestingly, structural characterization by single-crystal X-ray diffraction, MALDI-TOF MS technique and NMR spectroscopy revealed that the nuclearity of the complex is controlled by the nature of the spacer between the thiosemicarbazone units. Binuclear complexes, namely [MoV2O2S2(L1-3)], are isolated with flexible spacers while tetranuclear complexes [(MoV2O2S2)2(L4-6)2] are formed when the bis-thiosemicarbazone ligands are built on rigid spacers.
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Affiliation(s)
- Diana Cebotari
- Institut Lavoisier de Versailles, CNRS, UVSQ, Université Paris-Saclay, 45 Av. des Etats-Unis, 78035 Versailles, France. .,State University of Moldova, MD-2009 Chisinau, Republic of Moldova
| | - Sergiu Calancea
- Institut Lavoisier de Versailles, CNRS, UVSQ, Université Paris-Saclay, 45 Av. des Etats-Unis, 78035 Versailles, France.
| | - Jerôme Marrot
- Institut Lavoisier de Versailles, CNRS, UVSQ, Université Paris-Saclay, 45 Av. des Etats-Unis, 78035 Versailles, France.
| | - Régis Guillot
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, ICMMO, CNRS UMR 8182, Université Paris Saclay, 91405 Orsay Cedex, France
| | - Clément Falaise
- Institut Lavoisier de Versailles, CNRS, UVSQ, Université Paris-Saclay, 45 Av. des Etats-Unis, 78035 Versailles, France.
| | - Vincent Guérineau
- Institut de Chimie des Substances Naturelles, CNRS UPR2301, Université Paris-Sud, Université Paris-Saclay, 91198 Gif-sur-Yvette Cedex, France
| | - David Touboul
- Institut de Chimie des Substances Naturelles, CNRS UPR2301, Université Paris-Sud, Université Paris-Saclay, 91198 Gif-sur-Yvette Cedex, France
| | - Mohamed Haouas
- Institut Lavoisier de Versailles, CNRS, UVSQ, Université Paris-Saclay, 45 Av. des Etats-Unis, 78035 Versailles, France.
| | - Aurelian Gulea
- State University of Moldova, MD-2009 Chisinau, Republic of Moldova
| | - Sébastien Floquet
- Institut Lavoisier de Versailles, CNRS, UVSQ, Université Paris-Saclay, 45 Av. des Etats-Unis, 78035 Versailles, France.
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11
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Divar M, Tadayyon S, Khoshneviszadeh M, Pirhadi S, Attarroshan M, Mobaraki K, Damghani T, Mirfazli S, Edraki N. Benzyl‐Triazole Derivatives of Hydrazinecarbothiamide Derivatives as Potent Tyrosinase Inhibitors: Synthesis, Biological Evaluation, Structure‐Activity Relationship and Docking Study. ChemistrySelect 2023. [DOI: 10.1002/slct.202203382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Affiliation(s)
- Masoumeh Divar
- Medicinal and Natural Products Chemistry Research Center Shiraz University of Medical Sciences 7134853734 Shiraz Iran
| | - Somayeh Tadayyon
- Medicinal and Natural Products Chemistry Research Center Shiraz University of Medical Sciences 7134853734 Shiraz Iran
- Department of Medicinal Chemistry School of Pharmacy Shiraz University of Medical Sciences 7146864685 Shiraz Iran
| | - Mehdi Khoshneviszadeh
- Medicinal and Natural Products Chemistry Research Center Shiraz University of Medical Sciences 7134853734 Shiraz Iran
- Department of Medicinal Chemistry School of Pharmacy Shiraz University of Medical Sciences 7146864685 Shiraz Iran
| | - Somayeh Pirhadi
- Medicinal and Natural Products Chemistry Research Center Shiraz University of Medical Sciences 7134853734 Shiraz Iran
| | - Mahshid Attarroshan
- Medicinal and Natural Products Chemistry Research Center Shiraz University of Medical Sciences 7134853734 Shiraz Iran
| | - Kourosh Mobaraki
- Medicinal and Natural Products Chemistry Research Center Shiraz University of Medical Sciences 7134853734 Shiraz Iran
- Department of Medicinal Chemistry School of Pharmacy Shiraz University of Medical Sciences 7146864685 Shiraz Iran
| | - Tahereh Damghani
- Medicinal and Natural Products Chemistry Research Center Shiraz University of Medical Sciences 7134853734 Shiraz Iran
| | - Sara Mirfazli
- Department of Medicinal Chemistry School of Pharmacy Iran University of Medical Sciences 1475886671 Tehran Iran
| | - Najmeh Edraki
- Medicinal and Natural Products Chemistry Research Center Shiraz University of Medical Sciences 7134853734 Shiraz Iran
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12
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Masuri S, Era B, Pintus F, Cadoni E, Cabiddu MG, Fais A, Pivetta T. Hydroxylated Coumarin-Based Thiosemicarbazones as Dual Antityrosinase and Antioxidant Agents. Int J Mol Sci 2023; 24:ijms24021678. [PMID: 36675192 PMCID: PMC9861830 DOI: 10.3390/ijms24021678] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/10/2023] [Accepted: 01/12/2023] [Indexed: 01/18/2023] Open
Abstract
The design of novel antityrosinase agents appears extremely important in medical and industrial sectors because an irregular production of melanin is related to the insurgence of several skin-related disorders (e.g., melanoma) and the browning process of fruits and vegetables. Because melanogenesis also involves a nonenzymatic oxidative process, developing dual antioxidant and antityrosinase agents is advantageous. In this work, we evaluated the antioxidant and tyrosinase inhibition ability of two new bishydroxylated and two new monohydroxylated derivatives of (1E)-2-(1-(2-oxo-2H-chromen-3-yl)ethylidene)hydrazine-1-carbothioamide (T1) using different experimental and computational approaches. The study was also carried out on another monohydroxylated derivative of T1 for comparison. Interestingly, these molecules have more potent tyrosinase-inhibitory properties than the reference compound, kojic acid. Moreover, the antioxidant activity appears to be influenced according to the number and substitution pattern of the hydroxyl groups. The safety of the compounds without (T1), with one (T3), and with two (T6) hydroxyl groups, has also been assessed by studying their cytotoxicity on melanocytes. These results indicate that (1E)-2-(1-(2-oxo-2H-chromen-3-yl)ethylidene)hydrazine-1-carbothioamide and its hydroxylated derivatives are promising molecules for further drug development studies.
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Affiliation(s)
- Sebastiano Masuri
- Department of Chemical and Geological Sciences, University of Cagliari, S.P. 8 km 0.700, 09042 Cagliari, Italy
| | - Benedetta Era
- Department of Life and Environmental Sciences, University of Cagliari, S.P. 8 km 0.700, 09042 Cagliari, Italy
| | - Francesca Pintus
- Department of Life and Environmental Sciences, University of Cagliari, S.P. 8 km 0.700, 09042 Cagliari, Italy
| | - Enzo Cadoni
- Department of Chemical and Geological Sciences, University of Cagliari, S.P. 8 km 0.700, 09042 Cagliari, Italy
| | - Maria Grazia Cabiddu
- Department of Chemical and Geological Sciences, University of Cagliari, S.P. 8 km 0.700, 09042 Cagliari, Italy
| | - Antonella Fais
- Department of Life and Environmental Sciences, University of Cagliari, S.P. 8 km 0.700, 09042 Cagliari, Italy
- Correspondence: (A.F.); (T.P.)
| | - Tiziana Pivetta
- Department of Chemical and Geological Sciences, University of Cagliari, S.P. 8 km 0.700, 09042 Cagliari, Italy
- Correspondence: (A.F.); (T.P.)
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13
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You Z, Li Y, Chen M, Wong VKW, Zhang K, Zheng X, Liu W. Inhibition of plant essential oils and their interaction in binary combinations against tyrosinase. Food Nutr Res 2022; 66:8466. [PMID: 36590855 PMCID: PMC9793764 DOI: 10.29219/fnr.v66.8466] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 07/26/2022] [Accepted: 10/30/2022] [Indexed: 12/27/2022] Open
Abstract
Background Essential oils (EOs), derived from aromatic plants, exhibit properties beneficial to health, such as anti-inflammatory, anti-oxidative, antidiabetic, and antiaging effects. However, the effect of EOs and their interaction in binary combinations against tyrosinase is not yet known. Objective To evaluate the underlying mechanisms of EOs and their interaction in binary combinations against tyrosinas. Design We explored to investigate the inhibitory effect of 65 EOs and the interaction among cinnamon, bay, and magnolia officinalis in their binary combinations against tyrosinase. In addition, the main constituents of cinnamon, bay, and magnolia officinalis were analyzed by gas chromatography-mass spectrometry (GC-MS). Results The results showed that the most potent EOs against tyrosinase were cinnamon, bay, and magnolia officinalis with IC50 values of 25.7, 30.8, and 61.9 μg/mL, respectively. Moreover, the inhibitory mechanism and kinetics studies revealed that cinnamon and bay were reversible and competitive-type inhibitors, and magnolia officinalis was a reversible and mixed-type inhibitor. In addition, these results, assessed in mixtures of three binary combinations, indicated that the combination of cinnamon with bay at different dose and at dose ratio had a strong antagonistic effect against tyrosinase. Magnolia officinalis combined with cinnamon or bay experienced both antagonistic and synergistic effect in anti-tyrosinase activity. Conclusion It is revealed that natural EOs would be promising to be effective anti-tyrosinase agents, and binary combinations of cinnamon, bay, and magnolia officinalis might not have synergistic effects on tyrosinase under certain condition.
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Affiliation(s)
- Zonglin You
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, China
| | - Yonglian Li
- School of Eco-environment Technology, Guangdong Industry Polytechnic, Guangzhou, China
| | - Min Chen
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, China
| | - Vincent Kam Wai Wong
- Dr. Neher’s Biophysics Laboratory for Innovative Drug Discovery, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Kun Zhang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, China
| | - Xi Zheng
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, China
| | - Wenfeng Liu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, China,Wenfeng Liu School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China. Tel/Fax: +86 75 0329 9071.
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14
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Gryn-Rynko A, Sperkowska B, Majewski MS. Screening and Structure-Activity Relationship for Selective and Potent Anti-Melanogenesis Agents Derived from Species of Mulberry (Genus Morus). Molecules 2022; 27:molecules27249011. [PMID: 36558142 PMCID: PMC9783946 DOI: 10.3390/molecules27249011] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/11/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022] Open
Abstract
Tyrosinase is a multifunctional, copper-containing and rate-limiting oxidase that catalyses crucial steps in the melanogenesis pathway and is responsible for skin-pigmentation abnormalities in mammals. Numerous tyrosinase inhibitors derived from natural and synthetic sources have been identified as an objective for the development of anti-melanogenesis agents. However, due to side effects and lack of expected efficiency, only a small percentage of them are used for medical and cosmetic purposes. This critical review focuses on searching for novel active substances and recently discovered plant-derived anti-tyrosinase inhibitors from the Morus genus (Moraceae family). A detailed analysis of their structure-activity relationships is discussed. The information contained in this article is crucial for the cosmetics and medical industries, in order to show new directions for the effective search for natural anti-melanogenesis products (with satisfactory efficiency and safety) to treat and cure hyperpigmentation.
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Affiliation(s)
- Anna Gryn-Rynko
- Department of Pharmacology and Toxicology, Faculty of Medicine, University of Warmia and Mazury, Warszawska 30 Street, 10-082 Olsztyn, Poland
- Correspondence: ; Tel.: +48-508-150-669
| | - Beata Sperkowska
- Department of Toxicology and Bromatology, Faculty of Pharmacy, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, A. Jurasza 2 Street, 85-089 Bydgoszcz, Poland
| | - Michał S. Majewski
- Department of Pharmacology and Toxicology, Faculty of Medicine, University of Warmia and Mazury, Warszawska 30 Street, 10-082 Olsztyn, Poland
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15
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Khan T, Raza S, Lawrence AJ. Medicinal Utility of Thiosemicarbazones with Special Reference to Mixed Ligand and Mixed Metal Complexes: A Review. RUSS J COORD CHEM+ 2022. [DOI: 10.1134/s1070328422600280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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16
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Fuior A, Cebotari D, Garbuz O, Calancea S, Gulea A, Floquet S. Biological properties of a new class of [Mo2O2S2]-based thiosemicarbazone coordination complexes. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2022.121372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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17
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Cao S, Wang D, Cheng R, Shi W, Zhang Q, Zeng H, Chen J. Modulation of the lipophilicity and molecular size of thiosemicarbazone inhibitors to regulate tyrosinase activity. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 281:121590. [PMID: 35850043 DOI: 10.1016/j.saa.2022.121590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 06/26/2022] [Accepted: 07/01/2022] [Indexed: 06/15/2023]
Abstract
A group of 5-methylsalicylaldehyde thiosemicarbazone derivatives (HMTs) bearing different lipophilic and steric substituents attached at the 3-position of cresol ring were synthesized and investigated as mushroom tyrosinase (TYR) inhibitors. The ability of HMTs to inhibit the diphenolase activity of TYR was evaluated with L-DOPA as substrate by determining IC50 values in relation to their structure modifications. HMTs displayed distinct inhibitory competencies towards TYR activity with IC50 values in the range of 1.02-143.56 μM. A close correlation between their inhibition potency and both lipophilicity and molecular size was observed. The inhibitory effect of the hydroxyethyl-containing derivatives was much higher than the hydroxyethyl-free ones overall. Among them, HMT-NBO exhibited the most potent effect with IC50 of 5.85 μM, which was nearly 25-fold and 3.8-fold lower than its parent HMT-NBE and the control kojic acid, respectively. The hydroxyethyl clearly benefited the improvement of the inhibitory competences and acted as a regulating group of lipophilicity of the inhibitors. The kinetic analyses showed that HMTs were reversible and mixed type inhibitors against mushroom TYR. The inhibition mechanism was studied by means of fluorescence spectroscopy, FT-IR, ESI-MS and molecular docking analysis. The results indicated that the observed inhibitory effect of HMTs was accomplished by acting on the amino acid residues rather than by chelating the centre copper ions of TYR. Each of HMTs can insert the hydrophobic pocket and interact with the residues of TYR through Van der Waals forces and hydrogen bonds, with additional electrostatic interactions for HMT-NEE and HMT-NEO further strengthening the affinity. Meanwhile, the inhibitors were observed to bind with L-DOPA or/and L-DOPAquinone forming 1:1 stoichiometric complexes, probably exerting indirect inhibition against TYR activity.
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Affiliation(s)
- Shuhong Cao
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Jianjun East Rd. 211, Yancheng 224051, PR China
| | - Dandan Wang
- Industrial Technology Research Academy, Yancheng Institute of Technology, Jianjun East Rd. 211, Yancheng 224051, PR China
| | - Run Cheng
- Industrial Technology Research Academy, Yancheng Institute of Technology, Jianjun East Rd. 211, Yancheng 224051, PR China
| | - Wenyan Shi
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Jianjun East Rd. 211, Yancheng 224051, PR China
| | - Qinfang Zhang
- Industrial Technology Research Academy, Yancheng Institute of Technology, Jianjun East Rd. 211, Yancheng 224051, PR China.
| | - Huajin Zeng
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China.
| | - Jingwen Chen
- Industrial Technology Research Academy, Yancheng Institute of Technology, Jianjun East Rd. 211, Yancheng 224051, PR China; School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Jianjun East Rd. 211, Yancheng 224051, PR China.
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18
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Hu YG, Gao ZP, Zheng YY, Hu CM, Lin J, Wu XZ, Zhang X, Zhou YS, Xiong Z, Zhu DY. Synthesis and Biological Activity Evaluation of 2-Cyanopyrrole Derivatives as Potential Tyrosinase Inhibitors. Front Chem 2022; 10:914944. [PMID: 35783205 PMCID: PMC9247258 DOI: 10.3389/fchem.2022.914944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 04/25/2022] [Indexed: 11/15/2022] Open
Abstract
In order to find potential inhibitors of tyrosinase, two series of pyrrole derivatives A (1–17) and B (1–8) were synthesized and screened for their inhibitory activities on tyrosinase. Most of the 2-cyanopyrrole derivatives exhibited effective inhibitory activities. In particular, A12 exhibited the strongest inhibitory activities, with the IC50 values of 0.97 μM, which is ∼30 times stronger than the reference inhibitor kojic acid (IC50: 28.72 μM). The inhibitory mechanism analysis results revealed that A12 was a reversible and mixed-type inhibitor. Molecular docking experiments clarified the interaction between A12 with tyrosinase. Furthermore, A12 (100 μM) presented effective inhibitory effect on tyrosinase in B16 melanoma cells with inhibition of 33.48%, which was equivalent to that of Kojic acid (39.81%). Accordingly, compound A12 may serve as the lead structure for the further design of potent tyrosinase inhibitors. Molecular docking studies confirmed the interaction between the compound and tyrosinase.
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Affiliation(s)
- Ya-Guang Hu
- School of Pharmacy and State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, China
| | - Zhu-Peng Gao
- School of Pharmacy and State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, China
| | - Ying-Ying Zheng
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, China
| | - Chun-Mei Hu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, China
| | - Jing Lin
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, China
| | - Xiao-Zheng Wu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, China
| | - Xin Zhang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, China
| | - Yong-Sheng Zhou
- Guangzhou Yuming Biologival Technology Co, LTD, Guangzhou, China
| | - Zhuang Xiong
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, China
- *Correspondence: Zhuang Xiong, ; Dao-Yong Zhu,
| | - Dao-Yong Zhu
- School of Pharmacy and State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, China
- *Correspondence: Zhuang Xiong, ; Dao-Yong Zhu,
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19
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Fuior A, Cebotari D, Haouas M, Marrot J, Espallargas GM, Guérineau V, Touboul D, Rusnac RV, Gulea A, Floquet S. Synthesis, Structures, and Solution Studies of a New Class of [Mo 2O 2S 2]-Based Thiosemicarbazone Coordination Complexes. ACS OMEGA 2022; 7:16547-16560. [PMID: 35601294 PMCID: PMC9118386 DOI: 10.1021/acsomega.2c00705] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 04/01/2022] [Indexed: 06/01/2023]
Abstract
This paper deals with the synthesis, structural studies, and behavior in solution of unprecedented coordination complexes built by the association of a panel of 14 representative thiosemicarbazone ligands with the cluster [Mo2O2S2]2+. These complexes have been thoroughly characterized both in the solid state and in solution by XRD and by NMR, respectively. In particular, HMBC 1H{15N} and 1H DOSY NMR experiments bring important elements for understanding the complexes' behavior in solution. These studies demonstrate that playing on the nature and the position of various substituents on the ligands strongly influences the coordination modes of the ligands as well as the numbers of isomers in solution, mainly 2 products for the majority of complexes and up to 5 for some of them.
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Affiliation(s)
- Arcadie Fuior
- Institut
Lavoisier de Versailles, CNRS UMR 8180, Univ. Versailles Saint Quentin en Yvelines, Université Paris-Saclay, 45 av. des Etats-Unis, 78035 Cedex Versailles, France
- State
University of Moldova, Chişinău 2009, Republic of Moldova
| | - Diana Cebotari
- Institut
Lavoisier de Versailles, CNRS UMR 8180, Univ. Versailles Saint Quentin en Yvelines, Université Paris-Saclay, 45 av. des Etats-Unis, 78035 Cedex Versailles, France
- State
University of Moldova, Chişinău 2009, Republic of Moldova
| | - Mohamed Haouas
- Institut
Lavoisier de Versailles, CNRS UMR 8180, Univ. Versailles Saint Quentin en Yvelines, Université Paris-Saclay, 45 av. des Etats-Unis, 78035 Cedex Versailles, France
| | - Jérôme Marrot
- Institut
Lavoisier de Versailles, CNRS UMR 8180, Univ. Versailles Saint Quentin en Yvelines, Université Paris-Saclay, 45 av. des Etats-Unis, 78035 Cedex Versailles, France
| | | | - Vincent Guérineau
- Institut
de Chimie des Substances Naturelles, CNRS UPR2301, Université Paris-Saclay, Avenue de la Terrasse, 91198 Cedex Gif-sur-Yvette, France
| | - David Touboul
- Institut
de Chimie des Substances Naturelles, CNRS UPR2301, Université Paris-Saclay, Avenue de la Terrasse, 91198 Cedex Gif-sur-Yvette, France
| | - Roman V. Rusnac
- State
University of Moldova, Chişinău 2009, Republic of Moldova
| | - Aurelian Gulea
- State
University of Moldova, Chişinău 2009, Republic of Moldova
| | - Sébastien Floquet
- Institut
Lavoisier de Versailles, CNRS UMR 8180, Univ. Versailles Saint Quentin en Yvelines, Université Paris-Saclay, 45 av. des Etats-Unis, 78035 Cedex Versailles, France
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20
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Sim J, Lanka S, Jo JW, Chaudhary CL, Vishwanath M, Jung CH, Lee YH, Kim EY, Kim YS, Hyun SS, Lee HS, Lee K, Seo SY, Viji M, Jung JK. Inhibitory Effect of Chlorogenic Acid Analogues Comprising Pyridine and Pyrimidine on α-MSH-Stimulated Melanogenesis and Stability of Acyl Analogues in Methanol. Pharmaceuticals (Basel) 2021; 14:1176. [PMID: 34832958 PMCID: PMC8622415 DOI: 10.3390/ph14111176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/11/2021] [Accepted: 11/14/2021] [Indexed: 11/30/2022] Open
Abstract
In continuation of studies for α-MSH stimulated melanogenesis inhibitors, we have evaluated the design, synthesis, and activity of a new series of chlorogenic acid (CGA) analogues comprising pyridine, pyrimidine, and diacyl derivatives. Among nineteen synthesized compounds, most of them (fifteen) exhibited better inhibitions of melanin formation in B16 melanoma cells. The results illustrated that a pyridine analogue 6f and a diacyl derivative 13a of CGA showed superior inhibition profiles (IC50: 2.5 ± 0.7 μM and 1.1 ± 0.1 μM, respectively) of α-MSH activities than positive controls, kojic acid and arbutin (IC50: 54 ± 1.5 μM and 380 ± 9.5 μM, respectively). The SAR studies showed that both -CF3 and -Cl groups exhibited better inhibition at the meta position on benzylamine than their ortho and para positions. In addition, the stability of diacyl analogues of CGA in methanol monitored by HPLC for 28 days indicated the steric bulkiness of acyl substituents as a key factor in their stability.
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Affiliation(s)
- Jaeuk Sim
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Korea; (J.S.); (S.L.); (J.-W.J.); (C.L.C.); (M.V.); (C.-H.J.); (Y.-H.L.); (Y.-S.K.); (S.-S.H.); (H.-S.L.)
| | - Srinu Lanka
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Korea; (J.S.); (S.L.); (J.-W.J.); (C.L.C.); (M.V.); (C.-H.J.); (Y.-H.L.); (Y.-S.K.); (S.-S.H.); (H.-S.L.)
| | - Jeong-Woong Jo
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Korea; (J.S.); (S.L.); (J.-W.J.); (C.L.C.); (M.V.); (C.-H.J.); (Y.-H.L.); (Y.-S.K.); (S.-S.H.); (H.-S.L.)
| | - Chhabi Lal Chaudhary
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Korea; (J.S.); (S.L.); (J.-W.J.); (C.L.C.); (M.V.); (C.-H.J.); (Y.-H.L.); (Y.-S.K.); (S.-S.H.); (H.-S.L.)
| | - Manjunatha Vishwanath
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Korea; (J.S.); (S.L.); (J.-W.J.); (C.L.C.); (M.V.); (C.-H.J.); (Y.-H.L.); (Y.-S.K.); (S.-S.H.); (H.-S.L.)
| | - Chan-Hyun Jung
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Korea; (J.S.); (S.L.); (J.-W.J.); (C.L.C.); (M.V.); (C.-H.J.); (Y.-H.L.); (Y.-S.K.); (S.-S.H.); (H.-S.L.)
| | - Young-Hee Lee
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Korea; (J.S.); (S.L.); (J.-W.J.); (C.L.C.); (M.V.); (C.-H.J.); (Y.-H.L.); (Y.-S.K.); (S.-S.H.); (H.-S.L.)
- Samjin Central Research Institute, Samjin Pharma Co., Ltd., Cheongju 28158, Korea
| | - Eun-Yeong Kim
- College of Pharmacy, Korea University, Sejong 30019, Korea; (E.-Y.K.); (K.L.)
| | - Young-Soo Kim
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Korea; (J.S.); (S.L.); (J.-W.J.); (C.L.C.); (M.V.); (C.-H.J.); (Y.-H.L.); (Y.-S.K.); (S.-S.H.); (H.-S.L.)
| | - Soon-Sil Hyun
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Korea; (J.S.); (S.L.); (J.-W.J.); (C.L.C.); (M.V.); (C.-H.J.); (Y.-H.L.); (Y.-S.K.); (S.-S.H.); (H.-S.L.)
| | - Hee-Soon Lee
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Korea; (J.S.); (S.L.); (J.-W.J.); (C.L.C.); (M.V.); (C.-H.J.); (Y.-H.L.); (Y.-S.K.); (S.-S.H.); (H.-S.L.)
| | - Kiho Lee
- College of Pharmacy, Korea University, Sejong 30019, Korea; (E.-Y.K.); (K.L.)
| | - Seung-Yong Seo
- Gachon Institute of Pharmaceutical Sciences, College of Pharmacy, Gachon University, Incheon 21936, Korea;
| | - Mayavan Viji
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Korea; (J.S.); (S.L.); (J.-W.J.); (C.L.C.); (M.V.); (C.-H.J.); (Y.-H.L.); (Y.-S.K.); (S.-S.H.); (H.-S.L.)
| | - Jae-Kyung Jung
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Korea; (J.S.); (S.L.); (J.-W.J.); (C.L.C.); (M.V.); (C.-H.J.); (Y.-H.L.); (Y.-S.K.); (S.-S.H.); (H.-S.L.)
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21
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Synthesis of 4-[(1H-Benzimidazol-2-yl)sulfanyl]benzaldehyde and 2-({4-[(1H-Benzimidazol-2-yl)sulfanyl]phenyl}methylidene)hydrazine-1-carbothioamide. MOLBANK 2021. [DOI: 10.3390/m1273] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Here we describe the preparation of 2-(4-((1H-benzo[d]imidazol-2-yl)thio)-benzylidene)-hydrazine-1-carbothioamide in two steps. In the first step, 1,3-dihydro-2H-1,3-benzimidazole-2-thione was reacted with 4-fluorobenzaldehyde in DMSO to get 4-[(1H-benzimidazol-2-yl)sulfanyl]benzaldehyde in high yield. The reaction of the obtained aldehyde with thiosemicarbazide in ethanol at reflux temperature yielded 2-({4-[(1H-benzimidazol-2-yl)sulfanyl]phenyl}methylidene)hydrazine-1-carbothioamide. The structure of the synthesized compounds was established by NMR spectroscopy (1H, 13C), mass spectrometry, and infrared spectroscopy.
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22
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Barros MR, da Silva LP, Menezes TM, Garcia YS, Neves JL. Efficient tyrosinase nano-inhibitor based on carbon dots behaving as a gathering of hydrophobic cores and key chemical group. Colloids Surf B Biointerfaces 2021; 207:112006. [PMID: 34343910 DOI: 10.1016/j.colsurfb.2021.112006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 07/19/2021] [Accepted: 07/22/2021] [Indexed: 10/20/2022]
Abstract
Small organic molecules have been extensively applied to achieve enzymatic inhibition. Although numerous efforts have been made to deliver efficient inhibitors, small inhibitors applications are hindered by many drawbacks. Moreover, reporters comprising nanoparticle inhibitory activity against enzymes are very scarce in the literature. In this scenario, carbon nanodots (CDs) emerge as promising candidates for efficient enzyme inhibition due to their unique properties. Here, CDs specific molecular characteristics (core composition and chemical surface groups) have been investigated to produce a more potent enzyme inhibition. Mushroom tyrosinase (mTyr) has been adopted as an enzymatic prototype. The CDs revealed a high affinity to mTyr (Ka ≈ 106 M-1), mainly through hydrophobic forces and followed by slight mTyr structural alteration. CDs competitively inhibit mTyr, with low inhibition constant (KI = 517.7 ± 17.0 nM), which is up 70 fold smaller then the commercial inhibitor (kojic acid) and the starch nanoparticles previously reported. The results expose that the CDs act as a hydrophobic agglomerate with carboxyl groups on its surface, mimicking characteristics found on small molecule inhibitors (but with superior performance). All these results highlight the CD excellent potential as an efficient low toxic Tyr inhibitor, opening the prospect of using these nanoparticles in the cosmetic and food industries.
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Affiliation(s)
- Marcela Rodrigues Barros
- Departamento de Química Fundamental, CCEN, Universidade Federal de Pernambuco, Recife 50670-901, PE, Brazil.
| | - Lucas Pereira da Silva
- Departamento de Química Fundamental, CCEN, Universidade Federal de Pernambuco, Recife 50670-901, PE, Brazil.
| | - Thais Meira Menezes
- Departamento de Química Fundamental, CCEN, Universidade Federal de Pernambuco, Recife 50670-901, PE, Brazil.
| | - Yarima Sanchez Garcia
- Departamento de Química Fundamental, CCEN, Universidade Federal de Pernambuco, Recife 50670-901, PE, Brazil; Centro de estudos avanzados de Cuba, CEA, Valle Grande, La Lisa 17100, La Habana, Cuba.
| | - Jorge Luiz Neves
- Departamento de Química Fundamental, CCEN, Universidade Federal de Pernambuco, Recife 50670-901, PE, Brazil.
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23
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Cheng R, Shi W, Yuan Q, Tang R, Wang Y, Yang D, Xiao X, Zeng J, Chen J, Wang Y. 5-Substituted isatin thiosemicarbazones as inhibitors of tyrosinase: Insights of substituent effects. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 255:119669. [PMID: 33812239 DOI: 10.1016/j.saa.2021.119669] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 02/22/2021] [Accepted: 02/28/2021] [Indexed: 06/12/2023]
Abstract
Seven isatin-thiosemicarbazone analogues bearing different substituents (R) attached at C-5 of the indoline ring, TSC-ISA-R (R = -H, -CH3, -OCH3, -OCF3, -F, -Cl and -NO2), were synthesized and evaluated as inhibitors of mushroom tyrosinase (TYR). The inhibitory behaviour and performance of TSC-ISA-R were investigated spectroscopically in relation to the substituent modifications through examining their inhibition against the diphenolase activity of TYR using L-DOPA as a substrate. The IC50 values of TSC-ISA-R were determined to be in the range of 81-209 μM. The kinetic analysis showed that TSC-ISA-R were reversible and mixed type inhibitors. Three potential non-covalent interactions rather than complexation including the binding of TSC-ISA-R with free TYR, TYR-L-DOPA complex, and with substrate L-DOPA were found to be involved in the inhibition. The substituent modifications affected these interactions by varying the characters of the resulting TSC-ISA-R in different degrees. The thiosemicarbazido moiety of each TSC-ISA-R contributed predominantly to the inhibition, and the isatin moiety seemed to play a regulatory role in the binding of TSC-ISA-R to the target molecules. The results of theoretical calculations using density functional theory method indicated a different effect of -R on the electron distribution in HOMO of TSC-ISA-R. The LUMO-HOMO energy gap of TSC-ISA-R almost accords with the trend of their experimental inhibition potency.
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Affiliation(s)
- Run Cheng
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410000, PR China; School of Chemistry and Chemical Engineering, Building Materials Research Academy, Yancheng Institute of Technology, Jianjun East Rd. 211, Yancheng 224051, PR China
| | - Wenyan Shi
- School of Chemistry and Chemical Engineering, Building Materials Research Academy, Yancheng Institute of Technology, Jianjun East Rd. 211, Yancheng 224051, PR China
| | - Qingyun Yuan
- School of Chemistry and Chemical Engineering, Building Materials Research Academy, Yancheng Institute of Technology, Jianjun East Rd. 211, Yancheng 224051, PR China; School of Chemistry and Chemical Engineering, Jiangsu University, Xuefu Rd. 301, Zhenjiang 212013, PR China
| | - Ruiren Tang
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410000, PR China
| | - Yujie Wang
- School of Chemistry and Chemical Engineering, Building Materials Research Academy, Yancheng Institute of Technology, Jianjun East Rd. 211, Yancheng 224051, PR China
| | - Di Yang
- School of Chemistry and Chemical Engineering, Building Materials Research Academy, Yancheng Institute of Technology, Jianjun East Rd. 211, Yancheng 224051, PR China
| | - Xin Xiao
- School of Chemistry and Chemical Engineering, Building Materials Research Academy, Yancheng Institute of Technology, Jianjun East Rd. 211, Yancheng 224051, PR China
| | - Jianping Zeng
- School of Chemistry and Chemical Engineering, Building Materials Research Academy, Yancheng Institute of Technology, Jianjun East Rd. 211, Yancheng 224051, PR China
| | - Jingwen Chen
- School of Chemistry and Chemical Engineering, Building Materials Research Academy, Yancheng Institute of Technology, Jianjun East Rd. 211, Yancheng 224051, PR China.
| | - Yanqing Wang
- College of Chemistry and Environmental Engineering, Institute of Environmental Toxicology and Environmental Ecology, Yancheng Teachers University, Xiwang Avenue South Rd. 2, Yancheng 224007, PR China.
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24
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Stepanenko I, Babak MV, Spengler G, Hammerstad M, Popovic-Bijelic A, Shova S, Büchel GE, Darvasiova D, Rapta P, Arion VB. Coumarin-Based Triapine Derivatives and Their Copper(II) Complexes: Synthesis, Cytotoxicity and mR2 RNR Inhibition Activity. Biomolecules 2021; 11:biom11060862. [PMID: 34207929 PMCID: PMC8230303 DOI: 10.3390/biom11060862] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 05/21/2021] [Accepted: 05/27/2021] [Indexed: 02/03/2023] Open
Abstract
A series of thiosemicarbazone-coumarin hybrids (HL1-HL3 and H2L4) has been synthesised in 12 steps and used for the preparation of mono- and dinuclear copper(II) complexes, namely Cu(HL1)Cl2 (1), Cu(HL2)Cl2 (2), Cu(HL3)Cl2 (3) and Cu2(H2L4)Cl4 (4), isolated in hydrated or solvated forms. Both the organic hybrids and their copper(II) and dicopper(II) complexes were comprehensively characterised by analytical and spectroscopic techniques, i.e., elemental analysis, ESI mass spectrometry, 1D and 2D NMR, IR and UV–vis spectroscopies, cyclic voltammetry (CV) and spectroelectrochemistry (SEC). Re-crystallisation of 1 from methanol afforded single crystals of copper(II) complex with monoanionic ligand Cu(L1)Cl, which could be studied by single crystal X-ray diffraction (SC-XRD). The prepared copper(II) complexes and their metal-free ligands revealed antiproliferative activity against highly resistant cancer cell lines, including triple negative breast cancer cells MDA-MB-231, sensitive COLO-205 and multidrug resistant COLO-320 colorectal adenocarcinoma cell lines, as well as in healthy human lung fibroblasts MRC-5 and compared to those for triapine and doxorubicin. In addition, their ability to reduce the tyrosyl radical in mouse R2 protein of ribonucleotide reductase has been ascertained by EPR spectroscopy and the results were compared with those for triapine.
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Affiliation(s)
- Iryna Stepanenko
- Institute of Inorganic Chemistry, University of Vienna, Währinger Strasse 42, A-1090 Vienna, Austria
- Correspondence: (I.S.); (V.B.A.)
| | - Maria V. Babak
- Drug Discovery Lab, Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR 518057, China;
| | - Gabriella Spengler
- Department of Medical Microbiology, Albert Szent-Györgyi Health Center and Faculty of Medicine, University of Szeged, Semmelweis utca 6, H-6725 Szeged, Hungary;
| | - Marta Hammerstad
- Section for Biochemistry and Molecular Biology, Department of Biosciences, University of Oslo, P.O. Box 1066, Blindern, NO-0316 Oslo, Norway;
| | - Ana Popovic-Bijelic
- Faculty of Physical Chemistry, University of Belgrade, Studentski trg 12–16, 11158 Belgrade, Serbia;
| | - Sergiu Shova
- “Petru Poni” Institute of Macromolecular Chemistry, Aleea Gr. Ghica Voda 41A, 700487 Iasi, Romania;
| | | | - Denisa Darvasiova
- Faculty of Chemical and Food Technology, Institute of Physical Chemistry and Chemical Physics, Slovak University of Technology in Bratislava, Radlinského 9, SK-812 37 Bratislava, Slovakia; (D.D.); (P.R.)
| | - Peter Rapta
- Faculty of Chemical and Food Technology, Institute of Physical Chemistry and Chemical Physics, Slovak University of Technology in Bratislava, Radlinského 9, SK-812 37 Bratislava, Slovakia; (D.D.); (P.R.)
| | - Vladimir B. Arion
- Institute of Inorganic Chemistry, University of Vienna, Währinger Strasse 42, A-1090 Vienna, Austria
- Correspondence: (I.S.); (V.B.A.)
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25
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Mahmoudi G, Babashkina MG, Maniukiewicz W, Afkhami FA, Nunna BB, Zubkov FI, Ptaszek AL, Szczepanik DW, Mitoraj MP, Safin DA. Solvent-Induced Formation of Novel Ni(II) Complexes Derived from Bis-Thiosemicarbazone Ligand: An Insight from Experimental and Theoretical Investigations. Int J Mol Sci 2021; 22:ijms22105337. [PMID: 34069455 PMCID: PMC8159110 DOI: 10.3390/ijms22105337] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 05/03/2021] [Accepted: 05/10/2021] [Indexed: 11/16/2022] Open
Abstract
In this work, we report solvent-induced complexation properties of a new N2S2 tetradentate bis-thiosemicarbazone ligand (H2LI), prepared by the condensation of 4-phenylthiosemicarbazide with bis-aldehyde, namely 2,2'-(ethane-1,2-diylbis(oxy)dibenzaldehyde, towards nickel(II). Using ethanol as a reaction medium allowed the isolation of a discrete mononuclear homoleptic complex [NiLI] (1), for which its crystal structure contains three independent molecules, namely 1-I, 1-II, and 1-III, in the asymmetric unit. The doubly deprotonated ligand LI in the structure of 1 is coordinated in a cis-manner through the azomethine nitrogen atoms and the thiocarbonyl sulfur atoms. The coordination geometry around metal centers in all the three crystallographically independent molecules of 1 is best described as the seesaw structure. Interestingly, using methanol as a reaction medium in the same synthesis allowed for the isolation of a discrete mononuclear homoleptic complex [Ni(LII)2] (2), where LII is a monodeprotonated ligand 2-(2-(2-(2-(dimethoxymethyl)phenoxy)ethoxy)benzylidene)-N-phenylhydrazine-1-carbothioamide (HLII). The ligand LII was formed in situ from the reaction of LI with methanol upon coordination to the metal center under synthetic conditions. In the structure of 2, two ligands LII are coordinated in a trans-manner through the azomethine nitrogen atom and the thiocarbonyl sulfur atom, also yielding a seesaw coordination geometry around the metal center. The charge and energy decomposition scheme ETS-NOCV allows for the conclusion that both structures are stabilized by a bunch of London dispersion-driven intermolecular interactions, including predominantly N-H∙∙∙S and N-H∙∙∙O hydrogen bonds in 1 and 2, respectively; they are further augmented by less typical C-H∙∙∙X (where X = S, N, O, π), CH∙∙∙HC, π∙∙∙π stacking and the most striking, attractive long-range intermolecular C-H∙∙∙Ni preagostic interactions. The latter are found to be determined by both stabilizing Coulomb forces and an exchange-correlation contribution as revealed by the IQA energy decomposition scheme. Interestingly, the analogous long-range C-H∙∙∙S interactions are characterized by a repulsive Coulomb contribution and the prevailing attractive exchange-correlation constituent. The electron density of the delocalized bonds (EDDB) method shows that the nickel(II) atom shares only ~0.8|e| due to the σ-conjugation with the adjacent in-plane atoms, demonstrating a very weak σ-metalloaromatic character.
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Affiliation(s)
- Ghodrat Mahmoudi
- Department of Chemistry, Faculty of Science, University of Maragheh, Maragheh P.O. Box 55181-83111, Iran
- Correspondence: (G.M.); (W.M.); (M.P.M.); (D.A.S.)
| | | | - Waldemar Maniukiewicz
- Institute of General and Ecological Chemistry, Lodz University of Technology, Żeromskiego 116, 90-924 Łódź, Poland
- Correspondence: (G.M.); (W.M.); (M.P.M.); (D.A.S.)
| | - Farhad Akbari Afkhami
- Department of Chemistry, The University of Alabama, Box 870336, 250 Hackberry Lane, Tuscaloosa, AL 35487, USA;
| | - Bharath Babu Nunna
- Department of Mechanical and Industrial Engineering, New Jersey Institute of Technology, University Heights, Newark, NJ 07102, USA;
- Department of Medicine, Division of Engineering in Medicine, Brigham and Women’s Hospital, Harvard Medical School, Harvard University, Cambridge, MA 02139, USA
| | - Fedor I. Zubkov
- Organic Chemistry Department, Faculty of Science, Peoples’ Friendship University of Russia (RUDN University), Miklukho-Maklaya Str. 6, 117198 Moscow, Russia;
| | - Aleksandra L. Ptaszek
- Department of Theoretical Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Cracow, Poland; (A.L.P.); (D.W.S.)
| | - Dariusz W. Szczepanik
- Department of Theoretical Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Cracow, Poland; (A.L.P.); (D.W.S.)
| | - Mariusz P. Mitoraj
- Department of Theoretical Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Cracow, Poland; (A.L.P.); (D.W.S.)
- Correspondence: (G.M.); (W.M.); (M.P.M.); (D.A.S.)
| | - Damir A. Safin
- Institute of Chemistry, University of Tyumen, Volodarskogo Str. 6, 625003 Tyumen, Russia
- Innovation Center for Chemical and Pharmaceutical Technologies, Ural Federal University Named after the First President of Russia B.N. Eltsin, Mira Str. 19, 620002 Ekaterinburg, Russia
- Kurgan State University, Sovetskaya Str. 63/4, 640020 Tyumen, Russia
- Correspondence: (G.M.); (W.M.); (M.P.M.); (D.A.S.)
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26
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Peng Z, Wang G, Zeng QH, Li Y, Liu H, Wang JJ, Zhao Y. A systematic review of synthetic tyrosinase inhibitors and their structure-activity relationship. Crit Rev Food Sci Nutr 2021; 62:4053-4094. [PMID: 33459057 DOI: 10.1080/10408398.2021.1871724] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Tyrosinase is a copper-containing oxidation enzyme, which is responsible for the production of melanin. This enzyme is widely distributed in microorganisms, animals and plants, and plays an essential role in undesirable browning of fruits and vegetables, antibiotic resistance, skin pigment formation, sclerotization of cuticle, neurodegeneration, etc. Hence, it has been recognized as a therapeutic target for the development of antibrowning agents, antibacterial agents, skin-whitening agents, insecticides, and other therapeutic agents. With great potential application in food, agricultural, cosmetic and pharmaceutical industries, a large number of synthetic tyrosinase inhibitors have been widely reported in recent years. In this review, we systematically summarized the advances of synthetic tyrosinase inhibitors in the literatures, including their inhibitory activity, cytotoxicity, structure-activity relationship (SAR), inhibition kinetics, and interaction mechanisms with the enzyme. The collected information is expected to provide a rational guidance and effective strategy to develop novel, potent and safe tyrosinase inhibitors for better practical applications in the future.
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Affiliation(s)
- Zhiyun Peng
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Guangcheng Wang
- Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, China
| | - Qiao-Hui Zeng
- Department of Food Science, Foshan University, Foshan, China
| | - Yufeng Li
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Haiquan Liu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China.,Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture, Shanghai, China.,Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai, China
| | - Jing Jing Wang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China.,Department of Food Science, Foshan University, Foshan, China.,Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture, Shanghai, China.,Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai, China
| | - Yong Zhao
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China.,Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture, Shanghai, China.,Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai, China
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27
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Iraji A, Panahi Z, Edraki N, Khoshneviszadeh M, Khoshneviszadeh M. Design, synthesis, in vitro and in silico studies of novel Schiff base derivatives of 2-hydroxy-4-methoxybenzamide as tyrosinase inhibitors. Drug Dev Res 2020; 82:533-542. [PMID: 33340117 DOI: 10.1002/ddr.21771] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 11/29/2020] [Indexed: 12/19/2022]
Abstract
Due to the fact that tyrosinase is responsible for biosynthesis and regulation of melanins and browning food products, tyrosinase inhibitors can be favorable agents in cosmetics and medicinal industries. A series of novel 2-hydroxy-4-methoxybenzohydrazide were designed, synthesized, and their new application as tyrosinase inhibitors was also disclosed. Based on in vitro tyrosinase inhibitory assay, 4d as the strongest inhibitor of tyrosinase with an IC50 value of 7.57 μM showed approximately 2.5-fold better inhibition than kojic acid as positive control followed by two compounds 4b (IC50 = 8.19 ± 0.25 μM) and 4j (IC50 = 8.92 ± 0.016) which displayed preferable tyrosinase inhibitory activity. Detailed investigations on the mechanism of action of the 4d reported mix type of inhibition. More importantly, molecular modeling assessments proposed the ability of 4d for potential interaction with Cu (metal)-His (residue) within tyrosinase active site. Overall, 4d is a promising candidate for the development of anti-tyrosinase agents.
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Affiliation(s)
- Aida Iraji
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zahra Panahi
- Department of Medicinal Chemistry, Faculty of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Najmeh Edraki
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mahsima Khoshneviszadeh
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mehdi Khoshneviszadeh
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.,Department of Medicinal Chemistry, Faculty of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
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28
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Mavridi-Printezi A, Guernelli M, Menichetti A, Montalti M. Bio-Applications of Multifunctional Melanin Nanoparticles: From Nanomedicine to Nanocosmetics. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2276. [PMID: 33212974 PMCID: PMC7698489 DOI: 10.3390/nano10112276] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 11/05/2020] [Accepted: 11/12/2020] [Indexed: 12/13/2022]
Abstract
Bioinspired nanomaterials are ideal components for nanomedicine, by virtue of their expected biocompatibility or even complete lack of toxicity. Natural and artificial melanin-based nanoparticles (MNP), including polydopamine nanoparticles (PDA NP), excel for their extraordinary combination of additional optical, electronic, chemical, photophysical, and photochemical properties. Thanks to these features, melanin plays an important multifunctional role in the design of new platforms for nanomedicine where this material works not only as a mechanical support or scaffold, but as an active component for imaging, even multimodal, and simple or synergistic therapy. The number of examples of bio-applications of MNP increased dramatically in the last decade. Here, we review the most recent ones, focusing on the multiplicity of functions that melanin performs in theranostics platforms with increasing complexity. For the sake of clarity, we start analyzing briefly the main properties of melanin and its derivative as well as main natural sources and synthetic methods, moving to imaging application from mono-modal (fluorescence, photoacoustic, and magnetic resonance) to multi-modal, and then to mono-therapy (drug delivery, anti-oxidant, photothermal, and photodynamic), and finally to theranostics and synergistic therapies, including gene- and immuno- in combination to photothermal and photodynamic. Nanomedicine aims not only at the treatment of diseases, but also to their prevention, and melanin in nature performs a protective action, in the form of nanopigment, against UV-Vis radiations and oxidants. With these functions being at the border between nanomedicine and cosmetics nanotechnology, recently examples of applications of artificial MNP in cosmetics are increasing, paving the road to the birth of the new science of nanocosmetics. In the last part of this review, we summarize and discuss these important recent results that establish evidence of the interconnection between nanomedicine and cosmetics nanotechnology.
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Affiliation(s)
- Alexandra Mavridi-Printezi
- Department of Chemistry “Giacomo Ciamician”, University of Bologna, Via Selmi 2, 40126 Bologna, Italy; (A.M.-P.); (M.G.); (A.M.)
| | - Moreno Guernelli
- Department of Chemistry “Giacomo Ciamician”, University of Bologna, Via Selmi 2, 40126 Bologna, Italy; (A.M.-P.); (M.G.); (A.M.)
| | - Arianna Menichetti
- Department of Chemistry “Giacomo Ciamician”, University of Bologna, Via Selmi 2, 40126 Bologna, Italy; (A.M.-P.); (M.G.); (A.M.)
| | - Marco Montalti
- Department of Chemistry “Giacomo Ciamician”, University of Bologna, Via Selmi 2, 40126 Bologna, Italy; (A.M.-P.); (M.G.); (A.M.)
- Tecnopolo di Rimini, Via Campana 71, 47922 Rimini, Italy
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29
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Cabezudo I, Ayelen Ramallo I, Alonso VL, Furlan RLE. Effect directed synthesis of a new tyrosinase inhibitor with anti-browning activity. Food Chem 2020; 341:128232. [PMID: 33039744 DOI: 10.1016/j.foodchem.2020.128232] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 09/24/2020] [Accepted: 09/24/2020] [Indexed: 11/24/2022]
Abstract
The inhibition of enzymatic browning is an attractive target to elevate the quality of foods. The objective of this work is to describe a novel platform for the discovery of tyrosinase inhibitors, based on (a) one-pot preparation of a library of thiosemicarbazide compounds, (b) biological evaluation using tyrosinase TLC bioautography, (c) inhibitor identification via mass spectrometry coupled to bioautography. During these proof-of-concept experiments, the approach led to the straightforward identification of a new thiosemicarbazone with improved tyrosinase inhibition properties and fresh-cut apple slices antibrowning effect when compared to kojic acid. In conclusion, the platform represents an interesting strategy for the discovery of this type of inhibitors.
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Affiliation(s)
- Ignacio Cabezudo
- Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario and Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Suipacha 531, 2000 Rosario, Argentina.
| | - I Ayelen Ramallo
- Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario and Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Suipacha 531, 2000 Rosario, Argentina.
| | - Victoria L Alonso
- Instituto de Biología Molecular y Celular de Rosario (IBR-CONICET), Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Argentina.
| | - Ricardo L E Furlan
- Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario and Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Suipacha 531, 2000 Rosario, Argentina.
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30
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Hosseinpoor H, Iraji A, Edraki N, Pirhadi S, Attarroshan M, Khoshneviszadeh M, Khoshneviszadeh M. A Series of Benzylidenes Linked to Hydrazine-1-carbothioamide as Tyrosinase Inhibitors: Synthesis, Biological Evaluation and Structure-Activity Relationship. Chem Biodivers 2020; 17:e2000285. [PMID: 32478439 DOI: 10.1002/cbdv.202000285] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Accepted: 05/28/2020] [Indexed: 12/19/2022]
Abstract
Tyrosinase is a type 3 copper enzyme responsible for skin pigmentation disorders, skin cancer, and enzymatic browning of vegetables and fruits. In the present article, 12 small molecules of 2-benzylidenehydrazine-1-carbothioamide were designed, synthesized and evaluated for their anti-tyrosinase activities followed by molecular docking and pharmacophore-based screening. Among synthesized thiosemicarbazone derivatives, one compound, (2E)-2-[(4-nitrophenyl)methylidene]hydrazine-1-carbothioamide, is the strongest inhibitor of mushroom tyrosinase with IC50 of 0.05 μM which demonstrated a 128-fold increase in potency compared to the positive control. Kinetic studies also revealed mix type inhibition by this compound. Docking studies confirmed the complete fitting of the synthesized compounds into the tyrosinase active site. The results underline the potential of 2-benzylidenehydrazine-1-carbothioamides as potent pharmacophore to extend the tyrosinase inhibition in drug discovery.
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Affiliation(s)
- Hona Hosseinpoor
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, 71348, Shiraz, Iran.,Department of Medicinal Chemistry, Faculty of Pharmacy, Shiraz University of Medical Sciences, 71345, Shiraz, Iran
| | - Aida Iraji
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, 71348, Shiraz, Iran.,Central Research Laboratory, Shiraz University of Medical Sciences, 71468, Shiraz, Iran
| | - Najmeh Edraki
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, 71348, Shiraz, Iran
| | - Somayeh Pirhadi
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, 71348, Shiraz, Iran
| | - Mahshid Attarroshan
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, 71348, Shiraz, Iran
| | - Mahsima Khoshneviszadeh
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, 71348, Shiraz, Iran
| | - Mehdi Khoshneviszadeh
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, 71348, Shiraz, Iran.,Department of Medicinal Chemistry, Faculty of Pharmacy, Shiraz University of Medical Sciences, 71345, Shiraz, Iran
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31
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Bonaccorso C, Marzo T, La Mendola D. Biological Applications of Thiocarbohydrazones and Their Metal Complexes: A Perspective Review. Pharmaceuticals (Basel) 2019; 13:E4. [PMID: 31881715 PMCID: PMC7169414 DOI: 10.3390/ph13010004] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2019] [Revised: 12/10/2019] [Accepted: 12/18/2019] [Indexed: 12/28/2022] Open
Abstract
Although organic compounds account for more than 99% of currently approved clinical drugs, the established clinical use of cisplatin in cancer or auranofin in rheumatoid arthritis have paved the way to several research initiatives to identify metal-based drugs for a wide range of human diseases. Nitrogen and sulfur donor ligands, characterized by different binding motifs, have been the subject in recent years of one of the main research areas in coordination chemistry. Among the nitrogen/sulfur compounds, very little is known about thiocarbohydrazones (TCH), the higher homologues of the well-known thiosemicarbazones (TSC), and their metal complexes. The extra hydrazine moiety provides the ligands of variable metal binding modes, structural diversity and promising biological implications. The interesting coordination chemistry of TCH has mainly been focused on symmetric derivatives, which are relatively simple to synthesize while few examples of asymmetric ligands have been reported. This informative review on TCHs and their metal complexes will be helpful for improving the design of metal-based pharmaceuticals for applications ranging from anticancer to antinfective therapy.
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Affiliation(s)
- Carmela Bonaccorso
- Dipartimento di Scienze Chimiche, Università degli Studi di Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Tiziano Marzo
- Dipartimento di Farmacia, Università di Pisa, Via Bonanno Pisano 6, 56126 Pisa, Italy;
| | - Diego La Mendola
- Dipartimento di Farmacia, Università di Pisa, Via Bonanno Pisano 6, 56126 Pisa, Italy;
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32
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Orhan IE. Enzyme Inhibitors as the Attractive Targets for the Treatment of Various Diseases. Curr Med Chem 2019; 26:3206-3207. [PMID: 31526340 DOI: 10.2174/092986732618190821115641] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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33
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Wolińska E, Hałdys K, Góra J, Olszewski TK, Boduszek B, Latajka R. Phosphonic and Phosphinic Acid Derivatives as Novel Tyrosinase Inhibitors: Kinetic Studies and Molecular Docking. Chem Biodivers 2019; 16:e1900167. [DOI: 10.1002/cbdv.201900167] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 05/29/2019] [Indexed: 12/29/2022]
Affiliation(s)
- Ewa Wolińska
- Department of Bioorganic ChemistryWrocław University of Science and Technology Wybrzeże Wyspiańskiego 27 50-370 Wrocław Poland
| | - Katarzyna Hałdys
- Department of Bioorganic ChemistryWrocław University of Science and Technology Wybrzeże Wyspiańskiego 27 50-370 Wrocław Poland
| | - Jerzy Góra
- Department of Bioorganic ChemistryWrocław University of Science and Technology Wybrzeże Wyspiańskiego 27 50-370 Wrocław Poland
| | - Tomasz K. Olszewski
- Department of Organic ChemistryWrocław University of Science and Technology Wybrzeże Wyspiańskiego 27 50-370 Wrocław Poland
| | - Bogdan Boduszek
- Department of Organic ChemistryWrocław University of Science and Technology Wybrzeże Wyspiańskiego 27 50-370 Wrocław Poland
| | - Rafał Latajka
- Department of Bioorganic ChemistryWrocław University of Science and Technology Wybrzeże Wyspiańskiego 27 50-370 Wrocław Poland
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34
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Cai P, Xiong Y, Yao Y, Chen W, Dong X. Synthesis, screening and biological activity of potent thiosemicarbazone compounds as a tyrosinase inhibitor. NEW J CHEM 2019. [DOI: 10.1039/c9nj02360g] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Inhibitors are designed based on coordination chemistry and catalytic circle of the tyrosinase, coordination atoms binds to copper and blocks enzyme activity, indicated that thiosemicarbazone species possess good potential as tyrosinase inhibitors.
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Affiliation(s)
- Penggen Cai
- National Local Joint Engineering Laboratory for Advanced Textile Processing and Clean Production
- Wuhan Textile University
- Wuhan 430200
- China
| | - Yi Xiong
- National Local Joint Engineering Laboratory for Advanced Textile Processing and Clean Production
- Wuhan Textile University
- Wuhan 430200
- China
| | - Yao Yao
- National Local Joint Engineering Laboratory for Advanced Textile Processing and Clean Production
- Wuhan Textile University
- Wuhan 430200
- China
| | - Wu Chen
- National Local Joint Engineering Laboratory for Advanced Textile Processing and Clean Production
- Wuhan Textile University
- Wuhan 430200
- China
| | - Xiongwei Dong
- National Local Joint Engineering Laboratory for Advanced Textile Processing and Clean Production
- Wuhan Textile University
- Wuhan 430200
- China
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