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Stavropoulou K, Kaimaki A, Nikolaou M, Brown AK, Tsotinis A, Taylor MC, Kelly JM, Papanastasiou IP. New Trypanosoma brucei acting derivatives incorporating 1-(4-phenyl)adamantane and 1-(4-phenoxyphenyl)adamantane. RSC Med Chem 2025:d5md00135h. [PMID: 40337307 PMCID: PMC12053444 DOI: 10.1039/d5md00135h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2025] [Accepted: 04/22/2025] [Indexed: 05/09/2025] Open
Abstract
In this work, we describe the design, synthesis and evaluation of novel functionalised 1-(4-phenyl)adamantane and 1-(4-phenoxyphenyl)adamantane derivatives. Based on previous findings, we incorporated a phenyl ring between the adamantane core and the pharmacophoric side chain to enhance the activity and selectivity index (SI). The aromatic imidazolines 1a-d and the linear amidines 2a,b and 3a,b exhibited notable activity against T. brucei. The 1-(4-phenyl)adamantane 1-(4-phenoxyphenyl)adamantane core was further functionalized with the aminoguanylhydrazone and thiosemicarbazone moieties. 2-[(E)-4-(1-adamantyl)benzylidene]hydrazine-1-carbothioamide 4c emerged as a promising trypanocidal agent with an EC50 of 0.16 μM and an SI of 17. Future studies will focus on optimizing the length and the distance of the side chain between the aromatic ring and the chromophores to further enhance the activity and selectivity of these molecules.
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Affiliation(s)
- Konstantina Stavropoulou
- Division of Pharmaceutical Chemistry, Department of Pharmacy, School of Health Sciences, National and Kapodistrian University of Athens Panepistimiopoli-Zografou 157 71 Athens Greece
| | - Angeliki Kaimaki
- Division of Pharmaceutical Chemistry, Department of Pharmacy, School of Health Sciences, National and Kapodistrian University of Athens Panepistimiopoli-Zografou 157 71 Athens Greece
| | - Maria Nikolaou
- Division of Pharmaceutical Chemistry, Department of Pharmacy, School of Health Sciences, National and Kapodistrian University of Athens Panepistimiopoli-Zografou 157 71 Athens Greece
| | - Ana K Brown
- Division of Pharmaceutical Chemistry, Department of Pharmacy, School of Health Sciences, National and Kapodistrian University of Athens Panepistimiopoli-Zografou 157 71 Athens Greece
- Department of Chemistry, University of San Francisco 2130 Fulton Street San Francisco California CA 94117 USA
| | - Andrew Tsotinis
- Division of Pharmaceutical Chemistry, Department of Pharmacy, School of Health Sciences, National and Kapodistrian University of Athens Panepistimiopoli-Zografou 157 71 Athens Greece
| | - Martin C Taylor
- Department of Pathogen Molecular Biology, London School of Hygiene and Tropical Medicine Keppel Street London WC1 E7HT UK
| | - John M Kelly
- Department of Pathogen Molecular Biology, London School of Hygiene and Tropical Medicine Keppel Street London WC1 E7HT UK
| | - Ioannis P Papanastasiou
- Division of Pharmaceutical Chemistry, Department of Pharmacy, School of Health Sciences, National and Kapodistrian University of Athens Panepistimiopoli-Zografou 157 71 Athens Greece
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2
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Nunes JA, Santos-Júnior PFDS, Gomes MC, Ferreira LAS, Padilha EKA, Teixeira TR, Stanger EJ, Kaur Y, Silva EBD, Costa CACB, Freitas JDD, Araújo-Júnior JXD, Mendonça-Junior FJB, Giardini MA, Siqueira-Neto JL, Caffrey CR, Zhan P, Cardoso SH, Silva-Júnior EFD. Nanomolar activity of coumarin-3-thiosemicarbazones targeting Trypanosoma cruzi cruzain and the T. brucei cathepsin L-like protease. Eur J Med Chem 2025; 283:117109. [PMID: 39653622 DOI: 10.1016/j.ejmech.2024.117109] [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: 06/26/2024] [Revised: 11/20/2024] [Accepted: 11/26/2024] [Indexed: 01/03/2025]
Abstract
Trypanosoma cruzi (T. cruzi) and Trypanosoma brucei (T. brucei) urgently demand innovative drug development due to their impact on public health worldwide. Their cysteine proteases, Cruzain (CRZ) and the T. brucei Cathepsin L-like protease (TbrCATL) are established drug targets for these parasites. In this study, our coumarin-3-thiosemicarbazones demonstrated nanomolar IC50 values (22-698 nM) toward these proteases. Against T. cruzi amastigotes and T. brucei trypomastigotes, LASF-01 displayed a promising result. Herein, MCG-02, the most potent TbrCATL inhibitor, underwent comprehensive analyses, including cytotoxicity assessments and in vitro tests. Molecular dynamics (MD) simulations and a multiscale Quantum Mechanics/Quantum Mechanics (QM/QM) approach were used to generate insights into their binding modes. These suggested that MCG-02 could be a reversible, competitive covalent inhibitor. Further, confirmatory assays were experimentally performed changing different parameters to prove its efficacy. Additionally, the predicted pharmacokinetic profile showed that there is no violation of the Lipinski rule of five. Notably, coumarin-3-thiosemicarbazone hybrids emerged as promising candidates for designing highly active inhibitors against CRZ and TbrCATL. Overall, the integration of in silico and experimental approaches enhanced our understanding regarding the binding modes of MCG-02, which were experimentally corroborated, providing valuable insights for future drug development.
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Affiliation(s)
- Jéssica Alves Nunes
- Biological and Molecular Chemistry Research Group, Institute of Chemistry and Biotechnology, Federal University of Alagoas, Lourival Melo Mota Avenue, AC. Simões Campus, Alagoas, Maceió, 57072-970, Brazil
| | - Paulo Fernando da Silva Santos-Júnior
- Laboratory of Medicinal Chemistry, Institute of Pharmaceutical Sciences, Federal University of Alagoas, Lourival Melo Mota Avenue, AC. Simões Campus, Alagoas, Maceió, 57072-970, Brazil
| | - Midiane Correa Gomes
- Biological and Molecular Chemistry Research Group, Institute of Chemistry and Biotechnology, Federal University of Alagoas, Lourival Melo Mota Avenue, AC. Simões Campus, Alagoas, Maceió, 57072-970, Brazil
| | - Luiz Alberto Santos Ferreira
- Laboratory of Organic and Medicinal Synthesis, Federal University of Alagoas, Campus Arapiraca, Manoel Severino Barbosa Avenue, Arapiraca, 57309-005, Brazil
| | - Emanuelly Karla Araújo Padilha
- Biological and Molecular Chemistry Research Group, Institute of Chemistry and Biotechnology, Federal University of Alagoas, Lourival Melo Mota Avenue, AC. Simões Campus, Alagoas, Maceió, 57072-970, Brazil
| | - Thaiz Rodrigues Teixeira
- Center for Discovery and Innovation in Parasitic Diseases, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA 92093, USA
| | - Emily J Stanger
- Center for Discovery and Innovation in Parasitic Diseases, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA 92093, USA
| | - Yashpreet Kaur
- Center for Discovery and Innovation in Parasitic Diseases, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA 92093, USA
| | - Elany Barbosa da Silva
- Center for Discovery and Innovation in Parasitic Diseases, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA 92093, USA
| | | | - Johnnatan Duarte de Freitas
- Department of Chemistry, Federal Institute of Alagoas, Maceió Campus, Mizael Domingues Street, 57020-600, Maceió, Alagoas, Brazil
| | - João Xavier de Araújo-Júnior
- Laboratory of Medicinal Chemistry, Institute of Pharmaceutical Sciences, Federal University of Alagoas, Lourival Melo Mota Avenue, AC. Simões Campus, Alagoas, Maceió, 57072-970, Brazil
| | | | - Miriam A Giardini
- Center for Discovery and Innovation in Parasitic Diseases, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA 92093, USA
| | - Jair L Siqueira-Neto
- Center for Discovery and Innovation in Parasitic Diseases, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA 92093, USA
| | - Conor R Caffrey
- Center for Discovery and Innovation in Parasitic Diseases, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA 92093, USA
| | - Peng Zhan
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology, Ministry of Education, School of Pharmaceutical Sciences, Shandong University, 44 West Culture Road, 250012, Jinan, Shandong, PR China
| | - Sílvia Helena Cardoso
- Laboratory of Organic and Medicinal Synthesis, Federal University of Alagoas, Campus Arapiraca, Manoel Severino Barbosa Avenue, Arapiraca, 57309-005, Brazil.
| | - Edeildo Ferreira da Silva-Júnior
- Biological and Molecular Chemistry Research Group, Institute of Chemistry and Biotechnology, Federal University of Alagoas, Lourival Melo Mota Avenue, AC. Simões Campus, Alagoas, Maceió, 57072-970, Brazil.
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3
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Wang YR, Yang L, Wang DT, Li AP, Zhang SY, Qin LL, Bian Q, Zhang ZJ, Ding YY, Zhou H, Peng D, Wang GH, Liu YQ. Design and synthesis aldehydes-thiourea and thiazolyl hydrazine derivatives as promising antifungal agents against Monilinia fructicola. PEST MANAGEMENT SCIENCE 2025; 81:170-184. [PMID: 39387322 DOI: 10.1002/ps.8417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 08/23/2024] [Accepted: 09/03/2024] [Indexed: 10/15/2024]
Abstract
BACKGROUND Fungal diseases present a significant threat to global agriculture, necessitating the development of new, safe, and effective fungicides. Existing fungicides face resistance and health risks, prompting the synthesis of novel compounds. Researchers have synthesized aldehyde-based thiourea and thiazolyl hydrazine derivatives, evaluating their antifungal activities to identify impactful pesticide molecules. RESULTS The results showed that most of the compounds had broad-spectrum antifungal activity against six plant pathogenic fungi and four post-harvest fungi. Notably, compound LN18 showed the best antifungal activity against Monilinia fructicola with a half-maximal effective concentration (EC50) of 0.17 μg mL-1, which was better than the commercial fungicide natamycin. A structure-activity relationship (SAR) study showed that the presence of unsaturated double bonds in the structure and the length of the carbon chain were the main factors affecting antifungal activity. The presence of unsaturated double bonds and an increase in the length of the carbon chain greatly improved inhibitory activity against the tested pathogens. The preliminary mechanism study showed that LN18 could damage the integrity of the mycelial plasma membrane, leading to leakage of intracellular nucleic acid and protein. LN18 also induced an increase in the intracellular reactive oxygen species level to exert its antifungal effects. In addition, compound LN18 had a stronger antifungal effect in vivo, and better phytotoxicity than natamycin, indicating broad application prospects in agriculture. CONCLUSION Aldehydes-thiourea and thiazolyl hydrazine derivatives demonstrate remarkable antifungal efficacy against plant pathogenic and post-harvest fungi, offering a promising avenue for commercialization as highly efficacious, cost-effective and safe antifungal agents. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Yi-Rong Wang
- School of Pharmacy, Lanzhou University, Lanzhou, People's Republic of China
| | - Liu Yang
- School of Pharmacy, Lanzhou University, Lanzhou, People's Republic of China
| | - Deng-Tuo Wang
- School of Pharmacy, Lanzhou University, Lanzhou, People's Republic of China
| | - An-Ping Li
- School of Pharmacy, Southwest Minzu University, Chengdu, China
| | - Shao-Yong Zhang
- Key Laboratory of Vector Biology and Pathogen Control of Zhejiang Province, College of Life Science, Huzhou University, Huzhou, China
| | - Lu-Lu Qin
- School of Pharmacy, Lanzhou University, Lanzhou, People's Republic of China
| | - Qiang Bian
- National Pesticide Engineering Research Center (Tianjin), College of Chemistry, Nankai University, Tianjin, China
| | - Zhi-Jun Zhang
- School of Pharmacy, Lanzhou University, Lanzhou, People's Republic of China
| | - Yan-Yan Ding
- School of Pharmacy, Lanzhou University, Lanzhou, People's Republic of China
| | - Han Zhou
- School of Pharmacy, Lanzhou University, Lanzhou, People's Republic of China
| | - Deng Peng
- School of Pharmacy, Lanzhou University, Lanzhou, People's Republic of China
| | - Guang-Han Wang
- School of Pharmacy, Lanzhou University, Lanzhou, People's Republic of China
| | - Ying-Qian Liu
- School of Pharmacy, Lanzhou University, Lanzhou, People's Republic of China
- Key Laboratory of Vector Biology and Pathogen Control of Zhejiang Province, College of Life Science, Huzhou University, Huzhou, China
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4
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Khan H, Hakami MA, Alamri MA, Alotaibi BS, Ullah N, Khan R, Khalid A, Abdalla AN, Wadood A. Identification of Novel Antileishmanial Chemotypes By High-Throughput Virtual and In Vitro Screening. Acta Parasitol 2024; 69:1439-1457. [PMID: 39150581 DOI: 10.1007/s11686-024-00899-8] [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: 12/11/2023] [Accepted: 07/30/2024] [Indexed: 08/17/2024]
Abstract
BACKGROUND Leishmaniasis is a deadly protozoan parasitic disease and a significant health problem in underdeveloped and developing countries. The global spread of the parasite, coupled with the emergence of drug resistance and severe side effects associated with existing treatments, has necessitated the identification of new and potential drugs. OBJECTIVE This study aimed to identify promising compounds for the treatment of leishmaniasis by targeting two essential enzymes of Leishmania donovani: trypanothione reductase (Try-R) and trypanothione synthetase (Try-S). METHODS High-throughput virtual and in vitro screening of in-house and commercial databases was conducted. A pharmacophore model with seven features was developed and validated using the Guner-Henery method. The pharmacophore-based virtual screening yielded 690 hits, which were further filtered through Lipinski's rule, ADMET analysis, and molecular docking against Try-R and Try-S. Molecular dynamics studies were performed on selected compounds, and in vitro experiments were conducted to evaluate their activity against the promastigote and amastigote forms of L. donovani. RESULTS The virtual screening and subsequent analysis identified 33 promising compounds. Molecular dynamics studies of two compounds (comp-1 and comp-2) demonstrated stable binding interactions with the target enzymes and high affinity. In vitro experiments revealed that 13 compounds exhibited moderate activity against both the promastigote (IC50, 41 µM-76 µM) and the amastigote (IC50, 44 µM-72 µM) forms of L. donovani. Compounds 1 and 2 showed the highest percent inhibition and the lowest IC50 values. CONCLUSION The identified compounds demonstrated significant inhibitory activity against Leishmania donovani and stable interactions with target enzymes. These findings suggest that the compounds could serve as promising leads for developing new treatments for leishmaniasis.
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Affiliation(s)
- Huma Khan
- Department of Biochemistry, Abdul Wali Khan University Mardan, Mardan, Pakistan
| | - Mohammed Ageeli Hakami
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Shaqra Univesity, Al-Quwayiyah-19257, Riyadh, Saudi Arabia
| | - Mubarak A Alamri
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, 11942, Al-Kharj, Saudi Arabia
| | - Bader S Alotaibi
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Shaqra Univesity, Al-Quwayiyah-19257, Riyadh, Saudi Arabia
| | - Nazif Ullah
- Department of Biotechnology, Abdul Wali Khan University Mardan, Mardan, Pakistan
| | - Rasool Khan
- Institute of Chemical Sciences, University of Peshawar, Peshawar, Pakistan
| | - Asaad Khalid
- Substance Abuse and Toxicology Research Center, Jazan University, P.O. Box: 114, 45142, Jazan, Saudi Arabia.
| | - Ashraf N Abdalla
- Department of Pharmacology and Toxicology, College of Pharmacy, Umm Al-Qura University, 21955, Makkah, Saudi Arabia
| | - Abdul Wadood
- Department of Biochemistry, Abdul Wali Khan University Mardan, Mardan, Pakistan.
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5
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Semeraro M, Boubaker G, Scaccaglia M, Müller J, Vigneswaran A, Hänggeli KPA, Amdouni Y, Kramer LH, Vismarra A, Genchi M, Pelosi G, Bisceglie F, Heller M, Uldry AC, Braga-Lagache S, Hemphill A. Transient Adaptation of Toxoplasma gondii to Exposure by Thiosemicarbazone Drugs That Target Ribosomal Proteins Is Associated with the Upregulated Expression of Tachyzoite Transmembrane Proteins and Transporters. Int J Mol Sci 2024; 25:9067. [PMID: 39201756 PMCID: PMC11354806 DOI: 10.3390/ijms25169067] [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: 08/01/2024] [Revised: 08/16/2024] [Accepted: 08/19/2024] [Indexed: 09/03/2024] Open
Abstract
Thiosemicarbazones and their metal complexes have been studied for their biological activities against bacteria, cancer cells and protozoa. Short-term in vitro treatment with one gold (III) complex (C3) and its salicyl-thiosemicarbazone ligand (C4) selectively inhibited proliferation of T. gondii. Transmission Electron Microscopy (TEM) detected transient structural alterations in the parasitophorous vacuole membrane and the tachyzoite cytoplasm, but the mitochondrial membrane potential appeared unaffected by these compounds. Proteins potentially interacting with C3 and C4 were identified using differential affinity chromatography coupled with mass spectrometry (DAC-MS). Moreover, long-term in vitro treatment was performed to investigate parasitostatic or parasiticidal activity of the compounds. DAC-MS identified 50 ribosomal proteins binding both compounds, and continuous drug treatments for up to 6 days caused the loss of efficacy. Parasite tolerance to both compounds was, however, rapidly lost in their absence and regained shortly after re-exposure. Proteome analyses of six T. gondii ME49 clones adapted to C3 and C4 compared to the non-adapted wildtype revealed overexpression of ribosomal proteins, of two transmembrane proteins involved in exocytosis and of an alpha/beta hydrolase fold domain-containing protein. Results suggest that C3 and C4 may interfere with protein biosynthesis and that adaptation may be associated with the upregulated expression of tachyzoite transmembrane proteins and transporters, suggesting that the in vitro drug tolerance in T. gondii might be due to reversible, non-drug specific stress-responses mediated by phenotypic plasticity.
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Affiliation(s)
- Manuela Semeraro
- Department of Veterinary Medicine Sciences, University of Parma, Strada del Taglio 10, 43126 Parma, Italy; (M.S.); (L.H.K.); (A.V.); (M.G.)
| | - Ghalia Boubaker
- Institute of Parasitology, Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Länggass-Strasse 122, 3012 Bern, Switzerland; (J.M.); (A.V.); (K.P.A.H.); (Y.A.)
| | - Mirco Scaccaglia
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze, 11/a, 43124 Parma, Italy; (M.S.); (G.P.); (F.B.)
| | - Joachim Müller
- Institute of Parasitology, Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Länggass-Strasse 122, 3012 Bern, Switzerland; (J.M.); (A.V.); (K.P.A.H.); (Y.A.)
| | - Anitha Vigneswaran
- Institute of Parasitology, Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Länggass-Strasse 122, 3012 Bern, Switzerland; (J.M.); (A.V.); (K.P.A.H.); (Y.A.)
| | - Kai Pascal Alexander Hänggeli
- Institute of Parasitology, Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Länggass-Strasse 122, 3012 Bern, Switzerland; (J.M.); (A.V.); (K.P.A.H.); (Y.A.)
| | - Yosra Amdouni
- Institute of Parasitology, Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Länggass-Strasse 122, 3012 Bern, Switzerland; (J.M.); (A.V.); (K.P.A.H.); (Y.A.)
| | - Laura Helen Kramer
- Department of Veterinary Medicine Sciences, University of Parma, Strada del Taglio 10, 43126 Parma, Italy; (M.S.); (L.H.K.); (A.V.); (M.G.)
| | - Alice Vismarra
- Department of Veterinary Medicine Sciences, University of Parma, Strada del Taglio 10, 43126 Parma, Italy; (M.S.); (L.H.K.); (A.V.); (M.G.)
| | - Marco Genchi
- Department of Veterinary Medicine Sciences, University of Parma, Strada del Taglio 10, 43126 Parma, Italy; (M.S.); (L.H.K.); (A.V.); (M.G.)
| | - Giorgio Pelosi
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze, 11/a, 43124 Parma, Italy; (M.S.); (G.P.); (F.B.)
| | - Franco Bisceglie
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze, 11/a, 43124 Parma, Italy; (M.S.); (G.P.); (F.B.)
| | - Manfred Heller
- Proteomics and Mass Spectrometry Core Facility, Department for BioMedical Research (DBMR), University of Bern, Länggass-Strasse 122, 3012 Bern, Switzerland; (M.H.); (A.-C.U.); (S.B.-L.)
| | - Anne-Christine Uldry
- Proteomics and Mass Spectrometry Core Facility, Department for BioMedical Research (DBMR), University of Bern, Länggass-Strasse 122, 3012 Bern, Switzerland; (M.H.); (A.-C.U.); (S.B.-L.)
| | - Sophie Braga-Lagache
- Proteomics and Mass Spectrometry Core Facility, Department for BioMedical Research (DBMR), University of Bern, Länggass-Strasse 122, 3012 Bern, Switzerland; (M.H.); (A.-C.U.); (S.B.-L.)
| | - Andrew Hemphill
- Institute of Parasitology, Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Länggass-Strasse 122, 3012 Bern, Switzerland; (J.M.); (A.V.); (K.P.A.H.); (Y.A.)
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6
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Stadler KA, Ortiz-Joya LJ, Singh Sahrawat A, Buhlheller C, Gruber K, Pavkov-Keller T, O'Hagan TB, Guarné A, Pulido S, Marín-Villa M, Zangger K, Gubensäk N. Structural investigation of Trypanosoma cruzi Akt-like kinase as drug target against Chagas disease. Sci Rep 2024; 14:10039. [PMID: 38693166 PMCID: PMC11063076 DOI: 10.1038/s41598-024-59654-8] [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: 01/19/2024] [Accepted: 04/12/2024] [Indexed: 05/03/2024] Open
Abstract
According to the World Health Organization, Chagas disease (CD) is the most prevalent poverty-promoting neglected tropical disease. Alarmingly, climate change is accelerating the geographical spreading of CD causative parasite, Trypanosoma cruzi, which additionally increases infection rates. Still, CD treatment remains challenging due to a lack of safe and efficient drugs. In this work, we analyze the viability of T. cruzi Akt-like kinase (TcAkt) as drug target against CD including primary structural and functional information about a parasitic Akt protein. Nuclear Magnetic Resonance derived information in combination with Molecular Dynamics simulations offer detailed insights into structural properties of the pleckstrin homology (PH) domain of TcAkt and its binding to phosphatidylinositol phosphate ligands (PIP). Experimental data combined with Alpha Fold proposes a model for the mechanism of action of TcAkt involving a PIP-induced disruption of the intramolecular interface between the kinase and the PH domain resulting in an open conformation enabling TcAkt kinase activity. Further docking experiments reveal that TcAkt is recognized by human inhibitors PIT-1 and capivasertib, and TcAkt inhibition by UBMC-4 and UBMC-6 is achieved via binding to TcAkt kinase domain. Our in-depth structural analysis of TcAkt reveals potential sites for drug development against CD, located at activity essential regions.
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Affiliation(s)
- Karina A Stadler
- Institute of Chemistry/Organic and Bioorganic Chemistry, University of Graz, Graz, Austria
| | - Lesly J Ortiz-Joya
- Institute of Chemistry/Organic and Bioorganic Chemistry, University of Graz, Graz, Austria
- Programa de Estudio y Control de Enfermedades Tropicales (PECET), Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
- Department of Biochemistry, McGill University, Montreal, Canada
| | - Amit Singh Sahrawat
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
- Innophore GmbH, Graz, Austria
| | | | - Karl Gruber
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
- Innophore GmbH, Graz, Austria
- Field of Excellence BioHealth, University of Graz, Graz, Austria
- BioTechMed-Graz, Graz, Austria
| | - Tea Pavkov-Keller
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
- Field of Excellence BioHealth, University of Graz, Graz, Austria
- BioTechMed-Graz, Graz, Austria
| | | | - Alba Guarné
- Department of Biochemistry, McGill University, Montreal, Canada
| | - Sergio Pulido
- Programa de Estudio y Control de Enfermedades Tropicales (PECET), Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
- LifeFactors ZF SAS, Rionegro, Colombia
| | - Marcel Marín-Villa
- Programa de Estudio y Control de Enfermedades Tropicales (PECET), Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
| | - Klaus Zangger
- Institute of Chemistry/Organic and Bioorganic Chemistry, University of Graz, Graz, Austria.
- Field of Excellence BioHealth, University of Graz, Graz, Austria.
- BioTechMed-Graz, Graz, Austria.
| | - Nina Gubensäk
- Institute of Molecular Biosciences, University of Graz, Graz, Austria.
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7
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Linciano P, Quotadamo A, Luciani R, Santucci M, Zorn KM, Foil DH, Lane TR, Cordeiro da Silva A, Santarem N, B Moraes C, Freitas-Junior L, Wittig U, Mueller W, Tonelli M, Ferrari S, Venturelli A, Gul S, Kuzikov M, Ellinger B, Reinshagen J, Ekins S, Costi MP. High-Throughput Phenotypic Screening and Machine Learning Methods Enabled the Selection of Broad-Spectrum Low-Toxicity Antitrypanosomatidic Agents. J Med Chem 2023; 66:15230-15255. [PMID: 37921561 PMCID: PMC10683024 DOI: 10.1021/acs.jmedchem.3c01322] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 10/14/2023] [Accepted: 10/18/2023] [Indexed: 11/04/2023]
Abstract
Broad-spectrum anti-infective chemotherapy agents with activity against Trypanosomes, Leishmania, and Mycobacterium tuberculosis species were identified from a high-throughput phenotypic screening program of the 456 compounds belonging to the Ty-Box, an in-house industry database. Compound characterization using machine learning approaches enabled the identification and synthesis of 44 compounds with broad-spectrum antiparasitic activity and minimal toxicity against Trypanosoma brucei, Leishmania Infantum, and Trypanosoma cruzi. In vitro studies confirmed the predictive models identified in compound 40 which emerged as a new lead, featured by an innovative N-(5-pyrimidinyl)benzenesulfonamide scaffold and promising low micromolar activity against two parasites and low toxicity. Given the volume and complexity of data generated by the diverse high-throughput screening assays performed on the compounds of the Ty-Box library, the chemoinformatic and machine learning tools enabled the selection of compounds eligible for further evaluation of their biological and toxicological activities and aided in the decision-making process toward the design and optimization of the identified lead.
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Affiliation(s)
- Pasquale Linciano
- Department
of Life Sciences, University of Modena and
Reggio Emilia, Via Campi 103, 41125 Modena, Italy
| | - Antonio Quotadamo
- Department
of Life Sciences, University of Modena and
Reggio Emilia, Via Campi 103, 41125 Modena, Italy
| | - Rosaria Luciani
- Department
of Life Sciences, University of Modena and
Reggio Emilia, Via Campi 103, 41125 Modena, Italy
| | - Matteo Santucci
- Department
of Life Sciences, University of Modena and
Reggio Emilia, Via Campi 103, 41125 Modena, Italy
| | - Kimberley M. Zorn
- Collaborations
Pharmaceuticals, Inc., 840 Main Campus Drive, Lab 3510, Raleigh, North Carolina 27606, United States
| | - Daniel H. Foil
- Collaborations
Pharmaceuticals, Inc., 840 Main Campus Drive, Lab 3510, Raleigh, North Carolina 27606, United States
| | - Thomas R. Lane
- Collaborations
Pharmaceuticals, Inc., 840 Main Campus Drive, Lab 3510, Raleigh, North Carolina 27606, United States
| | - Anabela Cordeiro da Silva
- Institute
for Molecular and Cell Biology, 4150-180 Porto, Portugal
- Instituto
de Investigaçao e Inovaçao em Saúde, Universidade do Porto and Institute for Molecular
and Cell Biology, 4150-180 Porto, Portugal
| | - Nuno Santarem
- Institute
for Molecular and Cell Biology, 4150-180 Porto, Portugal
- Instituto
de Investigaçao e Inovaçao em Saúde, Universidade do Porto and Institute for Molecular
and Cell Biology, 4150-180 Porto, Portugal
| | - Carolina B Moraes
- Brazilian
Biosciences National Laboratory (LNBio), Brazilian Center for Research in Energy and Materials (CNPEM), 13083-970 Campinas, São Paulo, Brazil
| | - Lucio Freitas-Junior
- Brazilian
Biosciences National Laboratory (LNBio), Brazilian Center for Research in Energy and Materials (CNPEM), 13083-970 Campinas, São Paulo, Brazil
| | - Ulrike Wittig
- Scientific
Databases and Visualization Group and Molecular and Cellular Modelling
Group, Heidelberg Institute for Theoretical
Studies (HITS), D-69118 Heidelberg, Germany
| | - Wolfgang Mueller
- Scientific
Databases and Visualization Group and Molecular and Cellular Modelling
Group, Heidelberg Institute for Theoretical
Studies (HITS), D-69118 Heidelberg, Germany
| | - Michele Tonelli
- Department
of Pharmacy, University of Genoa, Viale Benedetto XV n.3, 16132 Genoa, Italy
| | - Stefania Ferrari
- Department
of Life Sciences, University of Modena and
Reggio Emilia, Via Campi 103, 41125 Modena, Italy
| | - Alberto Venturelli
- Department
of Life Sciences, University of Modena and
Reggio Emilia, Via Campi 103, 41125 Modena, Italy
- TYDOCK
PHARMA S.r.l., Strada
Gherbella 294/b, 41126 Modena, Italy
| | - Sheraz Gul
- Fraunhofer
Translational Medicine and Pharmacology, Schnackenburgallee 114, D-22525 Hamburg, Germany
- Fraunhofer Cluster of Excellence Immune-Mediated Diseases
CIMD, Schnackenburgallee
114, D-22525 Hamburg, Germany
| | - Maria Kuzikov
- Fraunhofer
Translational Medicine and Pharmacology, Schnackenburgallee 114, D-22525 Hamburg, Germany
- Fraunhofer Cluster of Excellence Immune-Mediated Diseases
CIMD, Schnackenburgallee
114, D-22525 Hamburg, Germany
| | - Bernhard Ellinger
- Fraunhofer
Translational Medicine and Pharmacology, Schnackenburgallee 114, D-22525 Hamburg, Germany
- Fraunhofer Cluster of Excellence Immune-Mediated Diseases
CIMD, Schnackenburgallee
114, D-22525 Hamburg, Germany
| | - Jeanette Reinshagen
- Fraunhofer
Translational Medicine and Pharmacology, Schnackenburgallee 114, D-22525 Hamburg, Germany
- Fraunhofer Cluster of Excellence Immune-Mediated Diseases
CIMD, Schnackenburgallee
114, D-22525 Hamburg, Germany
| | - Sean Ekins
- Collaborations
Pharmaceuticals, Inc., 840 Main Campus Drive, Lab 3510, Raleigh, North Carolina 27606, United States
| | - Maria Paola Costi
- Department
of Life Sciences, University of Modena and
Reggio Emilia, Via Campi 103, 41125 Modena, Italy
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8
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Marc G, Stana A, Tertiş M, Cristea C, Ciorîţă A, Drăgan ȘM, Toma VA, Borlan R, Focșan M, Pîrnău A, Vlase L, Oniga S, Oniga O. Discovery of New Hydrazone-Thiazole Polyphenolic Antioxidants through Computer-Aided Design and In Vitro Experimental Validation. Int J Mol Sci 2023; 24:13277. [PMID: 37686082 PMCID: PMC10487687 DOI: 10.3390/ijms241713277] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 08/12/2023] [Accepted: 08/24/2023] [Indexed: 09/10/2023] Open
Abstract
Oxidative stress is linked to a series of diseases; therefore, the development of efficient antioxidants might be beneficial in preventing or ameliorating these conditions. Based on the structure of a previously reported compound with good antioxidant properties and on computational studies, we designed several catechol derivatives with enhanced antioxidant potential. The compounds were synthesized and physicochemically characterized, and their antioxidant activity was assessed through different antiradical, electron transfer and metal ions chelation assays, their electrochemical behavior and cytotoxicity were studied. The results obtained in the in vitro experiments correlated very well with the in silico studies; all final compounds presented very good antioxidant properties, generally superior to those of the reference compounds used. Similarly, the results obtained from studying the compounds' electrochemical behavior were in good agreement with the results of the antioxidant activity evaluation assays. Regarding the compounds' cytotoxicity, compound 7b had a dose-dependent inhibitory effect against all cell lines. In conclusion, through computer-aided design, we developed several catechol thiazolyl-hydrazones with excellent antioxidant properties, of which compound 7b, with two catechol moieties in its structure, exhibited the best antioxidant activity.
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Affiliation(s)
- Gabriel Marc
- Department of Pharmaceutical Chemistry, “Iuliu Hațieganu” University of Medicine and Pharmacy, 41 Victor Babeș Street, RO-400012 Cluj-Napoca, Romania; (G.M.); (O.O.)
| | - Anca Stana
- Department of Pharmaceutical Chemistry, “Iuliu Hațieganu” University of Medicine and Pharmacy, 41 Victor Babeș Street, RO-400012 Cluj-Napoca, Romania; (G.M.); (O.O.)
| | - Mihaela Tertiş
- Department of Analytical Chemistry, Faculty of Pharmacy, “Iuliu Haţieganu” University of Medicine and Pharmacy, 4 Louis Pasteur Street, RO-400349 Cluj-Napoca, Romania; (M.T.); (C.C.)
| | - Cecilia Cristea
- Department of Analytical Chemistry, Faculty of Pharmacy, “Iuliu Haţieganu” University of Medicine and Pharmacy, 4 Louis Pasteur Street, RO-400349 Cluj-Napoca, Romania; (M.T.); (C.C.)
| | - Alexandra Ciorîţă
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donath Street, RO-400293 Cluj-Napoca, Romania; (A.C.); (A.P.)
| | - Ștefan-Mihai Drăgan
- Department of Molecular Biology and Biotechnology, Faculty of Biology and Geology, Babeș-Bolyai University, Clinicilor Street No. 4-7, RO-400006 Cluj-Napoca, Romania; (Ș.-M.D.); (V.-A.T.)
| | - Vlad-Alexandru Toma
- Department of Molecular Biology and Biotechnology, Faculty of Biology and Geology, Babeș-Bolyai University, Clinicilor Street No. 4-7, RO-400006 Cluj-Napoca, Romania; (Ș.-M.D.); (V.-A.T.)
- Institute of Biological Research, Republicii Street No. 48, Branch of NIRDBS Bucharest, RO-400015 Cluj-Napoca, Romania
| | - Raluca Borlan
- Nanobiophotonics and Laser Microspectroscopy Centre, Interdisciplinary Research Institute in Bio-Nano-Sciences, Babeș-Bolyai University, RO-400084 Cluj-Napoca, Romania; (R.B.); (M.F.)
| | - Monica Focșan
- Nanobiophotonics and Laser Microspectroscopy Centre, Interdisciplinary Research Institute in Bio-Nano-Sciences, Babeș-Bolyai University, RO-400084 Cluj-Napoca, Romania; (R.B.); (M.F.)
| | - Adrian Pîrnău
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donath Street, RO-400293 Cluj-Napoca, Romania; (A.C.); (A.P.)
| | - Laurian Vlase
- Department of Pharmaceutical Technology and Biopharmaceutics, “Iuliu Hațieganu” University of Medicine and Pharmacy, 41 Victor Babeș Street, RO-400012 Cluj-Napoca, Romania;
| | - Smaranda Oniga
- Department of Therapeutic Chemistry, “Iuliu Hațieganu” University of Medicine and Pharmacy, 12 Ion Creangă Street, RO-400010 Cluj-Napoca, Romania;
| | - Ovidiu Oniga
- Department of Pharmaceutical Chemistry, “Iuliu Hațieganu” University of Medicine and Pharmacy, 41 Victor Babeș Street, RO-400012 Cluj-Napoca, Romania; (G.M.); (O.O.)
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9
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Henriquez-Figuereo A, Morán-Serradilla C, Angulo-Elizari E, Sanmartín C, Plano D. Small molecules containing chalcogen elements (S, Se, Te) as new warhead to fight neglected tropical diseases. Eur J Med Chem 2023; 246:115002. [PMID: 36493616 DOI: 10.1016/j.ejmech.2022.115002] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 11/21/2022] [Accepted: 12/01/2022] [Indexed: 12/13/2022]
Abstract
Neglected tropical diseases (NTDs) encompass a group of infectious diseases with a protozoan etiology, high incidence, and prevalence in developing countries. As a result, economic factors constitute one of the main obstacles to their management. Endemic countries have high levels of poverty, deprivation and marginalization which affect patients and limit their access to proper medical care. As a matter of fact, statistics remain uncollected in some affected areas due to non-reporting cases. World Health Organization and other organizations proposed a plan for the eradication and control of the vector, although many of these plans were halted by the COVID-19 pandemic. Despite of the available drugs to treat these pathologies, it exists a lack of effectiveness against several parasite strains. Treatment protocols for diseases such as American trypanosomiasis (Chagas disease), leishmaniasis, and human African trypanosomiasis (HAT) have not achieved the desired results. Unfortunately, these drugs present limitations such as side effects, toxicity, teratogenicity, renal, and hepatic impairment, as well as high costs that have hindered the control and eradication of these diseases. This review focuses on the analysis of a collection of scientific shreds of evidence with the aim of identifying novel chalcogen-derived molecules with biological activity against Chagas disease, leishmaniasis and HAT. Compounds illustrated in each figure share the distinction of containing at least one chalcogen element. Sulfur (S), selenium (Se), and tellurium (Te) have been grouped and analyzed in accordance with their design strategy, chemical synthesis process and biological activity. After an exhaustive revision of the related literature on S, Se, and Te compounds, 183 compounds presenting excellent biological performance were gathered against the different causative agents of CD, leishmaniasis and HAT.
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Affiliation(s)
- Andreina Henriquez-Figuereo
- University of Navarra, School of Pharmacy and Nutrition, Department of Pharmaceutical Technology and Chemistry, Irunlarrea 1, 31008, Pamplona, Spain; Institute of Tropical Health, University of Navarra, Irunlarrea 1, 31008, Pamplona, Spain.
| | - Cristina Morán-Serradilla
- University of Navarra, School of Pharmacy and Nutrition, Department of Pharmaceutical Technology and Chemistry, Irunlarrea 1, 31008, Pamplona, Spain
| | - Eduardo Angulo-Elizari
- University of Navarra, School of Pharmacy and Nutrition, Department of Pharmaceutical Technology and Chemistry, Irunlarrea 1, 31008, Pamplona, Spain
| | - Carmen Sanmartín
- University of Navarra, School of Pharmacy and Nutrition, Department of Pharmaceutical Technology and Chemistry, Irunlarrea 1, 31008, Pamplona, Spain; Institute of Tropical Health, University of Navarra, Irunlarrea 1, 31008, Pamplona, Spain.
| | - Daniel Plano
- University of Navarra, School of Pharmacy and Nutrition, Department of Pharmaceutical Technology and Chemistry, Irunlarrea 1, 31008, Pamplona, Spain; Institute of Tropical Health, University of Navarra, Irunlarrea 1, 31008, Pamplona, Spain.
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10
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From rational design to serendipity: Discovery of novel thiosemicarbazones as potent trypanocidal compounds. Eur J Med Chem 2022; 244:114876. [DOI: 10.1016/j.ejmech.2022.114876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 10/04/2022] [Accepted: 10/20/2022] [Indexed: 11/24/2022]
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11
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Antioxidant Activity Evaluation and Assessment of the Binding Affinity to HSA of a New Catechol Hydrazinyl-Thiazole Derivative. Antioxidants (Basel) 2022; 11:antiox11071245. [PMID: 35883736 PMCID: PMC9312188 DOI: 10.3390/antiox11071245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 06/17/2022] [Accepted: 06/21/2022] [Indexed: 02/04/2023] Open
Abstract
Polyphenols have attained pronounced attention due to their ability to provide numerous health benefits and prevent several chronic diseases. In this study, we designed, synthesized and analyzed a water-soluble molecule presenting a good antioxidant activity, namely catechol hydrazinyl-thiazole (CHT). This molecule contains 3′,4′-dihydroxyphenyl and 2-hydrazinyl-4-methyl-thiazole moieties linked through a hydrazone group with very good antioxidant activity in the in vitro evaluations performed. A preliminary validation of the CHT developing hypothesis was performed evaluating in silico the bond dissociation enthalpy (BDE) of the phenol O-H bonds, compared to our previous findings in the compounds previously reported by our group. In this paper, we report the binding mechanism of CHT to human serum albumin (HSA) using biophysical methods in combination with computational studies. ITC experiments reveal that the dominant forces in the binding mechanism are involved in the hydrogen bond or van der Waals interactions and that the binding was an enthalpy-driven process. NMR relaxation measurements were applied to study the CHT–protein interaction by changing the drug concentration in the solution. A molecular docking study added an additional insight to the experimental ITC and NMR analysis regarding the binding conformation of CHT to HSA.
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12
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Evaluation of Toxicity and Oxidative Stress of 2-Acetylpyridine-N(4)-orthochlorophenyl Thiosemicarbazone. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:4101095. [PMID: 35345833 PMCID: PMC8957429 DOI: 10.1155/2022/4101095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 01/13/2022] [Accepted: 02/03/2022] [Indexed: 11/18/2022]
Abstract
Thiosemicarbazones are well known for their broad spectrum of action, including antitumoral and antiparasitic activities. Thiosemicarbazones work as chelating binders, reacting with metal ions. The objective of this work was to investigate the in silico, in vitro, and in vivo toxicity and oxidative stress of 2-acetylpyridine-N(4)-orthochlorophenyl thiosemicarbazone (TSC01). The in silico prediction showed good absorption by biological membranes and no theoretical toxicity. Also, the compound did not show cytotoxicity against Hep-G2 and HT-29 cells. In the acute nonclinical toxicological test, the animals treated with TSC01 showed behavioral changes of stimulus of the central nervous system (CNS) at 300 mg/kg. One hour after administration, a dose of 2000 mg/kg caused depressive signs. All changes disappeared after 24 h, with no deaths, which suggest an estimated LD50 of 5000 mg/kg and GSH 5. The group treated with 2000 mg/kg had an increase of water consumption and weight gain in the second week. The biochemical parameters presented no toxicity relevance, and the analysis of oxidative stress in the liver found an increase of lipid peroxidation and nitric oxide. However, histopathological analysis showed organ integrity was maintained without any changes. In conclusion, the results show the low toxicological potential of thiosemicarbazone derivative, indicating future safe use.
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13
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Liu CX, Zhao X, Wang L, Yang ZC. Quinoline derivatives as potential anti-tubercular agents: Synthesis, molecular docking and mechanism of action. Microb Pathog 2022; 165:105507. [DOI: 10.1016/j.micpath.2022.105507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Revised: 02/27/2022] [Accepted: 03/26/2022] [Indexed: 10/18/2022]
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14
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Khan AA, Ahmad R, Alanazi AM, Alsaif N, Abdullah M, Wani TA, Bhat MA. Determination of anticancer potential of a novel pharmacologically active thiosemicarbazone derivative in colorectal cancer cell lines. Saudi Pharm J 2022; 30:815-824. [PMID: 35812146 PMCID: PMC9257852 DOI: 10.1016/j.jsps.2022.03.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 03/18/2022] [Indexed: 12/16/2022] Open
Abstract
Thiosemicarbazones have received noteworthy attention due to their numerous pharmacological activities. Various thiosemicarbazone derivatives have been reported to play a key role as potential chemotherapeutic agents for the management of cancer. Herein, we aimed to establish the anticancer efficacy of novel thiosemicarbazone derivative C4 against colon cancer in vitro. The MTT viability assay identified C4 as a promising anticancer compound in a panel of cancer cell lines with the most potent activity against colon cancer cells. Further, anticancer potential of C4 was evaluated against HT-29 and SW620 colon cancer cell lines considering the factors like cell adhesion and migration, oxidative stress, cell cycle arrest, and apoptosis. Our results showed that C4 significantly inhibited the migration and adhesion of colon cancer cells. C4 significantly increased the intracellular reactive oxygen species (ROS) and induced apoptotic cell death. Cell cycle analysis revealed that C4 interfered in the cell cycle distribution and arrested the cells at the G2/M phase of the cell cycle. Consistent with these results C4 also down-regulated the Bcl-XL and Bcl-2 and up-regulated the caspase-3 expression. These findings introduced C4 as the potential anticancer agent against colon cancer.
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Affiliation(s)
- Azmat Ali Khan
- Pharmaceutical Biotechnology Laboratory, Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, P.O. Box 2457, Saudi Arabia
- Corresponding authors.
| | - Rehan Ahmad
- Colorectal Research Chair, Department of Surgery, College of Medicine, King Saud University, Riyadh 11451, P.O. Box 2457, Saudi Arabia
- Corresponding authors.
| | - Amer M. Alanazi
- Pharmaceutical Biotechnology Laboratory, Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, P.O. Box 2457, Saudi Arabia
| | - Nawaf Alsaif
- Pharmaceutical Biotechnology Laboratory, Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, P.O. Box 2457, Saudi Arabia
| | - Maha Abdullah
- Colorectal Research Chair, Department of Surgery, College of Medicine, King Saud University, Riyadh 11451, P.O. Box 2457, Saudi Arabia
| | - Tanveer A. Wani
- Pharmaceutical Biotechnology Laboratory, Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, P.O. Box 2457, Saudi Arabia
| | - Mashooq A. Bhat
- Pharmaceutical Biotechnology Laboratory, Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, P.O. Box 2457, Saudi Arabia
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15
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Gupta S, Singh N, Khan T, Joshi S. Thiosemicarbazone derivatives of transition metals as multi-target drugs: A review. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100459] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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16
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de Oliveira RG, Cruz LR, Mollo MC, Dias LC, Kratz JM. Chagas Disease Drug Discovery in Latin America-A Mini Review of Antiparasitic Agents Explored Between 2010 and 2021. Front Chem 2021; 9:771143. [PMID: 34778217 PMCID: PMC8581468 DOI: 10.3389/fchem.2021.771143] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Accepted: 10/15/2021] [Indexed: 11/13/2022] Open
Abstract
Chagas disease is a neglected tropical disease caused by the protozoan parasite Trypanosoma cruzi that endangers almost 70 million people worldwide. The only two drugs that are currently approved for its treatment, benznidazole and nifurtimox, have controversial efficacy in adults and restricting safety issues, leaving thousands of patients without a suitable treatment. The neglect of Chagas disease is further illustrated by the lack of a robust and diverse drug discovery and development portfolio of new chemical entities, and it is of paramount importance to build a strong research and development network for antichagasic drugs. Focusing on drug discovery programs led by scientists based in Latin America, the main endemic region for this disease, we discuss herein what has been published in the last decade in terms of identification of new antiparasitic drugs to treat Chagas disease, shining a spotlight on the origin, chemical diversity, level of characterization of hits, and strategies used for optimization of lead compounds. Finally, we identify strengths and weaknesses in these drug discovery campaigns and highlight the importance of multidisciplinary collaboration and knowledge sharing.
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Affiliation(s)
- Ramon G. de Oliveira
- Laboratory of Synthetic Organic Chemistry, Institute of Chemistry, University of Campinas (UNICAMP), Campinas, Brazil
| | - Luiza R. Cruz
- Laboratory of Synthetic Organic Chemistry, Institute of Chemistry, University of Campinas (UNICAMP), Campinas, Brazil
| | - María C. Mollo
- Laboratory of Synthetic Organic Chemistry, Institute of Chemistry, University of Campinas (UNICAMP), Campinas, Brazil
| | - Luiz C. Dias
- Laboratory of Synthetic Organic Chemistry, Institute of Chemistry, University of Campinas (UNICAMP), Campinas, Brazil
| | - Jadel M. Kratz
- Drugs for Neglected Diseases Initiative (DNDi) Latin America, Rio de Janeiro, Brazil
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17
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In vitro anti-Trypanosoma cruzi activity enhancement of curcumin by its monoketone tetramethoxy analog diveratralacetone. CURRENT RESEARCH IN PARASITOLOGY & VECTOR-BORNE DISEASES 2021; 1:100031. [PMID: 35284878 PMCID: PMC8906099 DOI: 10.1016/j.crpvbd.2021.100031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 05/12/2021] [Accepted: 05/19/2021] [Indexed: 11/27/2022]
Abstract
Chagas disease is a tropical disease caused by the protozoan parasite Trypanosoma cruzi and currently affects millions of people worldwide. Curcumin (CUR), the major constituent of turmeric spice (dry powder of Curcuma longa L. plant rhizomes and roots), exhibits antiparasitic activity against protozoan parasites in vitro. However, because of its chemical instability, poor cellular uptake and limited bioavailability it is not suitable for clinical use. The objective of this study was to synthesize and evaluate in vitro CUR monoketone analog dibenzalacetone (DBA 1) and its non-phenolic, methoxy (2–4) and chloro (5) derivatives for better stability and bioavailability against T. cruzi. Diveratralacetone, the tetramethoxy DBA (DBA 3), was found to be the CUR analog with most enhanced activity against the amastigote forms of four strains of T. cruzi tested (Brazil, CA-I/72, Sylvio X10/4 and Sylvio X10/7) with 50% inhibitory concentration (IC50) < 10 μM (1.51–9.63 μM) and selectivity index (SI) > 10 (C2C12 non-infected mammalian cells). This was supplemented by time-course assessment of its anti-T. cruzi activity. DBA 1 and its dimethoxy (DBA 2) and hexamethoxy (DBA 4) derivatives were substantially less active. The inactivity of dichloro-DBA (DBA 5) was indicative of the important role played by oxygenated groups such as methoxy in the terminal aromatic rings in the DBA molecule, particularly at para position to form reactive oxygen species essential for anti-T. cruzi activity. Although the DBAs and CUR were toxic to infected mammalian cells in vitro, in a mouse model, both DBA 3 and CUR did not exhibit acute toxicity or mortality. These results justify further optimization and in vivo anti-T. cruzi activity evaluation of the inexpensive diveratralacetone for its potential use in treating Chagas disease, a neglected parasitic disease in economically challenged tropical countries. First report on in vitro activity of dibenzalacetone and its methoxy derivatives against Trypanosoma cruzi. Diveratralacetone (tetramethoxy DBA 3) was the most active against four strains tested. DBA 3 showed values of IC50 < 10 μM against all strains evaluated. DBA 3 showed SI > 10 in non-infected C2C12 cell lines. DBA 3 is a hit compound for further in vivo studies against T. cruzi parasites.
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18
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Levine DS, Watson MA, Jacobson LD, Dickerson CE, Yu HS, Bochevarov AD. Pattern-free generation and quantum mechanical scoring of ring-chain tautomers. J Comput Aided Mol Des 2020; 35:417-431. [PMID: 32830300 DOI: 10.1007/s10822-020-00334-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Accepted: 07/21/2020] [Indexed: 11/24/2022]
Abstract
In contrast to the computational generation of conventional tautomers, the analogous operation that would produce ring-chain tautomers is rarely available in cheminformatics codes. This is partly due to the perceived unimportance of ring-chain tautomerism and partly because specialized algorithms are required to realize the non-local proton transfers that occur during ring-chain rearrangement. Nevertheless, for some types of organic compounds, including sugars, warfarin analogs, fluorescein dyes and some drug-like compounds, ring-chain tautomerism cannot be ignored. In this work, a novel ring-chain tautomer generation algorithm is presented. It differs from previously proposed solutions in that it does not rely on hard-coded patterns of proton migrations and bond rearrangements, and should therefore be more general and maintainable. We deploy this algorithm as part of a workflow which provides an automated solution for tautomer generation and scoring. The workflow identifies protonatable and deprotonatable sites in the molecule using a previously described approach based on rapid micro-pKa prediction. These data are used to distribute the active protons among the protonatable sites exhaustively, at which point alternate resonance structures are considered to obtain pairs of atoms with opposite formal charge. These pairs are connected with a single bond and a 3D undistorted geometry is generated. The scoring of the generated tautomers is performed with a subsequent density functional theory calculation employing an implicit solvent model. We demonstrate the performance of our workflow on several types of organic molecules known to exist in ring-chain tautomeric equilibria in solution. In particular, we show that some ring-chain tautomers not found using previously published algorithms are successfully located by ours.
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Affiliation(s)
- Daniel S Levine
- Schrödinger, Inc., 120 West 45th St, New York, NY, 10036, USA
| | - Mark A Watson
- Schrödinger, Inc., 120 West 45th St, New York, NY, 10036, USA
| | - Leif D Jacobson
- Schrödinger, Inc., 120 West 45th St, New York, NY, 10036, USA.,Schrödinger, Inc., Suite 1300, 101 SW Main Street, Portland, OR, 97204, USA
| | - Claire E Dickerson
- Schrödinger, Inc., 120 West 45th St, New York, NY, 10036, USA.,College of Chemistry & Biochemistry, University of California, Los Angeles, CA, 90095, USA
| | - Haoyu S Yu
- Schrödinger, Inc., 120 West 45th St, New York, NY, 10036, USA
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19
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Moraes CB, Witt G, Kuzikov M, Ellinger B, Calogeropoulou T, Prousis KC, Mangani S, Di Pisa F, Landi G, Iacono LD, Pozzi C, Freitas-Junior LH, Dos Santos Pascoalino B, Bertolacini CP, Behrens B, Keminer O, Leu J, Wolf M, Reinshagen J, Cordeiro-da-Silva A, Santarem N, Venturelli A, Wrigley S, Karunakaran D, Kebede B, Pöhner I, Müller W, Panecka-Hofman J, Wade RC, Fenske M, Clos J, Alunda JM, Corral MJ, Uliassi E, Bolognesi ML, Linciano P, Quotadamo A, Ferrari S, Santucci M, Borsari C, Costi MP, Gul S. Accelerating Drug Discovery Efforts for Trypanosomatidic Infections Using an Integrated Transnational Academic Drug Discovery Platform. SLAS DISCOVERY 2020; 24:346-361. [PMID: 30784368 PMCID: PMC6484532 DOI: 10.1177/2472555218823171] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
According to the World Health Organization, more than 1 billion people are at risk of or are affected by neglected tropical diseases. Examples of such diseases include trypanosomiasis, which causes sleeping sickness; leishmaniasis; and Chagas disease, all of which are prevalent in Africa, South America, and India. Our aim within the New Medicines for Trypanosomatidic Infections project was to use (1) synthetic and natural product libraries, (2) screening, and (3) a preclinical absorption, distribution, metabolism, and excretion-toxicity (ADME-Tox) profiling platform to identify compounds that can enter the trypanosomatidic drug discovery value chain. The synthetic compound libraries originated from multiple scaffolds with known antiparasitic activity and natural products from the Hypha Discovery MycoDiverse natural products library. Our focus was first to employ target-based screening to identify inhibitors of the protozoan Trypanosoma brucei pteridine reductase 1 ( TbPTR1) and second to use a Trypanosoma brucei phenotypic assay that made use of the T. brucei brucei parasite to identify compounds that inhibited cell growth and caused death. Some of the compounds underwent structure-activity relationship expansion and, when appropriate, were evaluated in a preclinical ADME-Tox assay panel. This preclinical platform has led to the identification of lead-like compounds as well as validated hits in the trypanosomatidic drug discovery value chain.
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Affiliation(s)
- Carolina B Moraes
- 1 Laboratório Nacional de Biociências (LNBio), Centro de Pesquisa em Energia e Materiais (CNPEM), Campinas-SP, Brazil.,2 Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo-SP, Brazil
| | - Gesa Witt
- 3 Fraunhofer Institute for Molecular Biology and Applied Ecology-ScreeningPort, Hamburg, Germany
| | - Maria Kuzikov
- 3 Fraunhofer Institute for Molecular Biology and Applied Ecology-ScreeningPort, Hamburg, Germany
| | - Bernhard Ellinger
- 3 Fraunhofer Institute for Molecular Biology and Applied Ecology-ScreeningPort, Hamburg, Germany
| | - Theodora Calogeropoulou
- 4 National Hellenic Research Foundation, Institute of Biology, Medicinal Chemistry and Biotechnology, Athens, Greece
| | - Kyriakos C Prousis
- 4 National Hellenic Research Foundation, Institute of Biology, Medicinal Chemistry and Biotechnology, Athens, Greece
| | - Stefano Mangani
- 5 Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
| | - Flavio Di Pisa
- 5 Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
| | - Giacomo Landi
- 5 Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
| | - Lucia Dello Iacono
- 5 Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
| | - Cecilia Pozzi
- 5 Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
| | - Lucio H Freitas-Junior
- 1 Laboratório Nacional de Biociências (LNBio), Centro de Pesquisa em Energia e Materiais (CNPEM), Campinas-SP, Brazil.,2 Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo-SP, Brazil
| | - Bruno Dos Santos Pascoalino
- 1 Laboratório Nacional de Biociências (LNBio), Centro de Pesquisa em Energia e Materiais (CNPEM), Campinas-SP, Brazil
| | - Claudia P Bertolacini
- 1 Laboratório Nacional de Biociências (LNBio), Centro de Pesquisa em Energia e Materiais (CNPEM), Campinas-SP, Brazil
| | - Birte Behrens
- 3 Fraunhofer Institute for Molecular Biology and Applied Ecology-ScreeningPort, Hamburg, Germany
| | - Oliver Keminer
- 3 Fraunhofer Institute for Molecular Biology and Applied Ecology-ScreeningPort, Hamburg, Germany
| | - Jennifer Leu
- 3 Fraunhofer Institute for Molecular Biology and Applied Ecology-ScreeningPort, Hamburg, Germany
| | - Markus Wolf
- 3 Fraunhofer Institute for Molecular Biology and Applied Ecology-ScreeningPort, Hamburg, Germany
| | - Jeanette Reinshagen
- 3 Fraunhofer Institute for Molecular Biology and Applied Ecology-ScreeningPort, Hamburg, Germany
| | - Anabela Cordeiro-da-Silva
- 6 Instituto de Investigação e Inovação em Saúde, Universidade do Porto and Institute for Molecular and Cell Biology, Porto, Portugal
| | - Nuno Santarem
- 6 Instituto de Investigação e Inovação em Saúde, Universidade do Porto and Institute for Molecular and Cell Biology, Porto, Portugal
| | | | | | | | | | - Ina Pöhner
- 9 Molecular and Cellular Modeling Group, Heidelberg Institute for Theoretical Studies, Heidelberg, Germany
| | - Wolfgang Müller
- 9 Molecular and Cellular Modeling Group, Heidelberg Institute for Theoretical Studies, Heidelberg, Germany
| | - Joanna Panecka-Hofman
- 9 Molecular and Cellular Modeling Group, Heidelberg Institute for Theoretical Studies, Heidelberg, Germany.,11 Faculty of Physics, University of Warsaw, Warsaw, Poland
| | - Rebecca C Wade
- 9 Molecular and Cellular Modeling Group, Heidelberg Institute for Theoretical Studies, Heidelberg, Germany.,12 Center for Molecular Biology (ZMBH), DKFZ-ZMBH Alliance, Heidelberg University, Heidelberg, Germany.,13 Interdisciplinary Center for Scientific Computing (IWR), Heidelberg University, Heidelberg, Germany
| | - Martina Fenske
- 14 Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Aachen, Germany
| | - Joachim Clos
- 15 Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany
| | | | | | - Elisa Uliassi
- 17 Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
| | | | - Pasquale Linciano
- 18 Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Antonio Quotadamo
- 18 Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Stefania Ferrari
- 18 Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Matteo Santucci
- 18 Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Chiara Borsari
- 18 Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Maria Paola Costi
- 18 Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Sheraz Gul
- 3 Fraunhofer Institute for Molecular Biology and Applied Ecology-ScreeningPort, Hamburg, Germany
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20
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Süleymanoğlu M, Erdem-Kuruca S, Bal-Demirci T, Özdemir N, Ülküseven B, Yaylım İ. Synthesis, structural, cytotoxic and pharmacokinetic evaluation of some thiosemicarbazone derivatives. J Biochem Mol Toxicol 2020; 34:e22512. [PMID: 32314849 DOI: 10.1002/jbt.22512] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 03/08/2020] [Accepted: 03/26/2020] [Indexed: 12/31/2022]
Abstract
Iron(III) and nickel(II) complexes bearing a thiosemicarbazone framework were synthesized by a one-pot synthesis method. The structures were characterized by elemental analysis, IR, 1 H NMR, APCI Mass, conductivity, magnetic moment measurements. Molecular and crystal structures of the iron(III) complex were obtained from single-crystal X-ray diffraction. The findings showed that the metal atom adopts a slightly distorted square-pyramidal coordination, with the four donor atoms of the thiosemicarbazone ligand defining the basal plane and a chloride atom occupying the apical position. In the crystal lattice, the structure is stabilized by intermolecular O─H···O and C─H···O interactions. The cytotoxic activity was studied by MTT assay, the expression levels of cytochrome P450 (CYP) enzymes by Western blot, and the lipophilicity (LogP) by using the shake-flask method, another pharmacokinetic parameter. The findings showed that the IC50 values decreased with the decrease of the LogP values of the substances. Cytochrome P450 expression levels were found specific for each compound and each cell line. As a result, the pharmacokinetic properties of the newly synthesized thiosemicarbazone compounds are crucial for oral administration and provide us with clues for prospective in vivo studies.
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Affiliation(s)
- Mediha Süleymanoğlu
- Department of Medical Biology, Istanbul Faculty of Medicine, Istanbul University, Çapa, Istanbul, Turkey
| | - Serap Erdem-Kuruca
- Department of Physiology, Istanbul Faculty of Medicine, Istanbul University, Çapa, Istanbul, Turkey
| | - Tülay Bal-Demirci
- Department of Chemistry, Engineering Faculty, Istanbul University-Cerrahpasa, Avcilar, Istanbul, Turkey
| | - Namık Özdemir
- Department of Mathematics and Science Education, Faculty of Education, Ondokuz Mayıs University, Samsun, Turkey
| | - Bahri Ülküseven
- Department of Chemistry, Engineering Faculty, Istanbul University-Cerrahpasa, Avcilar, Istanbul, Turkey
| | - İlhan Yaylım
- Department of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Çapa, Istanbul, Turkey
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21
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Ramachandran E, Gandin V, Bertani R, Sgarbossa P, Natarajan K, Bhuvanesh NSP, Venzo A, Zoleo A, Mozzon M, Dolmella A, Albinati A, Castellano C, Reis Conceição N, C. Guedes da Silva MF, Marzano C. Synthesis, Characterization and Biological Activity of Novel Cu(II) Complexes of 6-Methyl-2-Oxo-1,2-Dihydroquinoline-3-Carbaldehyde-4n-Substituted Thiosemicarbazones. Molecules 2020; 25:E1868. [PMID: 32316698 PMCID: PMC7221752 DOI: 10.3390/molecules25081868] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 04/11/2020] [Accepted: 04/13/2020] [Indexed: 02/06/2023] Open
Abstract
Three new 6-methyl-2-oxo-1,2-dihydroquinoline-3-carbaldehyde-thiosemicarbazones-N-4-substituted pro-ligands and their Cu(II) complexes (1, -NH2; 2, -NHMe; 3, -NHEt) have been prepared and characterized. In both the X-ray structures of 1 and 3, two crystallographically independent complex molecules were found that differ either in the nature of weakly metal-binding species (water in 1a and nitrate in 1b) or in the co-ligand (water in 3a and methanol in 3b). Electron Paramagnetic Resonance (EPR) measurements carried out on complexes 1 and 3 confirmed the presence of such different species in the solution. The electrochemical behavior of the pro-ligands and of the complexes was investigated, as well as their biological activity. Complexes 2 and 3 exhibited a high cytotoxicity against human tumor cells and 3D spheroids derived from solid tumors, related to the high cellular uptake. Complexes 2 and 3 also showed a high selectivity towards cancerous cell lines with respect to non-cancerous cell lines and were able to circumvent cisplatin resistance. Via the Transmission Electron Microscopy (TEM) imaging technique, preliminary insights into the biological activity of copper complexes were obtained.
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Affiliation(s)
- Eswaran Ramachandran
- Department of Industrial Engineering, University of Padova, 35131 Padova, Italy; (E.R.); (R.B.); (M.M.)
- Chemistry Research Center, National Engineering College, K. R. Nagar, Kovilpatti, Tamilnadu 628503, India
| | - Valentina Gandin
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35131 Padova, Italy; (V.G.); (A.D.); (C.M.)
| | - Roberta Bertani
- Department of Industrial Engineering, University of Padova, 35131 Padova, Italy; (E.R.); (R.B.); (M.M.)
| | - Paolo Sgarbossa
- Department of Industrial Engineering, University of Padova, 35131 Padova, Italy; (E.R.); (R.B.); (M.M.)
| | - Karuppannan Natarajan
- Department of Chemistry, Sri Ramakrishna Mission Vidyalaya College of Arts and Science, Coimbatore, Tamil Nadu 641020, India
| | | | - Alfonso Venzo
- Department of Chemical Sciences, University of Padova, 35131 Padova, Italy; (A.V.); (A.Z.)
| | - Alfonso Zoleo
- Department of Chemical Sciences, University of Padova, 35131 Padova, Italy; (A.V.); (A.Z.)
| | - Mirto Mozzon
- Department of Industrial Engineering, University of Padova, 35131 Padova, Italy; (E.R.); (R.B.); (M.M.)
| | - Alessandro Dolmella
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35131 Padova, Italy; (V.G.); (A.D.); (C.M.)
| | - Alberto Albinati
- Department of Chemistry, University of Milan, 20133 Milan, Italy; (A.A.); (C.C.)
| | - Carlo Castellano
- Department of Chemistry, University of Milan, 20133 Milan, Italy; (A.A.); (C.C.)
| | - Nuno Reis Conceição
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal; (N.R.C.); (M.F.C.G.d.S.)
| | - M. Fátima C. Guedes da Silva
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal; (N.R.C.); (M.F.C.G.d.S.)
| | - Cristina Marzano
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35131 Padova, Italy; (V.G.); (A.D.); (C.M.)
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22
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Linciano P, Cullia G, Borsari C, Santucci M, Ferrari S, Witt G, Gul S, Kuzikov M, Ellinger B, Santarém N, Cordeiro da Silva A, Conti P, Bolognesi ML, Roberti M, Prati F, Bartoccini F, Retini M, Piersanti G, Cavalli A, Goldoni L, Bertozzi SM, Bertozzi F, Brambilla E, Rizzo V, Piomelli D, Pinto A, Bandiera T, Costi MP. Identification of a 2,4-diaminopyrimidine scaffold targeting Trypanosoma brucei pteridine reductase 1 from the LIBRA compound library screening campaign. Eur J Med Chem 2020; 189:112047. [PMID: 31982652 DOI: 10.1016/j.ejmech.2020.112047] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 12/31/2019] [Accepted: 01/06/2020] [Indexed: 12/21/2022]
Abstract
The LIBRA compound library is a collection of 522 non-commercial molecules contributed by various Italian academic laboratories. These compounds have been designed and synthesized during different medicinal chemistry programs and are hosted by the Italian Institute of Technology. We report the screening of the LIBRA compound library against Trypanosoma brucei and Leishmania major pteridine reductase 1, TbPTR1 and LmPTR1. Nine compounds were active against parasitic PTR1 and were selected for cell-based parasite screening, as single agents and in combination with methotrexate (MTX). The most interesting TbPTR1 inhibitor identified was 4-(benzyloxy)pyrimidine-2,6-diamine (LIB_66). Subsequently, six new LIB_66 derivatives were synthesized to explore its Structure-Activity-Relationship (SAR) and absorption, distribution, metabolism, excretion and toxicity (ADMET) properties. The results indicate that PTR1 has a preference to bind inhibitors, which resemble its biopterin/folic acid substrates, such as the 2,4-diaminopyrimidine derivatives.
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Affiliation(s)
- Pasquale Linciano
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Campi 103, 41125, Modena, Italy
| | - Gregorio Cullia
- Department of Pharmaceutical Sciences, University of Milan, Via Mangiagalli 25, 20133, Milan, Italy
| | - Chiara Borsari
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Campi 103, 41125, Modena, Italy
| | - Matteo Santucci
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Campi 103, 41125, Modena, Italy
| | - Stefania Ferrari
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Campi 103, 41125, Modena, Italy
| | - Gesa Witt
- Fraunhofer Institute for Molecular Biology and Applied Ecology - ScreeningPort, Hamburg, Germany
| | - Sheraz Gul
- Fraunhofer Institute for Molecular Biology and Applied Ecology - ScreeningPort, Hamburg, Germany
| | - Maria Kuzikov
- Fraunhofer Institute for Molecular Biology and Applied Ecology - ScreeningPort, Hamburg, Germany
| | - Bernhard Ellinger
- Fraunhofer Institute for Molecular Biology and Applied Ecology - ScreeningPort, Hamburg, Germany
| | - Nuno Santarém
- Institute for Molecular and Cell Biology, 4150-180 Porto, Portugal and Instituto de Investigação e Inovação Em Saúde, Universidade Do Porto, 4150-180, Porto, Portugal
| | - Anabela Cordeiro da Silva
- Institute for Molecular and Cell Biology, 4150-180 Porto, Portugal and Instituto de Investigação e Inovação Em Saúde, Universidade Do Porto, 4150-180, Porto, Portugal; Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Portugal
| | - Paola Conti
- Department of Pharmaceutical Sciences, University of Milan, Via Mangiagalli 25, 20133, Milan, Italy
| | - Maria Laura Bolognesi
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, I-40126, Bologna, Italy
| | - Marinella Roberti
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, I-40126, Bologna, Italy
| | - Federica Prati
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, I-40126, Bologna, Italy
| | - Francesca Bartoccini
- Computational and Chemical Biology, Istituto Italiano di Tecnologia, Via Morego 30, I-16163, Genova, Italy
| | - Michele Retini
- Department of Biomolecular Sciences, Section of Chemistry, University of Urbino "Carlo Bo", Piazza Rinascimento 6, 61029, Urbino, Italy
| | - Giovanni Piersanti
- Department of Biomolecular Sciences, Section of Chemistry, University of Urbino "Carlo Bo", Piazza Rinascimento 6, 61029, Urbino, Italy
| | - Andrea Cavalli
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, I-40126, Bologna, Italy; Computational and Chemical Biology, Istituto Italiano di Tecnologia, Via Morego 30, I-16163, Genova, Italy
| | - Luca Goldoni
- Analytical Chemistry Lab, Istituto Italiano di Tecnologia, Via Morego 30, I-16163, Genova, Italy
| | - Sine Mandrup Bertozzi
- Analytical Chemistry Lab, Istituto Italiano di Tecnologia, Via Morego 30, I-16163, Genova, Italy
| | - Fabio Bertozzi
- PharmaChemistry Line, Istituto Italiano di Tecnologia, Via Morego 30, I-16163, Genova, Italy
| | - Enzo Brambilla
- PharmaChemistry Line, Istituto Italiano di Tecnologia, Via Morego 30, I-16163, Genova, Italy
| | - Vincenzo Rizzo
- PharmaChemistry Line, Istituto Italiano di Tecnologia, Via Morego 30, I-16163, Genova, Italy
| | - Daniele Piomelli
- Departments of Anatomy and Neurobiology, Pharmacology and Biological Chemistry, University of California, Irvine, 92697-4625, USA
| | - Andrea Pinto
- Department of Food, Environmental and Nutritional Sciences, University of Milan, Via Celoria 2, 20133, Milan, Italy
| | - Tiziano Bandiera
- PharmaChemistry Line, Istituto Italiano di Tecnologia, Via Morego 30, I-16163, Genova, Italy
| | - Maria Paola Costi
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Campi 103, 41125, Modena, Italy.
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23
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Halogenated aromatic thiosemicarbazones as potent inhibitors of tyrosinase and melanogenesis. Bioorg Chem 2020; 94:103419. [DOI: 10.1016/j.bioorg.2019.103419] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 10/10/2019] [Accepted: 10/31/2019] [Indexed: 12/15/2022]
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Citti C, Linciano P, Russo F, Luongo L, Iannotta M, Maione S, Laganà A, Capriotti AL, Forni F, Vandelli MA, Gigli G, Cannazza G. A novel phytocannabinoid isolated from Cannabis sativa L. with an in vivo cannabimimetic activity higher than Δ 9-tetrahydrocannabinol: Δ 9-Tetrahydrocannabiphorol. Sci Rep 2019; 9:20335. [PMID: 31889124 PMCID: PMC6937300 DOI: 10.1038/s41598-019-56785-1] [Citation(s) in RCA: 119] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Accepted: 11/29/2019] [Indexed: 12/14/2022] Open
Abstract
(-)-Trans-Δ9-tetrahydrocannabinol (Δ9-THC) is the main compound responsible for the intoxicant activity of Cannabis sativa L. The length of the side alkyl chain influences the biological activity of this cannabinoid. In particular, synthetic analogues of Δ9-THC with a longer side chain have shown cannabimimetic properties far higher than Δ9-THC itself. In the attempt to define the phytocannabinoids profile that characterizes a medicinal cannabis variety, a new phytocannabinoid with the same structure of Δ9-THC but with a seven-term alkyl side chain was identified. The natural compound was isolated and fully characterized and its stereochemical configuration was assigned by match with the same compound obtained by a stereoselective synthesis. This new phytocannabinoid has been called (-)-trans-Δ9-tetrahydrocannabiphorol (Δ9-THCP). Along with Δ9-THCP, the corresponding cannabidiol (CBD) homolog with seven-term side alkyl chain (CBDP) was also isolated and unambiguously identified by match with its synthetic counterpart. The binding activity of Δ9-THCP against human CB1 receptor in vitro (Ki = 1.2 nM) resulted similar to that of CP55940 (Ki = 0.9 nM), a potent full CB1 agonist. In the cannabinoid tetrad pharmacological test, Δ9-THCP induced hypomotility, analgesia, catalepsy and decreased rectal temperature indicating a THC-like cannabimimetic activity. The presence of this new phytocannabinoid could account for the pharmacological properties of some cannabis varieties difficult to explain by the presence of the sole Δ9-THC.
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Affiliation(s)
- Cinzia Citti
- Mediteknology spin-off company of the National Council of Research (CNR), Via Arnesano, 73100, Lecce, Italy
- Institute of Nanotechnology of the National Council of Research (CNR NANOTEC), Via Monteroni, 73100, Lecce, Italy
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Campi 103, 41125, Modena, Italy
| | - Pasquale Linciano
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Campi 103, 41125, Modena, Italy
| | - Fabiana Russo
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Campi 103, 41125, Modena, Italy
| | - Livio Luongo
- Department of Experimental Medicine, Division of Pharmacology, Università della Campania "L. Vanvitelli", Via Santa Maria di Costantinopoli 16, 80138, Naples, Italy
| | - Monica Iannotta
- Department of Experimental Medicine, Division of Pharmacology, Università della Campania "L. Vanvitelli", Via Santa Maria di Costantinopoli 16, 80138, Naples, Italy
| | - Sabatino Maione
- Department of Experimental Medicine, Division of Pharmacology, Università della Campania "L. Vanvitelli", Via Santa Maria di Costantinopoli 16, 80138, Naples, Italy
| | - Aldo Laganà
- Institute of Nanotechnology of the National Council of Research (CNR NANOTEC), Via Monteroni, 73100, Lecce, Italy
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy
| | - Anna Laura Capriotti
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy
| | - Flavio Forni
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Campi 103, 41125, Modena, Italy
| | - Maria Angela Vandelli
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Campi 103, 41125, Modena, Italy
| | - Giuseppe Gigli
- Institute of Nanotechnology of the National Council of Research (CNR NANOTEC), Via Monteroni, 73100, Lecce, Italy
| | - Giuseppe Cannazza
- Institute of Nanotechnology of the National Council of Research (CNR NANOTEC), Via Monteroni, 73100, Lecce, Italy.
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Campi 103, 41125, Modena, Italy.
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Novel indol-3-yl-thiosemicarbazone derivatives: Obtaining, evaluation of in vitro leishmanicidal activity and ultrastructural studies. Chem Biol Interact 2019; 315:108899. [PMID: 31738906 DOI: 10.1016/j.cbi.2019.108899] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Accepted: 11/12/2019] [Indexed: 12/19/2022]
Abstract
Parasitic diseases still represent serious public health problems, since the high and steady emergence of resistant strains is evident. Because parasitic infections are distributed predominantly in developing countries, less toxic, more efficient, safer and more accessible drugs have become desirable in the treatment of the infected population. This is the case of leishmaniasis, an infectious disease caused by a protozoan of the genus Leishmania sp., responsible for triggering pathological processes from the simplest to the most severe forms leading to high rates of morbidity and mortality throughout the world. In the search for new leishmanicidal drugs, the thiosemicarbazones and the indole fragments have been identified as promising structures for leishmanicidal activity. The present study proposes the synthesis and structural characterization of new indole-thiosemicarbazone derivatives (2a-j), in addition to performing in vitro evaluations through cytotoxicity assays using macrophages (J774) activity against forms of Leishmania infantum and Leishmania amazonensis promastigote as well as ultrastructural analyzes in promastigotes of L. infantum. Results show that the indole-thiosemicarbazone derivatives were obtained with yield values varying from 32.09 to 94.64%. In the evaluation of cytotoxicity, the indole-thiosemicarbazone compounds presented CC50 values between 53.23 and 357.97 μM. Concerning the evaluation against L. amazonensis promastigote forms, IC50 values ranged between 12.31 and > 481.52 μM, while the activity against L. infantum promastigotes obtained IC50 values between 4.36 and 23.35 μM. The compounds 2d and 2i tested against L. infantum were the most promising in the series, as they showed the lowest IC50 values: 5.60 and 4.36 respectively. The parasites treated with the compounds 2d and 2i showed several structural alterations, such as shrinkage of the cell body, shortening and loss of the flagellum, intense mitochondrial swelling and vacuolization of the cytoplasm leading the parasite to cellular unviability. Therefore, the indole-thiosemicarbazone compounds are promising because they yield considerable synthesis, have low cytotoxicity to mammalian cells and act as leishmanicidal agents.
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Bessega T, Chaves OA, Martins FM, Acunha TV, Back DF, Iglesias BA, de Oliveira GM. Coordination of Zn(II), Pd(II) and Pt(II) with ligands derived from diformylpyridine and thiosemicarbazide: Synthesis, structural characterization, DNA/BSA binding properties and molecular docking analysis. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2019.119049] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Wang Y, Wang Z, Kuang H, Zhang Y, Gu W, Zhu Y, Wang S. Synthesis and antitumor activity of 2-isocamphanyl thiosemicarbazone derivatives via ROS-enhanced mitochondrial damage. Chem Biol Drug Des 2019; 94:1281-1291. [PMID: 30689273 DOI: 10.1111/cbdd.13492] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 12/14/2018] [Accepted: 01/19/2019] [Indexed: 01/05/2023]
Abstract
A series of novel 2-isocamphanyl thiosemicarbazone derivatives were synthesized and characterized by 1 H NMR, 13 C NMR, and HRMS. In in vitro anticancer activity, most derivatives showed considerable cytotoxic activity against four cancer cell lines (RPMI-8226, A549, MDA-MB-231, and HepG2 cancer cells) and showed low toxicity against human gastric mucosal cells (GES-1). Among them, compound 4h exhibited excellent antitumor activity against the tested cancer cells with IC50 values of 0.4, 1.1, 1.6, and 1.7 μM for MDA-MB-231, RPMI-8226, A549, and HepG2, respectively. Further, mechanism studies indicated that compound 4h induced apoptosis in MDA-MB-231 cells through enhancing reactive oxygen species levels, inducing mitochondrial membrane potential decrease, and influencing the expression of Bax, Bcl-2, caspase-3, and caspase-9.
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Affiliation(s)
- Yunyun Wang
- College of Chemical Engineering, Nanjing Forestry University, Nanjing, China
| | - Zhonglong Wang
- College of Chemical Engineering, Nanjing Forestry University, Nanjing, China
| | - Hongbo Kuang
- College of Chemical Engineering, Nanjing Forestry University, Nanjing, China
| | - Yan Zhang
- College of Chemical Engineering, Nanjing Forestry University, Nanjing, China
| | - Wen Gu
- College of Chemical Engineering, Nanjing Forestry University, Nanjing, China.,Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing, China
| | - Yongqiang Zhu
- Jiangsu Chia Tai Fenghai Pharmaceutical Co. Ltd, Nanjing, China
| | - Shifa Wang
- College of Chemical Engineering, Nanjing Forestry University, Nanjing, China.,Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing, China
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Linciano P, Pozzi C, Iacono LD, di Pisa F, Landi G, Bonucci A, Gul S, Kuzikov M, Ellinger B, Witt G, Santarem N, Baptista C, Franco C, Moraes CB, Müller W, Wittig U, Luciani R, Sesenna A, Quotadamo A, Ferrari S, Pöhner I, Cordeiro-da-Silva A, Mangani S, Costantino L, Costi MP. Enhancement of Benzothiazoles as Pteridine Reductase-1 Inhibitors for the Treatment of Trypanosomatidic Infections. J Med Chem 2019; 62:3989-4012. [DOI: 10.1021/acs.jmedchem.8b02021] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Pasquale Linciano
- Dipartimento di Scienze della Vita, University of Modena and Reggio Emilia, Via Campi 103, 41125 Modena, Italy
| | - Cecilia Pozzi
- Dipartimento di Biotecnologie, Chimica e Farmacia, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Lucia dello Iacono
- Dipartimento di Biotecnologie, Chimica e Farmacia, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Flavio di Pisa
- Dipartimento di Biotecnologie, Chimica e Farmacia, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Giacomo Landi
- Dipartimento di Biotecnologie, Chimica e Farmacia, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Alessio Bonucci
- Dipartimento di Biotecnologie, Chimica e Farmacia, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Sheraz Gul
- Fraunhofer Institute for Molecular Biology and Applied Ecology Screening Port, 22525 Hamburg, Germany
| | - Maria Kuzikov
- Fraunhofer Institute for Molecular Biology and Applied Ecology Screening Port, 22525 Hamburg, Germany
| | - Bernhard Ellinger
- Fraunhofer Institute for Molecular Biology and Applied Ecology Screening Port, 22525 Hamburg, Germany
| | - Gesa Witt
- Fraunhofer Institute for Molecular Biology and Applied Ecology Screening Port, 22525 Hamburg, Germany
| | - Nuno Santarem
- Institute for Molecular and Cell Biology, 4150-180 Porto, Portugal
- Instituto de Investigação e Inovação em Saúde, Universidade do Porto and Institute for Molecular and Cell Biology, 4150-180 Porto, Portugal
| | - Catarina Baptista
- Institute for Molecular and Cell Biology, 4150-180 Porto, Portugal
- Instituto de Investigação e Inovação em Saúde, Universidade do Porto and Institute for Molecular and Cell Biology, 4150-180 Porto, Portugal
| | - Caio Franco
- Laboratório Nacional de Biociências (LNBio), Centro Nacional de Pesquisaem Energia e Materiais (CNPEM), 13083-100 Campinas, São Paulo, Brazil
| | - Carolina B. Moraes
- Laboratório Nacional de Biociências (LNBio), Centro Nacional de Pesquisaem Energia e Materiais (CNPEM), 13083-100 Campinas, São Paulo, Brazil
| | | | | | - Rosaria Luciani
- Dipartimento di Scienze della Vita, University of Modena and Reggio Emilia, Via Campi 103, 41125 Modena, Italy
| | - Antony Sesenna
- Dipartimento di Scienze della Vita, University of Modena and Reggio Emilia, Via Campi 103, 41125 Modena, Italy
| | - Antonio Quotadamo
- Dipartimento di Scienze della Vita, University of Modena and Reggio Emilia, Via Campi 103, 41125 Modena, Italy
| | - Stefania Ferrari
- Dipartimento di Scienze della Vita, University of Modena and Reggio Emilia, Via Campi 103, 41125 Modena, Italy
| | | | - Anabela Cordeiro-da-Silva
- Institute for Molecular and Cell Biology, 4150-180 Porto, Portugal
- Instituto de Investigação e Inovação em Saúde, Universidade do Porto and Institute for Molecular and Cell Biology, 4150-180 Porto, Portugal
| | - Stefano Mangani
- Dipartimento di Biotecnologie, Chimica e Farmacia, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Luca Costantino
- Dipartimento di Scienze della Vita, University of Modena and Reggio Emilia, Via Campi 103, 41125 Modena, Italy
| | - Maria Paola Costi
- Dipartimento di Scienze della Vita, University of Modena and Reggio Emilia, Via Campi 103, 41125 Modena, Italy
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Mathew B, Baek SC, Grace Thomas Parambi D, Pil Lee J, Joy M, Annie Rilda PR, Randev RV, Nithyamol P, Vijayan V, Inasu ST, Mathew GE, Lohidakshan KK, Kumar Krishnan G, Kim H. Selected aryl thiosemicarbazones as a new class of multi-targeted monoamine oxidase inhibitors. MEDCHEMCOMM 2018; 9:1871-1881. [PMID: 30568755 PMCID: PMC6254048 DOI: 10.1039/c8md00399h] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Accepted: 09/23/2018] [Indexed: 12/26/2022]
Abstract
A series of 13 phenyl substituted thiosemicarbazones (SB1-SB13) were synthesized and evaluated for their inhibitory potential towards human recombinant monoamine oxidase A and B (MAO-A and MAO-B, respectively) and acetylcholinesterase. The solid state structure of SB4 was ascertained by the single X-ray diffraction technique. Compounds SB5 and SB11 were potent for MAO-A (IC50 1.82 ± 0.14) and MAO-B (IC50 0.27 ± 0.015 μM), respectively. Furthermore, SB11 showed a high selectivity index (SI > 37.0) for MAO-B. The effects of fluorine orientation revealed that SB11 (m-fluorine) showed 28.2 times higher inhibitory activity than SB12 (o-fluorine) against MAO-B. Furthermore, inhibitions by SB5 and SB11 against MAO-A and MAO-B, respectively, were recovered to near reference levels in reversibility experiments. Both SB5 and SB11 showed competitive inhibition modes, with K i values of 0.97 ± 0.042 and 0.12 ± 0.006 μM, respectively. These results indicate that SB5 and SB11 are selective, reversible and competitive inhibitors of MAO-A and MAO-B, respectively. Compounds SB5, SB7 and SB11 showed moderate inhibition against acetylcholinesterase with IC50 values of 35.35 ± 0.47, 15.61 ± 0.057 and 26.61 ± 0.338 μM, respectively. Blood-brain barrier (BBB) permeation was studied using the parallel artificial membrane permeation assay (PAMPA) method. Molecular docking studies were carried out using AutoDock 4.2.
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Affiliation(s)
- Bijo Mathew
- Division of Drug Design and Medicinal Chemistry Research Lab , Department of Pharmaceutical Chemistry , Ahalia School of Pharmacy , Palakkad-678557 , Kerala , India .
| | - Seung Cheol Baek
- Department of Pharmacy and Research Institute of Life Pharmaceutical Sciences , Sunchon National University , Suncheon-57922 , Republic of Korea .
| | | | - Jae Pil Lee
- Department of Pharmacy and Research Institute of Life Pharmaceutical Sciences , Sunchon National University , Suncheon-57922 , Republic of Korea .
| | - Monu Joy
- School of Pure & Applied Physics , M.G. University , Kottayam , Kerala , India
| | - P R Annie Rilda
- Division of Drug Design and Medicinal Chemistry Research Lab , Department of Pharmaceutical Chemistry , Ahalia School of Pharmacy , Palakkad-678557 , Kerala , India .
| | - Rugma V Randev
- Division of Drug Design and Medicinal Chemistry Research Lab , Department of Pharmaceutical Chemistry , Ahalia School of Pharmacy , Palakkad-678557 , Kerala , India .
| | - P Nithyamol
- Division of Drug Design and Medicinal Chemistry Research Lab , Department of Pharmaceutical Chemistry , Ahalia School of Pharmacy , Palakkad-678557 , Kerala , India .
| | - Vijitha Vijayan
- Division of Drug Design and Medicinal Chemistry Research Lab , Department of Pharmaceutical Chemistry , Ahalia School of Pharmacy , Palakkad-678557 , Kerala , India .
| | - Sini T Inasu
- Division of Drug Design and Medicinal Chemistry Research Lab , Department of Pharmaceutical Chemistry , Ahalia School of Pharmacy , Palakkad-678557 , Kerala , India .
| | | | | | - Girish Kumar Krishnan
- Department of Pharmaceutical Chemistry , College of Pharmaceutical Sciences , Government Medical College Trivandrum , India
| | - Hoon Kim
- Department of Pharmacy and Research Institute of Life Pharmaceutical Sciences , Sunchon National University , Suncheon-57922 , Republic of Korea .
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Synthesis, in vitro
$$\alpha $$
α
-glucosidase inhibitory activity, and in silico study of (E)-thiosemicarbazones and (E)-2-(2-(arylmethylene)hydrazinyl)-4-arylthiazole derivatives. Mol Divers 2018; 22:841-861. [DOI: 10.1007/s11030-018-9835-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2017] [Accepted: 05/14/2018] [Indexed: 10/16/2022]
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31
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Anti-leishmanial click modifiable thiosemicarbazones: Design, synthesis, biological evaluation and in silico studies. Eur J Med Chem 2018; 151:585-600. [DOI: 10.1016/j.ejmech.2018.04.003] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 03/20/2018] [Accepted: 04/02/2018] [Indexed: 01/07/2023]
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