1
|
Ibba R, Corona P, Nonne F, Caria P, Serreli G, Palmas V, Riu F, Sestito S, Nieddu M, Loddo R, Sanna G, Piras S, Carta A. Design, Synthesis, and Antiviral Activities of New Benzotriazole-Based Derivatives. Pharmaceuticals (Basel) 2023; 16:ph16030429. [PMID: 36986528 PMCID: PMC10054465 DOI: 10.3390/ph16030429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/03/2023] [Accepted: 03/07/2023] [Indexed: 03/16/2023] Open
Abstract
Several human diseases are caused by enteroviruses and are currently clinically untreatable, pushing the research to identify new antivirals. A notable number of benzo[d][1,2,3]triazol-1(2)-yl derivatives were designed, synthesized, and in vitro evaluated for cytotoxicity and antiviral activity against a wide spectrum of RNA positive- and negative-sense viruses. Five of them (11b, 18e, 41a, 43a, 99b) emerged for their selective antiviral activity against Coxsackievirus B5, a human enteroviruses member among the Picornaviridae family. The EC50 values ranged between 6 and 18.5 μM. Among all derivatives, compounds 18e and 43a were interestingly active against CVB5 and were selected to better define the safety profile on cell monolayers by transepithelial resistance test (TEER). Results indicated compound 18e as the hit compound to investigate the potential mechanism of action by apoptosis assay, virucidal activity test, and the time of addition assay. CVB5 is known to be cytotoxic by inducing apoptosis in infected cells; in this study, compound 18e was proved to protect cells from viral infection. Notably, cells were mostly protected when pre-treated with derivative 18e, which had, however, no virucidal activity. From the performed biological assays, compound 18e turned out to be non-cytotoxic as well as cell protective against CVB5 infection, with a mechanism of action ascribable to an interaction on the early phase of infection, by hijacking the viral attachment process.
Collapse
Affiliation(s)
- Roberta Ibba
- Department of Medicine, Surgery and Pharmacy, University of Sassari, Via Muroni, 23/A, 07100 Sassari, Italy; (R.I.); (P.C.); (F.R.); (M.N.)
| | - Paola Corona
- Department of Medicine, Surgery and Pharmacy, University of Sassari, Via Muroni, 23/A, 07100 Sassari, Italy; (R.I.); (P.C.); (F.R.); (M.N.)
| | - Francesca Nonne
- GSK Vaccine Institute for Global Health GSK, Via Fiorentina, 1, 53100 Siena, Italy;
| | - Paola Caria
- Department of Biomedical Sciences, Section of Microbiology and Virology, University of Cagliari, Cittadella Universitaria, 09042 Monserrato, Italy; (P.C.); (G.S.); (V.P.); (R.L.)
| | - Gabriele Serreli
- Department of Biomedical Sciences, Section of Microbiology and Virology, University of Cagliari, Cittadella Universitaria, 09042 Monserrato, Italy; (P.C.); (G.S.); (V.P.); (R.L.)
| | - Vanessa Palmas
- Department of Biomedical Sciences, Section of Microbiology and Virology, University of Cagliari, Cittadella Universitaria, 09042 Monserrato, Italy; (P.C.); (G.S.); (V.P.); (R.L.)
| | - Federico Riu
- Department of Medicine, Surgery and Pharmacy, University of Sassari, Via Muroni, 23/A, 07100 Sassari, Italy; (R.I.); (P.C.); (F.R.); (M.N.)
- Department of Chemistry, Biomedicinskt Centrum, BMC, Uppsala University, Box 576, 75123 Uppsala, Sweden
| | - Simona Sestito
- Department of Chemical, Physical, Mathematical and Natural Sciences, University of Sassari, Via Vienna 2, 07100 Sassari, Italy;
| | - Maria Nieddu
- Department of Medicine, Surgery and Pharmacy, University of Sassari, Via Muroni, 23/A, 07100 Sassari, Italy; (R.I.); (P.C.); (F.R.); (M.N.)
| | - Roberta Loddo
- Department of Biomedical Sciences, Section of Microbiology and Virology, University of Cagliari, Cittadella Universitaria, 09042 Monserrato, Italy; (P.C.); (G.S.); (V.P.); (R.L.)
| | - Giuseppina Sanna
- Department of Biomedical Sciences, Section of Microbiology and Virology, University of Cagliari, Cittadella Universitaria, 09042 Monserrato, Italy; (P.C.); (G.S.); (V.P.); (R.L.)
- Correspondence: (G.S.); (S.P.)
| | - Sandra Piras
- Department of Medicine, Surgery and Pharmacy, University of Sassari, Via Muroni, 23/A, 07100 Sassari, Italy; (R.I.); (P.C.); (F.R.); (M.N.)
- Correspondence: (G.S.); (S.P.)
| | - Antonio Carta
- Department of Medicine, Surgery and Pharmacy, University of Sassari, Via Muroni, 23/A, 07100 Sassari, Italy; (R.I.); (P.C.); (F.R.); (M.N.)
| |
Collapse
|
2
|
Li Z, Wang F, Liu Y, Zhai D, Zhang X, Ying Q, Jia M, Xue X, Meng J, Li J, Wu X, Li M. Coumarin Derivative N6 as a Novel anti-hantavirus Infection Agent Targeting AKT. Front Pharmacol 2021; 12:745646. [PMID: 34938178 PMCID: PMC8685952 DOI: 10.3389/fphar.2021.745646] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 11/10/2021] [Indexed: 12/23/2022] Open
Abstract
Hantaviruses are globally emerging zoonotic viruses that can cause hemorrhagic fever with renal syndrome (HFRS) in Asia and Europe, which is primarily caused by Hantaan virus (HTNV) infection, results in profound morbidity and mortality. However, no specific treatment is available for this disease. Coumarin derivatives have been reported as antiviral molecules, while studies about the bioactivity of coumarin derivatives against HTNV infection are limited. To study the potential antiviral activity of coumarin derivatives, 126 coumarin derivatives are synthesized, and their inhibitory activity against HTNV is analyzed in vitro. Among these compounds, N6 inhibits HTNV with relatively high selectivity index at 10.9, and the viral titer of HTNV is reduced significantly after 5, 10, and 20 μM N6 treatments. Furthermore, the administration of N6 at the early stage of HTNV infection can inhibit the replication and production of infectious HTNV in host cell, this therapeutic efficacy is confirmed in HTNV-infected newborn mice at the early stage of infection. The molecular docking results show that N6 forms interactions with the key amino acid residues at its active site, and reveals several molecular interactions responsible for the observed affinity, and the treatment of N6 can inhibit the expression of p (Ser473)Akt and HTNV nucleocapsid protein significantly. As such, these observations demonstrate that coumarin derivative N6 might be used as a potential agent against HTNV infection.
Collapse
Affiliation(s)
- Zhoupeng Li
- Department of Pharmacology and Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medical of the State Administration of Traditional Chinese Medicine, School of Pharmacy, The Fourth Military Medical University, Xi'an, China
| | - Fang Wang
- Department of Microbiology, School of Basic Medicine, The Fourth Military Medical University, Xi'an, China
| | - Yongsheng Liu
- Department of Pharmacology and Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medical of the State Administration of Traditional Chinese Medicine, School of Pharmacy, The Fourth Military Medical University, Xi'an, China
| | - Dongshen Zhai
- Department of Pharmacology and Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medical of the State Administration of Traditional Chinese Medicine, School of Pharmacy, The Fourth Military Medical University, Xi'an, China
| | - Xiaoxiao Zhang
- Department of Microbiology, School of Basic Medicine, The Fourth Military Medical University, Xi'an, China
| | - Qikang Ying
- Department of Microbiology, School of Basic Medicine, The Fourth Military Medical University, Xi'an, China
| | - Min Jia
- Department of Pharmacology and Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medical of the State Administration of Traditional Chinese Medicine, School of Pharmacy, The Fourth Military Medical University, Xi'an, China
| | - Xiaoyan Xue
- Department of Pharmacology and Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medical of the State Administration of Traditional Chinese Medicine, School of Pharmacy, The Fourth Military Medical University, Xi'an, China
| | - Jingru Meng
- Department of Pharmacology and Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medical of the State Administration of Traditional Chinese Medicine, School of Pharmacy, The Fourth Military Medical University, Xi'an, China
| | - Jing Li
- Key Laboratory for Surface Engineering and Remanufacturing in Shaanxi Province, School of Chemical Engineering, Xi'an University, Xi'an, China
| | - Xingan Wu
- Department of Microbiology, School of Basic Medicine, The Fourth Military Medical University, Xi'an, China
| | - Mingkai Li
- Department of Pharmacology and Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medical of the State Administration of Traditional Chinese Medicine, School of Pharmacy, The Fourth Military Medical University, Xi'an, China
- Precision Pharmacy and Drug Development Center, The Fourth Military Medical University, Xi'an, China
| |
Collapse
|
3
|
Luo X, Tian A, Pei M, Yan J, Liu X, Wang L. Highly Stable Univalent Copper of a Cu@Al/SBA-15 Nanocomposite Catalyzes the Synthesis of Fluorescent Aminobenzotriazoles Derivatives. Chemistry 2021; 28:e202103361. [PMID: 34841580 DOI: 10.1002/chem.202103361] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Indexed: 12/21/2022]
Abstract
With the development of green chemistry, it is still a challenge to maintain the unstable valence state of the metal in heterogeneous catalysts and realize new catalytic synthesis methods. In this paper, it is reported that an univalent copper nanocomposite (Cu@Al/SBA-15) can efficiently catalyze the formation of novel amino-containing benzotriazoles with great fluorescence properties in a new synthetic strategy. Subsequently, its application is further verified by an acylation reaction to produce a series of novel benzotriazoles derivatives with high yield. It is worth noting that the Cu@Al/SBA-15 nanocomposites not only enable the reaction completed with high yield in a short time, but can also be recycled many times without a significant reduction in activity, and the leaching of copper and aluminum species in reaction system is negligible. Finally, the detailed and feasible reaction mechanism is also provided.
Collapse
Affiliation(s)
- Xianghao Luo
- Key laboratory of inorganic nonmetallic crystalline and energy conversion materials, College of Materials and Chemical Engineering, China Three Gorges University Yichang, Hubei, 443002, China
| | - Anqi Tian
- Key laboratory of inorganic nonmetallic crystalline and energy conversion materials, College of Materials and Chemical Engineering, China Three Gorges University Yichang, Hubei, 443002, China
| | - Mengyu Pei
- Key laboratory of inorganic nonmetallic crystalline and energy conversion materials, College of Materials and Chemical Engineering, China Three Gorges University Yichang, Hubei, 443002, China
| | - Jiaying Yan
- Key laboratory of inorganic nonmetallic crystalline and energy conversion materials, College of Materials and Chemical Engineering, China Three Gorges University Yichang, Hubei, 443002, China
| | - Xiang Liu
- Key laboratory of inorganic nonmetallic crystalline and energy conversion materials, College of Materials and Chemical Engineering, China Three Gorges University Yichang, Hubei, 443002, China
| | - Long Wang
- Key laboratory of inorganic nonmetallic crystalline and energy conversion materials, College of Materials and Chemical Engineering, China Three Gorges University Yichang, Hubei, 443002, China.,Hubei Three Gorges Laboratory Yichang, Hubei, 443007, China
| |
Collapse
|
4
|
Khayyat AN, Mohamed KO, Malebari AM, El-Malah A. Design, Synthesis, and Antipoliferative Activities of Novel Substituted Imidazole-Thione Linked Benzotriazole Derivatives. Molecules 2021; 26:5983. [PMID: 34641526 PMCID: PMC8512560 DOI: 10.3390/molecules26195983] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 09/29/2021] [Accepted: 09/30/2021] [Indexed: 01/18/2023] Open
Abstract
A new series of benzotriazole moiety bearing substituted imidazol-2-thiones at N1 has been designed, synthesized and evaluated for in vitro anticancer activity against the different cancer cell lines MCF-7(breast cancer), HL-60 (Human promyelocytic leukemia), and HCT-116 (colon cancer). Most of the benzotriazole analogues exhibited promising antiproliferative activity against tested cancer cell lines. Among all the synthesized compounds, BI9 showed potent activity against the cancer cell lines such as MCF-7, HL-60 and HCT-116 with IC50 3.57, 0.40 and 2.63 µM, respectively. Compound BI9 was taken up for elaborate biological studies and the HL-60 cells in the cell cycle were arrested in G2/M phase. Compound BI9 showed remarkable inhibition of tubulin polymerization with the colchicine binding site of tubulin. In addition, compound BI9 promoted apoptosis by regulating the expression of pro-apoptotic protein BAX and anti-apoptotic proteins Bcl-2. These results provide guidance for further rational development of potent tubulin polymerization inhibitors for the treatment of cancer.
Collapse
Affiliation(s)
- Ahdab N. Khayyat
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (A.M.M.); (A.E.-M.)
| | - Khaled O. Mohamed
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt;
| | - Azizah M. Malebari
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (A.M.M.); (A.E.-M.)
| | - Afaf El-Malah
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (A.M.M.); (A.E.-M.)
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt;
| |
Collapse
|
5
|
Yarovaya OI, Kovaleva KS, Zaykovskaya AA, Yashina LN, Scherbakova NS, Scherbakov DN, Borisevich SS, Zubkov FI, Antonova AS, Peshkov RY, Eltsov IV, Pyankov OV, Maksyutov RA, Salakhutdinov NF. New class of hantaan virus inhibitors based on conjugation of the isoindole fragment to (+)-camphor or (-)-fenchone hydrazonesv. Bioorg Med Chem Lett 2021; 40:127926. [PMID: 33705902 DOI: 10.1016/j.bmcl.2021.127926] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 02/05/2021] [Accepted: 02/25/2021] [Indexed: 11/20/2022]
Abstract
This work presents the design and synthesis of camphor, fenchone, and norcamphor N-acylhydrazone derivatives as a new class of inhibitors of the Hantaan virus, which causes haemorrhagic fever with renal syndrome (HFRS). A cytopathic model was developed for testing chemotherapeutics against the Hantaan virus, strain 76-118. In addition, a study of the antiviral activity was carried out using a pseudoviral system. It was found that the hit compound possesses significant activity (IC50 = 7.6 ± 2 µM) along with low toxicity (CC50 > 1000 µM). Using molecular docking procedures, the binding with Hantavirus nucleoprotein was evaluated and the correlation between the structure of the synthesised compounds and the antiviral activity was established.
Collapse
Affiliation(s)
- Olga I Yarovaya
- N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry SB RAS, Lavrent'ev av., 9, Novosibirsk 630090, Russia
| | - Kseniya S Kovaleva
- N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry SB RAS, Lavrent'ev av., 9, Novosibirsk 630090, Russia
| | - Anna A Zaykovskaya
- State Research Center of Virology and Biotechnology VECTOR, Rospotrebnadzor, Koltsovo, Novosibirsk Region 630559, Russia
| | - Liudmila N Yashina
- State Research Center of Virology and Biotechnology VECTOR, Rospotrebnadzor, Koltsovo, Novosibirsk Region 630559, Russia
| | - Nadezda S Scherbakova
- State Research Center of Virology and Biotechnology VECTOR, Rospotrebnadzor, Koltsovo, Novosibirsk Region 630559, Russia
| | - Dmitry N Scherbakov
- State Research Center of Virology and Biotechnology VECTOR, Rospotrebnadzor, Koltsovo, Novosibirsk Region 630559, Russia
| | - Sophia S Borisevich
- Ufa Institute of Chemistry, Ufa Federal Research Center, RAS, Octyabrya pr., 71, Ufa 450054, Russia
| | - Fedor I Zubkov
- Organic Chemistry Department, Faculty of Science, Peoples' Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya St., Moscow 117198, Russia
| | - Alexandra S Antonova
- Organic Chemistry Department, Faculty of Science, Peoples' Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya St., Moscow 117198, Russia
| | - Roman Yu Peshkov
- Novosibirsk State University, Pirogova St. 1, Novosibirsk 630090, Russia
| | - Ilia V Eltsov
- Novosibirsk State University, Pirogova St. 1, Novosibirsk 630090, Russia
| | - Oleg V Pyankov
- State Research Center of Virology and Biotechnology VECTOR, Rospotrebnadzor, Koltsovo, Novosibirsk Region 630559, Russia
| | - Rinat A Maksyutov
- State Research Center of Virology and Biotechnology VECTOR, Rospotrebnadzor, Koltsovo, Novosibirsk Region 630559, Russia
| | - Nariman F Salakhutdinov
- N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry SB RAS, Lavrent'ev av., 9, Novosibirsk 630090, Russia
| |
Collapse
|
6
|
Ibba R, Piras S, Corona P, Riu F, Loddo R, Delogu I, Collu G, Sanna G, Caria P, Dettori T, Carta A. Synthesis, Antitumor and Antiviral In Vitro Activities of New Benzotriazole-Dicarboxamide Derivatives. Front Chem 2021; 9:660424. [PMID: 34017818 PMCID: PMC8129498 DOI: 10.3389/fchem.2021.660424] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 04/19/2021] [Indexed: 12/17/2022] Open
Abstract
Cancer and viral infections continue to threaten humankind causing death worldwide. Hence, the discovery of new anticancer and antiviral agents still represents a major scientific goal. Heterocycles designed to mimic the chemical structure of natural pyrimidines and purines have been designed over the years, exerting their activity acting as false substrates on several different targets. We reported a series of bis-benzotriazole-dicarboxamide derivatives which inhibit viral helicase of poliovirus, and hence we planned structure modifications to obtain different series of new dicarboxamides. Here, the synthesis and characterization of 56 new compounds: 31 bis-benzotriazole dicarboxamides and 25 mono-substituted acidic derivatives are reported. The synthesized compounds were tested for their antiviral and antitumor activity. Mostly, compounds 4a, 4c and 4d showed antiviral activity against tested Picornaviruses, Coxsackievirus B5 and Poliovirus-1. Likewise, four derivatives (3b, 3d, 4d, 9b) showed notable antiproliferative activity inhibiting cell growth in two distinct antitumor screenings. Compound 3b was selected as the antitumor lead compound for the wide range of activity and the potency proved. The lead compound was proved to induce apoptosis in SK-MES1 tumor cells, in a dose-dependent manner.
Collapse
Affiliation(s)
- Roberta Ibba
- Department of Chemistry and Pharmacy, University of Sassari, Sassari, Italy
| | - Sandra Piras
- Department of Chemistry and Pharmacy, University of Sassari, Sassari, Italy
| | - Paola Corona
- Department of Chemistry and Pharmacy, University of Sassari, Sassari, Italy
| | - Federico Riu
- Department of Chemistry and Pharmacy, University of Sassari, Sassari, Italy
| | - Roberta Loddo
- Department of Biomedical Sciences, Section of Microbiology and Virology, University of Cagliari, Cittadella Universitaria, Cagliari, Italy
| | - Ilenia Delogu
- Department of Biomedical Sciences, Section of Microbiology and Virology, University of Cagliari, Cittadella Universitaria, Cagliari, Italy
| | - Gabriella Collu
- Department of Biomedical Sciences, Section of Microbiology and Virology, University of Cagliari, Cittadella Universitaria, Cagliari, Italy
| | - Giuseppina Sanna
- Department of Biomedical Sciences, Section of Microbiology and Virology, University of Cagliari, Cittadella Universitaria, Cagliari, Italy
| | - Paola Caria
- Department of Biomedical Sciences, Section of Biochemistry, Biology and Genetics, University of Cagliari, Cittadella Universitaria, Cagliari, Italy
| | - Tinuccia Dettori
- Department of Biomedical Sciences, Section of Biochemistry, Biology and Genetics, University of Cagliari, Cittadella Universitaria, Cagliari, Italy
| | - Antonio Carta
- Department of Chemistry and Pharmacy, University of Sassari, Sassari, Italy
| |
Collapse
|
7
|
Corona P, Piras S, Ibba R, Riu F, Murineddu G, Sanna G, Madeddu S, Delogu I, Loddo R, Carta A. Antiviral Activity of Benzotriazole Based Derivatives. THE OPEN MEDICINAL CHEMISTRY JOURNAL 2020. [DOI: 10.2174/1874104502014010083] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
For the last thirty years, the benzotriazole scaffold has been the object of our group interest and we have already presented some results on the antiviral activity of our compounds.
Objective:
In this article, we conclude the exploration of N-(4-(R-2H-benzo[d][1,2,3]triazol-2-yl)phenyl)-4-R’-benzamides and 1-(4-(R-2H-benzo[d][1,2,3]triazol-2-yl)phenyl)-3-R’-ureas by synthesizing further modified derivatives, in order to have more elements for SARs evaluation.
Methods:
Here, we reported the synthesis and the antiviral screening results of 38 newly synthesized benzotriazole derivatives against a panel of DNA and RNA viruses. We also analyse SARs in comparing these compounds with previously published benzotriazole analogues, taking stock of the situation.
Results:
Among the newly presented derivatives, compounds 17 and 18 were the most active with EC50 6.9 and 5.5 µM, respectively against Coxsackievirus B5 (CV-B5) and 20.5 and 17.5 µM against Poliovirus (Sb-1).
Conclusion:
we can conclude that N-(4-(2H-benzo[d] [1 - 3] triazol-2-yl)phenyl-R-amide is a good chemical scaffold for the development of new antiviral molecules.
Collapse
|
8
|
Ibba R, Piras S, Delogu I, Loddo R, Carta A. Anti-BVDV Activity Evaluation of Naphthoimidazole Derivatives Compared with Parental Imidazoquinoline Compounds. THE OPEN MEDICINAL CHEMISTRY JOURNAL 2020. [DOI: 10.2174/1874104502014010065] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Pestivirus genus includes animal pathogens which are involved in economic impact for the livestock industry. Among others, Bovine Viral Diarrhoea Virus (BVDV) establish a persistent infection in cattle causing a long list of symptoms and a high mortality rate. In the last decades, we synthesised and reported a certain number of anti-BVDV compounds.
Methods:
In them, imidazoquinoline derivatives turned out as the most active. Their mechanism of actions has been deeply investigated, BVDV RNA-dependent RNA polymerase (RpRd) resulted as target and the way of binding was predicted in silico through three main H-bond interaction with the target.
The prediction could be confirmed by target or ligand mutation. The first approach has already been performed and published confirming the in silico prediction.
Results:
Here, we present how the ligand chemical modification affects the anti-BVDV activity. The designed compounds were synthesised and tested against BVDV as in silico assay negative control.
Conclusion:
The antiviral results confirmed the predicted mechanism of action, as the newly synthesised compounds resulted not active in the in vitro BVDV infection inhibition.
Collapse
|
9
|
Singh H, Kaur H, Medhi B. Novel therapeutic approaches toward Hantaan virus and its clinical features' similarity with COVID-19. Indian J Pharmacol 2020; 52:347-355. [PMID: 33283765 PMCID: PMC8025769 DOI: 10.4103/ijp.ijp_1001_20] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 10/19/2020] [Accepted: 11/09/2020] [Indexed: 12/12/2022] Open
Abstract
Zoonotic virus spill over in human community has been an intensive area of viral pathogenesis and the outbreak of Hantaan virus and severe acute respiratory syndrome coronavirus 2 (SARS CoV2) after late December 2019 caused a global threat. Hantaan virus is second to the COVID-19 outbreak in China with seven cases positive and one death. Both RNA viruses have opposite sense as in (-) for Hantaan virus and (+) for SARS CoV2 but have similarity in the pathogenesis and relevant clinical features including dry cough, high fever, shortness of breath, and SARS associated with pneumonia and certain reported cases with multiple organ failure. Although COVID-19 has global impact with high death toll, Hantaan virus has varyingly high mortality rate between 1% and 40%. Hence, there is a need to explore novel therapeutic targets in Hantaan virus due to its rapid evolution rate in its genetic makeup which governs virulence and target host cells. This review emphasizes the importance of structural and nonstructural proteins of Hantaan virus with relevant insight from SARS CoV2. The envelope glycoproteins such as Gn, Gc, and nucleocapsid protein (N) direct the viral assembly and replication in host cells. Therapeutic treatment has similarity in using ribavirin and extracorporeal membrane oxygenation but lack of efficacious treatment in both cases of SARAS CoV2 and Hantaan virus. Therefore, potential features regarding therapeutic targets for drug discovery for Hantaan viruses are discussed herewith. The conclusive description highlights that N protein is substantially involved in evoking immune response and induces symptoms and could be precursive target for drug discovery studies.
Collapse
Affiliation(s)
| | | | - Bikash Medhi
- Department of Pharmacology, PGIMER, Chandigarh, India
| |
Collapse
|
10
|
Development of small-molecule inhibitors against hantaviruses. Microbes Infect 2020; 22:272-277. [PMID: 32445882 DOI: 10.1016/j.micinf.2020.05.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Accepted: 05/18/2020] [Indexed: 11/21/2022]
Abstract
Hantavirus (HV), a pathogen of animal infectious diseases that poses a threat to humans, has attracted extensive attention. Clinically, HV can cause hemorrhagic fever with renal syndrome (HFRS) and hantavirus pulmonary syndrome (HPS), between which HFRS is mostly in Eurasia, and HPS is mostly in the Americas. This paper reviews the research progress of small-molecule inhibitors of HV.
Collapse
|
11
|
Antiviral Agents: Discovery to Resistance. Viruses 2020; 12:v12040406. [PMID: 32272550 PMCID: PMC7232148 DOI: 10.3390/v12040406] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 04/04/2020] [Indexed: 12/13/2022] Open
|