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Purakkel U, Praveena G, Madabhushi VY, Jadav SS, Prakasham RS, Dasugari Varakala SG, Sriram D, Blanch EW, Maniam S. Thiazolotriazoles As Anti-infectives: Design, Synthesis, Biological Evaluation and In Silico Studies. ACS OMEGA 2024; 9:8846-8861. [PMID: 38434818 PMCID: PMC10905600 DOI: 10.1021/acsomega.3c06324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 12/03/2023] [Accepted: 12/14/2023] [Indexed: 03/05/2024]
Abstract
The rational design of novel thiazolo[2,3-c][1,2,4]triazole derivatives was carried out based on previously identified antitubercular hit molecule H127 for discovering potent compounds showing antimicrobial activity. The designed compounds were screened for their binding efficacies against the antibacterial drug target enoyl-[acyl-carrier-protein] reductase, followed by prediction of drug-likeness and ADME properties. The designed analogues were chemically synthesized, characterized by spectroscopic techniques, followed by evaluation of antimicrobial activity against bacterial and fungal strains, as well as antitubercular activity against M. tuberculosis and M. bovis strains. Among the synthesized compounds, five compounds, 10, 11, 35, 37 and 38, revealed antimicrobial activity, albeit with differential potency against various microbial strains. Compounds 10 and 37 were the most active against S. mutans (MIC: 8 μg/mL), while compounds 11 and 37 showed the highest activity against B. subtillis (MIC: 16 μg/mL), whereas compounds 10, 11 and 37 displayed activities against E. coli (MIC: 16 μg/mL). Meanwhile, compounds 10 and 35 depicted activities against S. typhi (MIC: 16 μg/mL) and compound 10 showed antifungal activity against C. albicans (MIC: 32 μg/mL). The current study has identified two broad-spectrum antibacterial hit compounds (10 and 37). Further structural investigation on these molecules is underway to enhance their potency.
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Affiliation(s)
- Umadevi
Kizhakke Purakkel
- Applied
Chemistry and Environmental Science, STEM College, RMIT University, Melbourne, Victoria 3001, Australia
- Organic
Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Ganji Praveena
- Organic
Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Valli Y. Madabhushi
- Organic
Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Surender Singh Jadav
- Department
of Natural Products and Medicinal Chemistry, CSIR-Indian Institute of Chemical Technology Tarnaka, Uppal Road, Hyderabad 500037, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Reddy Shetty Prakasham
- Organic
Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
| | | | - Dharmarajan Sriram
- Department
of Pharmacy, Birla Institute of Technology
& Science Pilani, Hyderabad Campus, Hyderabad 500078, India
| | - Ewan W. Blanch
- Applied
Chemistry and Environmental Science, STEM College, RMIT University, Melbourne, Victoria 3001, Australia
| | - Subashani Maniam
- Applied
Chemistry and Environmental Science, STEM College, RMIT University, Melbourne, Victoria 3001, Australia
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Chirra N, Abburi NP, Rekha EM, Pedapati RK, Bollikanda RK, Murahari M, Sriram D, Sridhar B, Kantevari S. N-Substituted piperazine-coupled imidazo[2,1-b]thiazoles as inhibitors of Mycobacterium tuberculosis: Synthesis, evaluation, and docking studies. Drug Dev Res 2024; 85:e22153. [PMID: 38349258 DOI: 10.1002/ddr.22153] [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: 10/28/2023] [Revised: 12/14/2023] [Accepted: 01/13/2024] [Indexed: 02/15/2024]
Abstract
An innovative series of N-substituted piperazine-linked imidazothiazole derivatives 7(a-x) were synthesized, and their antitubercular effectiveness was evaluated. A three-step reaction sequence involving the condensation of 1,3-dichloroacetone and thiourea, coupling with substituted piperazines to give the intermediates 5(a-d) and cyclization with substituted α-bromoacetophenones produced the desired imidazothiazole derivatives 7(a-x) in excellent yields. In vitro screening of new derivatives against Mycobacterium tuberculosis H37Rv resulted in 7k (minimum inhibitory concentration [MIC]: 0.78 μg/mL) and 7g and 7h (MIC: 1.56 μg/mL) as potent hit compounds. Further, the docking studies of the promising compounds 7k, 7g, and 7h revealed that the best molecular interactions are with the DprE1 in complex with sulfonyl PBTZ of M. tuberculosis as the target protein (PDB ID: 6G83).
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Affiliation(s)
- Nagaraju Chirra
- Fluoro & Agrochemicals Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
| | - Naga Pranathi Abburi
- Fluoro & Agrochemicals Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
| | - Estharla Madhu Rekha
- Medicinal Chemistry and Antimycobacterial Research Laboratory, Pharmacy Group, Birla Institute of Technology and Science-Pilani, Hyderabad, Telangana, India
| | - Ravi Kumar Pedapati
- Fluoro & Agrochemicals Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
| | - Rakesh Kumar Bollikanda
- Fluoro & Agrochemicals Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
| | - Manikanta Murahari
- Medicinal Chemistry Research Division, K L College of Pharmacy, Koneru Lakshmaiah Education Foundation, Vaddeswaram, Andhra Pradesh, India
| | - Dharmarajan Sriram
- Medicinal Chemistry and Antimycobacterial Research Laboratory, Pharmacy Group, Birla Institute of Technology and Science-Pilani, Hyderabad, Telangana, India
| | - Balasubramanian Sridhar
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
- Centre for X-ray Crystallography, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, India
| | - Srinivas Kantevari
- Fluoro & Agrochemicals Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
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3
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Bakale RD, Sulakhe SM, Kasare SL, Sathe BP, Rathod SS, Choudhari PB, Madhu Rekha E, Sriram D, Haval KP. Design, synthesis and antitubercular assessment of 1, 2, 3-triazole incorporated thiazolylcarboxylate derivatives. Bioorg Med Chem Lett 2024; 97:129551. [PMID: 37979730 DOI: 10.1016/j.bmcl.2023.129551] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 10/20/2023] [Accepted: 11/09/2023] [Indexed: 11/20/2023]
Abstract
A library of 1, 2, 3-triazole incorporated thiazolylcarboxylate derivatives (7a-q) and (8a-j) were synthesized and evaluated for their in-vitro antitubercular activity against Mycobacterium tuberculosis H37Rv. The two compounds 7h and 8h have displayed excellent antitubercular activity with MIC values of 3.12 and 1.56 µg/mL respectively (MIC values of standard drugs; Ciprofloxacin 1.56 μg/mL & Ethambutol 3.12 μg/mL). Whereas, the four compounds 7i, 7n, 7p and 8i displayed noticeable antitubercular activity with a MIC value of 6.25 µg/mL. The active compounds of the series were further studied for their cytotoxicity against RAW264.7 cell line using MTT assay. Furthermore, to study the probable mechanism of antitubercular action, physicochemical property profiling, DFT calculation and molecular docking study were executed on mycobacterial cell wall target Decaprenylphosphoryl-β-d-ribose 2'-epimerase 1 (DprE1). Among all the compounds, 7h (-10 kcal/mol) and 8h (-10.1 kcal/mol) exerted the highest negative binding affinity against the targeted DprE1 (PDB: 4NCR) protein.
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Affiliation(s)
- Rajubai D Bakale
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University SubCampus, Osmanabad 413501, MS, India
| | - Shubham M Sulakhe
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University SubCampus, Osmanabad 413501, MS, India
| | - Sanghratna L Kasare
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University SubCampus, Osmanabad 413501, MS, India
| | - Bhaurao P Sathe
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University SubCampus, Osmanabad 413501, MS, India
| | - Sanket S Rathod
- Department of Pharmaceutical Chemistry, Bharati Vidyapeeth College of Pharmacy, Kolhapur 416013, MS, India
| | - Prafulla B Choudhari
- Department of Pharmaceutical Chemistry, Bharati Vidyapeeth College of Pharmacy, Kolhapur 416013, MS, India
| | - Estharla Madhu Rekha
- Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Jawahar Nagar, Shameerpet Mandal, R. R. District, Hyderabad 500078, India
| | - Dharmarajan Sriram
- Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Jawahar Nagar, Shameerpet Mandal, R. R. District, Hyderabad 500078, India
| | - Kishan P Haval
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University SubCampus, Osmanabad 413501, MS, India.
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4
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Katiyar S, Ramalingam K, Kumar A, Ansari A, Bisen AC, Mishra G, Sanap SN, Bhatta RS, Purkait B, Goyal N, Sashidhara KV. Design, synthesis, and biological evaluation of quinoline-piperazine/pyrrolidine derivatives as possible antileishmanial agents. Eur J Med Chem 2023; 261:115863. [PMID: 37837672 DOI: 10.1016/j.ejmech.2023.115863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 09/27/2023] [Accepted: 10/06/2023] [Indexed: 10/16/2023]
Abstract
In pursuance of our efforts to expand the scope of novel antileishmanial entities, a series of thirty-five quinoline-piperazine/pyrrolidine, and other heterocyclic amine derivatives were synthesized via a molecular hybridization approach and examined against intracellular amastigotes of luciferase-expressing Leishmania donovani. The preliminary in vitro screening suggests that twelve compounds in the series exhibited better inhibition against amastigote form with good IC50 values ranging from 2.09 to 8.89 μM and lesser cytotoxicity in contrast to the standard drug miltefosine (IC50 9.25 ± 0.17 μM). Based on the satisfactory selectivity index (SI), two compounds were tested for in vivo leishmanicidal efficacy against Leishmania donovani/golden hamster model. Compounds 33 and 46 have shown significant inhibition of 56.32%, and 49.29%, respectively, in vivo screening at a daily dose of 50 mg/kg for 5 days. The pharmacokinetic results confirmed that 33 and 46 have satisfactory IP exposure with adequate parameters. Collectively, Compound 33 was identified as the most significant potential lead that could be employed as a prototype for future optimizations.
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Affiliation(s)
- Sarita Katiyar
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Jankipuram Extension, Sitapur Road, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, U.P., India
| | - Karthik Ramalingam
- Division of Biochemistry and Structural Biology, CSIR-Central Drug Research Institute, BS-10/1, Sector 10, Jankipuram Extension, Sitapur Road, Lucknow, 226031, India
| | - Abhishek Kumar
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Jankipuram Extension, Sitapur Road, Lucknow, 226031, India
| | - Alisha Ansari
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Jankipuram Extension, Sitapur Road, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, U.P., India
| | - Amol Chhatrapati Bisen
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, U.P., India
| | - Garvita Mishra
- Molecular Microbiology & Immunology, CSIR-Central Drug Research Institute, Lucknow, 226031, India
| | - Sachin Nashik Sanap
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, U.P., India
| | - Rabi Sankar Bhatta
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Lucknow, 226031, India
| | - Bidyut Purkait
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, U.P., India; Molecular Microbiology & Immunology, CSIR-Central Drug Research Institute, Lucknow, 226031, India
| | - Neena Goyal
- Division of Biochemistry and Structural Biology, CSIR-Central Drug Research Institute, BS-10/1, Sector 10, Jankipuram Extension, Sitapur Road, Lucknow, 226031, India.
| | - Koneni V Sashidhara
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Jankipuram Extension, Sitapur Road, Lucknow, 226031, India; Sophisticated Analytical Instrument Facility & Research, CSIR-Central Drug Research Institute, Jankipuram Extension, Sitapur Road, Lucknow, 226031, U.P., India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, U.P., India.
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5
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Ravisankar N, Sarathi N, Maruthavanan T, Ramasundaram S, Ramesh M, Sankar C, Umamatheswari S, Kanthimathi G, Oh TH. Synthesis, antimycobacterial screening, molecular docking, ADMET prediction and pharmacological evaluation on novel pyran-4-one bearing hydrazone, triazole and isoxazole moieties: Potential inhibitors of SARS CoV-2. J Mol Struct 2023; 1285:135461. [PMID: 37041803 PMCID: PMC10062711 DOI: 10.1016/j.molstruc.2023.135461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 03/14/2023] [Accepted: 03/28/2023] [Indexed: 04/13/2023]
Abstract
The respiratory infection tuberculosis is caused by the bacteria Mycobacterium tuberculosis and its unrelenting spread caused millions of deaths around the world. Hence, it is needed to explore potential and less toxic anti-tubercular drugs. In the present work, we report the synthesis and antitubercular activity of four different (hydrazones 7-12, O-ethynyl oximes 19-24, triazoles 25-30, and isoxazoles 31-36) hybrids. Among these hybrids 9, 10, 33, and 34, displayed high antitubercular activity at 3.12 g/mL with >90% of inhibitions. The hybrids also showed good docking energies between -6.8 and -7.8 kcal/mol. Further, most active molecules were assayed for their DNA gyrase reduction ability towards M. tuberculosis and E.coli DNA gyrase by the DNA supercoiling and ATPase gyrase assay methods. All four hybrids showed good IC50 values comparable to that of the reference drug. In addition, the targets were also predicted as a potential binder for papain-like protease (SARS CoV-2 PLpro) by molecular docking and a good interaction result was observed. Besides, all targets were predicted for their absorption, distribution, metabolism, and excretion - toxicity (ADMET) profile and found a significant amount of ADMET and bioavailability.
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Affiliation(s)
- N Ravisankar
- Department of Chemistry, Veltech Rangarajan Dr. Sagunthala R & D Institute of Science and Technology, Chennai 600 062, India
| | - N Sarathi
- Department of Chemistry, GRT Institute of Engineering and Technology (Affiliated to Anna University), Tiruttani 631 209, Tamil Nadu, India
| | - T Maruthavanan
- Department of Chemistry, SONASTARCH, Sona College of Technology, Salem 636005, Tamil Nadu, India
| | | | - M Ramesh
- Department of Chemistry, Govt. Arts College, Tiruchirappalli, Tamil Nadu 620 022, India
| | - C Sankar
- Department of Chemistry, SRM TRP Engineering College, Tiruchirappalli, Tamil Nadu 621 105, India
| | - S Umamatheswari
- Department of Chemistry, Govt. Arts College, Tiruchirappalli, Tamil Nadu 620 022, India
| | - G Kanthimathi
- Department of Chemistry, Ramco Institue of Technology, Rajapalayam, Tamil Nadu 626 117, India
| | - Tae Hwan Oh
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38436, Republic of Korea
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6
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Mokrousov I, Slavchev I, Solovieva N, Dogonadze M, Vyazovaya A, Valcheva V, Masharsky A, Belopolskaya O, Dimitrov S, Zhuravlev V, Portugal I, Perdigão J, Dobrikov GM. Molecular Insight into Mycobacterium tuberculosis Resistance to Nitrofuranyl Amides Gained through Metagenomics-like Analysis of Spontaneous Mutants. Pharmaceuticals (Basel) 2022; 15:ph15091136. [PMID: 36145357 PMCID: PMC9504009 DOI: 10.3390/ph15091136] [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: 08/12/2022] [Revised: 09/04/2022] [Accepted: 09/08/2022] [Indexed: 11/16/2022] Open
Abstract
We performed synthesis of new nitrofuranyl amides and investigated their anti-TB activity and primary genetic response of mycobacteria through whole-genome sequencing (WGS) of spontaneous resistant mutants. The in vitro activity was assessed on reference strain Mycobacterium tuberculosis H37Rv. The most active compound 11 was used for in vitro selection of spontaneous resistant mutants. The same mutations in six genes were detected in bacterial cultures grown under increased concentrations of 11 (2×, 4×, 8× MIC). The mutant positions were presented as mixed wild type and mutant alleles while increasing the concentration of the compound led to the semi-proportional and significant increase in mutant alleles. The identified genes belong to different categories and pathways. Some of them were previously reported as mediating drug resistance or drug tolerance, and counteracting oxidative and nitrosative stress, in particular: Rv0224c, fbiC, iniA, and Rv1592c. Gene-set interaction analysis revealed a certain weak interaction for gene pairs Rv1592–Rv1639c and Rv1592–Rv0224c. To conclude, this study experimentally demonstrated a multifaceted primary genetic response of M. tuberculosis to the action of nitrofurans. All three 11-treated subcultures independently presented the same six SNPs, which suggests their non-random occurrence and likely causative relationship between compound action and possible resistance mechanism.
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Affiliation(s)
- Igor Mokrousov
- Laboratory of Molecular Epidemiology and Evolutionary Genetics, St. Petersburg Pasteur Institute, 197101 St. Petersburg, Russia
- Henan International Joint Laboratory of Children’s Infectious Diseases, Children’s Hospital Affiliated to Zhengzhou University, Zhengzhou 450018, China
- Correspondence: (I.M.); (G.M.D.)
| | - Ivaylo Slavchev
- Institute of Organic Chemistry with Centre of Phytochemistry, Acad. G. Bonchev Street, bl. 9, 1113 Sofia, Bulgaria
| | - Natalia Solovieva
- St. Petersburg Research Institute of Phthisiopulmonology, 191036 St. Petersburg, Russia
| | - Marine Dogonadze
- St. Petersburg Research Institute of Phthisiopulmonology, 191036 St. Petersburg, Russia
| | - Anna Vyazovaya
- Laboratory of Molecular Epidemiology and Evolutionary Genetics, St. Petersburg Pasteur Institute, 197101 St. Petersburg, Russia
| | - Violeta Valcheva
- The Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, bl. 26, 1113 Sofia, Bulgaria
| | - Aleksey Masharsky
- Resource Center “Bio-bank Center”, Research Park of St. Petersburg State University, 198504 St. Petersburg, Russia
| | - Olesya Belopolskaya
- Resource Center “Bio-bank Center”, Research Park of St. Petersburg State University, 198504 St. Petersburg, Russia
| | - Simeon Dimitrov
- The Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, bl. 26, 1113 Sofia, Bulgaria
| | - Viacheslav Zhuravlev
- St. Petersburg Research Institute of Phthisiopulmonology, 191036 St. Petersburg, Russia
| | - Isabel Portugal
- iMed.ULisboa–Instituto de Investigação do Medicamento, Faculdade de Farmácia, Universidade de Lisboa, 1649004 Lisbon, Portugal
| | - João Perdigão
- iMed.ULisboa–Instituto de Investigação do Medicamento, Faculdade de Farmácia, Universidade de Lisboa, 1649004 Lisbon, Portugal
| | - Georgi M. Dobrikov
- Institute of Organic Chemistry with Centre of Phytochemistry, Acad. G. Bonchev Street, bl. 9, 1113 Sofia, Bulgaria
- Correspondence: (I.M.); (G.M.D.)
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7
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Zhao Y, Shang S, Song Y, Li T, Han M, Qin Y, Wei M, Xi J, Tang B. Sulforaphane kills Mycobacterium tuberculosis H37Ra and Mycobacterium smegmatis mc2155 through a reactive oxygen species dependent mechanism. J Microbiol 2022; 60:1095-1105. [DOI: 10.1007/s12275-022-2284-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 08/09/2022] [Accepted: 08/22/2022] [Indexed: 10/14/2022]
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8
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Metre TV, Joshi SD, Kodasi B, Bayannavar PK, Nesaragi AR, Madar SF, Mavazzan AR, Kamble RR. L-proline catalyzed ring transformation of 5-substituted tetrazole to 1,3,4-oxadiazoles as anti-tubercular agents. SYNTHETIC COMMUN 2022. [DOI: 10.1080/00397911.2022.2097874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
| | - Shrinivas D. Joshi
- Department of Pharmaceutical Chemistry, S.E.T’s College of Pharmacy, Sangolli Rayanna Nagar, Dharwad, India
| | - Barnabas Kodasi
- Department of Chemistry, Karnatak University, Dharwad, India
| | | | | | - Suresh F. Madar
- Department of Chemistry, Karnatak University, Dharwad, India
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9
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Desai N, Monapara J, Jethawa A, Khedkar V, Shingate B. Oxadiazole: A highly versatile scaffold in drug discovery. Arch Pharm (Weinheim) 2022; 355:e2200123. [PMID: 35575467 DOI: 10.1002/ardp.202200123] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 04/11/2022] [Accepted: 04/14/2022] [Indexed: 12/26/2022]
Abstract
As a pharmacologically important heterocycle, oxadiazole paved the way to combat the problem associated with the confluence of many commercially available drugs with different pharmacological profiles. The present review focuses on the potential applications of five-membered heterocyclic oxadiazole derivatives, especially 1,2,4-oxadiazole, 1,2,5-oxadiazole, and 1,3,4-oxadiazole, as therapeutic agents. Designing new hybrid molecules containing the oxadiazole moiety is a better solution for the development of new drug molecules. The designed molecules may accumulate a biological profile better than those of the drugs currently available on the market. The present review will guide the way for researchers in the field of medicinal chemistry to design new biologically active molecules based on the oxadiazole nucleus. Antitubercular, antimalarial, anti-inflammatory, anti-HIV, antibacterial, and anticancer activities of various oxadiazoles have been reviewed extensively here.
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Affiliation(s)
- Nisheeth Desai
- Division of Medicinal Chemistry, Department of Chemistry, Mahatma Gandhi Campus, Maharaja Krishnakumarsinhji Bhavnagar University, Bhavnagar, Gujarat, India
| | - Jahnvi Monapara
- Division of Medicinal Chemistry, Department of Chemistry, Mahatma Gandhi Campus, Maharaja Krishnakumarsinhji Bhavnagar University, Bhavnagar, Gujarat, India
| | - Aratiba Jethawa
- Division of Medicinal Chemistry, Department of Chemistry, Mahatma Gandhi Campus, Maharaja Krishnakumarsinhji Bhavnagar University, Bhavnagar, Gujarat, India
| | - Vijay Khedkar
- School of Pharmacy, Vishwakarma University, Pune, Maharashtra, India
| | - Bapurao Shingate
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, Maharashtra, India
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10
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El-Kalyoubi SA, Taher ES, Ibrahim TS, El-Behairy MF, Al-Mahmoudy AMM. Uracil as a Zn-Binding Bioisostere of the Allergic Benzenesulfonamide in the Design of Quinoline–Uracil Hybrids as Anticancer Carbonic Anhydrase Inhibitors. Pharmaceuticals (Basel) 2022; 15:ph15050494. [PMID: 35631321 PMCID: PMC9146896 DOI: 10.3390/ph15050494] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 04/10/2022] [Accepted: 04/15/2022] [Indexed: 02/06/2023] Open
Abstract
A series of quinoline–uracil hybrids (10a–l) has been rationalized and synthesized. The inhibitory activity against hCA isoforms I, II, IX, and XII was explored. Compounds 10a–l demonstrated powerful inhibitory activity against all tested hCA isoforms. Compound 10h displayed the best selectivity profile with good activity. Compound 10d displayed the best activity profile with minimal selectivity. Compound 10l emerged as the best congener considering both activity (IC50 = 140 and 190 nM for hCA IX and hCA XII, respectively) and selectivity (S.I. = 13.20 and 9.75 for II/IX, and II/XII, respectively). The most active hybrids were assayed for antiproliferative and pro-apoptotic activities against MCF-7 and A549. In silico studies, molecular docking, physicochemical parameters, and ADMET analysis were performed to explain the acquired CA inhibitory action of all hybrids. A study of the structure–activity relationship revealed that bulky substituents at uracil N-1 were unfavored for activity while substituted quinoline and thiouracil were effective for selectivity.
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Affiliation(s)
- Samar A. El-Kalyoubi
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy (Girls), Al-Azhar University, Nasr City, Cairo 11651, Egypt;
| | - Ehab S. Taher
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Al-Azhar University, Assiut 71524, Egypt;
| | - Tarek S. Ibrahim
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt;
- Correspondence:
| | - Mohammed Farrag El-Behairy
- Department of Organic and Medicinal Chemistry, Faculty of Pharmacy, University of Sadat City, Menoufiya 32897, Egypt;
| | - Amany M. M. Al-Mahmoudy
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt;
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11
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Hebade MJ, Dhumal ST, Kamble SS, Deshmukh TR, Khedkar VM, Hese SV, Gacche RN, Dawane BS. DTP/SiO 2 Assisted Synthesis of New Benzimidazole-Thiazole Conjugates Targeting Antitubercular and Antioxidant Activities. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2056210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Madhav J. Hebade
- Department of Chemistry, Badrinarayan Barwale Mahavidyalaya, Jalna, Maharashtra, India
| | - Sambhaji T. Dhumal
- Department of Chemistry, Ramkrishna Paramhansa Mahavidyalaya, Osmanabad, Maharashtra, India
| | - Sonali S. Kamble
- Department of Biochemistry, Gramin Science (Vocational) College, Nanded, Maharashtra, India
| | - Tejshri R. Deshmukh
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, India
| | - Vijay M. Khedkar
- Department of Pharmaceutical Chemistry, School of Pharmacy, Vishwakarma University, Pune, Maharashtra, India
| | - Shrikant V. Hese
- Department of Chemistry, D. D. Bhoyar College of Arts and Science Mouda, Nagpur, India
| | - Rajesh N. Gacche
- Department of Biotechnology, Savitribai Phule Pune University, Pune, Maharashtra, India
| | - Bhaskar S. Dawane
- School of Chemical Sciences, Swami Ramanand Teerth Marathwada University, Nanded, India
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12
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Molecular perturbations in pulmonary tuberculosis patients identified by pathway-level analysis of plasma metabolic features. PLoS One 2022; 17:e0262545. [PMID: 35073339 PMCID: PMC8786114 DOI: 10.1371/journal.pone.0262545] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Accepted: 12/28/2021] [Indexed: 02/05/2023] Open
Abstract
Insight into the metabolic biosignature of tuberculosis (TB) may inform clinical care, reduce adverse effects, and facilitate metabolism-informed therapeutic development. However, studies often yield inconsistent findings regarding the metabolic profiles of TB. Herein, we conducted an untargeted metabolomics study using plasma from 63 Korean TB patients and 50 controls. Metabolic features were integrated with the data of another cohort from China (35 TB patients and 35 controls) for a global functional meta-analysis. Specifically, all features were matched to a known biological network to identify potential endogenous metabolites. Next, a pathway-level gene set enrichment analysis-based analysis was conducted for each study and the resulting p-values from the pathways of two studies were combined. The meta-analysis revealed both known metabolic alterations and novel processes. For instance, retinol metabolism and cholecalciferol metabolism, which are associated with TB risk and outcome, were altered in plasma from TB patients; proinflammatory lipid mediators were significantly enriched. Furthermore, metabolic processes linked to the innate immune responses and possible interactions between the host and the bacillus showed altered signals. In conclusion, our proof-of-concept study indicated that a pathway-level meta-analysis directly from metabolic features enables accurate interpretation of TB molecular profiles.
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13
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Jiang X, Jiang Y, Liu Q, Li B, Shi DQ, Zhao Y. Visible-Light-Induced para-Difluoroalkylation of Aniline Derivatives. J Org Chem 2022; 87:3546-3554. [PMID: 35170321 DOI: 10.1021/acs.joc.1c03095] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Visible-light-induced, iridium catalyzed, para-selective C-H difluoroalkylation of aniline derivatives under mild reaction conditions is reported. Various substrates and bioactive compounds, such as precursors of vorinostat and chlorpropham, were all well tolerated. This protocol features a wide substrate scope, high regioselectivity, low catalyst usage, and operational simplicity.
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Affiliation(s)
- Xipeng Jiang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
| | - Yaqiqi Jiang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
| | - Qianqian Liu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
| | - Bao Li
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453000, PR China
| | - Da-Qing Shi
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
| | - Yingsheng Zhao
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453000, PR China
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14
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Van de Walle T, Cools L, Mangelinckx S, D'hooghe M. Recent contributions of quinolines to antimalarial and anticancer drug discovery research. Eur J Med Chem 2021; 226:113865. [PMID: 34655985 DOI: 10.1016/j.ejmech.2021.113865] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 09/01/2021] [Accepted: 09/20/2021] [Indexed: 12/28/2022]
Abstract
Quinoline, a privileged scaffold in medicinal chemistry, has always been associated with a multitude of biological activities. Especially in antimalarial and anticancer research, quinoline played (and still plays) a central role, giving rise to the development of an array of quinoline-containing pharmaceuticals in these therapeutic areas. However, both diseases still affect millions of people every year, pointing to the necessity of new therapies. Quinolines have a long-standing history as antimalarial agents, but established quinoline-containing antimalarial drugs are now facing widespread resistance of the Plasmodium parasite. Nevertheless, as evidenced by a massive number of recent literature contributions, they are still of great value for future developments in this field. On the other hand, the number of currently approved anticancer drugs containing a quinoline scaffold are limited, but a strong increase and interest in quinoline compounds as potential anticancer agents can be seen in the last few years. In this review, a literature overview of recent contributions made by quinoline-containing compounds as potent antimalarial or anticancer agents is provided, covering publications between 2018 and 2020.
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Affiliation(s)
- Tim Van de Walle
- SynBioC Research Group, Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000, Ghent, Belgium
| | - Lore Cools
- SynBioC Research Group, Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000, Ghent, Belgium
| | - Sven Mangelinckx
- SynBioC Research Group, Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000, Ghent, Belgium
| | - Matthias D'hooghe
- SynBioC Research Group, Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000, Ghent, Belgium.
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15
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Jiang Y, Li B, Ma N, Shu S, Chen Y, Yang S, Huang Z, Shi D, Zhao Y. Photoredox‐Catalyst‐Enabled
para
‐Selective Trifluoromethylation of
tert
‐Butyl Arylcarbamates. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202105631] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yaqiqi Jiang
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science, Soochow University Suzhou 215123 P. R. China
- School of Chemistry and Chemical Engineering Henan Normal University Xinxiang 453000 P. R. China
| | - Bao Li
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals Key Laboratory of Green Chemical Media and Reactions Ministry of Education School of Chemistry and Chemical Engineering Henan Normal University Xinxiang 453000 P. R. China
| | - Nana Ma
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals Key Laboratory of Green Chemical Media and Reactions Ministry of Education School of Chemistry and Chemical Engineering Henan Normal University Xinxiang 453000 P. R. China
| | - Sai Shu
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science, Soochow University Suzhou 215123 P. R. China
- School of Chemistry and Chemical Engineering Henan Normal University Xinxiang 453000 P. R. China
| | - Yujie Chen
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science, Soochow University Suzhou 215123 P. R. China
- School of Chemistry and Chemical Engineering Henan Normal University Xinxiang 453000 P. R. China
| | - Shan Yang
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science, Soochow University Suzhou 215123 P. R. China
- School of Chemistry and Chemical Engineering Henan Normal University Xinxiang 453000 P. R. China
| | - Zhibin Huang
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science, Soochow University Suzhou 215123 P. R. China
- School of Chemistry and Chemical Engineering Henan Normal University Xinxiang 453000 P. R. China
| | - Daqing Shi
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science, Soochow University Suzhou 215123 P. R. China
- School of Chemistry and Chemical Engineering Henan Normal University Xinxiang 453000 P. R. China
| | - Yingsheng Zhao
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science, Soochow University Suzhou 215123 P. R. China
- School of Chemistry and Chemical Engineering Henan Normal University Xinxiang 453000 P. R. China
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16
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Jiang Y, Li B, Ma N, Shu S, Chen Y, Yang S, Huang Z, Shi D, Zhao Y. Photoredox-Catalyst-Enabled para-Selective Trifluoromethylation of tert-Butyl Arylcarbamates. Angew Chem Int Ed Engl 2021; 60:19030-19034. [PMID: 34160867 DOI: 10.1002/anie.202105631] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 06/22/2021] [Indexed: 01/26/2023]
Abstract
The direct incorporation of a trifluoromethyl group on an aromatic ring using a radical pathway has been extensively investigated. However, the direct highly para-selective C-H trifluoromethylation of a class of arenes has not been achieved. In this study, we report a light-promoted 4,5-dichlorofluorescein (DCFS)-enabled para-selective C-H trifluoromethylation of arylcarbamates using Langlois reagent. The preliminary mechanistic study revealed that the activated organic photocatalyst coordinated with the arylcarbamate led to para-selective C-H trifluoromethylation. Ten-gram scale reaction performs well highlighting the synthetic importance of this new protocol.
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Affiliation(s)
- Yaqiqi Jiang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, 453000, P. R. China
| | - Bao Li
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, 453000, P. R. China
| | - Nana Ma
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, 453000, P. R. China
| | - Sai Shu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, 453000, P. R. China
| | - Yujie Chen
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, 453000, P. R. China
| | - Shan Yang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, 453000, P. R. China
| | - Zhibin Huang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, 453000, P. R. China
| | - Daqing Shi
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, 453000, P. R. China
| | - Yingsheng Zhao
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, 453000, P. R. China
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17
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Liu KL, Teng F, Xiong L, Li X, Gao C, Yu LT. Discovery of quinolone derivatives as antimycobacterial agents. RSC Adv 2021; 11:24095-24115. [PMID: 35479020 PMCID: PMC9036655 DOI: 10.1039/d0ra09250a] [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: 10/30/2020] [Accepted: 06/28/2021] [Indexed: 02/05/2023] Open
Abstract
Tuberculosis (TB), an infectious disease caused by Mycobacterium tuberculosis (M. tuberculosis), is an important public health issue. Current first-line drugs administered to TB patients have been in use for over 40 years, whereas second-line drugs display strong side effects and poor compliance. Additionally, designing effective regimens to treat patients infected with multi- and extremely-drug-resistant (MDR and XDR) strains of TB is challenging. In this report, we screened our compound library and identified compound 1 with antituberculosis activity and a minimal inhibitory concentration (MIC) against M. tuberculosis of 20 μg mL-1. Structure optimization and the structure-activity relationship of 1 as the lead compound enabled the design and synthesis of a series of quinolone derivatives, 6a1-6a2, 6b1-6b36, 6c1, 6d1-6d14, 7a1-7a2, 7b1-7b2, 7c1, 8a1-8a5, 9a1-9a4 and 10a1-10a6. These compounds were evaluated in vitro for anti-tubercular activity against the M. tuberculosis H37Rv strain. Among them, compounds 6b6, 6b12 and 6b21 exhibited MIC values in the range of 1.2-3 μg mL-1 and showed excellent activity against the tested MDR-TB strain (MIC: 3, 2.9 and 0.9 μg mL-1, respectively). All three compounds were non-toxic toward A549 and Vero cells (>100 and >50 μg mL-1, respectively). In addition, an antibacterial spectrum test carried out using compound 6b21 showed that this compound specifically inhibits M. tuberculosis. These can serve as a new starting point for the development of anti-TB agents with therapeutic potential.
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Affiliation(s)
- Kun-Lin Liu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Collaborative Innovation Center Chengdu 610041 China
| | - Fei Teng
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Collaborative Innovation Center Chengdu 610041 China
| | - Lu Xiong
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Collaborative Innovation Center Chengdu 610041 China
| | - Xiao Li
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Collaborative Innovation Center Chengdu 610041 China
| | - Chao Gao
- Laboratory of Human Diseases and Immunotherapies, West China Hospital, Sichuan University Chengdu 610041 China
| | - Luo-Ting Yu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Collaborative Innovation Center Chengdu 610041 China
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18
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Swain SS, Sharma D, Hussain T, Pati S. Molecular mechanisms of underlying genetic factors and associated mutations for drug resistance in Mycobacterium tuberculosis. Emerg Microbes Infect 2021; 9:1651-1663. [PMID: 32573374 PMCID: PMC7473167 DOI: 10.1080/22221751.2020.1785334] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Nowadays, drug-resistant tuberculosis (DR-TB) and co-infected tuberculosis (CI-TB) strains are the leading cause for the enhancement of long-term morbidity and unpredicted mortality rates from this ghoulish acid fast-bacterium infection, globally. Unfortunately, the lack of/ample lethargic towards the development of compelling anti-TB regimens with a large-scale prevalence rate is a great challenge towards control of the pandemic situation. Indeed, the recent improvement in genomic studies for early diagnosis and understanding the mechanisms of drug resistance, as well as the identification of newer drug targets is quite remarkable and promising. Mainly, identification of such genetic factors, chromosomal mutations and associated pathways gives new ray of hope in current anti-TB drug discovery. This focused review provides molecular insights into the updated drug resistance mechanisms with encoded bacilli genetic factors as a novel target and potential source of development with screened-out newer anti-TB agents towards the control of MDR-TB soon.
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Affiliation(s)
- Shasank S Swain
- Division of Microbiology and NCDs, ICMR-Regional Medical Research Centre, Bhubaneswar, India
| | - Divakar Sharma
- CRF, Mass Spectrometry Laboratory, Kusuma School of Biological Sciences (KSBS), Indian Institute of Technology-Delhi (IIT-D), Delhi, India
| | - Tahziba Hussain
- Division of Microbiology and NCDs, ICMR-Regional Medical Research Centre, Bhubaneswar, India
| | - Sanghamitra Pati
- Division of Public Health and Research, ICMR-Regional Medical Research Centre, Bhubaneswar, India
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19
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Al-Khattaf FS, Mani A, Atef Hatamleh A, Akbar I. Antimicrobial and cytotoxic activities of isoniazid connected menthone derivatives and their investigation of clinical pathogens causing infectious disease. J Infect Public Health 2021; 14:533-542. [PMID: 33744741 DOI: 10.1016/j.jiph.2020.12.033] [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: 11/16/2020] [Revised: 12/20/2020] [Accepted: 12/26/2020] [Indexed: 10/22/2022] Open
Abstract
BACKGROUND This work is development of new molecules of isoniazid derivatives as dealing with potential of antimicrobial activity against clinical pathogens causing infectious disease. Antimicrobial of novel Mannich base derivatives can be achieved via one-pot synthesis in green chemistry approach. This method offers efficient, mild reaction conditions and high yields. In this study, totally 12 compounds (1a-l) was prepared and screened for cytotoxic and antimicrobial activities. MATERIALS AND METHODS Newly synthesised compounds were conformed via FT- IR, 1H, and 13C NMR (Nuclear Magnetic Resonance), and mass spectra analysis. All compounds were checked antibacterial activity against gram-positive bacteria of Enterococcus faecalis, Staphylococcus aureus and gram-negative bacteria of Pseudomonas aeruginosa, Klebsiella pneumoniae and Escherichia coli. All compounds were checked against antifungal activity against Aspergillus fumigatus, Candida albicans, Cryptococcus neoformans, Aspergillus niger, and Microsporum audouinii. All compounds were screened for cytotoxic activity against the MCF-7 (Michigan Cancer Foundation-7) cancer cell line. RESULT The compound 1g was highly (MIC: 0.25 μg/mL) active against gram-negative bacterial of P. aeruginosa, whereas other compounds 1e and 1h were more active (MIC: 2 μg/mL) in K. pneumoniae and also 1g (MIC: 2 μg/mL) was more active in E. faecalis than standard ciprofloxacin. Antifungal screening, the compound 1b was highly active (MIC: 0.25 μg/mL) against C. albicance,1g (MIC: 2 μg/mL) and 1h (MIC: 4 μg/mL) was significant of active against A. fumigatus, and the compound 1c (MIC: 4 μg/mL) was extremely active in M. audouinii than clotrimazole. Compound 1g (GI50 = 0.01 μM) exhibited high activity against the MCF-7 cell line, while 1b (GI50 = 0.02 μM) was equipotent active compared with standard doxorubicin. CONCLUSION A novel set of isoniazid derivatives (1a-l) and 1h were synthesized and screened for antimicrobial and cytotoxic activities. We found some highly active molecules, which are evidencing to be a potential treatment of bacterial and fungal infection candidates.
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Affiliation(s)
- Fatimah S Al-Khattaf
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Arunadevi Mani
- Research Department of Chemistry, Nehru Memorial College (Affiliated with the Bharathidasan University), Puthanampatti-621007, Tiruchirappalli District, Tamil Nadu, India
| | - Ashraf Atef Hatamleh
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Idhayadhulla Akbar
- Research Department of Chemistry, Nehru Memorial College (Affiliated with the Bharathidasan University), Puthanampatti-621007, Tiruchirappalli District, Tamil Nadu, India.
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20
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Bahuguna A, Rawat S, Rawat DS. QcrB in Mycobacterium tuberculosis: The new drug target of antitubercular agents. Med Res Rev 2021; 41:2565-2581. [PMID: 33400275 DOI: 10.1002/med.21779] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 11/23/2020] [Accepted: 12/12/2020] [Indexed: 11/08/2022]
Abstract
Drug-resistance in mycobacterial infections is a major global health problem that leads to high mortality and socioeconomic pressure in developing countries around the world. From finding new targets to discovering novel chemical scaffolds, there is an urgent need for the development of better approaches for the cure of tuberculosis. Recently, energy metabolism in mycobacteria, particularly the oxidative phosphorylation pathway of cellular respiration, has emerged as a novel target pathway in drug discovery. New classes of antibacterials which target oxidative phosphorylation pathway either by interacting with a protein or any step in the pathway of oxidative phosphorylation can combat dormant mycobacterial infections leading to shortening of tuberculosis chemotherapy. Adenosine triphosphate synthase is one such recently discovered target of the newly approved antitubercular drug bedaquiline. Cytochrome bcc is another new target of the antitubercular drug candidate Q203, currently in phase II clinical trial. Research suggests that b subunit of cytochrome bcc, QcrB, is the target of Q203. The review article describes the structure, function, and importance of targeting QcrB throwing light on all chemical classes of QcrB inhibitors discovered to date. An understanding of the structure and function of validated targets and their inhibitors would enable the development of new chemical entities.
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Affiliation(s)
| | - Srishti Rawat
- Department of Chemistry, University of Delhi, Delhi, India
| | - Diwan S Rawat
- Department of Chemistry, University of Delhi, Delhi, India
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21
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Borad MA, Jethava DJ, Bhoi MN, Patel CN, Pandya HA, Patel HD. Novel isoniazid-spirooxindole derivatives: design, synthesis, biological evaluation, in silico ADMET prediction and computational studies. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128881] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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22
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Niveditha N, Begum M, Prathibha D, Sirisha K, Mahender P, Chitra C, Rao VR, Reddy VM, Achaiah G. Design, Synthesis and Pharmacological Evaluation of Some C 3 Heterocyclic-Substituted Ciprofloxacin Derivatives as Chimeric Antitubercular Agents. Chem Pharm Bull (Tokyo) 2020; 68:1170-1177. [DOI: 10.1248/cpb.c20-00525] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Nakka Niveditha
- Medicinal Chemistry Research Division, Vaagdevi College of Pharmacy
| | - Munnisa Begum
- Medicinal Chemistry Research Division, Vaagdevi College of Pharmacy
| | | | - Kalam Sirisha
- Medicinal Chemistry Research Division, Vaagdevi College of Pharmacy
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23
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A study of antituberculosis activities and crystal structures of (E)-2-[2-(arylidene)hydrazinyl]pyrimidine and (E)-N
1-(arylidene)pyrimidine-2-carbohydrazide derivatives. ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES 2020. [DOI: 10.1515/znb-2020-0108] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Abstract
A study of the anti-tuberculosis activity against Mycobacterium tuberculosis ATTC 27294 and an X-ray structural determination of (E)-2-[2-(arylidene)hydrazinyl]pyrimidine, 1, and (E)-N
1-(arylidene)pyrimidine-2-carbohydazide, 2, derivatives are presented. The effect of the substituents in the aryl moiety on the antituberculosis (anti-TB) activities of 1 and 2 is compared with that of other heteroaryl hydrazonyl and acylhydrazonyl derivatives. The biological activities of 1 do not depend on the coordinating ability of the substituted aryl group: in 2, the most effective aryl group is 5-nitrofuranyl. The structure determinations of (E)-2-((2-(pyrimidin-2-yl)hydrazono)methyl)-phenol, (E)-N′-(2,5-dihydroxybenzylidene)pyrimidine-2-carbohydrazide and of the hydrate of (E)-N′-(2-hydroxy-4-methylbenzylidene)pyrimidine-2-carbohydrazide, and a literature search of related structures in the CCDC data base, allowed an examination of the more important interactions, including the occurrence of X–Y⋯π interactions.
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24
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Fotopoulos I, Hadjipavlou-Litina D. Hybrids of Coumarin Derivatives as Potent and Multifunctional Bioactive Agents: A Review. Med Chem 2020; 16:272-306. [PMID: 31038071 DOI: 10.2174/1573406415666190416121448] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 03/22/2019] [Accepted: 04/09/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND Coumarins exhibit a plethora of biological activities, e.g. antiinflammatory and anti-tumor. Molecular hybridization technique has been implemented in the design of novel coumarin hybrids with several bioactive groups in order to obtain molecules with better pharmacological activity and improved pharmacokinetic profile. OBJECTIVE Therefore, we tried to gather as many as possible biologically active coumarin hybrids referred in the literature till now, to delineate the structural characteristics in relation to the activities and to have a survey that might help the medicinal chemists to design new coumarin hybrids with drug-likeness and varied bioactivities. RESULTS The biological activities of the hybrids in most of the cases were found to be different from the biological activities presented by the parent coumarins. The results showed that the hybrid molecules are more potent compared to the standard drugs used in the evaluation experiments. CONCLUSION Conjugation of coumarin with varied pharmacophore groups/druglike molecules responsible for different biological activities led to many novel hybrid molecules, with a multitarget behavior and improved pharmacokinetic properties.
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Affiliation(s)
- Ioannis Fotopoulos
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Dimitra Hadjipavlou-Litina
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
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25
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Naphthalenes and Quinolines by Domino Reactions of Morita-Baylis-Hillman Acetates. Molecules 2020; 25:molecules25215168. [PMID: 33172000 PMCID: PMC7664194 DOI: 10.3390/molecules25215168] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 10/26/2020] [Accepted: 10/27/2020] [Indexed: 12/02/2022] Open
Abstract
An efficient synthetic route to highly functionalized naphthalenes and quinolines has been developed using domino reactions between Morita–Baylis–Hillman (MBH) acetates and active methylene compounds (AMCs) promoted by anhydrous K2CO3 in dry N,N-dimethylformamide (DMF) at 23 °C. The substrates incorporate allylic acetates positioned adjacent to a Michael acceptor as well as an aromatic ring activated toward a SNAr ring closure. A control experiment indicated that the initial reaction was an SN2’-type displacement of a side chain acetoxy by the AMC anion to afford the alkene product bearing the added nucleophile trans to the SNAr aromatic ring acceptor. Thus, equilibration of the alkene geometry of the initial product was required prior to cyclization. Products were isolated in good to excellent yields. Numerous cases (24) are reported, and several mechanistic possibilities are discussed.
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Verma SK, Verma R, Verma S, Vaishnav Y, Tiwari SP, Rakesh KP. Anti-tuberculosis activity and its structure-activity relationship (SAR) studies of oxadiazole derivatives: A key review. Eur J Med Chem 2020; 209:112886. [PMID: 33032083 DOI: 10.1016/j.ejmech.2020.112886] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 08/19/2020] [Accepted: 09/23/2020] [Indexed: 01/09/2023]
Abstract
With the increasing number of cases of inactive and drug-resistance tuberculosis, there is an urgent need to develop new potent molecules set for fighting this brutal disease. Medicinal chemistry concerns the discovery, the development, the identification, and the interpretation of the mode of action of biologically active compounds at the molecular level. Molecules bearing oxadiazoles are one such class that could be considered to satisfy this need. Oxadiazole regioisomers have been investigated in drug discovery programs for their capacity to go about as powerful linkers and as pharmacophoric highlights. Oxadiazoles can go about as bioisosteric substitutions for the hydrazide moiety which can be found in first-line anti-TB drugs, and some have been likewise answered to cooperate with more current anti-TB targets. This present review summarizes the current innovations of oxadiazole-based derivatives with potential antituberculosis activity and bacteria discussing various aspects of structure-activity relationship (SAR).
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Affiliation(s)
- Santosh Kumar Verma
- School of Chemistry and Chemical Engineering, Yulin University, Yulin, 719000, Shaanxi, PR China; Shaanxi Key Laboratory of Low Metamorphic Coal Clean Utilization, Yulin University, Yulin, 719000, Shaanxi, PR China
| | - Rameshwari Verma
- School of Chemistry and Chemical Engineering, Yulin University, Yulin, 719000, Shaanxi, PR China; Shaanxi Key Laboratory of Low Metamorphic Coal Clean Utilization, Yulin University, Yulin, 719000, Shaanxi, PR China.
| | - Shekhar Verma
- University College of Pharmacy Raipur, Pt. Deendayal Upadhyay Memorial Health, Sciences and Aayush University of Chhattisgarh, Raipur, 492010, Chhattisgarh, India
| | - Yogesh Vaishnav
- Shri Shankaracharya Technical Campus, Shri Shankaracharya Group of Institutions, Bhilai, 491001, Chhattisgarh, India
| | - S P Tiwari
- School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, Shaanxi, PR China
| | - K P Rakesh
- School of Material Science and Engineering, Wuhan Institute of Technology, Wuhan, 430073, PR China.
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Badar AD, Sulakhe SM, Muluk MB, Rehman NNMA, Dixit PP, Choudhari PB, Rekha EM, Sriram D, Haval KP. Synthesis of isoniazid‐1,2,3‐triazole conjugates: Antitubercular, antimicrobial evaluation and molecular docking study. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.4072] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Adinath D. Badar
- Department of Chemistry Dr. Babasaheb Ambedkar Marathwada University SubCampus Osmanabad India
| | - Shubham M. Sulakhe
- Department of Chemistry Dr. Babasaheb Ambedkar Marathwada University SubCampus Osmanabad India
| | - Mahesh B. Muluk
- Department of Chemistry Dr. Babasaheb Ambedkar Marathwada University SubCampus Osmanabad India
| | - Naziya N. M. A. Rehman
- Department of Microbiology Dr. Babasaheb Ambedkar Marathwada University SubCampus Osmanabad India
| | - Prashant P. Dixit
- Department of Microbiology Dr. Babasaheb Ambedkar Marathwada University SubCampus Osmanabad India
| | - Prafulla B. Choudhari
- Department of Pharmaceutical Chemistry Bharati Vidyapeeth College of Pharmacy Kolhapur India
| | - Estharla Madhu Rekha
- Department of Pharmacy Birla Institute of Technology and Science‐Pilani Hyderabad India
| | - Dharmarajan Sriram
- Department of Pharmacy Birla Institute of Technology and Science‐Pilani Hyderabad India
| | - Kishan P. Haval
- Department of Chemistry Dr. Babasaheb Ambedkar Marathwada University SubCampus Osmanabad India
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Patil PS, Kasare SL, Haval NB, Khedkar VM, Dixit PP, Rekha EM, Sriram D, Haval KP. Novel isoniazid embedded triazole derivatives: Synthesis, antitubercular and antimicrobial activity evaluation. Bioorg Med Chem Lett 2020; 30:127434. [PMID: 32717369 DOI: 10.1016/j.bmcl.2020.127434] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Revised: 06/17/2020] [Accepted: 07/21/2020] [Indexed: 12/24/2022]
Abstract
In the present study, a series of new isoniazid embedded triazole derivatives have been synthesized. These compounds were evaluated for their in vitro antitubercular and antimicrobial activities. Among the screened compounds, six have exhibited potent antitubercular activity against Mycobacterium tuberculosis H37Rv strain with MIC value 0.78 μg/mL, whereas, three compounds have displayed activity with MIC value ranging from 1.56 to 3.125 μg/mL. The cytotoxicity of the active compounds was studied against RAW 264.7 cell line by MTT assay and no toxicity was observed even at 25 μg/mL concentration. The five compounds have displayed good antimicrobial activities. Molecular docking have been performed against mycobacterial InhA enzyme to gain an insight into the plausible mechanism of action which could pave the way for our endeavor to identify potent antitubercular candidates. We believe that further optimization of these molecules may lead to potent antitubercular agents.
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Affiliation(s)
- Pravin S Patil
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University SubCampus, Osmanabad 413501, MS, India
| | - Sanghratna L Kasare
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University SubCampus, Osmanabad 413501, MS, India
| | - Nitin B Haval
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University SubCampus, Osmanabad 413501, MS, India
| | - Vijay M Khedkar
- Department of Pharmaceutical Chemistry, School of Pharmacy, Vishwakarma University, Pune 411048, MS, India
| | - Prashant P Dixit
- Department of Microbiology, Dr. Babasaheb Ambedkar Marathwada University SubCampus, Osmanabad 413501, MS, India
| | - Estharla Madhu Rekha
- Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Jawahar Nagar, Shameerpet Mandal, R. R. District, Hyderabad 500078, India
| | - Dharmarajan Sriram
- Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Jawahar Nagar, Shameerpet Mandal, R. R. District, Hyderabad 500078, India
| | - Kishan P Haval
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University SubCampus, Osmanabad 413501, MS, India.
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Abstract
Abstract
Using purine as a scaffold, the methods for preparation of novel 2-aminopurine and purine derivatives substituted at position C
6 by the fragments of natural amino acids, short peptides, and N-heterocycles, including enantiopure ones, have been proposed. The methods for determination of the enantiomeric purity of the obtained chiral compounds have been developed. Conjugates exhibiting high antimycobacterial or anti-herpesvirus activity against both laboratory and multidrug-resistant strains were revealed among the obtained compounds.
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Pneumonia caused by Mycobacterium tuberculosis. Microbes Infect 2020; 22:278-284. [PMID: 32561408 PMCID: PMC7297158 DOI: 10.1016/j.micinf.2020.05.020] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Revised: 05/23/2020] [Accepted: 05/25/2020] [Indexed: 12/17/2022]
Abstract
Tuberculosis (TB) is one of the top ten leading causes of death worldwide. The causative agent of TB is Mycobacterium tuberculosis. Acute tuberculous pneumonia (TP) is an acute form of pulmonary TB. However, acute TP and non-tuberculous community-acquired pneumonia can be easily confused, resulting in deterioration of TP due to delayed treatment. Therefore, rapid and accurate diagnosis of acute TP is crucial in order to stop the transmission of TB. Moreover, development of new diagnostic tools (technologies and approaches), and flexible application of different therapy schemes will help to reduce the incidence of TP and promote the goal of ending the TB epidemic.
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Krishna VS, Zheng S, Rekha EM, Nallangi R, Sai Prasad D, George SE, Guddat LW, Sriram D. Design and development of ((4-methoxyphenyl)carbamoyl) (5-(5-nitrothiophen-2-yl)-1,3,4-thiadiazol-2-yl)amide analogues as Mycobacterium tuberculosis ketol-acid reductoisomerase inhibitors. Eur J Med Chem 2020; 193:112178. [DOI: 10.1016/j.ejmech.2020.112178] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 02/12/2020] [Accepted: 02/20/2020] [Indexed: 01/17/2023]
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Kour P, Kumar A. Cinchonine-driven multi-component domino Knoevenagel–Michael strategy: metal-free synthesis of quinoline-based 4H-pyran and tetrahydro-4H-chromene derivatives. RESEARCH ON CHEMICAL INTERMEDIATES 2020. [DOI: 10.1007/s11164-020-04097-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Bis-(imidazole/benzimidazole)-pyridine derivatives: synthesis, structure and antimycobacterial activity. Future Med Chem 2020; 12:207-222. [PMID: 31916456 PMCID: PMC7421780 DOI: 10.4155/fmc-2019-0063] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Aim: Over the last decades, few significant achievements have been made in tuberculosis (TB) therapy. As a result, there is an urgent need for new anti-TB drugs. Results: Two new classes of bis-(imidazole/benzimidazole)-pyridine derivatives were designed, synthesized and evaluated for their antimycobacterial activity. Conclusion: The synthesis is efficient and straightforward, involving only two successive N-alkylations. The anti-TB assay reveal that our compounds have an excellent anti-TB activity against both replicating and nonreplicating Mtb, are not cytotoxic, exhibited a very good intracellular activity and are active against drug-resistant Mtb strains, some compounds have a bactericidal mechanism. The absorption, distribution, metabolism, excretion and toxicity studies performed for one compound are promising, indicating that it is a good candidate for a future drug.
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Exploring the Pharmacological Potentials of Biosurfactant Derived from Planococcus maritimus SAMP MCC 3013. Curr Microbiol 2020; 77:452-459. [PMID: 31897664 DOI: 10.1007/s00284-019-01850-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 12/17/2019] [Indexed: 10/25/2022]
Abstract
Therapeutic potential of biosurfactant (BS) has been improved in recent years. Our present study deals with production of BS from Planococcus maritimus SAMP MCC 3013 in a mineral salt medium (MSM) supplemented with glucose (1.5% w/v). Further, BS has been purified and partially characterized as glycolipid type through our previous publication. Current research article aimed to evaluate biological potential of BS against Mycobacterium tuberculosis, Plasmodium falciparum and cancerous cell lines. Planococcus derived glycolipid BS was found to be a promising inhibitor of M. tuberculosis (MTB) H37Ra at IC50 64.11 ± 1.64 μg/mL and MIC at 160.8 ± 1.64 μg/mL. BS also showed growth inhibition of P. falciparum at EC50 34.56 ± 0.26 µM. Additionally, BS also displayed the cytotoxicity against HeLa (IC50 41.41 ± 4.21 μg/mL), MCF-7 (IC50 42.79 ± 6.07 μg/mL) and HCT (IC50 31.233 ± 5.08 μg/mL) cell lines. Molecular docking analysis was carried for the most popular glycolipid type BS namely Rhamnolipid (RHL) aiming to interpret the possible binding interaction for anti-tubercular and anti-cancer activity. This analysis revealed the involvement of RHL binding with enoyl reductase (InhA) of M. tuberculosis. Docking studies of RHL with tubulin directed several hydrophobic and Vander Waal interactions to exhibit anti-cancer potential. The present study will be helpful for further development of marine bioactive molecules for therapeutic applications. Their anti-tubercular, anti-plasmodial and cytotoxic activities make BS molecules as a noteworthy candidate to combat several diseases. To the best of our knowledge, this is the first report on projecting the pharmacological potential of Planococcus derived BS.
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Mohammed HH, Abuo-Rahma GEDA, Abbas SH, Abdelhafez ESM. Current Trends and Future Directions of Fluoroquinolones. Curr Med Chem 2019; 26:3132-3149. [DOI: 10.2174/0929867325666180214122944] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2016] [Revised: 10/16/2017] [Accepted: 02/08/2018] [Indexed: 12/12/2022]
Abstract
Fluoroquinolones represent an interesting synthetic class of antimicrobial agents with broad spectrum and potent activity. Since the discovery of nalidixic acid, the prototype of quinolones, several structural modifications to the quinolone nucleus have been carried out for improvement of potency, spectrum of activity, and to understand their structure activity relationship (SAR). The C-7 substituent was reported to have a major impact on the activity. Accordingly, Substitution at C-7 or its N-4-piperazinyl moiety was found to affect potency, bioavailability, and physicochemical properties. Also, it can increase the affinity towards mammalian topoisomerases that may shift quinolones from antibacterial to anticancer candidates. Moreover, the presence of DNA topoisomerases in both eukaryotic and prokaryotic cells makes them excellent targets for chemotherapeutic intervention in antibacterial and anticancer therapies. Based on this concept, several fluoroquionolones derivatives have been synthesized and biologically evaluated as antibacterial, antituberculosis, antiproliferative, antiviral and antifungal agents. This review is an attempt to focus on the therapeutic prospects of fluoroquinolones with an updated account on their atypical applications such as antitubercular and anticancer activities.
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Affiliation(s)
- Hamada H.H. Mohammed
- Department of Medicinal Chemistry, Faculty of Pharmacy, Minia University, Minia 61519, Egypt
| | | | - Samar H. Abbas
- Department of Medicinal Chemistry, Faculty of Pharmacy, Minia University, Minia 61519, Egypt
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Karabanovich G, Dušek J, Savková K, Pavliš O, Pávková I, Korábečný J, Kučera T, Kočová Vlčková H, Huszár S, Konyariková Z, Konečná K, Jand'ourek O, Stolaříková J, Korduláková J, Vávrová K, Pávek P, Klimešová V, Hrabálek A, Mikušová K, Roh J. Development of 3,5-Dinitrophenyl-Containing 1,2,4-Triazoles and Their Trifluoromethyl Analogues as Highly Efficient Antitubercular Agents Inhibiting Decaprenylphosphoryl-β-d-ribofuranose 2'-Oxidase. J Med Chem 2019; 62:8115-8139. [PMID: 31393122 DOI: 10.1021/acs.jmedchem.9b00912] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
We report herein the discovery of 3,5-dinitrophenyl 1,2,4-triazoles with excellent and selective antimycobacterial activities against Mycobacterium tuberculosis strains, including clinically isolated multidrug-resistant strains. Thorough structure-activity relationship studies of 3,5-dinitrophenyl-containing 1,2,4-triazoles and their trifluoromethyl analogues revealed the key role of the position of the 3,5-dinitrophenyl fragment in the antitubercular efficiency. Among the prepared compounds, the highest in vitro antimycobacterial activities against M. tuberculosis H37Rv and against seven clinically isolated multidrug-resistant strains of M. tuberculosis were found with S-substituted 4-alkyl-5-(3,5-dinitrophenyl)-4H-1,2,4-triazole-3-thiols and their 3-nitro-5-(trifluoromethyl)phenyl analogues. The minimum inhibitory concentrations of these compounds reached 0.03 μM, which is superior to all the current first-line anti-tuberculosis drugs. Furthermore, almost all compounds with excellent antimycobacterial activities exhibited very low in vitro cytotoxicities against two proliferating mammalian cell lines. The docking study indicated that these compounds acted as the inhibitors of decaprenylphosphoryl-β-d-ribofuranose 2'-oxidase enzyme, which was experimentally confirmed by two independent radiolabeling experiments.
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Affiliation(s)
- Galina Karabanovich
- Faculty of Pharmacy in Hradec Králové , Charles University , Akademika Heyrovského 1203 , 50005 Hradec Králové , Czech Republic
| | - Jan Dušek
- Faculty of Pharmacy in Hradec Králové , Charles University , Akademika Heyrovského 1203 , 50005 Hradec Králové , Czech Republic
| | - Karin Savková
- Faculty of Natural Sciences, Department of Biochemistry , Comenius University in Bratislava , Mlynská Dolina, Ilkovičova 6 , 842 15 Bratislava , Slovakia
| | - Oto Pavliš
- Biological Defense Department , Military Health Institute , 561 64 Techonin , Czech Republic
| | - Ivona Pávková
- Faculty of Military Health Sciences , University of Defence , Třebešská 1575 , 50005 Hradec Králové , Czech Republic
| | - Jan Korábečný
- Faculty of Military Health Sciences , University of Defence , Třebešská 1575 , 50005 Hradec Králové , Czech Republic.,Biomedical Research Center , University Hospital Hradec Králové , Sokolska 581 , 500 05 Hradec Králové , Czech Republic
| | - Tomáš Kučera
- Faculty of Military Health Sciences , University of Defence , Třebešská 1575 , 50005 Hradec Králové , Czech Republic
| | - Hana Kočová Vlčková
- Faculty of Pharmacy in Hradec Králové , Charles University , Akademika Heyrovského 1203 , 50005 Hradec Králové , Czech Republic
| | - Stanislav Huszár
- Faculty of Natural Sciences, Department of Biochemistry , Comenius University in Bratislava , Mlynská Dolina, Ilkovičova 6 , 842 15 Bratislava , Slovakia
| | - Zuzana Konyariková
- Faculty of Natural Sciences, Department of Biochemistry , Comenius University in Bratislava , Mlynská Dolina, Ilkovičova 6 , 842 15 Bratislava , Slovakia
| | - Klára Konečná
- Faculty of Pharmacy in Hradec Králové , Charles University , Akademika Heyrovského 1203 , 50005 Hradec Králové , Czech Republic
| | - Ondřej Jand'ourek
- Faculty of Pharmacy in Hradec Králové , Charles University , Akademika Heyrovského 1203 , 50005 Hradec Králové , Czech Republic
| | - Jiřina Stolaříková
- Department of Bacteriology and Mycology , Regional Institute of Public Health , Partyzánské náměstí 7 , 70200 Ostrava , Czech Republic
| | - Jana Korduláková
- Faculty of Natural Sciences, Department of Biochemistry , Comenius University in Bratislava , Mlynská Dolina, Ilkovičova 6 , 842 15 Bratislava , Slovakia
| | - Kateřina Vávrová
- Faculty of Pharmacy in Hradec Králové , Charles University , Akademika Heyrovského 1203 , 50005 Hradec Králové , Czech Republic
| | - Petr Pávek
- Faculty of Pharmacy in Hradec Králové , Charles University , Akademika Heyrovského 1203 , 50005 Hradec Králové , Czech Republic
| | - Věra Klimešová
- Faculty of Pharmacy in Hradec Králové , Charles University , Akademika Heyrovského 1203 , 50005 Hradec Králové , Czech Republic
| | - Alexandr Hrabálek
- Faculty of Pharmacy in Hradec Králové , Charles University , Akademika Heyrovského 1203 , 50005 Hradec Králové , Czech Republic
| | - Katarína Mikušová
- Faculty of Natural Sciences, Department of Biochemistry , Comenius University in Bratislava , Mlynská Dolina, Ilkovičova 6 , 842 15 Bratislava , Slovakia
| | - Jaroslav Roh
- Faculty of Pharmacy in Hradec Králové , Charles University , Akademika Heyrovského 1203 , 50005 Hradec Králové , Czech Republic
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Bouzian Y, Faizi MSH, Mague JT, Otmani BE, Dege N, Karrouchi K, Essassi EM. Crystal structure and DFT study of benzyl 1-benzyl-2-oxo-1,2-di-hydro-quinoline-4-carboxyl-ate. Acta Crystallogr E Crystallogr Commun 2019; 75:980-983. [PMID: 31392008 PMCID: PMC6659339 DOI: 10.1107/s2056989019007989] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 06/03/2019] [Indexed: 11/29/2022]
Abstract
In the title quinoline derivative, C24H19NO3, the two benzyl rings are inclined to the quinoline ring mean plane by 74.09 (8) and 89.43 (7)°, and to each other by 63.97 (10)°. The carboxyl-ate group is twisted from the quinoline ring mean plane by 32.2 (2)°. There is a short intra-molecular C-H⋯O contact forming an S(6) ring motif. In the crystal, mol-ecules are linked by bifurcated C-H,H⋯O hydrogen bonds, forming layers parallel to the ac plane. The layers are linked by C-H⋯π inter-actions, forming a supra-molecular three-dimensional structure.
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Affiliation(s)
- Younos Bouzian
- Laboratoire de Chimie Organique Hétérocyclique, Centre de Recherche Des Sciences des Médicaments, Pôle de Compétence Pharmacochimie, Av Ibn Battouta, BP 1014, Faculté des Sciences, Université Mohammed V, Rabat, Morocco
| | - Md. Serajul Haque Faizi
- Department of Chemistry, Langat Singh College, Babasaheb Bhimrao Ambedkar Bihar University, Muzaffarpur, Bihar-842001, India
| | - Joel T. Mague
- Department of Chemistry, Tulane University, New Orleans, LA 70118, USA
| | - Bouchaib El Otmani
- Laboratoire de Chimie Organique Hétérocyclique, Centre de Recherche Des Sciences des Médicaments, Pôle de Compétence Pharmacochimie, Av Ibn Battouta, BP 1014, Faculté des Sciences, Université Mohammed V, Rabat, Morocco
| | - Necmi Dege
- Ondokuz Mayıs University, Faculty of Arts and Sciences, Department of Physics, 55139, Kurupelit, Samsun, Turkey
| | - Khalid Karrouchi
- Laboratory of Plant Chemistry, Organic and Bioorganic Synthesis, URAC23, Faculty of Science, BP 1014, GEOPAC Research Center, Mohammed V University, Rabat, Morocco
| | - El Mokhtar Essassi
- Laboratoire de Chimie Organique Hétérocyclique, Centre de Recherche Des Sciences des Médicaments, Pôle de Compétence Pharmacochimie, Av Ibn Battouta, BP 1014, Faculté des Sciences, Université Mohammed V, Rabat, Morocco
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Bahuguna A, Rawat DS. An overview of new antitubercular drugs, drug candidates, and their targets. Med Res Rev 2019; 40:263-292. [PMID: 31254295 DOI: 10.1002/med.21602] [Citation(s) in RCA: 92] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 05/16/2019] [Accepted: 05/17/2019] [Indexed: 12/15/2022]
Abstract
The causative agent of tuberculosis (TB), Mycobacterium tuberculosis and more recently totally drug-resistant strains of M. tuberculosis, display unique mechanisms to survive in the host. A four-drug treatment regimen was introduced 40 years ago but the emergence of multidrug-resistance and more recently TDR necessitates the identification of new targets and drugs for the cure of M. tuberculosis infection. The current efforts in the drug development process are insufficient to completely eradicate the TB epidemic. For almost five decades the TB drug development process remained stagnant. The last 10 years have made sudden progress giving some new and highly promising drugs including bedaquiline, delamanid, and pretomanid. Many of the candidates are repurposed compounds, which were developed to treat other infections but later, exhibited anti-TB properties also. Each class of drug has a specific target and a definite mode of action. These targets are either involved in cell wall biosynthesis, protein synthesis, DNA/RNA synthesis, or metabolism. This review discusses recent progress in the discovery of newly developed and Food and Drug Administration approved drugs as well as repurposed drugs, their targets, mode of action, drug-target interactions, and their structure-activity relationship.
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Affiliation(s)
| | - Diwan S Rawat
- Department of Chemistry, University of Delhi, Delhi, India
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Martínez R, Zamudio GJN, Pretelin-Castillo G, Torres-Ochoa RO, Medina-Franco JL, Espitia Pinzón CI, Miranda MS, Hernández E, Alanís-Garza B. Synthesis and antitubercular activity of new N-[5-(4-chlorophenyl)-1,3,4-oxadiazol-2-yl]-(nitroheteroaryl)carboxamides. HETEROCYCL COMMUN 2019. [DOI: 10.1515/hc-2019-0007] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
AbstractNitro-substituted heteroaromatic carboxamides 1a-e were synthesized and tested against three Mycobacterium tuberculosis cell lines. The activities can be explained in terms of the distribution of the electronic density across the nitro-substituted heteroaromatic ring attached to the amide group. 1,3,5-Oxadiazole derivatives 1c-e are candidates for the development of novel antitubercular agents. Ongoing studies are focused on exploring the mechanism by which these compounds inhibit M. tuberculosis cell growth.
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Affiliation(s)
- Roberto Martínez
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, 04510, Cd. México, México
| | - Gladys J. Nieves Zamudio
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, 04510, Cd. México, México
| | - Gustavo Pretelin-Castillo
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, 04510, Cd. México, México
| | - Rubén O. Torres-Ochoa
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, 04510, Cd. México, México
| | - José L. Medina-Franco
- Departamento de Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, Avenida Universidad3000, 04510Cd. México, México
| | - Clara I. Espitia Pinzón
- Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad Universitaria, 04510, Cd. México, México
| | - Mayra Silva Miranda
- Catedrática CONACYT adscrita al Insituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad Universitaria, 04510, Cd. México, México
| | - Eugenio Hernández
- Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Pedro de Alba s/n, Ciudad Universitaria, 66400 San Nicolás de los Garza, Nuevo León, México
| | - Blanca Alanís-Garza
- Departamento de Química Analítica, Facultad de Medicina, Universidad Autónoma de Nuevo León, Madero s/n Col. Mitras Centro. Monterrey, N. L. MéxicoC. P. 64460
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Aher RB, Roy K. Computational Approaches as Rational Decision Support Systems for Discovering Next-Generation Antitubercular Agents: Mini-Review. Curr Comput Aided Drug Des 2019; 15:369-383. [PMID: 30706823 DOI: 10.2174/1573409915666190130153214] [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: 10/04/2018] [Revised: 12/19/2018] [Accepted: 01/09/2019] [Indexed: 12/15/2022]
Abstract
Tuberculosis, malaria, dengue, chikungunya, leishmaniasis etc. are a large group of neglected tropical diseases that prevail in tropical and subtropical countries, affecting one billion people every year. Minimal funding and grants for research on these scientific problems challenge many researchers to find a different way to reduce the extensive time and cost involved in the drug discovery cycle of these problems. Computer-aided drug design techniques have already been proved successful in the discovery of new molecules rationally by reducing the time and cost involved in the development of drugs. In the current minireview, we are highlighting on the molecular modeling studies published during 2010-2018 for target specific antitubercular agents. This review includes the studies of Structure-Based (SB) and Ligand-Based (LB) modeling and those involving Machine Learning (ML) techniques against different antitubercular targets such as dihydrofolate reductase (DHFR), enoyl Acyl Carrier Protein (ACP) reductase (InhA), catalase-peroxidase (KatG), enzyme antigen 85C, protein tyrosine phosphatases (PtpA and PtpB), dUTPase, thioredoxin reductase (MtTrxR), etc. The information presented in this review will help the researchers to get acquainted with the recent progress in the modeling studies of antitubercular agents.
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Affiliation(s)
- Rahul Balasaheb Aher
- Drug Theoretics and Cheminformatics Laboratory, Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, India
| | - Kunal Roy
- Drug Theoretics and Cheminformatics Laboratory, Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, India
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Liang J, Tang YX, Tang XZ, Liang HJ, Gao Y, Fang C, Zhang TY, Yan M. Discovery of meta-Amido Bromophenols as New Antitubercular Agents. Chem Pharm Bull (Tokyo) 2019; 67:372-381. [PMID: 30686792 DOI: 10.1248/cpb.c18-00917] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A series of meta-amido bromophenol derivatives were designed and synthesized. The compounds were found to potently inhibit the growth of Mycobacterium tuberculosis H37Ra. They also exhibited moderate inhibitory activity against Mycobacterium tuberculosis H37Rv and multidrug-resistant strains. The compounds did not show inhibitory activity against normal Gram-positive and Gram-negative bacteria. Moderate cytotoxicities and good metabolic stability were observed for the selected compounds. The results demonstrated meta-amido bromophenols as a new class of antitubercular agents with good potentials.
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Affiliation(s)
- Jie Liang
- School of Pharmaceutical Sciences, Sun Yat-sen University
| | - Yun-Xiang Tang
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Science.,Institute of Physical Science and Information Technology, Anhui University
| | | | - Hua-Ju Liang
- School of Pharmaceutical Sciences, Sun Yat-sen University
| | - Yamin Gao
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Science.,University of Chinese Academy of Sciences (UCAS)
| | - Cuiting Fang
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Science.,University of Chinese Academy of Sciences (UCAS)
| | - Tian-Yu Zhang
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Science.,University of Chinese Academy of Sciences (UCAS)
| | - Ming Yan
- School of Pharmaceutical Sciences, Sun Yat-sen University
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Discovery and evaluation of novel Mycobacterium tuberculosis ketol-acid reductoisomerase inhibitors as therapeutic drug leads. J Comput Aided Mol Des 2019; 33:357-366. [PMID: 30666485 DOI: 10.1007/s10822-019-00184-1] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Accepted: 01/02/2019] [Indexed: 01/11/2023]
Abstract
Tuberculosis (TB) remains a major threat to human health. This due to the fact that current drug treatments are less than optimal and the increasing occurrence of multi drug-resistant strains of etiological agent, Mycobacterium tuberculosis (Mt). Given the wide-spread significance of this disease, we have undertaken a design and evaluation program to discover new anti-TB drug leads. Here, we focused on ketol-acid reductoisomerase (KARI), the second enzyme in the branched-chain amino acid biosynthesis pathway. Importantly, this enzyme is present in bacteria but not in humans, making it an attractive proposition for drug discovery. In the present work, we used molecular docking to identify seventeen potential inhibitors of KARI using an in-house database. Compounds were selected based on docking scores, which were assigned as the result of favourable interactions between the compound and the active site of KARI. The inhibitory constant values for two leads, compounds 14 and 16 are 3.71 and 3.06 µM respectively. To assess the mode of binding, 100 ns molecular dynamics simulations for these two compounds in association with Mt KARI were performed and showed that the complex was stable with an average root mean square deviation of less than 3.5 Å for all atoms. Furthermore, compound 16 showed a minimum inhibitory concentration of 2.06 ± 0.91 µM and a 1.9 fold logarithmic reduction in the growth of Mt in an infected macrophage model. The two compounds exhibited low toxicity against RAW 264.7 cell lines. Thus, both compounds are promising candidates for development as an anti-TB drug leads.
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45
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Drug targets exploited in Mycobacterium tuberculosis: Pitfalls and promises on the horizon. Biomed Pharmacother 2018; 103:1733-1747. [PMID: 29864964 DOI: 10.1016/j.biopha.2018.04.176] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Revised: 04/24/2018] [Accepted: 04/24/2018] [Indexed: 01/10/2023] Open
Abstract
Tuberculosis is an ever evolving infectious disease that still claims about 1.8 million human lives each year around the globe. Although modern chemotherapy has played a pivotal role in combating TB, the increasing emergence of drug-resistant TB aligned with HIV pandemic threaten its control. This highlights both the need to understand how our current drugs work and the need to develop new and more effective drugs. TB drug discovery is revisiting the clinically validated drug targets in Mycobacterium tuberculosis using whole-cell phenotypic assays in search of better therapeutic scaffolds. Herein, we review the promises of current TB drug regimens, major pitfalls faced, key drug targets exploited so far in M. tuberculosis along with the status of newly discovered drugs against drug resistant forms of TB. New antituberculosis regimens that use lesser number of drugs, require shorter duration of treatment, are equally effective against susceptible and resistant forms of disease, have acceptable toxicity profiles and behave friendly with anti-HIV regimens remains top most priority in TB drug discovery.
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Eng WS, Rejman D, Pohl R, West NP, Woods K, Naesens LMJ, Keough DT, Guddat LW. Pyrrolidine nucleoside bisphosphonates as antituberculosis agents targeting hypoxanthine-guanine phosphoribosyltransferase. Eur J Med Chem 2018; 159:10-22. [PMID: 30265958 DOI: 10.1016/j.ejmech.2018.09.039] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 08/10/2018] [Accepted: 09/14/2018] [Indexed: 11/28/2022]
Abstract
Therapeutic treatment of tuberculosis (TB) is becoming increasingly problematic due to the emergence of drug resistant Mycobacterium tuberculosis (Mt). Thus, new targets for anti-TB drug discovery need to be identified to combat and eradicate this disease. One such target is hypoxanthine-guanine phosphoribosyltransferase (HGPRT) which synthesises the 6-oxopurine nucleoside monophosphates essential for DNA/RNA production. [3R,4R]-4-Hypoxanthin-9-yl-3-((S)-2-hydroxy-2-phosphonoethyl)oxy-1-N-(phosphonopropionyl)pyrrolidine and [3R,4R]-4-guanin-9-yl-3-((S)-2-hydroxy-2-phosphonoethyl)oxy-1-N-(phosphonopropionyl)pyrrolidine (compound 6) are the most potent inhibitors of MtHGPRT yet discovered having Ki values of 60 nM. The crystal structure of the MtHGPRT.6 complex was obtained and compared with that of human HGPRT in complex with the same inhibitor. These structures provide explanations for the 60-fold difference in the inhibition constants between these two enzymes and a foundation for the design of next generation inhibitors. In addition, crystal structures of MtHGPRT in complex with two pyrrolidine nucleoside phosphosphonate inhibitors plus pyrophosphate provide insights into the final stage of the catalytic reaction. As the first step in ascertaining if such compounds have the potential to be developed as anti-TB therapeutics, the tetra-(ethyl L-phenylalanine) tetraamide prodrug of 6 was tested in cell based assays. This compound arrested the growth of virulent Mt not only in its replicating phase (IC50 of 14 μΜ) but also in its latent phase (IC50 of 29 μΜ). Furthermore, it arrested the growth of Mt in infected macrophages (MIC50 of 85 μΜ) and has a low cytotoxicity in mammalian cells (CC50 of 132 ± 20 μM). These inhibitors are therefore viewed as forerunners of new anti-TB chemotherapeutics.
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Affiliation(s)
- Wai Soon Eng
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, 4072, QLD, Australia
| | - Dominik Rejman
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, v.v.i. Flemingovo nam. 2, CZ-166 10 Prague 6, Czech Republic.
| | - Radek Pohl
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, v.v.i. Flemingovo nam. 2, CZ-166 10 Prague 6, Czech Republic
| | - Nicholas P West
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, 4072, QLD, Australia
| | - Kyra Woods
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, 4072, QLD, Australia
| | - Lieve M J Naesens
- Rega Institute for Medical Research, KU Leuven - University of Leuven, Herestraat 49, B-3000, Leuven, Belgium
| | - Dianne T Keough
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, 4072, QLD, Australia
| | - Luke W Guddat
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, 4072, QLD, Australia.
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Wang A, Huang G, Wang B, Lv K, Wang H, Tao Z, Liu M, Guo H, Lu Y. Design, synthesis and antimycobacterial activity of 3,5-dinitrobenzamide derivatives containing fused ring moieties. Bioorg Med Chem Lett 2018; 28:2945-2948. [PMID: 30006066 DOI: 10.1016/j.bmcl.2018.07.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 06/26/2018] [Accepted: 07/03/2018] [Indexed: 01/17/2023]
Abstract
We report herein the design, synthesis and antimycobacterial activity of 3,5-dinitrobenzamide derivatives containing fused ring moieties. Results reveal that many of the target compounds have considerable in vitro antitubercular activity. Especially, N-((2-(4-fluorophenyl)/N-((2-(3-fluorobenzyl)-1,2,3,4-tetrahydroisoquilin-6-yl)methyl)-3,5-dinitrobenzamides 18a and 20e exhibit potent MIC values of 0.056-0.078 μg/mL against both drug-sensitive Mycobacterium tuberculosis (MTB) H37Rv strain and two clinically isolated multidrug-resistant MTB (MDR-MTB) strains, opening a new direction for further SAR studies.
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Affiliation(s)
- Apeng Wang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Guocheng Huang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Bin Wang
- Beijing Key Laboratory of Drug Resistance Tuberculosis Research, Department of Pharmacology, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing Chest Hospital, Capital Medical University, Beijing 101149, China
| | - Kai Lv
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Hongjian Wang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Zeyu Tao
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Mingliang Liu
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
| | - Huiyuan Guo
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Yu Lu
- Beijing Key Laboratory of Drug Resistance Tuberculosis Research, Department of Pharmacology, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing Chest Hospital, Capital Medical University, Beijing 101149, China.
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Zhang NN, Liu ZY, Liang J, Tang YX, Qian L, Gao YM, Zhang TY, Yan M. Design, synthesis, and biological evaluation of m-amidophenol derivatives as a new class of antitubercular agents. MEDCHEMCOMM 2018; 9:1293-1304. [PMID: 30151083 PMCID: PMC6096355 DOI: 10.1039/c8md00212f] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2018] [Accepted: 06/06/2018] [Indexed: 01/08/2023]
Abstract
A series of m-amidophenol derivatives (6a-6l, 7a-7q, 9a, 9b, 12a-12c, 14 and 15) were designed and synthesized. Their antitubercular activities were evaluated in vitro against M. tuberculosis strains H37Ra and H37Rv and clinically isolated multidrug-resistant M. tuberculosis strains. Ten compounds displayed minimal inhibitory concentrations (MICs) against M. tuberculosis H37Ra below 2.5 μg mL-1 and 6g was the most active compound (MIC = 0.625 μg mL-1). Compounds 6g and 7a also showed potent inhibitory activity against M. tuberculosis H37Rv (MIC = 0.39 μg mL-1) and several clinically isolated multidrug-resistant M. tuberculosis strains (MIC = 0.39-3.125 μg mL-1). The compounds did not show inhibitory activity against normal Gram-positive and Gram-negative bacteria. They exhibited low cytotoxicity against HepG2 and RAW264.7 cell lines. The results demonstrated m-amidophenol as an attractive scaffold for the development of new antitubercular agents.
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Affiliation(s)
- Niu-Niu Zhang
- Institute of Drug Synthesis and Pharmaceutical Process , School of Pharmaceutical Sciences , Sun Yat-sen University , Guangzhou , China .
| | - Zhi-Yong Liu
- State Key Laboratory of Respiratory Disease , Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences , Guangzhou , China
| | - Jie Liang
- Institute of Drug Synthesis and Pharmaceutical Process , School of Pharmaceutical Sciences , Sun Yat-sen University , Guangzhou , China .
| | - Yun-Xiang Tang
- State Key Laboratory of Respiratory Disease , Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences , Guangzhou , China
- Institute of Physical Science and Information Technology , Anhui University , Hefei , China
| | - Lu Qian
- Institute of Drug Synthesis and Pharmaceutical Process , School of Pharmaceutical Sciences , Sun Yat-sen University , Guangzhou , China .
| | - Ya-Min Gao
- State Key Laboratory of Respiratory Disease , Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences , Guangzhou , China
- University of Chinese Academy of Sciences (UCAS) , Beijing , China
| | - Tian-Yu Zhang
- State Key Laboratory of Respiratory Disease , Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences , Guangzhou , China
- University of Chinese Academy of Sciences (UCAS) , Beijing , China
| | - Ming Yan
- Institute of Drug Synthesis and Pharmaceutical Process , School of Pharmaceutical Sciences , Sun Yat-sen University , Guangzhou , China .
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Li L, Lv K, Yang Y, Sun J, Tao Z, Wang A, Wang B, Wang H, Geng Y, Liu M, Guo H, Lu Y. Identification of N-Benzyl 3,5-Dinitrobenzamides Derived from PBTZ169 as Antitubercular Agents. ACS Med Chem Lett 2018; 9:741-745. [PMID: 30034611 DOI: 10.1021/acsmedchemlett.8b00177] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Accepted: 06/26/2018] [Indexed: 12/31/2022] Open
Abstract
A series of benzamide scaffolds were designed and synthesized by the thiazinone ring opening of PBTZ169, and N-benzyl 3,5-dinitrobenzamides were finally identified as anti-TB agents in this work. 3,5-Dinitrobenzamides D5, 6, 7, and 12 exhibit excellent in vitro activity against the drug susceptive Mycobacterium tuberculosis H37Rv strain (MIC: 0.0625 μg/mL) and two clinically isolated multidrug-resistant strains (MIC < 0.016-0.125 μg/mL). Compound D6 displays acceptable safety and better pharmacokinetic profiles than PBTZ169, suggesting its promising potential to be a lead compound for future antitubercular drug discovery.
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Affiliation(s)
- Linhu Li
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Limin Chemical Co., Ltd., Xinyi 221422, China
| | - Kai Lv
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Yupeng Yang
- Department of Stomatology, Hebei General Hospital, Shijiazhuang 050051, China
| | | | - Zeyu Tao
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Apeng Wang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Bin Wang
- Beijing Key Laboratory of Drug Resistance Tuberculosis Research, Department of Pharmacology, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing Chest Hospital, Capital Medical University, Beijing 101149, China
| | - Hongjian Wang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Yunhe Geng
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Mingliang Liu
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Huiyuan Guo
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Yu Lu
- Beijing Key Laboratory of Drug Resistance Tuberculosis Research, Department of Pharmacology, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing Chest Hospital, Capital Medical University, Beijing 101149, China
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50
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Gruzdev DA, Musiyak VV, Levit GL, Krasnov VP, Charushin VN. Purine derivatives with antituberculosis activity. RUSSIAN CHEMICAL REVIEWS 2018. [DOI: 10.1070/rcr4772] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The review summarizes the data published over the last 10 – 15 years concerning the key groups of purine derivatives with antituberculosis activity. The structures of purines containing heteroatoms (S, O, N), fragments of heterocycles, amino acids and peptides, in the 6-position, as well as of purine nucleosides are presented. The possible targets for the action of such compounds and structure – activity relationship are discussed. Particular attention is paid to the most active compounds, which are of considerable interest as a basis for the development of efficient antituberculosis drugs.
The bibliography includes 99 references.
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