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Bamou FZ, Le TM, Tayeb BA, Tahaei SAS, Minorics R, Zupkó I, Szakonyi Z. Antiproliferative Activity of (-)-Isopulegol-based 1,3-Oxazine, 1,3-Thiazine and 2,4-Diaminopyrimidine Derivatives. Chemistry 2022; 11:e202200169. [PMID: 36200514 PMCID: PMC9535514 DOI: 10.1002/open.202200169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 08/25/2022] [Indexed: 11/08/2022]
Abstract
A series of novel heterocyclic structures, namely 1,3‐oxazines, 1,3‐thiazines and 2,4‐diaminopyrimidines, were designed and synthesised. The bioassay tests demonstrated that, among these analogues, 2,4‐diaminopyridine derivatives showed significant antiproliferative activity against different human cancer cell lines (A2780, SiHa, HeLa, MCF‐7 and MDA‐MB‐231). Pyrimidines substituted with N2‐(p‐trifluoromethyl)aniline, in particular, displayed a potent inhibitory effect on the growth of cancer cells. Structure–activity relationships were also studied from the aspects of stereochemistry on the aminodiol moiety as well as exploring the effects of substituents on the pyrimidine scaffold.
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Affiliation(s)
- Fatima Z. Bamou
- Institute of Pharmaceutical Chemistry andMTA-SZTE Stereochemistry Research GroupHungarian Academy of SciencesUniversity of SzegedEötvös u. 66720SzegedHungary
| | - Tam M. Le
- Institute of Pharmaceutical Chemistry andMTA-SZTE Stereochemistry Research GroupHungarian Academy of SciencesUniversity of SzegedEötvös u. 66720SzegedHungary
| | - Bizhar A. Tayeb
- Department of Pharmacodynamics and BiopharmacyUniversity of SzegedEötvös u. 66720SzegedHungary
| | - Seyyed A. S. Tahaei
- Department of Pharmacodynamics and BiopharmacyUniversity of SzegedEötvös u. 66720SzegedHungary
| | - Renáta Minorics
- Department of Pharmacodynamics and BiopharmacyUniversity of SzegedEötvös u. 66720SzegedHungary
| | - István Zupkó
- Department of Pharmacodynamics and BiopharmacyUniversity of SzegedEötvös u. 66720SzegedHungary
| | - Zsolt Szakonyi
- Institute of Pharmaceutical Chemistry andMTA-SZTE Stereochemistry Research GroupHungarian Academy of SciencesUniversity of SzegedEötvös u. 66720SzegedHungary
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Singh G, Soni H, Tandon S, Kumar V, Babu G, Gupta V, Chaudhuri (Chattopadhyay) P. Identification of natural DHFR inhibitors in MRSA strains: Structure-based drug design study. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100292] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Chawla P, Teli G, Gill RK, Narang RK. An Insight into Synthetic Strategies and Recent Developments of Dihydrofolate Reductase Inhibitors. ChemistrySelect 2021. [DOI: 10.1002/slct.202102555] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Pooja Chawla
- Department of Pharmaceutical Chemistry ISF College of Pharmacy Moga Punjab India
- Pooja Chawla Department of Pharmaceutical Chemistry ISF College of Pharmacy Moga 142001 Punjab India
| | - Ghanshyam Teli
- Department of Pharmaceutical Chemistry ISF College of Pharmacy Moga Punjab India
| | - Rupinder Kaur Gill
- Department of Pharmaceutical Chemistry ISF College of Pharmacy Moga Punjab India
| | - Raj Kumar Narang
- Department of Pharmaceutics ISF College of Pharmacy Moga Punjab India
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A Process for Carbon Dioxide Capture Using Schiff Bases Containing a Trimethoprim Unit. Processes (Basel) 2021. [DOI: 10.3390/pr9040707] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Environmental problems associated with the growing levels of carbon dioxide in the atmosphere due to the burning of fossil fuels to satisfy the high demand for energy are a pressing concern. Therefore, the design of new materials for carbon dioxide storage has received increasing research attention. In this work, we report the synthesis of three new Schiff bases containing a trimethoprim unit and the investigation of their application as adsorbents for carbon dioxide capture. The reaction of trimethoprim and aromatic aldehydes in acid medium gave the corresponding Schiff bases in 83%–87% yields. The Schiff bases exhibited surface areas ranging from 4.15 to 20.33 m2/g, pore volumes of 0.0036–0.0086 cm3/g, and average pore diameters of 6.64–1.4 nm. An excellent carbon dioxide uptake (27–46 wt%) was achieved at high temperature and pressure (313 K and 40 bar, respectively) using the Schiff bases. The 3-hydroxyphenyl-substituted Schiff base, which exhibited a meta-arrangement, provided the highest carbon dioxide uptake (46 wt%) due to its higher surface area, pore volume, and pore diameter compared with the other two derivatives with a para-arrangement.
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Kilic-Kurt Z, Ozmen N, Bakar-Ates F. Synthesis and anticancer activity of some pyrimidine derivatives with aryl urea moieties as apoptosis-inducing agents. Bioorg Chem 2020; 101:104028. [PMID: 32645482 DOI: 10.1016/j.bioorg.2020.104028] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 04/14/2020] [Accepted: 06/02/2020] [Indexed: 12/17/2022]
Abstract
A new series of pyrimidine derivatives containing aryl urea moieties was designed and synthesized. The anticancer activities of all compounds were evaluated in vitro against colon and prostat cancer cell lines by MTT assay. Among these compounds, 4b exhibited the highest cytotoxic activity against SW480 cancer cell line with IC50 value of 11.08 µM. Mechanistic studies showed that compound 4b arrested cell cycle at G2/M phase and induced apoptosis through upregulating Bax, Ikb-α and cleaved PARP and downregulating Bcl-2 expression levels. Moreover, compound 4b induced loss of mitochondrial membrane potential in SW480 cells. These results suggest that pyrimidine with urea moieties could be a template for designing new anticancer agents.
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Affiliation(s)
- Zühal Kilic-Kurt
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ankara University, Ankara, Turkey.
| | - Nuri Ozmen
- Department of Biochemistry, Faculty of Pharmacy, Ankara University, Ankara, Turkey
| | - Filiz Bakar-Ates
- Department of Biochemistry, Faculty of Pharmacy, Ankara University, Ankara, Turkey
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He J, Qiao W, An Q, Yang T, Luo Y. Dihydrofolate reductase inhibitors for use as antimicrobial agents. Eur J Med Chem 2020; 195:112268. [PMID: 32298876 DOI: 10.1016/j.ejmech.2020.112268] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 03/22/2020] [Accepted: 03/22/2020] [Indexed: 02/05/2023]
Abstract
Drug-resistant bacteria pose an increasingly serious threat to mankind all over the world. However, the currently available clinical treatments do not meet the urgent demand.Therefore, it is desirable to find new targets and inhibitors to overcome the problems of antibiotic resistance. Dihydrofolate reductase (DHFR) is an important enzyme required to maintain bacterial growth, and hence inhibitors of DHFR have been proven as effective agents for treating bacterial infections. This review provides insights into the recent discovery of antimicrobial agents targeting DHFR. In particular, three pathogens, Escherichia coli (E. coli), Mycobacterium tuberculosis(Mtb) and Staphylococcus aureus(S. aureus), and research strategies are emphasized. DHFR inhibitors are expected to be good alternatives to fight bacterial infections.
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Affiliation(s)
- Juan He
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China
| | - Wenliang Qiao
- Lung Cancer Center, Laboratory of Lung Cancer, Western China Hospital of Sichuan University
| | - Qi An
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China
| | - Tao Yang
- Laboratory of Human Diseases and Immunotherapies, West China Hospital, Sichuan University, Chengdu, 610041, China.
| | - Youfu Luo
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China.
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An Q, Li C, Chen Y, Deng Y, Yang T, Luo Y. Repurposed drug candidates for antituberculosis therapy. Eur J Med Chem 2020; 192:112175. [PMID: 32126450 DOI: 10.1016/j.ejmech.2020.112175] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 02/18/2020] [Accepted: 02/20/2020] [Indexed: 02/06/2023]
Abstract
Antibiotics have been a key part of clinical treatments for more than 70 years. Long-term use of antimicrobial treatments has led to the development of severe bacterial resistance, which has become increasingly serious due to antibiotic abuse, resulting in the treatment of bacterial infections becoming challenging. The repurposing of approved drugs presents a promising strategy to address current bottlenecks in the development of novel antibacterial agents. Drug repurposing is a cost-effective emerging strategy, which aims to treat resistant infectious diseases by identifying known drugs with predicted efficacy for diseases other than the target disease. This strategy has potential in the treatment of tuberculosis (TB), particularly drug-resistant TB. In recent years, a panel of drugs approved for clinical use or clinical trials, such as linezolid, vancomycin and celecoxib, have been found to have anti-TB activities. However, the utility of drug repurposing is limited by the number of candidate compounds and their low activities. The low activities of repurposed drugs have slowed the development of a drug-repurposing strategy for anti-TB drugs. The present review discusses progress in the discovery of new anti-TB agents through drug repurposing since 2014. We also discuss the challenges faced and analyze the innovative ways that are being used to overcome these difficulties. This review may provide a useful guide for researchers in the field of drug repurposing.
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Affiliation(s)
- Qi An
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, China
| | - Chungen Li
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, China
| | - Yao Chen
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Yong Deng
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Tao Yang
- Laboratory of Human Diseases and Immunotherapies, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Youfu Luo
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, China.
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Trimethoprim and other nonclassical antifolates an excellent template for searching modifications of dihydrofolate reductase enzyme inhibitors. J Antibiot (Tokyo) 2019; 73:5-27. [PMID: 31578455 PMCID: PMC7102388 DOI: 10.1038/s41429-019-0240-6] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 08/07/2019] [Accepted: 08/22/2019] [Indexed: 12/17/2022]
Abstract
The development of new mechanisms of resistance among pathogens, the occurrence and transmission of genes responsible for antibiotic insensitivity, as well as cancer diseases have been a serious clinical problem around the world for over 50 years. Therefore, intense searching of new leading structures and active substances, which may be used as new drugs, especially against strain resistant to all available therapeutics, is very important. Dihydrofolate reductase (DHFR) has attracted a lot of attention as a molecular target for bacterial resistance over several decades, resulting in a number of useful agents. Trimethoprim (TMP), (2,4-diamino-5-(3′,4′,5′-trimethoxybenzyl)pyrimidine) is the well-known dihydrofolate reductase inhibitor and one of the standard antibiotics used in urinary tract infections (UTIs). This review highlights advances in design, synthesis, and biological evaluations in structural modifications of TMP as DHFR inhibitors. In addition, this report presents the differences in the active site of human and pathogen DHFR. Moreover, an excellent review of DHFR inhibition and their relevance to antimicrobial and parasitic chemotherapy was presented.
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Antitussive and Anti-inflammatory Dual-active Agents Developed from Natural Product Lead Compound 1-Methylhydantoin. Molecules 2019; 24:molecules24132355. [PMID: 31247960 PMCID: PMC6651114 DOI: 10.3390/molecules24132355] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Revised: 06/21/2019] [Accepted: 06/25/2019] [Indexed: 12/13/2022] Open
Abstract
Natural products play an important role in drug discovery. This work employed a natural product 1-methylhydantoin as the lead compound to develop novel dual-active drugs. 1-Methylhydantoin was isolated from Oviductus Ranae, which is a traditional Chinese medicine that has been used for tussive and inflammation treatment for a long time. An in silico study screened the more active 1-methylhydantoin derivatives. Antitussive assessment indicated that the newly synthesized agent had similar bioactivity with the natural product. An anti-inflammatory model used xylene induced ear edema model. At the same dosage (100 mg/Kg), the newly prepared agent had an inhibition rate 53.18% which was much higher than that of the lead compound (22.69%). The results might be ascribed to the cyclooxygenases-1 (COX-1) and cyclooxygenases-2 (COX-2) selectivity, and the fitness of the compound, and the binding pocket. The anti-particulate matter (PM 2.5) acute pneumonia was evaluated through an in vivo model constructed by nasal instillation with PM 2.5 suspension. The results of the above models suggested that this novel agent had remarkable antitussive, anti-inflammatory, and anti-PM 2.5 acute pneumonia activities.
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Srinu B, Parameshwar R, Kali Charan G, Srinivas E, Koteswara Rao CP, Narendra Sharath Chandra JN, Naresh Varma S. Synthesis, Antitubercular Activity, and Molecular Docking Studies of Novel 2-(4-Chlorobenzylamino)-4-(cyclohexylmethylamino)-pyrimidine-5-carboxamides. RUSS J GEN CHEM+ 2019. [DOI: 10.1134/s1070363219040327] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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