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Filipić B, Ušjak D, Rambaher MH, Oljacic S, Milenković MT. Evaluation of novel compounds as anti-bacterial or anti-virulence agents. Front Cell Infect Microbiol 2024; 14:1370062. [PMID: 38510964 PMCID: PMC10951914 DOI: 10.3389/fcimb.2024.1370062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Accepted: 02/21/2024] [Indexed: 03/22/2024] Open
Abstract
Antimicrobial resistance is a global threat, leading to an alarming increase in the prevalence of bacterial infections that can no longer be treated with available antibiotics. The World Health Organization estimates that by 2050 up to 10 million deaths per year could be associated with antimicrobial resistance, which would equal the annual number of cancer deaths worldwide. To overcome this emerging crisis, novel anti-bacterial compounds are urgently needed. There are two possible approaches in the fight against bacterial infections: a) targeting structures within bacterial cells, similar to existing antibiotics; and/or b) targeting virulence factors rather than bacterial growth. Here, for the first time, we provide a comprehensive overview of the key steps in the evaluation of potential new anti-bacterial and/or anti-virulence compounds. The methods described in this review include: a) in silico methods for the evaluation of novel compounds; b) anti-bacterial assays (MIC, MBC, Time-kill); b) anti-virulence assays (anti-biofilm, anti-quorum sensing, anti-adhesion); and c) evaluation of safety aspects (cytotoxicity assay and Ames test). Overall, we provide a detailed description of the methods that are an essential tool for chemists, computational chemists, microbiologists, and toxicologists in the evaluation of potential novel antimicrobial compounds. These methods are cost-effective and have high predictive value. They are widely used in preclinical studies to identify new molecular candidates, for further investigation in animal and human trials.
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Affiliation(s)
- Brankica Filipić
- Department of Microbiology and Immunology, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Dušan Ušjak
- Laboratory for Molecular Biology, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | - Martina Hrast Rambaher
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia
| | - Slavica Oljacic
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Marina T. Milenković
- Department of Microbiology and Immunology, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
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Dhivya LS, Kumaradoss KM. Synthesis of novel furan-based chalcone derivatives as anti-tuberculosis agents: in vitro, cytotoxicity assessment and in silico. Future Med Chem 2023; 15:1687-1701. [PMID: 37732414 DOI: 10.4155/fmc-2023-0110] [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] [Indexed: 09/22/2023] Open
Abstract
Background: The aim of the study is to identify a novel furan-based chalcone derivative as potent inhibitor against the H37Rv strain. Materials & methods: The in silico pharmacokinetic characteristics, toxicity tests, molecular modeling, chemical synthesis and minimum inhibitory concentration (MIC; IC50) were carried out to evaluate the antitubercular potential of the synthesized furan-based chalcone analogues against H37Rv. Results & conclusion: Among the ten target compounds synthesized, DF02, DF05 and DF07 had MIC values of 1.6 μg/ml equivalent to isoniazid and DF10 showed MIC values of 3.25 μg/ml which is equipotent to pyrazinamide. All the other compounds had optimal concentrations 6.25-100 μg/ml against the H37Rv strain. Compounds DF02 and DF10 were further evaluated for cytotoxicity assay performed using HeLa cell lines.
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Affiliation(s)
- Loganathan Sumathi Dhivya
- Dr APJ Kalam Research Lab, Department of Pharmaceutical Chemistry, SRM College of Pharmacy, SRM Institute of Science and Technology, Kattankulathur, Chengalpattu, Tamil Nadu, 603 203, India
| | - Kathiravan Muthu Kumaradoss
- Dr APJ Kalam Research Lab, Department of Pharmaceutical Chemistry, SRM College of Pharmacy, SRM Institute of Science and Technology, Kattankulathur, Chengalpattu, Tamil Nadu, 603 203, India
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Patan A, Aanandhi M V, P G. Molecular dynamics simulation approach of hybrid chalcone-thiazole complex derivatives for DNA gyrase B inhibition: lead generation. RSC Adv 2023; 13:24291-24308. [PMID: 37583661 PMCID: PMC10424056 DOI: 10.1039/d3ra00732d] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 07/31/2023] [Indexed: 08/17/2023] Open
Abstract
Compounds bearing thiazole and chalcone groups have been reported to be excellent leads for antibacterial, antitubercular and anticancer activities. In view of this, we performed quantitative structure-activity relationship studies using QSARINS for dataset preparation and for developing validated QSAR models that can predict novel series of thiazole-chalcone hybrids and further evaluate them for bioactivities. The molecular descriptors AATS8i, AVP-1, MoRSEE17 and GATSe7 were found to be active in predicting the structure-activity relationship. Molecular docking and dynamics simulation studies of the developed leads have shown insights into structural analysis. Furthermore, computational studies using AutoDock and Desmond predicted the key binding interactions responsible for the activity and the SwissADME tool computed the in silico drug likeliness properties. The lead compound 178 generated through this study creates a route for the optimization and development of novel drugs against tuberculosis infections. RMSD, RMSF, RoG, H-bond and SASA analysis confirmed the stable binding of compound 178 with the 6J90 structure. In addition, MM-PBSA and MM-GBSA also confirm the docking results. We propose the designed compound 178 as the best theoretical lead, which may further be experimentally studied for selective inhibition.
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Affiliation(s)
- Afroz Patan
- Department of Pharmaceutical Chemistry, School of Pharmaceutical Sciences, VISTAS Chennai Tamil Nadu India
| | - Vijey Aanandhi M
- Department of Pharmaceutical Chemistry, School of Pharmaceutical Sciences, VISTAS Chennai Tamil Nadu India
| | - Gopinath P
- Department of Pharmaceutical Chemistry, GITAM School of Pharmacy, GITAM University Hyderabad Telangana India
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Mezgebe K, Melaku Y, Mulugeta E. Synthesis and Pharmacological Activities of Chalcone and Its Derivatives Bearing N-Heterocyclic Scaffolds: A Review. ACS OMEGA 2023; 8:19194-19211. [PMID: 37305270 PMCID: PMC10249103 DOI: 10.1021/acsomega.3c01035] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 05/05/2023] [Indexed: 06/13/2023]
Abstract
The incorporation of heterocyclic moieties into the standard chemical structure with a biologically active scaffold has become of crucial practice for the construction of pharmacologically potent candidates in the drug arena. Currently, numerous kinds of chalcones and their derivatives have been synthesized using the incorporation of heterocyclic scaffolds, especially chalcones bearing heterocyclic moieties that display improved efficiency and potential for drug production in pharmaceutical sectors. The current Review focuses on recent advances in the synthetic approaches and pharmacological activities such as antibacterial, antifungal, antitubercular, antioxidant, antimalarial, anticancer, anti-inflammatory, antigiardial, and antifilarial activities of chalcone derivatives incorporating N-heterocyclic moieties at either the A-ring or B-ring.
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da Silva BA, Feijó FMC, Alves ND, Pimenta AS, Benicio LDM, da Silva Júnior EC, Santos CS, Pereira AF, Moura YBF, Gama GSP, Neto EDSL. Use of a product based on wood vinegar of Eucalyptus clone I144 used in the control of bovine mastitis. Vet Microbiol 2023; 279:109670. [PMID: 36739814 DOI: 10.1016/j.vetmic.2023.109670] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 01/13/2023] [Accepted: 01/25/2023] [Indexed: 02/05/2023]
Abstract
Bovine mastitis is one of the most frequent diseases in dairy cattle worldwide. The use of antiseptics in milking, if properly used, can lead to a reduction in potentially pathogenic microorganisms and their transmission between herds. Several medicinal plants have antiseptic potential, including eucalyptus (Eucalyptus spp.). Therefore, the objective of this study was to evaluate the effectiveness of wood vinegar from Eucalyptus urograndis clone GG I144 (EU) as an antiseptic in vitro and in vivo; in addition, to its cytotoxicity and antimicrobial resistance. Fifteen bovines were used, lactating females 3-6 years of age and divided into three groups of five animals each. The wood vinegar was placed in the teats of the animal for 28 days and collections of cellular debris were performed every 7 days. At the Veterinary Microbiology Laboratory (LAMIV) of UFERSA, the samples were processed and serial dilution was performed in Petri plates with plate count agar (PCA) at 37 °C. Cytotoxicity was verified based on morphological alterations and metabolic activity. Morphological changes were not observed in all cells incubated with 1 % pyroligneous extract. The in vitro data demonstrated antimicrobial activity against S. aureus, S. agalactiae, Salmonella, E. coli and P. aeruginosa. The bacteria of the genus Staphylococcus and Corynebacterium were resistant to penicillin (PEN), rifampicin (RIF), nitrofurantoin (NIT), erythromycin (ERI), and ciprofloxacin (CIP). The extract was used in vivo in the post-dipping of dairy cows, which reduced the microbiological load present in the mammary glands from 4.74 to 2.54 CFU, indicating its future use as an antiseptic.
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Affiliation(s)
- Bismark Alves da Silva
- Laboratory of Veterinary Microbiology, Center of Agrarian Sciences, Federal Rural University of Semi-Arid Region - UFERSA, Mossoró, Brazil
| | - Francisco Marlon Carneiro Feijó
- Laboratory of Veterinary Microbiology, Center of Agrarian Sciences, Federal Rural University of Semi-Arid Region - UFERSA, Mossoró, Brazil.
| | - Nilza Dutra Alves
- Laboratory of Veterinary Microbiology, Center of Agrarian Sciences, Federal Rural University of Semi-Arid Region - UFERSA, Mossoró, Brazil
| | - Alexandre Santos Pimenta
- Agricultural Sciences Academic Unit, Forest Sciences Graduate Program - PPGCFL, Forest, Bioenergy and Environment Research Group, Federal, University of Rio Grande do Norte - UFRN, Natal, Brazil
| | - Leon Denner Moreira Benicio
- Laboratory of Veterinary Microbiology, Center of Agrarian Sciences, Federal Rural University of Semi-Arid Region - UFERSA, Mossoró, Brazil
| | - Enilson Claudio da Silva Júnior
- Laboratory of Veterinary Microbiology, Center of Agrarian Sciences, Federal Rural University of Semi-Arid Region - UFERSA, Mossoró, Brazil
| | - Caio Sérgio Santos
- Laboratory of Veterinary Microbiology, Center of Agrarian Sciences, Federal Rural University of Semi-Arid Region - UFERSA, Mossoró, Brazil
| | - Alexsandra Fernandes Pereira
- Laboratory of Animal Biotechnology, Center for Biological and Health Sciences, Federal Rural University of Semi-Arid Region, UFERSA, Mossoró, RN, Brazil
| | - Yasmin Beatriz França Moura
- Laboratory of Animal Biotechnology, Center for Biological and Health Sciences, Federal Rural University of Semi-Arid Region, UFERSA, Mossoró, RN, Brazil
| | - Gil Sander Prospero Gama
- Agricultural Sciences Academic Unit, Forest Sciences Graduate Program - PPGCFL, Forest, Bioenergy and Environment Research Group, Federal, University of Rio Grande do Norte - UFRN, Natal, Brazil
| | - Evilasio de Souza Lima Neto
- Laboratory of Veterinary Microbiology, Center of Agrarian Sciences, Federal Rural University of Semi-Arid Region - UFERSA, Mossoró, Brazil
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Rajendran G, Bhanu D, Aruchamy B, Ramani P, Pandurangan N, Bobba KN, Oh EJ, Chung HY, Gangadaran P, Ahn BC. Chalcone: A Promising Bioactive Scaffold in Medicinal Chemistry. Pharmaceuticals (Basel) 2022; 15:ph15101250. [PMID: 36297362 PMCID: PMC9607481 DOI: 10.3390/ph15101250] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 09/26/2022] [Accepted: 10/01/2022] [Indexed: 11/16/2022] Open
Abstract
Chalcones are a class of privileged scaffolds with high medicinal significance due to the presence of an α,β-unsaturated ketone functionality. Numerous functional modifications of chalcones have been reported, along with their pharmacological behavior. The present review aims to summarize the structures from natural sources, synthesis methods, biological characteristics against infectious and non-infectious diseases, and uses of chalcones over the past decade, and their structure–activity relationship studies are detailed in depth. This critical review provides guidelines for the future design and synthesis of various chalcones. In addition, this could be highly supportive for medicinal chemists to develop more promising candidates for various infectious and non-infectious diseases.
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Affiliation(s)
- Gayathri Rajendran
- Dhanvanthri Laboratory, Department of Sciences, Amrita School of Physical Sciences, Amrita Vishwa Vidyapeetham, Coimbatore 641112, India
- Center of Excellence in Advanced Materials & Green Technologies (CoE–AMGT), Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Coimbatore 641112, India
| | - Deepu Bhanu
- Dhanvanthri Laboratory, Department of Sciences, Amrita School of Physical Sciences, Amrita Vishwa Vidyapeetham, Coimbatore 641112, India
- Center of Excellence in Advanced Materials & Green Technologies (CoE–AMGT), Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Coimbatore 641112, India
| | - Baladhandapani Aruchamy
- Dhanvanthri Laboratory, Department of Sciences, Amrita School of Physical Sciences, Amrita Vishwa Vidyapeetham, Coimbatore 641112, India
- Center of Excellence in Advanced Materials & Green Technologies (CoE–AMGT), Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Coimbatore 641112, India
| | - Prasanna Ramani
- Dhanvanthri Laboratory, Department of Sciences, Amrita School of Physical Sciences, Amrita Vishwa Vidyapeetham, Coimbatore 641112, India
- Center of Excellence in Advanced Materials & Green Technologies (CoE–AMGT), Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Coimbatore 641112, India
- Correspondence: (P.R.); (B.-C.A.)
| | - Nanjan Pandurangan
- Department of Sciences, Amrita School of Arts and Sciences, Mysuru Campus, Amrita Vishwa Vidyapeetham, Mysuru 570026, India
| | - Kondapa Naidu Bobba
- Department of Radiology and Biomedical Imaging, University of California (San Francisco), San Francisco, CA 94143, USA
| | - Eun Jung Oh
- Department of Plastic and Reconstructive Surgery, CMRI, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu 41944, Korea
| | - Ho Yun Chung
- Department of Plastic and Reconstructive Surgery, CMRI, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu 41944, Korea
- BK21 FOUR KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu 41944, Korea
| | - Prakash Gangadaran
- BK21 FOUR KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu 41944, Korea
- Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu 41944, Korea
| | - Byeong-Cheol Ahn
- BK21 FOUR KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu 41944, Korea
- Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu 41944, Korea
- Correspondence: (P.R.); (B.-C.A.)
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Kumar A, Kashver S, Sharma K, Kumar P, Devi V, Kumar A, Singh K. Microwave-Assisted Iodotrimethylsilane-Promoted Synthesis of Novel Pyrazolyl Chalcones. ORG PREP PROCED INT 2022. [DOI: 10.1080/00304948.2022.2099199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Affiliation(s)
- Anil Kumar
- Department of Chemistry, Akal College of Basic Sciences, Eternal University, Baru Sahib, District Sirmaur, India
| | - Shikha Kashver
- Department of Chemistry, Akal College of Basic Sciences, Eternal University, Baru Sahib, District Sirmaur, India
| | - Kajal Sharma
- Department of Chemistry, Akal College of Basic Sciences, Eternal University, Baru Sahib, District Sirmaur, India
| | - Parmod Kumar
- Department of Chemistry, School of Basic and Applied Sciences, Lingaya's Vidyapeeth, Nachauli, Faridabad, Haryana, India
| | - Vandana Devi
- Department of Chemistry, National Institute of Technology, Kurukshetra, Haryana, India
| | - Anil Kumar
- Department of Chemistry, Arya PG College Panipat, Haryana, India
| | - Karan Singh
- Department of Chemistry, Indira Gandhi University, Meerpur, Rewari, Haryana, India
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Atmaca H, Ilhan S, Korkmaz E, Zora M. Endoplasmic Reticulum Stress-Induced Apoptotic Effects of Novel 1-Pyrroline (3,4-Dihydro-2H-pyrrole) Derivatives on Breast Cancer Cells. Chem Biodivers 2022; 19:e202200123. [PMID: 35785434 DOI: 10.1002/cbdv.202200123] [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: 02/14/2022] [Accepted: 06/17/2022] [Indexed: 11/11/2022]
Abstract
Heterocyclic compounds have emerged as promising and appealing scaffolds for developing effective antitumor agents. Here, the effects of synthesized 24 different 1-pyrroline derivatives (PDs) containing substituted aryl sulfide moiety were investigated on human breast cancer cell lines. The viability of cells was assessed via MTT assay. Reactive oxygen species (ROS) generation was analyzed via fluorescent dye CM-H2DCFDA. Apoptotic cells were determined via flow cytometry. Endoplasmic reticulum (ER) stress-associated protein levels were analyzed via western blot analysis. Four of the PDs (PD-12, -14, -16 and -17) had great cytotoxic selectivity against breast cancer cells. Apoptotic cell death was induced by PDs via the generation of ROS. PDs significantly increased the GRP78, p-PEAK, p-eIF2α, and CHOP protein levels indicating ER stress in breast cancer cells. These results imply that newly synthesized PDs may be potential anticancer agents as they selectively inhibit breast cancer cells.
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Affiliation(s)
- Harika Atmaca
- Department of Biology, Faculty of Science and Letters, Celal Bayar University, 45140, Manisa, Turkey
| | - Suleyman Ilhan
- Department of Biology, Faculty of Science and Letters, Celal Bayar University, 45140, Manisa, Turkey
| | - Esra Korkmaz
- Department of Chemistry, Middle East Technical University, 06800, Ankara, Turkey
| | - Metin Zora
- Department of Chemistry, Middle East Technical University, 06800, Ankara, Turkey
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Huang X, Zheng D, Yong J, Li Y. Antifungal activity and potential mechanism of berberine hydrochloride against fluconazole-resistant Candida albicans. J Med Microbiol 2022; 71. [PMID: 35679157 DOI: 10.1099/jmm.0.001542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Introduction. The emergence of resistance to fluconazole in Candida albicans has made the clinical treatment of this microbe difficult. A potential strategy to address this problem involves diminishing fungal resistance to antimicrobial drugs.Hypothesis. Berberine hydrochloride (BH), the primary active ingredient of the traditional Chinese medicine (TCM) Coptis, inhibits the growth of fluconazole-resistant C. albicans through its action on the high-osmolarity glycerol mitogen-activated protein kinase (HOG-MAPK) pathway.Aim. To examine the effect of BH on the HOG-MAPK pathway to assess the potential molecular mechanism by which BH inhibits fluconazole-resistant C. albicans.Methodology. The minimum inhibitory concentration (MIC) of BH to fluconazole-resistant C. albicans was measured using the broth microdilution approach to determine the concentration of effective drug intervention. Changes in physiological functions regulated by the HOG-MAPK pathway in response to BH treatment were measured, as well as the expression of central signalling pathway genes and key downstream factors by qRT-PCR and Western blotting, respectively.Results. BH inhibited fluconazole-resistant C. albicans and the sensitivity to fluconazole increased after BH treatment. At a concentration of 256 and 64 μg ml-1 BH may affect key downstream factors that regulate several physiological functions of C. albicans by upregulating the core genes expression of SLN1, SSK2, HOG1, and PBS2 in the HOG-MAPK pathway. Upregulation of GPD1, the key gene for glycerol synthesis, increased cell osmotic pressure. BH treatment increased the accumulation of reactive oxygen species by upregulating the expression of the key respiratory metabolism gene ATP11 and downregulating the expression of the superoxide dismutase gene SOD2. Furthermore, downregulation of mycelial-specific HWP1 hindered the morphological transformation of C. albicans and inhibition of the chitin synthase gene CHS3 and the β-(1,3) glucan synthase gene GSC1 impaired cytoderm integrity.Conclusion. BH affects multiple target genes in diminishing the resistance of C. albicans strains to fluconazole. This effect may be related to the action of BH on the HOG-MAPK pathway.
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Affiliation(s)
- Xiaoxue Huang
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Sichuan 610041, PR China.,College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Sichuan 611137, PR China
| | - Dongming Zheng
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Sichuan 611137, PR China
| | - Jiangyan Yong
- Hospital of Chengdu University of Traditional Chinese Medicine, Sichuan 610075, PR China
| | - Yan Li
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Sichuan 611137, PR China
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Guchhait KC, Manna T, Barai M, Karmakar M, Nandi SK, Jana D, Dey A, Panda S, Raul P, Patra A, Bhattacharya R, Chatterjee S, Panda AK, Ghosh C. Antibiofilm and anticancer activities of unripe and ripe Azadirachta indica (neem) seed extracts. BMC Complement Med Ther 2022; 22:42. [PMID: 35152903 PMCID: PMC8843028 DOI: 10.1186/s12906-022-03513-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 01/07/2022] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Antibiotic resistances of pathogens and breast cancer warrant the search for new alternative strategies. Phytoextracts can eradicate microbe-borne diseases as well as cancer with lower side effects compared to conventional antibiotics. AIM Unripe and ripe Azadirachta indica (neem) seed extracts were explored as potential antibiofilm and anticancer agents in combating multidrug-resistant infectious bacteria as well as anticancer agents against the MDR breast cancer cell lines. METHODS Shed-dried neem seeds (both unripe and ripe) were pulverized and extracted using methanol. The chemical components were identified with FTIR and gas chromatography - mass spectrometry. Antibiofilm activity of neem seed extracts were assessed in terms of minimum biofilm inhibitory concentration (MBIC), minimum biofilm eradication concentration (MBEC), and fluorescence microscopic studies on Staphylococcus aureus and Vibrio cholerae. Bacterial cells were studied by fluorescence microscopy using acridine orange/ethidium bromide as the staining agents. Minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) values were evaluated to observe the antibacterial activities. Cytotoxicity of the extracts against human blood lymphocytes and the anticancer activity against drug-resistant breast cancer cell lines were assessed by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay and fluorescence-activated cell sorting (FACS) studies. RESULTS 4-Ethyl-2-hydroxy-2-cyclopentene-1-one, phthalic acid, and 2-hexyl-tetrahydro thiophane were the major compounds in unripe neem seed, whereas 3,5-dihydroxy-6-methyl-2,3-dihydro-4-H-pyran-4-one and 4-ethylbenzamide were predominant in ripe neem seed. Triazine derivatives were also common for both the extracts. MBIC values of unripe and ripe neem seed extracts for S. aureus are 75 and 100 µg/mL, respectively, and for V. cholerae, they are 100 and 300 µg/mL, respectively. MBEC values of unripe and ripe seed extracts are 500 and 300 µg/mL, respectively for S. aureus and for V. cholerae the values are 700 and 500 µg/mL, respectively. Fluorescence microscopic studies at 16 and 24 h, after bacterial culture, demonstrate enhanced antibiofilm activity for the ripe seed extract than that of the unripe seeds for both the bacteria. MTT assay reveals lower cytotoxicity of both the extracts towards normal blood lymphocytes, and anticancer activity against breast cancer cell line (MDA-MB-231) with superior activity of ripe seed extract. FACS studies further supported higher anticancer activity for ripe seed extract. CONCLUSIONS Methanolic extract of neem seeds could substantially inhibit and eradicate biofilm along with their potent antibacterial and anticancer activities. Both the extracts showed higher antibiofilm and antibacterial activity against S. aureus (gram-positive) than V. cholerae (gram-negative). Moreover, ripe seed extract showed higher antibiofilm and anticancer activity than unripe extracts.
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Affiliation(s)
- Kartik Chandra Guchhait
- Department of Human Physiology, Vidyasagar University, Midnapore, 721102, West Bengal, India
| | - Tuhin Manna
- Department of Human Physiology, Vidyasagar University, Midnapore, 721102, West Bengal, India
| | - Manas Barai
- Department of Chemistry, Vidyasagar University, Midnapore, 721102, West Bengal, India
| | - Monalisha Karmakar
- Department of Human Physiology, Vidyasagar University, Midnapore, 721102, West Bengal, India
| | - Sourav Kumar Nandi
- Department of Molecular Biology, Netaji Subhas Chandra Bose Cancer Research Institute, 3081 Nayabad, Kolkata, 700094, West Bengal, India
| | - Debarati Jana
- Department of Human Physiology, Vidyasagar University, Midnapore, 721102, West Bengal, India
| | - Aditi Dey
- Department of Human Physiology, Vidyasagar University, Midnapore, 721102, West Bengal, India
| | - Suman Panda
- Department of Biophysics, Bose Institute, P-1/12 CIT Road, Scheme VIIM, Kankurgachi, Kolkata, 700054, West Bengal, India
| | - Priyanka Raul
- Department of Human Physiology, Vidyasagar University, Midnapore, 721102, West Bengal, India
| | - Anuttam Patra
- Chemistry of Interfaces Group, Luleå University of Technology, SE- 97187, Luleå, Sweden
| | - Rittwika Bhattacharya
- Department of Molecular Biology, Netaji Subhas Chandra Bose Cancer Research Institute, 3081 Nayabad, Kolkata, 700094, West Bengal, India
| | - Subhrangsu Chatterjee
- Department of Biophysics, Bose Institute, P-1/12 CIT Road, Scheme VIIM, Kankurgachi, Kolkata, 700054, West Bengal, India
| | - Amiya Kumar Panda
- Department of Chemistry, Vidyasagar University, Midnapore, 721102, West Bengal, India
- Sadhu Ram Chand Murmu University of Jhargram, Jhargram, 721507, West Bengal, India
| | - Chandradipa Ghosh
- Department of Human Physiology, Vidyasagar University, Midnapore, 721102, West Bengal, India.
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Inhibitory Effects of Nitrogenous Metabolites from a Marine-Derived Streptomyces bacillaris on Isocitrate Lyase of Candida albicans. Mar Drugs 2022; 20:md20020138. [PMID: 35200667 PMCID: PMC8878140 DOI: 10.3390/md20020138] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/05/2022] [Accepted: 02/11/2022] [Indexed: 01/27/2023] Open
Abstract
Two nitrogenous metabolites, bacillimide (1) and bacillapyrrole (2), were isolated from the culture broth of the marine-derived actinomycete Streptomyces bacillaris. Based on the results of combined spectroscopic and chemical analyses, the structure of bacillimide (1) was determined to be a new cyclopenta[c]pyrrole-1,3-dione bearing a methylsulfide group, while the previously reported bacillapyrrole (2) was fully characterized for the first time as a pyrrole-carboxamide bearing an alkyl sulfoxide side chain. Bacillimide (1) and bacillapyrrole (2) exerted moderate (IC50 = 44.24 μM) and weak (IC50 = 190.45 μM) inhibitory effects on Candida albicans isocitrate lyase, respectively. Based on the growth phenotype using icl-deletion mutants and icl expression analyses, we determined that bacillimide (1) inhibits the transcriptional level of icl in C. albicans under C2-carbon-utilizing conditions.
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12
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Ibarra-Hernández JA, Gómez-Balderas R, Nivón-Ramírez D, García-Estrada JG, Mendoza-Jiménez DA, Martínez-Zaldívar A, Cruz-Sánchez TA, Tovar-Betancourt N, Luna-Mora RA, Penieres-Carrillo JG. Novel Compounds Based on Chalcone- and Pyrazoline-DIM Hybrids as Inhibitors of Staphylococcus aureus, Synthesis, DFT Studies, Biological Evaluation and Docking Studies. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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13
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Yassin S, Abubker M, Mohamed A, Omer S, Humeada S, Ahmed EMM, Alrahman MA. Antibacterial, Antioxidant Activities and GC-MS Analysis of <i>Dichrostachys cinera</i> (L.) Ethanolic Leaves Extract. PHARMACOLOGY & PHARMACY 2022; 13:545-557. [DOI: 10.4236/pp.2022.1312039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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14
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Abd El-Hameed RH, Sayed AI, Mahmoud Ali S, Mosa MA, Khoder ZM, Fatahala SS. Synthesis of novel pyrroles and fused pyrroles as antifungal and antibacterial agents. J Enzyme Inhib Med Chem 2021; 36:2183-2198. [PMID: 34602000 PMCID: PMC8491725 DOI: 10.1080/14756366.2021.1984904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Revised: 09/12/2021] [Accepted: 09/20/2021] [Indexed: 11/22/2022] Open
Abstract
Pyrroles and its fused forms possess antimicrobial activities, they can easily interact with biomolecules of living systems. A series of substituted pyrroles, and its fused pyrimidines and triazines forms have been synthesised, all newly synthesised compound structures were confirmed by spectroscopic analysis. Generally, the compounds inhibited growth of some important human pathogens, the best effect was given by: 2a, 3c, 4d on Gram-positive bacteria and was higher on yeast (C. albicans), by 5c on Gram-negative bacteria and by 5a then 3c on filamentous fungi (A. fumigatus and F. oxysporum). Such results present good antibacterial and antifungal potential candidates to help overcome the global problem of antibiotic resistance and opportunistic infections outbreak. Compound 3c gave the best anti-phytopathogenic effect at a 50-fold lower concentration than Kocide 2000, introducing a safe commercial candidate for agricultural use. The effect of the compounds on DNA was monitored to detect the mode of action.
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Affiliation(s)
- Rania Helmy Abd El-Hameed
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Helwan University, Helwan, Cairo, Egypt
| | - Amira Ibrahim Sayed
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Helwan University, Helwan, Cairo, Egypt
| | - Shima Mahmoud Ali
- Department of Chemistry, The state University of New York at Buffalo, New York, NY, USA
| | - Mohamed A. Mosa
- Microbiology and Immunology Department, Faculty of Pharmacy, Helwan University, Helwan, Cairo, Egypt
| | - Zainab M. Khoder
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Helwan University, Helwan, Cairo, Egypt
- Plant Pathology Research Institute, Agricultural Research Center, Giza, Egypt
| | - Samar Said Fatahala
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Helwan University, Helwan, Cairo, Egypt
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15
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Inhibitory effect of berberine hydrochloride against Candida albicans and the role of the HOG-MAPK pathway. J Antibiot (Tokyo) 2021; 74:807-816. [PMID: 34408288 DOI: 10.1038/s41429-021-00463-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 06/23/2021] [Accepted: 07/26/2021] [Indexed: 02/07/2023]
Abstract
Berberine hydrochloride (BH), an active component of Coptis chinensis and other plant taxa, has broad antimicrobial activity and may be useful for the treatment of Candida infections. In this study, the mechanisms underlying the inhibitory effect of BH against Candida albicans were evaluated, with a focus on the high-osmolarity glycerol mitogen-activated protein kinase (HOG-MAPK) pathway, which regulates multiple physiological functions. BH (256 and 64 μg ml-1) significantly increased intracellular glycerol and ROS levels in C. albicans, inhibited germ tube and hyphal formation, and increased chitin and β-1,3-glucan exposure on the cell wall. The inhibitory effect of BH was positively correlated with its concentration, and the inhibitory effect of 256 μg ml-1 BH was greater than that of 4 μg ml-1 fluconazole (FLC). Furthermore, RT-PCR analysis showed that 256 and 64 μg ml-1 BH altered the HOG-MAPK pathway in C. albicans. In particular, the upregulation of the core genes, SLN1, SSK2, HOG1, and PBS2 may affect the expression of key downstream factors related to glycerol synthesis and osmotic pressure (GPD1), ROS accumulation (ATP11 and SOD2), germ tube and hyphal formation (HWP1), and cell wall integrity (CHS3 and GSC1). BH affects multiple biological processes in C. albicans; thus, it can be an effective alternative to conventional azole antifungal agents.
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16
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Gunasekharan M, Choi TI, Rukayadi Y, Mohammad Latif MA, Karunakaran T, Mohd Faudzi SM, Kim CH. Preliminary Insight of Pyrrolylated-Chalcones as New Anti-Methicillin-Resistant Staphylococcus aureus (Anti-MRSA) Agents. Molecules 2021; 26:molecules26175314. [PMID: 34500755 PMCID: PMC8434082 DOI: 10.3390/molecules26175314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 08/27/2021] [Accepted: 08/28/2021] [Indexed: 11/16/2022] Open
Abstract
Bacterial infections are regarded as one of the leading causes of fatal morbidity and death in patients infected with diseases. The ability of microorganisms, particularly methicillin-resistant Staphylococcus aureus (MRSA), to develop resistance to current drugs has evoked the need for a continuous search for new drugs with better efficacies. Hence, a series of non-PAINS associated pyrrolylated-chalcones (1–15) were synthesized and evaluated for their potency against MRSA. The hydroxyl-containing compounds (8, 9, and 10) showed the most significant anti-MRSA efficiency, with the MIC and MBC values ranging from 0.08 to 0.70 mg/mL and 0.16 to 1.88 mg/mL, respectively. The time-kill curve and SEM analyses exhibited bacterial cell death within four hours after exposure to 9, suggesting its bactericidal properties. Furthermore, the docking simulation between 9 and penicillin-binding protein 2a (PBP2a, PDB ID: 6Q9N) suggests a relatively similar bonding interaction to the standard drug with a binding affinity score of −7.0 kcal/mol. Moreover, the zebrafish model showed no toxic effects in the normal embryonic development, blood vessel formation, and apoptosis when exposed to up to 40 µM of compound 9. The overall results suggest that the pyrrolylated-chalcones may be considered as a potential inhibitor in the design of new anti-MRSA agents.
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Affiliation(s)
- Mohanapriya Gunasekharan
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia;
| | - Tae-Ik Choi
- Department of Biology, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Korea;
| | - Yaya Rukayadi
- Natural Medicines and Product Research Laboratory, Institute of Bioscience, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia;
- Department of Food Science, Faculty of Food Science and Technology, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Muhammad Alif Mohammad Latif
- Centre of Foundation Studies for Agricultural Science, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia;
| | | | - Siti Munirah Mohd Faudzi
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia;
- Natural Medicines and Product Research Laboratory, Institute of Bioscience, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia;
- Correspondence: (S.M.M.F.); (C.-H.K.)
| | - Cheol-Hee Kim
- Department of Biology, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Korea;
- Correspondence: (S.M.M.F.); (C.-H.K.)
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Kasetti AB, Singhvi I, Nagasuri R, Bhandare RR, Shaik AB. Thiazole-Chalcone Hybrids as Prospective Antitubercular and Antiproliferative Agents: Design, Synthesis, Biological, Molecular Docking Studies and In Silico ADME Evaluation. Molecules 2021; 26:2847. [PMID: 34064806 PMCID: PMC8151732 DOI: 10.3390/molecules26102847] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 05/01/2021] [Accepted: 05/08/2021] [Indexed: 11/16/2022] Open
Abstract
Compounds bearing thiazole and chalcone pharmacophores have been reported to possess excellent antitubercular and anticancer activities. In view of this, we designed, synthesized and characterized a novel series of thiazole-chalcone hybrids (1-20) and further evaluated them for antitubercular and antiproliferative activities by employing standard protocols. Among the twenty compounds, chalcones 12 and 7, containing 2,4-difluorophenyl and 2,4-dichlorophenyl groups, showed potential antitubercular activity higher than the standard pyrazinamide (MIC = 25.34 µM) with MICs of 2.43 and 4.41 µM, respectively. Chalcone 20 containing heteroaryl 2-thiazolyl moiety exhibited promising antiproliferative activity against the prostate cancer cell line (DU-145), higher than the standard methotrexate (IC50 = 11 ± 1 µM) with an IC50 value of 6.86 ± 1 µM. Furthermore, cytotoxicity studies of these compounds against normal human liver cell lines (L02) revealed that the target molecules were comparatively less selective against L02. Additional computational studies using AutoDock predicted the key binding interactions responsible for the activity and the SwissADME tool computed the in silico drug likeliness properties. The lead compounds generated through this study, create a way for the optimization and development of novel drugs against tuberculosis infections and prostate cancer.
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Affiliation(s)
- Ashok Babu Kasetti
- Research Scholar, Faculty of Pharmacy, Pacific Academy of Higher Education and Research University, Pacific University, Udaipur 313003, India
- Dr. Samuel George Institute of Pharmaceutical Sciences, Markapuram, Andhra Pradesh 523316, India
| | - Indrajeet Singhvi
- Faculty of Pharmacy, Pacific Academy of Higher Education and Research University, Pacific University, Udaipur 313003, India;
| | - Ravindra Nagasuri
- A.M. Reddy Memorial College of Pharmacy, Narasaraopeta, Andhra Pradesh 523316, India;
| | - Richie R. Bhandare
- Department of Pharmaceutical Sciences, College of Pharmacy & Health Sciences, Ajman University, Ajman P.O. Box 346, United Arab Emirates
- Center of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman P.O. Box 346, United Arab Emirates
| | - Afzal B. Shaik
- Department of Pharmaceutical Chemistry, Vignan Pharmacy College, Vadlamudi, Guntur, Andhra Pradesh 522213, India
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18
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Silva MC, Duarte VS, Custodio JM, Queiroz JE, de Aquino GL, Oliver AG, Napolitano HB. Comparative Conformational Study of a New Terpenoid-like Chalcone. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129743] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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19
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Ladha G, Jeevaratnam K. A novel antibacterial compound produced by Lactobacillus plantarum LJR13 isolated from rumen liquor of goat effectively controls multi-drug resistant human pathogens. Microbiol Res 2020; 241:126563. [DOI: 10.1016/j.micres.2020.126563] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 07/11/2020] [Accepted: 07/23/2020] [Indexed: 11/16/2022]
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20
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Gao F, Huang G, Xiao J. Chalcone hybrids as potential anticancer agents: Current development, mechanism of action, and structure-activity relationship. Med Res Rev 2020; 40:2049-2084. [PMID: 32525247 DOI: 10.1002/med.21698] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Revised: 05/19/2020] [Accepted: 05/24/2020] [Indexed: 12/14/2022]
Abstract
The continuous emergency of drug-resistant cancers and the low specificity of anticancer agents have been the major challenges in the control and treatment of cancer, making an urgent need to develop novel anticancer agents with high efficacy. Chalcones, precursors of flavonoids and isoflavonoids, exhibit structural heterogeneity and can act on various drug targets. Chalcones which demonstrated potential in vitro and in vivo activity against both drug-susceptible and drug-resistant cancers, are useful templates for the development of novel anticancer agents. Hybridization of chalcone moiety with other anticancer pharmacophores could provide the hybrids which have the potential to overcome drug resistance and improve the specificity, so it represents a promising strategy to develop novel anticancer agents. This review emphasizes the development, the mechanisms of action as well as structure-activity relationships of chalcone hybrids with potential therapeutic application for many cancers in recent 10 years.
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Affiliation(s)
- Feng Gao
- State Key Laboratory of Biobased Material and Green Papermaking (LBMP), Qilu University of Technology (Shandong Academy of Sciences), Jinan, China.,Shanghai Key Laboratory of Molecular Imaging, Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - Gang Huang
- Shanghai Key Laboratory of Molecular Imaging, Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - Jiaqi Xiao
- State Key Laboratory of Biobased Material and Green Papermaking (LBMP), Qilu University of Technology (Shandong Academy of Sciences), Jinan, China.,Shanghai Key Laboratory of Molecular Imaging, Shanghai University of Medicine and Health Sciences, Shanghai, China
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21
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Shaik A, Bhandare RR, Palleapati K, Nissankararao S, Kancharlapalli V, Shaik S. Antimicrobial, Antioxidant, and Anticancer Activities of Some Novel Isoxazole Ring Containing Chalcone and Dihydropyrazole Derivatives. Molecules 2020; 25:molecules25051047. [PMID: 32110945 PMCID: PMC7179112 DOI: 10.3390/molecules25051047] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2020] [Revised: 02/17/2020] [Accepted: 02/23/2020] [Indexed: 12/19/2022] Open
Abstract
Our previous work identified isoxazole-based chalcones and their dihydropyrazole derivatives as two important five-membered heterocycles having antitubercular activity. Hence, in the present study, we biologically evaluated 30 compounds, including 15 isoxazole ring-containing chalcones (17-31) and 15 dihydropyrazoles (32-46) derived from these chalcones for their antimicrobial, antioxidant, and anticancer activities. Chalcones exhibited superior antibacterial and antioxidant activities compared to dihydropyrazoles. Among the chalcones, compound 28 showed potent antibacterial (MIC = 1 µg/mL) and antioxidant activities (IC50 = 5 ± 1 µg/mL). Dihydropyrazoles, on the contrary, demonstrated remarkable antifungal and anticancer activities. Compound 46 (IC50 = 2 ± 1 µg/mL) showed excellent antifungal activity whereas two other dihydropyrazoles 45 (IC50 = 2 ± 1 µg/mL) and 39 (IC50 = 4 ± 1 µg/mL) exhibited potential anticancer activity. The compounds were also tested for their toxicity on normal human cell lines (LO2) and were found to be nontoxic. The active compounds that have emerged out of this study are potential lead molecules for the development of novel drugs against infectious diseases, oxidative stress, and cancer.
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Affiliation(s)
- Afzal Shaik
- Department of Pharmaceutical Chemistry Vignan Pharmacy College, Jawaharlal Nehru Technological University, Vadlamudi-522213, Andhra Pradesh, India
- Correspondence: (A.S.); (R.R.B.); Tel.: +91-9966-014-374 (A.S.); +971-565646655 (R.R.B.)
| | - Richie R. Bhandare
- Department of Pharmaceutical Sciences, College of Pharmacy & Health Sciences, Ajman University, Ajman PO Box 346, UAE
- Correspondence: (A.S.); (R.R.B.); Tel.: +91-9966-014-374 (A.S.); +971-565646655 (R.R.B.)
| | - Kishor Palleapati
- Department of Pharmacognosy and Pharmaceutical Chemistry ASN Pharmacy College, Acharya Nagarjuna University, Tenali-522201, Andhra Pradesh, India; (K.P.); (V.K.)
| | | | - Venkata Kancharlapalli
- Department of Pharmacognosy and Pharmaceutical Chemistry ASN Pharmacy College, Acharya Nagarjuna University, Tenali-522201, Andhra Pradesh, India; (K.P.); (V.K.)
| | - Shahanaaz Shaik
- Department of Pharmaceutical Chemistry Victoria College of Pharmacy, Acharya Nagarjuna University, Nallapadu-522001, Guntur District, Andhra Pradesh, India;
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22
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Macarini AF, Sobrinho TUC, Rizzi GW, Corrêa R. Pyrazole–chalcone derivatives as selective COX-2 inhibitors: design, virtual screening, and in vitro analysis. Med Chem Res 2019. [DOI: 10.1007/s00044-019-02368-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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23
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El-Hiti GA, Abdel-Wahab BF, Mostafa MS, Khidre RE, Hegazy AS, Kariuki BM. ( E)-1-[5-Methyl-1-(4-methylphenyl)-1 H-1,2,3-triazol-4-yl]-3-(4-nitrophenyl)prop-2-en-1-one. IUCRDATA 2018. [DOI: 10.1107/s2414314618008416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023] Open
Abstract
The title compound, C19H16N4O3, crystallizes with two molecules (A and B) in the asymmetric unit. In molecule A, the dihedral angles between the triazole ring and the toluyl and nitrobenzene rings are 62.68 (16) and 10.77 (15)°, respectively. The corresponding data for molecule B are 68.61 (17) and 15.59 (15)°, respectively. In the crystal, the B molecules are linked by C—H...N hydrogen bonds to generate [001] chains. Weak C—H...π(benzene) and N—O...π(triazole) contacts are also present.
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24
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Design, synthesis,in vitroandin silicoevaluation of new pyrrole derivatives as monoamine oxidase inhibitors. Arch Pharm (Weinheim) 2018; 351:e1800082. [DOI: 10.1002/ardp.201800082] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 04/25/2018] [Accepted: 05/02/2018] [Indexed: 11/07/2022]
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25
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Alotaibi MH, Mohamed HA, Abdel-Wahab BF, El-Enin MABA, Ghabbour HA, El-Hiti GA. Crystal structure of ( E)-3-(3-(5-methyl-1-4-tolyl-1 H-1,2,3-triazol-4-yl)-1-phenyl-1 H-pyrazol-4-yl)-1-(5-methyl-1-phenyl-1 H-1,2,3-triazol-4-yl)prop-2-en-1-one, C 31H 26N 8O. Z KRIST-NEW CRYST ST 2018. [DOI: 10.1515/ncrs-2017-0420] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
C31H26N8O, triclinic, P1̄ (no. 2), a = 6.6046(3) Å, b = 15.1056(8) Å, c = 15.2115(8) Å, α = 61.996(2)°, β = 80.390(3)°, γ = 87.579(2)°, V = 1319.97(12) Å3, Z = 2, R
int = 0.108, wR(F
2) = 0.143, T = 296(2) K.
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Affiliation(s)
- Mohammad Hayal Alotaibi
- National Center for Petrochemicals Technology, King Abdulaziz City for Science and Technology, P.O. Box 6086 , Riyadh 11442 , Saudi Arabia
| | - Hanan A. Mohamed
- Department of Chemistry, College of Science and Humanities, Shaqra University , Duwadimi , Saudi Arabia
| | - Bakr F. Abdel-Wahab
- Department of Chemistry, College of Science and Humanities, Shaqra University , Duwadimi , Saudi Arabia
- Applied Organic Chemistry Department, National Research Centre, Dokki , Giza , Egypt
| | | | - Hazem A. Ghabbour
- Department of Medicinal Chemistry, Faculty of Pharmacy, University of Mansoura , Mansoura 35516 , Egypt
| | - Gamal A. El-Hiti
- Cornea Research Chair, Department of Optometry, College of Applied Medical Sciences, King Saud University, P.O. Box 10219 , Riyadh 11433 , Saudi Arabia
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