1
|
Design, Synthesis, in vitro and in silico Characterization of Plastoquinone Analogs Containing Piperidine Moiety as Antimicrobial Agents. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
|
2
|
Mataracı-Kara E, Bayrak N, Yıldız M, Yıldırım H, TuYuN AF. Exploring the Relationships between Structure and Antimicrobial Potency of Quinolinequinones. Antibiotics (Basel) 2022; 11:antibiotics11101397. [PMID: 36290056 PMCID: PMC9598922 DOI: 10.3390/antibiotics11101397] [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: 08/17/2022] [Revised: 09/18/2022] [Accepted: 09/26/2022] [Indexed: 11/16/2022] Open
Abstract
Microorganisms are responsible for hospital infections, and methicillin-resistant Staphylococcus aureus is one of them. In looking for the most effective lead structures to cope with the rise of antimicrobial (antibiotic) resistance, we evaluated the antimicrobial profile of quinolinequinones for potential antimicrobial applications. 1,4-quinone molecules fused with heteroatom have been studied extensively for many years as a source of drugs and lead structures. The aims of this study were to evaluate the antimicrobial activity of quinolinequinones against bacterial and fungal strains, and to probe for potential lead structures. For this reason, the activity of these compounds against three different strains of Candida fungi (C. albicans, C. parapsilosis, and C. tropicalis) and Gram-positive and Gram-negative pathogenic bacteria were investigated, searching for potential lead compounds. Five of nine quinolinequinones showed activity mainly against the Gram-positive strains with a minimal inhibitory concentration within the Clinical and Laboratory Standards Institute (CLSI) levels. The results revealed that quinolinequinones have significant activity against bacteria including Staphylococcus aureus and Staphylococcus epidermidis, and fungi including Candida albicans and Candida parapsilosis. QQ1, QQ2, QQ3, QQ5, and QQ6 exhibited the highest growth inhibition against two essential species of the Gram-positive strains (Staphylococcus epidermidis and Staphylococcus aureus). Among these, four molecules (QQ2, QQ3, QQ5, and QQ6) were also active against Enterococcus faecalis, the other member of the Gram-positive strains. The antifungal profile of two quinolinequinones (QQ7 and QQ8) indicated that they were as effective as the reference drug Clotrimazole against Candida albicans. The same molecules also have potential inhibitory antifungal activity against Candida tropicalis. For better understanding, the most active two quinolinequinones (QQ2 and QQ6) were examined for biofilm inhibition and a time-kill kinetic study.
Collapse
Affiliation(s)
- Emel Mataracı-Kara
- Pharmaceutical Microbiology Department, Pharmacy Faculty, Istanbul University, Beyazit, Istanbul 34116, Turkey
| | - Nilüfer Bayrak
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpasa, Avcilar, Istanbul 34320, Turkey
| | - Mahmut Yıldız
- Chemistry Department, Gebze Technical University, Gebze, Kocaeli 41400, Turkey
| | - Hatice Yıldırım
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpasa, Avcilar, Istanbul 34320, Turkey
| | - Amaç Fatih TuYuN
- Department of Chemistry, Faculty of Science, Istanbul University, Fatih, Istanbul 34126, Turkey
- Correspondence: or ; Tel.: +90-2124400000
| |
Collapse
|
3
|
Exploring the Anticancer Effects of Brominated Plastoquinone Analogs with Promising Cytotoxic Activity in MCF-7 Breast Cancer Cells via Cell Cycle Arrest and Oxidative Stress Induction. Pharmaceuticals (Basel) 2022; 15:ph15070777. [PMID: 35890076 PMCID: PMC9318129 DOI: 10.3390/ph15070777] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 06/13/2022] [Accepted: 06/15/2022] [Indexed: 02/04/2023] Open
Abstract
Plastoquinone analogs are privileged structures among the known antiproliferative natural product-based compound families. Exploiting one of these analogs as a lead structure, we report the investigation of the brominated PQ analogs (BrPQ) in collaboration with the National Cancer Institute of Bethesda within the Developmental Therapeutics Program (DTP). These analogs exhibited growth inhibition in the micromolar range across leukemia, non-small cell lung cancer (EKVX, HOP-92, and NCI-H522), colon cancer (HCT-116, HOP-92), melanoma (LOX IMVI), and ovarian cancer (OVCAR-4) cell lines. One brominated PQ analog (BrPQ5) was selected for a full panel five-dose in vitro assay by the NCI’s Development Therapeutic Program (DTP) division to determine GI50, TGI, and LC50 parameters. The brominated PQ analog (BrPQ5) displayed remarkable activity against most tested cell lines, with GI50 values ranging from 1.55 to 4.41 µM. The designed molecules (BrPQ analogs) obeyed drug-likeness rules, displayed a favorable predictive Absorption, Distribution, Metabolism, and Excretion (ADME) profile, and an in silico simulation predicted a possible BrPQ5 interaction with proteasome catalytic subunits. Furthermore, the in vitro cytotoxic activity of BrPQ5 was assessed, and IC50 values for U-251 glioma, MCF-7 and MDA-MB-231 breast cancers, DU145 prostate cancer, HCT-116 colon cancer, and VHF93 fibroblast cell lines were evaluated using an MTT assay. MCF-7 was the most affected cell line, and the effects of BrPQ5 on cell proliferation, cell cycle, oxidative stress, apoptosis/necrosis induction, and proteasome activity were further investigated in MCF-7 cells. The in vitro assay results showed that BrPQ5 caused cytotoxicity in MCF-7 breast cancer cells via cell cycle arrest and oxidative stress induction. However, BrPQ5 did not inhibit the catalytic activity of the proteasome. These results provide valuable insights for further discovery of novel antiproliferative agents.
Collapse
|
4
|
Highly Active Small Aminated Quinolinequinones against Drug-Resistant Staphylococcus aureus and Candida albicans. Molecules 2022; 27:molecules27092923. [PMID: 35566274 PMCID: PMC9104734 DOI: 10.3390/molecules27092923] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 04/22/2022] [Accepted: 04/28/2022] [Indexed: 02/02/2023] Open
Abstract
Two subseries of aminated quinolinequinones (AQQs, AQQ1-16) containing electron-withdrawing group (EWG) or electron-donating group (EDG) in aryl amine moiety were successfully synthesized. Antimicrobial activity assessment indicates that some of the AQQs (AQQ8-10 and AQQ12-14) with an EDG in aryl amine exhibited strong antibacterial activity against Gram-positive bacterial strains, including Staphylococcus aureus (ATCC® 29213) and Enterococcus faecalis (ATCC® 29212). In contrast, AQQ4 with an EWG in aryl amine displayed excellent antifungal activity against fungi Candida albicans (ATCC® 10231) with a MIC value of 1.22 μg/mL. To explore the mode of action, the selected AQQs (AQQ4 and AQQ9) were further evaluated in vitro to determine their antimicrobial activity against each of 20 clinically obtained resistant strains of Gram-positive bacteria by performing antibiofilm activity assay and time-kill curve assay. In addition, in silico studies were carried out to determine the possible mechanism of action observed in vitro. The data obtained from these experiments suggests that these molecules could be used to target pathogens in different modes of growth, such as planktonic and biofilm.
Collapse
|
5
|
Yıldırım H, Yıldız M, Bayrak N, Mataracı-Kara E, Özbek-Çelik B, Otsuka M, Fujita M, Radwan MO, TuYuN AF. Natural-product-inspired design and synthesis of thiolated coenzyme Q analogs as promising agents against Gram-positive bacterial strains: insights into structure–activity relationship, activity profile, mode of action, and molecular docking. RSC Adv 2022; 12:20507-20518. [PMID: 35919160 PMCID: PMC9284347 DOI: 10.1039/d2ra02136f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Accepted: 07/05/2022] [Indexed: 11/21/2022] Open
Abstract
In an attempt to develop effective and potentially active antibacterial and/or antifungal agents, we designed, synthesized, and characterized thiolated CoQ analogs (CoQ1–8) with an extensive antimicrobial study. The antimicrobial profile of these analogs was determined using four Gram-negative bacteria, three Gram-positive bacteria, and three fungi. Because of the fact that the thiolated CoQ analogs were quite effective on all tested Gram-positive bacterial strains, including Staphylococcus aureus (ATCC® 29213) and Enterococcus faecalis (ATCC® 29212), the first two thiolated CoQ analogs emerged as potentially the most desirable ones in this series. Importantly, after the evaluation of the antibacterial and antifungal activity, we presented an initial structure–activity relationship for these CoQ analogs. In addition, the most promising thiolated CoQ analogs (CoQ1 and CoQ2) having the lowest MIC values on all tested Gram-positive bacterial strains, were further evaluated for their inhibition capacities of biofilm formation after evaluating their in vitro potential antimicrobial activity against each of 20 clinically obtained resistant strains of Gram-positive bacteria. CoQ1 and CoQ2 exhibited potential molecular interactions with S. aureus DNA gyrase in addition to excellent pharmacokinetics and lead-likeness profiles. Our findings offer important implications for a potential antimicrobial drug candidate, in particular for the treatment of infections caused by clinically resistant MRSA isolates. In an attempt to develop effective and potentially active antibacterial and/or antifungal agents, we designed, synthesized, and characterized thiolated CoQ analogs (CoQ1–8) with an extensive antimicrobial study.![]()
Collapse
Affiliation(s)
- Hatice Yıldırım
- Department of Chemistry, Engineering Faculty, Istanbul University-Cerrahpasa, Avcilar, 34320, Istanbul, Turkey
| | - Mahmut Yıldız
- Department of Chemistry, Gebze Technical University, Gebze, 41400, Kocaeli, Turkey
| | - Nilüfer Bayrak
- Department of Chemistry, Engineering Faculty, Istanbul University-Cerrahpasa, Avcilar, 34320, Istanbul, Turkey
| | - Emel Mataracı-Kara
- Department of Pharmaceutical Microbiology, Pharmacy Faculty, Istanbul University, Beyazit, 34116, Istanbul, Turkey
| | - Berna Özbek-Çelik
- Department of Pharmaceutical Microbiology, Pharmacy Faculty, Istanbul University, Beyazit, 34116, Istanbul, Turkey
| | - Masami Otsuka
- Medicinal and Biological Chemistry Science Farm Joint Research Laboratory, Faculty of Life Sciences, Kumamoto University, 5–1 Oe-honmachi, Chuo-ku, Kumamoto 862–0973, Japan
- Department of Drug Discovery, Science Farm Ltd, 1–7–30 Kuhonji, Chuo-ku, Kumamoto 862–0976, Japan
| | - Mikako Fujita
- Medicinal and Biological Chemistry Science Farm Joint Research Laboratory, Faculty of Life Sciences, Kumamoto University, 5–1 Oe-honmachi, Chuo-ku, Kumamoto 862–0973, Japan
| | - Mohamed O. Radwan
- Medicinal and Biological Chemistry Science Farm Joint Research Laboratory, Faculty of Life Sciences, Kumamoto University, 5–1 Oe-honmachi, Chuo-ku, Kumamoto 862–0973, Japan
- Chemistry of Natural Compounds Department, Pharmaceutical and Drug Industries Research Division, National Research Centre, Dokki, Cairo 12622, Egypt
| | - Amaç Fatih TuYuN
- Department of Chemistry, Faculty of Science, Istanbul University, Fatih, Istanbul, Turkey
| |
Collapse
|
6
|
Abd El-Aleam RH, George RF, Georgey HH, Abdel-Rahman HM. Bacterial virulence factors: a target for heterocyclic compounds to combat bacterial resistance. RSC Adv 2021; 11:36459-36482. [PMID: 35494393 PMCID: PMC9043591 DOI: 10.1039/d1ra06238g] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 11/01/2021] [Indexed: 12/17/2022] Open
Abstract
Antibiotic resistance is one of the most important challenges of the 21st century. However, the growing understanding of bacterial pathogenesis and cell-to-cell communication has revealed many potential strategies for the discovery of drugs that can be used for the treatment of bacterial infections. Interfering with bacterial virulence and/or quorum sensing could be a particularly interesting approach, because it is believed to exert less selective pressure on the bacterial resistance than with traditional strategies, geared toward killing bacteria or preventing their growth. Here, we discuss the mechanism of bacterial virulence, presenting promising strategies and recently synthesized heterocyclic compounds to combat future bacterial infections.
Collapse
Affiliation(s)
- Rehab H Abd El-Aleam
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Modern University for Technology and Information MTI Cairo 11571 Egypt
| | - Riham F George
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Cairo University Cairo 11562 Egypt
| | - Hanan H Georgey
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Cairo University Cairo 11562 Egypt
- Pharmaceutical Chemistry Department, Faculty of Pharmacy and Drug Technology, Egyptian Chinese University Cairo 11786 Egypt
| | - Hamdy M Abdel-Rahman
- Medicinal Chemistry Department, Faculty of Pharmacy, Assiut University Assiut 71526 Egypt
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Nahda University Beni Suef Egypt
| |
Collapse
|
7
|
Mataracı-Kara E, Bayrak N, Yıldız M, Yıldırım H, Özbek-Çelik B, Tuyun AF. Discovery and structure-activity relationships of the quinolinequinones: Promising antimicrobial agents and mode of action evaluation. Drug Dev Res 2021; 83:628-636. [PMID: 34668593 DOI: 10.1002/ddr.21893] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 09/11/2021] [Accepted: 10/04/2021] [Indexed: 01/09/2023]
Abstract
In our pursuit of developing the novel, potent, and selective antimicrobial agents, we managed to obtain the quinolinequinone for their antimicrobial profile with minimal inhibitory concentrations (MICs) determined against a panel of seven bacterial strains (three gram-positive and four gram-negative bacteria) and three fungi. The structure-activity relationship (SAR) for the quinolinequinone class of antimicrobials was determined. Interestingly, QQ1, QQ4, QQ6-9, QQ12, and QQ13 displayed equal antibacterial potential against S. aureus (MIC = 1.22 mg/L), respectively, to the standard positive control Cefuroxime-Na. QQ10 had the best inhibitory activity with the MIC value of 1.22 mg/L (fourfold more potent compared to reference standard Clotrimazole) against Candida albicans. On the other hand, while QQ10 is not too effective against gram-positive bacteria as much as the other analogs, QQ10 was the most effective quinolinequinones against fungi. Selected quinolinequinones were further evaluated for the mode of action, using in vitro antibiofilm activity, bactericidal activity by using time-kill curve assay, antibiofilm activity, and potential antimicrobial activity against each of 32 clinically obtained resistant strains of Gram-positive Bacteria. The results also revealed that the QQ14 had specific antifungal activity against fungi in particular C. albicans. Our results clearly showed that quinolinequinones are much more active in the inhibition of the biofilm attachment process than the inhibition of mature biofilm formation. Thus, as treatment options are narrowing for Methicillin-resistant Staphylococcus spp., Vancomycin-resistant Staphylococcus spp. daily, the quinolinequinones reported herein display promise as the lead candidates for further clinical applications against serious infections.
Collapse
Affiliation(s)
- Emel Mataracı-Kara
- Pharmaceutical Microbiology Department, Pharmacy Faculty, Istanbul University, Istanbul, Turkey
| | - Nilüfer Bayrak
- Department of Chemistry, Faculty of Engineering, Istanbul University, Istanbul, Turkey
| | - Mahmut Yıldız
- Chemistry Department, Gebze Technical University, Kocaeli, Turkey
| | - Hatice Yıldırım
- Department of Chemistry, Faculty of Engineering, Istanbul University, Istanbul, Turkey
| | - Berna Özbek-Çelik
- Pharmaceutical Microbiology Department, Pharmacy Faculty, Istanbul University, Istanbul, Turkey
| | - Amaç Fatih Tuyun
- Department of Chemistry, Faculty of Science, Istanbul University, Istanbul, Turkey
| |
Collapse
|
8
|
Yıldız M, Bayrak N, Yıldırım H, Mataracı-Kara E, Shilkar D, Jayaprakash V, Fatih Tuyun A. Exploration of brominated Plastoquinone analogs: Discovery and structure-activity relationships of small antimicrobial lead molecules. Bioorg Chem 2021; 116:105316. [PMID: 34509796 DOI: 10.1016/j.bioorg.2021.105316] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 08/04/2021] [Accepted: 08/28/2021] [Indexed: 11/19/2022]
Abstract
In the fight with the antimicrobial resistance, our continuous effort to find quinone analogs with higher inhibitory activity has previously led us to the promising Plastoquinone analogs. The 1,4-quinone moiety substituted with alkoxy substituent(s) plays an important role in the field of antimicrobial and anticancer drug discovery and development. Thus, an extensive series of 1,4-quinones, substituted in different positions with a variety of alkoxy substituents, has been designed, synthesized, and evaluated for their antimicrobial activity. Here, we describe the synthesis of brominated Plastoquinone analogs (BrPQ1-15) based on the dimethyl-1,4-quinone scaffold by employing two different paths. We also present here the in vitro antimicrobial activity of these analogs (BrPQ1-15) against a panel of pathogenic organisms. These studies resulted in several new selective antibacterial inhibitors and gave valuable insights into the structure-activity relationships. Among all the analogs studied, two analogs BrPQ1 with a methoxy substituent and BrPQ14 with a cyclic dioxy stand out as the most promising antibacterial molecules against Staphylococcus aureus and Staphylococcus epidermidis. Afterwards, two analogs were selected for a further investigation for biofilm evaluation. Finally, molecular docking studies for BrPQ1 and BrPQ14 with probable target S. aureus PNPase (5XEX) and predictive ADMET studies were also carried out.
Collapse
Affiliation(s)
- Mahmut Yıldız
- Department of Chemistry, Gebze Technical University, Gebze 41400, Kocaeli, Turkey
| | - Nilüfer Bayrak
- Department of Chemistry, Engineering Faculty, Istanbul University-Cerrahpasa, Avcilar 34320, Istanbul, Turkey
| | - Hatice Yıldırım
- Department of Chemistry, Engineering Faculty, Istanbul University-Cerrahpasa, Avcilar 34320, Istanbul, Turkey
| | - Emel Mataracı-Kara
- Department of Pharmaceutical Microbiology, Pharmacy Faculty, Istanbul University, Beyazit 34116, Istanbul, Turkey
| | - Deepak Shilkar
- Department of Pharmaceutical Sciences & Technology, Birla Institute of Technology, Mesra, Ranchi 835215, Jharkhand, India
| | - Venkatesan Jayaprakash
- Department of Pharmaceutical Sciences & Technology, Birla Institute of Technology, Mesra, Ranchi 835215, Jharkhand, India
| | - Amaç Fatih Tuyun
- Department of Chemistry, Faculty of Science, Istanbul University, Fatih, Istanbul, Turkey.
| |
Collapse
|
9
|
Plastoquinone analogs: a potential antimicrobial lead structure intensely suppressing Staphylococcus epidermidis and Candida albicans growth. Med Chem Res 2021. [DOI: 10.1007/s00044-021-02772-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|
10
|
Bayrak N, Ciftci HI, Yıldız M, Yıldırım H, Sever B, Tateishi H, Otsuka M, Fujita M, Tuyun AF. Structure based design, synthesis, and evaluation of anti-CML activity of the quinolinequinones as LY83583 analogs. Chem Biol Interact 2021; 345:109555. [PMID: 34146539 DOI: 10.1016/j.cbi.2021.109555] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 05/22/2021] [Accepted: 06/10/2021] [Indexed: 12/27/2022]
Abstract
Quinone-based small molecules are the promising structures for antiproliferative drug design and can induce apoptosis in cancer cells. Among them, one of the quinolinequinones, named as 6-anilino-5,8-quinolinequinone, LY83583 has the ability to inhibit the growth of cancer cells as an inhibitor of cyclase. The biological potential of all synthesized compounds as the analogs of the identified lead molecule LY83583 that possessed the antiproliferative efficiency was determined. The two series of the LY83583 analogs containing electron-withdrawing or electron-donating group(s) were synthesized and subsequently in vitro evaluated for their cytotoxic activity against K562, Jurkat, MT-2, and HeLa cell lines using MTT assay. All the LY83583 analogs showed antiproliferative activity with good IC50 values (less than positive control imatinib). Four analogs from each series were also selected for the determination of selectivity against human peripheral blood mononuclear cells (PBMCs). The analog AQQ15 showed high potency towards all cancer cell lines with almost similar selectivity of imatinib. In order to get a better insight into cytotoxic effects of the analog AQQ15 in K562 cells, further apoptotic effects due to annexin V/ethidium homodimer III staining, ABL1 kinase inhibition, and DNA cleaving ability were examined. The analog AQQ15 induced apoptotic cell death in K562 cells with 34.6% compared to imatinib (6.5%). This analog showed no considerable ABL1 kinase inhibitory activity but significant DNA cleavage activity indicating DNA fragmentation-induced apoptosis. Besides, molecular docking studies revealed that the analog AQQ15 established proper interactions with the deoxyribose sugar attached with the nucleobases adenine and guanidine respectively, in the minor groove of the double helix of DNA. In silico predicted pharmacokinetic parameters of this analog were found to comply with the standard range making it an efficient anticancer drug candidate for further research.
Collapse
Affiliation(s)
- Nilüfer Bayrak
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpasa, Avcilar, Istanbul, Turkey
| | - Halil I Ciftci
- Department of Drug Discovery, Science Farm Ltd., Kumamoto, Japan; Medicinal and Biological Chemistry Science Farm Joint Research Laboratory, School of Pharmacy, Kumamoto University, Kumamoto, Japan
| | - Mahmut Yıldız
- Chemistry Department, Gebze Technical University, Gebze, Kocaeli, Turkey
| | - Hatice Yıldırım
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpasa, Avcilar, Istanbul, Turkey
| | - Belgin Sever
- Medicinal and Biological Chemistry Science Farm Joint Research Laboratory, School of Pharmacy, Kumamoto University, Kumamoto, Japan; Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Anadolu University, Eskisehir, Turkey
| | - Hiroshi Tateishi
- Medicinal and Biological Chemistry Science Farm Joint Research Laboratory, School of Pharmacy, Kumamoto University, Kumamoto, Japan
| | - Masami Otsuka
- Department of Drug Discovery, Science Farm Ltd., Kumamoto, Japan; Medicinal and Biological Chemistry Science Farm Joint Research Laboratory, School of Pharmacy, Kumamoto University, Kumamoto, Japan
| | - Mikako Fujita
- Medicinal and Biological Chemistry Science Farm Joint Research Laboratory, School of Pharmacy, Kumamoto University, Kumamoto, Japan.
| | - Amaç Fatih Tuyun
- Department of Chemistry, Faculty of Science, Istanbul University, Fatih, Istanbul, Turkey.
| |
Collapse
|
11
|
Novel plastoquinone analogs containing benzocaine and its analogs: structure‐based design, synthesis, and structural characterization. RESEARCH ON CHEMICAL INTERMEDIATES 2021. [DOI: 10.1007/s11164-020-04384-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
|
12
|
Nural Y, Ozdemir S, Doluca O, Demir B, Yalcin MS, Atabey H, Kanat B, Erat S, Sari H, Seferoglu Z. Synthesis, biological properties, and acid dissociation constant of novel naphthoquinone–triazole hybrids. Bioorg Chem 2020; 105:104441. [DOI: 10.1016/j.bioorg.2020.104441] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 09/17/2020] [Accepted: 10/27/2020] [Indexed: 12/18/2022]
|
13
|
Brominated plastoquinone analogs: Synthesis, structural characterization, and biological evaluation. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128560] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
|
14
|
Santos-Pirath IM, Walter LO, Maioral MF, Philippus AC, Zatelli GA, Horta PA, Colepicolo P, Falkenberg MDB, Santos-Silva MC. Apoptotic events induced by a natural plastoquinone from the marine alga Desmarestia menziesii in lymphoid neoplasms. Exp Hematol 2020; 86:67-77.e2. [PMID: 32422231 DOI: 10.1016/j.exphem.2020.05.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 05/08/2020] [Accepted: 05/10/2020] [Indexed: 12/11/2022]
Abstract
There exists an urgent need for the development of new drugs for the treatment of lymphoid neoplasms. The aim of this study was to evaluate the cytotoxic effect of the marine plastoquinone 9'-hydroxysargaquinone (9'-HSQ), focusing on investigation of the mechanism by which it causes death in lymphoid neoplastic cells. This particular plastoquinone reduced the cell viability of different hematological tumor cell lines in a time-dependent and concentration-dependent manner. Intrinsic apoptosis occurred with time-dependent reduction of mitochondrial membrane potential (42.3 ± 1.1% of Daudi cells and 18.6 ± 5.6% of Jurkat cells maintained mitochondrial membrane integrity) and apoptosis-inducing factor release (Daudi: 133.3 ± 8.1%, Jurkat: 125.7 ± 6.9%). Extrinsic apoptosis also occurred, as reflected by increased FasR expression (Daudi: 139.5 ± 7.1%, Jurkat: 126.0 ± 1.0%). Decreases were observed in the expression of Ki-67 proliferation marker (Daudi: 67.5 ± 2.5%, Jurkat: 84.3 ± 3.8%), survivin (Daudi: 66.0 ± 9.9%, Jurkat: 63.1 ± 6.0%), and NF-κB (0.7 ± 0.04% in Jurkat cells). Finally, 9'-HSQ was cytotoxic to neoplastic cells from patients with different lymphoid neoplasms (IC50: 4.9 ± 0.6 to 34.2 ± 0.4 µmol/L). These results provide new information on the apoptotic mechanisms of 9'-HSQ and suggest that it might be a promising alternative for the treatment of lymphoid neoplasms.
Collapse
Affiliation(s)
- Iris Mattos Santos-Pirath
- Experimental Oncology and Hemopathics Laboratory, Clinical Analysis Department, Federal University of Santa Catarina, Florianópolis, SC, Brazil; Post-graduation Program in Pharmaceutical Sciences, Health Sciences Center, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Laura Otto Walter
- Experimental Oncology and Hemopathics Laboratory, Clinical Analysis Department, Federal University of Santa Catarina, Florianópolis, SC, Brazil; Post-graduation Program in Pharmaceutical Sciences, Health Sciences Center, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Mariana Franzoni Maioral
- Experimental Oncology and Hemopathics Laboratory, Clinical Analysis Department, Federal University of Santa Catarina, Florianópolis, SC, Brazil; Post-graduation Program in Pharmaceutical Sciences, Health Sciences Center, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Ana Cláudia Philippus
- Post-graduation Program in Pharmaceutical Sciences, Health Sciences Center, Federal University of Santa Catarina, Florianópolis, SC, Brazil; Research Group of Natural and Synthetic Marine Products, Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Gabriele Andressa Zatelli
- Post-graduation Program in Pharmaceutical Sciences, Health Sciences Center, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Paulo Antunes Horta
- Research Group of Natural and Synthetic Marine Products, Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Pio Colepicolo
- Department of Chemistry, University of São Paulo, São Paulo, SP, Brazil
| | - Miriam De Barcellos Falkenberg
- Post-graduation Program in Pharmaceutical Sciences, Health Sciences Center, Federal University of Santa Catarina, Florianópolis, SC, Brazil; Research Group of Natural and Synthetic Marine Products, Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Maria Cláudia Santos-Silva
- Experimental Oncology and Hemopathics Laboratory, Clinical Analysis Department, Federal University of Santa Catarina, Florianópolis, SC, Brazil; Post-graduation Program in Pharmaceutical Sciences, Health Sciences Center, Federal University of Santa Catarina, Florianópolis, SC, Brazil.
| |
Collapse
|
15
|
Kara EM, Bayrak N, Yıldırım H, Yıldız M, Celik BO, Tuyun AF. Chlorinated plastoquinone analogs that inhibit Staphylococcus epidermidis and Candida albicans growth. Folia Microbiol (Praha) 2020; 65:785-795. [PMID: 32458315 DOI: 10.1007/s12223-020-00783-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Accepted: 02/28/2020] [Indexed: 02/06/2023]
Abstract
Infectious diseases are the significant global health problem because of drug resistance to most classes of antimicrobials. Interest is growing in the development of new antimicrobials in pharmaceutical discovery. For that reason, the urgency for scientists to find and/or develop new important molecules is needed. Many natural active molecules that exhibit various biological activities have been isolated from the nature. For the present research, a new selected set of aminobenzoquinones, denoted as plastoquinone analogs (PQ1-24), was employed for their in vitro antimicrobial potential in a panel of seven bacterial strains (three Gram-positive and four Gram-negative bacteria) and three fungi. The results revealed PQ analogs with specific activity against bacteria including Staphylococcus epidermidis and pathogenic fungi, including Candida albicans. PQ8 containing methoxy group at the ortho position on the phenylamino moiety exhibited the highest growth inhibition against S. epidermidis with a minimum inhibitory concentration of 9.76 μg/mL. The antifungal profile of all PQ analogs indicated that five analogs (while PQ1, PQ8, PQ9, PQ11, and PQ18 were effective against Candida albicans, PQ1 and PQ18 were effective against Candida tropicalis) have potent antifungal activity. Selected analogs, PQ1 and PQ18, were studied for biofilm evaluation and time-kill kinetic study for better understanding.
Collapse
Affiliation(s)
- Emel Mataracı Kara
- Pharmaceutical Microbiology Department, Pharmacy Faculty, Istanbul University, Beyazit, 34116, Istanbul, Turkey.
| | - Nilüfer Bayrak
- Chemistry Department, Engineering Faculty, Istanbul University-Cerrahpasa, Avcilar, 34320, Istanbul, Turkey
| | - Hatice Yıldırım
- Chemistry Department, Engineering Faculty, Istanbul University-Cerrahpasa, Avcilar, 34320, Istanbul, Turkey
| | - Mahmut Yıldız
- Chemistry Department, Gebze Technical University, Gebze, 41400, Kocaeli, Turkey
| | - Berna Ozbek Celik
- Pharmaceutical Microbiology Department, Pharmacy Faculty, Istanbul University, Beyazit, 34116, Istanbul, Turkey
| | - Amaç Fatih Tuyun
- Department of Chemistry, Faculty of Science, Istanbul University, Vezneciler, 34134, Istanbul, Turkey.
| |
Collapse
|