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Jin Y, Wang Z, Aobulikasimu N, Hu Y, Zhang Z, Lv H, Mu Y, Jiang Y, Han L, Huang X. Discovery, synthesis, and cytotoxic evaluation of isoquinolinequinones produced by Streptomyces albidoflavus derived from lichen. RSC Adv 2023; 13:34670-34680. [PMID: 38035238 PMCID: PMC10682742 DOI: 10.1039/d3ra07416a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 11/22/2023] [Indexed: 12/02/2023] Open
Abstract
Four isoquinolinequinones (1-4) were isolated from the fermentation broth of Streptomyces albidoflavus which were derived from lichens. Among them, mansouramycin H (1) was identified as a new isoquinolinequinone by comprehensive spectroscopic data analysis. The mansouramycins from S. albidoflavus presented broad cytotoxic activities, especially against MDA-MB-231, but the SAR and mechanism were still unclear. The total synthesis of mansouramycin H (1) and its twenty-three derivatives were completed and their cytotoxic activities against MDA-MB-231 were evaluated in vitro. Primary SAR revealed that the piperazine moieties introduced into the amino group at C-7 could improve the activities of mansouramycins. Benzoyl and phenylacetyl groups on piperazine fragments had better activities than those of benzyl substitution; the alkyl substituent on piperazine exhibited optimal activity. Among them, compound 1g showed the strongest cytotoxicity against MBA-MB-231 cells with an IC50 value of 5.12 ± 0.11 μM. Mechanistic studies revealed that 1g induced apoptosis in MBA-MB-231 cells through down-regulating the protein expression of Bcl-2, up-regulating the protein expression of bax, and, meanwhile, activating the cleavage of caspase-3 and caspase-9. 1g caused S phase cell cycle arrest in MBA-MB-231 cells by reducing the protein expression of CDK2 and cyclin A2 and increasing the protein levels of p21.
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Affiliation(s)
- Ying Jin
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University Shenyang 110819 China
- Key Laboratory of Bioresource Research and Development of Liaoning Province, College of Life and Health Sciences, Northeastern University Shenyang 110819 China
| | - Zixuan Wang
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University Shenyang 110819 China
| | - Nuerbiye Aobulikasimu
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University Shenyang 110819 China
| | - Yixuan Hu
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University Shenyang 110819 China
| | - Zengguang Zhang
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University Shenyang 110819 China
| | - Hang Lv
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University Shenyang 110819 China
| | - Yu Mu
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University Shenyang 110819 China
| | - Yi Jiang
- Yunnan Institute of Microbiology, Yunnan University Kunming 650091 China
| | - Li Han
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University Shenyang 110819 China
- Key Laboratory of Bioresource Research and Development of Liaoning Province, College of Life and Health Sciences, Northeastern University Shenyang 110819 China
| | - Xueshi Huang
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University Shenyang 110819 China
- Key Laboratory of Bioresource Research and Development of Liaoning Province, College of Life and Health Sciences, Northeastern University Shenyang 110819 China
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Bhurta D, Hossain MM, Bhardwaj M, Showket F, Nandi U, Dar MJ, Bharate SB. Orally bioavailable styryl derivative of rohitukine-N-oxide inhibits CDK9/T1 and the growth of pancreatic cancer cells. Eur J Med Chem 2023; 258:115533. [PMID: 37302342 DOI: 10.1016/j.ejmech.2023.115533] [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: 03/17/2023] [Revised: 05/14/2023] [Accepted: 05/28/2023] [Indexed: 06/13/2023]
Abstract
The chromone alkaloid is one of the classical pharmacophores for cyclin-dependent kinases (CDKs) and represents the first CDK inhibitor to reach clinical trials. Rohitukine (1), a chromone alkaloid isolated from Dysoxylum binectariferum inspired the discovery of several clinical candidates. The N-oxide derivative of rohitukine occurs naturally, with no reports on its biological activity. Herein, we report isolation, biological evaluation, and synthetic modification of rohitukine N-oxide for CDK9/T1 inhibition and antiproliferative activity in cancer cells. Rohitukine N-oxide (2) inhibits CDK9/T1 (IC50 7.6 μM) and shows antiproliferative activity in the colon and pancreatic cancer cells. The chloro-substituted styryl derivatives, 2b, and 2l, inhibit CDK9/T1 with IC50 values of 0.17 and 0.15 μM, respectively. These derivatives display cellular antiproliferative activity in HCT 116 (colon) and MIA PaCa-2 (pancreatic) cancer cells with GI50 values of 2.5-9.7 μM with excellent selectivity over HEK293 (embryonic kidney) cells. Both analogs induce cell death in MIA PaCa-2 cells via inducing intracellular ROS production, reducing mitochondrial membrane potential, and inducing apoptosis. These analogs are metabolically stable in liver microsomes and have a decent oral pharmacokinetics in BALB/c mice. The molecular modeling studies indicated their strong binding at the ATP-binding site of CDK7/H and CDK9/T1.
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Affiliation(s)
- Deendyal Bhurta
- Natural Products & Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, 180001, India; Academy of Scientific & Innovative Research, Ghaziabad, 201002, India
| | - Md Mehedi Hossain
- Academy of Scientific & Innovative Research, Ghaziabad, 201002, India; Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, 180001, India
| | - Mahir Bhardwaj
- Academy of Scientific & Innovative Research, Ghaziabad, 201002, India; Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, 180001, India
| | - Farheen Showket
- Academy of Scientific & Innovative Research, Ghaziabad, 201002, India; Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, 180001, India
| | - Utpal Nandi
- Academy of Scientific & Innovative Research, Ghaziabad, 201002, India; Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, 180001, India
| | - Mohd Jamal Dar
- Academy of Scientific & Innovative Research, Ghaziabad, 201002, India; Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, 180001, India
| | - Sandip B Bharate
- Natural Products & Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, 180001, India; Academy of Scientific & Innovative Research, Ghaziabad, 201002, India; Department of Natural Products & Medicinal Chemistry, CSIR-Indian Institute of Chemical Technology, Tarnaka, Hyderabad, 500007, India.
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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]
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In Vitro Cytotoxicity Evaluation of Plastoquinone Analogues against Colorectal and Breast Cancers along with In Silico Insights. Pharmaceuticals (Basel) 2022; 15:ph15101266. [PMID: 36297378 PMCID: PMC9609592 DOI: 10.3390/ph15101266] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 09/28/2022] [Accepted: 10/04/2022] [Indexed: 11/06/2022] Open
Abstract
Colorectal cancer (CRC) and breast cancer are leading causes of death globally, due to significant challenges in detection and management. The late-stage diagnosis and treatment failures require the discovery of potential anticancer agents to achieve a satisfactory therapeutic effect. We have previously reported a series of plastoquinone analogues to understand their cytotoxic profile. Among these derivatives, three of them (AQ-11, AQ-12, and AQ-15) were selected by the National Cancer Institute (NCI) to evaluate their in vitro antiproliferative activity against a panel of 60 human tumor cell lines. AQ-12 exhibited significant antiproliferative activity against HCT-116 CRC and MCF-7 breast cancer cells at a single dose and further five doses. MTT assay was also performed for AQ-12 at different concentrations against these two cells, implying that AQ-12 exerted notable cytotoxicity toward HCT-116 (IC50 = 5.11 ± 2.14 μM) and MCF-7 (IC50 = 6.06 ± 3.09 μM) cells in comparison with cisplatin (IC50 = 23.68 ± 6.81 μM and 19.67 ± 5.94 μM, respectively). This compound also augmented apoptosis in HCT-116 (62.30%) and MCF-7 (64.60%) cells comparable to cisplatin (67.30% and 78.80%, respectively). Molecular docking studies showed that AQ-12 bound to DNA, forming hydrogen bonding through the quinone scaffold. In silico pharmacokinetic determinants indicated that AQ-12 demonstrated drug-likeness with a remarkable pharmacokinetic profile for future mechanistic anti-CRC and anti-breast cancer activity studies.
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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.
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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
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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.
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Castro JAM, Serikava BK, Maior CRS, Naciuk FF, Rocco SA, Ligiéro CBP, Morgon NH, Miranda PCML. Regioselection Switch in Nucleophilic Addition to Isoquinolinequinones: Mechanism and Origin of the Regioselectivity in the Total Synthesis of Ellipticine. J Org Chem 2022; 87:7610-7617. [PMID: 35171607 DOI: 10.1021/acs.joc.1c02952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Ellipticine was synthesized in six steps and 20% global yield starting from the readily available 2,5-dimethoxy isoquinoline. Unprecedented regioselective control of the nucleophilic attack on the isoquinoline-5,8-dione is first described. Investigation of the possible pathways of this transformation through density functional theory calculations reveals unexpected N-oxide assistance in cascade tautomerizations, which was crucial for directing the nucleophilic attack and hastening the overall process. Using this strategy, we prepared the aniline-isoquinolinedione adduct and submitted it to an intramolecular double C-H cross-coupling activation to furnish ellipticinequinone, which gave ellipticine after a MeLi addition/BH3 reduction sequence.
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Affiliation(s)
- Joaquim A M Castro
- Institute of Chemistry, University of Campinas-UNICAMP, P.O. Box 6154, Campinas, SP 13083 970, Brazil
| | - Bruno K Serikava
- Institute of Chemistry, University of Campinas-UNICAMP, P.O. Box 6154, Campinas, SP 13083 970, Brazil
| | - Christian R S Maior
- Institute of Chemistry, University of Campinas-UNICAMP, P.O. Box 6154, Campinas, SP 13083 970, Brazil
| | - Fabrício F Naciuk
- Brazilian Biosciences National Laboratory, Brazilian Center for Research in Energy and Materials, Campinas, SP 13083-970, Brazil
| | - Silvana A Rocco
- Brazilian Biosciences National Laboratory, Brazilian Center for Research in Energy and Materials, Campinas, SP 13083-970, Brazil
| | - Carolina B P Ligiéro
- Institute of Chemistry, University of Campinas-UNICAMP, P.O. Box 6154, Campinas, SP 13083 970, Brazil
| | - Nelson H Morgon
- Institute of Chemistry, University of Campinas-UNICAMP, P.O. Box 6154, Campinas, SP 13083 970, Brazil
| | - Paulo C M L Miranda
- Institute of Chemistry, University of Campinas-UNICAMP, P.O. Box 6154, Campinas, SP 13083 970, Brazil
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8
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In Vitro and In Silico Study of Analogs of Plant Product Plastoquinone to Be Effective in Colorectal Cancer Treatment. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27030693. [PMID: 35163957 PMCID: PMC8839215 DOI: 10.3390/molecules27030693] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/15/2022] [Accepted: 01/18/2022] [Indexed: 02/06/2023]
Abstract
Plants have paved the way for the attainment of molecules with a wide-range of biological activities. However, plant products occasionally show low biological activities and/or poor pharmacokinetic properties. In that case, development of their derivatives as drugs from the plant world has been actively performed. As plant products, plastoquinones (PQs) have been of high importance in anticancer drug design and discovery; we have previously evaluated and reported the potential cytotoxic effects of a series of PQ analogs. Among these analogs, PQ2, PQ3 and PQ10 were selected for National Cancer Institute (NCI) for in vitro screening of anticancer activity against a wide range of cancer cell lines. The apparent superior anticancer potency of PQ2 on the HCT-116 colorectal cancer cell line than that of PQ3 and PQ10 compared to other tested cell lines has encouraged us to perform further mechanistic studies to enlighten the mode of anti-colorectal cancer action of PQ2. For this purpose, its apoptotic effects on the HCT-116 cell line, DNA binding capacity and several crucial pharmacokinetic properties were investigated. Initially, MTT assay was conducted for PQ2 at different concentrations against HCT-116 cells. Results indicated that PQ2 exhibited significant cytotoxicity in HCT-116 cells with an IC50 value of 4.97 ± 1.93 μM compared to cisplatin (IC50 = 26.65 ± 7.85 μM). Moreover, apoptotic effects of PQ2 on HCT-116 cells were investigated by the annexin V/ethidium homodimer III staining method and PQ2 significantly induced apoptosis in HCT-116 cells compared to cisplatin. Based on the potent DNA cleavage capacity of PQ2, molecular docking studies were conducted in the minor groove of the double helix of DNA and PQ2 presented a key hydrogen bonding through its methoxy moiety. Overall, both in vitro and in silico studies indicated that effective, orally bioavailable drug-like PQ2 attracted attention for colorectal cancer treatment. The most important point to emerge from this study is that appropriate derivatization of a plant product leads to unique biologically active compounds.
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Córdova-Delgado M, Fuentes-Retamal S, Palominos C, López-Torres C, Guzmán-Rivera D, Ramírez-Rodríguez O, Araya-Maturana R, Urra FA. FRI-1 Is an Anti-Cancer Isoquinolinequinone That Inhibits the Mitochondrial Bioenergetics and Blocks Metabolic Shifts by Redox Disruption in Breast Cancer Cells. Antioxidants (Basel) 2021; 10:antiox10101618. [PMID: 34679752 PMCID: PMC8533268 DOI: 10.3390/antiox10101618] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 09/24/2021] [Accepted: 09/28/2021] [Indexed: 12/25/2022] Open
Abstract
Since breast cancer (BC) cells are dependent on mitochondrial bioenergetics for promoting proliferation, survival, and metastasis, mitochondria highlight as an important target for anticancer drug discovery. FRI-1, methyl 1, 3-dimethyl-5, 8-dioxo-5, 8-dihydro-4-isoquinolinecarboxylate, was previously described as a selective cytotoxic compound on cancer cell lines, however, details on the mechanism of action remain unknown. In this work, we describe that FRI-1 inhibits mitochondrial bioenergetics, producing apoptosis in MCF7 and MDA-MB-231 BC cell lines. FRI-1 decreases the maximal oxygen consumption rate (OCR), Δψm, NADH, and ATP levels, with a notable increase of mitochondrial reactive oxygen species (ROS) production, promoting AMPK activation with pro-survival effects. Moreover, FRI-1 inhibits the metabolic remodeling to glycolysis induced by oligomycin. In isolated tumoral mitochondria, FRI-1 increases Complex I and III-dependent OCR state 2, and this is sensitive to rotenone and antimycin A inhibitor additions, suggesting a redox cycling event. Remarkably, α-ketoglutarate and lipoic acid supplementation reversed and promoted, respectively, the FRI-1-induced apoptosis, suggesting that mitochondrial redox disruption affects 2-oxoglutarate dehydrogenase (OGDH) activity, and this is involved in their anticancer mechanism. Consistent with this, the combination of FRI-1 and CPI-613, a dual inhibitor of redox-sensible tricarboxylic acid (TCA) cycle enzymes PDH and OGDH, produced extensive BC cell death. Taken together, our results suggest that FRI-1 exhibits anticancer effects through inhibition of mitochondrial bioenergetics by redox disruption in BC cells.
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Affiliation(s)
- Miguel Córdova-Delgado
- Laboratorio de Plasticidad Metabólica y Bioenergética, Programa de Farmacología Molecular y Clínica, Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Independencia 1027, Casilla 7, Santiago 8380453, Chile; (M.C.-D.); (S.F.-R.); (C.P.); (C.L.-T.)
| | - Sebastián Fuentes-Retamal
- Laboratorio de Plasticidad Metabólica y Bioenergética, Programa de Farmacología Molecular y Clínica, Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Independencia 1027, Casilla 7, Santiago 8380453, Chile; (M.C.-D.); (S.F.-R.); (C.P.); (C.L.-T.)
- Network for Snake Venom Research and Drug Discovery, Santiago 7800003, Chile
| | - Charlotte Palominos
- Laboratorio de Plasticidad Metabólica y Bioenergética, Programa de Farmacología Molecular y Clínica, Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Independencia 1027, Casilla 7, Santiago 8380453, Chile; (M.C.-D.); (S.F.-R.); (C.P.); (C.L.-T.)
- Network for Snake Venom Research and Drug Discovery, Santiago 7800003, Chile
| | - Camila López-Torres
- Laboratorio de Plasticidad Metabólica y Bioenergética, Programa de Farmacología Molecular y Clínica, Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Independencia 1027, Casilla 7, Santiago 8380453, Chile; (M.C.-D.); (S.F.-R.); (C.P.); (C.L.-T.)
- Network for Snake Venom Research and Drug Discovery, Santiago 7800003, Chile
| | - Daniela Guzmán-Rivera
- Escuela de Química y Farmacia, Facultad de Medicina, Universidad Andrés Bello, Santiago 8370149, Chile;
| | - Oney Ramírez-Rodríguez
- Laboratory of Chemistry and Biochemistry, Campus Lillo, University of Aysén, Eusebio Lillo 667, Coyhaique 5951537, Chile;
| | - Ramiro Araya-Maturana
- Network for Snake Venom Research and Drug Discovery, Santiago 7800003, Chile
- Instituto de Química de Recursos Naturales, Universidad de Talca, Casilla 747, Talca 3460000, Chile
- Correspondence: (R.A.-M.); (F.A.U.); Tel.: +56-71-220-0285 (R.A.-M.); +56-22-978-6066 (F.A.U.)
| | - Félix A. Urra
- Laboratorio de Plasticidad Metabólica y Bioenergética, Programa de Farmacología Molecular y Clínica, Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Independencia 1027, Casilla 7, Santiago 8380453, Chile; (M.C.-D.); (S.F.-R.); (C.P.); (C.L.-T.)
- Network for Snake Venom Research and Drug Discovery, Santiago 7800003, Chile
- Correspondence: (R.A.-M.); (F.A.U.); Tel.: +56-71-220-0285 (R.A.-M.); +56-22-978-6066 (F.A.U.)
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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.
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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.
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Ciftci HI, Bayrak N, Yıldız M, Yıldırım H, Sever B, Tateishi H, Otsuka M, Fujita M, Tuyun AF. Design, synthesis and investigation of the mechanism of action underlying anti-leukemic effects of the quinolinequinones as LY83583 analogs. Bioorg Chem 2021; 114:105160. [PMID: 34328861 DOI: 10.1016/j.bioorg.2021.105160] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 06/29/2021] [Accepted: 07/06/2021] [Indexed: 12/14/2022]
Abstract
Literature conclusively shows that one of the quinolinequinone analogs (6-anilino-5,8-quinolinequinone), referred to as LY83583 hereafter, an inhibitor of guanylyl cyclase, was used as the inhibitor of the cell proliferation in cancer cells. In the present work, a series of analogs of the LY83583 containing alkoxy group(s) in aminophenyl ring (AQQ1-15) were designed and synthesized via a two-step route and evaluated for their in vitro cytotoxic activity against four different cancer cell lines (K562, Jurkat, MT-2, and HeLa) and human peripheral blood mononuclear cells (PBMCs) by MTT assay. The analog (AQQ13) was identified to possess the most potent cytotoxic activity against K562 human chronic myelogenous (CML) cell line (IC50 = 0.59 ± 0.07 μM) with significant selectivity (SI = 4.51) compared to imatinib (IC50 = 5.46 ± 0.85 μM; SI = 4.60). Based on its superior cytotoxic activity, the analog AQQ13 was selected for further mechanistic studies including determination of its apoptotic effects on K562 cell line via annexin V/ethidium homodimer III staining potency, ABL1 kinase inhibitory activity, and DNA cleaving capacity. Results ascertained that the analog AQQ13 induced apoptosis in K562 cell line with notable DNA-cleaving activity. However, AQQ13 demonstrated weak ABL1 inhibition indicating the correlation between anti-K562 and anti-ABL1 activities. In continuance, respectively conducted in silico molecular docking and Absorption, Distribution, Metabolism, and Excretion (ADME) studies drew attention to enhanced binding interactions of AQQ13 towards DNA and its high compatibility with the potential limits of specified pharmacokinetic parameters making it as a potential anti-leukemic drug candidate. Our findings may provide a new insight for further development of novel quinolinequinone-based anticancer analogs against CML.
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Affiliation(s)
- 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
| | - Nilüfer Bayrak
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpasa, Avcilar, Istanbul, Turkey
| | - 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.
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12
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Nascimento Mello AL, Sagrillo FS, de Souza AG, Costa ARP, Campos VR, Cunha AC, Imbroisi Filho R, da Costa Santos Boechat F, Sola-Penna M, de Souza MCBV, Zancan P. Selective AMPK activator leads to unfolded protein response downregulation and induces breast cancer cell death and autophagy. Life Sci 2021; 276:119470. [PMID: 33831423 DOI: 10.1016/j.lfs.2021.119470] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 03/18/2021] [Accepted: 03/25/2021] [Indexed: 12/25/2022]
Abstract
AIMS AMPK plays a critical role regulating cell metabolism, growth and survival. Interfering with this enzyme activity has been extensively studied as putative mechanism for cancer therapy. The present work aims to identify a specific AMPK activator for cancer cells among a series of novel heterocyclic compounds. MATERIALS AND METHODS A series of novel hybrid heterocyclic compounds, namely naphtoquinone-4-oxoquinoline and isoquinoline-5,8-quinone-4-oxoquinoline derivatives, were synthesized via Michael reaction and their structures confirmed by spectral data: infrared; 1H and 13C NMR spectroscopy (COSY, HSQC, HMBC); and high-resolution mass spectrometry (HRMS). The novel compounds were screened and tested for antitumoral activity and have part of their mechanism of action scrutinized. KEY FINDINGS Here, we identified a selective AMPK activator among the new hybrid heterocyclic compounds. This new compound presents selective cytotoxicity on breast cancer cells but not on non-cancer counterparts. We identified that by specifically activating AMPK in cancer cells, the drug downregulates unfolded protein response pathway, as well as inhibits mTOR signaling. SIGNIFICANCE These effects, that are selective for cancer cells, lead to activation of autophagy and, ultimately, to cancer cells death. Taken together, our data support the promising anticancer activity of this novel compound which is a strong modulator of metabolism.
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Affiliation(s)
- Angélica Lauria Nascimento Mello
- Laboratório de Oncobiologia Molecular (LabOMol), Departamento de Biotecnologia Farmacêutica, Faculdade de Farmácia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-902, Brazil
| | - Fernanda Savacini Sagrillo
- Programa de Pós-Graduação em Química, Instituto de Química, Universidade Federal Fluminense, 24010-141, Outeiro de São João Batista, s/n, Niterói, Rio de Janeiro, Brazil
| | - Alan Gonçalves de Souza
- Programa de Pós-Graduação em Química, Instituto de Química, Universidade Federal Fluminense, 24010-141, Outeiro de São João Batista, s/n, Niterói, Rio de Janeiro, Brazil
| | - Amanda Rodrigues Pinto Costa
- Programa de Pós-Graduação em Química, Instituto de Química, Universidade Federal Fluminense, 24010-141, Outeiro de São João Batista, s/n, Niterói, Rio de Janeiro, Brazil
| | - Vinícius Rangel Campos
- Programa de Pós-Graduação em Química, Instituto de Química, Universidade Federal Fluminense, 24010-141, Outeiro de São João Batista, s/n, Niterói, Rio de Janeiro, Brazil
| | - Anna Claudia Cunha
- Programa de Pós-Graduação em Química, Instituto de Química, Universidade Federal Fluminense, 24010-141, Outeiro de São João Batista, s/n, Niterói, Rio de Janeiro, Brazil
| | - Ricardo Imbroisi Filho
- Laboratório de Oncobiologia Molecular (LabOMol), Departamento de Biotecnologia Farmacêutica, Faculdade de Farmácia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-902, Brazil
| | - Fernanda da Costa Santos Boechat
- Programa de Pós-Graduação em Química, Instituto de Química, Universidade Federal Fluminense, 24010-141, Outeiro de São João Batista, s/n, Niterói, Rio de Janeiro, Brazil
| | - Mauro Sola-Penna
- Laboratório de Enzimologia e Controle do Metabolismo (LabECoM), Departamento de Biotecnologia Farmacêutica, Faculdade de Farmácia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-902, Brazil
| | - Maria Cecília Bastos Vieira de Souza
- Programa de Pós-Graduação em Química, Instituto de Química, Universidade Federal Fluminense, 24010-141, Outeiro de São João Batista, s/n, Niterói, Rio de Janeiro, Brazil.
| | - Patricia Zancan
- Laboratório de Oncobiologia Molecular (LabOMol), Departamento de Biotecnologia Farmacêutica, Faculdade de Farmácia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-902, Brazil.
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13
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Hou C, Sun S, Liu Z, Zhang H, Liu Y, An Q, Zhao J, Ma J, Sun Z, Chu W. Visible‐Light‐Induced Decarboxylative Acylation of Pyridine
N
‐Oxides with α‐Oxocarboxylic Acids Using Fluorescein Dimethylammonium as a Photocatalyst. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100168] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Chuanfu Hou
- School of Chemistry and Materials Science Heilongjiang University Harbin 150080 People's Republic of China
| | - Shouneng Sun
- School of Chemistry and Materials Science Heilongjiang University Harbin 150080 People's Republic of China
| | - Ziqi Liu
- School of Chemistry and Materials Science Heilongjiang University Harbin 150080 People's Republic of China
| | - Hui Zhang
- School of Chemistry and Materials Science Heilongjiang University Harbin 150080 People's Republic of China
| | - Yue Liu
- School of Chemistry and Materials Science Heilongjiang University Harbin 150080 People's Republic of China
| | - Qi An
- School of Chemistry and Materials Science Heilongjiang University Harbin 150080 People's Republic of China
| | - Jian Zhao
- School of Chemistry and Materials Science Heilongjiang University Harbin 150080 People's Republic of China
| | - Junjie Ma
- School of Chemistry and Materials Science Heilongjiang University Harbin 150080 People's Republic of China
| | - Zhizhong Sun
- School of Chemistry and Materials Science Heilongjiang University Harbin 150080 People's Republic of China
| | - Wenyi Chu
- School of Chemistry and Materials Science Heilongjiang University Harbin 150080 People's Republic of China
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14
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Kenouche S, Belkadi A, Djebaili R, Melkemi N. High regioselectivity in the amination reaction of isoquinolinequinone derivatives using conceptual DFT and NCI analysis. J Mol Graph Model 2021; 104:107828. [PMID: 33444977 DOI: 10.1016/j.jmgm.2020.107828] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 12/17/2020] [Accepted: 12/21/2020] [Indexed: 11/27/2022]
Abstract
DFT-derived reactivity descriptors and Non-Covalent interaction (NCI) analysis were performed to rationalize the regioselectivity in the amination reaction of some isoquinolinequinone derivatives. Statistical analysis was performed to assess robustness of atomic charges to the basis set. Various electronic population schemes including Mulliken population analysis (MPA), electrostatic method (ChelpG), Hirshfeld population analysis (HPA) and Natural population analysis (NPA) have been considered. The results revealed that NPA was the most efficient for this purpose. NCI study using the reduced density gradient (RDG) was performed for revealing weak interactions. Domains defined by isosurfaces of RDG have been integrated to quantitatively study the strength of weak interactions and their stabilities have also been examined. Steric hindrance caused by coordination of ethanol with the neighboring carbonyl prevents the nucleophilic attack on C-6 and therefore leads to preferential C-7 substitution. The quantitative study of NCI clearly demonstrates that the hydrogen bond of carbonyl (2) is more stabilizing. Consequently, the high polarity of hydrogen bond on this carbonyl may explain the high electrophilicity of C-5 compared to C-8. Our work proved that the difference in local reactivity, as well as the steric hindrance are the key elements explaining the high regioselectivity exhibited by the amination reaction.
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Affiliation(s)
- S Kenouche
- Research Team: Modeling of Chemical Systems Using Quantum Calculations, LCA Laboratory, University Mohamed Khider of Biskra, 07000, Biskra, Algeria.
| | - A Belkadi
- Research Team: Computational and Pharmaceutical Chemistry, LMCE Laboratory, University Mohamed Khider of Biskra, 07000, Biskra, Algeria
| | - R Djebaili
- Research Team: Computational and Pharmaceutical Chemistry, LMCE Laboratory, University Mohamed Khider of Biskra, 07000, Biskra, Algeria
| | - N Melkemi
- Research Team: Computational and Pharmaceutical Chemistry, LMCE Laboratory, University Mohamed Khider of Biskra, 07000, Biskra, Algeria
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