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Nguyen HH, Nguyen CT, Ngo HG, Nguyen GTT, Thuy PT, Setzer WN, Kuo PC, Bui HM. Potential for Aedes aegypti Larval Control and Environmental Friendliness of the Compounds Containing 2-Methyl-3,4-dihydroquinazolin-4-one Heterocycle. ACS OMEGA 2023; 8:25048-25058. [PMID: 37483229 PMCID: PMC10357533 DOI: 10.1021/acsomega.3c01686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 06/19/2023] [Indexed: 07/25/2023]
Abstract
2-Methylquinazolin-4(3H)-one was prepared by the reaction of anthranilic acid, acetic anhydride, and ammonium acetate. The reaction of 2-methylquinazolin-4(3H)-one with N-aryl-2-chloroacetamides in acetone in the presence of potassium carbonate gave nine N-aryl-2-(2-methyl-4-oxoquinazolin-3(4H)-yl)acetamide compounds. The structures of these compounds were elucidated on the basis of their IR, 1H nuclear magnetic resonance (NMR), 13C NMR, and high-resolution mass spectrometry (HR-MS) spectral data. These synthesized compounds containing the 2-methyl-3,4-dihydroquinazolin-4-one moiety exhibited activity against Aedes aegypti mosquito larvae with LC50 values of 2.085-4.201 μg/mL after 72 h exposure, which is also confirmed using a quantitative structure-activity relationship (QSAR) model. Interestingly, these compounds did not exhibit toxicity to the nontarget organism Diplonychus rusticus. In silico molecular docking revealed acetylcholine binding protein (AChBP) and acetylcholinesterase (AChE) to be potential molecular targets. These data indicated the larvicidal potential and environmental friendliness of these N-aryl-2-(2-methyl-4-oxoquinazolin-3(4H)-yl)acetamide derivatives.
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Affiliation(s)
- Hung Huy Nguyen
- Center
for Advanced Chemistry, Institute of Research and Development, Duy Tan University, 03 Quang Trung, Da Nang 55000, Vietnam
- Department
of Pharmacy, Duy Tan University, 03 Quang Trung, Da Nang 55000, Vietnam
| | - Cong Tien Nguyen
- Department
of Chemistry, Ho Chi Minh City University
of Education, 280 An
Duong Vuong Street, Ward 4, District 5, Ho
Chi Minh City 70000, Vietnam
| | - Huy Gia Ngo
- Center
for Advanced Chemistry, Institute of Research and Development, Duy Tan University, 03 Quang Trung, Da Nang 55000, Vietnam
- Department
of Pharmacy, Duy Tan University, 03 Quang Trung, Da Nang 55000, Vietnam
| | - Giang Thi Truc Nguyen
- Department
of Chemistry, Ho Chi Minh City University
of Education, 280 An
Duong Vuong Street, Ward 4, District 5, Ho
Chi Minh City 70000, Vietnam
- Thanh
Hoa High School, Thanh Hoa District, Long An Province 82906, Vietnam
| | - Phan Thi Thuy
- Faculty
of Chemistry, College of Education, Vinh
University 182 Le Duan, Vinh City, Nghe An Province 46000, Vietnam
| | - William N. Setzer
- Aromatic
Plant Research Center, 230 N 1200 E, Suite 100, Lehi, Utah 84043, United States
- Department
of Chemistry, University of Alabama in Huntsville, Huntsville, Alabama 35899, United States
| | - Ping-Chung Kuo
- School
of Pharmacy, College of Medicine, National
Cheng Kung University, Tainan 701, Taiwan
| | - Ha Manh Bui
- Faculty
of Environment, Saigon University, 273 An Duong Vuong Street, District
5, Ho Chi Minh City 70000, Vietnam
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High Throughput Screening for Bioactive Components of Berberis baluchistanica Ahrendt Root and Their Functional Potential Assessment. BIOMED RESEARCH INTERNATIONAL 2022; 2022:1746116. [PMID: 35928917 PMCID: PMC9345709 DOI: 10.1155/2022/1746116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 06/11/2022] [Accepted: 07/04/2022] [Indexed: 11/17/2022]
Abstract
Berberis baluchistanica Ahrendt is a medicinal plant potentially known for the treatment of different diseases. The bioactive, antioxidant, nutritional components, and antimicrobial properties of crude ethanolic root extract of Berberis baluchistanica were evaluated in this study. The extract was analyzed for total phenolic, flavonoid, DPPH (2, 2-diphenyl-1-picryl-hydrazyl) scavenging ability, FRAP (ferric reducing antioxidant power), nutritional, and antimicrobial potentials. The alkaloids, tannins, cardiac glycosides, anthraquinones, coumarin, saponins, phenolics, flavonoids, steroids, and terpenoids were confirmed. The extract possessed DPPH radical inhibition with the IC50 of 1.125 mg/mL and FRAP % reduction activity with IC50 (0.912 mg/mL). Total phenolic
GAE/g and flavonoid
QE/g contents were confirmed in the root. The extracts exhibit good antibacterial activity against a broad spectrum of food borne pathogens Pseudomonas aeruginosa, Salmonella typhi, Klebsiella pneumoniae, Escherichia coli, and Staphylococcus aureus. The highest inhibitory activity was against Escherichia coli
and lowest against Klebsiella pneumoniae
. Furthermore, the presence of various phytochemical constituents (plant secondary metabolites) was also confirmed with gas chromatography and mass spectroscopy analysis. Results disclosed the occurrence of more than 70 compounds possessing various medicinal properties supporting the traditional uses of root of Berberis baluchistanica in various medical complications indigenously.
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Al-Ostoot FH, Sherapura A, Malojirao VH, Thirusangu P, Al-Muhimeed TI, Khanum SA, Prabhakar BT. Modulation of DNA damage response by targeting ATM kinase using newly synthesized di-phenoxy acetamide (DPA) analogs to induce anti-neoplasia. Pharmacol Rep 2021; 73:1344-1360. [PMID: 34109572 DOI: 10.1007/s43440-021-00292-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 05/21/2021] [Accepted: 05/31/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND Imbalance and instability in the structure of the DNA have become major characteristics of cancer. In response to DNA damage, DNA damage response (DDR) protein, ataxia telangiectasia mutated (ATM), plays a pivotal role in the modulation of regulatory regions responsible for inhibition of apoptosis, thereby neoplastic progression. METHODS A new series of DPA (7a-t) were synthesized, characterized. Anti-proliferative studies to identify the lead compound were carried out by LDH and MTT assay. Apoptosis/DNA damage was measured through FACS, Annexin-v staining, TUNEL and Comet assay. Elucidation of molecular mechanism through immunoblot and further validation of the drug effect through in vivo approaches. RESULTS Initial in vitro anti-proliferative screening of Compounds DPA (7a-t) against multiple cancer cell lines identified Compound DPA (7n) as a potent cytotoxic molecule with IC50 value of 4.3 μM. Down the line, in vitro and in vivo evaluation of Compound DPA (7n) inferred that it has apoptotic inducing potentiality. Further, evaluation of molecular mechanism inferred that Compound DPA (7n) effectively modulates ATM phosphorylation only, eventually altering downstream signalling pathways. CONCLUSIONS Compound DPA (7n) emerged as a potent proapoptotic and anti-neoplastic agent by inhibiting ATM kinase activity both in vitro and in vivo. The conferring results ascertain that the drug could be developed as a new ATM kinase inhibitor with anti-cancer capacity.
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Affiliation(s)
- Fares Hezam Al-Ostoot
- Department of Chemistry, Yuvaraja's College, University of Mysore, Mysuru, India.,Department of Biochemistry, Faculty of Education and Science, Al-Baydha University, Al Bayda, Yemen
| | - Ankith Sherapura
- Molecular Biomedicine Laboratory, Postgraduate Department of Studies and Research in Biotechnology, Sahyadri Science College, Kuvempu University, Shivamogga, Karnataka, India
| | - Vikas H Malojirao
- Molecular Biomedicine Laboratory, Postgraduate Department of Studies and Research in Biotechnology, Sahyadri Science College, Kuvempu University, Shivamogga, Karnataka, India.,Department of Neurosurgery, Houston Methodist, Fannin Street, Houston, TX, USA
| | - Prabhu Thirusangu
- Molecular Biomedicine Laboratory, Postgraduate Department of Studies and Research in Biotechnology, Sahyadri Science College, Kuvempu University, Shivamogga, Karnataka, India.,Department of Experimental Pathology and Laboratory Medicine, Mayo Clinic, Rochester, MN, USA
| | - Tahani I Al-Muhimeed
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Shaukath Ara Khanum
- Department of Chemistry, Yuvaraja's College, University of Mysore, Mysuru, India.
| | - B T Prabhakar
- Molecular Biomedicine Laboratory, Postgraduate Department of Studies and Research in Biotechnology, Sahyadri Science College, Kuvempu University, Shivamogga, Karnataka, India.
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Rajput M, Bithel N, Vijayakumar S. Antimicrobial, antibiofilm, antioxidant, anticancer, and phytochemical composition of the seed extract of Pongamia pinnata. Arch Microbiol 2021; 203:4005-4024. [PMID: 34037822 DOI: 10.1007/s00203-021-02365-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 05/04/2021] [Accepted: 05/07/2021] [Indexed: 10/21/2022]
Abstract
Ethyl acetate seed extract of Pongamia pinnata displayed the highest antimicrobial potential against all test pathogens and Staphylococcus epidermidis was reported as the most sensitive strain with MIC/MBC 1.56/3.12 mg ml-1. It inhibited S. epidermidis biofilm 97.43% at MIC and LM as well as FE-SEM micrographs displayed extensive disintegration in biofilm. It showed the highest TPC (1.23 ± 0.04 g GAE g-1), TFC (0.95 ± 0.05 g CE g-1), and antioxidant activity with IC50 18.47 ± 0.33 μg ml-1. MTT assay displayed concentration-dependent strong cytotoxicity on K562 cells on the treatment of ethyl acetate extract with an IC50 value of 84.41 μg ml-1. On the other hand, it showed minute cytotoxicity on normal PBMCs with an IC50 value of 410.14 μg ml-1. GC-MS analysis revealed that Hexadecanoic acid (35.97%); 2-(1,3-Benzodioxol-5-yl)furo[2,3-h]chromen-4-one (Pongaglabrone) (22.82%); 2,2-Dimethylindane-1,3-dione- (13.05%) were the three major components in ethyl acetate extract. The present investigation showcases ethyl acetate extract as a potent antimicrobial, antibiofilm, antioxidant, and anticancer agent that opens a new avenue for its phytochemicals as a therapeutic agent.
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Affiliation(s)
- Minakshi Rajput
- Department of Botany and Microbiology, Gurukula Kangri Vishwavidyalaya, Haridwar, 249404, Uttarakhand, India.
| | - Navneet Bithel
- Department of Botany and Microbiology, Gurukula Kangri Vishwavidyalaya, Haridwar, 249404, Uttarakhand, India
| | - Sekar Vijayakumar
- Marine College, Shandong University, Weihai, 264209, People's Republic of China
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Wróbel A, Drozdowska D. Recent Design and Structure-Activity Relationship Studies on the Modifications of DHFR Inhibitors as Anticancer Agents. Curr Med Chem 2021; 28:910-939. [PMID: 31622199 DOI: 10.2174/0929867326666191016151018] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 09/25/2019] [Accepted: 09/27/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Dihydrofolate reductase (DHFR) has been known for decades as a molecular target for antibacterial, antifungal and anti-malarial treatments. This enzyme is becoming increasingly important in the design of new anticancer drugs, which is confirmed by numerous studies including modelling, synthesis and in vitro biological research. This review aims to present and discuss some remarkable recent advances in the research of new DHFR inhibitors with potential anticancer activity. METHODS The scientific literature of the last decade on the different types of DHFR inhibitors has been searched. The studies on design, synthesis and investigation structure-activity relationships were summarized and divided into several subsections depending on the leading molecule and its structural modification. Various methods of synthesis, potential anticancer activity and possible practical applications as DHFR inhibitors of new chemical compounds were described and discussed. RESULTS This review presents the current state of knowledge on the modification of known DHFR inhibitors and the structures and searches for about eighty new molecules, designed as potential anticancer drugs. In addition, DHFR inhibitors acting on thymidylate synthase (TS), carbon anhydrase (CA) and even DNA-binding are presented in this paper. CONCLUSION Thorough physicochemical characterization and biological investigations highlight the structure-activity relationship of DHFR inhibitors. This will enable even better design and synthesis of active compounds, which would have the expected mechanism of action and the desired activity.
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Affiliation(s)
- Agnieszka Wróbel
- Department of Organic Chemistry, Faculty of Pharmacy, Medical University, Białystok, Poland
| | - Danuta Drozdowska
- Department of Organic Chemistry, Faculty of Pharmacy, Medical University, Białystok, Poland
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Chandana S, Al-Ostoot FH, Eissa Mohammed YH, Al-Ramadneh TN, Akhileshwari P, Khanum SA, Sridhar M, Lakshminarayana B. Synthesis, structural characterization, and DFT studies of anti-cancer drug N-(2-Aminophenyl)-2-(4-bromophenoxy)acetamide. Heliyon 2021; 7:e06464. [PMID: 33842699 PMCID: PMC8020429 DOI: 10.1016/j.heliyon.2021.e06464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 10/23/2020] [Accepted: 03/05/2021] [Indexed: 11/25/2022] Open
Abstract
Drug design is an integrated and developing system that portends an era of a novel and safe tailored drugs. It involves studying the effects of biologically active synthetic, semi-synthetic, and natural compounds based on molecular interactions in terms of molecular structure with activated functional groups or its unique physicochemical properties involved. The title compound, N-(2-aminophenyl)-2-(4-bromophenoxy) acetamide (c), was synthesized in a good yield and characterized by different spectroscopic techniques (1H, 13CNMR, and LC-MS) and finally, the structure was confirmed by X-ray diffraction (XRD) studies. The XRD data confirms that the cryatal structure is orthorhombic with space group of Pca2 1 . The intermolecular interactions (N-H … O and N-H … Cg) inside the molecule stabilizes the crystal structure. The existence of this intermolecular interactions are computed by the Hirshfeld surfaces (HS) and two-dimensional (2D) fingerprints plot analysis. In addition to this, Energy frame work analysis is performed to quantify the interaction energies between the molecular pairs in a crystal by incorporating new version of CrystalExplorer17 using the energy model of HF/3-21G. Also to calculate the HOMO and LUMO energies, DFT calculations were carried out.
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Affiliation(s)
- S.N. Chandana
- Department of Engineering Physics, Adichunchanagiri Institute of Technology, Jyothinagara, Chikkamamagaluru 577102, Karnataka, India
| | - Fares Hezam Al-Ostoot
- Department of Chemistry Yuvaraja's College, University of Mysore, Mysore, Karnataka, India
- Department of Biochemistry, Faculty of Education and Science, Al-Bayudha University, Yemen
| | - Yasser Hussein Eissa Mohammed
- Department of Chemistry Yuvaraja's College, University of Mysore, Mysore, Karnataka, India
- Department of Biochemistry, Faculty of Applied Science, University of Hajjah, Yemen
| | - Tareq N. Al-Ramadneh
- Department of Basic Science, Biology Unit, Deanship of Preparatory Year and Supporting Studies, Imam Abdul Rahman Binn Faisal University, Saudi Arabia
| | - P. Akhileshwari
- Department of Studies in Physics, Manasagangotri, University of Mysore, Mysuru 570006, Karnataka, India
| | - Shaukath Ara Khanum
- Department of Chemistry Yuvaraja's College, University of Mysore, Mysore, Karnataka, India
| | - M.A. Sridhar
- Department of Studies in Physics, Manasagangotri, University of Mysore, Mysuru 570006, Karnataka, India
| | - B.N. Lakshminarayana
- Department of Engineering Physics, Adichunchanagiri Institute of Technology, Jyothinagara, Chikkamamagaluru 577102, Karnataka, India
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7
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Al-Ostoot FH, Salah S, Khanum SA. Recent investigations into synthesis and pharmacological activities of phenoxy acetamide and its derivatives (chalcone, indole and quinoline) as possible therapeutic candidates. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2021. [PMCID: PMC7849228 DOI: 10.1007/s13738-021-02172-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Medicinal chemistry can rightfully be regarded as a cornerstone in the public health of our modern society that combines chemistry and pharmacology with the aim of designing and developing new pharmaceutical compounds. For this purpose, many chemical techniques as well as new computational chemistry applications are used to study the utilization of drugs and their biological effects. In the biological interface, medicinal chemistry constitutes a group of interdisciplinary sciences, as well as controlling its organic, physical and computational pillars. Therefore, medicinal chemists working to design an integrated and developing system that portends an era of novel and safe tailored drugs either by synthesizing new pharmaceuticals or to improving the processes by which existing pharmaceuticals are made. It includes researching the effects of synthetic, semi-synthetic and natural biologically active substances based on molecular interactions in terms of molecular structure with triggered functional groups or the specific physicochemical properties. The present work focuses on the literature survey of chemical diversity of phenoxy acetamide and its derivatives (Chalcone, Indole and Quinoline) in the molecular framework in order to get complete information regarding pharmacologically interesting compounds of widely different composition. From a biological and industrial point of view, this literature review may provide an opportunity for the chemists to design new derivatives of phenoxy acetamide and its derivatives that proved to be the successful agent in view of safety and efficacy to enhance life quality.
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Affiliation(s)
- Fares Hezam Al-Ostoot
- Department of Chemistry, Yuvaraja’s College, University of Mysore, Mysuru, 570 006 India
- Department of Biochemistry, Faculty of Education and Science, Al-Baydha University, Al-Baydha, Yemen
| | - Salma Salah
- Faculty of Medicine and Health Sciences, Thamar University, Dhamar, Yemen
| | - Shaukath Ara Khanum
- Department of Chemistry, Yuvaraja’s College, University of Mysore, Mysuru, 570 006 India
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Nguyen CT, Vo NPT, Nguyen LTH, To KNT, Doan KV, Tran HQ. SYNTHESIS AND ANTIOXIDANT ACTIVITY OF SOME CHALCONES CONTAINING N-ARYLACETAMIDE GROUP. ACTA CHEMICA IASI 2021. [DOI: 10.47743/achi-2021-1-0001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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Iacopetta D, Lappano R, Mariconda A, Ceramella J, Sinicropi MS, Saturnino C, Talia M, Cirillo F, Martinelli F, Puoci F, Rosano C, Longo P, Maggiolini M. Newly Synthesized Imino-Derivatives Analogues of Resveratrol Exert Inhibitory Effects in Breast Tumor Cells. Int J Mol Sci 2020; 21:ijms21207797. [PMID: 33096835 PMCID: PMC7589783 DOI: 10.3390/ijms21207797] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 10/16/2020] [Accepted: 10/20/2020] [Indexed: 12/18/2022] Open
Abstract
Breast cancer represents the most frequently diagnosed malignancy in women worldwide. Various therapeutics are currently used in order to halt the progression of breast tumor, even though certain side effects may limit the beneficial effects. In recent years, many efforts have been addressed to the usefulness of natural compounds as anticancer agents due to their low toxicity. Resveratrol, a stilbene found in grapes, berries, peanuts and soybeans, has raised a notable interest for its antioxidant, anti-inflammatory, and antitumor properties. Here, we report the design, the synthesis and the characterization of the anticancer activity of a small series of imino N-aryl-substituted compounds that are analogues of resveratrol. In particular, the most active compound, named 3, exhibited anti-tumor activity in diverse types of breast cancer cells through the inhibition of the human topoisomerase II and the induction of apoptotic cell death. Therefore, the abovementioned compound maybe considered as a promising agent in more comprehensive treatments of breast cancer.
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Affiliation(s)
- Domenico Iacopetta
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, Italy; (D.I.); (R.L.); (J.C.); (M.T.); (F.C.); (F.P.); (M.M.)
| | - Rosamaria Lappano
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, Italy; (D.I.); (R.L.); (J.C.); (M.T.); (F.C.); (F.P.); (M.M.)
| | - Annaluisa Mariconda
- Department of Science, University of Basilicata, Viale dell’Ateneo Lucano 10, 85100 Potenza, Italy; (A.M.); (F.M.)
| | - Jessica Ceramella
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, Italy; (D.I.); (R.L.); (J.C.); (M.T.); (F.C.); (F.P.); (M.M.)
- Department of Biology and Chemistry, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Italy;
| | - Maria Stefania Sinicropi
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, Italy; (D.I.); (R.L.); (J.C.); (M.T.); (F.C.); (F.P.); (M.M.)
- Correspondence: (M.S.S.); (C.S.); Tel.: +39-0984-493200 (M.S.S.); Tel.: +39-0971-26442 (C.S.)
| | - Carmela Saturnino
- Department of Science, University of Basilicata, Viale dell’Ateneo Lucano 10, 85100 Potenza, Italy; (A.M.); (F.M.)
- Correspondence: (M.S.S.); (C.S.); Tel.: +39-0984-493200 (M.S.S.); Tel.: +39-0971-26442 (C.S.)
| | - Marianna Talia
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, Italy; (D.I.); (R.L.); (J.C.); (M.T.); (F.C.); (F.P.); (M.M.)
| | - Francesca Cirillo
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, Italy; (D.I.); (R.L.); (J.C.); (M.T.); (F.C.); (F.P.); (M.M.)
| | - Fabio Martinelli
- Department of Science, University of Basilicata, Viale dell’Ateneo Lucano 10, 85100 Potenza, Italy; (A.M.); (F.M.)
| | - Francesco Puoci
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, Italy; (D.I.); (R.L.); (J.C.); (M.T.); (F.C.); (F.P.); (M.M.)
| | - Camillo Rosano
- Biopolymers and Proteomics IRCCS, Ospedale Policlinico San Martino–IST, Largo R. Benzi 10, 16132 Genova, Italy;
| | - Pasquale Longo
- Department of Biology and Chemistry, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Italy;
| | - Marcello Maggiolini
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, Italy; (D.I.); (R.L.); (J.C.); (M.T.); (F.C.); (F.P.); (M.M.)
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In Vivo Studies of Inoculated Plants and In Vitro Studies Utilizing Methanolic Extracts of Endophytic Streptomyces sp. Strain DBT34 Obtained from Mirabilis jalapa L. Exhibit ROS-Scavenging and Other Bioactive Properties. Int J Mol Sci 2020; 21:ijms21197364. [PMID: 33036127 PMCID: PMC7582327 DOI: 10.3390/ijms21197364] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 09/16/2020] [Accepted: 09/21/2020] [Indexed: 02/06/2023] Open
Abstract
Reactive oxygen species (ROS) and other free radicals cause oxidative damage in cells under biotic and abiotic stress. Endophytic microorganisms reside in the internal tissues of plants and contribute to the mitigation of such stresses by the production of antioxidant enzymes and compounds. We hypothesized that the endophytic actinobacterium Streptomyces sp. strain DBT34, which was previously demonstrated to have plant growth-promoting (PGP) and antimicrobial properties, may also have a role in protecting plants against several stresses through the production of antioxidants. The present study was designed to characterize catalase and superoxide dismutase (SOD), two enzymes involved in the detoxification of ROS, in methanolic extracts derived from six endophytic actinobacterial isolates obtained from the traditional medicinal plant Mirabilis jalapa. The results of a preliminary screen indicated that Streptomyces sp. strain DBT34 was the best overall strain and was therefore used in subsequent detailed analyses. A methanolic extract of DBT34 exhibited significant antioxidant potential in 1,1-diphenyl-2-picrylhydrazyl (DPPH) and 2,2'-azino-bis-3-ethylbenzthiazoline-6-sulphonic acid (ABTS) assays. The cytotoxicity of DBT34 against liver hepatocellular cells (HepG2) was also determined. Results indicated that methanolic extract of Streptomyces sp. strain DBT34 exhibited significant catalase and SOD-like activity with 158.21 U resulting in a 55.15% reduction in ROS. The IC50 values of a crude methanolic extract of strain DBT34 on DPPH radical scavenging and ABTS radical cation decolorization were 41.5 µg/mL and 47.8 µg/mL, respectively. Volatile compounds (VOC) were also detected in the methanolic extract of Streptomyces sp. strain DBT34 using GC-MS analysis to correlate their presence with bioactive potential. Treatments of rats with DBT34 extract and sitagliptin resulted in a significant (p ≤ 0.001) reduction in total cholesterol, LDL-cholesterol, and VLDL-cholesterol, relative to the vehicle control and a standard diabetic medicine. The pancreatic histoarchitecture of vehicle control rats exhibited a compact volume of isolated clusters of Langerhans cells surrounded by acinies with proper vaculation. An in-vivo study of Streptomyces sp. strain DBT34 on chickpea seedlings revealed an enhancement in its antioxidant potential as denoted by lower IC50 values for DPPH and ABTS radical scavenging activity under greenhouse conditions in relative comparison to control plants. Results of the study indicate that strain DBT34 provides a defense mechanism to its host through the production of antioxidant therapeutic agents that mitigate ROS in hosts subjected to biotic and abiotic stresses.
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Mahmood R, Kayani WK, Ahmed T, Malik F, Hussain S, Ashfaq M, Ali H, Rubnawaz S, Green BD, Calderwood D, Kenny O, Rivera GA, Mirza B, Rasheed F. Assessment of antidiabetic potential and phytochemical profiling of Rhazya stricta root extracts. BMC Complement Med Ther 2020; 20:293. [PMID: 32993632 PMCID: PMC7523044 DOI: 10.1186/s12906-020-03035-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Accepted: 07/24/2020] [Indexed: 12/17/2022] Open
Abstract
Background Diabetes mellitus is a chronic disease characterized by hyperglycemia that may occur due to genetic, environmental or lifestyle factors. Natural remedies have been used to treat diabetes since long and many antidiabetic compounds of varied efficacies have been isolated from medicinal plants. Rhazya stricta has been used for decades for the treatment of diabetes mellitus and associated ailments. Considering the folkloric use of R. stricta against diabetes, it was aimed to investigate the effectiveness of its root extracts against diabetes through in vitro assays and in vivo studies using animal model along with phytochemical profiling through GCMS. Methods Various fractions of Rhazya stricta obtained through column chromatography were evaluated for a variety of assays including α-glucosidase, Dipeptidyl peptidase-IV (DPP-IV), β-secretase and Glucagon-like peptide-1 (GLP-1) secretion studies. For the in vivo studies the alloxan-induced diabetic mice were treated with root extracts and blood glucose levels, HbA1C, and other biochemical markers along with the histological study of the liver were done. The phytochemical identification was performed using an Agilent 7890B GC coupled to a 7010 Triple Quadrupole (MS/MS) system. GraphPad Prism software version 5.01 was used for statistical analysis. Results Majority of the extract fractions showed excellent results against diabetes by inhibiting enzymes DPP-IV (Up to 61%) and β-secretase (Up to 83%) with IC50s 979 μg/ml and 169 μg/ml respectively with increase in the GLP1 secretion. The results of in vivo studies indicated a marked reduction in blood glucose and HbA1c levels along with positive effects on other parameters like lipid profile, liver functions and renal functions of extract-treated mice as compared to control. The histological examination of the liver demonstrated hepatoprotective effects against diabetes led changes and various classes of phytochemicals were also identified through GCMS in different fractions. Conclusion The results revealed strong antidiabetic activity of R. stricta root with the potential to protect body organs against diabetic changes. Moreover, a variety of phytochemicals has also been identified through GCMS that might be responsible for the antidiabetic potential of Rhazya stricta root. Graphical abstract ![]()
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Affiliation(s)
- Rashid Mahmood
- Department of Biochemistry, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan.,Drugs Control & Traditional Medicines Division, National Institute of Health, Islamabad, Pakistan
| | - Waqas Khan Kayani
- Department of Plant Breeding, Swedish University of Agricultural Sciences, Växtskyddsvägen 1, SE-230 53 Alnarp, Uppsala, Sweden
| | - Tanveer Ahmed
- Department of Biochemistry, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Farnaz Malik
- Drugs Control & Traditional Medicines Division, National Institute of Health, Islamabad, Pakistan
| | - Shahzad Hussain
- Drugs Control & Traditional Medicines Division, National Institute of Health, Islamabad, Pakistan
| | - Muhammad Ashfaq
- Drugs Control & Traditional Medicines Division, National Institute of Health, Islamabad, Pakistan
| | - Hussain Ali
- Animal House, National Institute of Health, Islamabad, Pakistan
| | - Samina Rubnawaz
- Department of Biochemistry, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Brian D Green
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, Belfast, Northern Ireland
| | - Danielle Calderwood
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, Belfast, Northern Ireland
| | - Owen Kenny
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, Belfast, Northern Ireland
| | - Gerardo A Rivera
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, Belfast, Northern Ireland
| | - Bushra Mirza
- Department of Biochemistry, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Faiza Rasheed
- KTH Royal Institute of Technology, School of Chemical Science and Engineering, SE-100 44, Stockholm, Sweden.
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12
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Synthesis and Structure-Activity Relationship of 1-(2-Furoyl)Piperazine Bearing Benzamides as Butyrylcholinesterase Inhibitors. Pharm Chem J 2020. [DOI: 10.1007/s11094-020-02247-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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13
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Cordeiro L, Diniz-Neto H, Figueiredo P, Souza H, Sousa A, Andrade-Júnior F, Melo T, Ferreira E, Oliveira R, Athayde-Filho P, Barbosa-Filho J, Oliveira-Filho A, Lima E. Potential of 2-Chloro- N-(4-fluoro-3-nitrophenyl)acetamide Against Klebsiella pneumoniae and In Vitro Toxicity Analysis. Molecules 2020; 25:molecules25173959. [PMID: 32877986 PMCID: PMC7504751 DOI: 10.3390/molecules25173959] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 07/18/2020] [Accepted: 07/21/2020] [Indexed: 11/16/2022] Open
Abstract
Klebsiella pneumoniae causes a wide range of community and nosocomial infections. The high capacity of this pathogen to acquire resistance drugs makes it necessary to develop therapeutic alternatives, discovering new antibacterial molecules. Acetamides are molecules that have several biological activities. However, there are no reports on the activity of 2-chloro-N-(4-fluoro-3-nitrophenyl)acetamide. Based on this, this study aimed to investigate the in vitro antibacterial activity of this molecule on K. pneumoniae, evaluating whether the presence of the chloro atom improves this effect. Then, analyzing its antibacterial action more thoroughly, as well as its cytotoxic and pharmacokinetic profile, in order to contribute to future studies for the viability of a new antibacterial drug. It was shown that the substance has good potential against K. pneumoniae and the chloro atom is responsible for improving this activity, stabilizing the molecule in the target enzyme at the site. The substance possibly acts on penicillin-binding protein, promoting cell lysis. The analysis of cytotoxicity and mutagenicity shows favorable results for future in vivo toxicological tests to be carried out, with the aim of investigating the potential of this molecule. In addition, the substance showed an excellent pharmacokinetic profile, indicating good parameters for oral use.
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Affiliation(s)
- Laísa Cordeiro
- Department of Pharmaceutical Science, Health Sciences Center, Federal University of Paraíba, 58033-455 João Pessoa, Paraíba, Brazil; (H.D.-N.); (P.F.); (A.S.); (F.A.-J.); (T.M.); (E.F.); (J.B.-F.); (E.L.)
- Correspondence: ; Tel.: +55-83-3216-7347
| | - Hermes Diniz-Neto
- Department of Pharmaceutical Science, Health Sciences Center, Federal University of Paraíba, 58033-455 João Pessoa, Paraíba, Brazil; (H.D.-N.); (P.F.); (A.S.); (F.A.-J.); (T.M.); (E.F.); (J.B.-F.); (E.L.)
| | - Pedro Figueiredo
- Department of Pharmaceutical Science, Health Sciences Center, Federal University of Paraíba, 58033-455 João Pessoa, Paraíba, Brazil; (H.D.-N.); (P.F.); (A.S.); (F.A.-J.); (T.M.); (E.F.); (J.B.-F.); (E.L.)
| | - Helivaldo Souza
- Chemistry Department, Exact and Natural Sciences Center, Federal University of Paraíba, 58033-455 João Pessoa, Brazil; (H.S.); (R.O.); (P.A.-F.)
| | - Aleson Sousa
- Department of Pharmaceutical Science, Health Sciences Center, Federal University of Paraíba, 58033-455 João Pessoa, Paraíba, Brazil; (H.D.-N.); (P.F.); (A.S.); (F.A.-J.); (T.M.); (E.F.); (J.B.-F.); (E.L.)
| | - Francisco Andrade-Júnior
- Department of Pharmaceutical Science, Health Sciences Center, Federal University of Paraíba, 58033-455 João Pessoa, Paraíba, Brazil; (H.D.-N.); (P.F.); (A.S.); (F.A.-J.); (T.M.); (E.F.); (J.B.-F.); (E.L.)
| | - Thamara Melo
- Department of Pharmaceutical Science, Health Sciences Center, Federal University of Paraíba, 58033-455 João Pessoa, Paraíba, Brazil; (H.D.-N.); (P.F.); (A.S.); (F.A.-J.); (T.M.); (E.F.); (J.B.-F.); (E.L.)
| | - Elba Ferreira
- Department of Pharmaceutical Science, Health Sciences Center, Federal University of Paraíba, 58033-455 João Pessoa, Paraíba, Brazil; (H.D.-N.); (P.F.); (A.S.); (F.A.-J.); (T.M.); (E.F.); (J.B.-F.); (E.L.)
| | - Rafael Oliveira
- Chemistry Department, Exact and Natural Sciences Center, Federal University of Paraíba, 58033-455 João Pessoa, Brazil; (H.S.); (R.O.); (P.A.-F.)
| | - Petrônio Athayde-Filho
- Chemistry Department, Exact and Natural Sciences Center, Federal University of Paraíba, 58033-455 João Pessoa, Brazil; (H.S.); (R.O.); (P.A.-F.)
| | - José Barbosa-Filho
- Department of Pharmaceutical Science, Health Sciences Center, Federal University of Paraíba, 58033-455 João Pessoa, Paraíba, Brazil; (H.D.-N.); (P.F.); (A.S.); (F.A.-J.); (T.M.); (E.F.); (J.B.-F.); (E.L.)
| | - Abrahão Oliveira-Filho
- Rural Health and Technology Center, Federal University of Campina Grande, 58708-110 Patos, Brazil;
| | - Edeltrudes Lima
- Department of Pharmaceutical Science, Health Sciences Center, Federal University of Paraíba, 58033-455 João Pessoa, Paraíba, Brazil; (H.D.-N.); (P.F.); (A.S.); (F.A.-J.); (T.M.); (E.F.); (J.B.-F.); (E.L.)
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Alsantali RI, Hussein EM, Obaid RJ, Morad M, Altass HM, Alharbi A, Hameed AM, Jassas R, Abourehab MA, Asghar BH, Moussa Z, Ahmed SA. Bioactive Fluorenes. Part II. Unprecedented biologically active thiazole derivatives based-2,7-dichlorofluorene as competent DHFR inhibitors: Design, synthesis, and molecular docking approaches. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2020.03.024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
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15
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Tailoring of novel biologically active molecules based on N-substituted sulfonamides bearing thiazole moiety exhibiting unique multi-addressable biological potentials. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2020.03.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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16
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Hussein EM, Al-Rooqi MM, Abd El-Galil SM, Ahmed SA. Design, synthesis, and biological evaluation of novel N 4 -substituted sulfonamides: acetamides derivatives as dihydrofolate reductase (DHFR) inhibitors. BMC Chem 2019; 13:91. [PMID: 31384838 PMCID: PMC6661844 DOI: 10.1186/s13065-019-0603-x] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Accepted: 06/29/2019] [Indexed: 11/21/2022] Open
Abstract
Background Sulfonamide derivatives are of great attention due to their wide spectrum of biological activities. Sulfonamides conjugated with acetamide fragments exhibit antimicrobial and anticancer activities. The inhibition dihydrofolate reductase (DHFR) is considered as one of the most prominent mechanism though which sulfonamide derivatives exhibits antimicrobial and antitumor activities. Results In this study, a new series of 2-(arylamino)acetamides and N-arylacetamides containing sulfonamide moieties were designed, synthesized, characterized and assessed for their antimicrobial activity and screened for cytotoxic activity against human lung carcinoma (A-549) and human breast carcinoma (MCF-7) cell lines. A molecular docking study was performed to identify the mode of action of the synthesized compounds and their good binding interactions were observed with the active sites of dihydrofolate reductase (DHFR). Conclusion Most of the synthesized compounds showed significant activity against A-549 and MCF-7 when compared to 5-Fluorouracil (5-FU), which was used as a reference drug. Some of these synthesized compounds are active as antibacterial and antifungal agents.![]() Electronic supplementary material The online version of this article (10.1186/s13065-019-0603-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Essam M Hussein
- 1Department of Chemistry, Faculty of Applied Science, Umm Al-Qura University, Makkah, 21955 Saudi Arabia.,2Chemistry Department, Faculty of Science, Assiut University, Assiut, 71516 Egypt
| | - Munirah M Al-Rooqi
- 1Department of Chemistry, Faculty of Applied Science, Umm Al-Qura University, Makkah, 21955 Saudi Arabia
| | - Shimaa M Abd El-Galil
- 3Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy (Girls), Al-azhar University, Nacr City, Cairo, Egypt
| | - Saleh A Ahmed
- 1Department of Chemistry, Faculty of Applied Science, Umm Al-Qura University, Makkah, 21955 Saudi Arabia.,2Chemistry Department, Faculty of Science, Assiut University, Assiut, 71516 Egypt
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17
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Rozy F, Sharon A. Base Catalyzed Scaffold Shift from Pyranone Carboxamide to Pyrazolyl Acetamide through Intramolecular Ring Transformation. ChemistrySelect 2019. [DOI: 10.1002/slct.201900373] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Farhana Rozy
- Department of ChemistryBirla Institute of Technology, Mesra, Ranchi Jharkhand India- 835215
| | - Ashoke Sharon
- Department of ChemistryBirla Institute of Technology, Mesra, Ranchi Jharkhand India- 835215
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18
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Pattanashetty SH, Hosamani KM, Shettar AK, Mohammed Shafeeulla R. Design, Synthesis and Computational Studies of Novel Carbazole N-phenylacetamide Hybrids as Potent Antibacterial, Anti-inflammatory, and Antioxidant Agents. J Heterocycl Chem 2018. [DOI: 10.1002/jhet.3214] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
| | - K. M. Hosamani
- Department of Studies in Chemistry; Karnatak University; Pavate Nagar Dharwad 580 003 Karnataka India
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19
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Yan SS, Zhu L, Ye JH, Zhang Z, Huang H, Zeng H, Li CJ, Lan Y, Yu DG. Ruthenium-catalyzed umpolung carboxylation of hydrazones with CO 2. Chem Sci 2018; 9:4873-4878. [PMID: 29910940 PMCID: PMC5982211 DOI: 10.1039/c8sc01299g] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 04/27/2018] [Indexed: 11/26/2022] Open
Abstract
The first ruthenium-catalyzed umpolung carboxylation of hydrazones with CO2 to generate important aryl acetic acids is reported.
The first ruthenium-catalyzed umpolung carboxylation of hydrazones with CO2 to generate important aryl acetic acids is reported. Besides aldehyde hydrazones, a variety of ketone hydrazones, which have not been successfully applied in previous umpolung reactions with other reactive electrophiles, also show high reactivity and selectivity under mild conditions. Moreover, this operationally simple protocol features good functional group tolerance, is readily scalable, and offers easy derivation of important structures, including bioactive felbinac and adiphenine. Computational studies reveal that this umpolung reaction proceeds through the generation of a Ru-nitrenoid followed by concerted [4 + 2] cycloaddition with CO2.
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Affiliation(s)
- Si-Shun Yan
- Key Laboratory of Green Chemistry & Technology of Ministry of Education , College of Chemistry , Sichuan University , 29 Wangjiang Road , Chengdu 610064 , P. R. China .
| | - Lei Zhu
- School of Chemistry and Chemical Engineering , Chongqing University , Chongqing 400030 , P. R. China .
| | - Jian-Heng Ye
- Key Laboratory of Green Chemistry & Technology of Ministry of Education , College of Chemistry , Sichuan University , 29 Wangjiang Road , Chengdu 610064 , P. R. China .
| | - Zhen Zhang
- Key Laboratory of Green Chemistry & Technology of Ministry of Education , College of Chemistry , Sichuan University , 29 Wangjiang Road , Chengdu 610064 , P. R. China .
| | - He Huang
- Key Laboratory of Green Chemistry & Technology of Ministry of Education , College of Chemistry , Sichuan University , 29 Wangjiang Road , Chengdu 610064 , P. R. China .
| | - Huiying Zeng
- The State Key Laboratory of Applied Organic Chemistry , Lanzhou University , Lanzhou 730000 , P. R. China
| | - Chao-Jun Li
- The State Key Laboratory of Applied Organic Chemistry , Lanzhou University , Lanzhou 730000 , P. R. China.,Department of Chemistry and FQRNT Centre for Green Chemistry and Catalysis , McGill University , 801 Sherbrooke St. W. , Montreal , Quebec H3A 0B8 , Canada .
| | - Yu Lan
- School of Chemistry and Chemical Engineering , Chongqing University , Chongqing 400030 , P. R. China .
| | - Da-Gang Yu
- Key Laboratory of Green Chemistry & Technology of Ministry of Education , College of Chemistry , Sichuan University , 29 Wangjiang Road , Chengdu 610064 , P. R. China . .,State Key Laboratory of Elemento-Organic Chemistry , Nankai University , Tianjin 300071 , P. R. China
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20
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Ito M, Kawasaki R, Kanyiva KS, Shibata T. Catalytic Dearomative Spirocyclization via Gold Carbene Species Derived from Ynamides: Efficient Synthesis of 2-Azaspiro[4.5]decan-3-ones. Chemistry 2018; 24:3721-3724. [PMID: 29372752 DOI: 10.1002/chem.201800314] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Indexed: 11/06/2022]
Abstract
An intramolecular catalytic dearomatization of phenols via gold carbene species proceeded to provide 2-azaspiro[4.5]decan-3-ones. The use of NHC ligand and water as a co-solvent was critical for achieving high reactivity. This reaction did not require hazardous diazo compounds as carbene sources and proceeded even under air. The obtained spirocyclic product could be readily transformed into a gabapentin derivative by hydrogenation and deprotection.
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Affiliation(s)
- Mamoru Ito
- Department of Chemistry and Biochemistry, School of Advanced Science and Engineering, Waseda University, Shinjuku, Tokyo, 169-8555, Japan
| | - Ryosuke Kawasaki
- Department of Chemistry and Biochemistry, School of Advanced Science and Engineering, Waseda University, Shinjuku, Tokyo, 169-8555, Japan
| | - Kyalo Stephen Kanyiva
- Global Center for Science and Engineering, School of Advanced Science and Engineering, Waseda University, Shinjuku, Tokyo, 169-8555, Japan
| | - Takanori Shibata
- Department of Chemistry and Biochemistry, School of Advanced Science and Engineering, Waseda University, Shinjuku, Tokyo, 169-8555, Japan.,ACT-C (Japan) Science and Technology Agency (JST), 4-1-8 Honcho Kawaguchi, Saitama, 332-0012, Japan
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21
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Novel quinazoline and acetamide derivatives as safe anti-ulcerogenic agent and anti-ulcerative colitis activity. Saudi Pharm J 2017; 26:138-143. [PMID: 29379346 PMCID: PMC5783812 DOI: 10.1016/j.jsps.2017.09.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2017] [Accepted: 09/27/2017] [Indexed: 01/02/2023] Open
Abstract
Two novel quinazoline derivatives named as; 3-[(4-hydroxy-3-methoxy-benzylidene)-amino]-2-p-tolyl-3H-quinazolin-4-one (5) and 2-p-Tolyl-3-[3,4,5-trimethoxy-benzylidene-amino]-3H-quinazolin-4-one (6) in addition to one acetamide derivative named as 2-(2-Hydroxycarbonylphenylamino)-N-(4-aminosulphonylphenyl) 11 were synthesized, and evaluated for their anti-ulcerogenic & Anti-Ulcerative colitis activities. All of the three compounds showed curative activity against acetic acid induced ulcer model at a dose of 50 mg/kg, they produced 65%, 85% & 57.74% curative ratio for compounds 5, 6 & 11 respectively. The effect of the tested compounds 5, 6 & 11 at dose 50 mg/kg were significantly (P < 0.01) more effective than dexamesathone (0.1 mg/kg) in reducing all parameters. Compounds showed curative activity of for peptic ulcer (induced by absolute alcohol (at a dose of 50 mg/kg, it produced Curative of control ulcer 56.00%, 61.70% & 87.1% for compounds 5, 6 & 11 respectively at dose 50 mg/kg, while the standard drug (Omeprazole 20 mg/kg) produced 33.3%. In both tests, the activity of our target compounds were higher than the standard drugs used for treatment of peptic ulcer and ulcerative colitis. No side effects were reported on liver and kidney functions upon prolonged oral administration of this compounds.
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Tundis R, Iacopetta D, Sinicropi MS, Bonesi M, Leporini M, Passalacqua NG, Ceramella J, Menichini F, Loizzo MR. Assessment of antioxidant, antitumor and pro-apoptotic effects of Salvia fruticosa Mill. subsp. thomasii (Lacaita) Brullo, Guglielmo, Pavone & Terrasi (Lamiaceae). Food Chem Toxicol 2017; 106:155-164. [PMID: 28552787 DOI: 10.1016/j.fct.2017.05.040] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 04/27/2017] [Accepted: 05/19/2017] [Indexed: 01/28/2023]
Abstract
The aim of the present study was to investigate the in vitro antioxidant and antitumor effects of Salvia fruticosa Mill subsp. thomasii (Lacaita) Brullo, Guglielmo, Pavone & Terrasi (Lamiaceae). The aerial parts were extracted by maceration with methanol. This extract was partitioned with methanol and n-hexane. Luteolin, luteolin 7-O-glucoside, rutin and salvigenin were isolated from the methanol-soluble fraction. n-Hexane fraction showed viridiflorol, β-pinene, 1,8-cineole, as main components. The methanol-soluble fraction exerted antitumor activity against human breast cancer (MCF-7 and MDA-MB-231) and human colorectal carcinoma (RKO and Caco-2) cells. TUNEL test revealed that S. fruticosa subsp. thomasii leads to cells death by apoptosis, with low cytotoxic effects on non-tumoral 3T3-L1 cells. Moreover, it exerted the highest protection of lipid peroxidation and reduced the oxidative stress induced by menadione treatment in 3T3-L1 murine fibroblasts. S. fruticosa subsp. thomasii bioactivity could promote its use not only as food but also in nutraceutical/pharmaceutical industries.
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Affiliation(s)
- R Tundis
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, CS, Italy.
| | - D Iacopetta
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, CS, Italy.
| | - M S Sinicropi
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, CS, Italy.
| | - M Bonesi
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, CS, Italy.
| | - M Leporini
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, CS, Italy.
| | - N G Passalacqua
- Natural History Museum of Calabria and Botanic Garden, University of Calabria, I-87036 Rende, CS, Italy.
| | - J Ceramella
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, CS, Italy
| | - F Menichini
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, CS, Italy.
| | - M R Loizzo
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, CS, Italy.
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Zafar MN, Nazar MF, Raza MA, Mughal EU, Dalebrook AF, Wright LJ. Synthesis, characterization, preliminary biological screening, and interaction studies of the bis(pyridinium)amine compound, 4,4'-[(2-aminophenyl)azanediyl]bis(1-methylpyridin-1-ium)triflate with biological macromolecules. RUSS J GEN CHEM+ 2017. [DOI: 10.1134/s1070363217030288] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Effect of mitochondrially targeted carboxy proxyl nitroxide on Akt-mediated survival in Daudi cells: Significance of a dual mode of action. PLoS One 2017; 12:e0174546. [PMID: 28426671 PMCID: PMC5398517 DOI: 10.1371/journal.pone.0174546] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 03/10/2017] [Indexed: 12/15/2022] Open
Abstract
Vicious cycles of mutations and reactive oxygen species (ROS) generation contribute to cancer progression. The use of antioxidants to inhibit ROS generation promotes cytostasis by affecting the mutation cycle and ROS-dependent survival signaling. However, cancer cells select mutations to elevate ROS albeit maintaining mitochondrial hyperpolarization (Δψm), even under hypoxia. From this perspective, the use of drugs that disrupt both ROS generation and Δψm is a viable anticancer strategy. Hence, we studied the effects of mitochondrially targeted carboxy proxyl nitroxide (Mito-CP) and a control ten carbon TPP moiety (Dec-TPP+) in the human Burkitt lymphoma cell line (Daudi) and normal peripheral blood mononuclear cells under hypoxia and normoxia. We found preferential localization, Δψm and adenosine triphosphate loss, and significant cytotoxicity by Mito-CP in Daudi cells alone. Interestingly, ROS levels were decreased and maintained in hypoxic and normoxic cancer cells, respectively, by Mito-CP but not Dec-TPP+, therefore preventing any adaptive signaling. Moreover, dual effects on mitochondrial bioenergetics and ROS by Mito-CP curtailed the cancer survival via Akt inhibition, AMPK-HIF-1α activation and promoted apoptosis via increased BCL2-associated X protein and poly (ADP-ribose) polymerase expression. This dual mode of action by Mito-CP provides a better explanation of the application of antioxidants with specific relevance to cancerous transformation and adaptations in the Daudi cell line.
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Anti-Inflammatory, Antioxidant and Crystallographic Studies of N-Palmitoyl-ethanol Amine (PEA) Derivatives. Molecules 2017; 22:molecules22040616. [PMID: 28398240 PMCID: PMC6154659 DOI: 10.3390/molecules22040616] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Revised: 04/03/2017] [Accepted: 04/05/2017] [Indexed: 12/12/2022] Open
Abstract
N-Palmitoyl-ethanolamine (PEA) is an anti-inflammatory component of egg yolk that is usually employed for the prevention of respiratory apparatus virus infection and then frequently used for its efficient anti-inflammatory and analgesic effects in experimental models of visceral, neuropathic, and inflammatory diseases. Nevertheless, data of its use in animal or human therapy are still scarce and further studies are needed. Herein, we report the biological evaluation of a small library of N-palmitoyl-ethanolamine analogues or derivatives, characterized by a protected acid function (either as palmitoyl amides or hexadecyl esters), useful to decrease their hydrolysis rate in vitro and prolong their biological activity. Two of these compounds—namely phenyl-carbamic acid hexadecyl ester (4) and 2-methyl-pentadecanoic acid (4-nitro-phenyl)-amide (5)—have shown good anti-inflammatory and antioxidant properties, without affecting the viability of J774A.1 macrophages. Finally, crystals suitable for X-ray analysis of compound 4 have been obtained, and its solved crystal structure is here reported. Our outcomes may be helpful for a rational drug design based on new PEA analogues/derivatives with improved biological properties.
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Abstract
Now clear evidences are available to support the hypothesis that inflammation accelerates the conditions including events and molecules that reach to various types of cancers. Inflammation is a normal response to infection containing the innate and adaptive immune systems. However, when allowed to continue, unresolved, perturbation of cellular microenvironment takes place; therefore, it leads to adaptations in genes that are linked to cancer. In addition, a lot of data are accessible confirming the concept that tumour microenvironment is orchestrated by various inflammatory cells and goes to neoplastic process and finally invasion, migration and metastasis. However, infiltrations of leucocytes lead to angiogenesis, propagation and invasion. An inflammatory microenvironment that perhaps fostering impact of angiogenesis include cytokines, chemokines, enzymes and growth factors that play key role for expansion and invasion of cancer cells. This insight highlights the pathogenesis of inflammation-associated cancers and also touches and fosters the role of acetamides for the treatment and chemoprevention of carcinomas that are allied with inflammation.
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Affiliation(s)
- Priyanka Rani
- a Department of Chemistry , School of Sciences, IFTM University Moradabad , Uttar Pradesh , India
| | - Dilipkumar Pal
- b Department of Pharmaceutical Sciences , Guru Ghasidas Vishwavidyalaya (A Central University) , Koni, Bilaspur , CG , India
| | - Rahul Rama Hegde
- c Department of Pharmaceutics , School of Pharmaceutical Sciences, IFTM University Moradabad , Uttar Pradesh , India
| | - Syed Riaz Hashim
- d Department of Chemistry , School of Pharmaceutical Sciences, IFTM University Moradabad , Uttar Pradesh , India
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Zhuge R, Wu L, Quan M, Butt N, Yang G, Zhang W. Palladium-Catalyzed Addition of Arylboronic Acids topara- Quinone Methides for Preparation of Diarylacetates. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201601302] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Ruijing Zhuge
- School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
| | - Liang Wu
- School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
| | - Mao Quan
- School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
| | - Nicholas Butt
- School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
| | - Guoqiang Yang
- School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
| | - Wanbin Zhang
- School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
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Ma B, Chu Z, Huang B, Liu Z, Liu L, Zhang J. Highlypara-Selective C−H Alkylation of Benzene Derivatives with 2,2,2-Trifluoroethyl α-Aryl-α-Diazoesters. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201611809] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Ben Ma
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; School of Chemistry and Molecular Engineering; East China Normal University; 3663 North Zhongshan Road Shanghai 200062 China
| | - Zhaowei Chu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; School of Chemistry and Molecular Engineering; East China Normal University; 3663 North Zhongshan Road Shanghai 200062 China
| | - Ben Huang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; School of Chemistry and Molecular Engineering; East China Normal University; 3663 North Zhongshan Road Shanghai 200062 China
| | - Zhenli Liu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; School of Chemistry and Molecular Engineering; East China Normal University; 3663 North Zhongshan Road Shanghai 200062 China
| | - Lu Liu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; School of Chemistry and Molecular Engineering; East China Normal University; 3663 North Zhongshan Road Shanghai 200062 China
| | - Junliang Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; School of Chemistry and Molecular Engineering; East China Normal University; 3663 North Zhongshan Road Shanghai 200062 China
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Ma B, Chu Z, Huang B, Liu Z, Liu L, Zhang J. Highlypara-Selective C−H Alkylation of Benzene Derivatives with 2,2,2-Trifluoroethyl α-Aryl-α-Diazoesters. Angew Chem Int Ed Engl 2017; 56:2749-2753. [DOI: 10.1002/anie.201611809] [Citation(s) in RCA: 93] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Indexed: 11/06/2022]
Affiliation(s)
- Ben Ma
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; School of Chemistry and Molecular Engineering; East China Normal University; 3663 North Zhongshan Road Shanghai 200062 China
| | - Zhaowei Chu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; School of Chemistry and Molecular Engineering; East China Normal University; 3663 North Zhongshan Road Shanghai 200062 China
| | - Ben Huang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; School of Chemistry and Molecular Engineering; East China Normal University; 3663 North Zhongshan Road Shanghai 200062 China
| | - Zhenli Liu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; School of Chemistry and Molecular Engineering; East China Normal University; 3663 North Zhongshan Road Shanghai 200062 China
| | - Lu Liu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; School of Chemistry and Molecular Engineering; East China Normal University; 3663 North Zhongshan Road Shanghai 200062 China
| | - Junliang Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; School of Chemistry and Molecular Engineering; East China Normal University; 3663 North Zhongshan Road Shanghai 200062 China
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An Acetamide Derivative as a Camptothecin Sensitizer for Human Non-Small-Cell Lung Cancer Cells through Increased Oxidative Stress and JNK Activation. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2016; 2016:9128102. [PMID: 27843533 PMCID: PMC5098095 DOI: 10.1155/2016/9128102] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Accepted: 08/31/2016] [Indexed: 11/17/2022]
Abstract
In recent years, combination chemotherapy is a primary strategy for treating lung cancer; however, the issues of antagonism and side effects still limit its applications. The development of chemosensitizer aims to sensitize chemoresistant cancer cells to anticancer drugs and therefore improve the efficacy of chemotherapy. In this study, we examined whether N-[2-(morpholin-4-yl)phenyl]-2-{8-oxatricyclo[7.4.0.0,2,7]trideca-1(9),2(7),3,5,10,12-hexaen-4-yloxy}acetamide (NPOA), an acetamide derivative, sensitizes human non-small-cell lung cancer (NSCLC) H1299 cells towards camptothecin- (CPT-) induced apoptosis effects. Our results demonstrate that the combination of CPT and NPOA enhances anti-lung-cancer effect. The cytometer-based Annexin V/propidium iodide (PI) staining showed that CPT and NPOA cotreatment causes an increased population of apoptotic cells compared to CPT treatment alone. Moreover, Western blotting assay showed an enhancement of Bax expression and caspase cascade leading to cell death of H1299 cells. Besides, CPT and NPOA cotreatment-mediated disruption of mitochondrial membrane potential (MMP) in H1299 cells may function through increasing the activation of the stressed-associated c-Jun N-terminal kinase (JNK). These results showed that NPOA treatment sensitizes H1299 cells towards CPT-induced accumulation of cell cycle S phase and mitochondrial-mediated apoptosis through regulating endogenous ROS and JNK activation. Accordingly, NPOA could be a candidate chemosensitizer of CPT derivative agents such as irinotecan or topotecan in the future.
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Khalid H, Aziz-ur-Rehman, Abbasi MA, Malik A, Rasool S, Nafeesa K, Ahmad I, Afzal S. Synthesis, spectral analysis and anti-bacterial study of N -substituted derivatives of 2-(5-(1-(phenylsulfonyl)piperidin-4-yl)-1,3,4-oxadiazol-2-ylthio)acetamide. JOURNAL OF SAUDI CHEMICAL SOCIETY 2016. [DOI: 10.1016/j.jscs.2013.05.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Mamillapalli NC, Sekar G. Chemoselective Reductive Deoxygenation and Reduction of α-Keto Amides by using a Palladium Catalyst. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201500255] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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33
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Prakash GS, Paknia F, Kulkarni A, Narayanan A, Wang F, Rasul G, Mathew T, Olah GA. Taming of superacids: PVP-triflic acid as an effective solid triflic acid equivalent for Friedel–Crafts hydroxyalkylation and acylation. J Fluor Chem 2015. [DOI: 10.1016/j.jfluchem.2014.08.020] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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34
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Acetylated hyaluronic acid: enhanced bioavailability and biological studies. BIOMED RESEARCH INTERNATIONAL 2014; 2014:921549. [PMID: 25114930 PMCID: PMC4121155 DOI: 10.1155/2014/921549] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2014] [Accepted: 06/25/2014] [Indexed: 01/03/2023]
Abstract
Hyaluronic acid (HA), a macropolysaccharidic component of the extracellular matrix, is common to most species and it is found in many sites of the human body, including skin and soft tissue. Not only does HA play a variety of roles in physiologic and in pathologic events, but it also has been extensively employed in cosmetic and skin-care products as drug delivery agent or for several biomedical applications. The most important limitations of HA are due to its short half-life and quick degradation in vivo and its consequently poor bioavailability. In the aim to overcome these difficulties, HA is generally subjected to several chemical changes. In this paper we obtained an acetylated form of HA with increased bioavailability with respect to the HA free form. Furthermore, an improved radical scavenging and anti-inflammatory activity has been evidenced, respectively, on ABTS radical cation and murine monocyte/macrophage cell lines (J774.A1).
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35
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Synthesis, antioxidant, and cytotoxic activities of bis(oxazolyl/thiazolyl/imidazolyl)amidomethanesulfonyl Acetamides. Med Chem Res 2014. [DOI: 10.1007/s00044-014-1109-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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36
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Vastag G, Apostolov S, Matijević B, Petrović S. Establishing dependences between different lipophilic parameters of new potentially biologically active N-substituted-2-phenylacetamide derivatives by applying multivariate methods. J Chromatogr Sci 2014; 53:312-9. [PMID: 24981978 DOI: 10.1093/chromsci/bmu061] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Lipophilicity, a very important parameter in the potential biological activities of molecules, was investigated for newly synthesized N-substituted-2-phenylacetamide derivatives. The determination was carried out in two ways: first experimentally, by applying thin-layer chromatography (TLC) on reversed-phase TLC (RPTLC) RP18F254s in the presence of one protic (methanol) and one aprotic solvent (acetonitrile) and then mathematically, by using different software packages. The intercept of the linear dependence between volume fractions of the organic solvent and the retention parameters obtained by TLC is known as the retention chromatographic constant, R(M)(0), while the slope represents the m value. In order to establish the dependences between the partition coefficient, log P as the standard measure of lipophilicity and the alternative lipophilic parameters obtained experimentally by TLC, R(M)(0) and m values, linear regression analysis and multivariate methods, cluster analysis (CA) and principal component analysis (PCA), were used. All applied methods gave approximately similar results. Although there is a linear dependence between the two chromatographic parameters, the retention constant, R(M)(0), and the m values, only R(M)(0) shows suitable similarity with the standard measure of lipophilicity of the investigated N-substituted-2-phenylacetamide derivatives at the given conditions. The existence of this resemblance proves that the chromatographic retention constant, R(M)(0), obtained by RPTLC could be successfully used for the description of lipophilicity of investigated compounds. On the other hand, the results confirmed that the applied linear regression analysis and the multivariate analysis (CA and PCA) have the ability to compare lipophilic parameters of the investigated phenylacetamide derivatives obtained in different ways.
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Affiliation(s)
- Gyöngyi Vastag
- Department of Chemistry, Biochemistry and Environmental Protection, Faculty of Sciences, University of Novi Sad, Trg D. Obradovića 3, Novi Sad 21000, Serbia
| | - Suzana Apostolov
- Department of Chemistry, Biochemistry and Environmental Protection, Faculty of Sciences, University of Novi Sad, Trg D. Obradovića 3, Novi Sad 21000, Serbia
| | - Borko Matijević
- Department of Chemistry, Biochemistry and Environmental Protection, Faculty of Sciences, University of Novi Sad, Trg D. Obradovića 3, Novi Sad 21000, Serbia
| | - Slobodan Petrović
- Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, Belgrade 11000, Serbia
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37
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Yu Z, Ma B, Chen M, Wu HH, Liu L, Zhang J. Highly Site-Selective Direct C–H Bond Functionalization of Phenols with α-Aryl-α-diazoacetates and Diazooxindoles via Gold Catalysis. J Am Chem Soc 2014; 136:6904-7. [DOI: 10.1021/ja503163k] [Citation(s) in RCA: 363] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Zhunzhun Yu
- Shanghai Key Laboratory of
Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, China
| | - Ben Ma
- Shanghai Key Laboratory of
Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, China
| | - Mingjin Chen
- Shanghai Key Laboratory of
Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, China
| | - Hai-Hong Wu
- Shanghai Key Laboratory of
Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, China
| | - Lu Liu
- Shanghai Key Laboratory of
Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, China
| | - Junliang Zhang
- Shanghai Key Laboratory of
Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, China
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Adesso S, Popolo A, Bianco G, Sorrentino R, Pinto A, Autore G, Marzocco S. The uremic toxin indoxyl sulphate enhances macrophage response to LPS. PLoS One 2013; 8:e76778. [PMID: 24098806 PMCID: PMC3786936 DOI: 10.1371/journal.pone.0076778] [Citation(s) in RCA: 86] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2013] [Accepted: 09/03/2013] [Indexed: 12/21/2022] Open
Abstract
Indoxyl sulphate (IS) is a protein-bound uremic toxin that results from the metabolism of dietary tryptophan normally excreted by kidney through the proximal tubules. Thus the toxin accumulates in the blood of patients with impaired renal function such as in chronic kidney disease (CKD). High IS serum levels in patients with CKD suggest its involvement in CKD progression and in the onset of complications. Its presence in plasma is also a powerful predictor of overall and cardiovascular morbidity/mortality. IS is a well known nephrovascular toxin but very little is known regarding its effects on the immune system and in particular during inflammation. In this study we examined the effect of IS on macrophage activation in response to lipopolysaccharide from E. coli (LPS), a gram negative bacterial endotoxin associated with inflammation and septic shock. To simulate the uremic condition, J774A.1 macrophages were incubated with IS at concentrations observed in uremic patients (1000-62.5 µM) both alone and during LPS challenge. IS alone induced release of reactive oxygen species (ROS), through a mechanism involving pro- and anti-oxidant systems, and alteration in intracellular calcium homeostasis. When added to J774A.1 macrophages in presence of LPS, IS significantly increased the nitric oxide (NO) release, inducible nitric oxide synthase (iNOS) and cycloxygenase-2 (COX-2) expression. IS pre-treatment was also associated with an increase in tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6) production by macrophages stimulated with LPS. Mechanistic studies revealed that IS increased LPS-induced NF-kB nuclear translocation, ROS release and altered calcium concentrations, mainly because of mitochondrial calcium overloading. Moreover also in primary mouse peritoneal macrophages IS enhances the inflammatory response to LPS increasing ROS, NO, iNOS, COX-2, TNF-α, IL-6 and NF-kB levels. This study provides evidences that IS stimulates macrophage function and enhances inflammatory reasponse associated with LPS, thus contributing to altered immune response dysfunctions observed in CKD.
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Affiliation(s)
- Simona Adesso
- Department of Pharmacy, School of Pharmacy, University of Salerno, Fisciano (SA), Italy
| | - Ada Popolo
- Department of Pharmacy, School of Pharmacy, University of Salerno, Fisciano (SA), Italy
| | - Giuseppe Bianco
- Department of Pharmacy, School of Pharmacy, University of Salerno, Fisciano (SA), Italy
| | - Rosalinda Sorrentino
- Department of Pharmacy, School of Pharmacy, University of Salerno, Fisciano (SA), Italy
| | - Aldo Pinto
- Department of Pharmacy, School of Pharmacy, University of Salerno, Fisciano (SA), Italy
| | - Giuseppina Autore
- Department of Pharmacy, School of Pharmacy, University of Salerno, Fisciano (SA), Italy
| | - Stefania Marzocco
- Department of Pharmacy, School of Pharmacy, University of Salerno, Fisciano (SA), Italy
- * E-mail:
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JAYADEVAPPA HP, NAGENDRAPPA G, UMESH S, CHANDRASHEKAR S. Synthesis of novel 2-(4-(2-morpholinoethoxy)phenyl)-N-phenylacetamide analogues and their antimicrobial study. J CHEM SCI 2012. [DOI: 10.1007/s12039-012-0308-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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40
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Končić MZ, Barbarić M, Perković I, Zorc B. Antiradical, chelating and antioxidant activities of hydroxamic acids and hydroxyureas. Molecules 2011; 16:6232-42. [PMID: 21788931 PMCID: PMC6264354 DOI: 10.3390/molecules16086232] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2011] [Revised: 07/13/2011] [Accepted: 07/20/2011] [Indexed: 11/18/2022] Open
Abstract
Reactive oxygen species, along with reactive nitrogen species, may play an important role in the pathogenesis and progress of many diseases, including cancer, diabetes and sickle cell disease. It has been postulated that hydroxyurea, one of the main treatments in sickle cell disease, achieves its activity partly also through its antioxidant properties. A series of hydroxyurea derivatives of L- and D-amino acid amides and cycloalkyl-N-aryl-hydroxamic acids was synthesized and investigated for their radical scavenging activity, chelating properties and antioxidant activity. All the compounds showed exceptional antiradical activities. For example, free radical scavenging activities of investigated hydroxyureas were higher than the activity of standard antioxidant, butylated hydroxyanisole (BHA). Moreover, most of the investigated hydroxamic acids were stronger Fe²⁺ ion chelators than quercetin. In addition, the investigated compounds, especially hydroxamic acids, were proven to be excellent antioxidants. They were as effective as BHA in inhibiting β-carotene-linoleic acid coupled oxidation. It is reasonable to assume that the antioxidant activity of the investigated compounds could contribute to their previously proven biological properties as cytostatic and antiviral agents.
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Affiliation(s)
- Marijana Zovko Končić
- Faculty of Pharmacy and Biochemistry, University of Zagreb, A. Kovačića 1, Zagreb HR-10000, Croatia.
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