51
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Chen Y, Garcia de Lomana M, Friedrich NO, Kirchmair J. Characterization of the Chemical Space of Known and Readily Obtainable Natural Products. J Chem Inf Model 2018; 58:1518-1532. [DOI: 10.1021/acs.jcim.8b00302] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ya Chen
- Center for Bioinformatics, Department of Computer Science, Faculty of Mathematics, Informatics and Natural Sciences, Universität Hamburg, 20146 Hamburg, Germany
| | - Marina Garcia de Lomana
- Center for Bioinformatics, Department of Computer Science, Faculty of Mathematics, Informatics and Natural Sciences, Universität Hamburg, 20146 Hamburg, Germany
| | - Nils-Ole Friedrich
- Center for Bioinformatics, Department of Computer Science, Faculty of Mathematics, Informatics and Natural Sciences, Universität Hamburg, 20146 Hamburg, Germany
| | - Johannes Kirchmair
- Center for Bioinformatics, Department of Computer Science, Faculty of Mathematics, Informatics and Natural Sciences, Universität Hamburg, 20146 Hamburg, Germany
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52
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Marine Invertebrates: Underexplored Sources of Bacteria Producing Biologically Active Molecules. DIVERSITY-BASEL 2018. [DOI: 10.3390/d10030052] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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53
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Shang J, Hu B, Wang J, Zhu F, Kang Y, Li D, Sun H, Kong DX, Hou T. Cheminformatic Insight into the Differences between Terrestrial and Marine Originated Natural Products. J Chem Inf Model 2018; 58:1182-1193. [PMID: 29792805 DOI: 10.1021/acs.jcim.8b00125] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
This is a new golden age for drug discovery based on natural products derived from both marine and terrestrial sources. Herein, a straightforward but important question is "what are the major structural differences between marine natural products (MNPs) and terrestrial natural products (TNPs)?" To answer this question, we analyzed the important physicochemical properties, structural features, and drug-likeness of the two types of natural products and discussed their differences from the perspective of evolution. In general, MNPs have lower solubility and are often larger than TNPs. On average, particularly from the perspective of unique fragments and scaffolds, MNPs usually possess more long chains and large rings, especially 8- to 10-membered rings. MNPs also have more nitrogen atoms and halogens, notably bromines, and fewer oxygen atoms, suggesting that MNPs may be synthesized by more diverse biosynthetic pathways than TNPs. Analysis of the frequently occurring Murcko frameworks in MNPs and TNPS also reveals a striking difference between MNPs and TNPs. The scaffolds of the former tend to be longer and often contain ester bonds connected to 10-membered rings, while the scaffolds of the latter tend to be shorter and often bear more stable ring systems and bond types. Besides, the prediction from the naïve Bayesian drug-likeness classification model suggests that most compounds in MNPs and TNPs are drug-like, although MNPs are slightly more drug-like than TNPs. We believe that MNPs and TNPs with novel drug-like scaffolds have great potential to be drug leads or drug candidates in drug discovery campaigns.
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Affiliation(s)
- Jun Shang
- College of Pharmaceutical Sciences , Zhejiang University , Hangzhou , Zhejiang 310058 , China.,State Key Laboratory of Agricultural Microbiology and Agricultural Bioinformatics, Key Laboratory of Hubei Province, College of Informatics , Huazhong Agricultural University , Wuhan 430070 , China.,State Key Lab of CAD&CG , Zhejiang University , Hangzhou , Zhejiang 310058 , China
| | - Ben Hu
- State Key Laboratory of Agricultural Microbiology and Agricultural Bioinformatics, Key Laboratory of Hubei Province, College of Informatics , Huazhong Agricultural University , Wuhan 430070 , China
| | - Junmei Wang
- Department of Pharmaceutical Sciences , University of Pittsburgh , Pittsburgh , Pennsylvania 15261 , United States
| | - Feng Zhu
- College of Pharmaceutical Sciences , Zhejiang University , Hangzhou , Zhejiang 310058 , China
| | - Yu Kang
- College of Pharmaceutical Sciences , Zhejiang University , Hangzhou , Zhejiang 310058 , China
| | - Dan Li
- College of Pharmaceutical Sciences , Zhejiang University , Hangzhou , Zhejiang 310058 , China
| | - Huiyong Sun
- College of Pharmaceutical Sciences , Zhejiang University , Hangzhou , Zhejiang 310058 , China
| | - De-Xin Kong
- State Key Laboratory of Agricultural Microbiology and Agricultural Bioinformatics, Key Laboratory of Hubei Province, College of Informatics , Huazhong Agricultural University , Wuhan 430070 , China
| | - Tingjun Hou
- College of Pharmaceutical Sciences , Zhejiang University , Hangzhou , Zhejiang 310058 , China.,State Key Lab of CAD&CG , Zhejiang University , Hangzhou , Zhejiang 310058 , China
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54
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Thomford NE, Senthebane DA, Rowe A, Munro D, Seele P, Maroyi A, Dzobo K. Natural Products for Drug Discovery in the 21st Century: Innovations for Novel Drug Discovery. Int J Mol Sci 2018; 19:E1578. [PMID: 29799486 PMCID: PMC6032166 DOI: 10.3390/ijms19061578] [Citation(s) in RCA: 549] [Impact Index Per Article: 91.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 05/16/2018] [Accepted: 05/18/2018] [Indexed: 12/12/2022] Open
Abstract
The therapeutic properties of plants have been recognised since time immemorial. Many pathological conditions have been treated using plant-derived medicines. These medicines are used as concoctions or concentrated plant extracts without isolation of active compounds. Modern medicine however, requires the isolation and purification of one or two active compounds. There are however a lot of global health challenges with diseases such as cancer, degenerative diseases, HIV/AIDS and diabetes, of which modern medicine is struggling to provide cures. Many times the isolation of "active compound" has made the compound ineffective. Drug discovery is a multidimensional problem requiring several parameters of both natural and synthetic compounds such as safety, pharmacokinetics and efficacy to be evaluated during drug candidate selection. The advent of latest technologies that enhance drug design hypotheses such as Artificial Intelligence, the use of 'organ-on chip' and microfluidics technologies, means that automation has become part of drug discovery. This has resulted in increased speed in drug discovery and evaluation of the safety, pharmacokinetics and efficacy of candidate compounds whilst allowing novel ways of drug design and synthesis based on natural compounds. Recent advances in analytical and computational techniques have opened new avenues to process complex natural products and to use their structures to derive new and innovative drugs. Indeed, we are in the era of computational molecular design, as applied to natural products. Predictive computational softwares have contributed to the discovery of molecular targets of natural products and their derivatives. In future the use of quantum computing, computational softwares and databases in modelling molecular interactions and predicting features and parameters needed for drug development, such as pharmacokinetic and pharmacodynamics, will result in few false positive leads in drug development. This review discusses plant-based natural product drug discovery and how innovative technologies play a role in next-generation drug discovery.
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Affiliation(s)
- Nicholas Ekow Thomford
- Pharmacogenomics and Drug Metabolism Group, Division of Human Genetics, Department of Pathology and Institute of Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Anzio Road, Observatory, Cape Town 7925, South Africa.
- School of Medical Sciences, University of Cape Coast, PMB, Cape Coast, Ghana.
| | - Dimakatso Alice Senthebane
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Wernher and Beit Building (South), University of Cape Town Medical Campus, Anzio Road, Observatory, Cape Town 7925, South Africa.
- Division of Medical Biochemistry and Institute of Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Anzio Road, Observatory, Cape Town 7925, South Africa.
| | - Arielle Rowe
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Wernher and Beit Building (South), University of Cape Town Medical Campus, Anzio Road, Observatory, Cape Town 7925, South Africa.
| | - Daniella Munro
- Pharmacogenomics and Drug Metabolism Group, Division of Human Genetics, Department of Pathology and Institute of Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Anzio Road, Observatory, Cape Town 7925, South Africa.
| | - Palesa Seele
- Division of Chemical and Systems Biology, Department of Integrative Biomedical Sciences, Faculty of Health Sciences, University of Cape Town, Anzio Road, Observatory, Cape Town 7925, South Africa.
| | - Alfred Maroyi
- Department of Botany, University of Fort Hare, Private Bag, Alice X1314, South Africa.
| | - Kevin Dzobo
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Wernher and Beit Building (South), University of Cape Town Medical Campus, Anzio Road, Observatory, Cape Town 7925, South Africa.
- Division of Medical Biochemistry and Institute of Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Anzio Road, Observatory, Cape Town 7925, South Africa.
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55
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Natural scaffolds in anticancer therapy and precision medicine. Biotechnol Adv 2018; 36:1563-1585. [PMID: 29729870 DOI: 10.1016/j.biotechadv.2018.04.009] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2017] [Revised: 04/08/2018] [Accepted: 04/26/2018] [Indexed: 12/21/2022]
Abstract
The diversity of natural compounds is essential for their mechanism of action. The source, structures and structure activity relationship of natural compounds contributed to the development of new classes of chemotherapy agents for over 40 years. The availability of combinatorial chemistry and high-throughput screening has fueled the challenge to identify novel compounds that mimic nature's chemistry and to predict their macromolecular targets. Combining conventional and targeted therapies helped to successfully overcome drug resistance and prolong disease-free survival. Here, we aim to provide an overview of preclinical investigated natural compounds alone and in combination to further improve personalization of cancer treatment.
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56
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Egbewande FA, Sadowski MC, Levrier C, Tousignant KD, White JM, Coster MJ, Nelson CC, Davis RA. Identification of Gibberellic Acid Derivatives That Deregulate Cholesterol Metabolism in Prostate Cancer Cells. JOURNAL OF NATURAL PRODUCTS 2018; 81:838-845. [PMID: 29474071 DOI: 10.1021/acs.jnatprod.7b00929] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The naturally occurring pentacyclic diterpenoid gibberellic acid (1) was used in the generation of a drug-like amide library using parallel-solution-phase synthesis. Prior to the synthesis, a virtual library was generated and prioritized based on drug-like physicochemical parameters such as log P, hydrogen bond donor/acceptor counts, and molecular weight. The structures of the synthesized analogues (2-13) were elucidated following analysis of the NMR, MS, UV, and IR data. Compound 12 afforded crystalline material, and its structure was confirmed by X-ray crystallographic analysis. All compounds were evaluated in vitro for cytotoxicity and deregulation of lipid metabolism in LNCaP prostate cancer cells. While no cytotoxic activity was identified at the concentrations tested, synthesized analogues 3, 5, 7, 10, and 11 substantially reduced cellular uptake of free cholesterol in prostate cancer cells, suggesting a novel role of gibberellic acid derivatives in deregulating cholesterol metabolism.
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Affiliation(s)
- Folake A Egbewande
- Griffith Institute for Drug Discovery , Griffith University , Brisbane , QLD 4111 , Australia
| | - Martin C Sadowski
- Australian Prostate Cancer Research Centre-Queensland, Institute of Health and Biomedical Innovation , Queensland University of Technology, Princess Alexandra Hospital, Translational Research Institute , Brisbane , QLD 4102 , Australia
| | - Claire Levrier
- Australian Prostate Cancer Research Centre-Queensland, Institute of Health and Biomedical Innovation , Queensland University of Technology, Princess Alexandra Hospital, Translational Research Institute , Brisbane , QLD 4102 , Australia
| | - Kaylyn D Tousignant
- Australian Prostate Cancer Research Centre-Queensland, Institute of Health and Biomedical Innovation , Queensland University of Technology, Princess Alexandra Hospital, Translational Research Institute , Brisbane , QLD 4102 , Australia
| | - Jonathan M White
- School of Chemistry and Bio21 Institute , The University of Melbourne , Melbourne , Victoria 3010 , Australia
| | - Mark J Coster
- Griffith Institute for Drug Discovery , Griffith University , Brisbane , QLD 4111 , Australia
| | - Colleen C Nelson
- Australian Prostate Cancer Research Centre-Queensland, Institute of Health and Biomedical Innovation , Queensland University of Technology, Princess Alexandra Hospital, Translational Research Institute , Brisbane , QLD 4102 , Australia
| | - Rohan A Davis
- Griffith Institute for Drug Discovery , Griffith University , Brisbane , QLD 4111 , Australia
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57
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Xu M, Zheng M, Liu G, Zhang M, Kang J. Screening of break point cluster region Abelson tyrosine kinase inhibitors by capillary electrophoresis. J Chromatogr A 2018; 1537:128-134. [DOI: 10.1016/j.chroma.2018.01.019] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Revised: 01/05/2018] [Accepted: 01/08/2018] [Indexed: 12/31/2022]
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58
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Gutierrez P, Altarejos J, Linares-Palomino PJ, Chahboun R, Alvarez-Manzaneda E. Synthesis of cassane-type diterpenes from abietane compounds: the first synthesis of taepeenin F. Org Chem Front 2018. [DOI: 10.1039/c8qo00603b] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The first synthesis of taepeenin F from abietic acid is reported, utilizing as the key step the ipso-substitution of the isopropyl group of a dehydroabietane derivative by a formyl group, after treatment with Cl2CHOMe and AlCl3.
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Affiliation(s)
- Pilar Gutierrez
- Departamento de Química Orgánica
- Facultad de Ciencias
- Instituto de Biotecnología
- Universidad de Granada
- 18071 Granada
| | - Joaquín Altarejos
- Departamento de Química Inorgánica y Orgánica
- Facultad de Ciencias Experimentales
- Universidad de Jaén
- 23071 Jaén
- Spain
| | - Pablo J. Linares-Palomino
- Departamento de Química Inorgánica y Orgánica
- Facultad de Ciencias Experimentales
- Universidad de Jaén
- 23071 Jaén
- Spain
| | - Rachid Chahboun
- Departamento de Química Orgánica
- Facultad de Ciencias
- Instituto de Biotecnología
- Universidad de Granada
- 18071 Granada
| | - Enrique Alvarez-Manzaneda
- Departamento de Química Orgánica
- Facultad de Ciencias
- Instituto de Biotecnología
- Universidad de Granada
- 18071 Granada
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59
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Halder J, Das D, Nanda S. A distinctive transformation based diversity oriented synthesis of small ring carbocycles and heterocycles from biocatalytically derived enantiopure α-substituted-β-hydroxyesters. Org Biomol Chem 2018; 16:2549-2575. [DOI: 10.1039/c8ob00233a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A series of structurally novel small ring carbocyclic and heterocyclic molecules were accessed in an enantiopure fashion.
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Affiliation(s)
- Joydev Halder
- Department of Chemistry
- Indian Institute of Technology Kharagpur
- Kharagpur
- India
| | - Debabrata Das
- Department of Chemistry
- Indian Institute of Technology Kharagpur
- Kharagpur
- India
| | - Samik Nanda
- Department of Chemistry
- Indian Institute of Technology Kharagpur
- Kharagpur
- India
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60
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Li G, Lou HX. Strategies to diversify natural products for drug discovery. Med Res Rev 2017; 38:1255-1294. [PMID: 29064108 DOI: 10.1002/med.21474] [Citation(s) in RCA: 162] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 09/18/2017] [Accepted: 09/28/2017] [Indexed: 12/11/2022]
Abstract
Natural product libraries contain specialized metabolites derived from plants, animals, and microorganisms that play a pivotal role in drug discovery due to their immense structural diversity and wide variety of biological activities. The strategies to greatly extend natural product scaffolds through available biological and chemical approaches offer unique opportunities to access a new series of natural product analogues, enabling the construction of diverse natural product-like libraries. The affordability of these structurally diverse molecules has been a crucial step in accelerating drug discovery. This review provides an overview of various approaches to exploit the diversity of compounds for natural product-based drug development, drawing upon a series of examples to illustrate each strategy.
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Affiliation(s)
- Gang Li
- Department of Natural Medicine and Pharmacognosy, School of Pharmacy, Qingdao University, Qingdao, China
| | - Hong-Xiang Lou
- Department of Natural Medicine and Pharmacognosy, School of Pharmacy, Qingdao University, Qingdao, China.,Department of Natural Products Chemistry, Key Lab of Chemical Biology of Ministry of Education, School of Pharmaceutical Sciences, Shandong University, Jinan, China
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61
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Egbewande FA, Nilsson N, White JM, Coster MJ, Davis RA. The design, synthesis, and anti-inflammatory evaluation of a drug-like library based on the natural product valerenic acid. Bioorg Med Chem Lett 2017; 27:3185-3189. [DOI: 10.1016/j.bmcl.2017.05.021] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Revised: 05/04/2017] [Accepted: 05/06/2017] [Indexed: 11/26/2022]
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62
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Ciardiello JJ, Stewart HL, Sore HF, Galloway WRJD, Spring DR. A novel complexity-to-diversity strategy for the diversity-oriented synthesis of structurally diverse and complex macrocycles from quinine. Bioorg Med Chem 2017; 25:2825-2843. [PMID: 28283333 DOI: 10.1016/j.bmc.2017.02.060] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Accepted: 02/26/2017] [Indexed: 01/15/2023]
Abstract
Recent years have witnessed a global decline in the productivity and advancement of the pharmaceutical industry. A major contributing factor to this is the downturn in drug discovery successes. This can be attributed to the lack of structural (particularly scaffold) diversity and structural complexity exhibited by current small molecule screening collections. Macrocycles have been shown to exhibit a diverse range of biological properties, with over 100 natural product-derived examples currently marketed as FDA-approved drugs. Despite this, synthetic macrocycles are widely considered to be a poorly explored structural class within drug discovery, which can be attributed to their synthetic intractability. Herein we describe a novel complexity-to-diversity strategy for the diversity-oriented synthesis of novel, structurally complex and diverse macrocyclic scaffolds from natural product starting materials. This approach exploits the inherent structural (including functional) and stereochemical complexity of natural products in order to rapidly generate diversity and complexity. Readily-accessible natural product-derived intermediates serve as structural templates which can be divergently functionalized with different building blocks to generate a diverse range of acyclic precursors. Subsequent macrocyclisation then furnishes compounds that are each based around a distinct molecular scaffold. Thus, high levels of library scaffold diversity can be rapidly achieved. In this proof-of-concept study, the natural product quinine was used as the foundation for library synthesis, and six novel structurally diverse, highly complex and functionalized macrocycles were generated.
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Affiliation(s)
- J J Ciardiello
- Department of Chemistry, The University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - H L Stewart
- Department of Chemistry, The University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - H F Sore
- Department of Chemistry, The University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - W R J D Galloway
- Department of Chemistry, The University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - D R Spring
- Department of Chemistry, The University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom.
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63
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Guardia JJ, Tapia R, Mahdjour S, Rodriguez-Serrano F, Mut-Salud N, Chahboun R, Alvarez-Manzaneda E. Antiproliferative Activity of Natural Taiwaniaquinoids and Related Compounds. JOURNAL OF NATURAL PRODUCTS 2017; 80:308-318. [PMID: 28121430 DOI: 10.1021/acs.jnatprod.6b00700] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The in vitro antiproliferative activities of some taiwaniaquinoids and related compounds with functionalized A, B, or C rings against human breast (MCF-7), colon (T-84), and lung (A-549) tumor cell lines were assayed. The most potent compounds, 16, 27, and 36, were more effective than the naturally occurring taiwaniaquinones A (4) and F (5) in all three cell lines. The structure-activity relationship study of these new taiwaniaquinoids highlighted the correlation between the bromo substituent and the antiproliferative activity, especially in MCF-7 cells. These findings indicate that some of the taiwaniaquinoids might be useful as cytostatic agents against breast, colon, and lung cancer cell lines.
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Affiliation(s)
| | | | - Soumicha Mahdjour
- Laboratory Productions, Plant and Microbial Valuations (LP2VM), Department of Biotechnology, University of Sciences and Technology of Oran Mohamed Boudiaf , BP 1525, El M'Naouer, Oran, Algeria
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64
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Müller G, Berkenbosch T, Benningshof JCJ, Stumpfe D, Bajorath J. Charting Biologically Relevant Spirocyclic Compound Space. Chemistry 2016; 23:703-710. [DOI: 10.1002/chem.201604714] [Citation(s) in RCA: 79] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Indexed: 11/06/2022]
Affiliation(s)
- Gerhard Müller
- Mercachem; Kerkenbos 1013, 6546 BB Nijmegen, P.O. Box 6747 6503 GE Nijmegen The Netherlands
| | - Tim Berkenbosch
- Mercachem; Kerkenbos 1013, 6546 BB Nijmegen, P.O. Box 6747 6503 GE Nijmegen The Netherlands
| | - Jorg C. J. Benningshof
- Mercachem; Kerkenbos 1013, 6546 BB Nijmegen, P.O. Box 6747 6503 GE Nijmegen The Netherlands
| | - Dagmar Stumpfe
- Department of Life Science Informatics, B-IT, LIMES Program Unit Chemical Biology and Medicinal Chemistry; Rheinische Friedrich-Wilhelms-Universität; Dahlmannstr. 2 53113 Bonn Germany
| | - Jürgen Bajorath
- Department of Life Science Informatics, B-IT, LIMES Program Unit Chemical Biology and Medicinal Chemistry; Rheinische Friedrich-Wilhelms-Universität; Dahlmannstr. 2 53113 Bonn Germany
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65
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Cell wall distracting anti-Methicillin-resistant Staphylococcus aureus compound PVI331 from a marine sponge associated Streptomyces. J Appl Biomed 2016. [DOI: 10.1016/j.jab.2016.04.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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66
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Müller J, Martins A, Csábi J, Fenyvesi F, Könczöl Á, Hunyadi A, Balogh GT. BBB penetration-targeting physicochemical lead selection: Ecdysteroids as chemo-sensitizers against CNS tumors. Eur J Pharm Sci 2016; 96:571-577. [PMID: 27810561 DOI: 10.1016/j.ejps.2016.10.034] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Revised: 09/27/2016] [Accepted: 10/30/2016] [Indexed: 10/20/2022]
Abstract
The anticancer potential of ecdysteroids, especially their chemo-sensitizing activity has recently gained a substantial scientific interest. A comprehensive physicochemical profiling was performed for a set of natural or semi-synthetic ecdysteroids (N=37) to identify a lead compound against central nervous system (CNS) tumors. Calculated properties, such as lipophilicity (clogP), topological polar surface area (TPSA), brain-to-plasma ratio (clogBB) along with the measured blood-brain barrier specific in vitro permeability (logPe) were evaluated in parallel. Compounds with the highest CNS-availability predicted (clogBB>0.0 and logPe>-6.0) showed moderate to high lipophilicity (clogP=3.89-5.25), relatively low TPSA (94.45Å2), and shared a common apolar 2,3- and 20,22-diacetonide motif (25, 30-33). These ecdysteroids were selected for testing their capacity to sensitize SH-SY5Y neuroblastoma cells to vincristine. All of the five tested compounds exerted a remarkably strong, dose dependent chemo-sensitizing activity: at 2.5-10.0μM ecdysteroids increased the cytotoxic activity of vincristine one to three orders of magnitude in (e.g., from IC50=39.5±2.9nM to as low as 0.056±0.03nM). Moreover, analysis of the combination index (CI) revealed outstanding synergism between ecdysteroids and vincristine (CI50=0.072-0.444). Thus, based on drug-likeness, physchem character and in vitro CNS activity, compound 25 was proposed as a lead for further in vivo studies.
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Affiliation(s)
- Judit Müller
- Compound Profiling Laboratory, Gedeon Richter Plc., Gyömrői út 19-21, Budapest H-1103, Hungary
| | - Ana Martins
- Institute of Medical Microbiology and Immunobiology, Faculty of Medicine, University of Szeged, Dóm tér 10, H-6720 Szeged, Hungary
| | - József Csábi
- Institute of Pharmacognosy, Faculty of Pharmacy, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary
| | - Ferenc Fenyvesi
- Department of Pharmaceutical Technology, University of Debrecen, Nagyerdei St. 98, Debrecen H-4010, Hungary
| | - Árpád Könczöl
- Compound Profiling Laboratory, Gedeon Richter Plc., Gyömrői út 19-21, Budapest H-1103, Hungary
| | - Attila Hunyadi
- Institute of Pharmacognosy, Faculty of Pharmacy, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary; Interdisciplinary Centre for Natural Products, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary.
| | - György T Balogh
- Compound Profiling Laboratory, Gedeon Richter Plc., Gyömrői út 19-21, Budapest H-1103, Hungary.
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67
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Bansode AH, Chimala P, Patil NT. Catalytic Branching Cascades in Diversity Oriented Synthesis. ChemCatChem 2016. [DOI: 10.1002/cctc.201600766] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Avinash H. Bansode
- Division of Organic Chemistry; CSIR-National Chemical Laboratory; Dr. Homi Bhabha Road Pune - 411 008 India
| | - Prathyusha Chimala
- Division of Organic Chemistry; CSIR-National Chemical Laboratory; Dr. Homi Bhabha Road Pune - 411 008 India
| | - Nitin T. Patil
- Division of Organic Chemistry; CSIR-National Chemical Laboratory; Dr. Homi Bhabha Road Pune - 411 008 India
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68
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Sawant RT, Stevens MY, Sköld C, Odell LR. Microwave-Assisted Branching Cascades: A Route to Diverse 3,4-Dihydroquinazolinone-Embedded Polyheterocyclic Scaffolds. Org Lett 2016; 18:5392-5395. [DOI: 10.1021/acs.orglett.6b02774] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Rajiv T. Sawant
- Organic
Pharmaceutical Chemistry,
Department of Medicinal Chemistry, Uppsala Biomedical Center, Uppsala University, P.O.
Box 574, SE-751 23 Uppsala, Sweden
| | - Marc Y. Stevens
- Organic
Pharmaceutical Chemistry,
Department of Medicinal Chemistry, Uppsala Biomedical Center, Uppsala University, P.O.
Box 574, SE-751 23 Uppsala, Sweden
| | - Christian Sköld
- Organic
Pharmaceutical Chemistry,
Department of Medicinal Chemistry, Uppsala Biomedical Center, Uppsala University, P.O.
Box 574, SE-751 23 Uppsala, Sweden
| | - Luke R. Odell
- Organic
Pharmaceutical Chemistry,
Department of Medicinal Chemistry, Uppsala Biomedical Center, Uppsala University, P.O.
Box 574, SE-751 23 Uppsala, Sweden
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69
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Affiliation(s)
- Bart L. DeCorte
- Janssen Pharmaceutical Companies of Johnson & Johnson, 1400 McKean Road, Spring House, Pennsylvania 19477, United States
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70
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Sankar MG, Garcia-Castro M, Golz C, Strohmann C, Kumar K. Engaging Allene-Derived Zwitterions in an Unprecedented Mode of Asymmetric [3+2]-Annulation Reaction. Angew Chem Int Ed Engl 2016; 55:9709-13. [DOI: 10.1002/anie.201603936] [Citation(s) in RCA: 98] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Indexed: 01/09/2023]
Affiliation(s)
- Muthukumar G. Sankar
- Max-Planck-Institut für Molekulare Physiologie, Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Miguel Garcia-Castro
- Max-Planck-Institut für Molekulare Physiologie, Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Christopher Golz
- Fakultät Chemie und Chemische Biologie, Technische Universität Dortmund; Otto-Hahn-Strasse 6 44221 Dortmund Germany
| | - Carsten Strohmann
- Fakultät Chemie und Chemische Biologie, Technische Universität Dortmund; Otto-Hahn-Strasse 6 44221 Dortmund Germany
| | - Kamal Kumar
- Max-Planck-Institut für Molekulare Physiologie, Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
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71
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Sankar MG, Garcia-Castro M, Golz C, Strohmann C, Kumar K. Engaging Allene-Derived Zwitterions in an Unprecedented Mode of Asymmetric [3+2]-Annulation Reaction. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201603936] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Muthukumar G. Sankar
- Max-Planck-Institut für Molekulare Physiologie, Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Miguel Garcia-Castro
- Max-Planck-Institut für Molekulare Physiologie, Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Christopher Golz
- Fakultät Chemie und Chemische Biologie, Technische Universität Dortmund; Otto-Hahn-Strasse 6 44221 Dortmund Germany
| | - Carsten Strohmann
- Fakultät Chemie und Chemische Biologie, Technische Universität Dortmund; Otto-Hahn-Strasse 6 44221 Dortmund Germany
| | - Kamal Kumar
- Max-Planck-Institut für Molekulare Physiologie, Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
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72
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Grand-Guillaume Perrenoud A, Guillarme D, Boccard J, Veuthey JL, Barron D, Moco S. Ultra-high performance supercritical fluid chromatography coupled with quadrupole-time-of-flight mass spectrometry as a performing tool for bioactive analysis. J Chromatogr A 2016; 1450:101-11. [DOI: 10.1016/j.chroma.2016.04.053] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Revised: 04/15/2016] [Accepted: 04/18/2016] [Indexed: 11/26/2022]
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73
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74
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Natchimuthu V, Bandaru S, Nayarisseri A, Ravi S. Design, synthesis and computational evaluation of a novel intermediate salt of N-cyclohexyl-N-(cyclohexylcarbamoyl)-4-(trifluoromethyl) benzamide as potential potassium channel blocker in epileptic paroxysmal seizures. Comput Biol Chem 2016; 64:64-73. [PMID: 27266485 DOI: 10.1016/j.compbiolchem.2016.05.003] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2016] [Revised: 04/11/2016] [Accepted: 05/19/2016] [Indexed: 01/26/2023]
Abstract
The narrow therapeutic range and limited pharmacokinetics of available Antiepileptic drugs (AEDs) have raised serious concerns in the proper management of epilepsy. To overcome this, the present study attempts to identify a candidate molecule targeting voltage gated potassium channels anticipated to have superior pharmacological than existing potassium channel blockers. The compound was synthesized by reacting (S)-(+)-2,3-dihydro-1H-pyrrolo[2,1-c][1,4] benzodiazepine5,11(10H,11aH)-dione with 4-(Trifluoromethyl) benzoic acid (C8H5F3O2) in DMF and N,N'-dicyclohexylcarbodiimide (DCC) which lead to the formation of an intermediate salt of N-cyclohexyl-N-(cyclohexylcarbamoyl)-4-(trifluoromethyl)benzamide with a perfect crystalline structure. The structure of the compound was characterized by FTIR, 1H NMR and 13C NMR analysis. The crystal structure is confirmed by single crystal X-ray diffraction analysis. The Structure-Activity Relationship (SAR) studies revealed that substituent of fluoro or trifluoromethyl moiety into the compound had a great effect on the biological activity in comparison to clinically used drugs. Employing computational approaches the compound was further tested for its affinity against potassium protein structure by molecular docking in addition, bioactivity and ADMET properties were predicted through computer aided programs.
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Affiliation(s)
- V Natchimuthu
- PG & Research Department of Physics, National College (Affiliated to Bharathidasan University), Tiruchirapalli, 620 001 Tamil Nadu, India
| | - Srinivas Bandaru
- Bioinformatics Research Laboratory, Eminent Biosciences, Vijaynagar, Indore 452010 Madhya Pradesh, India
| | - Anuraj Nayarisseri
- Bioinformatics Research Laboratory, Eminent Biosciences, Vijaynagar, Indore 452010 Madhya Pradesh, India
| | - S Ravi
- PG & Research Department of Physics, National College (Affiliated to Bharathidasan University), Tiruchirapalli, 620 001 Tamil Nadu, India.
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75
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Garcia-Castro M, Zimmermann S, Sankar MG, Kumar K. Gerüstdiversitätsbasierte Synthese und ihre Anwendung bei der Sonden- und Wirkstoffsuche. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201508818] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Miguel Garcia-Castro
- Abteilung Chemische Biologie; Max-Planck-Institut für molekulare Physiologie; Otto-Hahn-Straße 11 44227 Dortmund Deutschland
| | - Stefan Zimmermann
- Abteilung Chemische Biologie; Max-Planck-Institut für molekulare Physiologie; Otto-Hahn-Straße 11 44227 Dortmund Deutschland
| | - Muthukumar G. Sankar
- Abteilung Chemische Biologie; Max-Planck-Institut für molekulare Physiologie; Otto-Hahn-Straße 11 44227 Dortmund Deutschland
| | - Kamal Kumar
- Abteilung Chemische Biologie; Max-Planck-Institut für molekulare Physiologie; Otto-Hahn-Straße 11 44227 Dortmund Deutschland
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76
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Garcia-Castro M, Zimmermann S, Sankar MG, Kumar K. Scaffold Diversity Synthesis and Its Application in Probe and Drug Discovery. Angew Chem Int Ed Engl 2016; 55:7586-605. [DOI: 10.1002/anie.201508818] [Citation(s) in RCA: 113] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2015] [Revised: 01/19/2016] [Indexed: 01/19/2023]
Affiliation(s)
- Miguel Garcia-Castro
- Department of Chemical Biology; Max Planck Institute of Molecular Physiology; Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Stefan Zimmermann
- Department of Chemical Biology; Max Planck Institute of Molecular Physiology; Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Muthukumar G. Sankar
- Department of Chemical Biology; Max Planck Institute of Molecular Physiology; Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Kamal Kumar
- Department of Chemical Biology; Max Planck Institute of Molecular Physiology; Otto-Hahn-Strasse 11 44227 Dortmund Germany
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77
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Rodrigues T, Reker D, Schneider P, Schneider G. Counting on natural products for drug design. Nat Chem 2016; 8:531-41. [PMID: 27219696 DOI: 10.1038/nchem.2479] [Citation(s) in RCA: 744] [Impact Index Per Article: 93.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2015] [Accepted: 02/12/2016] [Indexed: 02/08/2023]
Abstract
Natural products and their molecular frameworks have a long tradition as valuable starting points for medicinal chemistry and drug discovery. Recently, there has been a revitalization of interest in the inclusion of these chemotypes in compound collections for screening and achieving selective target modulation. Here we discuss natural-product-inspired drug discovery with a focus on recent advances in the design of synthetically tractable small molecules that mimic nature's chemistry. We highlight the potential of innovative computational tools in processing structurally complex natural products to predict their macromolecular targets and attempt to forecast the role that natural-product-derived fragments and fragment-like natural products will play in next-generation drug discovery.
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Affiliation(s)
- Tiago Rodrigues
- Swiss Federal Institute of Technology (ETH), Department of Chemistry and Applied Biosciences, Institute of Pharmaceutical Sciences, Vladimir-Prelog-Weg 4, 8093 Zürich, Switzerland
| | - Daniel Reker
- Swiss Federal Institute of Technology (ETH), Department of Chemistry and Applied Biosciences, Institute of Pharmaceutical Sciences, Vladimir-Prelog-Weg 4, 8093 Zürich, Switzerland
| | - Petra Schneider
- Swiss Federal Institute of Technology (ETH), Department of Chemistry and Applied Biosciences, Institute of Pharmaceutical Sciences, Vladimir-Prelog-Weg 4, 8093 Zürich, Switzerland.,inSili.com LLC, Segantinisteig 3, 8049 Zürich, Switzerland
| | - Gisbert Schneider
- Swiss Federal Institute of Technology (ETH), Department of Chemistry and Applied Biosciences, Institute of Pharmaceutical Sciences, Vladimir-Prelog-Weg 4, 8093 Zürich, Switzerland
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78
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79
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Exploration of Scaffolds from Natural Products with Antiplasmodial Activities, Currently Registered Antimalarial Drugs and Public Malarial Screen Data. Molecules 2016; 21:104. [PMID: 26784165 PMCID: PMC6273396 DOI: 10.3390/molecules21010104] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Revised: 01/06/2016] [Accepted: 01/12/2016] [Indexed: 01/07/2023] Open
Abstract
In light of current resistance to antimalarial drugs, there is a need to discover new classes of antimalarial agents with unique mechanisms of action. Identification of unique scaffolds from natural products with in vitro antiplasmodial activities may be the starting point for such new classes of antimalarial agents. We therefore conducted scaffold diversity and comparison analysis of natural products with in vitro antiplasmodial activities (NAA), currently registered antimalarial drugs (CRAD) and malaria screen data from Medicine for Malaria Ventures (MMV). The scaffold diversity analyses on the three datasets were performed using scaffold counts and cumulative scaffold frequency plots. Scaffolds from the NAA were compared to those from CRAD and MMV. A Scaffold Tree was also generated for each of the datasets and the scaffold diversity of NAA was found to be higher than that of MMV. Among the NAA compounds, we identified unique scaffolds that were not contained in any of the other compound datasets. These scaffolds from NAA also possess desirable drug-like properties making them ideal starting points for antimalarial drug design considerations. The Scaffold Tree showed the preponderance of ring systems in NAA and identified virtual scaffolds, which may be potential bioactive compounds.
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80
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Barnes EC, Kumar R, Davis RA. The use of isolated natural products as scaffolds for the generation of chemically diverse screening libraries for drug discovery. Nat Prod Rep 2016; 33:372-81. [DOI: 10.1039/c5np00121h] [Citation(s) in RCA: 103] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
This Highlight examines the use of isolated natural products as scaffolds in the semi-synthesis of drug discovery libraries, and the potential of this rarely used method to contribute to successful natural product library generation strategies.
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Affiliation(s)
- Emma C. Barnes
- Eskitis Institute for Drug Discovery
- Griffith University
- Brisbane
- Australia
- Leibniz Institute for Natural Product Research and Infection Biology HKI
| | - Rohitesh Kumar
- Eskitis Institute for Drug Discovery
- Griffith University
- Brisbane
- Australia
| | - Rohan A. Davis
- Eskitis Institute for Drug Discovery
- Griffith University
- Brisbane
- Australia
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81
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Inamdar SM, Chakrabarty I, Patil NT. A unified approach to pyrrole-embedded aza-heterocyclic scaffolds based on the RCM/isomerization/cyclization cascade catalyzed by a Ru/B-H binary catalyst system. RSC Adv 2016. [DOI: 10.1039/c6ra05646f] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
An easy and straightforward preparation of pyrrole-embedded aza-heterocyclic scaffolds employing a Ru/B-H binary catalyst system has been developed.
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Affiliation(s)
- Suleman M. Inamdar
- Organic Chemistry Division
- CSIR-National Chemical Laboratory
- Pune-411 008
- India
| | | | - Nitin T. Patil
- Organic Chemistry Division
- CSIR-National Chemical Laboratory
- Pune-411 008
- India
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82
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Sankar MG, Garcia-Castro M, Golz C, Strohmann C, Kumar K. l-Isoleucine derived bifunctional phosphine catalyses asymmetric [3 + 2]-annulation of allenyl-esters and -ketones with ketimines. RSC Adv 2016. [DOI: 10.1039/c6ra12387b] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
l-Isoleucine derived bifunctional N-acylaminophosphine catalyzed a [3 + 2]-annulation reaction between allenyl carbonyl compounds and isatinimines to afford a facile and asymmetric access to 3,2′-dihydropyrrolyl spirooxindoles.
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Affiliation(s)
- Muthukumar G. Sankar
- Max-Planck-Institut für Molekulare Physiologie
- Abteilung Chemische Biologie
- 44227 Dortmund
- Germany
| | - Miguel Garcia-Castro
- Max-Planck-Institut für Molekulare Physiologie
- Abteilung Chemische Biologie
- 44227 Dortmund
- Germany
| | - Christopher Golz
- Fakultät Chemie und Chemische Biologie
- Technische Universität Dortmund
- 44221 Dortmund
- Germany
| | - Carsten Strohmann
- Fakultät Chemie und Chemische Biologie
- Technische Universität Dortmund
- 44221 Dortmund
- Germany
| | - Kamal Kumar
- Max-Planck-Institut für Molekulare Physiologie
- Abteilung Chemische Biologie
- 44227 Dortmund
- Germany
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83
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Wang S, Fang K, Dong G, Chen S, Liu N, Miao Z, Yao J, Li J, Zhang W, Sheng C. Scaffold Diversity Inspired by the Natural Product Evodiamine: Discovery of Highly Potent and Multitargeting Antitumor Agents. J Med Chem 2015; 58:6678-96. [PMID: 26226379 DOI: 10.1021/acs.jmedchem.5b00910] [Citation(s) in RCA: 132] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A critical question in natural product-based drug discovery is how to translate the product into drug-like molecules with optimal pharmacological properties. The generation of natural product-inspired scaffold diversity is an effective but challenging strategy to investigate the broader chemical space and identify promising drug leads. Extending our efforts to the natural product evodiamine, a diverse library containing 11 evodiamine-inspired novel scaffolds and their derivatives were designed and synthesized. Most of them showed good to excellent antitumor activity against various human cancer cell lines. In particular, 3-chloro-10-hydroxyl thio-evodiamine (66c) showed excellent in vitro and in vivo antitumor efficacy with good tolerability and low toxicity. Antitumor mechanism and target profiling studies indicate that compound 66c is the first-in-class triple topoisomerase I/topoisomerase II/tubulin inhibitor. Overall, this study provided an effective strategy for natural product-based drug discovery.
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Affiliation(s)
- Shengzheng Wang
- Department of Medicinal Chemistry, School of Pharmacy, Second Military Medical University , 325 Guohe Road, Shanghai 200433, People's Republic of China.,School of Pharmacy, Fourth Military Medical University , 169 Changle West Road, Xi'an, 710032, People's Republic of China
| | - Kun Fang
- Department of Medicinal Chemistry, School of Pharmacy, Second Military Medical University , 325 Guohe Road, Shanghai 200433, People's Republic of China
| | - Guoqiang Dong
- Department of Medicinal Chemistry, School of Pharmacy, Second Military Medical University , 325 Guohe Road, Shanghai 200433, People's Republic of China
| | - Shuqiang Chen
- Department of Medicinal Chemistry, School of Pharmacy, Second Military Medical University , 325 Guohe Road, Shanghai 200433, People's Republic of China
| | - Na Liu
- Department of Medicinal Chemistry, School of Pharmacy, Second Military Medical University , 325 Guohe Road, Shanghai 200433, People's Republic of China
| | - Zhenyuan Miao
- Department of Medicinal Chemistry, School of Pharmacy, Second Military Medical University , 325 Guohe Road, Shanghai 200433, People's Republic of China
| | - Jianzhong Yao
- Department of Medicinal Chemistry, School of Pharmacy, Second Military Medical University , 325 Guohe Road, Shanghai 200433, People's Republic of China
| | - Jian Li
- School of Pharmacy, East China University of Science & Technology , 130 Meilong Road, Shanghai 200237, People's Republic of China
| | - Wannian Zhang
- Department of Medicinal Chemistry, School of Pharmacy, Second Military Medical University , 325 Guohe Road, Shanghai 200433, People's Republic of China
| | - Chunquan Sheng
- Department of Medicinal Chemistry, School of Pharmacy, Second Military Medical University , 325 Guohe Road, Shanghai 200433, People's Republic of China
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84
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Iniyan AM, Kannan RR, Vincent SGP. Characterization of Culturable Actinomycetes Associated with Halophytic Rhizosphere as Potential Source of Antibiotics. ACTA ACUST UNITED AC 2015. [DOI: 10.1007/s40011-015-0601-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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85
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Tian S, Wang J, Li Y, Li D, Xu L, Hou T. The application of in silico drug-likeness predictions in pharmaceutical research. Adv Drug Deliv Rev 2015; 86:2-10. [PMID: 25666163 DOI: 10.1016/j.addr.2015.01.009] [Citation(s) in RCA: 241] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2014] [Revised: 01/14/2015] [Accepted: 01/29/2015] [Indexed: 02/08/2023]
Abstract
The concept of drug-likeness, established from the analyses of the physiochemical properties or/and structural features of existing small organic drugs or/and drug candidates, has been widely used to filter out compounds with undesirable properties, especially poor ADMET (absorption, distribution, metabolism, excretion, and toxicity) profiles. Here, we summarize various approaches for drug-likeness evaluations, including simple rules/filters based on molecular properties/structures and quantitative prediction models based on sophisticated machine learning methods, and provide a comprehensive review of recent advances in this field. Moreover, the strengths and weaknesses of these approaches are briefly outlined. Finally, the drug-likeness analyses of natural products and traditional Chinese medicines (TCM) are discussed.
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Affiliation(s)
- Sheng Tian
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, China; College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu 215123, China
| | - Junmei Wang
- Green Center for Systems Biology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX 75390, United States
| | - Youyong Li
- Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, China
| | - Dan Li
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Lei Xu
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Tingjun Hou
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, China; College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu 215123, China.
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86
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Zhang X, Gu J, Cao L, Li N, Ma Y, Su Z, Ding G, Chen L, Xu X, Xiao W. Network pharmacology study on the mechanism of traditional Chinese medicine for upper respiratory tract infection. MOLECULAR BIOSYSTEMS 2015; 10:2517-25. [PMID: 25000319 DOI: 10.1039/c4mb00164h] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Traditional Chinese medicine (TCM) is a multi-component and multi-target agent and could treat complex diseases in a holistic way, especially infection diseases. However, the underlying pharmacology remains unclear. Fortunately, network pharmacology by integrating system biology and polypharmacology provides a strategy to address this issue. In this work, Reduning Injection (RDN), a well-used TCM treatment in the clinic for upper respiratory tract infections (URTIs), was investigated to interpret the molecular mechanism and predict new clinical directions by integrating molecular docking, network analysis and cell-based assays. 32 active ingredients and 38 potential targets were identified. In vitro experiments confirmed the bioactivities of the compounds against lipopolysaccharide (LPS)-stimulated PGE2 and NO production in RAW264.7 cells. Moreover, network analysis showed that RDN could not only inhibit viral replication but also alleviate the sickness symptoms of URTIs through directly targeting the key proteins in the respiratory viral life cycle and indirectly regulating host immune systems. In addition, other clinical applications of RDN such as neoplasms, cardiovascular diseases and immune system diseases were predicted on the basis of the relationships between targets and diseases.
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Affiliation(s)
- Xinzhuang Zhang
- State Key Laboratory of New-tech for Chinese Medicine Pharmaceutical Process, Kanion Pharmaceutical Corporation, Lianyungang City 222002, P.R. China
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87
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Kumar R, Sadowski MC, Levrier C, Nelson CC, Jones AJ, Holleran JP, Avery VM, Healy PC, Davis RA. Design and Synthesis of a Screening Library Using the Natural Product Scaffold 3-Chloro-4-hydroxyphenylacetic Acid. JOURNAL OF NATURAL PRODUCTS 2015; 78:914-918. [PMID: 25803573 DOI: 10.1021/np500856u] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The fungal metabolite 3-chloro-4-hydroxyphenylacetic acid (1) was utilized in the generation of a unique drug-like screening library using parallel solution-phase synthesis. A 20-membered amide library (3-22) was generated by first converting 1 to methyl (3-chloro-4-hydroxyphenyl)acetate (2), then reacting this scaffold with a diverse series of primary amines via a solvent-free aminolysis procedure. The structures of the synthetic analogues (3-22) were elucidated by spectroscopic data analysis. The structures of compounds 8, 12, and 22 were confirmed by single X-ray crystallographic analysis. All compounds were evaluated for cytotoxicity against a human prostate cancer cell line (LNCaP) and for antiparasitic activity toward Trypanosoma brucei brucei and Plasmodium falciparum and showed no significant activity at 10 μM. The library was also tested for effects on the lipid content of LNCaP and PC-3 prostate cancer cells, and it was demonstrated that the fluorobenzyl analogues (12-14) significantly reduced cellular phospholipid and neutral lipid levels.
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Affiliation(s)
- Rohitesh Kumar
- †Eskitis Institute for Drug Discovery, Griffith University, Brisbane, QLD 4111, Australia
| | - Martin C Sadowski
- ‡Australian Prostate Cancer Research Centre-Queensland, Institute of Health and Biomedical Innovation, Queensland University of Technology, Princess Alexandra Hospital, Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Claire Levrier
- †Eskitis Institute for Drug Discovery, Griffith University, Brisbane, QLD 4111, Australia
- ‡Australian Prostate Cancer Research Centre-Queensland, Institute of Health and Biomedical Innovation, Queensland University of Technology, Princess Alexandra Hospital, Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Colleen C Nelson
- ‡Australian Prostate Cancer Research Centre-Queensland, Institute of Health and Biomedical Innovation, Queensland University of Technology, Princess Alexandra Hospital, Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Amy J Jones
- †Eskitis Institute for Drug Discovery, Griffith University, Brisbane, QLD 4111, Australia
| | - John P Holleran
- †Eskitis Institute for Drug Discovery, Griffith University, Brisbane, QLD 4111, Australia
| | - Vicky M Avery
- †Eskitis Institute for Drug Discovery, Griffith University, Brisbane, QLD 4111, Australia
| | - Peter C Healy
- †Eskitis Institute for Drug Discovery, Griffith University, Brisbane, QLD 4111, Australia
| | - Rohan A Davis
- †Eskitis Institute for Drug Discovery, Griffith University, Brisbane, QLD 4111, Australia
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88
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Cheng WC, Guo CW, Lin CK, Jiang YR. Synthesis and Inhibition Study of Bicyclic Iminosugar-Based Alkaloids, Scaffolds, and Libraries towards Glucosidase. Isr J Chem 2015. [DOI: 10.1002/ijch.201400140] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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89
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Harvey AL, Edrada-Ebel R, Quinn RJ. The re-emergence of natural products for drug discovery in the genomics era. Nat Rev Drug Discov 2015; 14:111-29. [PMID: 25614221 DOI: 10.1038/nrd4510] [Citation(s) in RCA: 1499] [Impact Index Per Article: 166.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Natural products have been a rich source of compounds for drug discovery. However, their use has diminished in the past two decades, in part because of technical barriers to screening natural products in high-throughput assays against molecular targets. Here, we review strategies for natural product screening that harness the recent technical advances that have reduced these barriers. We also assess the use of genomic and metabolomic approaches to augment traditional methods of studying natural products, and highlight recent examples of natural products in antimicrobial drug discovery and as inhibitors of protein-protein interactions. The growing appreciation of functional assays and phenotypic screens may further contribute to a revival of interest in natural products for drug discovery.
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Affiliation(s)
- Alan L Harvey
- 1] Research and Innovation Support, Dublin City University, Dublin 9, Ireland. [2] Strathclyde Institute of Pharmacy and Biomedical Science, University of Strathclyde, Glasgow G4 0NR, UK
| | - RuAngelie Edrada-Ebel
- Strathclyde Institute of Pharmacy and Biomedical Science, University of Strathclyde, Glasgow G4 0NR, UK
| | - Ronald J Quinn
- Eskitis Institute for Drug Discovery, Griffith University, Brisbane, Queensland 4111, Australia
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90
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Abstract
In this article strategies for the design and synthesis of natural product analogues are summarized and illustrated with some selected examples.
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Affiliation(s)
- Martin E. Maier
- Institut für Organische Chemie
- Eberhard Karls Universität Tübingen
- 72076 Tübingen
- Germany
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91
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Bansode AH, Shaikh AC, Kavthe RD, Thorat S, Gonnade RG, Patil NT. Catalyst-Dependent Selectivity in the Relay Catalytic Branching Cascade. Chemistry 2014; 21:2319-23. [DOI: 10.1002/chem.201405736] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Indexed: 01/03/2023]
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92
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Skuta C, Bartůněk P, Svozil D. InCHlib - interactive cluster heatmap for web applications. J Cheminform 2014; 6:44. [PMID: 25264459 PMCID: PMC4173117 DOI: 10.1186/s13321-014-0044-4] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2014] [Accepted: 09/08/2014] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Hierarchical clustering is an exploratory data analysis method that reveals the groups (clusters) of similar objects. The result of the hierarchical clustering is a tree structure called dendrogram that shows the arrangement of individual clusters. To investigate the row/column hierarchical cluster structure of a data matrix, a visualization tool called 'cluster heatmap' is commonly employed. In the cluster heatmap, the data matrix is displayed as a heatmap, a 2-dimensional array in which the colour of each element corresponds to its value. The rows/columns of the matrix are ordered such that similar rows/columns are near each other. The ordering is given by the dendrogram which is displayed on the side of the heatmap. RESULTS We developed InCHlib (Interactive Cluster Heatmap Library), a highly interactive and lightweight JavaScript library for cluster heatmap visualization and exploration. InCHlib enables the user to select individual or clustered heatmap rows, to zoom in and out of clusters or to flexibly modify heatmap appearance. The cluster heatmap can be augmented with additional metadata displayed in a different colour scale. In addition, to further enhance the visualization, the cluster heatmap can be interconnected with external data sources or analysis tools. Data clustering and the preparation of the input file for InCHlib is facilitated by the Python utility script inchlib_clust. CONCLUSIONS The cluster heatmap is one of the most popular visualizations of large chemical and biomedical data sets originating, e.g., in high-throughput screening, genomics or transcriptomics experiments. The presented JavaScript library InCHlib is a client-side solution for cluster heatmap exploration. InCHlib can be easily deployed into any modern web application and configured to cooperate with external tools and data sources. Though InCHlib is primarily intended for the analysis of chemical or biological data, it is a versatile tool which application domain is not limited to the life sciences only.
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Affiliation(s)
- Ctibor Skuta
- Laboratory of Informatics and Chemistry, Faculty of Chemical Technology, Institute of Chemical Technology Prague, Technická 5, CZ-166 28 Prague, Czech Republic ; CZ-OPENSCREEN, Institute of Molecular Genetics of the ASCR, v. v. i, Vídeňská 1083, CZ-142 20 Prague, Czech Republic
| | - Petr Bartůněk
- CZ-OPENSCREEN, Institute of Molecular Genetics of the ASCR, v. v. i, Vídeňská 1083, CZ-142 20 Prague, Czech Republic
| | - Daniel Svozil
- Laboratory of Informatics and Chemistry, Faculty of Chemical Technology, Institute of Chemical Technology Prague, Technická 5, CZ-166 28 Prague, Czech Republic ; CZ-OPENSCREEN, Institute of Molecular Genetics of the ASCR, v. v. i, Vídeňská 1083, CZ-142 20 Prague, Czech Republic
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93
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To screen or not to screen: an impassioned plea for smarter chemical libraries to improve drug lead finding. Future Med Chem 2014; 6:497-502. [PMID: 24649953 DOI: 10.4155/fmc.14.21] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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94
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Revealing the macromolecular targets of complex natural products. Nat Chem 2014; 6:1072-8. [DOI: 10.1038/nchem.2095] [Citation(s) in RCA: 101] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2014] [Accepted: 09/23/2014] [Indexed: 01/01/2023]
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95
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Metuge JA, Ntie-Kang F, Ngwa VF, Babiaka SB, Samje M, Cho-Ngwa F. Molecular modeling of plant metabolites with anti-Onchocerca activity. Med Chem Res 2014. [DOI: 10.1007/s00044-014-1280-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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96
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Delbarre-Ladrat C, Sinquin C, Lebellenger L, Zykwinska A, Colliec-Jouault S. Exopolysaccharides produced by marine bacteria and their applications as glycosaminoglycan-like molecules. Front Chem 2014; 2:85. [PMID: 25340049 PMCID: PMC4189415 DOI: 10.3389/fchem.2014.00085] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Accepted: 09/20/2014] [Indexed: 11/13/2022] Open
Abstract
Although polysaccharides are ubiquitous and the most abundant renewable bio-components, their studies, covered by the glycochemistry and glycobiology fields, remain a challenge due to their high molecular diversity and complexity. Polysaccharides are industrially used in food products; human therapeutics fall into a more recent research field and pharmaceutical industry is looking for more and more molecules with enhanced activities. Glycosaminoglycans (GAGs) found in animal tissues play a critical role in cellular physiological and pathological processes as they bind many cellular components. Therefore, they present a great potential for the design and preparation of therapeutic drugs. On the other hand, microorganisms producing exopolysaccharides (EPS) are renewable resources meeting well the actual industrial demand. In particular, the diversity of marine microorganisms is still largely unexplored offering great opportunities to discover high value products such as new molecules and biocatalysts. EPS-producing bacteria from the marine environment will be reviewed with a focus on marine-derived EPS from bacteria isolated from deep-sea hydrothermal vents. Information on chemical and structural features, putative pathways of biosynthesis, novel strategies for chemical and enzymatic modifications and potentialities in the biomedical field will be provided. An integrated approach should be used to increase the basic knowledge on these compounds and their applications; new clean environmentally friendly processes for the production of carbohydrate bioactive compounds should also be proposed for a sustainable industry.
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Affiliation(s)
| | - Corinne Sinquin
- EM3B Laboratory, Institut Français de Recherche pour l'Exploitation de la Mer Nantes, France
| | - Lou Lebellenger
- EM3B Laboratory, Institut Français de Recherche pour l'Exploitation de la Mer Nantes, France
| | - Agata Zykwinska
- EM3B Laboratory, Institut Français de Recherche pour l'Exploitation de la Mer Nantes, France
| | - Sylvia Colliec-Jouault
- EM3B Laboratory, Institut Français de Recherche pour l'Exploitation de la Mer Nantes, France
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97
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Miceli M, Bontempo P, Nebbioso A, Altucci L. Natural compounds in epigenetics: a current view. Food Chem Toxicol 2014; 73:71-83. [PMID: 25139119 DOI: 10.1016/j.fct.2014.08.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2014] [Revised: 08/06/2014] [Accepted: 08/08/2014] [Indexed: 01/03/2023]
Abstract
The successful treatment of many human diseases, including cancer, has come to be considered a major challenge, as patient response to therapy is difficult to predict. Recently, considerable efforts are being focused on the development of new tools to meet the growing demand for personalized medicine. With few exceptions, synthetic compounds have been unable to meet initial expectations for their clinical use. The last twenty years have been characterized by the failure of several drugs in advanced clinical development, possibly due to the insufficient understanding of molecular pathways underlying their mechanism of action. Although the biodiversity of compounds found in nature has been poorly explored until now, the field of naturally occurring drugs is rapidly expanding. Here, we review the current knowledge on the use of natural compounds with particular emphasis on those that display a chromatin remodeling effect coupled with anticancer action.
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Affiliation(s)
- Marco Miceli
- Dipartimento di Biochimica, Biofisica e Patologia Generale, Seconda Universita' di Napoli, Via L. De Crecchio 7, 80138 Napoli, Italy; Istituto di Genetica e Biofisica, Adriano Buzzati-Traverso, IGB, Via P. Castellino 111, 80131 Napoli, Italy
| | - Paola Bontempo
- Dipartimento di Biochimica, Biofisica e Patologia Generale, Seconda Universita' di Napoli, Via L. De Crecchio 7, 80138 Napoli, Italy
| | - Angela Nebbioso
- Dipartimento di Biochimica, Biofisica e Patologia Generale, Seconda Universita' di Napoli, Via L. De Crecchio 7, 80138 Napoli, Italy
| | - Lucia Altucci
- Dipartimento di Biochimica, Biofisica e Patologia Generale, Seconda Universita' di Napoli, Via L. De Crecchio 7, 80138 Napoli, Italy; Istituto di Genetica e Biofisica, Adriano Buzzati-Traverso, IGB, Via P. Castellino 111, 80131 Napoli, Italy.
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98
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Parra A, Martin-Fonseca S, Rivas F, Reyes-Zurita FJ, Medina-O’Donnell M, Rufino-Palomares EE, Martinez A, Garcia-Granados A, Lupiañez JA, Albericio F. Solid-phase library synthesis of bi-functional derivatives of oleanolic and maslinic acids and their cytotoxicity on three cancer cell lines. ACS COMBINATORIAL SCIENCE 2014; 16:428-47. [PMID: 24916186 DOI: 10.1021/co500051z] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
A wide set of 264 compounds has been semisynthesized with high yields and purities. These compounds have been obtained through easy synthetic processes based on a solid-phase combinatorial methodology. All the members of this library have one central core of a natural pentacyclic triterpene (oleanolic or maslinic acid) and differ by 6 amino acids, coupled with the carboxyl group at C-28 of the triterpenoid skeleton, and by 10 different acyl groups attached to the hydroxyl groups of the A-ring of these molecules. According to the literature on the outstanding and promising pharmacological activities of other similar terpene derivatives, some of these compounds have been tested for their cytotoxic effects on the proliferation of three cancer cell lines: B16-F10, HT29, and Hep G2. In general, we have found that around 70% of the compounds tested show cytotoxicity in all three of the cell lines selected; around 60% of the cytotoxic compounds are more effective than their corresponding precursors, that is, oleanolic (OA) or maslinic (MA) acids; and nearly 50% of the cytotoxic derivatives have IC50 values between 2- to 320-fold lower than their corresponding precursor (OA or MA).
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Affiliation(s)
- Andres Parra
- Departamento
de Quimica Organica, Facultad de Ciencias, Universidad de Granada, E-18071 Granada, Spain
| | - Samuel Martin-Fonseca
- Departamento
de Quimica Organica, Facultad de Ciencias, Universidad de Granada, E-18071 Granada, Spain
| | - Francisco Rivas
- Departamento
de Quimica Organica, Facultad de Ciencias, Universidad de Granada, E-18071 Granada, Spain
| | - Fernando J. Reyes-Zurita
- Departamento
de Bioquimica y Biologia Molecular I, Facultad de Ciencias, Universidad de Granada, E-18071 Granada, Spain
| | - Marta Medina-O’Donnell
- Departamento
de Quimica Organica, Facultad de Ciencias, Universidad de Granada, E-18071 Granada, Spain
| | - Eva E. Rufino-Palomares
- Departamento
de Bioquimica y Biologia Molecular I, Facultad de Ciencias, Universidad de Granada, E-18071 Granada, Spain
| | - Antonio Martinez
- Departamento
de Quimica Organica, Facultad de Ciencias, Universidad de Granada, E-18071 Granada, Spain
| | - Andres Garcia-Granados
- Departamento
de Quimica Organica, Facultad de Ciencias, Universidad de Granada, E-18071 Granada, Spain
| | - Jose A. Lupiañez
- Departamento
de Bioquimica y Biologia Molecular I, Facultad de Ciencias, Universidad de Granada, E-18071 Granada, Spain
| | - Fernando Albericio
- Institut for Research in Biomedicine and CIBER BBN, Baldiri Reixac 10, 08028 Barcelona, Spain
- School
of Chemistry and Physics, University of KwaZulu-Natal, 4001 Durban, South Africa
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99
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Trader DJ, Carlson EE. Toward the development of solid-supported reagents for separation of alcohol-containing compounds by steric environment. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.03.040] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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100
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Klein J, Heal J, Hamilton WO, Boussemghoune T, Tange TØ, Delegrange F, Jaeschke G, Hatsch A, Heim J. Yeast synthetic biology platform generates novel chemical structures as scaffolds for drug discovery. ACS Synth Biol 2014; 3:314-23. [PMID: 24742115 PMCID: PMC4046787 DOI: 10.1021/sb400177x] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2013] [Indexed: 01/08/2023]
Abstract
Synthetic biology has been heralded as a new bioengineering platform for the production of bulk and specialty chemicals, drugs, and fuels. Here, we report for the first time a series of 74 novel compounds produced using a combinatorial genetics approach in baker's yeast. Based on the concept of "coevolution" with target proteins in an intracellular primary survival assay, the identified, mostly scaffold-sized (200-350 MW) compounds, which displayed excellent biological activity, can be considered as prevalidated hits. Of the molecules found, >75% have not been described previously; 20% of the compounds exhibit novel scaffolds. Their structural and physicochemical properties comply with established rules of drug- and fragment-likeness and exhibit increased structural complexities compared to synthetically produced fragments. In summary, the synthetic biology approach described here represents a completely new, complementary strategy for hit and early lead identification that can be easily integrated into the existing drug discovery process.
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Affiliation(s)
- Jens Klein
- Evolva SA, Duggingerstrasse 23, CH-4153 Reinach, Switzerland
| | - Jonathan
R. Heal
- Prosarix
Ltd, Newton Hall, Town Street, Newton, Cambridge CB22 7ZE, U.K.
| | | | | | | | | | - Georg Jaeschke
- F. Hoffmann-La Roche
Ltd, Pharmaceutical Division, CH-4070 Basel, Switzerland
| | - Anaëlle Hatsch
- Evolva SA, Duggingerstrasse 23, CH-4153 Reinach, Switzerland
| | - Jutta Heim
- Evolva SA, Duggingerstrasse 23, CH-4153 Reinach, Switzerland
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