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Mitschke N, Vemulapalli SPB, Dittmar T. Dissolved Organic Matter Contains Ketones Across a Wide Range of Molecular Formulas. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:15587-15597. [PMID: 39163040 PMCID: PMC11375772 DOI: 10.1021/acs.est.4c02593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/21/2024]
Abstract
The carbonyl functionality of natural organic matter (NOM) is poorly constrained. Here, we treated Suwannee River NOM (SRNOM) with ammonium acetate and sodium cyanoborohydride to convert ketone-containing compounds by reductive amination to their corresponding primary amines. The total dissolved nitrogen content increased by up to 275% after amination. Up to 30% of the molecular formulas of SRNOM contained isomers with ketone functionalities as detected by ultrahigh-resolution mass spectrometry. Most of these isomers contained one or two keto groups. At least 3.5% of the oxygen in SRNOM was bound in ketone moieties. The conversion of reacted compounds increased linearly with O/H values of molecular formulas and was predictable from the elemental composition. The mean conversion rate of reacted compounds nearly followed a log-normal distribution. This distribution and the predictability of the proportion of ketone-containing isomers solely based on the molecular formula indicated a stochastic distribution of ketones across SRNOM compounds. We obtained isotopically labeled amines by using 15N-labeled ammonium acetate, facilitating the identification of reaction products and enabling NMR spectroscopic analysis. 1H,15N HSQC NMR experiments of derivatized samples containing less than 20 μg of nitrogen confirmed the predominant formation of primary amines, as expected from the reaction pathway.
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Affiliation(s)
- Nico Mitschke
- Institute for Chemistry and Biology of the Marine Environment (ICBM), School of Mathematics and Science, Carl von Ossietzky Universität Oldenburg, Ammerländer Heerstraße 114-118, Oldenburg 26129, Germany
| | - Sahithya Phani Babu Vemulapalli
- Institute for Chemistry and Biology of the Marine Environment (ICBM), School of Mathematics and Science, Carl von Ossietzky Universität Oldenburg, Ammerländer Heerstraße 114-118, Oldenburg 26129, Germany
| | - Thorsten Dittmar
- Institute for Chemistry and Biology of the Marine Environment (ICBM), School of Mathematics and Science, Carl von Ossietzky Universität Oldenburg, Ammerländer Heerstraße 114-118, Oldenburg 26129, Germany
- Helmholtz Institute for Functional Marine Biodiversity (HIFMB) at the Carl von Ossietzky Universität Oldenburg, Ammerländer Heerstraße 231, Oldenburg 26129, Germany
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Guzii AG, Makarieva TN, Fedorov SN, Menshov AS, Denisenko VA, Popov RS, Yurchenko EA, Menchinskaya ES, Grebnev BB, Iarotsckaia VV, Kim NY, Stonik VA. Toporosides A and B, Cyclopentenyl-Containing ω-Glycosylated Fatty Acid Amides, and Toporosides C and D from the Northwestern Pacific Marine Sponge Stelodoryx toporoki. JOURNAL OF NATURAL PRODUCTS 2022; 85:1186-1191. [PMID: 35377646 DOI: 10.1021/acs.jnatprod.2c00130] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Toporosides A-D (1-4), new ω-glycosylated fatty acid amides, were isolated from the sponge Stelodoryx toporoki. The structures of these compounds, including absolute configurations of stereogenic centers, were established using analysis of 1D and 2D NMR, ECD, and HR mass spectra as well as chemical transformations. Toporosides A (1) and B (2) are the first lipids containing a cyclopentenyl α,β-unsaturated carbonyl moiety in the polymethylene chain. Toporoside C (3) is likely a precursor, which undergoes intramolecular aldol condensation to produce 1 and 2. Toporosides A, C, and D showed protective effects against TNF-α-induced injury in H9c2 cardiomyocytes.
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Affiliation(s)
- Alla G Guzii
- G. B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences, Prospect 100-let Vladivostoku 159, Vladivostok 690022, Russian Federation
| | - Tatyana N Makarieva
- G. B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences, Prospect 100-let Vladivostoku 159, Vladivostok 690022, Russian Federation
| | - Sergey N Fedorov
- G. B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences, Prospect 100-let Vladivostoku 159, Vladivostok 690022, Russian Federation
| | - Alexander S Menshov
- G. B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences, Prospect 100-let Vladivostoku 159, Vladivostok 690022, Russian Federation
| | - Vladimir A Denisenko
- G. B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences, Prospect 100-let Vladivostoku 159, Vladivostok 690022, Russian Federation
| | - Roman S Popov
- G. B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences, Prospect 100-let Vladivostoku 159, Vladivostok 690022, Russian Federation
| | - Ekaterina A Yurchenko
- G. B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences, Prospect 100-let Vladivostoku 159, Vladivostok 690022, Russian Federation
| | - Ekaterina S Menchinskaya
- G. B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences, Prospect 100-let Vladivostoku 159, Vladivostok 690022, Russian Federation
| | - Boris B Grebnev
- G. B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences, Prospect 100-let Vladivostoku 159, Vladivostok 690022, Russian Federation
| | - Viktoria V Iarotsckaia
- Department of Chemistry and Materials, Institute of High Technologies and Advanced Materials, Far Eastern Federal University, FEFU Campus 10 Ajax Bay, Russky Island, Vladivostok 690922, Russian Federation
| | - Natalya Yu Kim
- G. B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences, Prospect 100-let Vladivostoku 159, Vladivostok 690022, Russian Federation
| | - Valentin A Stonik
- G. B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences, Prospect 100-let Vladivostoku 159, Vladivostok 690022, Russian Federation
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Dyshlovoy SA. Blue-Print Autophagy in 2020: A Critical Review. Mar Drugs 2020; 18:md18090482. [PMID: 32967369 PMCID: PMC7551687 DOI: 10.3390/md18090482] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 09/15/2020] [Accepted: 09/17/2020] [Indexed: 12/13/2022] Open
Abstract
Autophagy is an elegant and complex biological process that has recently attracted much attention from the scientific community. The compounds which are capable of control and modulation of this process have a promising potential as therapeutics for a number of pathological conditions, including cancer and neurodegenerative disorders. At the same time, due to the relatively young age of the field, there are still some pitfalls in the autophagy monitoring assays and interpretation of the experimental data. This critical review provides an overview of the marine natural compounds, which have been reported to affect autophagy. The time period from the beginning of 2016 to the middle of 2020 is covered. Additionally, the published data and conclusions based on the experimental results are re-analyzed with regard to the guidelines developed by Klionsky and colleagues (Autophagy. 2016; 12(1): 1–222), which are widely accepted by the autophagy research community. Remarkably and surprisingly, more than half of the compounds reported to be autophagy activators or inhibitors could not ultimately be assigned to either category. The experimental data reported for those substances could indicate both autophagy activation and inhibition, requiring further investigation. Thus, the reviewed molecules were divided into two groups: having validated and non-validated autophagy modulatory effects. This review gives an analysis of the recent updates in the field and raises an important problem of standardization in the experimental design and data interpretation.
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Affiliation(s)
- Sergey A Dyshlovoy
- Laboratory of Pharmacology, A.V. Zhirmunsky National Scientific Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences, 690041 Vladivostok, Russia
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Makarieva TN, Ivanchina NV, Stonik VA. Application of Oxidative and Reductive Transformations in the Structure Determination of Marine Natural Products. JOURNAL OF NATURAL PRODUCTS 2020; 83:1314-1333. [PMID: 32091208 DOI: 10.1021/acs.jnatprod.9b01020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
This review highlights the application of oxidative and reductive chemical transformations in the structure determination of complex marine natural products, including their absolute configurations. Workability of the Baeyer-Villiger reaction, ozonolysis, periodate oxidation, hydrogenolysis, and reductive amination, as well as other related chemical transformations, are discussed.
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Affiliation(s)
- Tatyana N Makarieva
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok, Pr. 100 let, Vladivostoku, 159, Russia
| | - Natalia V Ivanchina
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok, Pr. 100 let, Vladivostoku, 159, Russia
| | - Valentin A Stonik
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok, Pr. 100 let, Vladivostoku, 159, Russia
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Katanaev VL, Di Falco S, Khotimchenko Y. The Anticancer Drug Discovery Potential of Marine Invertebrates from Russian Pacific. Mar Drugs 2019; 17:E474. [PMID: 31426365 PMCID: PMC6723377 DOI: 10.3390/md17080474] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 08/13/2019] [Indexed: 12/19/2022] Open
Abstract
Despite huge efforts by academia and pharmaceutical industry, cancer remains the second cause of disease-related death in developed countries. Novel sources and principles of anticancer drug discovery are in urgent demand. Marine-derived natural products represent a largely untapped source of future drug candidates. This review focuses on the anticancer drug discovery potential of marine invertebrates from the North-West Pacific. The issues of biodiversity, chemodiversity, and the anticancer pharmacophore diversity this region hides are consecutively discussed. These three levels of diversity are analyzed from the point of view of the already discovered compounds, as well as from the assessment of the overall, still undiscovered and enormous potential. We further go into the predictions of the economic and societal benefits the full-scale exploration of this potential offers, and suggest strategic measures to be taken on the national level in order to unleash such full-scale exploration. The transversal and multi-discipline approach we attempt to build for the case of marine invertebrate-based anticancer drug discovery from a given region can be applied to other regions and disease conditions, as well as up-scaled to global dimensions.
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Affiliation(s)
- Vladimir L Katanaev
- Department of Cell Physiology and Metabolism, Translational Research Centre in Oncohaematology, Faculty of Medicine, University of Geneva, Rue Michel-Servet 1, 1211 Geneva, Switzerland.
- School of Biomedicine, Far Eastern Federal University, 8 ul. Sukhanova, 690950 Vladivostok, Russia.
| | - Salvatore Di Falco
- The Institute of Economics and Econometrics, University of Geneva, UNIMAIL, Boulevard du Pont d'Arve 40, 1211 Geneva, Switzerland
| | - Yuri Khotimchenko
- School of Biomedicine, Far Eastern Federal University, 8 ul. Sukhanova, 690950 Vladivostok, Russia.
- National Scientific Center for Marine Biology, Far Eastern Branch of Russian Academy of Sciences, 690041 Vladivostok, Russia.
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Guzii AG, Makarieva TN, Denisenko VA, Gerasimenko AV, Udovenko AA, Popov RS, Dmitrenok PS, Golotin VA, Fedorov SN, Grebnev BB, Stonik VA. Guitarrins A-E and Aluminumguitarrin A: 5-Azaindoles from the Northwestern Pacific Marine Sponge Guitarra fimbriata. JOURNAL OF NATURAL PRODUCTS 2019; 82:1704-1709. [PMID: 31181923 DOI: 10.1021/acs.jnatprod.9b00334] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Guitarrins A-E (1-5), the first natural 5-azaindoles, and aluminumguitarrin A (1a), the first aluminum-containing compound from marine invertebrates, were isolated from the sponge Guitarra fimbriata. The structures of these compounds were established using detailed analysis of 1D and 2D NMR data, mass spectra, and X-ray analysis of 1 and 1a. Compound 3 was proved to be a natural inhibitor of alkaline phosphatase.
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Affiliation(s)
- Alla G Guzii
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far East Branch of the Russian Academy of Sciences , Prospect 100-let Vladivostoku 159 , Vladivostok 690022 , Russian Federation
| | - Tatyana N Makarieva
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far East Branch of the Russian Academy of Sciences , Prospect 100-let Vladivostoku 159 , Vladivostok 690022 , Russian Federation
| | - Vladimir A Denisenko
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far East Branch of the Russian Academy of Sciences , Prospect 100-let Vladivostoku 159 , Vladivostok 690022 , Russian Federation
| | - Andrey V Gerasimenko
- Institute of Chemistry, Far East Branch of the Russian Academy of Sciences , Prospect 100-let Vladivostoku 159 , Vladivostok 690022 , Russian Federation
| | - Anatoly A Udovenko
- Institute of Chemistry, Far East Branch of the Russian Academy of Sciences , Prospect 100-let Vladivostoku 159 , Vladivostok 690022 , Russian Federation
| | - Roman S Popov
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far East Branch of the Russian Academy of Sciences , Prospect 100-let Vladivostoku 159 , Vladivostok 690022 , Russian Federation
| | - Pavel S Dmitrenok
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far East Branch of the Russian Academy of Sciences , Prospect 100-let Vladivostoku 159 , Vladivostok 690022 , Russian Federation
| | - Vasily A Golotin
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far East Branch of the Russian Academy of Sciences , Prospect 100-let Vladivostoku 159 , Vladivostok 690022 , Russian Federation
| | - Sergey N Fedorov
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far East Branch of the Russian Academy of Sciences , Prospect 100-let Vladivostoku 159 , Vladivostok 690022 , Russian Federation
| | - Boris B Grebnev
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far East Branch of the Russian Academy of Sciences , Prospect 100-let Vladivostoku 159 , Vladivostok 690022 , Russian Federation
| | - Valentin A Stonik
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far East Branch of the Russian Academy of Sciences , Prospect 100-let Vladivostoku 159 , Vladivostok 690022 , Russian Federation
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Guzii AG, Makarieva TN, Denisenko VA, Dmitrenok PS, Popov RS, Kuzmich AS, Fedorov SN, Krasokhin VB, Kim NY, Stonik VA. Melonoside B and Melonosins A and B, Lipids Containing Multifunctionalized ω-Hydroxy Fatty Acid Amides from the Far Eastern Marine Sponge Melonanchora kobjakovae. JOURNAL OF NATURAL PRODUCTS 2018; 81:2763-2767. [PMID: 30525604 DOI: 10.1021/acs.jnatprod.8b00785] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Melonoside B (1) and melonosins B (2) and A (3), new lipids based on polyoxygenated fatty acid amides, and known melonoside A (4) were isolated from two different collections of the marine sponge Melonanchora kobjakovae. The structures of these compounds, including their absolute configurations, were established using detailed analysis of 1D and 2D NMR, ECD, and mass spectra as well as chemical transformations. Melonosins 2 and 3 inhibit AP-1- and NF-kB-dependent transcriptional activities in JB6 Cl41 cells at noncytotoxic concentrations, demonstrating potential cancer preventive activity.
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Affiliation(s)
- Alla G Guzii
- G. B. Elyakov Pacific Institute of Bioorganic Chemistry , Far Eastern Branch of the Russian Academy of Sciences , Prospect 100-let Vladivostoku 159 , Vladivostok 690022 , Russian Federation
| | - Tatyana N Makarieva
- G. B. Elyakov Pacific Institute of Bioorganic Chemistry , Far Eastern Branch of the Russian Academy of Sciences , Prospect 100-let Vladivostoku 159 , Vladivostok 690022 , Russian Federation
| | - Vladimir A Denisenko
- G. B. Elyakov Pacific Institute of Bioorganic Chemistry , Far Eastern Branch of the Russian Academy of Sciences , Prospect 100-let Vladivostoku 159 , Vladivostok 690022 , Russian Federation
| | - Pavel S Dmitrenok
- G. B. Elyakov Pacific Institute of Bioorganic Chemistry , Far Eastern Branch of the Russian Academy of Sciences , Prospect 100-let Vladivostoku 159 , Vladivostok 690022 , Russian Federation
| | - Roman S Popov
- G. B. Elyakov Pacific Institute of Bioorganic Chemistry , Far Eastern Branch of the Russian Academy of Sciences , Prospect 100-let Vladivostoku 159 , Vladivostok 690022 , Russian Federation
| | - Alexandra S Kuzmich
- G. B. Elyakov Pacific Institute of Bioorganic Chemistry , Far Eastern Branch of the Russian Academy of Sciences , Prospect 100-let Vladivostoku 159 , Vladivostok 690022 , Russian Federation
| | - Sergey N Fedorov
- G. B. Elyakov Pacific Institute of Bioorganic Chemistry , Far Eastern Branch of the Russian Academy of Sciences , Prospect 100-let Vladivostoku 159 , Vladivostok 690022 , Russian Federation
| | - Vladimir B Krasokhin
- G. B. Elyakov Pacific Institute of Bioorganic Chemistry , Far Eastern Branch of the Russian Academy of Sciences , Prospect 100-let Vladivostoku 159 , Vladivostok 690022 , Russian Federation
| | - Natalya Yu Kim
- G. B. Elyakov Pacific Institute of Bioorganic Chemistry , Far Eastern Branch of the Russian Academy of Sciences , Prospect 100-let Vladivostoku 159 , Vladivostok 690022 , Russian Federation
| | - Valentin A Stonik
- G. B. Elyakov Pacific Institute of Bioorganic Chemistry , Far Eastern Branch of the Russian Academy of Sciences , Prospect 100-let Vladivostoku 159 , Vladivostok 690022 , Russian Federation
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Abstract
Covering: 2016. Previous review: Nat. Prod. Rep., 2017, 34, 235-294This review covers the literature published in 2016 for marine natural products (MNPs), with 757 citations (643 for the period January to December 2016) referring to compounds isolated from marine microorganisms and phytoplankton, green, brown and red algae, sponges, cnidarians, bryozoans, molluscs, tunicates, echinoderms, mangroves and other intertidal plants and microorganisms. The emphasis is on new compounds (1277 in 432 papers for 2016), together with the relevant biological activities, source organisms and country of origin. Reviews, biosynthetic studies, first syntheses, and syntheses that led to the revision of structures or stereochemistries, have been included.
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Affiliation(s)
- John W Blunt
- School of Physical and Chemical Sciences, University of Canterbury, Christchurch, New Zealand
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Kang KB, Park EJ, Kim J, Sung SH. Berchemiosides A-C, 2-Acetoxy-ω-phenylpentaene Fatty Acid Triglycosides from the Unripe Fruits of Berchemia berchemiifolia. JOURNAL OF NATURAL PRODUCTS 2017; 80:2778-2786. [PMID: 28972762 DOI: 10.1021/acs.jnatprod.7b00602] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Three compounds in a new class of 2-acetoxy-ω-phenylpentaene fatty acid triglycosides, berchemiosides A-C (1-3), and a biosynthetically related phenolic glycoside (4) were isolated from the unripe fruits of Berchemia berchemiifolia, along with three flavonoid 5-O-diglycosides (5-7) and three known flavonoids (8-10). Their chemical structures including absolute configurations were determined by spectroscopic analysis in combination with chemical derivatization. The pentaene group of 1 was found to have (6E,8E,10Z,12Z,14E)-geometry, whereas those of 2 and 3 exhibited all-E geometries. The isolated compounds were examined for their cytotoxicity and xanthine oxidase (XO) inhibitory activity; only compound 7 showed weak XO inhibitory activity.
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Affiliation(s)
- Kyo Bin Kang
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University , Seoul 08826, Republic of Korea
| | - Eun Jin Park
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University , Seoul 08826, Republic of Korea
| | - Jinwoong Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University , Seoul 08826, Republic of Korea
| | - Sang Hyun Sung
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University , Seoul 08826, Republic of Korea
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Govindarajan M. Amphiphilic glycoconjugates as potential anti-cancer chemotherapeutics. Eur J Med Chem 2017; 143:1208-1253. [PMID: 29126728 DOI: 10.1016/j.ejmech.2017.10.015] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 09/14/2017] [Accepted: 10/08/2017] [Indexed: 12/13/2022]
Abstract
Amphiphilicity is one of the desirable features in the process of drug development which improves the biological as well as the pharmacokinetics profile of bioactive molecule. Carbohydrate moieties present in anti-cancer natural products and synthetic molecules influence the amphiphilicity and hence their bioactivity. This review focuses on natural and synthetic amphiphilic anti-cancer glycoconjugates. Different classes of molecules with varying degree of amphiphilicity are covered with discussions on their structure-activity relationship and mechanism of action.
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Affiliation(s)
- Mugunthan Govindarajan
- Emory Institute for Drug Development, Emory University, 954 Gatewood Road, Atlanta, GA 30329, United States.
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