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Ospina-Calvo B, De Gerónimo E, Villarruel FD, Aparicio VC, Ashworth L, Erra-Balsells R, Cabrerizo FM. Distribution of photoactive β-carboline alkaloids across Passiflora caerulea floral organs. Photochem Photobiol 2024; 100:87-100. [PMID: 37448143 DOI: 10.1111/php.13837] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 06/15/2023] [Accepted: 07/01/2023] [Indexed: 07/15/2023]
Abstract
This study reports valuable information regarding the presence and concentration of a series of photoactive β-carboline (βCs) alkaloids (norharmane, harmane, harmine, harmol, harmaline, and harmalol) and their distribution across the floral age and organs of Passiflora caerulea. UHPLC-MS/MS data reported herein reveal that the βCs' content ranged from 1 to 110 μg kg-1 , depending on the floral organ and age. In certain physiologically relevant organs, such as anthers, βCs' content was one order of magnitude higher than in other organs, suggesting a special role for βCs in this specific organ. βCs' content also varied in a structure-dependent manner. Alkaloids bearing a hydroxyl group at position C(7) of the main βC ring were present at concentrations one order of magnitude higher than other βC derivatives investigated. UV-visible and fluorescence spectroscopy of the flower extracts provided complementary information regarding other biologically relevant groups of chromophores (phenolic/indolic derivatives, flavonoids/carotenes, and chlorophylls). Since flowers are constantly exposed to solar radiation, the presence of photoactive βCs in floral organs may have several (photo)biological implications that are further discussed.
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Affiliation(s)
- Brian Ospina-Calvo
- Instituto Tecnológico de Chascomús (CONICET-UNSAM), Chascomús, Argentina
- Escuela de Bio y Nanotecnologías (UNSAM), San Martin, Argentina
| | - Eduardo De Gerónimo
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- Estación Experimental Agropecuaria, Instituto Nacional de Tecnología Agropecuaria, Buenos Aires, Argentina
| | - Fernando D Villarruel
- Instituto Tecnológico de Chascomús (CONICET-UNSAM), Chascomús, Argentina
- Escuela de Bio y Nanotecnologías (UNSAM), San Martin, Argentina
| | - Virgina C Aparicio
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- Estación Experimental Agropecuaria, Instituto Nacional de Tecnología Agropecuaria, Buenos Aires, Argentina
| | - Lorena Ashworth
- Instituto Multidisciplinario de Biología Vegetal (IMBIV, CONICET), Universidad Nacional de Córdoba (UNC), Córdoba, Argentina
| | - Rosa Erra-Balsells
- Departamento de Química Orgánica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellón II, 3er P, Ciudad Universitaria, Buenos Aires, Argentina
- CONICET, Universidad de Buenos Aires, Centro de Investigación en Hidratos de Carbono (CIHIDECAR), Facultad de Ciencias Exactas y Naturales, Pabellón II, 3er P, Ciudad Universitaria, Buenos Aires, Argentina
| | - Franco M Cabrerizo
- Instituto Tecnológico de Chascomús (CONICET-UNSAM), Chascomús, Argentina
- Escuela de Bio y Nanotecnologías (UNSAM), San Martin, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
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2
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Aksenov NA, Arutiunov NA, Aksenov AV, Kirilov NK, Aksenova IV, Aksenov DA, Aleksandrova EV, Rubin M, Kornienko A. Synthesis of β-Carbolines with Electrocyclic Cyclization of 3-Nitrovinylindoles. Int J Mol Sci 2023; 24:13107. [PMID: 37685914 PMCID: PMC10487476 DOI: 10.3390/ijms241713107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 08/19/2023] [Accepted: 08/21/2023] [Indexed: 09/10/2023] Open
Abstract
The β-carboline motif is common in drug discovery and among numerous biologically active natural products. However, its synthetic preparation relies on multistep sequences and heavily depends on the type of substitution required in the core of the desired β-carboline target. Herein, we demonstrate that this structural motif can be accessed with the microwave-assisted electrocyclic cyclization of heterotrienic aci (alkylideneazinic acid) forms of 3-nitrovinylindoles. The reaction can start with 3-nitrovinylindoles themselves under two sets of conditions. The first one involves microwave irradiation of butanolic solutions of 3-nitrovinylindoles, whereas the second one consists of prior Boc protection of indolic nitrogen, where the protecting group cleanly comes off during the course of the reaction. Alternatively, the reaction can start with 3-nitrovinylindoles prepared in situ using various processes. Finally, the reaction may utilize indoles with β-nitrostyrenes, likely involving the intermediacy of spirocyclic oxazolines, which rearrange to similar heterotrienic systems undergoing cyclization to β-carbolines. As part of this study, several natural products, namely, alkaloids norharmane, harmane, and eudistomin N, were synthesized.
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Affiliation(s)
- Nicolai A. Aksenov
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russia; (N.A.A.); (A.V.A.); (N.K.K.); (I.V.A.); (D.A.A.); (E.V.A.); (M.R.)
| | - Nikolai A. Arutiunov
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russia; (N.A.A.); (A.V.A.); (N.K.K.); (I.V.A.); (D.A.A.); (E.V.A.); (M.R.)
| | - Alexander V. Aksenov
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russia; (N.A.A.); (A.V.A.); (N.K.K.); (I.V.A.); (D.A.A.); (E.V.A.); (M.R.)
| | - Nikita K. Kirilov
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russia; (N.A.A.); (A.V.A.); (N.K.K.); (I.V.A.); (D.A.A.); (E.V.A.); (M.R.)
| | - Inna V. Aksenova
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russia; (N.A.A.); (A.V.A.); (N.K.K.); (I.V.A.); (D.A.A.); (E.V.A.); (M.R.)
| | - Dmitrii A. Aksenov
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russia; (N.A.A.); (A.V.A.); (N.K.K.); (I.V.A.); (D.A.A.); (E.V.A.); (M.R.)
| | - Elena V. Aleksandrova
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russia; (N.A.A.); (A.V.A.); (N.K.K.); (I.V.A.); (D.A.A.); (E.V.A.); (M.R.)
| | - Michael Rubin
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russia; (N.A.A.); (A.V.A.); (N.K.K.); (I.V.A.); (D.A.A.); (E.V.A.); (M.R.)
| | - Alexander Kornienko
- Department of Chemistry and Biochemistry, Texas State University, 601 University Dr., San Marcos, TX 78666, USA
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Barresi E, Robello M, Baglini E, Poggetti V, Viviano M, Salerno S, Da Settimo F, Taliani S. Indol-3-ylglyoxylamide as Privileged Scaffold in Medicinal Chemistry. Pharmaceuticals (Basel) 2023; 16:997. [PMID: 37513909 PMCID: PMC10386336 DOI: 10.3390/ph16070997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/05/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
In recent years, indolylglyoxylamide-based derivatives have received much attention due to their application in drug design and discovery, leading to the development of a wide array of compounds that have shown a variety of pharmacological activities. Combining the indole nucleus, already validated as a "privileged structure," with the glyoxylamide function allowed for an excellent template to be obtained that is suitable to a great number of structural modifications aimed at permitting interaction with specific molecular targets and producing desirable therapeutic effects. The present review provides insight into how medicinal chemists have elegantly exploited the indolylglyoxylamide moiety to obtain potentially useful drugs, with a particular focus on compounds exhibiting activity in in vivo models or reaching clinical trials. All in all, this information provides exciting new perspectives on existing data that can be useful in further design of indolylglyoxylamide-based molecules with interesting pharmacological profiles. The aim of this report is to present an update of collection data dealing with the employment of this moiety in the rational design of compounds that are able to interact with a specific target, referring to the last 20 years.
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Affiliation(s)
- Elisabetta Barresi
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy
| | - Marco Robello
- Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health, 9000 Rockville Pike, Bethesda, MD 20892, USA
| | - Emma Baglini
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy
| | - Valeria Poggetti
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy
| | - Monica Viviano
- Department of Pharmacy, University of Salerno, 84084 Fisciano, Italy
| | - Silvia Salerno
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy
| | - Federico Da Settimo
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy
| | - Sabrina Taliani
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy
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Pal R, Teli G, Akhtar MJ, Matada GSP. The role of natural anti-parasitic guided development of synthetic drugs for leishmaniasis. Eur J Med Chem 2023; 258:115609. [PMID: 37421889 DOI: 10.1016/j.ejmech.2023.115609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 06/15/2023] [Accepted: 06/26/2023] [Indexed: 07/10/2023]
Abstract
Leishmaniasis is a parasitic disease and categorised as a neglected tropical disease (NTD). Each year, between 70,0000 and 1 million new cases are believed to occur. There are approximately 90 sandfly species which can spread the Leishmania parasites (over 20 species) causing 20,000 to 30,000 death per year. Currently, leishmaniasis has no specific therapeutic treatment available. The prescribed drugs with several drawbacks including high cost, challenging administration, toxicity, and drug resistance led to search for the alternative treatment with less toxicity and selectivity. Introducing the molecular features like that of phytoconstituents for the search of compounds with less toxicity is another promising approach. The current review classifies the synthetic compounds according to the core rings present in the natural phytochemicals for the development of antileishmanial agents (2020-2022). Considering the toxicity and limitations of synthetic analogues, natural compounds are at the higher notch in terms of effectiveness and safety. Synthesized compounds of chalcones (Compound 8; IC50: 0.03 μM, 4.7 folds more potent than Amphotericin B; IC50: 0.14 μM), pyrimidine (compound 56; against L. tropica; 0.04 μM and L. infantum; 0.042 μM as compared to glucantime: L. tropica; 8.17 μM and L. infantum; 8.42 μM), quinazoline and (compound 72; 0.021 μM, 150 times more potent than miltefosine). The targeted delivery against DHFR have been demonstrated by one of the pyrimidine compounds 62 with an IC50 value of 0.10 μM against L. major as compared to the standard trimethoprim (IC50: 20 μM). The review covers the medicinal importance of antileishmanial agents from synthetic and natural sources such as chalcone, pyrazole, coumarins, steroids, and alkaloidal-containing drugs (indole, quinolines, pyridine, pyrimidine, carbolines, pyrrole, aurones, and quinazolines). The efforts of introducing the core rings present in the natural phytoconstituents as antileishmanial in the synthetic compounds are discussed with their structural activity relationship. The perspective will support the medicinal chemists in refining and directing the development of novel molecules phytochemicals-based antileishmanial agents.
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Affiliation(s)
- Rohit Pal
- Integrated Drug Discovery Centre, Department of Pharmaceutical Chemistry, Acharya & BM Reddy College of Pharmacy, Bengaluru, 560107, Karnataka, India.
| | - Ghanshyam Teli
- Integrated Drug Discovery Centre, Department of Pharmaceutical Chemistry, Acharya & BM Reddy College of Pharmacy, Bengaluru, 560107, Karnataka, India.
| | - Md Jawaid Akhtar
- Department of Pharmaceutical Chemistry, National University of Science and Technology, PO 620, PC 130, Azaiba Bousher, Muscat, Sultanate of Oman
| | - Gurubasavaraja Swamy Purawarga Matada
- Integrated Drug Discovery Centre, Department of Pharmaceutical Chemistry, Acharya & BM Reddy College of Pharmacy, Bengaluru, 560107, Karnataka, India.
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Sousa LR, Oliveira AGS, Arantes A, Junqueira JGM, Alexandre GP, Severino VGP, Reis RM, Kim B, Ribeiro RIMA. Acetogenins-Rich Fractions of Annona coriacea Suppress Human Glioblastoma Viability and Migration by Regulating Necroptosis and MMP-2 Activity In Vitro. Molecules 2023; 28:molecules28093809. [PMID: 37175219 PMCID: PMC10179884 DOI: 10.3390/molecules28093809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 01/18/2023] [Accepted: 01/21/2023] [Indexed: 05/15/2023] Open
Abstract
Glioblastoma (GBM) is an incurable primary brain tumor with a poor prognosis. Resection, radiation therapy, and temozolomide (TMZ) are insufficient to increase survival, making the treatment limited. Thus, the search for more effective and specific treatments is essential, making plants a promising source for elucidating new anti-glioblastoma compounds. Accordingly, this study investigated the effects of four fractions of hexane and ethyl acetate extract of Annona coriacea Mart., enriched with acetogenins, against GBM cell lines. All four fractions were selectively cytotoxic to GBM cells when compared to TMZ. Moreover, A. coriacea fractions delayed cell migration; reduced cytoplasmic projections, the metalloproteinase 2 (MMP-2) activity; and induced morphological changes characteristic of necroptosis, possibly correlated with the increase in receptor-interacting protein kinase 1 and 3 (RIP-1 and RIP-3), apoptosis-inducing factor (AIF), and the non-activation of cleaved caspase 8. The present findings reinforce that fractions of A. coriacea Mart. should be considered for more studies focusing treatment of GBM.
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Affiliation(s)
- Lorena R Sousa
- Experimental Pathology Laboratory, Federal University of São João del Rei (UFSJ), 400, Sebastião Gonçalves Coelho, Chanadour, Divinópolis 35501-296, MG, Brazil
| | - Ana Gabriela S Oliveira
- Experimental Pathology Laboratory, Federal University of São João del Rei (UFSJ), 400, Sebastião Gonçalves Coelho, Chanadour, Divinópolis 35501-296, MG, Brazil
| | - Antônio Arantes
- Experimental Pathology Laboratory, Federal University of São João del Rei (UFSJ), 400, Sebastião Gonçalves Coelho, Chanadour, Divinópolis 35501-296, MG, Brazil
| | - João Gabriel M Junqueira
- Institute of Chemistry, Federal University of Goiás (UFG), University Campus, Goiânia 74968-755, GO, Brazil
| | - Gerso P Alexandre
- Institute of Chemistry, Federal University of Goiás (UFG), University Campus, Goiânia 74968-755, GO, Brazil
| | - Vanessa G P Severino
- Institute of Chemistry, Federal University of Goiás (UFG), University Campus, Goiânia 74968-755, GO, Brazil
| | - Rui Manuel Reis
- Molecular Oncology Research Center, Barretos Cancer Hospital, Barretos 14784-400, SP, Brazil
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B's-PT Government Associate Laboratory, 4710-057 Braga, Portugal
- ICVS/3B's-PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
| | - Bonglee Kim
- College of Medicine, Kyung Hee University, Seoul 02453, Republic of Korea
| | - Rosy I M A Ribeiro
- Experimental Pathology Laboratory, Federal University of São João del Rei (UFSJ), 400, Sebastião Gonçalves Coelho, Chanadour, Divinópolis 35501-296, MG, Brazil
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Aksenov NA, Arutiunov NA, Aksenov AV, Aksenova IV, Aleksandrova EV, Aksenov DA, Rubin M. Nitrovinylindoles as Heterotrienes: Electrocyclic Cyclization En Route to β-Carbolines: Total Synthesis of Alkaloids Norharmane, Harmane, and Eudistomin N. Org Lett 2022; 24:7062-7066. [PMID: 36166488 DOI: 10.1021/acs.orglett.2c02483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Unusual cascade transformation was developed involving microwave assisted electrocyclic cyclization of aci (alkylideneazinic acid) forms of nitrovinylindoles acting as heterotrienes. Subsequent one-pot reduction allowed for efficient access to β-carbolines, including several natural products, alkaloids norharmane, harmane and eudistomin N.
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Affiliation(s)
- Nicolai A Aksenov
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russian Federation
| | - Nikolai A Arutiunov
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russian Federation
| | - Alexander V Aksenov
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russian Federation
| | - Inna V Aksenova
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russian Federation
| | - Elena V Aleksandrova
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russian Federation
| | - Dmitrii A Aksenov
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russian Federation
| | - Michael Rubin
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russian Federation.,Department of Chemistry, University of Kansas, 1567 Irving Hill Road, Lawrence, Kansas 66045, United States
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7
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Synthesis and Spectroscopic Characterization of Nicotinaldehyde Based Derivatives: SC-XRD, Linear and Non-Linear Optical Studies. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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8
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Traditional Uses, Phytochemistry and Pharmacological Activities of Annonacae. Molecules 2022; 27:molecules27113462. [PMID: 35684400 PMCID: PMC9182277 DOI: 10.3390/molecules27113462] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 05/17/2022] [Accepted: 05/23/2022] [Indexed: 12/02/2022] Open
Abstract
In 1789, the Annonaceae family was catalogued by de Jussieu. It encompasses tropical and subtropical plants which are widespread in distribution across various continents such as Asia, South and Central America, Australia and Africa. The genus of Annona is one of 120 genera of the Annonaceae family and contains more than 119 species of trees and shrubs. Most species are found in tropical America, where over 105 species have been identified. Due to its edible fruits and medicinal properties, Annona is the most studied genus of Annonaceae family. To date, only a limited number of these species have economic value, including A. squamosa L. (sugar apple), A. cherimola Mill. (Cherimoya), A. muricata L. (guanabana or soursop), A. atemoya Mabb. (atemoya), a hybrid between A. cherimola and A. squamosa, A. reticulata L. (custard apple), A. glabra L. (pond-apple) and A. macroprophyllata Donn. Sm. (ilama). Phytochemically, several classes of secondary metabolites, including acetogenins, essential oils, alkaloids, terpenoids and flavonoids. The pharmacological activities of Annona species leaves and seeds include antibacterial, anticancer, antidiabetic and anti-inflammatory properties.
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Enninful KS, Kwofie SK, Tetteh-Tsifoanya M, Lamptey ANL, Djameh G, Nyarko S, Ghansah A, Wilson MD. Targeting the Plasmodium falciparum’s Thymidylate Monophosphate Kinase for the Identification of Novel Antimalarial Natural Compounds. Front Cell Infect Microbiol 2022; 12:868529. [PMID: 35694550 PMCID: PMC9174469 DOI: 10.3389/fcimb.2022.868529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 04/25/2022] [Indexed: 11/13/2022] Open
Abstract
Recent reports of resistance to artemisinin-based combination drugs necessitate the need to discover novel antimalarial compounds. The present study was aimed at identifying novel antimalarial compounds from natural product libraries using computational methods. Plasmodium falciparum is highly dependent on the pyrimidine biosynthetic pathway, a de novo pathway responsible for the production of pyrimidines, and the parasite lacks the pyrimidine salvage enzymes. The P. falciparum thymidylate monophosphate kinase (PfTMPK) is an important protein necessary for rapid DNA replication; however, due to its broad substrate specificity, the protein is distinguished from its homologs, making it a suitable drug target. Compounds from AfroDB, a database of natural products originating from Africa, were screened virtually against PfTMPK after filtering the compounds for absorption, distribution, metabolism, excretion, and toxicity (ADMET)-acceptable compounds with FAF-Drugs4. Thirteen hits with lower binding energies than thymidine monophosphate were selected after docking. Among the thirteen compounds, ZINC13374323 and ZINC13365918 with binding energies of −9.4 and −8.9 kcal/mol, respectively, were selected as plausible lead compounds because they exhibited structural properties that ensure proper binding at the active site and inhibitory effect against PfTMPK. ZINC13374323 (also called aurantiamide acetate) is known to exhibit anti-inflammatory and antiviral activities, and ZINC13365918 exhibits antileishmanial activity. Furthermore, aurantiamide acetate, which is commercially available, is a constituent of Artemisia annua, the herb from which artemisinin was derived. The compound also shares interactions with several residues with a potent thymidine analog inhibitor of PfTMPK. The anti-plasmodial activity of aurantiamide acetate was evaluated in vitro, and the mean half-maximal inhibitory concentration (IC50) was 69.33 μM when synchronized P. falciparum 3D7 culture was used as compared to IC50 > 100 μM with asynchronized culture. The significance of our findings within the context of malaria treatment strategies and challenges is discussed.
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Affiliation(s)
- Kweku S. Enninful
- Department of Parasitology, Noguchi Memorial Institute for Medical Research, University of Ghana, Accra, Ghana
| | - Samuel K. Kwofie
- Department of Biomedical Engineering, School of Engineering Sciences, University of Ghana, Accra, Ghana
- West African Centre for Cell Biology of Infectious Pathogens, College of Basic and Applied Sciences, University of Ghana, Accra, Ghana
| | - Mark Tetteh-Tsifoanya
- Department of Parasitology, Noguchi Memorial Institute for Medical Research, University of Ghana, Accra, Ghana
| | - Amanda N. L. Lamptey
- Department of Parasitology, Noguchi Memorial Institute for Medical Research, University of Ghana, Accra, Ghana
| | - Georgina Djameh
- Department of Parasitology, Noguchi Memorial Institute for Medical Research, University of Ghana, Accra, Ghana
| | - Samuel Nyarko
- Department of Parasitology, Noguchi Memorial Institute for Medical Research, University of Ghana, Accra, Ghana
| | - Anita Ghansah
- Department of Parasitology, Noguchi Memorial Institute for Medical Research, University of Ghana, Accra, Ghana
| | - Michael D. Wilson
- Department of Parasitology, Noguchi Memorial Institute for Medical Research, University of Ghana, Accra, Ghana
- Stritch School of Medicine, Loyola University of Chicago, Maywood, IL, United States
- *Correspondence: Michael D. Wilson,
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10
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Araújo CDS, Nery DA, Oliveira APD, Oliveira-Júnior RGD, Rolim LA, Lopes NP, Silva MFDS, Pessoa CDÓ, Braz-Filho R, Dutra LM, Tavares JF, Abreu LS, Silva MSD, Almeida JRGDS. New ent-kaurene-type nor-diterpene and other compounds isolated from Annona vepretorum Mart. (Annonaceae). Nat Prod Res 2022; 37:1565-1572. [PMID: 35045773 DOI: 10.1080/14786419.2022.2027408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
A new nor-ent-kaurene diterpene and ten other compounds were isolated from Annona vepretorum stems, including four kaurene diterpenes, three alkamides, one sesquiterpene and two steroids. Their chemical structures were elucidated using spectroscopic methods, including 1D-, 2D-NMR, and HRESIMS. The absolute configuration of compounds 1, 5, 8, 9 and 10 was confirmed by CD experiments. Compounds 1-5 and 8-10 were evaluated for cytotoxic activity using (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) MTT method, against three human carcinoma cell lines: human colon (HCT-116), glioblastoma (SF295) and prostate (PC3). However, all isolated compounds exhibited low cytotoxic activity.
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Affiliation(s)
- Camila de Souza Araújo
- Center for Studies and Research of Medicinal Plants (NEPLAME), Federal University of the San Francisco Valley (UNIVASF), Petrolina, Pernambuco, Brazil
| | - Daniel Amando Nery
- Center for Studies and Research of Medicinal Plants (NEPLAME), Federal University of the San Francisco Valley (UNIVASF), Petrolina, Pernambuco, Brazil
| | - Ana Paula de Oliveira
- Center for Studies and Research of Medicinal Plants (NEPLAME), Federal University of the San Francisco Valley (UNIVASF), Petrolina, Pernambuco, Brazil
| | - Raimundo Gonçalves de Oliveira-Júnior
- Center for Studies and Research of Medicinal Plants (NEPLAME), Federal University of the San Francisco Valley (UNIVASF), Petrolina, Pernambuco, Brazil
| | - Larissa Araújo Rolim
- Center for Studies and Research of Medicinal Plants (NEPLAME), Federal University of the San Francisco Valley (UNIVASF), Petrolina, Pernambuco, Brazil
| | | | | | | | - Raimundo Braz-Filho
- State University of North Fluminense (UENF), Rio de Janeiro, Rio de Janeiro, Brazil
| | - Lívia Macedo Dutra
- Center for Studies and Research of Medicinal Plants (NEPLAME), Federal University of the San Francisco Valley (UNIVASF), Petrolina, Pernambuco, Brazil
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11
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Heravi MM, Abedian‐Dehaghani N, Zadsirjan V, Rangraz Y. Catalytic Function of Cu (I) and Cu (II) in Total Synthesis of Alkaloids. ChemistrySelect 2021. [DOI: 10.1002/slct.202101130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Majid M. Heravi
- Department of Chemistry School of Physics and Chemistry Alzahra University, PO.Box 1993891176, Vanak Tehran Iran
| | - Neda Abedian‐Dehaghani
- Department of Chemistry School of Physics and Chemistry Alzahra University, PO.Box 1993891176, Vanak Tehran Iran
| | - Vahideh Zadsirjan
- Department of Chemistry School of Physics and Chemistry Alzahra University, PO.Box 1993891176, Vanak Tehran Iran
| | - Yalda Rangraz
- Department of Chemistry School of Physics and Chemistry Alzahra University, PO.Box 1993891176, Vanak Tehran Iran
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Shaala LA, Alzughaibi T, Genta-Jouve G, Youssef DTA. Fusaripyridines A and B; Highly Oxygenated Antimicrobial Alkaloid Dimers Featuring an Unprecedented 1,4-Bis(2-hydroxy-1,2-dihydropyridin-2-yl)butane-2,3-dione Core from the Marine Fungus Fusarium sp. LY019. Mar Drugs 2021; 19:md19090505. [PMID: 34564167 PMCID: PMC8471507 DOI: 10.3390/md19090505] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 08/28/2021] [Accepted: 09/03/2021] [Indexed: 11/16/2022] Open
Abstract
The fungal strain, Fusarium sp. LY019, was obtained from the Red Sea sponge Suberea mollis. Bioassay-directed partition of the antimicrobial fraction of the extract of the culture of the fungus provided two dimeric alkaloids, fusaripyridines A and B (1 and 2). The compounds possess a previously unreported moiety, 1,4-bis(2-hydroxy-1,2-dihydropyridin-2-yl)butane-2,3-dione. Further, the compounds display a highly oxygenated substitution pattern on the dihydropyridine moieties, representing an additional feature of the fusaripyridines. Fusaripyridines A and B are the first examples of natural products possessing 1,4-bis(2-hydroxy-1,2-dihydropyridin-2-yl)butane-2,3-dione backbone. Careful analyses of the one- and two-dimensional NMR and HRESIMS spectra of the compounds secured their structural mapping, while their absolute stereochemistry was established by analyses of their ECD spectra. The production of such dimeric alkaloids with an unprecedented moiety in the culture of Fusarium sp. LY019 supports further understanding of the biosynthetic competences of the cultured marine-derived fungi. Fusaripyridines A and B selectively inhibited the growth of Candida albicans with MIC values down to 8.0 µM, while they are moderately active against S. aureus, E. coli and HeLa cells.
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Affiliation(s)
- Lamiaa A. Shaala
- Natural Products Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
- Suez Canal University Hospital, Suez Canal University, Ismailia 41522, Egypt
- Correspondence: (L.A.S.); (D.T.A.Y.); Tel.: +966-548-535-344 (D.T.A.Y.)
| | - Torki Alzughaibi
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Grégory Genta-Jouve
- UMR 8038 CiTCoM, Faculté de Pharmacie de Paris, Université Paris Descartes, Avenue de l’observatoire, 75006 Paris, France;
- Molecules of Communication and Adaptation of Microorganisms (UMR 7245), National Museum of Natural History, CNRS, 75231 Paris, France
| | - Diaa T. A. Youssef
- Department of Natural Products, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Correspondence: (L.A.S.); (D.T.A.Y.); Tel.: +966-548-535-344 (D.T.A.Y.)
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Tandi M, Sundriyal S. Recent trends in the design of antimicrobial agents using Ugi-multicomponent reaction. J INDIAN CHEM SOC 2021. [DOI: 10.1016/j.jics.2021.100106] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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14
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Nogueira da Silva Avelino Oliveira Rocha G, Dutra LM, Pinheiro Paz WH, Araujo da Silva FM, Costa EV, Guedes da Silva Almeida JR. Chemical constituents from the leaves and branches of Annona coriacea Mart. (Annonaceae). BIOCHEM SYST ECOL 2021. [DOI: 10.1016/j.bse.2021.104297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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15
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Benzylated Dihydroflavones and Isoquinoline-Derived Alkaloids from the Bark of Diclinanona calycina (Annonaceae) and Their Cytotoxicities. Molecules 2021; 26:molecules26123714. [PMID: 34207059 PMCID: PMC8235387 DOI: 10.3390/molecules26123714] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/19/2021] [Accepted: 05/28/2021] [Indexed: 11/16/2022] Open
Abstract
Diclinanona calycina R. E. Fries popularly known as "envira", is a species of the Annonaceae family endemic to Brazil. In our ongoing search for bioactive compounds from Annonaceae Amazon plants, the bark of D. calycina was investigated by classical chromatography techniques that yielded thirteen compounds (alkaloids and flavonoids) described for the first time in D. calycina as well as in the genus Diclinanona. The structure of these isolated compounds were established by extensive analysis using 1D/2D-NMR spectroscopy in combination with MS. The isolated alkaloids were identified as belonging to the subclasses: simple isoquinoline, thalifoline (1); aporphine, anonaine (2); oxoaporphine, liriodenine (3); benzyltetrahydroisoquinolines, (S)-(+)-reticuline (4); dehydro-oxonorreticuline (3,4-dihydro-7-hydroxy-6-methoxy-1-isoquinolinyl)(3-hydroxy-4-methoxyphenyl)-methanone) (5); (+)-1S,2R-reticuline Nβ-oxide (6); and (+)-1S,2S-reticuline Nα-oxide (7); tetrahydroprotoberberine, coreximine (8); and pavine, bisnorargemonine (9). While the flavonoids belong to the benzylated dihydroflavones, isochamanetin (10), dichamanetin (11), and a mixture of uvarinol (12) and isouvarinol (13). Compound 5 is described for the first time in the literature as a natural product. The cytotoxic activity of the main isolated compounds was evaluated against cancer and non-cancerous cell lines. Among the tested compounds, the most promising results were found for the benzylated dihydroflavones dichamanetin (10), and the mixture of uvarinol (12) and isouvarinol (13), which presented moderate cytotoxic activity against the tested cancer cell lines (<20.0 µg·mL-1) and low cytotoxicity against the non-cancerous cell line MRC-5 (>25.0 µg·mL-1). Dichamanetin (11) showed cytotoxic activity against HL-60 and HCT116 with IC50 values of 15.78 µg·mL-1 (33.70 µmol·L-1) and 18.99 µg·mL-1 (40.56 µmol·L-1), respectively while the mixture of uvarinol (12) and isouvarinol (13) demonstrated cytotoxic activity against HL-60, with an IC50 value of 9.74 µg·mL-1, and HCT116, with an IC50 value of 17.31 µg·mL-1. These cytotoxic activities can be attributed to the presence of one or more hydroxybenzyl groups present in these molecules as well as the position in which these groups are linked. The cytotoxic activities of reticuline, anonaine and liriodenine have been previously established, with liriodenine being the most potent compound.
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Kumar V, Sachdeva C, Waidha K, Sharma S, Ray D, Kumar Kaushik N, Saha B. In Vitro and In Silico Anti‐plasmodial Evaluation of Newly Synthesized β‐Carboline Derivatives. ChemistrySelect 2021. [DOI: 10.1002/slct.202101355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Vipin Kumar
- Amity Institute of Click Chemistry Research and Studies Amity University Sector 125 Noida 201313, Uttar Pradesh India
| | - Cheryl Sachdeva
- Amity Institute of Virology and Immunology Institution Amity University Sector 125 Noida 201313, Uttar Pradesh India
| | - Kamran Waidha
- Amity Institute of Biotechnology Amity University Sector 125 Noida 201313, Uttar Pradesh India
| | - Sunil Sharma
- Chemical Engineering Department National Tsing Hua University Hsinchu Taiwan 30013
| | - Devalina Ray
- Amity Institute of Biotechnology Amity University Sector 125 Noida 201313, Uttar Pradesh India
| | - Naveen Kumar Kaushik
- Amity Institute of Virology and Immunology Institution Amity University Sector 125 Noida 201313, Uttar Pradesh India
| | - Biswajit Saha
- Amity Institute of Biotechnology Amity University Sector 125 Noida 201313, Uttar Pradesh India
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Wadanambi PM, Mannapperuma U. Computational study to discover potent phytochemical inhibitors against drug target, squalene synthase from Leishmania donovani. Heliyon 2021; 7:e07178. [PMID: 34141935 PMCID: PMC8188062 DOI: 10.1016/j.heliyon.2021.e07178] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 02/15/2021] [Accepted: 05/27/2021] [Indexed: 12/11/2022] Open
Abstract
AIMS The parasite, Leishmania donovani is responsible for lethal visceral leishmaniasis (VL) in humans. There is a need to investigate novel medicines as antileishmanial drugs, as medication currently introduced for leishmaniasis may cause resistance, serious side-effects, chemical instability and high cost. Therefore, this computational study was designed to explore potential phytochemical inhibitors against Leishmania donovani squalene synthase (LdSQS) enzyme, a drug target. MAIN METHODS Multiple sequence alignment was carried to detect conserved regions across squalene synthases from different Leishmania spp. Their evolutionary relationships were studied by generating phylogenetic tree. Homology modeling method was used to build a three dimensional model of the protein. The validated model was explored by docking simulation with the phytochemicals of interest to identify the most potent inhibitors. Two reported inhibitors were used as references in the virtual screening. The top hit compounds (binding energy less than -9 kcal/mol) were further subjected to intermolecular interaction analysis, pharmacophore modeling, pharmacokinetic and toxicity prediction. KEY FINDINGS Seven phytochemicals displayed binding energies less than -9 kcal/mol hence demonstrating ability to be strongly bound to the active site of LdSQS to inhibit the enzymatic activity. Ancistrotanzanine B demonstrated the lowest binding affinity of -9.83 kcal/mol superior to reported inhibitors in literature. Conserved two aspartate rich regions and two signatory motifs were found in the L. donovani squalene synthase by multiple sequence alignment. In addition, study of pharmacophore modeling confirmed that top hit phytochemicals and the reported inhibitor (E5700) share common chemical features for their biochemical interaction with LdSQS. Among seven phytochemicals, 3-O-methyldiplacol showed admissible physicochemical, pharmacokinetic and toxicity predictions compared to the reported inhibitors. All seven phytochemicals satisfied in silico prediction criteria for oral bioavailability. SIGNIFICANCE Based on the current study, these hits can be further structurally optimized and validated under laboratory conditions to develop antileishmanial drugs.
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Affiliation(s)
| | - Uthpali Mannapperuma
- Department of Pharmacology, Faculty of Medicine, University of Colombo, Sri Lanka
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Soni JP, Yeole Y, Shankaraiah N. β-Carboline-based molecular hybrids as anticancer agents: a brief sketch. RSC Med Chem 2021; 12:730-750. [PMID: 34124672 PMCID: PMC8152596 DOI: 10.1039/d0md00422g] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 02/28/2021] [Indexed: 01/19/2023] Open
Abstract
Cancer is a huge burden on the healthcare system and is foremost cause of mortality across the globe. Among various therapeutic strategies, chemotherapy plays an enormous role in overcoming the challenges of treating cancer, especially in late stage detection. However, limitations such as extreme side/adverse effects and drug resistance associated with available drugs have impelled the development of novel chemotherapeutic agents. In this regard, we have reviewed the development of β-carboline-based chemotherapeutic agents reported in last five years. The review mainly emphasizes on the molecular hybrids of β-carbolines with various pharmacophores, their synthetic strategies, and in vitro anticancer evaluation. In addition, the mechanisms of action, in silico studies, structural influence on the potency and selectivity among diverse cancer cell lines have been critically presented. The review updates readers on the diverse molecular hybrids prepared and the governing structural features of high potential molecules that can help in the future development of novel cytotoxic agents.
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Affiliation(s)
- Jay Prakash Soni
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad 500037 India
| | - Yogesh Yeole
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad 500037 India
| | - Nagula Shankaraiah
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad 500037 India
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Waidha K, Saxena A, Kumar P, Sharma S, Ray D, Saha B. Design and identification of novel annomontine analogues against SARS-CoV-2: An in-silico approach. Heliyon 2021; 7:e06657. [PMID: 33824915 PMCID: PMC8017494 DOI: 10.1016/j.heliyon.2021.e06657] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 08/20/2020] [Accepted: 03/29/2021] [Indexed: 12/27/2022] Open
Abstract
AIMS COVID-19 has currently emerged as the major global pandemic affecting the lives of people across the globe. It broke out from Wuhan Province of China, first reported to WHO on 31st December 2019 as "Pneumonia of unknown cause". Over time more people were infected with this virus, and the only tactic to ensure safety was to take precautionary measures due to the lack of any effective treatment or vaccines. As a result of unavailability of desired efficacy for previously repurposed drugs, exploring novel scaffolds against the virus has become the need of the hour. MAIN METHODS In the present study, 23 new annomontine analogues were designed representing β-Carboline based scaffolds. A hypothesis on its role as an effective ligand was laid for target-specific binding in SARS-CoV-2. These molecules were used for molecular docking analysis against the multiple possible drug targets using the Maestro Interface. To ensure the drug safety of these molecules ADME/Tox analysis was also performed. KEY FINDINGS The molecular docking analysis of the 23 novel molecules indicated the efficiency of these derivates against COVID-19. The efficiency of molecules was computed by the summation of the docking score against each target defined as LigE Score and compared against Hydroxycholoquine as a standard. Based on the docking score, the majority of the annomontine derivatives were found to have increased binding affinity with targets as compared to hydroxycholoquine. SIGNIFICANCE Due to the lack of efficiency, effectiveness, and failure of already repurposed drugs against the COVID-19, the exploration of the novel scaffold that can act as effective treatment is much needed. The current study hence emphasizes the potential of Annomontine based - β- Carboline derivatives as a potential drug candidate against COVID-19.
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Affiliation(s)
- Kamran Waidha
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Noida, 125, 201301, India
| | - Anjali Saxena
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Noida, 125, 201301, India
| | - Prashant Kumar
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Noida, 125, 201301, India
| | - Sunil Sharma
- Chemical Engineering Department, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Devalina Ray
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Noida, 125, 201301, India
| | - Biswajit Saha
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Noida, 125, 201301, India
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Szepesi Kovács D, Hajdu I, Mészáros G, Wittner L, Meszéna D, Tóth EZ, Hegedűs Z, Ranđelović I, Tóvári J, Szabó T, Szilágyi B, Milen M, Keserű GM, Ábrányi-Balogh P. Synthesis and characterization of new fluorescent boro-β-carboline dyes. RSC Adv 2021; 11:12802-12807. [PMID: 35423835 PMCID: PMC8697281 DOI: 10.1039/d1ra02132j] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 03/24/2021] [Indexed: 12/12/2022] Open
Abstract
The first representatives of the new fluorescent boro-β-carboline family were synthesized by the insertion of the difluoroboranyl group into the oxaza or diaza core. The resulting compounds showed good photophysical properties with fine Stokes-shifts in the range of 38-85 nm with blue and green emission. The energetics of the excitation states and molecular orbitals of two members were investigated by quantum chemical computations suggesting effects for the improved properties of diazaborinino-carbolines over oxazaborolo-carbolines. These properties nominated this chemotype as a new fluorophore for the development of fluorescent probes. As an example, diazaborinino-carbolines were used for the specific labeling of anti-Her2 antibody trastuzumab. The fluorescent conjugate showed a high fluorophore-antibody ratio and was confirmed as a useful tool for labeling and confocal microscopy imaging of tumour cells in vitro together with the ex vivo two-photon microscopy imaging of tumour slices.
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Affiliation(s)
- Dénes Szepesi Kovács
- Research Centre for Natural Sciences, Medicinal Chemistry Research Group POB 286 1519 Budapest Hungary +36-13826961
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics 1521 Budapest Hungary
| | - Imre Hajdu
- Research Centre for Natural Sciences, Medicinal Chemistry Research Group POB 286 1519 Budapest Hungary +36-13826961
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics 1521 Budapest Hungary
| | - Gergely Mészáros
- Research Centre for Natural Sciences, Comparative Psychophysiology Research Group POB 286 1519 Budapest Hungary
- Faculty of Information Technology and Bionics, Pázmány Péter Catholic University POB 278 1444 Budapest Hungary
| | - Lucia Wittner
- Research Centre for Natural Sciences, Comparative Psychophysiology Research Group POB 286 1519 Budapest Hungary
| | - Domokos Meszéna
- Research Centre for Natural Sciences, Comparative Psychophysiology Research Group POB 286 1519 Budapest Hungary
- Faculty of Information Technology and Bionics, Pázmány Péter Catholic University POB 278 1444 Budapest Hungary
| | - Estilla Zsófia Tóth
- Research Centre for Natural Sciences, Comparative Psychophysiology Research Group POB 286 1519 Budapest Hungary
- János Szentágothai Doctoral School of Neurosciences, Semmelweis University 1085 Budapest Hungary
| | - Zita Hegedűs
- National Institute of Oncology, Department of Experimental Pharmacology POB 21 1525 Budapest Hungary
| | - Ivan Ranđelović
- National Institute of Oncology, Department of Experimental Pharmacology POB 21 1525 Budapest Hungary
| | - József Tóvári
- National Institute of Oncology, Department of Experimental Pharmacology POB 21 1525 Budapest Hungary
| | - Tímea Szabó
- Egis Pharmaceuticals Plc., Directorate of Drug Substance Development POB 100 1475 Budapest Hungary
| | - Bence Szilágyi
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics 1521 Budapest Hungary
| | - Mátyás Milen
- Egis Pharmaceuticals Plc., Directorate of Drug Substance Development POB 100 1475 Budapest Hungary
| | - György Miklós Keserű
- Research Centre for Natural Sciences, Medicinal Chemistry Research Group POB 286 1519 Budapest Hungary +36-13826961
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics 1521 Budapest Hungary
| | - Péter Ábrányi-Balogh
- Research Centre for Natural Sciences, Medicinal Chemistry Research Group POB 286 1519 Budapest Hungary +36-13826961
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics 1521 Budapest Hungary
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Nardelli VB, Silva de Souza CA, da Silva Chaar J, Ferreira Koolen HH, Araújo da Silva FM, Costa EV. Isoquinoline-derived alkaloids and one terpene lactone from the leaves of Duguetia pycnastera (Annonaceae). BIOCHEM SYST ECOL 2021. [DOI: 10.1016/j.bse.2020.104206] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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22
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Rocha GNDSAO, Dutra LM, Lorenzo VP, Almeida JRGDS. Phytochemicals and biological properties of Annona coriacea Mart. (Annonaceae): A systematic review from 1971 to 2020. Chem Biol Interact 2021; 336:109390. [PMID: 33484716 DOI: 10.1016/j.cbi.2021.109390] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 12/21/2020] [Accepted: 01/18/2021] [Indexed: 11/28/2022]
Abstract
Annona coriacea Mart., popularly known as "marolo", "araticum" and "araticum-liso" is a species distributed in Paraguay and Brazil, and easily found in Caatinga, Cerrado, and Pantanal biomes. The araticum has been used in folk medicine to treat stomatitis, neuralgia, rheumatism, headaches, furuncle, ulcers, and dermatitis. This systematic review aimed to provide a comprehensive overview of the ethnomedicinal use, phytochemistry, and pharmacological activity of A. coriacea. A search for scientific articles of electronic databases (Science Direct, PubMed, Lilacs, Scopus, Google Scholar, Scielo, and Web of Science) was performed identifying studies published until November 2020. All papers considering traditional medicinal uses, phytochemistry, and pharmacological properties were included. Forty-six articles (n = 212 subjects) met the inclusion criteria set for this review. Of the 46 articles reviewed, 34 were focused on biological activity investigations, while 12 were limited to phytochemical studies. These studies showed the presence of a diversity of secondary metabolites such as acetogenins, sesquiterpenes, alkaloids, flavonoids, and diterpenes. To date, pharmacological tests have demonstrated significant biological activities of this plant, being the most promising anticancer, anti-inflammatory, antiulcer, and insecticide activities. Additionally, the medicinal utilization of A. coriacea appears to be promising, supporting its possible uses for human health with antioxidant, anxiolytic, antiulcer, insecticide, and antiparasitic activities. Ultimately, comprehensive studies involving clinical trials are required to validate the existing traditional practices and their related health benefits scientifically.
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Affiliation(s)
| | - Lívia Macedo Dutra
- Center for Studies and Research of Medicinal Plants (NEPLAME), Federal University of San Francisco Valley, 56, 304-205, Petrolina, PE, Brazil
| | - Vitor Prates Lorenzo
- Federal Institute of Education, Science and Technology of Sertão Pernambucano, 56, 316-686, Petrolina, PE, Brazil
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Khan I, Ibrar A, Zaib S. Alkynoates as Versatile and Powerful Chemical Tools for the Rapid Assembly of Diverse Heterocycles under Transition-Metal Catalysis: Recent Developments and Challenges. Top Curr Chem (Cham) 2021; 379:3. [PMID: 33398642 DOI: 10.1007/s41061-020-00316-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Accepted: 11/16/2020] [Indexed: 12/15/2022]
Abstract
Heterocycles, heteroaromatics and spirocyclic entities are ubiquitous components of a wide plethora of synthetic drugs, biologically active natural products, marketed pharmaceuticals and agrochemical targets. Recognizing their high proportion in drugs and rich pharmacological potential, these invaluable structural motifs have garnered significant interest, thus enabling the development of efficient catalytic methodologies providing access to architecturally complex and diverse molecules with high atom-economy and low cost. These chemical processes not only allow the formation of diverse heterocycles but also utilize a range of flexible and easily accessible building units in a single operation to discover diversity-oriented synthetic approaches. Alkynoates are significantly important, diverse and powerful building blocks in organic chemistry due to their unique and inherent properties such as the electronic bias on carbon-carbon triple bonds posed by electron-withdrawing groups or the metallic coordination site provided by carbonyl groups. The present review highlights the comprehensive picture of the utility of alkynoates (2007-2019) for the synthesis of various heterocycles (> 50 types) using transition-metal catalysts (Ru, Rh, Pd, Ir, Ag, Au, Pt, Cu, Mn, Fe) in various forms. The valuable function of versatile alkynoates (bearing multifunctional groups) as simple and useful starting materials is explored, thus cyclizing with an array of coupling partners to deliver a broad range of oxygen-, nitrogen-, sulfur-containing heterocycles alongside fused-, and spiro-heterocyclic compounds. In addition, these examples will also focus the scope and reaction limitations, as well as mechanistic investigations into the synthesis of these heterocycles. The biological significance will also be discussed, citing relevant examples of drug molecules highlighting each class of heterocycles. This review summarizes the recent developments in the synthetic methods for the synthesis of various heterocycles using alkynoates as readily available starting materials under transition-metal catalysis.
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Affiliation(s)
- Imtiaz Khan
- Department of Chemistry, School of Natural Sciences, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK.
- Manchester Institute of Biotechnology, The University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK.
| | - Aliya Ibrar
- Department of Chemistry, Faculty of Natural Sciences, The University of Haripur, Haripur, KPK-22620, Pakistan
| | - Sumera Zaib
- Department of Biochemistry, Faculty of Life Sciences, University of Central Punjab, Lahore, 54590, Pakistan
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Singh S, Dhanawat M, Gupta S, Kumar D, Kakkar S, Nair A, Verma I, Sharma P. Naturally Inspired Pyrimidines Analogues for Alzheimer's Disease. Curr Neuropharmacol 2021; 19:136-151. [PMID: 33176653 PMCID: PMC8033975 DOI: 10.2174/1570159x18666201111110136] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 10/28/2020] [Accepted: 11/06/2020] [Indexed: 01/17/2023] Open
Abstract
Alzheimer's disease (AD) is a multifarious and developing neurodegenerative disorder. The treatment of AD is still a challenge and availability of drug therapy on the basis of symptoms is not up to the mark. In the context of existence, which is getting worse for the human brain, it is necessary to take care of all critical measures. The disease is caused due to multidirectional pathology of the body, which demands the multi-target-directed ligand (MTDL) approach. This gives hope for new drugs for AD, summarized here in with the pyrimidine based natural product inspired molecule as a lead. The review is sufficient in providing a list of chemical ingredients of the plant to cure AD and screen them against various potential targets of AD. The synthesis of a highly functionalized scaffold in one step in a single pot without isolating the intermediate is a challenging task. In few examples, we have highlighted the importance of this kind of reaction, generally known as multi-component reaction. Multi-component is a widely accepted technique by the drug discovery people due to its high atom economy. It reduces multi-step process to a one-step process, therefore the compounds library can be made in minimum time and cost. This review has highlighted the importance of multicomponent reactions by giving the example of active scaffolds of pyrimidine/fused pyrimidines. This would bring importance to the fast as well as smart synthesis of bio-relevant molecules.
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Affiliation(s)
- Shivani Singh
- Department of Pharmaceutical Sciences, Somany College of Pharmacy, Rewari, Haryana, India
- Department of Pharmaceutical Sciences, Maharishi Dayanand University, Rohtak, Haryana, India
| | - Meenakshi Dhanawat
- Department of Pharmaceutical Sciences, M. M. College of Pharmacy, M. M. (Deemed to be University), Mullana, (Ambala), Haryana, India
| | - Sumeet Gupta
- Department of Pharmaceutical Sciences, M. M. College of Pharmacy, M. M. (Deemed to be University), Mullana, (Ambala), Haryana, India
| | - Deepak Kumar
- Department of Pharmaceutical Sciences, Indra Gandhi University, Mirpur, Rewari Haryana, India
| | - Saloni Kakkar
- Department of Pharmaceutical Sciences, Maharishi Dayanand University, Rohtak, Haryana, India
| | - Anroop Nair
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Inderjeet Verma
- Department of Pharmaceutical Sciences, M. M. College of Pharmacy, M. M. (Deemed to be University), Mullana, (Ambala), Haryana, India
| | - Prerna Sharma
- Department of Pharmaceutical Sciences, M. M. College of Pharmacy, M. M. (Deemed to be University), Mullana, (Ambala), Haryana, India
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Ahmad I, Fakhri S, Khan H, Jeandet P, Aschner M, Yu ZL. Targeting cell cycle by β-carboline alkaloids in vitro: Novel therapeutic prospects for the treatment of cancer. Chem Biol Interact 2020; 330:109229. [PMID: 32835667 DOI: 10.1016/j.cbi.2020.109229] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 07/25/2020] [Accepted: 08/18/2020] [Indexed: 12/19/2022]
Abstract
Cell cycle dysregulation is the mainstay of aberrant cell proliferation, which leads to tumor progression. Mutations in tumor cells initiate various dysregulated pathways and spontaneous over-proliferation with genomic/chromosomal instability. Despite advances in cancer therapy, it has remained a medicinal challenge to treat. Besides, the complexity of pathophysiological pathways behind cancer raises the need for novel multi-target agents, possessing fewer side effects. Alkaloid-based therapies have been explored so far to target cell division in cancer, including vinca alkaloids. As a class of hopeful β-carboline derivatives, growing evidence has indicated their auspicious roles in combating cancer by inhibiting topoisomerase (TOPO), kinesin Eg5, telomerase, cyclin-dependent kinase (CDK), IκB kinase (IKK), and polo-like kinase-1 (PLK1) in the transition phases of cell cycle. In this review, in vitro potential of β-carboline has been revealed through targeting cell division cycle at different phases. In conclusion, β-carboline alkaloids could be introduced as novel candidates in cancer therapy.
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Affiliation(s)
- Imad Ahmad
- Department of Pharmacy, Abdul Wali Khan University Mardan, 23200, Pakistan.
| | - Sajad Fakhri
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, 6734667149, Iran.
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University Mardan, 23200, Pakistan.
| | - Philippe Jeandet
- Induced Resistance and Plant Bioprotection, Faculty of Sciences University of Reims Champagne-Ardenne, Reims Cedex, 51687, France.
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine Forchheimer 209 1300 Morris Park Avenue Bronx, NY, 10461, USA.
| | - Zhi-Ling Yu
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China.
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Brígido HPC, Correa-Barbosa J, da Silva-Silva JV, Costa EVS, Percário S, Dolabela MF. Antileishmanial activity of Annona species (Annonaceae). SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-03340-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Lorenzo VP, Scotti L, da Silva Almeida JRG, Scotti MT. Annonaceae Family Alkaloids as Agents Against Leishmaniasis: A Review and Molecular Docking Evaluation. Curr Drug Metab 2020; 21:482-492. [PMID: 32614742 DOI: 10.2174/1389200221666200702124046] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 04/27/2020] [Accepted: 05/12/2020] [Indexed: 11/22/2022]
Abstract
Leishmaniasis is a neglected disease that affects 15 million people worldwide. Existing treatments are associated with limitations, including high costs and toxicity. Several classes of natural substances have been reported to display leishmanicidal activity in the literature. Isoquinoline alkaloids, which are commonly found in the Annonaceae family, represent an important skeleton for the development of anti-leishmaniasis products. This study presents an overview of the potential use of Annonaceae alkaloids to treat leishmaniasis and describes a molecular docking study examining 215 isoquinoline alkaloids. All selected compounds contain a bisbenzyltetrahydroisoquinoline, suggesting the affinity of this skeleton for the target.
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Meng JP, Wang WW, Chen YL, Bera S, Wu J. Switchable solvent-controlled divergent synthesis: an efficient and regioselective approach to pyrimidine and dibenzo[b,f][1,4]oxazepine derivatives. Org Chem Front 2020. [DOI: 10.1039/c9qo01126a] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
An efficient solvent-controlled regioselective reaction has been developed. The reaction represents a novel protocol for the divergent one-pot synthesis of pyrimidine and dihydrodibenzo[b,f][1,4]oxazepine derivatives.
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Affiliation(s)
- Jin-Peng Meng
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- P. R. of China
| | - Wan-Wan Wang
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- P. R. of China
| | - Ying-Lu Chen
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- P. R. of China
| | - Saurav Bera
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- P. R. of China
| | - Jun Wu
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- P. R. of China
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Tsui KY, Tombari RJ, Olson DE, Tantillo DJ. Reconsidering the Structure of Serlyticin-A. JOURNAL OF NATURAL PRODUCTS 2019; 82:3464-3468. [PMID: 31840986 PMCID: PMC7187649 DOI: 10.1021/acs.jnatprod.9b00859] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Serlyticin-A is a secondary metabolite first isolated from a culture of Serratia ureilytica grown using squid pen as the sole carbon/nitrogen source. A previous study by Kuo et al. demonstrated that it has antioxidative and antiproliferative properties. However, the proposed chemical structure of serlyticin-A is likely incorrect based on the thermodynamic instability of its three contiguous heteroatom-heteroatom bonds. Here, we use quantum chemical calculations to predict 1H and 13C chemical shifts for serlyticin-A and demonstrate a discrepancy between the calculated and experimental chemical shifts. We then propose several reasonable alternative structures for serlyticin-A. Considering the known antioxidant and antiproliferative activity of hydroxamic acids as well as their stability and prevalence in natural products of bacterial origin, we believe that serlyticin-A is most likely 3-indolylacetohydroxamic acid (4). We provide our rationale for this assignment as well as experimental data for pure 3-indolylacetohydroxamic acid obtained via de novo synthesis. This study highlights the power of computational NMR shift prediction to revise chemical structures for natural products like serlyticin-A.
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Affiliation(s)
- Ka Yi Tsui
- Department of chemistry, University of California – Davis, 1 Shied Ave, Davis, CA 95616
| | - Robert J. Tombari
- Department of chemistry, University of California – Davis, 1 Shied Ave, Davis, CA 95616
| | - David E. Olson
- Department of chemistry, University of California – Davis, 1 Shied Ave, Davis, CA 95616
| | - Dean J. Tantillo
- Department of chemistry, University of California – Davis, 1 Shied Ave, Davis, CA 95616
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31
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Paz WHP, de Oliveira RN, Heerdt G, Angolini CFF, S de Medeiros L, Silva VR, Santos LS, Soares MBP, Bezerra DP, Morgon NH, Almeida JRGS, da Silva FMA, Costa EV, Koolen HHF. Structure-Based Molecular Networking for the Target Discovery of Oxahomoaporphine and 8-Oxohomoaporphine Alkaloids from Duguetia surinamensis. JOURNAL OF NATURAL PRODUCTS 2019; 82:2220-2228. [PMID: 31403289 DOI: 10.1021/acs.jnatprod.9b00287] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
In addition to seven known alkaloids (2, 6-11) and 1,2,4-trimethoxybenzene (1), three isoquinoline-derived alkaloids (3-5), namely, duguetinine (3), a compound based on an unprecedented oxahomoaporphine scaffold, and two new 8-oxohomoaporphine alkaloids, duguesuramine (4) and 11-methoxyduguesuramine (5), and a new asarone-derived phenylpropanoid (10) were isolated from the bark of Duguetia surinamensis. The isolation workflow was guided by HPLC-HRESIMS/MS and molecular networking-based analyses. Twenty-four known alkaloids were dereplicated from the D. surinamensis alkaloid-rich fraction network and were assigned by manual MS/MS interpretation. Their cytotoxic potential was evaluated.
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Affiliation(s)
- Weider H P Paz
- Metabolomics and Mass Spectrometry Research Group , Amazonas State University , Manaus 690065-130 , Brazil
- Department of Chemistry , Federal University of Amazonas , Manaus 69077-000 , Brazil
| | - Rodolfo N de Oliveira
- Department of Chemistry , Federal University of Amazonas , Manaus 69077-000 , Brazil
| | - Gabriel Heerdt
- Department of Chemistry , Federal University of Minas Gerais , Belo Horizonte 31270-901 , Brazil
| | - Célio F F Angolini
- Center of Human and Natural Sciences , Federal University of ABC , 09210-580 Santo André , Brazil
| | - Lívia S de Medeiros
- Department of Chemistry , Federal University of São Paulo , 09920-540 Diadema , Brazil
| | - Valdenizia R Silva
- Gonçalo Moniz Institute , Oswaldo Cruz Foundation , Salvador 40296-710 , Brazil
| | - Luciano S Santos
- Gonçalo Moniz Institute , Oswaldo Cruz Foundation , Salvador 40296-710 , Brazil
| | - Milena B P Soares
- Gonçalo Moniz Institute , Oswaldo Cruz Foundation , Salvador 40296-710 , Brazil
| | - Daniel P Bezerra
- Gonçalo Moniz Institute , Oswaldo Cruz Foundation , Salvador 40296-710 , Brazil
| | - Nelson H Morgon
- Institute of Chemistry , University of Campinas , Campinas 13083-970 , Brazil
| | - Jackson R G S Almeida
- Center for Study and Research of Medicinal Plants , Federal University of Vale do São Francisco , Petrolina 56304-205 , Brazil
| | - Felipe M A da Silva
- Department of Chemistry , Federal University of Amazonas , Manaus 69077-000 , Brazil
| | - Emmanoel V Costa
- Department of Chemistry , Federal University of Amazonas , Manaus 69077-000 , Brazil
| | - Hector H F Koolen
- Metabolomics and Mass Spectrometry Research Group , Amazonas State University , Manaus 690065-130 , Brazil
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Vargas DF, Larghi EL, Kaufman TS. The 6π-azaelectrocyclization of azatrienes. Synthetic applications in natural products, bioactive heterocycles, and related fields. Nat Prod Rep 2019; 36:354-401. [PMID: 30090891 DOI: 10.1039/c8np00014j] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Covering: 2006 to 2018 The application of the 6π-azaelectrocyclization of azatrienes as a key strategy for the synthesis of natural products, their analogs and related bioactive or biomedically-relevant compounds (from 2006 to date) is comprehensively reviewed. Details about reaction optimization studies, relevant reaction mechanisms and conditions are also discussed.
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Affiliation(s)
- Didier F Vargas
- Instituto de Química Rosario (IQUIR, CONICET-UNR), Facultad de Ciencias Bioquímicas y Farmacéuticas - Universidad Nacional de Rosario, Suipacha 531, 2000 Rosario, Argentina.
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Sousa MC, Bronzatto AC, González-Esquinca AR, Campos FG, Dalanhol SJ, Boaro CSF, Martins AL, da Silva Almeida JRG, Costa EV, De-la-Cruz-Chacón I, Ferreira G. The production of alkaloids in Annona cacans seedlings is affected by the application of GA4+7 + 6-Benzyladenine. BIOCHEM SYST ECOL 2019. [DOI: 10.1016/j.bse.2019.03.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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34
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do Espírito Santo RD, Velásquez ÁMA, Passianoto LVG, Sepulveda AAL, da Costa Clementino L, Assis RP, Baviera AM, Kalaba P, Dos Santos FN, Éberlin MN, da Silva GVJ, Zehl M, Lubec G, Graminha MAS, González ERP. N, N', N″-trisubstituted guanidines: Synthesis, characterization and evaluation of their leishmanicidal activity. Eur J Med Chem 2019; 171:116-128. [PMID: 30913526 DOI: 10.1016/j.ejmech.2019.03.032] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 03/13/2019] [Accepted: 03/14/2019] [Indexed: 02/03/2023]
Abstract
Leishmaniasis is a group of diseases caused by protozoan parasites from the genus Leishmania. There are estimated 1.3 million new cases annually with a mortality of 20,000-30,000 per year, when patients are left untreated. Current chemotherapeutic drugs available present high toxicity and low efficacy, the latter mainly due to the emergence of drug-resistant parasites, which makes discovery of novel, safe, and efficacious antileishmanial drugs mandatory. The present work reports the synthesis, characterization by ESI-MS, 1H and 13C NMR, and FTIR techniques as well as in vitro and in vivo evaluation of leishmanicidal activity of guanidines derivatives presenting lower toxicity. Among ten investigated compounds, all being guanidines containing a benzoyl, a benzyl, and a substituted phenyl moiety, LQOF-G2 (IC50-ama 5.6 μM; SI = 131.8) and LQOF-G7 (IC50-ama 7.1 μM; SI = 87.1) were the most active against L. amazonensis intracellular amastigote, showing low cytotoxicity to the host cells according to their selectivity index. The most promising compound, LQOF-G2, was further evaluated in an in vivo model and was able to decrease 60% of the parasite load in foot lesions at a dose of 0.25 mg/kg/day. Moreover, this guanidine derivative demonstrated reduced hepatotoxicity compared to other leishmanicidal compounds and did not show nephrotoxicity, as determined by the analyses of biomarkers of hepatic damage and renal function, which make this compound a potential new hit for therapy against leishmaniasis.
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Affiliation(s)
- Rafael Dias do Espírito Santo
- Laboratório de Química Orgânica Fina, Departamento de Química e Biologia, Faculdade de Ciências e Tecnologia, Universidade Estadual Paulista - UNESP, Campus de Presidente Prudente, Rua Roberto Simonsen, 305, 19060-900, Presidente Prudente, SP, Brazil; Programa de Pós-Graduação em Ciência e Tecnologia de Materiais (POSMAT), Universidade Estadual Paulista - UNESP, São Paulo, Brazil
| | - Ángela María Arenas Velásquez
- Departamento de Análises Clínicas, Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista - UNESP, Campus de Araraquara, Rodovia Araraquara-Jaú, km1, 14800-903, Araraquara, SP, Brazil
| | - Luana Vitorino Gushiken Passianoto
- Laboratório de Química Orgânica Fina, Departamento de Química e Biologia, Faculdade de Ciências e Tecnologia, Universidade Estadual Paulista - UNESP, Campus de Presidente Prudente, Rua Roberto Simonsen, 305, 19060-900, Presidente Prudente, SP, Brazil; Programa de Pós-Graduação em Ciência e Tecnologia de Materiais (POSMAT), Universidade Estadual Paulista - UNESP, São Paulo, Brazil
| | - Alex Arbey Lopera Sepulveda
- Departamento de Análises Clínicas, Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista - UNESP, Campus de Araraquara, Rodovia Araraquara-Jaú, km1, 14800-903, Araraquara, SP, Brazil
| | - Leandro da Costa Clementino
- Departamento de Análises Clínicas, Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista - UNESP, Campus de Araraquara, Rodovia Araraquara-Jaú, km1, 14800-903, Araraquara, SP, Brazil
| | - Renata Pires Assis
- Departamento de Análises Clínicas, Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista - UNESP, Campus de Araraquara, Rodovia Araraquara-Jaú, km1, 14800-903, Araraquara, SP, Brazil
| | - Amanda Martins Baviera
- Departamento de Análises Clínicas, Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista - UNESP, Campus de Araraquara, Rodovia Araraquara-Jaú, km1, 14800-903, Araraquara, SP, Brazil
| | - Predrag Kalaba
- Department of Pharmaceutical Chemistry, Faculty of Life Sciences, University of Vienna, Althanstraße 14, 1090, Vienna, Austria
| | - Fábio Neves Dos Santos
- Laboratório ThoMSon de Espectrometria de Massas, Instituto de Química, Universidade de Campinas - UNICAMP, Campinas, 13083-970, SP, Brazil
| | - Marcos Nogueira Éberlin
- Laboratório ThoMSon de Espectrometria de Massas, Instituto de Química, Universidade de Campinas - UNICAMP, Campinas, 13083-970, SP, Brazil
| | - Gil Valdo José da Silva
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo - USP, Avenida dos Bandeirantes, 3900, 14040-901, Ribeirão Preto, SP, Brazil
| | - Martin Zehl
- Department of Analytical Chemistry, Faculty of Chemistry, University of Vienna, Währinger Straße 38, 1090, Vienna, Austria
| | - Gert Lubec
- Department of Neuroproteomics, Paracelsus Medical University, Salzburg, Austria
| | - Márcia Aparecida Silva Graminha
- Departamento de Análises Clínicas, Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista - UNESP, Campus de Araraquara, Rodovia Araraquara-Jaú, km1, 14800-903, Araraquara, SP, Brazil.
| | - Eduardo René Pérez González
- Laboratório de Química Orgânica Fina, Departamento de Química e Biologia, Faculdade de Ciências e Tecnologia, Universidade Estadual Paulista - UNESP, Campus de Presidente Prudente, Rua Roberto Simonsen, 305, 19060-900, Presidente Prudente, SP, Brazil; Programa de Pós-Graduação em Ciência e Tecnologia de Materiais (POSMAT), Universidade Estadual Paulista - UNESP, São Paulo, Brazil.
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Zhao Z, Sun Y, Wang L, Chen X, Sun Y, Lin L, Tang Y, Li F, Chen D. Organic base-promoted efficient dehydrogenative/decarboxylative aromatization of tetrahydro-β-carbolines into β-carbolines under air. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.02.020] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Herrera Acevedo C, Scotti L, Alves MF, de F.F.M. Diniz M, Tullius Scotti M. Hybrid Compounds in the Search for Alternative Chemotherapeutic Agents against Neglected Tropical Diseases. LETT ORG CHEM 2019. [DOI: 10.2174/1570178615666180402123057] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Neglected tropical diseases (NTDs) affect more than a billion people worldwide, mainly
populations living in poverty conditions. More than 56% of annual NTD deaths are caused by
Leishmaniasis, Sleeping sickness, and Chagas disease. For these three diseases, many problems have
been observed with the chemotherapeutic drugs commonly used, these being mainly resistance, high
toxicity, and low efficacy. In the search for alternative treatments, hybridization is an interesting approach,
which generates new molecules by merging two pharmacophores and then looking for improvements
in biological activity or reduced compound toxicity. Here, we review various studies that
present such hybrid molecules with promising in vitro and in vivo activities against Leishmania and
Trypanosoma parasites.
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Affiliation(s)
- Chonny Herrera Acevedo
- Post-Graduate Program in Natural and Synthetic Bioactive Products, Federal University of Paraiba, 58051-900 Joao Pessoa, PB, Brazil
| | - Luciana Scotti
- Post-Graduate Program in Natural and Synthetic Bioactive Products, Federal University of Paraiba, 58051-900 Joao Pessoa, PB, Brazil
| | - Mateus F. Alves
- Post-Graduate Program in Natural and Synthetic Bioactive Products, Federal University of Paraiba, 58051-900 Joao Pessoa, PB, Brazil
| | - Margareth de F.F.M. Diniz
- Post-Graduate Program in Natural and Synthetic Bioactive Products, Federal University of Paraiba, 58051-900 Joao Pessoa, PB, Brazil
| | - Marcus Tullius Scotti
- Post-Graduate Program in Natural and Synthetic Bioactive Products, Federal University of Paraiba, 58051-900 Joao Pessoa, PB, Brazil
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de Souza Araújo C, de Oliveira AP, da Conceição Santos AD, Guimarães AL, Dos Santos Silva ND, Queiroz MAÁ, da Cruz Araújo EC, da Silva Almeida JRG. Total content of kaurene diterpenes in Annona vepretorum stems via 1 H qNMR: A method for speeding the identification of bioactive extracts. PHYTOCHEMICAL ANALYSIS : PCA 2019; 30:83-88. [PMID: 30160074 DOI: 10.1002/pca.2792] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 07/20/2018] [Accepted: 07/21/2018] [Indexed: 06/08/2023]
Abstract
INTRODUCTION Kaurene diterpenes (KDs) constitute a chemical class often found in the genus Annona with interesting biological activities. To date, chromatographic tools have been mostly used to determine KDs. Quantitative nuclear magnetic resonance (qNMR) has distinguished itself in quantitative estimation of natural products and is an interesting choice to assess total KD contents. OBJECTIVE To establish a 1 H qNMR method for determining the total KD contents in extracts and fractions obtained from Annona vepretorum stems. METHODOLOGY Stems were extracted with hexane and methanol, resulting in the hexane extract (HEX-E) and the methanol extract (MeOH-E). The former was partitioned with the acid-base method to obtain the total alkaloid fraction (TA-F) and the neutral dichloromethane fraction (NDM-F). 1 H qNMR measurements were performed on 400 MHz with samples solubilized in deuterated dimethyl sulfoxide. Quantification was carried out using the signals at 4.71 and 4.78 ppm related to hydrogens of the exocyclic double bond of the basic skeleton of KDs and gallic acid as the standard reference. The selectivity, intra- and inter-day precision, reproducibility, limit of detection, limit of quantification, and robustness of the methodology were evaluated. RESULTS Using the newly developed method, the total KD contents (in μg/mg) were 653.80 ± 12.15 (HEX-E), 458.90 ± 25.94 (NDM-F), 375.60 ± 27.52 (TA-F), and 315.10 ± 19.20 (MeOH-E). For determining the most promising bioactive sample, the KD contents and the sample discriminations obtained by principal component analysis were correlated to the antibacterial activity. Such approach pointed out HEX-E as a potential source of KDs. CONCLUSION The developed method offers a fast and simple way of determining total KD contents.
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Affiliation(s)
- Camila de Souza Araújo
- Post-Graduate Program in Biotechnology, State University of Feira de Santana (UEFS), Feira de Santana, BA, Brazil
| | | | | | | | | | | | | | - Jackson Roberto Guedes da Silva Almeida
- Post-Graduate Program in Biotechnology, State University of Feira de Santana (UEFS), Feira de Santana, BA, Brazil
- Federal University of the San Francisco Valley (UNIVASF), Petrolina, PE, Brazil
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De-la-Cruz-Chacón I, Riley-Saldaña CA, Arrollo-Gómez S, Sancristóbal-Domínguez TJ, Castro-Moreno M, González-Esquinca AR. Spatio-Temporal Variation of Alkaloids in Annona purpurea and the Associated Influence on Their Antifungal Activity. Chem Biodivers 2018; 16:e1800284. [PMID: 30471185 DOI: 10.1002/cbdv.201800284] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 11/22/2018] [Indexed: 11/10/2022]
Abstract
Annona purpurea grows in the areas of low elevation in deciduous forests of Mexico, those areas have marked rainy and dry seasons. This species produces more than 30 bioactive alkaloids that could have potential in the control of phytopathogens. This research provides data on the variation of the content and number of alkaloids during an annual cycle and the associated inhibitory potential of the compounds against three phytopathogenic fungi. For one year, alkaloidal extracts of stems and leaves were obtained every two months. The extract profiles were determined by gas chromatography with tandem mass spectrometry and their antifungal activity was examined in vitro. The alkaloids, annomontine and oxopurpureine, obtained from the roots and leaves, respectively, were also evaluated individually. The yields, profiles and activities of the extracts, as well as the abundance of annomontine and oxopurpureine in the extracts, were contrasted with the seasonality and phenological phases of the plant. The data indicate that the alkaloid content was higher at the height of the dry season. High yields also occurred during flowering. The strongest inhibitory effect was obtained from the root extracts during the last month of dry season. This finding seems to be explained by the higher chemodiversity of alkaloids in extracts from this season. Annomontine and oxopurpureine inhibited all three phytopathogens; however, they were not solely responsible for the activity of A. purpurea.
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Affiliation(s)
- Iván De-la-Cruz-Chacón
- Laboratorio de Química y Fisiología Vegetal del Instituto de Ciencias Biológicas, Universidad de Ciencias y Artes de Chiapas, Libramiento Norte-Poniente 1150, T, uxtla Gutiérrez, Chiapas, México
| | - Christian Anabí Riley-Saldaña
- Laboratorio de Química y Fisiología Vegetal del Instituto de Ciencias Biológicas, Universidad de Ciencias y Artes de Chiapas, Libramiento Norte-Poniente 1150, T, uxtla Gutiérrez, Chiapas, México
| | - Sheyla Arrollo-Gómez
- Laboratorio de Química y Fisiología Vegetal del Instituto de Ciencias Biológicas, Universidad de Ciencias y Artes de Chiapas, Libramiento Norte-Poniente 1150, T, uxtla Gutiérrez, Chiapas, México
| | | | - Marisol Castro-Moreno
- Laboratorio de Química y Fisiología Vegetal del Instituto de Ciencias Biológicas, Universidad de Ciencias y Artes de Chiapas, Libramiento Norte-Poniente 1150, T, uxtla Gutiérrez, Chiapas, México
| | - Alma Rosa González-Esquinca
- Laboratorio de Química y Fisiología Vegetal del Instituto de Ciencias Biológicas, Universidad de Ciencias y Artes de Chiapas, Libramiento Norte-Poniente 1150, T, uxtla Gutiérrez, Chiapas, México
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Yuan S, Yu B, Liu H. Brønsted Acid‐Catalyzed Direct C(
sp
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)−H Heteroarylation Enabling the Synthesis of Structurally Diverse Biaryl Derivatives. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201801226] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Shuo Yuan
- School of Pharmaceutical SciencesZhengzhou University Zhengzhou 450001 People's Republic of China E-mail: zzuyubin.weebly.com
- Co-Innovation Center of Henan Province for New Drug R & D and Preclinical Safety Zhengzhou 450001 People's Republic of China
- Key Laboratory of Advanced Technology of Drug Preparation Technologies (Zhengzhou University)Ministry of Education of China Zhengzhou 450001 People's Republic of China
| | - Bin Yu
- School of Pharmaceutical SciencesZhengzhou University Zhengzhou 450001 People's Republic of China E-mail: zzuyubin.weebly.com
- Co-Innovation Center of Henan Province for New Drug R & D and Preclinical Safety Zhengzhou 450001 People's Republic of China
- Key Laboratory of Advanced Technology of Drug Preparation Technologies (Zhengzhou University)Ministry of Education of China Zhengzhou 450001 People's Republic of China
- State key Laboratory of Pharmaceutical BiotechnologyNanjing University Nanjing 210023, Jiangsu People's Republic of China
| | - Hong‐Min Liu
- School of Pharmaceutical SciencesZhengzhou University Zhengzhou 450001 People's Republic of China E-mail: zzuyubin.weebly.com
- Co-Innovation Center of Henan Province for New Drug R & D and Preclinical Safety Zhengzhou 450001 People's Republic of China
- Key Laboratory of Advanced Technology of Drug Preparation Technologies (Zhengzhou University)Ministry of Education of China Zhengzhou 450001 People's Republic of China
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40
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Costa RA, Junior ESA, Lopes GBP, Pinheiro MLB, Costa EV, Bezerra DP, Oliveira K. Structural, vibrational, UV–vis, quantum-chemical properties, molecular docking and anti-cancer activity study of annomontine and N-hydroxyannomontine β-carboline alkaloids: A combined experimental and DFT approach. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2018.06.054] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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41
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Quílez AM, Fernández-Arche MA, García-Giménez MD, De la Puerta R. Potential therapeutic applications of the genus Annona: Local and traditional uses and pharmacology. JOURNAL OF ETHNOPHARMACOLOGY 2018; 225:244-270. [PMID: 29933016 DOI: 10.1016/j.jep.2018.06.014] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 06/14/2018] [Indexed: 05/14/2023]
Abstract
ETHNO-PHARMACOLOGICAL RELEVANCE Annona species (Annonaceae) have long been used as traditional herbal medicines by native peoples in tropical areas. In different countries they are used against a large variety of illnesses, such as parasitic and infectious diseases, cancer, diabetes, peptic ulcers, and mental disorders. AIM OF THE STUDY This review aims to achieve a comprehensive understanding of the research conducted so far on the local and traditional uses, pharmacological activities, mechanism of actions of active compounds, toxicity, and possible interactions with other drugs of the Annona species. Through analysis of these findings, evidences supporting their applications in ethno-medicines are described. We discuss the possible research opportunities and stand out the weak points in our knowledge that deserves further investigation. MATERIAL AND METHODS Information on ethno-medicinal uses and pharmacological activities of the Annona genus was collected. The main scientific biomedical literature databases (Cochrane, PubMed, Scopus, Lilacs, SeCiMed, Elsevier, SpringerLink, Google Scholar, SciFinder) were consulted. The search covered all the literature available until September 2017. National and regional databases of Herbal Medicine and Complementary and Alternative Medicine were also revised in order to explore further data. For a better understanding of the therapeutic importance of these species, we have classified the pharmacological activities within each group of disorders. The International Classification of Diseases (ICD), used from WHO Member States, was chosen as the reference classification. RESULTS From among the 27 species revised, four species are highlighted for their important pharmacological activities in most of the groups of illnesses: A. muricata, A. squamosa, A. senegalensis, and A. cherimola. Many investigations have been performed with extracts from the leaves, bark, fruit and seeds and have shown a wide range of pharmacological activities, such as antiprotozoal, antitumoural, antidiabetic, hepato-protective, anti-inflammatory and anxiolytic activities. The chemistry on the annonaceous acetogenins (ACGs) has been extensively investigated due to their potent antitumoural activity. Many of the assays were carried out with the isolated acetogenins in different lines of tumour culture cells and were found effective at very low doses even in multidrug-resistant tumours, and hence constitute promising compounds in the treatment of different types of cancers. No studies were found with extracts rich in acetogenins in the clinical field. CONCLUSIONS The experimental results from the pharmacological research enable the validation of their traditional uses in several of the groups of diseases in the countries of origin and reveal these plants to be a valuable source for therapeutic molecules. However, more toxicity assays and clinical trials would be necessary to establish optimal and safe doses of consumption on the application of these medicinal plants.
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Affiliation(s)
- A M Quílez
- Pharmacology Department, School of Pharmacy, Seville University, C/Profesor García González, 2; 41012 Sevilla, Spain
| | - M A Fernández-Arche
- Pharmacology Department, School of Pharmacy, Seville University, C/Profesor García González, 2; 41012 Sevilla, Spain
| | - M D García-Giménez
- Pharmacology Department, School of Pharmacy, Seville University, C/Profesor García González, 2; 41012 Sevilla, Spain
| | - R De la Puerta
- Pharmacology Department, School of Pharmacy, Seville University, C/Profesor García González, 2; 41012 Sevilla, Spain.
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Zheng B, Qu HY, Meng TZ, Lu X, Zheng J, He YG, Fan QQ, Shi XX. Novel total syntheses of oxoaporphine alkaloids enabled by mild Cu-catalyzed tandem oxidation/aromatization of 1-Bn-DHIQs. RSC Adv 2018; 8:28997-29007. [PMID: 35548004 PMCID: PMC9084380 DOI: 10.1039/c8ra05338c] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Accepted: 08/06/2018] [Indexed: 12/25/2022] Open
Abstract
Novel total syntheses of oxoaporphine alkaloids such as liriodenine, dicentrinone, cassameridine, lysicamine, oxoglaucine and O-methylmoschatoline were developed. The key step of these total syntheses is Cu-catalyzed conversion of 1-benzyl-3,4-dihydro-isoquinolines (1-Bn-DHIQs) to 1-benzoyl-isoquinolines (1-Bz-IQs) via tandem oxidation/aromatization. This novel Cu-catalyzed conversion has been studied in detail, and was successfully used for constructing the 1-Bz-IQ core. Novel total syntheses of several oxoaporphine alkaloids were developed. The Cu-catalyzed conversion of 1-benzyl-3,4-dihydro-isoquinolines (1-Bn-DHIQs) to 1-benzoyl-isoquinolines (1-Bz-IQs) as the key step of these total syntheses has also been investigated in detail.![]()
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Affiliation(s)
- Bo Zheng
- Shanghai Key Laboratory of Chemical Biology and Department of Pharmaceutical Engineering, School of Pharmacy, East China University of Science and Technology 130 Mei-Long Road Shanghai 200237 P. R. China
| | - Hui-Ya Qu
- Shanghai Key Laboratory of Chemical Biology and Department of Pharmaceutical Engineering, School of Pharmacy, East China University of Science and Technology 130 Mei-Long Road Shanghai 200237 P. R. China
| | - Tian-Zhuo Meng
- Shanghai Key Laboratory of Chemical Biology and Department of Pharmaceutical Engineering, School of Pharmacy, East China University of Science and Technology 130 Mei-Long Road Shanghai 200237 P. R. China
| | - Xia Lu
- Shanghai Key Laboratory of Chemical Biology and Department of Pharmaceutical Engineering, School of Pharmacy, East China University of Science and Technology 130 Mei-Long Road Shanghai 200237 P. R. China
| | - Jie Zheng
- Shanghai Key Laboratory of Chemical Biology and Department of Pharmaceutical Engineering, School of Pharmacy, East China University of Science and Technology 130 Mei-Long Road Shanghai 200237 P. R. China
| | - Yun-Gang He
- Shanghai Key Laboratory of Chemical Biology and Department of Pharmaceutical Engineering, School of Pharmacy, East China University of Science and Technology 130 Mei-Long Road Shanghai 200237 P. R. China
| | - Qi-Qi Fan
- Shanghai Key Laboratory of Chemical Biology and Department of Pharmaceutical Engineering, School of Pharmacy, East China University of Science and Technology 130 Mei-Long Road Shanghai 200237 P. R. China
| | - Xiao-Xin Shi
- Shanghai Key Laboratory of Chemical Biology and Department of Pharmaceutical Engineering, School of Pharmacy, East China University of Science and Technology 130 Mei-Long Road Shanghai 200237 P. R. China
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Da Silva BJM, Hage AAP, Silva EO, Rodrigues APD. Medicinal plants from the Brazilian Amazonian region and their antileishmanial activity: a review. JOURNAL OF INTEGRATIVE MEDICINE-JIM 2018; 16:211-222. [DOI: 10.1016/j.joim.2018.04.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Accepted: 04/07/2018] [Indexed: 12/15/2022]
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Ashok P, Chander S, Smith TK, Sankaranarayanan M. Design, synthesis and biological evaluation of piperazinyl-β-carbolinederivatives as anti-leishmanial agents. Eur J Med Chem 2018; 150:559-566. [DOI: 10.1016/j.ejmech.2018.03.022] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2017] [Revised: 03/05/2018] [Accepted: 03/07/2018] [Indexed: 01/11/2023]
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Das D, Khan HPA, Shivahare R, Gupta S, Sarkar J, Siddiqui MI, Ampapathi RS, Chakraborty TK. Synthesis, SAR and biological studies of sugar amino acid-based almiramide analogues: N-methylation leads the way. Org Biomol Chem 2018; 15:3337-3352. [PMID: 28368065 DOI: 10.1039/c6ob02610a] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Leishmaniasis, caused by the protozoan parasites of the genus Leishmania, is one of the most neglected diseases endemic in many continents posing enormous global health threats and therefore the discovery of new antileishmanial compounds is of utmost urgency. The antileishmanial activities of a library of sugar amino acid-based linear lipopeptide analogues were examined with the aim to identify potential drug candidates to treat visceral leishmaniasis. It was found that among the synthesized analogues, most of the permethylated compounds exhibited more activity in in vitro studies against intra-macrophagic amastigotes than the non-methylated analogues. SAR and NMR studies revealed that introduction of the N-methyl groups inhibited the formation of any turn structure in these molecules, which led to their improved activities.
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Affiliation(s)
- Dipendu Das
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute, Sector 10, Jankipuram Extension, Sitapur Road, Lucknow 226031, India
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Costa EV, Soares LN, Pinheiro MLB, Maia BHLNS, Marques FA, Barison A, Almeida JRGS, Sousa IL, Galaverna RS, Heerdt G, Morgon NH, Acho LDR, Lima ES, da Silva FMA, Koolen HHF. Guaianolide sesquiterpene lactones and aporphine alkaloids from the stem bark of Guatteria friesiana. PHYTOCHEMISTRY 2018; 145:18-25. [PMID: 29059536 DOI: 10.1016/j.phytochem.2017.10.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Revised: 10/11/2017] [Accepted: 10/13/2017] [Indexed: 06/07/2023]
Abstract
Three guaianolide sesquiterpenes, denoted guatterfriesols A-C, and four aporphine alkaloid derivatives were isolated from the stem bark of the Amazonian plant Guatteria friesiana. Thus far, sesquiterpene lactones have not been described in Annonaceae. Structures of the previously undescribed compounds were established by using 1D and 2D NMR spectroscopy in combination with MS. The absolute stereochemistry was assigned via NOE NMR experiments, ECD spectroscopy, and theoretical calculations using the TDDFT approach. Among the isolated compounds, the alkaloid guatterfriesidine showed anti-glycation activity by inhibiting the formation of advanced glycation end-products (AGEs) through the prevention of oxidation in both BSA/methylglyoxal and BSA/fructose systems.
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Affiliation(s)
- Emmanoel V Costa
- Department of Chemistry, Federal University of Amazonas - UFAM, 69080-900, Manaus, AM, Brazil.
| | - Liviane N Soares
- Department of Chemistry, Federal University of Amazonas - UFAM, 69080-900, Manaus, AM, Brazil
| | - Maria L B Pinheiro
- Department of Chemistry, Federal University of Amazonas - UFAM, 69080-900, Manaus, AM, Brazil
| | - Beatriz H L N S Maia
- Department of Chemistry, Federal University of Paraná - UFPR, 80060-000, Curitiba, PR, Brazil
| | - Francisco A Marques
- Department of Chemistry, Federal University of Paraná - UFPR, 80060-000, Curitiba, PR, Brazil
| | - Andersson Barison
- Department of Chemistry, Federal University of Paraná - UFPR, 80060-000, Curitiba, PR, Brazil
| | - Jackson R G S Almeida
- Center for Study and Research of Medicinal Plants, Federal University of Vale do São Francisco - UNIVASF, 56304-205, Petrolina, PE, Brazil
| | - Iran L Sousa
- Institute of Chemistry, University of Campinas - UNICAMP, 13083-970, Campinas, SP, Brazil
| | - Renan S Galaverna
- Institute of Chemistry, University of Campinas - UNICAMP, 13083-970, Campinas, SP, Brazil
| | - Gabriel Heerdt
- Institute of Chemistry, University of Campinas - UNICAMP, 13083-970, Campinas, SP, Brazil
| | - Nelson H Morgon
- Institute of Chemistry, University of Campinas - UNICAMP, 13083-970, Campinas, SP, Brazil
| | - Leonard D R Acho
- Faculty of Pharmacy, Federal University of Amazonas - UFAM, 69077-000, Manaus, AM, Brazil
| | - Emerson S Lima
- Faculty of Pharmacy, Federal University of Amazonas - UFAM, 69077-000, Manaus, AM, Brazil
| | - Felipe M A da Silva
- Department of Chemistry, Federal University of Amazonas - UFAM, 69080-900, Manaus, AM, Brazil
| | - Hector H F Koolen
- Metabolomics and Mass Spectrometry Research Group, Amazonas State University - UEA, 690065-130, Manaus, AM, Brazil
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dos Santos AR, Pires C, Marques FA, Lobão AQ, Maia BHL. Isoquinoline alkaloids isolated from three Guatteria species. BIOCHEM SYST ECOL 2017. [DOI: 10.1016/j.bse.2017.05.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Valorisation of softwood bark through extraction of utilizable chemicals. A review. Biotechnol Adv 2017; 35:726-750. [PMID: 28739505 DOI: 10.1016/j.biotechadv.2017.07.007] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 06/20/2017] [Accepted: 07/11/2017] [Indexed: 01/31/2023]
Abstract
Softwood bark is an important source for producing chemicals and materials as well as bioenergy. Extraction is regarded as a key technology for obtaining chemicals in general, and valorizing bark as a source of such chemicals in particular. In this paper, properties of 237 compounds identified in various studies dealing with extraction of softwood bark were described. Finally, some challenges and perspectives on the production of chemicals from bark are discussed.
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Purohit P, Pandey AK, Singh D, Chouhan PS, Ramalingam K, Shukla M, Goyal N, Lal J, Chauhan PMS. An insight into tetrahydro-β-carboline-tetrazole hybrids: synthesis and bioevaluation as potent antileishmanial agents. MEDCHEMCOMM 2017; 8:1824-1834. [PMID: 30108893 DOI: 10.1039/c7md00125h] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Accepted: 07/18/2017] [Indexed: 12/11/2022]
Abstract
A series of 2,3,4,9-tetrahydro-β-carboline tetrazole derivatives (14a-u) have been synthesized utilizing the Ugi multicomponent reaction and were identified as potential antileishmanial chemotypes. Most of the screened derivatives exhibited significant in vitro activity against the promastigote (IC50 from 0.59 ± 0.35 to 31 ± 1.27 μM) and intracellular amastigote forms (IC50 from 1.57 ± 0.12 to 17.6 ± 0.2 μM) of L. donovani, and their activity is comparable with standard drugs miltefosine and sodium stibogluconate. The most active compound 14t was further studied in vivo against the L. donovani/golden hamster model at a dose of 50 mg kg-1 through the intraperitoneal route for 5 consecutive days, which displayed 75.04 ± 7.28% inhibition of splenic parasite burden. Pharmacokinetics of compound 14t was studied in the golden Syrian hamster, and following a 50 mg kg-1 oral dose, the compound was detected in hamster serum for up to 24 h. It exhibited a large volume of distribution (651.8 L kg-1), high clearance (43.2 L h-1 kg-1) and long mean residence time (10 h).
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Affiliation(s)
- Pooja Purohit
- Medicinal and Process Chemistry Division , CSIR-Central Drug Research Institute , Lucknow-226031 , U.P. , India . ; ; ; Tel: +522 2771940, Extn: 4659, 4660
| | - Anand Kumar Pandey
- Medicinal and Process Chemistry Division , CSIR-Central Drug Research Institute , Lucknow-226031 , U.P. , India . ; ; ; Tel: +522 2771940, Extn: 4659, 4660
| | - Deepti Singh
- Medicinal and Process Chemistry Division , CSIR-Central Drug Research Institute , Lucknow-226031 , U.P. , India . ; ; ; Tel: +522 2771940, Extn: 4659, 4660
| | - Pradeep Singh Chouhan
- Medicinal and Process Chemistry Division , CSIR-Central Drug Research Institute , Lucknow-226031 , U.P. , India . ; ; ; Tel: +522 2771940, Extn: 4659, 4660
| | - Karthik Ramalingam
- Division of Biochemistry , CSIR-Central Drug Research Institute , Lucknow-226031 , U.P. , India
| | - Mahendra Shukla
- Pharmacokinetics & Metabolism Division , CSIR-Central Drug Research Institute , Lucknow , India
| | - Neena Goyal
- Division of Biochemistry , CSIR-Central Drug Research Institute , Lucknow-226031 , U.P. , India
| | - Jawahar Lal
- Pharmacokinetics & Metabolism Division , CSIR-Central Drug Research Institute , Lucknow , India
| | - Prem M S Chauhan
- Medicinal and Process Chemistry Division , CSIR-Central Drug Research Institute , Lucknow-226031 , U.P. , India . ; ; ; Tel: +522 2771940, Extn: 4659, 4660
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Amaral ACF, Ramos ADS, Ferreira JLP, Santos ARD, Cruz JDD, Luna AVMD, Nery VVC, Lima ICD, Chaves MHDC, Silva JRDA. LC‐HRMS for the Identification of β‐Carboline and Canthinone Alkaloids Isolated from Natural Sources. Mass Spectrom (Tokyo) 2017. [DOI: 10.5772/68075] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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