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Grangeiro YA, Santos ALE, Barbosa FEV, Roma RR, Souza ROS, Silva CGL, Teixeira CS. A Review of the Leishmanicidal Properties of Lectins. Curr Protein Pept Sci 2024; 25:443-453. [PMID: 38284715 DOI: 10.2174/0113892037275751231221053730] [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: 08/23/2023] [Revised: 10/14/2023] [Accepted: 11/22/2023] [Indexed: 01/30/2024]
Abstract
Lectins are proteins widely distributed among plants, animals and microorganisms that have the ability to recognize and interact with specific carbohydrates. They have varied biological activities, such as the inhibition of the progression of infections caused by fungi, bacteria, viruses and protozoa, which is related to the interaction of these proteins with the carbohydrates present in the cell walls of these microorganisms. Leishmaniasis are a group of endemic infectious diseases caused by protozoa of the genus Leishmania. In vitro and in vivo tests with promastigotes and amastigotes of Leishmania demonstrated that lectins have the ability to interact with glycoconjugates present on the cell surface of the parasite, it prevents their development through various mechanisms of action, such as the production of ROS and alteration of membrane integrity, and can also interact with defense cells present in the human body, thus showing that these molecules can be considered alternative pharmacological targets for the treatment of leishmaniasis. The objective of the present work is to carry out a bibliographic review on lectins with leishmanicidal activity, emphasizing the advances and perspectives of research in this theme. Through the analysis of the selected studies, we were able to conclude that lectins have great potential for inhibiting the development of leishmaniasis. However, there are still few studies on this subject.
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Affiliation(s)
- Yasmim A Grangeiro
- Departamento de Bioquímica, Universidade Federal do Ceará, Fortaleza, CE, Brazil
| | - Ana L E Santos
- Faculdade de Medicina, Universidade Federal do Cariri, Barbalha, CE, Brazil
| | - Flávia E V Barbosa
- Faculdade de Medicina, Universidade Federal do Cariri, Barbalha, CE, Brazil
| | - Renato R Roma
- Departamento de Bioquímica, Universidade Federal do Ceará, Fortaleza, CE, Brazil
| | - Racquel O S Souza
- Faculdade de Medicina, Universidade Federal do Cariri, Barbalha, CE, Brazil
| | - Cláudio G L Silva
- Faculdade de Medicina, Universidade Federal do Cariri, Barbalha, CE, Brazil
| | - Claudener S Teixeira
- Centro de Ciências Agrárias e da biodiversidade, Universidade Federal do Cariri, Crato, CE, Brazil
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2
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Grosche VR, Souza LPF, Ferreira GM, Guevara-Vega M, Carvalho T, Silva RRDS, Batista KLR, Abuna RPF, Silva JS, Calmon MDF, Rahal P, da Silva LCN, Andrade BS, Teixeira CS, Sabino-Silva R, Jardim ACG. Mannose-Binding Lectins as Potent Antivirals against SARS-CoV-2. Viruses 2023; 15:1886. [PMID: 37766292 PMCID: PMC10536204 DOI: 10.3390/v15091886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 08/17/2023] [Accepted: 08/30/2023] [Indexed: 09/29/2023] Open
Abstract
The SARS-CoV-2 entry into host cells is mainly mediated by the interactions between the viral spike protein (S) and the ACE-2 cell receptor, which are highly glycosylated. Therefore, carbohydrate binding agents may represent potential candidates to abrogate virus infection. Here, we evaluated the in vitro anti-SARS-CoV-2 activity of two mannose-binding lectins isolated from the Brazilian plants Canavalia brasiliensis and Dioclea violacea (ConBR and DVL). These lectins inhibited SARS-CoV-2 Wuhan-Hu-1 strain and variants Gamma and Omicron infections, with selectivity indexes (SI) of 7, 1.7, and 6.5, respectively for ConBR; and 25, 16.8, and 22.3, for DVL. ConBR and DVL inhibited over 95% of the early stages of the viral infection, with strong virucidal effect, and also protected cells from infection and presented post-entry inhibition. The presence of mannose resulted in the complete lack of anti-SARS-CoV-2 activity by ConBR and DVL, recovering virus titers. ATR-FTIR, molecular docking, and dynamic simulation between SARS-CoV-2 S and either lectins indicated molecular interactions with predicted binding energies of -85.4 and -72.0 Kcal/Mol, respectively. Our findings show that ConBR and DVL lectins possess strong activities against SARS-CoV-2, potentially by interacting with glycans and blocking virus entry into cells, representing potential candidates for the development of novel antiviral drugs.
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Affiliation(s)
- Victória Riquena Grosche
- Laboratory of Antiviral Research, Institute of Biomedical Science (ICBIM), Federal University of Uberlândia (UFU), Uberlândia 38405-317, Brazil; (V.R.G.); (G.M.F.)
- Institute of Biosciences, Languages, and Exact Sciences (Ibilce), São Paulo State University (Unesp), São José do Rio Preto 15054-000, Brazil; (T.C.); (M.d.F.C.); (P.R.)
| | - Leandro Peixoto Ferreira Souza
- Innovation Center in Salivary Diagnostic and Nanobiotechnology, Institute of Biomedical Science (ICBIM), Federal University of Uberlândia (UFU), Uberlândia 38405-317, Brazil; (L.P.F.S.); (M.G.-V.)
| | - Giulia Magalhães Ferreira
- Laboratory of Antiviral Research, Institute of Biomedical Science (ICBIM), Federal University of Uberlândia (UFU), Uberlândia 38405-317, Brazil; (V.R.G.); (G.M.F.)
| | - Marco Guevara-Vega
- Innovation Center in Salivary Diagnostic and Nanobiotechnology, Institute of Biomedical Science (ICBIM), Federal University of Uberlândia (UFU), Uberlândia 38405-317, Brazil; (L.P.F.S.); (M.G.-V.)
| | - Tamara Carvalho
- Institute of Biosciences, Languages, and Exact Sciences (Ibilce), São Paulo State University (Unesp), São José do Rio Preto 15054-000, Brazil; (T.C.); (M.d.F.C.); (P.R.)
| | | | | | - Rodrigo Paolo Flores Abuna
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, Brazil; (R.P.F.A.); (J.S.S.)
- Oswaldo Cruz Foundation (Fiocruz), Bi-Institutional Platform for Translational Medicine, Ribeirão Preto 14049-900, Brazil
| | - João Santana Silva
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, Brazil; (R.P.F.A.); (J.S.S.)
- Oswaldo Cruz Foundation (Fiocruz), Bi-Institutional Platform for Translational Medicine, Ribeirão Preto 14049-900, Brazil
| | - Marília de Freitas Calmon
- Institute of Biosciences, Languages, and Exact Sciences (Ibilce), São Paulo State University (Unesp), São José do Rio Preto 15054-000, Brazil; (T.C.); (M.d.F.C.); (P.R.)
| | - Paula Rahal
- Institute of Biosciences, Languages, and Exact Sciences (Ibilce), São Paulo State University (Unesp), São José do Rio Preto 15054-000, Brazil; (T.C.); (M.d.F.C.); (P.R.)
| | | | - Bruno Silva Andrade
- Laboratory of Bioinformatics and Computational Chemistry, State University of Southwest of Bahia, Jequié 45205-490, Brazil;
| | - Claudener Souza Teixeira
- Center of Agrarian Science and Biodiversity, Federal University of Cariri (UFCA), Crato 63130-025, Brazil; (R.R.d.S.S.); (C.S.T.)
| | - Robinson Sabino-Silva
- Innovation Center in Salivary Diagnostic and Nanobiotechnology, Institute of Biomedical Science (ICBIM), Federal University of Uberlândia (UFU), Uberlândia 38405-317, Brazil; (L.P.F.S.); (M.G.-V.)
| | - Ana Carolina Gomes Jardim
- Laboratory of Antiviral Research, Institute of Biomedical Science (ICBIM), Federal University of Uberlândia (UFU), Uberlândia 38405-317, Brazil; (V.R.G.); (G.M.F.)
- Institute of Biosciences, Languages, and Exact Sciences (Ibilce), São Paulo State University (Unesp), São José do Rio Preto 15054-000, Brazil; (T.C.); (M.d.F.C.); (P.R.)
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3
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Khan F, Kaza S. Crystal structure of an L-type lectin domain from archaea. Proteins 2023; 91:456-465. [PMID: 36301308 DOI: 10.1002/prot.26440] [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: 06/29/2022] [Revised: 09/26/2022] [Accepted: 10/20/2022] [Indexed: 11/06/2022]
Abstract
The crystal structures of an L-type lectin domain from Methanocaldococcus jannaschii in apo and mannose-bound forms have been determined. A thorough investigation of L-type lectin domains from several organisms provides insight into the differences in these domains from different kingdoms of life. While the overall fold of the L-type lectin domain is conserved, differences in the lengths of the carbohydrate-binding loops and significant variations in the Mn2+ -binding site compared to the Ca2+ -binding site are observed. Furthermore, the sequence and phylogenetic analyses suggest that the archaeal L-type lectin domain is evolutionarily closer to the plant legume lectins than to its bacterial or animal counterparts. This is the first report of the biochemical, structural, sequence, and phylogenetic analyses of an L-type lectin domain from archaea and serves to enhance our understanding of the species-specific differences and evolution of L-type lectin domains.
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Affiliation(s)
- Farha Khan
- Molecular Biophysics Unit, Indian Institute of Science, Bangalore, Karnataka, India
| | - Suguna Kaza
- Molecular Biophysics Unit, Indian Institute of Science, Bangalore, Karnataka, India
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Abstract
Lectins are widely distributed proteins having ability of binding selectively and reversibly with carbohydrates moieties and glycoconjugates. Although lectins have been reported from different biological sources, the legume lectins are the best-characterized family of plant lectins. Legume lectins are a large family of homologous proteins with considerable similarity in amino acid sequence and their tertiary structures. Despite having strong sequence conservation, these lectins show remarkable variability in carbohydrate specificity and quaternary structures. The ability of legume lectins in recognizing glycans and glycoconjugates on cells and other intracellular structures make them a valuable research tool in glycomic research. Due to variability in binding with glycans, glycoconjugates and multiple biological functions, legume lectins are the subject of intense research for their diverse application in different fields such as glycobiology, biomedical research and crop improvement. The present review specially focuses on structural and functional characteristics of legume lectins along with their potential areas of application.
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Affiliation(s)
- Rajan Katoch
- Biochemistry Laboratory, Department of Genetics and Plant Breeding, CSKHPKV, Palampur, 176 062 India
| | - Ankur Tripathi
- Biochemistry Laboratory, Department of Genetics and Plant Breeding, CSKHPKV, Palampur, 176 062 India
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Nonis SG, Haywood J, Schmidberger JW, Mackie ERR, Soares da Costa TP, Bond CS, Mylne JS. Structural and biochemical analyses of concanavalin A circular permutation by jack bean asparaginyl endopeptidase. THE PLANT CELL 2021; 33:2794-2811. [PMID: 34235541 PMCID: PMC8408470 DOI: 10.1093/plcell/koab130] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 05/05/2021] [Indexed: 06/01/2023]
Abstract
Over 30 years ago, an intriguing posttranslational modification was found responsible for creating concanavalin A (conA), a carbohydrate-binding protein from jack bean (Canavalia ensiformis) seeds and a common carbohydrate chromatography reagent. ConA biosynthesis involves what was then an unprecedented rearrangement in amino-acid sequence, whereby the N-terminal half of the gene-encoded conA precursor (pro-conA) is swapped to become the C-terminal half of conA. Asparaginyl endopeptidase (AEP) was shown to be involved, but its mechanism was not fully elucidated. To understand the structural basis and consequences of circular permutation, we generated recombinant jack bean pro-conA plus jack bean AEP (CeAEP1) and solved crystal structures for each to 2.1 and 2.7 Å, respectively. By reconstituting conA biosynthesis in vitro, we prove CeAEP1 alone can perform both cleavage and cleavage-coupled transpeptidation to form conA. CeAEP1 structural analysis reveals how it is capable of carrying out both reactions. Biophysical assays illustrated that pro-conA is less stable than conA. This observation was explained by fewer intermolecular interactions between subunits in the pro-conA crystal structure and consistent with a difference in the prevalence for tetramerization in solution. These findings elucidate the consequences of circular permutation in the only posttranslation example known to occur in nature.
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Affiliation(s)
- Samuel G. Nonis
- School of Molecular Sciences, The University of Western Australia, Crawley, Perth 6009, Australia
- The ARC Centre of Excellence in Plant Energy Biology, The University of Western Australia, Crawley, Perth 6009, Australia
| | - Joel Haywood
- School of Molecular Sciences, The University of Western Australia, Crawley, Perth 6009, Australia
- The ARC Centre of Excellence in Plant Energy Biology, The University of Western Australia, Crawley, Perth 6009, Australia
| | - Jason W. Schmidberger
- School of Molecular Sciences, The University of Western Australia, Crawley, Perth 6009, Australia
| | - Emily R. R. Mackie
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Victoria 3086, Australia
| | - Tatiana P. Soares da Costa
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Victoria 3086, Australia
| | - Charles S. Bond
- School of Molecular Sciences, The University of Western Australia, Crawley, Perth 6009, Australia
| | - Joshua S. Mylne
- School of Molecular Sciences, The University of Western Australia, Crawley, Perth 6009, Australia
- The ARC Centre of Excellence in Plant Energy Biology, The University of Western Australia, Crawley, Perth 6009, Australia
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Botelho T, Osterne VJS, Pinto-Junior VR, Oliveira MV, Cavada BS, Nascimento KS, Dos Santos L. Differential vasodilator effect of Dioclea rostrata lectin in conductance and resistance arteries: Mechanisms and glycoconjugate binding relationships. Basic Clin Pharmacol Toxicol 2021; 129:130-138. [PMID: 33993648 DOI: 10.1111/bcpt.13614] [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: 02/08/2021] [Revised: 04/22/2021] [Accepted: 05/08/2021] [Indexed: 11/26/2022]
Abstract
Lectins are proteins that recognize specific carbohydrates, and the vasorelaxant effect of legume lectins has been previously reported, for example the Dioclea rostrata lectin (DRL). This study evaluated major pathways of DRL-induced relaxation in different artery segments and the possible molecular interactions involved. Rat thoracic aorta, coronary and mesenteric resistance arteries were tested "in vitro" with concentration-response curves to DRL (0.01-100 µg/mL). L-NAME, indomethacin and high KCl were used to evaluate nitric oxide, cyclooxygenase and hyperpolarization-dependent effects. DRL promoted relaxation of all vessels throughout different mechanisms. L-NAME blunted DRL-induced effects only in the aorta and mesenteric resistance artery. By the use of depolarizing KCl solution, vasodilation was reduced in all arteries, while incubation with indomethacin indicated a role of cyclooxygenase-derived factors for DRL effects in mesenteric and coronary arteries, but not in the aorta. Molecular docking results suggested interactions between DRL and heparan sulphate, CD31 and other glycans present on the membrane surface. These data indicate that the mechanisms involved in DRL-mediated vasodilation vary between conductance and resistance arteries of different origins, and these effects may be related to the capacity of DRL to bind a diversity of glycans, especially heparan sulphate, a proposed mechanoreceptor for nitric oxide synthase and cyclooxygenase activation.
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Affiliation(s)
- Tatiani Botelho
- Department of Physiological Sciences, Federal University of Espirito Santo, Vitoria, Brazil
| | - Vinicius J S Osterne
- Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza, Brazil.,Department of Nutrition, State University of Ceara, Fortaleza, Brazil
| | - Vanir R Pinto-Junior
- Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza, Brazil.,Department of Physics, Federal University of Ceara, Fortaleza, Brazil
| | - Messias V Oliveira
- Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza, Brazil
| | - Benildo S Cavada
- Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza, Brazil
| | - Kyria S Nascimento
- Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza, Brazil
| | - Leonardo Dos Santos
- Department of Physiological Sciences, Federal University of Espirito Santo, Vitoria, Brazil
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de Oliveira Leite G, Santos SAAR, Bezerra FMDH, Sena E Silva FE, de Castro Ribeiro AD, Roma RR, Silva RRS, Santos MHC, Santos ALE, Teixeira CS, Campos AR. Is the orofacial antinociceptive effect of lectins intrinsically related to their specificity to monosaccharides? Int J Biol Macromol 2020; 161:1079-1085. [PMID: 32561277 DOI: 10.1016/j.ijbiomac.2020.06.132] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 03/23/2020] [Accepted: 06/14/2020] [Indexed: 01/24/2023]
Abstract
Lectins are proteins of non-immunological origin that may play several biological applications, of which we can highlight the anti-inflammatory and antinociceptive activities. In this work, we evaluated the possible effect of orofacial antinociceptive activity of three plant lectins, Dioclea violacea (DVL - Man/Glc-binding), Vatairea macrocarpa (VML - Gal-binding) and PPL (Parkia platycephala - Man/Glc-binding) in adult zebrafish. Acute nociception was induced by menthol (1.2 μM), or capsaicin (4.93 μM) applied into in the upper lip (5.0 μL) of adult wild zebrafish. Zebrafish were pretreated by intraperitoneal injection (20 μL) with vehicle (Control) or lectins (0.025; 0.05 or 0.1 mg/mL) 30 min before induction. The effect of lectins on zebrafish locomotor behavior was evaluated with the open field test. Naive groups (n = 8) were included in all tests. Our results indicate that only PPL presented antinociceptive induced by capsaicin, suggesting the potential clinical application of PPL as inhibitor of orofacial nociception and that this effect may be due to the modulation of TRPV1 channel. In conclusion, lectins that exhibit affinity to the same or different carbohydrates do not necessarily have an antinociceptive effect on the orofacial nociception model, indicating that the glycan carbohydrate binding pattern may be related to the effect on nociception inhibition.
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Affiliation(s)
| | | | | | | | | | - Renato Rodrigues Roma
- Centro de Ciências Agrárias e Ambientais, Universidade Federal do Maranhão, Chapadinha, Maranhão, Brazil
| | | | - Maria Helena Cruz Santos
- Centro de Ciências Agrárias e Ambientais, Universidade Federal do Maranhão, Chapadinha, Maranhão, Brazil
| | - Ana Lucia Estevam Santos
- Centro de Ciências Agrárias e Ambientais, Universidade Federal do Maranhão, Chapadinha, Maranhão, Brazil
| | - Claudener Souza Teixeira
- Centro de Ciências Agrárias e Ambientais, Universidade Federal do Maranhão, Chapadinha, Maranhão, Brazil
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8
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Cavada BS, Osterne VJS, Lossio CF, Pinto-Junior VR, Oliveira MV, Silva MTL, Leal RB, Nascimento KS. One century of ConA and 40 years of ConBr research: A structural review. Int J Biol Macromol 2019; 134:901-911. [DOI: 10.1016/j.ijbiomac.2019.05.100] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 05/16/2019] [Accepted: 05/16/2019] [Indexed: 01/30/2023]
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9
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Cavada BS, Osterne VJS, Pinto-Junior VR, Nascimento KS. ConBr, the Lectin from Canavalia brasiliensis Mart. Seeds: Forty Years of Research. Curr Protein Pept Sci 2019; 20:600-613. [DOI: 10.2174/1389203720666190104123210] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 11/30/2018] [Accepted: 12/29/2018] [Indexed: 12/16/2022]
Abstract
Lectins are defined as proteins or glycoproteins capable of specific and reversible binding to
carbohydrates. Inside this group of proteins, the most well-studied lectins belong to the Leguminosae
family, and inside this family, the Diocleinae subtribe includes the most characterized lectin Concanavalin
A (ConA), as well as ConBr, the lectin from Canavalia brasiliensis, the subject of this review.
Since 1979, several studies have been published in the literature regarding this lectin, from its isolation
and characterization to its several biological activities. This year, 2019, will mark 40 years since researchers
have begun to study ConBr and 100 years since the discovery of ConA, making 2019 a momentous
year for lectinology. Owing to the abundance of studies involving ConBr, this review will
focus on ConBr’s purification, physicochemical properties, functional and structural analyses, biological
activities and biotechnological applications. This will give researchers a broad glimpse into the
potential of this lectin, as well as it characteristics, as we look ahead to its expanding applications in
glycomics and biotechnology.
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Affiliation(s)
- Benildo Sousa Cavada
- BioMol-Lab, Department of Biochemistry and Molecular Biology, Federal University of Ceara, Ceara, Brazil
| | | | - Vanir Reis Pinto-Junior
- BioMol-Lab, Department of Biochemistry and Molecular Biology, Federal University of Ceara, Ceara, Brazil
| | - Kyria Santiago Nascimento
- BioMol-Lab, Department of Biochemistry and Molecular Biology, Federal University of Ceara, Ceara, Brazil
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Cavada BS, Pinto-Junior VR, Osterne VJS, Nascimento KS. ConA-Like Lectins: High Similarity Proteins as Models to Study Structure/Biological Activities Relationships. Int J Mol Sci 2018; 20:ijms20010030. [PMID: 30577614 PMCID: PMC6337138 DOI: 10.3390/ijms20010030] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 12/17/2018] [Accepted: 12/19/2018] [Indexed: 01/03/2023] Open
Abstract
Lectins are a widely studied group of proteins capable of specific and reversible binding to carbohydrates. Undoubtedly, the best characterized are those extracted from plants of the Leguminosae family. Inside this group of proteins, those from the Diocleinae subtribe have attracted attention, in particular Concanavalin A (ConA), the best-studied lectin of the group. Diocleinae lectins, also called ConA-like lectins, present a high similarity of sequence and three-dimensional structure and are known to present inflammatory, vasoactive, antibiotic, immunomodulatory and antitumor activities, among others. This high similarity of lectins inside the ConA-like group makes it possible to use them to study structure/biological activity relationships by the variability of both carbohydrate specificity and biological activities results. It is in this context the following review aims to summarize the most recent data on the biochemical and structural properties, as well as biological activities, of ConA-like lectins and the use of these lectins as models to study structure/biological activity relationships.
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Affiliation(s)
- Benildo S Cavada
- BioMol-Lab, Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza-CE 60440-970, Brazil.
| | - Vanir R Pinto-Junior
- BioMol-Lab, Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza-CE 60440-970, Brazil.
| | - Vinicius J S Osterne
- BioMol-Lab, Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza-CE 60440-970, Brazil.
| | - Kyria S Nascimento
- BioMol-Lab, Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza-CE 60440-970, Brazil.
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11
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Batista KL, Silva CR, Santos VF, Silva RC, Roma RR, Santos AL, Pereira RO, Delatorre P, Rocha BA, Soares AM, Costa-Júnior LM, Teixeira CS. Structural analysis and anthelmintic activity of Canavalia brasiliensis lectin reveal molecular correlation between the carbohydrate recognition domain and glycans of Haemonchus contortus. Mol Biochem Parasitol 2018; 225:67-72. [DOI: 10.1016/j.molbiopara.2018.09.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 08/29/2018] [Accepted: 09/10/2018] [Indexed: 11/17/2022]
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12
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Gondim ACS, Romero-Canelón I, Sousa EHS, Blindauer CA, Butler JS, Romero MJ, Sanchez-Cano C, Sousa BL, Chaves RP, Nagano CS, Cavada BS, Sadler PJ. The potent anti-cancer activity of Dioclea lasiocarpa lectin. J Inorg Biochem 2017; 175:179-189. [PMID: 28756174 DOI: 10.1016/j.jinorgbio.2017.07.011] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Revised: 07/03/2017] [Accepted: 07/10/2017] [Indexed: 02/07/2023]
Abstract
The lectin DLasiL was isolated from seeds of the Dioclea lasiocarpa collected from the northeast coast of Brazil and characterized for the first time by mass spectrometry, DNA sequencing, inductively coupled plasma-mass spectrometry, electron paramagnetic resonance, and fluorescence spectroscopy. The structure of DLasiL lectin obtained by homology modelling suggested strong conservation of the dinuclear Ca/Mn and sugar-binding sites, and dependence of the solvent accessibility of tryptophan-88 on the oligomerisation state of the protein. DLasiL showed highly potent (low nanomolar) antiproliferative activity against several human carcinoma cell lines including A2780 (ovarian), A549 (lung), MCF-7 (breast) and PC3 (prostate), and was as, or more, potent than the lectins ConBr (Canavalia brasiliensis), ConM (Canavalia maritima) and DSclerL (Dioclea sclerocarpa) against A2780 and PC3 cells. Interestingly, DLasiL lectin caused a G2/M arrest in A2780 cells after 24h exposure, activating caspase 9 and delaying the on-set of apoptosis. Confocal microscopy showed that fluorescently-labelled DLasiL localized around the nuclei of A2780 cells at lectin doses of 0.5-2× IC50 and gave rise to enlarged nuclei and spreading of the cells at high doses. These data reveal the interesting antiproliferative activity of DLasiL lectin, and suggest that further investigations to explore the potential of DLasiL as a new anticancer agent are warranted.
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Affiliation(s)
- Ana C S Gondim
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, 60455-760 Fortaleza, Ceará, Brazil; Department of Chemistry, University of Warwick, Coventry CV4 7AL, UK; Department of Organic and Inorganic Chemistry, Federal University of Ceará, 60455-900 Fortaleza, Ceará, Brazil
| | | | - Eduardo H S Sousa
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, UK; Department of Organic and Inorganic Chemistry, Federal University of Ceará, 60455-900 Fortaleza, Ceará, Brazil
| | | | - Jennifer S Butler
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, UK
| | - María J Romero
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, UK
| | | | - Bruno L Sousa
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, 60455-760 Fortaleza, Ceará, Brazil
| | - Renata P Chaves
- Department of Fishing and Engineering, Federal University of Ceará, 60455-900 Fortaleza, Ceará, Brazil
| | - Celso S Nagano
- Department of Fishing and Engineering, Federal University of Ceará, 60455-900 Fortaleza, Ceará, Brazil
| | - Benildo S Cavada
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, 60455-760 Fortaleza, Ceará, Brazil.
| | - Peter J Sadler
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, UK.
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Osterne VJS, Silva-Filho JC, Santiago MQ, Pinto-Junior VR, Almeida AC, Barreto AAGC, Wolin IAV, Nascimento APM, Amorim RMF, Rocha BAM, Delatorre P, Nagano CS, Leal RB, Assreuy AMS, Nascimento KS, Cavada BS. Structural characterization of a lectin from Canavalia virosa seeds with inflammatory and cytotoxic activities. Int J Biol Macromol 2017; 94:271-282. [DOI: 10.1016/j.ijbiomac.2016.10.020] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2016] [Revised: 10/08/2016] [Accepted: 10/09/2016] [Indexed: 01/25/2023]
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Structural characterization of a Vatairea macrocarpa lectin in complex with a tumor-associated antigen: A new tool for cancer research. Int J Biochem Cell Biol 2016; 72:27-39. [DOI: 10.1016/j.biocel.2015.12.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Revised: 12/05/2015] [Accepted: 12/31/2015] [Indexed: 11/22/2022]
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15
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Silva AF, Matos MP, Ralph MT, Silva DL, de Alencar NM, Ramos MV, Lima-Filho JV. Comparison of immunomodulatory properties of mannose-binding lectins from Canavalia brasiliensis and Cratylia argentea in a mice model of Salmonella infection. Int Immunopharmacol 2016; 31:233-8. [DOI: 10.1016/j.intimp.2015.12.036] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2015] [Revised: 12/06/2015] [Accepted: 12/28/2015] [Indexed: 02/08/2023]
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16
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Structural analysis of a Dioclea sclerocarpa lectin: Study on the vasorelaxant properties of Dioclea lectins. Int J Biol Macromol 2016; 82:464-70. [DOI: 10.1016/j.ijbiomac.2015.10.052] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2015] [Revised: 10/18/2015] [Accepted: 10/19/2015] [Indexed: 12/11/2022]
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17
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Abhilash J, Geethanandan K, Bharath S, Sabu A, Sadasivan C, Haridas M. The crystal structure of a lectin from Butea monosperma: Insight into its glycosylation and binding of ligands. Int J Biol Macromol 2015; 72:1376-83. [DOI: 10.1016/j.ijbiomac.2014.10.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2014] [Revised: 09/30/2014] [Accepted: 10/01/2014] [Indexed: 10/24/2022]
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18
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Sousa BL, Silva Filho JC, Kumar P, Pereira RI, Łyskowski A, Rocha BAM, Delatorre P, Bezerra GA, Nagano CS, Gruber K, Cavada BS. High-resolution structure of a new Tn antigen-binding lectin from Vatairea macrocarpa and a comparative analysis of Tn-binding legume lectins. Int J Biochem Cell Biol 2014; 59:103-10. [PMID: 25499445 DOI: 10.1016/j.biocel.2014.12.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Revised: 11/10/2014] [Accepted: 12/03/2014] [Indexed: 11/28/2022]
Abstract
Plant lectins have been studied as histological markers and promising antineoplastic molecules for a long time, and structural characterization of different lectins bound to specific cancer epitopes has been carried out successfully. The crystal structures of Vatairea macrocarpa (VML) seed lectin in complex with GalNAc-α-O-Ser (Tn antigen) and GalNAc have been determined at the resolution of 1.4Å and 1.7Å, respectively. Molecular docking analysis of this new structure and other Tn-binding legume lectins to O-mucin fragments differently decorated with this antigen provides a comparative binding profile among these proteins, stressing that subtle alterations that may not influence monosaccharide binding can, nonetheless, directly impact the ability of these lectins to recognize naturally occurring antigens. In addition to the specific biological effects of VML, the structural and binding similarities between it and other lectins commonly used as histological markers (e.g., VVLB4 and SBA) strongly suggest VML as a candidate tool for cancer research.
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Affiliation(s)
- Bruno Lopes Sousa
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Av. Mister Hull s/n, Bloco 907, Box 6043, 60440-970 Fortaleza, Ceará, Brazil
| | - José Caetano Silva Filho
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Av. Mister Hull s/n, Bloco 907, Box 6043, 60440-970 Fortaleza, Ceará, Brazil
| | - Prashant Kumar
- Institute of Molecular Biosciences, University of Graz, Humboldtstrasse 50/3, A-8010 Graz, Austria
| | - Ronniery Ilário Pereira
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Av. Mister Hull s/n, Bloco 907, Box 6043, 60440-970 Fortaleza, Ceará, Brazil
| | - Andrzej Łyskowski
- Department of Biochemistry and Biotechnology, Rzeszów University of Technology, 35-959 Rzeszów, Poland
| | - Bruno Anderson Matias Rocha
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Av. Mister Hull s/n, Bloco 907, Box 6043, 60440-970 Fortaleza, Ceará, Brazil
| | - Plínio Delatorre
- Departamento de Biologia Molecular, Universidade Federal da Paraíba, Cidade Universitária, 58059-900 João Pessoa, Brazil
| | - Gustavo Arruda Bezerra
- Department of Structural and Computational Biology, Max F. Perutz Laboratories, University of Vienna, A-1030 Vienna, Austria
| | - Celso Shiniti Nagano
- Departamento de Engenharia de Pesca, Universidade Federal do Ceará, Av. Mister Hull s/n, Bloco 827, Fortaleza, Brazil
| | - Karl Gruber
- Institute of Molecular Biosciences, University of Graz, Humboldtstrasse 50/3, A-8010 Graz, Austria
| | - Benildo Sousa Cavada
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Av. Mister Hull s/n, Bloco 907, Box 6043, 60440-970 Fortaleza, Ceará, Brazil.
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A lectin from Dioclea violacea Interacts with midgut surface of Lutzomyia migonei, unlike its homologues, Cratylia floribunda lectin and Canavalia gladiata lectin. ScientificWorldJournal 2014; 2014:239208. [PMID: 25431778 PMCID: PMC4238264 DOI: 10.1155/2014/239208] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2014] [Accepted: 10/02/2014] [Indexed: 11/24/2022] Open
Abstract
Leishmaniasis is a vector-borne disease transmitted by phlebotomine sand fly. Susceptibility and refractoriness to Leishmania depend on the outcome of multiple interactions that take place within the sand fly gut. Promastigote attachment to sand fly midgut epithelium is essential to avoid being excreted together with the digested blood meal. Promastigote and gut sand fly surface glycans are important ligands in this attachment. The purpose of the present study was to evaluate the interaction of three lectins isolated from leguminous seeds (Diocleinae subtribe), D-glucose and D-mannose-binding, with glycans on Lutzomyia migonei midgut. To study this interaction the lectins were labeled with FITC and a fluorescence assay was performed. The results showed that only Dioclea violacea lectin (DVL) was able to interact with midgut glycans, unlike Cratylia floribunda lectin (CFL) and Canavalia gladiata lectin (CGL). Furthermore, when DVL was blocked with D-mannose the interaction was inhibited. Differences of spatial arrangement of residues and volume of carbohydrate recognition domain (CRD) may be the cause of the fine specificity of DVL for glycans in the surface on Lu. migonei midgut. The findings in this study showed the presence of glycans in the midgut with glucose/mannose residues in its composition and these residues may be important in interaction between Lu. migonei midgut and Leishmania.
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Rocha BAM, Barroso-Neto IL, Teixeira CS, Santiago MQ, Pires AF, Souza LAG, Nascimento KS, Sampaio AH, Delatorre P, Assreuy AMS, Cavada BS. CRLI induces vascular smooth muscle relaxation and suggests a dual mechanism of eNOS activation by legume lectins via muscarinic receptors and shear stress. Arch Biochem Biophys 2014; 565:32-9. [PMID: 25444858 DOI: 10.1016/j.abb.2014.11.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2014] [Revised: 10/25/2014] [Accepted: 11/06/2014] [Indexed: 11/26/2022]
Abstract
Lectins are proteins able to recognize carbohydrates, without modifying their structure, via the carbohydrate-recognition domain (CRD). Here, the three-dimensional structure of the mannose-binding lectin isolated from Cymbosema roseum (CRLI) was determined with X-man molecule modeled into the carbohydrate recognition domain. CRLI relaxant activity in thoracic rat aorta was also investigated, and based on the results, a molecular docking of CRLI with heparan sulfate was performed to investigate the possible interaction with mechanoreceptors involved in vasorelaxation. CRLI (IC₅₀=12.4 μg mL(-)(1)) elicited vasorelaxant response (96%) in endothelialized rat aorta contracted with phenylephrine. Endothelium-derived relaxant factors, extracellular calcium (Ca(2+)e) and muscarinic receptors were also evaluated as putative participants in the CRLI relaxant effect. CRLI relaxant effect was blocked by L-NAME, a nonselective inhibitor of nitric oxide synthase (NOS), and partially inhibited in a calcium-free solution (0Ca) and by atropine, but it remained unchanged in the presence of indomethacin and TEA. In summary, our data suggest interaction between CRLI and muscarinic receptors located in vascular endothelial cells leading to NOS activation triggered by a mechanism that involves Ca(2+)e along with the ability of CRLI to interact with heparan sulfate, a highly rated mechanoreceptor involved in eNOS activation.
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Affiliation(s)
- Bruno A M Rocha
- Laboratório de Moléculas Biologicamente Ativas, Universidade Federal do Ceará, Fortaleza, Brazil
| | - Ito L Barroso-Neto
- Laboratório de Moléculas Biologicamente Ativas, Universidade Federal do Ceará, Fortaleza, Brazil
| | - Claudener S Teixeira
- Laboratório de Moléculas Biologicamente Ativas, Universidade Federal do Ceará, Fortaleza, Brazil; Departamento de Ciências Biológicas, Universidade Regional do Cariri, Campos Sales, Brazil
| | - Mayara Q Santiago
- Laboratório de Moléculas Biologicamente Ativas, Universidade Federal do Ceará, Fortaleza, Brazil
| | - Alana F Pires
- Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Fortaleza, Brazil
| | - Luiz A G Souza
- Instituto Nacional de Pesquisas da Amazônia-INPA, Manaus, Amazonas, Brazil
| | - Kyria S Nascimento
- Laboratório de Moléculas Biologicamente Ativas, Universidade Federal do Ceará, Fortaleza, Brazil
| | - Alexandre H Sampaio
- Biomol-Mar, Departamento de Engenharia de Pesca, Universidade Federal do Ceará, Fortaleza, Brazil
| | - Plinio Delatorre
- Departamento de Biologia Molecular, Universidade Federal da Paraíba, João Pessoa, Brazil.
| | - Ana M S Assreuy
- Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Fortaleza, Brazil
| | - Benildo S Cavada
- Laboratório de Moléculas Biologicamente Ativas, Universidade Federal do Ceará, Fortaleza, Brazil.
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Pattern Recognition in Legume Lectins to Extrapolate Amino Acid Variability to Sugar Specificity. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2014. [DOI: 10.1007/978-3-319-11280-0_13] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register]
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22
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Bezerra GA, Viertlmayr R, Moura TR, Delatorre P, Rocha BAM, do Nascimento KS, Figueiredo JG, Bezerra IG, Teixeira CS, Simões RC, Nagano CS, de Alencar NMN, Gruber K, Cavada BS. Structural studies of an anti-inflammatory lectin from Canavalia boliviana seeds in complex with dimannosides. PLoS One 2014; 9:e97015. [PMID: 24865454 PMCID: PMC4035259 DOI: 10.1371/journal.pone.0097015] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2014] [Accepted: 04/15/2014] [Indexed: 11/19/2022] Open
Abstract
Plant lectins, especially those purified from species of the Leguminosae family, represent the best-studied group of carbohydrate-binding proteins. Lectins purified from seeds of the Diocleinae subtribe exhibit a high degree of sequence identity notwithstanding that they show very distinct biological activities. Two main factors have been related to this feature: variance in key residues influencing the carbohydrate-binding site geometry and differences in the pH-dependent oligomeric state profile. In this work, we have isolated a lectin from Canavalia boliviana (Cbol) and solved its x-ray crystal structure in the unbound form and in complex with the carbohydrates Man(α1-3)Man(α1-O)Me, Man(α1-4)Man(α1-O)Me and 5-bromo-4-chloro-3-indolyl-α-D-mannose. We evaluated its oligomerization profile at different pH values using Small Angle X-ray Scattering and compared it to that of Concanavalin A. Based on predicted pKa-shifts of amino acids in the subunit interfaces we devised a model for the dimer-tetramer equilibrium phenomena of these proteins. Additionally, we demonstrated Cbol anti-inflammatory properties and further characterized them using in vivo and in vitro models.
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Affiliation(s)
- Gustavo Arruda Bezerra
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
- * E-mail: (BSC); (GAB)
| | - Roland Viertlmayr
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
| | - Tales Rocha Moura
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, Brazil
| | - Plínio Delatorre
- Department of Molecular Biology, Federal University of Paraíba, João Pessoa, Brazil
| | | | | | - Jozi Godoy Figueiredo
- Department of Physiology and Pharmacology, Federal University of Ceará, Fortaleza, Brazil
| | | | - Cicero Silvano Teixeira
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, Brazil
| | - Rafael Conceição Simões
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, Brazil
| | - Celso Shiniti Nagano
- Department of Fishing Engineering, Federal University of Ceará, Fortaleza, Brazil
| | | | - Karl Gruber
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
| | - Benildo Sousa Cavada
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, Brazil
- * E-mail: (BSC); (GAB)
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Barroso-Neto IL, Simões RC, Rocha BAM, Bezerra MJB, Pereira-Junior FN, Silva Osterne VJ, Nascimento KS, Nagano CS, Delatorre P, Pereira MG, Freitas Pires A, Sampaio AH, Assreuy AMS, Cavada BS. Vasorelaxant activity of Canavalia grandiflora seed lectin: A structural analysis. Arch Biochem Biophys 2013; 543:31-9. [PMID: 24361256 DOI: 10.1016/j.abb.2013.12.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2013] [Revised: 12/02/2013] [Accepted: 12/07/2013] [Indexed: 10/25/2022]
Abstract
Lectins are comprised of a large family of proteins capable of the specific and reversible recognition of carbohydrates. Legume lectins, the most studied plant lectins, show high structural similarity, but with modifications that imply a variation in the intensity of some biological activities. In this work, the primary and tertiary structures of Canavalia grandiflora (ConGF) were determined. ConGF, a lectin isolated from C. grandiflora seeds, is able to induce relaxant activity in rat aortic rings. The complete sequence of ConGF comprises 237 amino acids. This particular protein has primary sequence variations commonly found in lectins from Dioclea and Canavalia genera. The protein structure was solved at 2.3 Å resolution by X-ray crystallography. An X-Man molecule was modeled into the carbohydrate recognition domain. Still, ConGF (30 and 100 μg mL(-1)) elicited 25% of vasorelaxation (IC50=34.48 ± 5.07 μg mL(-1)) in endothelialized aortic rings. A nonselective inhibitor of nitric oxide blocked ConGF relaxant effect, showing mediation by nitric oxide. Key distances between ConGF carbohydrate recognition domain residues were determined in order to explain this effect, in turn revealing some structural aspects that could differentiate lectins from the Canavalia genera with respect to different efficacy in vasorelaxant effect.
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Affiliation(s)
| | - Rafael Conceição Simões
- Laboratório de Moléculas Biologicamente Ativas, Universidade Federal do Ceará, Fortaleza, Brazil
| | | | | | | | | | | | - Celso Shiniti Nagano
- Laboratório de Moléculas Biologicamente Ativas, Universidade Federal do Ceará, Fortaleza, Brazil; Departamento de Engenharia de Pesca, Universidade Federal do Ceará, Fortaleza, Brazil
| | - Plinio Delatorre
- Departamento de Biologia Molecular, Universidade Federal da Paraíba, João Pessoa, Brazil
| | - Maria Gonçalves Pereira
- Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Fortaleza, Brazil
| | - Alana Freitas Pires
- Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Fortaleza, Brazil
| | - Alexandre Holanda Sampaio
- Laboratório de Moléculas Biologicamente Ativas, Universidade Federal do Ceará, Fortaleza, Brazil; Departamento de Engenharia de Pesca, Universidade Federal do Ceará, Fortaleza, Brazil
| | | | - Benildo Sousa Cavada
- Laboratório de Moléculas Biologicamente Ativas, Universidade Federal do Ceará, Fortaleza, Brazil.
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Toxicity and binding profile of lectins from the Genus canavalia on brine shrimp. BIOMED RESEARCH INTERNATIONAL 2013; 2013:154542. [PMID: 24380079 PMCID: PMC3860074 DOI: 10.1155/2013/154542] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/16/2013] [Accepted: 10/24/2013] [Indexed: 12/15/2022]
Abstract
Lectins are sugar-binding proteins widely distributed in nature with many biological functions. Although many lectins have a remarkable biotechnological potential, some of them can be cytotoxic. Thus, the aim of this study was to assess the toxicity of five lectins, purified from seeds of different species of Canavalia genus. In order to determine the toxicity, assays with Artemia nauplii were performed. In addition, a fluorescence assay was carried out to evaluate the binding of lectins to Artemia nauplii. In order to verify the relationship between the structure of lectins and their cytotoxic effect, structural analysis was carried out to evaluate the volume of the carbohydrate recognition domain (CRD) of each lectin. The results showed that all lectins exhibited different toxicities and bound to a similar area in the digestive tract of Artemia nauplii. Concerning the structural analysis, differences in spatial arrangement and volume of CRD may explain the variation of the toxicity exhibited by each lectin. To this date, this is the first study that establishes a link between toxicity and structure of CRD from Diocleinae lectins.
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Binding pattern and toxicological effects of lectins from genus Canavalia on bovine sperm. Reprod Toxicol 2013; 38:72-80. [DOI: 10.1016/j.reprotox.2013.03.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2012] [Revised: 02/18/2013] [Accepted: 03/09/2013] [Indexed: 11/15/2022]
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26
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Bezerra MJB, Rodrigues NVFC, Pires ADF, Bezerra GA, Nobre CB, Alencar KLDL, Soares PMG, Nascimento KSD, Nagano CS, Martins JL, Gruber K, Sampaio AH, Delatorre P, Rocha BAM, Assreuy AMS, Cavada BS. Crystal structure of Dioclea violacea lectin and a comparative study of vasorelaxant properties with Dioclea rostrata lectin. Int J Biochem Cell Biol 2013; 45:807-15. [DOI: 10.1016/j.biocel.2013.01.012] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2012] [Revised: 12/23/2012] [Accepted: 01/14/2013] [Indexed: 12/16/2022]
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27
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Arruda Cavalcante TT, Carneiro VA, Neves CC, Sousa Duarte HD, Queiroz Martins MGD, Sousa Arruda FV, Vasconcelos MAD, dos Santos HS, Silva Cunha RMD, Cavada BS, Teixeira EH. A ConA-like lectin isolated from <i>Canavalia maritima</i> seeds alters the expression of genes related to virulence and biofilm formation in <i>Streptococcus mutans</i>. ACTA ACUST UNITED AC 2013. [DOI: 10.4236/abb.2013.412143] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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28
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de Vasconcelos MA, Cunha CO, Arruda FVS, Carneiro VA, Mercante FM, Neto LGDN, de Sousa GS, Rocha BAM, Teixeira EH, Cavada BS, dos Santos RP. Lectin from Canavalia brasiliensis seeds (ConBr) is a valuable biotechnological tool to stimulate the growth of Rhizobium tropici in vitro. Molecules 2012; 17:5244-54. [PMID: 22565477 PMCID: PMC6268693 DOI: 10.3390/molecules17055244] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2012] [Revised: 04/22/2012] [Accepted: 04/25/2012] [Indexed: 12/14/2022] Open
Abstract
To study the interactions between a Rhizobium tropici strain and lectins isolated from the seeds of Canavalia ensiformis (ConA) and Canavalia brasiliensis (ConBr), a lectin fluorescence assay was performed. In addition, an experiment was designed to evaluate the effect of the two lectins on bacterial growth. Both lectins were found to bind to R. tropici cells, but the interactions were inhibited by D-mannose. Interestingly, only ConBr stimulated bacterial growth in proportion to the concentrations used (15.6–500 µg/mL), and the bacterial growth stimulation was inhibited by D-mannose as well. Structure/Function analyses by bioinformatics were carried out to evaluate the volume and carbohydrate recognition domain (CRD) configuration of ConA and ConBr. The difference of spatial arrangement and volume of CRD may indicate the variation between biological activities of both lectins. The results suggest that ConBr could be a promising tool for studies focusing on the interactions between rhizobia and host plants.
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Affiliation(s)
- Mayron Alves de Vasconcelos
- Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza, CE 60440-970, Brazil; (M.A.V.); (C.O.C.); (B.A.M.R.)
| | - Claudio Oliveira Cunha
- Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza, CE 60440-970, Brazil; (M.A.V.); (C.O.C.); (B.A.M.R.)
| | - Francisco Vassiliepe Sousa Arruda
- Integrated Laboratory of Biomolecules (LIBS), School of Medicine, Federal University of Ceara, Sobral, CE 62042-280, Brazil; (F.V.S.A.); (V.A.C.); (L.G.N.N.); (E.H.T.)
| | - Victor Alves Carneiro
- Integrated Laboratory of Biomolecules (LIBS), School of Medicine, Federal University of Ceara, Sobral, CE 62042-280, Brazil; (F.V.S.A.); (V.A.C.); (L.G.N.N.); (E.H.T.)
| | | | - Luiz Gonzaga do Nascimento Neto
- Integrated Laboratory of Biomolecules (LIBS), School of Medicine, Federal University of Ceara, Sobral, CE 62042-280, Brazil; (F.V.S.A.); (V.A.C.); (L.G.N.N.); (E.H.T.)
| | - Giselly Soares de Sousa
- Computer Engineering/Biotechnology Center of Sobral, Federal University of Ceara, CE 62011-000, Brazil;
| | - Bruno Anderson Matias Rocha
- Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza, CE 60440-970, Brazil; (M.A.V.); (C.O.C.); (B.A.M.R.)
| | - Edson Holanda Teixeira
- Integrated Laboratory of Biomolecules (LIBS), School of Medicine, Federal University of Ceara, Sobral, CE 62042-280, Brazil; (F.V.S.A.); (V.A.C.); (L.G.N.N.); (E.H.T.)
| | - Benildo Sousa Cavada
- Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza, CE 60440-970, Brazil; (M.A.V.); (C.O.C.); (B.A.M.R.)
- Authors to whom correspondence should be addressed; (B.S.C.); (R.P.S.); Tel./Fax: +55-85-3366-9818 (B.S.C.); Tel.: +55-88-3613-2829 (R.P.S.)
| | - Ricardo Pires dos Santos
- Computer Engineering/Biotechnology Center of Sobral, Federal University of Ceara, CE 62011-000, Brazil;
- Authors to whom correspondence should be addressed; (B.S.C.); (R.P.S.); Tel./Fax: +55-85-3366-9818 (B.S.C.); Tel.: +55-88-3613-2829 (R.P.S.)
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Souza Teixeira C, da Silva HC, de Moura TR, Pereira-Júnior FN, do Nascimento KS, Nagano CS, Sampaio AH, Delatorre P, Rocha BAM, Cavada BS. Crystal structure of the lectin of Camptosema pedicellatum: implications of a conservative substitution at the hydrophobic subsite. J Biochem 2012; 152:87-98. [PMID: 22554687 DOI: 10.1093/jb/mvs047] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Lectins have been used as models for studies of the molecular basis of protein-carbohydrate interaction and specificity by deciphering codes present in the glycan structures. The purpose of the present study was to purify and solve the complete primary and crystal structure of the lectin of Camptosema pedicellatum (CPL) complexed with 5-bromo-4-chloro-3-indolyl-α-d-mannose (X-Man) using tandem mass spectrometry. CPL was purified by single-step affinity chromatography. Mass spectrometry findings revealed that purified CPL features a combination of chains weighing 25,298 ± 2 (α-chain), 12,835 ± 2 (β-chain) and 12,481 ± 2 Da (γ-chain). The solved crystal structure of CPL features a conservative mutation in the hydrophobic subsite, a constituent of the carbohydrate recognition domain (CRD), indicating the relevance of hydrophobic interactions in the establishment of interactions with carbohydrates. The substitution and the analysis of the interactions with X-Man also revealed that the hydrophobic effect caused by a minor change in the hydrophobic subsite interferes in the formation of H-bonds due to the reorientation of the indolyl group in the CRD.
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Affiliation(s)
- Claudener Souza Teixeira
- BioMol-Lab, Laboratório de Moléculas Biologicamente Ativas, Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Fortaleza, Ceará 60440-970, Brazil
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Batista da Nóbrega R, Rocha BA, Gadelha CAA, Santi-Gadelha T, Pires AF, Assreuy AMS, Nascimento KS, Nagano CS, Sampaio AH, Cavada BS, Delatorre P. Structure of Dioclea virgata lectin: Relations between carbohydrate binding site and nitric oxide production. Biochimie 2012; 94:900-6. [DOI: 10.1016/j.biochi.2011.12.009] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2011] [Accepted: 12/09/2011] [Indexed: 01/28/2023]
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Crystal structure of a pro-inflammatory lectin from the seeds of Dioclea wilsonii Standl. Biochimie 2011; 94:525-32. [PMID: 21924319 DOI: 10.1016/j.biochi.2011.09.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2011] [Accepted: 09/01/2011] [Indexed: 01/06/2023]
Abstract
The crystal structure and pro-inflammatory property of a lectin from the seeds of Dioclea wilsonii (DwL) were analyzed to gain a better understanding of structure/function relationships of Diocleinae lectins. Following crystallization and structural determination by standard molecular replacement techniques, DwL was found to be a tetramer based on PISA analysis, and composed by two metal-binding sites per monomer and loops which are involved in molecular oligomerization. DwL presents 96% and 99% identity with two other previously described lectins of Dioclea rostrata (DRL) and Dioclea grandiflora (DGL). DwL differs structurally from DVL and DRL with regard to the conformation of the carbohydrate recognition domain and related biological activities. The structural analysis of DwL in comparison to other Diocleinae lectins can be related to the differences in the dose-dependent pro-inflammatory effect elicited in Wistar rats, probably via specific interactions with mast cells complex carbohydrate, resulting in significant paw edema. DwL appears to be involved in positive modulation of mast cell degranulation via recognition of surface carbohydrates. Since this recognition is dependent on site volume and CRD configuration, edematogenesis mediated by resident cells varies in potency and efficacy among different Diocleinae lectins.
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