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Reis WF, Silva MES, Gondim ACS, Torres RCF, Carneiro RF, Nagano CS, Sampaio AH, Teixeira CS, Gomes LCBF, Sousa BL, Andrade AL, Teixeira EH, Vasconcelos MA. Glucose-Binding Dioclea bicolor Lectin (DBL): Purification, Characterization, Structural Analysis, and Antibacterial Properties. Protein J 2024; 43:559-576. [PMID: 38615284 DOI: 10.1007/s10930-024-10199-9] [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] [Accepted: 04/07/2024] [Indexed: 04/15/2024]
Abstract
In this study, we purified a lectin isolated from the seeds of Dioclea bicolor (DBL) via affinity purification. Electrophoresis analysis revealed that DBL had three bands, α, β, and γ chains, with molecular masses of approximately 29, 14, and 12 kDa, respectively. Gel filtration chromatography revealed that the native form of DBL had a molecular mass of approximately 100 kDa, indicating that it is a tetramer. Interestingly, DBL-induced hemagglutination was inhibited by several glucosides, mannosides, ampicillin, and tetracycline with minimum inhibitory concentration (MIC) values of 1.56-50 mM. Analysis of the complete amino acid sequence of DBL revealed the presence of 237 amino acids with high similarity to other Diocleinae lectins. Circular dichroism showed the prominent β-sheet secondary structure of DBL. Furthermore, DBL structure prediction revealed a Discrete Optimized Protein Energy (DOPE) score of -26,642.69141/Normalized DOPE score of -1.84041. The DBL monomer was found to consist a β-sandwich based on its 3D structure. Molecular docking showed the interactions between DBL and α-D-glucose, N-acetyl-D-glucosamine, α-D-mannose, α-methyl-D-mannoside, ampicillin, and tetracycline. In addition, DBL showed antimicrobial activity with an MIC of 125 μg/mL and exerted synergistic effects in combination with ampicillin and tetracycline (fractional inhibitory concentration index ≤ 0.5). Additionally, DBL significantly inhibited biofilm formation and showed no toxicity in murine fibroblasts (p < 0.05). These results suggest that DBL exhibits antimicrobial activity and works synergistically with antibiotics.
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Affiliation(s)
- Willian F Reis
- Departamento de Ciências da Natureza E da Terra, Universidade Do Estado de Minas Gerais, Unidade de Divinópolis, Divinópolis, MG, Brazil
| | - Marcos E S Silva
- Faculdade de Educação de Itapipoca, Universidade Estadual Do Ceará, Itapipoca, CE, Brazil
- Faculdade de Ciências Exatas E Naturais, Universidade Do Estado Do Rio Grande Do Norte, Mossoró, RN, Brazil
| | - Ana C S Gondim
- Departamento de Química Orgânica E Inorgânica, Universidade Federal Do Ceará, Fortaleza, CE, Brazil
| | - Renato C F Torres
- Centro de Ciências Agrárias E da Biodiversidade, Universidade Federal Do Cariri, Crato, CE, Brazil
| | - Rômulo F Carneiro
- Laboratório de Biotecnologia Marinha - BioMar-Lab, Departamento de Engenharia de Pesca, Universidade Federal Do Ceará, Fortaleza, CE, Brazil
| | - Celso S Nagano
- Laboratório de Biotecnologia Marinha - BioMar-Lab, Departamento de Engenharia de Pesca, Universidade Federal Do Ceará, Fortaleza, CE, Brazil
| | - Alexandre H Sampaio
- Laboratório de Biotecnologia Marinha - BioMar-Lab, Departamento de Engenharia de Pesca, Universidade Federal Do Ceará, Fortaleza, CE, Brazil
| | - Claudener S Teixeira
- Centro de Ciências Agrárias E da Biodiversidade, Universidade Federal Do Cariri, Crato, CE, Brazil
| | - Lenita C B F Gomes
- Faculdade de Filosofia Dom Aureliano Matos, Universidade Estadual Do Ceará, Limoeiro Do Norte, CE, Brazil
| | - Bruno L Sousa
- Faculdade de Filosofia Dom Aureliano Matos, Universidade Estadual Do Ceará, Limoeiro Do Norte, CE, Brazil
| | - Alexandre L Andrade
- Laboratório Integrado de Biomoléculas - LIBS, Departamento de Patologia E Medicina Legal, Universidade Federal Do Ceará, Fortaleza, CE, Brazil
| | - Edson H Teixeira
- Laboratório Integrado de Biomoléculas - LIBS, Departamento de Patologia E Medicina Legal, Universidade Federal Do Ceará, Fortaleza, CE, Brazil
| | - Mayron A Vasconcelos
- Departamento de Ciências da Natureza E da Terra, Universidade Do Estado de Minas Gerais, Unidade de Divinópolis, Divinópolis, MG, Brazil.
- Faculdade de Educação de Itapipoca, Universidade Estadual Do Ceará, Itapipoca, CE, Brazil.
- Faculdade de Ciências Exatas E Naturais, Universidade Do Estado Do Rio Grande Do Norte, Mossoró, RN, Brazil.
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2
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Tang C, Jiang X, Liu C, Washburn BK, Sathe SK, Rao Q. Effect of temperature on structural configuration and immunoreactivity of pH-stressed soybean (Glycine max) agglutinin. Food Chem 2024; 442:138376. [PMID: 38219572 DOI: 10.1016/j.foodchem.2024.138376] [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: 11/06/2023] [Revised: 12/21/2023] [Accepted: 01/04/2024] [Indexed: 01/16/2024]
Abstract
Soybean agglutinin (SBA) was purified using ammonium sulfate precipitation and liquid chromatography. Purified SBA was used to produce monoclonal antibodies through hybridoma technology. SBA secondary structure was studied using circular dichroism. pH-stressed (pHs 3.0, 7.2, 8.5, and 9.6) SBA physical properties (particle size, ζ-potential, and aggregation temperature) were investigated. Gel electrophoresis (non-native and native) was used to study heat-induced structural configuration changes in SBA. The effect of pH and temperature on the immunoreactivity of SBA was analyzed using enzyme-linked immunosorbent assay and immunoblots probed with two anti-SBA monoclonal antibodies with either linear or conformational epitopes. The hemagglutinating activity of heated SBA was measured by hemagglutination assay. Our results indicated that SBA had the least thermostability at pH 3.0 and the highest at pH 8.5. Temperature-induced structural configuration change on pH-stressed SBA led to immunoreactivity change. Heat-induced (70 and 80 °C) soluble SBA aggregation was proportionally related to hemagglutinating activity reduction.
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Affiliation(s)
- Chunya Tang
- Department of Health, Nutrition, and Food Sciences, Florida State University, Tallahassee, FL, USA.
| | - Xingyi Jiang
- Department of Health, Nutrition, and Food Sciences, Florida State University, Tallahassee, FL, USA.
| | - Changqi Liu
- School of Exercise and Nutritional Sciences, San Diego State University, San Diego, CA, USA.
| | - Brian K Washburn
- Department of Biological Science, Florida State University, Tallahassee, FL, USA.
| | - Shridhar K Sathe
- Department of Health, Nutrition, and Food Sciences, Florida State University, Tallahassee, FL, USA
| | - Qinchun Rao
- Department of Health, Nutrition, and Food Sciences, Florida State University, Tallahassee, FL, USA.
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3
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Sá GCDAS, Gadelha TS, Fragoso SP, Pacheco MTB, Lima EDEO, Rocha HADEO, Uchôa AF, Gadelha CADEA. Protein fraction from Sesbania virgata (Cav.) Pers. seeds exhibit antioxidant and antifungal activities. AN ACAD BRAS CIENC 2024; 96:e20230043. [PMID: 38808874 DOI: 10.1590/0001-3765202420230043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 02/21/2024] [Indexed: 05/30/2024] Open
Abstract
Sesbania virgata (Cav.) Pers. seeds are protein sources with health and environmental benefits. In this research, proteins with lectin activity were identified in a protein fraction from S. virgata seeds (PFLA), as well its antioxidant and antimicrobial potentials, in addition to cytotoxic effects. To obtain PFLA, seed flour was homogenized in Glycine-NaOH (100 mM; pH 9.0; NaCl 150 mM) and precipitated in ammonium sulfate. PFLA concentrates bioactive lectins (32 HU/mL, 480 HU/gFa, 18.862 HU/mgP) and essential amino acids (13.36 g/100g protein). PFLA exerts antioxidant activity, acting as a promising metal chelating agent (~77% of activity). Analyzes of cell culture assay results suggest that antioxidant activity of PFLA may be associated with the recruitment of essential molecules to prevent the metabolic impairment of cells exposed to oxidative stress. PFLA (256 - 512 µg/mL) also exhibits antifungal activity, inhibiting the growth of Aspergillus flavus, Candida albicans, Candida tropicalis and Penicillium citrinum. Cytotoxic analysis indicates a tendency of low interference in the proliferation of 3T3 and HepG2 cells in the range of PFLA concentrations with biological activity. These findings support the notion that PFLA is a promising adjuvant to be applied in current policies on the management of metal ion chelation and fungal infections.
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Affiliation(s)
- Giulian César DA S Sá
- Universidade Federal do Sul e Sudeste do Pará, Folha 17, Quadra 04, Lote Especial, s/n, Nova Marabá, 68505-080 Marabá, PA, Brazil
| | - Tatiane S Gadelha
- Universidade Federal da Paraíba, Departamento de Biologia Molecular, Laboratório de Química de Proteínas e Peptídeos, Conjunto Presidente Castelo Branco III, 58050-585 João Pessoa, PB, Brazil
| | - Sinara P Fragoso
- Universidade Federal da Paraíba, Departamento de Engenharia de Alimentos, Campus Universitário III, Rua João Pessoa, s/n, 58220-000 Bananeiras, PB, Brazil
| | - Maria Teresa B Pacheco
- Instituto de Tecnologia de Alimentos, Av. Brasil, 2880, Vila Nova, 13070-178 Campinas, SP, Brazil
| | - Edeltrudes DE O Lima
- Universidade Federal da Paraíba, Departamento de Ciências Farmacêuticas, Laboratório de Atividades Antibacterianas e Antifúngicas de Produtos Bioativos Naturais e/ou Sintéticos, Conjunto Presidente Castelo Branco III, 58051-085 João Pessoa, PB, Brazil
| | - Hugo Alexandre DE O Rocha
- Universidade Federal do Rio Grande do Norte, Departamento de Bioquímica, Laboratório de Biotecnologia de Polímeros Naturais, Av. Passeio dos Girassóis, 655, Capim Macio, 59078-970 Natal, RN, Brazil
| | - Adriana F Uchôa
- Universidade Federal do Rio Grande do Norte, Departamento de Biologia Celular e Genética, Instituto de Medicina Tropical do Rio Grande do Norte, Laboratório de Proteomas e Micologia, Av. Passeio dos Girassóis, 655, Capim Macio, 59078-970 Natal, RN, Brazil
| | - Carlos Alberto DE A Gadelha
- Universidade Federal da Paraíba, Departamento de Biologia Molecular, Laboratório de Proteômica Estrutural, Conjunto Presidente Castelo Branco III, 58050-585 João Pesso, PB, Brazil
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Manzanilla-Valdez ML, Ma Z, Mondor M, Hernández-Álvarez AJ. Decoding the Duality of Antinutrients: Assessing the Impact of Protein Extraction Methods on Plant-Based Protein Sources. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024. [PMID: 38780067 DOI: 10.1021/acs.jafc.4c00380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
This review aims to provide an updated overview of the effects of protein extraction/recovery on antinutritional factors (ANFs) in plant protein ingredients, such as protein-rich fractions, protein concentrates, and isolates. ANFs mainly include lectins, trypsin inhibitors, phytic acid, phenolic compounds, oxalates, saponins, tannins, and cyanogenic glycosides. The current technologies used to recover proteins (e.g., wet extraction, dry fractionation) and novel technologies (e.g., membrane processing) are included in this review. The mechanisms involved during protein extraction/recovery that may enhance or decrease the ANF content in plant protein ingredients are discussed. However, studies on the effects of protein extraction/recovery on specific ANFs are still scarce, especially for novel technologies such as ultrasound- and microwave-assisted extraction and membrane processing. Although the negative effects of ANFs on protein digestibility and the overall absorption of plant proteins and other nutrients are a health concern, it is also important to highlight the potential positive effects of ANFs. This is particularly relevant given the rise of novel protein ingredients in the market and the potential presence or absence of these factors and their effects on consumers' health.
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Affiliation(s)
| | - Zidan Ma
- Food Science and Nutrition, University of Leeds, Leeds, LS2 9JT, United Kingdom
| | - Martin Mondor
- Saint-Hyacinthe Research and Development Centre, Agriculture and Agri-Food Canada, Saint-Hyacinthe, Quebec Canada, J2S 8E3
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Quebec, Quebec G1V 0A6, Canada
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5
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Bercea M, Lupu A. Recent Insights into Glucose-Responsive Concanavalin A-Based Smart Hydrogels for Controlled Insulin Delivery. Gels 2024; 10:260. [PMID: 38667679 PMCID: PMC11048858 DOI: 10.3390/gels10040260] [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: 02/25/2024] [Revised: 03/24/2024] [Accepted: 04/08/2024] [Indexed: 04/28/2024] Open
Abstract
Many efforts are continuously undertaken to develop glucose-sensitive biomaterials able of controlling glucose levels in the body and self-regulating insulin delivery. Hydrogels that swell or shrink as a function of the environmental free glucose content are suitable systems for monitoring blood glucose, delivering insulin doses adapted to the glucose concentration. In this context, the development of sensors based on reversible binding to glucose molecules represents a continuous challenge. Concanavalin A (Con A) is a bioactive protein isolated from sword bean plants (Canavalia ensiformis) and contains four sugar-binding sites. The high affinity for reversibly and specifically binding glucose and mannose makes Con A as a suitable natural receptor for the development of smart glucose-responsive materials. During the last few years, Con A was used to develop smart materials, such as hydrogels, microgels, nanoparticles and films, for producing glucose biosensors or drug delivery devices. This review is focused on Con A-based materials suitable in the diagnosis and therapeutics of diabetes. A brief outlook on glucose-derived theranostics of cancer is also presented.
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Affiliation(s)
- Maria Bercea
- “Petru Poni” Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Alexandra Lupu
- “Petru Poni” Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania
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6
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Wang P, Min S, Chen C, Hu J, Wei D, Wang X. Phytohemagglutinin from Phaseolus vulgaris enhances the lung cancer cell chemotherapy sensitivity by changing cell membrane permeability. J Nat Med 2024; 78:355-369. [PMID: 38265611 DOI: 10.1007/s11418-023-01772-0] [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: 07/17/2023] [Accepted: 12/08/2023] [Indexed: 01/25/2024]
Abstract
Chemotherapy is still a prevalent strategy for clinical lung cancer treatment. However, the inevitable emerged drug resistance has become a great hurdle to therapeutic effect. Studies have demonstrated that the primary cause of drug resistance is a decrease in the chemotherapeutic medicine concentration. Several lectins have been confirmed to be effective as chemotherapy adjuvants, enhancing the anti-tumor effects of chemotherapy drugs. Here, we combined phytohemagglutinin (PHA), which has been reported possess anti-tumor effects, with chemotherapy drugs Cisplatin (DDP) and Adriamycin (ADM) on lung cancer cells to detect the sensitivities of PHA as a chemotherapy adjuvant. Our results demonstrated that the PHA significantly enhanced the sensitivity of lung cancer cells to DDP and ADM, and Western blot showed that PHA combined with DDP or ADM enhance cytotoxic effects by inhibiting autophagy and promoting apoptosis. More importantly, we found PHA enhanced the chemotherapeutic drugs cytotoxicity by changing the cell membrane to increase the intracellular chemotherapeutic drugs concentration. Besides, the combination of PHA and ADM increased the ADM concentration in the multidrug-resistant strain A549-R cells and achieved the drug sensitization effect. Our results suggest that PHA combined with chemotherapy can be applied in the treatment of lung cancer cells and lung cancer multidrug-resistant strains, and provide a novel strategy for clinical tumor chemotherapy and a new idea to solve the problem of drug resistance in clinical lung cancer.
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Affiliation(s)
- Peipei Wang
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Shitong Min
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Congliang Chen
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Junmei Hu
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Dapeng Wei
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Xia Wang
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China.
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Dam TK, Brewer CF. Multivalent lectin-carbohydrate interactions: Energetics and mechanisms of binding. Adv Carbohydr Chem Biochem 2023; 84:23-48. [PMID: 37979978 DOI: 10.1016/bs.accb.2023.10.005] [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] [Indexed: 11/20/2023]
Abstract
The biological signaling properties of lectins, which are carbohydrate-binding proteins, are due to their ability to bind and cross-link multivalent glycoprotein receptors on the surface of normal and transformed cells. While the cross-linking properties of lectins with multivalent carbohydrates and glycoproteins are relatively well understood, the mechanisms of binding of lectins to multivalent glycoconjugates are less well understood. Recently, the thermodynamics of binding of lectins to synthetic clustered glycosides, a multivalent globular glycoprotein, and to linear glycoproteins (mucins) have been described. The results are consistent with a dynamic binding mechanism in which lectins bind and jump from carbohydrate to carbohydrate epitope in these molecules. Importantly, the mechanism of binding of lectins to mucins is similar to that for a variety of protein ligands binding to DNA. Recent analysis also shows that high-affinity lectin-mucin cross-linking interactions are driven by favorable entropy of binding that is associated with the bind and jump mechanism. The results suggest that the binding of ligands to biopolymers, in general, may involve a common mechanism that involves enhanced entropic effects which facilitate binding and subsequent complex formation including enzymology.
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Affiliation(s)
- Tarun K Dam
- Formerly of the Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, United States.
| | - C Fred Brewer
- Department of Molecular Pharmacology, Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY, United States
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Lossio CF, Osterne VJS, Pinto-Junior VR, Chen S, Oliveira MV, Verduijn J, Verbeke I, Serna S, Reichardt NC, Skirtach A, Cavada BS, Van Damme EJM, Nascimento KS. Structural Analysis and Characterization of an Antiproliferative Lectin from Canavalia villosa Seeds. Int J Mol Sci 2023; 24:15966. [PMID: 37958949 PMCID: PMC10649158 DOI: 10.3390/ijms242115966] [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: 09/14/2023] [Revised: 10/29/2023] [Accepted: 10/30/2023] [Indexed: 11/15/2023] Open
Abstract
Cells use glycans to encode information that modulates processes ranging from cell-cell recognition to programmed cell death. This information is encoded within a glycocode, and its decoding is performed by carbohydrate-binding proteins. Among these, lectins stand out due to their specific and reversible interaction with carbohydrates. Changes in glycosylation patterns are observed in several pathologies, including cancer, where abnormal glycans are found on the surfaces of affected tissues. Given the importance of the bioprospection of promising biomolecules, the current work aimed to determine the structural properties and anticancer potential of the mannose-specific lectin from seeds of Canavalia villosa (Cvill). Experimental elucidation of the primary and 3D structures of the lectin, along with glycan array and molecular docking, facilitated the determination of its fine carbohydrate-binding specificity. These structural insights, coupled with the lectin's specificity, have been combined to explain the antiproliferative effect of Cvill against cancer cell lines. This effect is dependent on the carbohydrate-binding activity of Cvill and its uptake in the cells, with concomitant activation of autophagic and apoptotic pathways.
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Affiliation(s)
- Claudia F. Lossio
- Laboratory of Biologically Active Molecules, Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza 60440-970, Brazil (B.S.C.)
| | - Vinicius J. S. Osterne
- Laboratory of Biologically Active Molecules, Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza 60440-970, Brazil (B.S.C.)
- Laboratory of Biochemistry and Glycobiology, Department of Biotechnology, Ghent University, 9000 Ghent, Belgium
| | - Vanir R. Pinto-Junior
- Laboratory of Biologically Active Molecules, Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza 60440-970, Brazil (B.S.C.)
- Department of Physics, Federal University of Ceara, Fortaleza 60440-970, Brazil
| | - Simin Chen
- Laboratory of Biochemistry and Glycobiology, Department of Biotechnology, Ghent University, 9000 Ghent, Belgium
| | - Messias V. Oliveira
- Laboratory of Biologically Active Molecules, Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza 60440-970, Brazil (B.S.C.)
| | - Joost Verduijn
- Nano-Biotechnology Group, Department of Biotechnology, Ghent University, 9000 Ghent, Belgium
| | - Isabel Verbeke
- Laboratory of Biochemistry and Glycobiology, Department of Biotechnology, Ghent University, 9000 Ghent, Belgium
| | - Sonia Serna
- Glycotechnology Lab, Center for Cooperative Research in Biomaterials (CIC biomaGUNE), Basque Research and Technology Alliance (BRTA), Paseo de Miramon 194, 20014 Donostia-San Sebastián, Spain
| | - Niels C. Reichardt
- Glycotechnology Lab, Center for Cooperative Research in Biomaterials (CIC biomaGUNE), Basque Research and Technology Alliance (BRTA), Paseo de Miramon 194, 20014 Donostia-San Sebastián, Spain
- Centro de Investigación Biomédica en Red (CIBER-BBN), Paseo de Miramon 194, 20014 Donostia-San Sebastián, Spain
| | - Andre Skirtach
- Nano-Biotechnology Group, Department of Biotechnology, Ghent University, 9000 Ghent, Belgium
| | - Benildo S. Cavada
- Laboratory of Biologically Active Molecules, Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza 60440-970, Brazil (B.S.C.)
| | - Els J. M. Van Damme
- Laboratory of Biochemistry and Glycobiology, Department of Biotechnology, Ghent University, 9000 Ghent, Belgium
| | - Kyria S. Nascimento
- Laboratory of Biologically Active Molecules, Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza 60440-970, Brazil (B.S.C.)
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Wang P, Hu J, Min S, Chen C, Zhu Y, Pan Y, Wei D, Wang X. Recombinant Phaseolus vulgaris phytohemagglutinin L-form expressed in the Bacillus brevis exerts in vitro and in vivo anti-tumor activity through potentiation of apoptosis and immunomodulation. Int Immunopharmacol 2023; 120:110322. [PMID: 37269742 DOI: 10.1016/j.intimp.2023.110322] [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: 03/17/2023] [Revised: 04/27/2023] [Accepted: 05/08/2023] [Indexed: 06/05/2023]
Abstract
Leukocyte phytohemagglutinin (PHA-L) is a tetrameric isomer of phytohemagglutinin (PHA) purified from the red kidney bean (Phaseolus vulgaris) and is a well-known human lymphocyte mitogen. Due to its antitumor and immunomodulatory effects, PHA-L may serve as a potential antineoplastic agent in future cancer therapeutics. However, various negative consequences of PHA have been reported in the literature as a result of the restricted acquisition methods, including oral toxicity, hemagglutinating activity, and immunogenicity. There is a critical need to explore a new method to obtain PHA-L with high purity, high activity and low toxicity. In this report active recombinant PHA-L protein was successfully prepared by Bacillus brevius expression system, and the antitumor and immunomodulatory activities of recombinant PHA-L were characterized by in vitro and in vivo experiments. The results showed that recombinant PHA-L protein had stronger antitumor effect, and its anti-tumor mechanism was realized through direct cytotoxicity and immune regulation. Importantly, compared with natural PHA-L, the recombinant PHA-L protein showed the lower erythrocyte agglutination toxicity in vitro and immunogenicity in mice. Altogether, our study provides a new strategy and important experimental basis for the development of drugs with dual effects of immune regulation and direct antitumor activity.
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Affiliation(s)
- Peipei Wang
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Junmei Hu
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Shitong Min
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Congliang Chen
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Yue Zhu
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Yan Pan
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Dapeng Wei
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Xia Wang
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China.
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Osman MEM, Osman RSH, Elmubarak SA, Dirar AI, Konozy EHE. Phoenix dactylifera (date palm; Arecaceae) putative lectin homologs: Genome-wide search, architecture analysis, and evolutionary relationship. Saudi J Biol Sci 2023; 30:103676. [PMID: 37213699 PMCID: PMC10197109 DOI: 10.1016/j.sjbs.2023.103676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 04/10/2023] [Accepted: 04/27/2023] [Indexed: 05/23/2023] Open
Abstract
The date palm, Phoenix dactylifera, is a vital crop in nations in the Middle East and North Africa. The date palm was thought to have outstanding traditional medicinal value because it was abundant in phytochemicals with diverse chemical structures. The date palm's ability to withstand harsh environments could be partly attributed to a class of proteins known as lectins, which are carbohydrate-binding proteins that can bind sugar moieties reversibly and without changing their chemical structures. After scanning the genome of P. dactylifera (GCF 009389715.1), this in silico study discovered 196 possible lectin homologs from 11 different families, some specific to plants. At the same time, others could also be found in other kingdoms of life. Their domain architectures and functional amino acid residues were investigated, and they yielded a 40% true-lectin with known conserved carbohydrate-binding residues. Further, their probable subcellular localization, physiochemical and phylogenetic analyses were also performed. Scanning all putative lectin homologs against the anticancer peptide (ACP) dataset found in the AntiCP2.0 webpage identified 26 genes with protein kinase receptors (Lec-KRs) belonging to 5 lectin families, which are reported to have at least one ACP motif. Our study offers the first account of Phoenix-lectins and their organization that can be used for further structural and functional analysis and investigating their potential as anticancer proteins.
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Affiliation(s)
| | | | - Sara A.A Elmubarak
- Department of Biotechnology, Africa City of Technology (ACT), Khartoum, Sudan
| | - Amina I. Dirar
- Medicinal, Aromatic Plants and Traditional Medicine Research Institute (MAPTRI), National Center for Research, Mek Nimr Street, Khartoum, Sudan
| | - Emadeldin Hassan E. Konozy
- Department of Biotechnology, Africa City of Technology (ACT), Khartoum, Sudan
- Pharmaceutical Research and Development, Centre Faculty of Pharmacy, Karary University, Omdurman, Khartoum State, Sudan
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11
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Tan Y, Zhu J, Gutierrez Reyes CD, Lin Y, Tan Z, Wu Z, Zhang J, Cano A, Verschleisser S, Mechref Y, Singal AG, Parikh ND, Lubman DM. Discovery of Core-Fucosylated Glycopeptides as Diagnostic Biomarkers for Early HCC in Patients with NASH Cirrhosis Using LC-HCD-PRM-MS/MS. ACS OMEGA 2023; 8:12467-12480. [PMID: 37033807 PMCID: PMC10077536 DOI: 10.1021/acsomega.3c00519] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 03/09/2023] [Indexed: 06/19/2023]
Abstract
Aberrant changes in site-specific core fucosylation (CF) of serum proteins contribute to cancer development and progression, which enables them as potential diagnostic markers of tumors. An optimized data-dependent acquisition (DDA) workflow involving isobaric tags for relative and absolute quantitation-labeling and enrichment of CF peptides by lens culinaris lectin was applied to identify CF of serum proteins in a test set of patients with nonalcoholic steatohepatitis (NASH)-related cirrhosis (N = 16) and hepatocellular carcinoma (HCC, N = 17), respectively. A total of 624 CF peptides from 343 proteins, with 683 CF sites, were identified in our DDA-mass spectrometry (MS) analysis. Subsequently, 19 candidate CF peptide markers were evaluated by a target parallel reaction-monitoring-MS workflow in a validation set of 58 patients, including NASH-related cirrhosis (N = 29), early-stage HCC (N = 21), and late-stage HCC (N = 8). Significant changes (p < 0.01) were observed in four CF peptides between cirrhosis and HCC, where peptide LGSFEGLVn160LTFIHLQHNR from LUM in combination with AFP showed the best diagnostic performance in discriminating HCC from cirrhosis, with an area under curve (AUC) of 0.855 compared to AFP only (AUC = 0.717). This peptide in combination with AFP also significantly improved diagnostic performance in distinguishing early HCC from cirrhosis, with an AUC of 0.839 compared to AFP only (AUC = 0.689). Validation of this novel promising biomarker panel in larger cohorts should be performed.
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Affiliation(s)
- Yifei Tan
- Department
of Liver Surgery, Liver Transplantation Center, West China Hospital of Sichuan University, Chengdu 610017, China
- Department
of Surgery, University of Michigan Medical
Center, Ann Arbor, Michigan 48109, United
States
| | - Jianhui Zhu
- Department
of Surgery, University of Michigan Medical
Center, Ann Arbor, Michigan 48109, United
States
| | | | - Yu Lin
- Department
of Surgery, University of Michigan Medical
Center, Ann Arbor, Michigan 48109, United
States
| | - Zhijing Tan
- Department
of Surgery, University of Michigan Medical
Center, Ann Arbor, Michigan 48109, United
States
| | - Zuowei Wu
- Department
of Surgery, University of Michigan Medical
Center, Ann Arbor, Michigan 48109, United
States
| | - Jie Zhang
- Department
of Surgery, University of Michigan Medical
Center, Ann Arbor, Michigan 48109, United
States
| | - Alva Cano
- Department
of Internal Medicine, University of Texas
Southwestern Medical Center, Dallas, Texas 75390, United States
| | - Sara Verschleisser
- Department
of Internal Medicine, University of Texas
Southwestern Medical Center, Dallas, Texas 75390, United States
| | - Yehia Mechref
- Department
of Chemistry and Biochemistry, Texas Tech
University, Lubbock, Texas 79409, United States
| | - Amit G. Singal
- Department
of Internal Medicine, University of Texas
Southwestern Medical Center, Dallas, Texas 75390, United States
| | - Neehar D. Parikh
- Department
of Internal Medicine, University of Michigan
Medical Center, Ann Arbor, Michigan 48109, United States
| | - David M. Lubman
- Department
of Surgery, University of Michigan Medical
Center, Ann Arbor, Michigan 48109, United
States
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12
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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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13
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Clark LC, Atkin KE, Whelan F, Brentnall AS, Harris G, Towell AM, Turkenburg JP, Liu Y, Feizi T, Griffiths SC, Geoghegan JA, Potts JR. Staphylococcal Periscope proteins Aap, SasG, and Pls project noncanonical legume-like lectin adhesin domains from the bacterial surface. J Biol Chem 2023; 299:102936. [PMID: 36702253 PMCID: PMC9999234 DOI: 10.1016/j.jbc.2023.102936] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 01/08/2023] [Accepted: 01/18/2023] [Indexed: 01/25/2023] Open
Abstract
Staphylococcus aureus and Staphylococcus epidermidis are frequently associated with medical device infections that involve establishment of a bacterial biofilm on the device surface. Staphylococcal surface proteins Aap, SasG, and Pls are members of the Periscope Protein class and have been implicated in biofilm formation and host colonization; they comprise a repetitive region ("B region") and an N-terminal host colonization domain within the "A region," predicted to be a lectin domain. Repetitive E-G5 domains (as found in Aap, SasG, and Pls) form elongated "stalks" that would vary in length with repeat number, resulting in projection of the N-terminal A domain variable distances from the bacterial cell surface. Here, we present the structures of the lectin domains within A regions of SasG, Aap, and Pls and a structure of the Aap lectin domain attached to contiguous E-G5 repeats, suggesting the lectin domains will sit at the tip of the variable length rod. We demonstrate that these isolated domains (Aap, SasG) are sufficient to bind to human host desquamated nasal epithelial cells. Previously, proteolytic cleavage or a deletion within the A domain had been reported to induce biofilm formation; the structures suggest a potential link between these observations. Intriguingly, while the Aap, SasG, and Pls lectin domains bind a metal ion, they lack the nonproline cis peptide bond thought to be key for carbohydrate binding by the lectin fold. This suggestion of noncanonical ligand binding should be a key consideration when investigating the host cell interactions of these bacterial surface proteins.
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Affiliation(s)
- Laura C Clark
- Department of Biology, University of York, York, United Kingdom
| | - Kate E Atkin
- Department of Biology, University of York, York, United Kingdom
| | - Fiona Whelan
- Department of Biology, University of York, York, United Kingdom; Department of Molecular and Biomedical Science, School of Biological Sciences, University of Adelaide, South Australia, Australia.
| | | | - Gemma Harris
- Department of Biology, University of York, York, United Kingdom
| | - Aisling M Towell
- Department of Microbiology, Moyne Institute of Preventive Medicine, School of Genetics and Microbiology, Trinity College Dublin, Dublin, Ireland
| | | | - Yan Liu
- Glycosciences Laboratory, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Ten Feizi
- Glycosciences Laboratory, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom
| | | | - Joan A Geoghegan
- Department of Microbiology, Moyne Institute of Preventive Medicine, School of Genetics and Microbiology, Trinity College Dublin, Dublin, Ireland; Institute of Microbiology and Infection, University of Birmingham, Birmingham, United Kingdom
| | - Jennifer R Potts
- Department of Biology, University of York, York, United Kingdom; School of Life and Environmental Sciences, University of Sydney, New South Wales, Australia.
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14
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Maciag JJ, Chantraine C, Mills KB, Yadav R, Yarawsky AE, Chaton CT, Vinod D, Fitzkee NC, Mathelié-Guinlet M, Dufrêne YF, Fey PD, Horswill AR, Herr AB. Mechanistic basis of staphylococcal interspecies competition for skin colonization. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.26.525635. [PMID: 36747832 PMCID: PMC9900903 DOI: 10.1101/2023.01.26.525635] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Staphylococci, whether beneficial commensals or pathogens, often colonize human skin, potentially leading to competition for the same niche. In this multidisciplinary study we investigate the structure, binding specificity, and mechanism of adhesion of the Aap lectin domain required for Staphylococcus epidermidis skin colonization and compare its characteristics to the lectin domain from the orthologous Staphylococcus aureus adhesin SasG. The Aap structure reveals a legume lectin-like fold with atypical architecture, showing specificity for N-acetyllactosamine and sialyllactosamine. Bacterial adhesion assays using human corneocytes confirmed the biological relevance of these Aap-glycan interactions. Single-cell force spectroscopy experiments measured individual binding events between Aap and corneocytes, revealing an extraordinarily tight adhesion force of nearly 900 nN and a high density of receptors at the corneocyte surface. The SasG lectin domain shares similar structural features, glycan specificity, and corneocyte adhesion behavior. We observe cross-inhibition of Aap-and SasG-mediated staphylococcal adhesion to corneocytes. Together, these data provide insights into staphylococcal interspecies competition for skin colonization and suggest potential avenues for inhibition of S. aureus colonization.
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Affiliation(s)
- Joseph J. Maciag
- Division of Immunobiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
| | - Constance Chantraine
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
| | - Krista B. Mills
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO
| | - Rahul Yadav
- Department of Chemistry, Mississippi State University, Mississippi State, MS
| | - Alexander E. Yarawsky
- Division of Immunobiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
| | - Catherine T. Chaton
- Division of Immunobiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
| | - Divya Vinod
- Division of Immunobiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
- Medical Sciences Undergraduate Program, University of Cincinnati, Cincinnati, OH
| | - Nicholas C. Fitzkee
- Department of Chemistry, Mississippi State University, Mississippi State, MS
| | - Marion Mathelié-Guinlet
- Institut de Chimie et Biologie des Membranes et des Nano-Objets, CNRS UMR 5248, University of Bordeaux, Pessac, France
| | - Yves F. Dufrêne
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
| | - Paul D. Fey
- Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE
| | - Alexander R. Horswill
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO
| | - Andrew B. Herr
- Division of Immunobiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
- Division of Infectious Diseases, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH
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15
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Seed Storage Protein, Functional Diversity and Association with Allergy. ALLERGIES 2023. [DOI: 10.3390/allergies3010003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Plants are essential for humans as they serve as a source of food, fuel, medicine, oils, and more. The major elements that are utilized for our needs exist in storage organs, such as seeds. These seeds are rich in proteins, show a broad spectrum of physiological roles, and are classified based on their sequence, structure, and conserved motifs. With the improvements to our knowledge of the basic sequence and our structural understanding, we have acquired better insights into seed proteins and their role. However, we still lack a systematic analysis towards understanding the functional diversity associated within each family and their associations with allergy. This review puts together the information about seed proteins, their classification, and diverse functional roles along with their associations with allergy.
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16
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Urugo MM, Tringo TT. Naturally Occurring Plant Food Toxicants and the Role of Food Processing Methods in Their Detoxification. INTERNATIONAL JOURNAL OF FOOD SCIENCE 2023; 2023:9947841. [PMID: 37153649 PMCID: PMC10159748 DOI: 10.1155/2023/9947841] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 03/27/2023] [Accepted: 04/15/2023] [Indexed: 05/10/2023]
Abstract
Some plant foods evolve defense mechanisms to protect themselves from predators by producing inherent chemicals as secondary metabolites such as cyanogenic glycosides, glycoalkaloids, glucosinolates, pyrrolizidine alkaloids, and lectins. These metabolites are beneficial for the plant itself but toxic to other organisms, including human beings. Some of these toxic chemicals are believed to have therapeutic benefits and are therefore used to protect against chronic health complications such as cancer. Inversely, short- and long-term exposure to significant amounts of these phytotoxins may end up with chronic irreversible negative health problems in important organ systems, and in severe cases, they can be carcinogenic and fatal. A systematic literature search of relevant published articles indexed in Google Scholar®, PubMed®, Scopus®, Springer Link®, Web of Science®, MDPI®, and ScienceDirect databases was used to obtain the necessary information. Various traditional and emerging food-processing techniques have been found to considerably reduce most of the toxicants in the food to their safest level. Despite their ability to preserve the nutritional value of processed foods, emerging food processing methods have limited application and accessibility in middle- and low-income countries. As a consequence, much more work is recommended on the implementation of emerging technologies, with additional scientific work on food processing methods that are effective against these naturally occurring plant food toxicants, particularly pyrrolizidine alkaloids.
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Affiliation(s)
- Markos Makiso Urugo
- Department of Food Science and Postharvest Technology, College of Agricultural Sciences, Wachemo University, Hosanna, Ethiopia
| | - Tadele Tuba Tringo
- College of Engineering and Agro-Processing Technology, Arba Minch University, Arba Minch, Ethiopia
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17
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Lara-Cruz GA, Jaramillo-Botero A. Molecular Level Sucrose Quantification: A Critical Review. SENSORS (BASEL, SWITZERLAND) 2022; 22:9511. [PMID: 36502213 PMCID: PMC9740140 DOI: 10.3390/s22239511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 11/29/2022] [Accepted: 12/02/2022] [Indexed: 06/17/2023]
Abstract
Sucrose is a primary metabolite in plants, a source of energy, a source of carbon atoms for growth and development, and a regulator of biochemical processes. Most of the traditional analytical chemistry methods for sucrose quantification in plants require sample treatment (with consequent tissue destruction) and complex facilities, that do not allow real-time sucrose quantification at ultra-low concentrations (nM to pM range) under in vivo conditions, limiting our understanding of sucrose roles in plant physiology across different plant tissues and cellular compartments. Some of the above-mentioned problems may be circumvented with the use of bio-compatible ligands for molecular recognition of sucrose. Nevertheless, problems such as the signal-noise ratio, stability, and selectivity are some of the main challenges limiting the use of molecular recognition methods for the in vivo quantification of sucrose. In this review, we provide a critical analysis of the existing analytical chemistry tools, biosensors, and synthetic ligands, for sucrose quantification and discuss the most promising paths to improve upon its limits of detection. Our goal is to highlight the criteria design need for real-time, in vivo, highly sensitive and selective sucrose sensing capabilities to enable further our understanding of living organisms, the development of new plant breeding strategies for increased crop productivity and sustainability, and ultimately to contribute to the overarching need for food security.
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Affiliation(s)
| | - Andres Jaramillo-Botero
- Omicas Alliance, Pontificia Universidad Javeriana, Cali 760031, Colombia
- Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 91125, USA
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18
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Valadez-Vega C, Lugo-Magaña O, Betanzos-Cabrera G, Villagómez-Ibarra JR. Partial Characterization of Lectins Purified from the Surco and Vara (Furrow and Rod) Varieties of Black Phaseolus vulgaris. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27238436. [PMID: 36500537 PMCID: PMC9741355 DOI: 10.3390/molecules27238436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 11/26/2022] [Accepted: 11/29/2022] [Indexed: 12/07/2022]
Abstract
As they manifest specifically and reversibly, lectins are proteins or glycoproteins with the characteristic of agglutinating erythrocytes. Given that grain legume lectins can represent 10% of protein content and can have various biological functions, they are extensively studied. The objective of this work was to purify and partially characterize the lectins of Phaseolus vulgaris black, var surco and vara (LBBS and LBBV). Both lectin types were purified by affinity chromatography on stroma matrix, which agglutinated human erythrocytes type A, B, and O, as well as rabbit, hamster, pig, and chicken erythrocytes. Native-PAGE was employed for molecular mass determination, yielding 109.36 and 112.68 kDa for BBS and BBV, respectively. Further analyses revealed that these lectins are tetrameric glycoproteins that require Ca+2, Mn+2 and Mg+2 ions for exhibiting their hemagglutinating function, which can be inhibited by fetuin. Moreover, optimal pH was established for both lectins (10.5 for LBBS and 7-9 for LBBV), while their activity was temperature-dependent and ceased above 70 °C. Finally, the observed differences in the biochemical characteristics and bioactive functions were ascribed to the different physiological characteristics of each seed, as well as the protein itself.
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Affiliation(s)
- Carmen Valadez-Vega
- Área Académica de Medicina, Instituto de Ciencias de la Salud, Universidad Autónoma del Estado de Hidalgo, Ex-Hacienda de la Concepción, Tilcuautla, San Agustín Tlaxiaca 42080, Mexico
- Correspondence:
| | - Olivia Lugo-Magaña
- Preparatoria Número 1, Universidad Autónoma del Estado de Hidalgo, Av. Benito Juárez S/N, Constitución, Pachuca de Soto 42060, Mexico
| | - Gabriel Betanzos-Cabrera
- Área Académica de Nutrición, Instituto de Ciencias de la Salud, Universidad Autónoma del Estado de Hidalgo, Ex-Hacienda de la Concepción, Tilcuautla, San Agustín Tlaxiaca 42080, Mexico
| | - José Roberto Villagómez-Ibarra
- Área Académica de Química, Instituto de Ciencias Básicas e Ingeniería, Universidad Autónoma del Estado del Hidalgo, Ciudad del Conocimiento, Mineral de la Reforma 42184, Mexico
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19
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New insights into the effects of growth phase and enzymatic treatment on the cell-wall properties of Chlorella vulgaris microalgae. ALGAL RES 2022. [DOI: 10.1016/j.algal.2022.102955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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20
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Preparation of a novel monoclonal antibody against active components of PHA-L from Phaseolus vulgaris and its functional characteristics. BMC Biotechnol 2022; 22:32. [PMID: 36309691 PMCID: PMC9618193 DOI: 10.1186/s12896-022-00761-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 10/14/2022] [Indexed: 11/18/2022] Open
Abstract
Background Leukocyte phytohemagglutinin (PHA-L), derived from the L4 tetramer of PHA, has been frequently employed as a mitogen to induce T lymphocyte proliferation in vitro. The biological application of PHA-L in cancer diagnosis and treatment has gained traction in recent years. However, it has been noted that PHA-L obtained using traditional procedures has a massive amount of impurities or toxic components, which interfere with the activity of PHA-L. Preparation of a monoclonal antibody against active PHA-L is a significant tool for studying PHA-L's function and therapeutic potential. Results We successfully prepared monoclonal antibodies against the active components of PHA-L based on the whole PHA-L protein as an antigen, and found that monoclonal antibody 3C1C6G11 can be employed in western blot, immunofluorescence, and immunohistochemistry detection. Importantly, preliminary result shows that the mAb 3C1C6G11 may prevent PHA-L-induced cell aggregation and AICD (activation-induced cell death). Conclusions The monoclonal antibody mAb 3C1C6G11 prepared in this study can be used as an effective tool for detecting PHA-L active components, investigating PHA-L's function and antineoplastic application. Supplementary Information The online version contains supplementary material available at 10.1186/s12896-022-00761-7.
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21
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Konozy EHE, Osman MEFM, Dirar AI, Ghartey-Kwansah G. Plant lectins: A new antimicrobial frontier. Biomed Pharmacother 2022; 155:113735. [PMID: 36152414 DOI: 10.1016/j.biopha.2022.113735] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/19/2022] [Accepted: 09/19/2022] [Indexed: 11/02/2022] Open
Abstract
Pathogenic bacteria, viruses, fungi, parasites, and other microbes constantly change to ensure survival. Several pathogens have adopted strict and intricate strategies to fight medical treatments. Many drugs, frequently prescribed to treat these pathogens, are becoming obsolete and ineffective. Because pathogens have gained the capacity to tolerate or resist medications targeted at them, hence the term antimicrobial resistance (AMR), in that regard, many natural compounds have been routinely used as new antimicrobial agents to treat infections. Thus, plant lectins, the carbohydrate-binding proteins, have been targeted as promising drug candidates. This article reviewed more than 150 published papers on plant lectins with promising antibacterial and antifungal properties. We have also demonstrated how some plant lectins could express a synergistic action as adjuvants to boost the efficacy of obsolete or abandoned antimicrobial drugs. Emphasis has also been given to their plausible mechanism of action. The study further reports on the immunomodulatory effect of plant lectins and how they boost the immune system to curb or prevent infection.
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Affiliation(s)
| | | | - Amina I Dirar
- Medicinal, Aromatic Plants and Traditional Medicine Research Institute (MAPTRI), National Center for Research, Mek Nimr Street, Khartoum, Sudan.
| | - George Ghartey-Kwansah
- Department of Biomedical Sciences, School of Allied Health Sciences, College of Health and Allied Sciences, University of Cape Coast, Cape Coast, Ghana.
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22
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High-fat diet causes mechanical allodynia in the absence of injury or diabetic pathology. Sci Rep 2022; 12:14840. [PMID: 36050326 PMCID: PMC9437006 DOI: 10.1038/s41598-022-18281-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Accepted: 08/09/2022] [Indexed: 12/04/2022] Open
Abstract
Understanding the interactions between diet, obesity, and diabetes is important to tease out mechanisms in painful pathology. Western diet is rich in fats, producing high amounts of circulating bioactive metabolites. However, no research has assessed how a high-fat diet (HFD) alone may sensitize an individual to non-painful stimuli in the absence of obesity or diabetic pathology. To investigate this, we tested the ability of a HFD to stimulate diet-induced hyperalgesic priming, or diet sensitization in male and female mice. Our results revealed that 8 weeks of HFD did not alter baseline pain sensitivity, but both male and female HFD-fed animals exhibited robust mechanical allodynia when exposed to a subthreshold dose of intraplantar Prostaglandin E2 (PGE2) compared to mice on chow diet. Furthermore, calcium imaging in isolated primary sensory neurons of both sexes revealed HFD induced an increased percentage of capsaicin-responsive neurons compared to their chow counterparts. Immunohistochemistry (IHC) showed a HFD-induced upregulation of ATF3, a neuronal marker of injury, in lumbar dorsal root ganglia (DRG). This suggests that a HFD induces allodynia in the absence of a pre-existing condition or injury via dietary components. With this new understanding of how a HFD can contribute to the onset of pain, we can understand the dissociation behind the comorbidities associated with obesity and diabetes to develop pharmacological interventions to treat them more efficiently.
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23
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Zlotnikov ID, Kudryashova EV. Mannose Receptors of Alveolar Macrophages as a Target for the Addressed Delivery of Medicines to the Lungs. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2022. [DOI: 10.1134/s1068162022010150] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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24
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Van Damme EJM. 35 years in plant lectin research: a journey from basic science to applications in agriculture and medicine. Glycoconj J 2022; 39:83-97. [PMID: 34427812 PMCID: PMC8383723 DOI: 10.1007/s10719-021-10015-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 06/30/2021] [Accepted: 07/29/2021] [Indexed: 02/07/2023]
Abstract
Plants contain an extended group of lectins differing from each other in their molecular structures, biochemical properties and carbohydrate-binding specificities. The heterogeneous group of plant lectins can be classified in several families based on the primary structure of the lectin domain. All proteins composed of one or more lectin domains, or having a domain architecture including one or more lectin domains in combination with other protein domains can be defined as lectins. Plant lectins reside in different cell compartments, and depending on their location will encounter a large variety carbohydrate structures, allowing them to be involved in multiple biological functions. Over the years lectins have been studied intensively for their carbohydrate-binding properties and biological activities, which also resulted in diverse applications. The present overview on plant lectins especially focuses on the structural and functional characteristics of plant lectins and their applications for crop improvement, glycobiology and biomedical research.
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Affiliation(s)
- Els J. M. Van Damme
- Laboratory of Glycobiology and Biochemistry, Department of Biotechnology, Ghent University, Coupure Links 653, 9000 Ghent, Belgium
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25
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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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Naithani S, Komath SS, Nonomura A, Govindjee G. Plant lectins and their many roles: Carbohydrate-binding and beyond. JOURNAL OF PLANT PHYSIOLOGY 2021; 266:153531. [PMID: 34601337 DOI: 10.1016/j.jplph.2021.153531] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 09/18/2021] [Accepted: 09/19/2021] [Indexed: 06/13/2023]
Abstract
Lectins are ubiquitous proteins that reversibly bind to specific carbohydrates and, thus, serve as readers of the sugar code. In photosynthetic organisms, lectin family proteins play important roles in capturing and releasing photosynthates via an endogenous lectin cycle. Often, lectin proteins consist of one or more lectin domains in combination with other types of domains. This structural diversity of lectins is the basis for their current classification, which is consistent with their diverse functions in cell signaling associated with growth and development, as well as in the plant's response to biotic, symbiotic, and abiotic stimuli. Furthermore, the lectin family shows evolutionary expansion that has distinct clade-specific signatures. Although the function(s) of many plant lectin family genes are unknown, studies in the model plant Arabidopsis thaliana have provided insights into their diverse roles. Here, we have used a biocuration approach rooted in the critical review of scientific literature and information available in the public genomic databases to summarize the expression, localization, and known functions of lectins in Arabidopsis. A better understanding of the structure and function of lectins is expected to aid in improving agricultural productivity through the manipulation of candidate genes for breeding climate-resilient crops, or by regulating metabolic pathways by applications of plant growth regulators.
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Affiliation(s)
- Sushma Naithani
- Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR, 97333, USA.
| | - Sneha Sudha Komath
- School of Life Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Arthur Nonomura
- Department of Chemistry, Northern Arizona University, South San Francisco Street, Flagstaff, AZ, 86011, USA
| | - Govindjee Govindjee
- Department of Plant Biology, Department of Biochemistry, and Center of Biophysics & Quantitative Biology, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
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Cheng M, Dou H. Nano‐assemblies based on biomacromolecules to overcome cancer drug resistance. POLYM INT 2021. [DOI: 10.1002/pi.6310] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Meng Cheng
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering Shanghai Jiao Tong University Shanghai 200240 P. R. China
| | - Hongjing Dou
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering Shanghai Jiao Tong University Shanghai 200240 P. R. China
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Cloning, Characterization, Expression Analysis, and Agglutination Studies of Novel Gene Encoding β-D-Galactose, N-Acetyl-D-Glucosamine and Lactose-Binding Lectin from Rice Bean (Vigna umbellata). Mol Biotechnol 2021; 64:293-310. [PMID: 34611825 DOI: 10.1007/s12033-021-00410-y] [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: 04/19/2021] [Accepted: 09/21/2021] [Indexed: 10/20/2022]
Abstract
Lectins are glycoproteins and known for their peculiar carbohydrate-binding activity and their insect-pest-resistant properties. Earlier we have published our research finding on novel gene encoding Bowman-Birk type protease inhibitor with insecticidal properties from rice bean. This paper presents first report on cloning, sequencing, and expression of RbL ORF of 843 bp encoding 280 amino acids long lectin precursor from rice bean (Vigna umbellata) seeds. Blast analysis revealed more than 90% similarity of RbL protein with Vigna aconitifolia and Vigna angularis lectins. Phylogenetic analysis also revealed a close relationship between RbL and other legume lectins. Sequence analysis of genomic DNA revealed intronless nature of RbL gene (GenBank accession No. MT043160). The isolated RbL ORF was expressed in E. coli BL-21(DE3) cells and maximum expression was recorded with 0.5 mM IPTG after 4 h incubation at 37 °C. Western blotting confirmed RbL protein expression in E. coli. Recombinant protein (His6-RbL) of ~ 35 kDa m.wt was purified using Ni-NTA affinity chromatography to the extent of 0.26 mg/ml. In silico analysis characterized RbL protein as acidic, stable, hydrophobic, and secretary protein with one signal peptide cleavage site (A26-A27) and four N-glycosylation sites. Template-based 3D model of RbL was structured using MODELLER tool and validated as good quality model. Structural analysis revealed dominance of β-pleated sheets and β-turns in RbL protein structure. β-D-galactose, N-acetyl-D-glucosamine, and lactose were predicted as putative ligands for RbL protein. Hydrogen bonding and hydrophobic forces were the major interactions between the predicted ligands and RbL protein. Agglutination and agglutination inhibition assays confirmed the binding specificity of RbL protein with the trypsinized rabbit erythrocytes and with the predicted ligands, respectively. Gene ontology analysis functionally annotated RbL protein as a plant defense protein. The novel information generated in the study is not mere pre-experimental findings but could also lay foundation for future research on exploring RbL gene and encoding protein for different biomedical and biotechnological applications.
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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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Losada-Garcia N, Garcia-Sanz C, Andreu A, Velasco-Torrijos T, Palomo JM. Glyconanomaterials for Human Virus Detection and Inhibition. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:1684. [PMID: 34206886 PMCID: PMC8308178 DOI: 10.3390/nano11071684] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 06/21/2021] [Accepted: 06/23/2021] [Indexed: 01/23/2023]
Abstract
Viruses are among the most infectious pathogens, responsible for the highest death toll around the world. Lack of effective clinical drugs for most viral diseases emphasizes the need for speedy and accurate diagnosis at early stages of infection to prevent rapid spread of the pathogens. Glycans are important molecules which are involved in different biological recognition processes, especially in the spread of infection by mediating virus interaction with endothelial cells. Thus, novel strategies based on nanotechnology have been developed for identifying and inhibiting viruses in a fast, selective, and precise way. The nanosized nature of nanomaterials and their exclusive optical, electronic, magnetic, and mechanical features can improve patient care through using sensors with minimal invasiveness and extreme sensitivity. This review provides an overview of the latest advances of functionalized glyconanomaterials, for rapid and selective biosensing detection of molecules as biomarkers or specific glycoproteins and as novel promising antiviral agents for different kinds of serious viruses, such as the Dengue virus, Ebola virus, influenza virus, human immunodeficiency virus (HIV), influenza virus, Zika virus, or coronavirus SARS-CoV-2 (COVID-19).
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Affiliation(s)
- Noelia Losada-Garcia
- Department of Biocatalysis, Institute of Catalysis (CSIC), Marie Curie 2, 28049 Madrid, Spain; (N.L.-G.); (C.G.-S.); (A.A.)
| | - Carla Garcia-Sanz
- Department of Biocatalysis, Institute of Catalysis (CSIC), Marie Curie 2, 28049 Madrid, Spain; (N.L.-G.); (C.G.-S.); (A.A.)
| | - Alicia Andreu
- Department of Biocatalysis, Institute of Catalysis (CSIC), Marie Curie 2, 28049 Madrid, Spain; (N.L.-G.); (C.G.-S.); (A.A.)
| | | | - Jose M. Palomo
- Department of Biocatalysis, Institute of Catalysis (CSIC), Marie Curie 2, 28049 Madrid, Spain; (N.L.-G.); (C.G.-S.); (A.A.)
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de Souza Ferreira Bringel PH, Marques GFO, de Queiroz Martins MG, da Silva MTL, Nobre CAS, do Nascimento KS, Cavada BS, Castro RR, Assreuy AMS. The Lectin Isolated from the Alga Hypnea cervicornis Promotes Antinociception in Rats Subjected to Zymosan-Induced Arthritis: Involvement of cGMP Signalization and Cytokine Expression. Inflammation 2021; 43:1446-1454. [PMID: 32212035 DOI: 10.1007/s10753-020-01222-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
This study investigated the effects of the alga lectin Hypnea cervicornis agglutinin (HCA) on rat zymosan-induced arthritis (ZyA). Zymosan (50-500 μg/25 μL) or sterile saline (Sham) was injected into the tibio-tarsal joint of female Wistar rats (180-200 g). Arthritic animals received morphine (4 mg/kg, intraperitoneal), indomethacin (5 mg/kg, intraperitoneal), or 2% lidocaine (100 μL, subcutaneous). HCA (0.3-3 mg/kg) was administered by intravenous route 30 min before or 2 h after zymosan. 1H-[1,2,4]oxadiazolo[4,3-a]-quinoxalin-1-one (ODQ, 4 μg, intra-articular) was given 30 min prior HCA. Hypernociception was measured every hour until 6 h, time in which animals were sacrificed for evaluation of leukocytes of the intra articular fluid and gene expression of TNF-α, IL-1, IL-10, and iNOS in the joint tissues using PCR techniques. Hypernociception was responsive to morphine and indomethacin, and its threshold was not altered by lidocaine. The post-treatment of HCA reduced both hypernociception and leukocyte influx. This antinociceptive effect was abolished either by ODQ and glibenclamide. HCA also reduced gene expression of iNOS and TNF-α. In conclusion, the antinociceptive effect of HCA in ZyA involves cyclic GMP signalization and selective modulation of cytokine expression.
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Affiliation(s)
- Pedro Henrique de Souza Ferreira Bringel
- Laboratório de Fisio-Farmacologia da Inflamação (LAFFIN), Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Av. Dr. Silas Munguba 1700, Fortaleza, CE, 60714-903, Brazil
| | - Gabriela Fernandes Oliveira Marques
- Laboratório de Fisio-Farmacologia da Inflamação (LAFFIN), Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Av. Dr. Silas Munguba 1700, Fortaleza, CE, 60714-903, Brazil
| | - Maria Gleiciane de Queiroz Martins
- Laboratório de Moléculas Biologicamente Ativas (BioMol-Lab), Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Campus do Pici, s/n; Bloco 907, Fortaleza, CE, 60455-970, Brazil
| | - Mayara Torquato Lima da Silva
- Laboratório de Moléculas Biologicamente Ativas (BioMol-Lab), Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Campus do Pici, s/n; Bloco 907, Fortaleza, CE, 60455-970, Brazil
| | - Clareane Avelino Simplício Nobre
- Laboratório de Moléculas Biologicamente Ativas (BioMol-Lab), Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Campus do Pici, s/n; Bloco 907, Fortaleza, CE, 60455-970, Brazil
| | - Kyria Santiago do Nascimento
- Laboratório de Moléculas Biologicamente Ativas (BioMol-Lab), Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Campus do Pici, s/n; Bloco 907, Fortaleza, CE, 60455-970, Brazil
| | - Benildo Sousa Cavada
- Laboratório de Moléculas Biologicamente Ativas (BioMol-Lab), Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Campus do Pici, s/n; Bloco 907, Fortaleza, CE, 60455-970, Brazil
| | - Rondinelle Ribeiro Castro
- Laboratório de Fisio-Farmacologia da Inflamação (LAFFIN), Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Av. Dr. Silas Munguba 1700, Fortaleza, CE, 60714-903, Brazil
| | - Ana Maria Sampaio Assreuy
- Laboratório de Fisio-Farmacologia da Inflamação (LAFFIN), Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Av. Dr. Silas Munguba 1700, Fortaleza, CE, 60714-903, Brazil.
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Cavada BS, Pinto-Junior VR, Oliveira MV, Osterne VJS, Lossio CF, Nascimento KS. A review of Vicieae lectins studies: End of the book or a story in the writing? Int J Biol Macromol 2021; 181:1104-1123. [PMID: 33895178 DOI: 10.1016/j.ijbiomac.2021.04.062] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 04/08/2021] [Accepted: 04/09/2021] [Indexed: 12/21/2022]
Abstract
Vicieae tribe, Leguminosae family (Fabaceae), has been extensively studied. In particular, the study of lectins. The purification, physicochemical and structural characterizations of the various purified lectins and the analysis of their relevant biological activities are ongoing. In this review, several works already published about Vicieae lectins are addressed. Initially, we presented the purification protocols and the physicochemical aspects, such as specificity for carbohydrates, optimal activity in the face of variations in temperature and pH, as well metals-dependence. Following, structural characterization studies are highlighted and, finally, various biological activities already reported are summarized. Studies on lectins in almost all genera (Lathyrus, Lens, Pisum and Vicia) are considered, with the exception of Vavilovia which studies of lectins have not yet been reported. Like other leguminous lectins, Vicieae lectins present heterogeneous profiles of agglutination profiles for erythrocytes and other cells of the immune system, and glycoproteins. Most Vicieae lectins consist of two subunits, α and β, products of a single precursor protein derived from a single gene. The differences between the isoforms result from varying degrees of proteolytic processing. Along with the identification of these molecules and their characteristics, biological activities become very relevant and robust for both basic and applied research.
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Affiliation(s)
- Benildo Sousa Cavada
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Fortaleza, Brazil.
| | - Vanir Reis Pinto-Junior
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Fortaleza, Brazil; Departamento de Física, Universidade Federal do Ceará, Fortaleza, Brazil
| | - Messias Vital Oliveira
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Fortaleza, Brazil
| | - Vinicius Jose Silva Osterne
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Fortaleza, Brazil; Departamento de Nutrição, Universidade Estadual do Ceará, Fortaleza, Brazil
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Functional Component Isolated from Phaseolus vulgaris Lectin Exerts In Vitro and In Vivo Anti-Tumor Activity Through Potentiation of Apoptosis and Immunomodulation. Molecules 2021; 26:molecules26020498. [PMID: 33477737 PMCID: PMC7832403 DOI: 10.3390/molecules26020498] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 12/25/2020] [Accepted: 01/11/2021] [Indexed: 02/05/2023] Open
Abstract
Phytohemagglutinin (PHA), the lectin purified from red kidney bean (Phaseolus vulgaris), is a well-known mitogen for human lymphocyte. Because it has obvious anti-proliferative and anti-tumor activity, PHA may serve as a potential antineoplastic drug in future cancer therapeutics. However, the literature is also replete with data on detrimental effects of PHA including oral toxicity, hemagglutinating activity, and immunogenicity. There is a critical need to evaluate the functional as well as the toxic components of PHAs to assist the rational designs of treatment with it. In this report, we performed SDS-PAGE to identify components of PHA-L, the tetrameric isomer of PHA with four identical L-type subunits, and then characterized biological function or toxicity of the major protein bands through in vitro experiments. It was found that the protein appearing as a 130 kD band in SDS-PAGE gel run under the condition of removal of β-mercaptoethanol from the sample buffer together with omission of a heating step could inhibit tumor cell growth and stimulate lymphocyte proliferation, while most of the 35 kD proteins are likely non-functional impurity proteins and 15 kD protein may be related to hemolytic effect. Importantly, the 130 kD functional protein exhibits promising in vivo anti-tumor activity in B16-F10 melanoma C57 BL/6 mouse models, which may be achieved through potentiation of apoptosis and immunomodulation. Altogether, our results suggest that PHA-L prepared from crude extracts of red kidney bean by standard strategies is a mixture of many ingredients, and a 130 kD protein of PHA-L was purified and identified as the major functional component. Our study may pave the way for PHA-L as a potential anticancer drug.
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Mandal P, Molla AR. Solvent Perturbation of Protein Structures - A Review Study with Lectins. Protein Pept Lett 2020; 27:538-550. [PMID: 31682206 DOI: 10.2174/0929866526666191104145511] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 08/05/2019] [Accepted: 08/07/2019] [Indexed: 01/07/2023]
Abstract
Use of organic molecules as co-solvent with water, the ubiquitous biological solvent, to perturb the structure of proteins is popular in the research area of protein structure and folding. These organic co-solvents are believed to somehow mimic the environment near the cell membrane. Apart from that they induce non-native states which can be present in the protein folding pathway or those states also may be representative of the off pathway structures leading to amyloid formation, responsible for various fatal diseases. In this review, we shall focus on organic co-solvent induced structure perturbation of various members of lectin family. Lectins are excellent model systems for protein folding study because of its wide occurrence, diverse structure and versatile biological functions. Lectins were mainly perturbed by two fluoroalcohols - 2,2,2- trifluoroethanol and 1,1,1,3,3,3-hexafluoroisopropanol whereas glycerol, ethylene glycol and polyethylene glycols were used in some cases. Overall, all native lectins were denatured by alcohols and most of the denatured lectins have predominant helical secondary structure. But characterization of the helical states and the transition pathway for various lectins revealed diverse result.
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Affiliation(s)
- Pritha Mandal
- Department of Chemistry, Krishnagar Government College, Krishnagar, West Bengal-741101, India
| | - Anisur R Molla
- Department of Chemistry, Bidhannagar College, Salt Lake, Kolkata -700 064, India
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Are legume-based recipes an appropriate source of nutrients for healthy ageing? A prospective cohort study. Br J Nutr 2020; 124:943-951. [PMID: 32475362 DOI: 10.1017/s0007114520001907] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Although legumes are rich in protein and fibre, and low in saturated fat and Na, traditional legume-based recipes include substantial amounts of processed meat, salt and potatoes, which could counteract the potential benefits of legumes. This prospective study aimed to assess the longitudinal association of consumption of different types of legumes, and traditional legume-based recipes, with unhealthy ageing in older adults. Data were taken from 2505 individuals aged ≥60 years from the Seniors-ENRICA cohort. Habitual legume consumption was assessed in 2008-2010 with a validated diet history. Unhealthy ageing was measured in the 2013, 2015 and 2017 follow-up waves, with a fifty-two-item multidimensional health deficit accumulation index (DAI) which ranges from 0 (best) to 100 (worst health). The mean age was 68·7 years, with 53·1 % of women. Among study participants, 78·4 % reported consumption of legumes, with a mean intake of 57·9 g/d. Multivariable-adjusted linear regression models did not show an association between total legume consumption and the DAI over a 7-year follow-up (non-standardised coefficient for the second and highest v. the lowest tertile of consumption: 0·94 (95 % CI -0·30, 2·17) and 0·18 (95 % CI -1·07, 1·43), respectively; Ptrend = 0·35). Similar results were observed for the 3-year and 5-year follow-ups and, separately, for lentils, beans, chickpeas and traditional legume-based recipes. According to the results obtained, consumption of legumes and traditional legume-based recipes is not associated with unhealthy ageing and can be part of a healthy diet in old age.
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Konarska A, Łotocka B. Glandular trichomes of Robinia viscosa Vent. var. hartwigii (Koehne) Ashe (Faboideae, Fabaceae)-morphology, histochemistry and ultrastructure. PLANTA 2020; 252:102. [PMID: 33180181 PMCID: PMC7661392 DOI: 10.1007/s00425-020-03513-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 11/04/2020] [Indexed: 05/31/2023]
Abstract
MAIN CONCLUSION Permanent glandular trichomes of Robinia viscosa var. hartwigii produce viscous secretion containing several secondary metabolites, as lipids, mucilage, flavonoids, proteins and alkaloids. Robinia viscosa var. hartwigii (Hartweg's locust) is an ornamental tree with high apicultural value. It can be planted in urban greenery and in degraded areas. The shoots, leaves, and inflorescences of this plant are equipped with numerous persistent glandular trichomes producing sticky secretion. The distribution, origin, development, morphology, anatomy, and ultrastructure of glandular trichomes of Hartweg's locust flowers as well as the localisation and composition of their secretory products were investigated for the first time. To this end, light, scanning, and transmission electron microscopy combined with histochemical and fluorescence techniques were used. The massive glandular trichomes differing in the distribution, length, and stage of development were built of a multicellular and multiseriate stalk and a multicellular head. The secretory cells in the stalk and head had large nuclei with nucleoli, numerous chloroplasts with thylakoids and starch grains, mitochondria, endoplasmic reticulum profiles, Golgi apparatus, vesicles, and multivesicular bodies. Many vacuoles contained phenolic compounds dissolved or forming various condensed deposits. The secretion components were transported through symplast elements, and the granulocrine and eccrine modes of nectar secretion were observed. The secretion was accumulated in the subcuticular space at the trichome apex and released through a pore in the cuticle. Histochemical and fluorescence assays showed that the trichomes and secretion contained lipophilic and polyphenol compounds, polysaccharides, proteins, and alkaloids. We suggest that these metabolites may serve an important function in protection of plants against biotic stress conditions and may also be a source of phytopharmaceuticals in the future.
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Affiliation(s)
- Agata Konarska
- Department of Botany and Plant Physiology, University of Life Sciences in Lublin, Akademicka 15, 20-950, Lublin, Poland.
| | - Barbara Łotocka
- Department of Botany, Warsaw, University of Life Sciences, Nowoursynowska 159, 02-776, Warsaw, Poland
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Cavada BS, Pinto-Junior VR, Osterne VJS, Oliveira MV, Lossio CF, Silva MTL, Bari AU, Lima LD, Souza-Filho CHD, Nascimento KS. Comprehensive review on Caelsalpinioideae lectins: From purification to biological activities. Int J Biol Macromol 2020; 162:333-348. [DOI: 10.1016/j.ijbiomac.2020.06.161] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 06/15/2020] [Accepted: 06/17/2020] [Indexed: 12/13/2022]
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Franke B, Veses-Garcia M, Diederichs K, Allison H, Rigden DJ, Mayans O. Structural annotation of the conserved carbohydrate esterase vb_24B_21 from Shiga toxin-encoding bacteriophage Φ24B. J Struct Biol 2020; 212:107596. [DOI: 10.1016/j.jsb.2020.107596] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 07/21/2020] [Accepted: 07/30/2020] [Indexed: 12/24/2022]
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Cavada BS, Pinto-Junior VR, Osterne VJS, Lossio CF, Silva MTL, Correia JLA, Correia SEG, Nagano CS, Oliveira MV, Lima LD, Vital APMS, Leal RB, Nascimento KS. A Diocleinae type II lectin from Dioclea lasiophylla Mart. Ex Benth seeds specific to α-lactose/GalNAc. Process Biochem 2020. [DOI: 10.1016/j.procbio.2020.03.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Plant-Derived Lectins as Potential Cancer Therapeutics and Diagnostic Tools. BIOMED RESEARCH INTERNATIONAL 2020; 2020:1631394. [PMID: 32509848 PMCID: PMC7245692 DOI: 10.1155/2020/1631394] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Accepted: 04/27/2020] [Indexed: 12/19/2022]
Abstract
Cancer remains a global health challenge, with high morbidity and mortality, despite the recent advances in diagnosis and treatment. Multiple compounds assessed as novel potential anticancer drugs derive from natural sources, including microorganisms, plants, and animals. Lectins, a group of highly diverse proteins of nonimmune origin with carbohydrate-binding abilities, have been detected in virtually all kingdoms of life. These proteins can interact with free and/or cell surface oligosaccharides and might differentially bind cancer cells, since malignant transformation is tightly associated with altered cell surface glycans. Therefore, lectins could represent a valuable tool for cancer diagnosis and be developed as anticancer therapeutics. Indeed, several plant lectins exert cytotoxic effects mainly by inducing apoptotic and autophagic pathways in malignant cells. This review summarizes the current knowledge regarding the basis for the use of lectins in cancer diagnosis and therapy, providing a few examples of plant-derived carbohydrate-binding proteins with demonstrated antitumor effects.
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Martínez-Alarcón D, Varrot A, Fitches E, Gatehouse JA, Cao M, Pyati P, Blanco-Labra A, Garcia-Gasca T. Recombinant Lectin from Tepary Bean ( Phaseolus acutifolius) with Specific Recognition for Cancer-Associated Glycans: Production, Structural Characterization, and Target Identification. Biomolecules 2020; 10:E654. [PMID: 32340396 PMCID: PMC7226325 DOI: 10.3390/biom10040654] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 04/16/2020] [Accepted: 04/20/2020] [Indexed: 12/16/2022] Open
Abstract
Herein, we report the production of a recombinant Tepary bean lectin (rTBL-1), its three-dimensional (3D) structure, and its differential recognition for cancer-type glycoconjugates. rTBL-1 was expressed in Pichia pastoris, yielding 316 mg per liter of culture, and was purified by nickel affinity chromatography. Characterization of the protein showed that rTBL-1 is a stable 120 kDa homo-tetramer folded as a canonical leguminous lectin with two divalent cations (Ca2+ and Mn2+) attached to each subunit, confirmed in its 3D structure solved by X-ray diffraction at 1.9 Å resolution. Monomers also presented a ~2.5 kDa N-linked glycan located on the opposite face of the binding pocket. It does not participate in carbohydrate recognition but contributes to the stabilization of the interfaces between protomers. Screening for potential rTBL-1 targets by glycan array identified 14 positive binders, all of which correspond to β1-6 branched N-glycans' characteristics of cancer cells. The presence of α1-6 core fucose, also tumor-associated, improved carbohydrate recognition. rTBL-1 affinity for a broad spectrum of mono- and disaccharides was evaluated by isothermal titration calorimetry (ITC); however, no interaction was detected, corroborating that carbohydrate recognition is highly specific and requires larger ligands for binding. This would explain the differential recognition between healthy and cancer cells by Tepary bean lectins.
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Affiliation(s)
- Dania Martínez-Alarcón
- Centro de Investigación y de Estudios Avanzados Unidad Irapuato, Departamento de Biotecnología y Bioquímica, Irapuato 36821, Guanaj uato, Mexico;
- University of Grenoble Alpes, CNRS, CERMAV, 38000 Grenoble, France;
| | - Annabelle Varrot
- University of Grenoble Alpes, CNRS, CERMAV, 38000 Grenoble, France;
| | - Elaine Fitches
- Department of Biosciences, Durham University, Durham DH1 3LE, UK; (E.F.); (J.A.G.); (M.C.); (P.P.)
| | - John A. Gatehouse
- Department of Biosciences, Durham University, Durham DH1 3LE, UK; (E.F.); (J.A.G.); (M.C.); (P.P.)
| | - Min Cao
- Department of Biosciences, Durham University, Durham DH1 3LE, UK; (E.F.); (J.A.G.); (M.C.); (P.P.)
| | - Prashant Pyati
- Department of Biosciences, Durham University, Durham DH1 3LE, UK; (E.F.); (J.A.G.); (M.C.); (P.P.)
| | - Alejandro Blanco-Labra
- Centro de Investigación y de Estudios Avanzados Unidad Irapuato, Departamento de Biotecnología y Bioquímica, Irapuato 36821, Guanaj uato, Mexico;
| | - Teresa Garcia-Gasca
- Facultad de Ciencias Naturales, Universidad Autónoma de Querétaro, Santiago de Querétaro 76230, Querétaro, Mexico
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Nascimento KS, Silva MTL, Oliveira MV, Lossio CF, Pinto-Junior VR, Osterne VJS, Cavada BS. Dalbergieae lectins: A review of lectins from species of a primitive Papilionoideae (leguminous) tribe. Int J Biol Macromol 2019; 144:509-526. [PMID: 31857177 DOI: 10.1016/j.ijbiomac.2019.12.117] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 11/06/2019] [Accepted: 12/14/2019] [Indexed: 01/24/2023]
Abstract
Lectins are (glyco)proteins capable of reversibly binding to specific carbohydrates, thus having various functions and applications. Plant lectins are the best studied, and the Leguminoseae family is highlighted in a number of published works, especially species of the Papilionoideae subfamily. Dalbergieae is one of the tribes in this subfamily comprising 49 genera and over 1300 species. From this tribe, about 26 lectins were studied, among which we can highlight the Arachis hypogaea lectin, widely used in cancer studies. Dalbergieae lectins demonstrate various carbohydrate specificities and biological activities including anti-inflammatory, vasorelaxant, nociceptive, antibacterial, antiviral among others. Structurally, these lectins are quite similar in their three-dimensional folding but present significant differences in oligomerization patterns and in the conservation of carbohydrate-recognition domain. Despite the existence of structural data from some lectins, only sparse literature has reported on this tribe's diversity, not to mention the range of biological effects, determined through specific assays. Therefore, this work will review the most important studies on Dalbergieae lectins and their potential biomedical applications.
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Affiliation(s)
- Kyria Santiago Nascimento
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará (UFC), Fortaleza, Ceará, Brazil.
| | - Mayara Torquato Lima Silva
- Departamento de Bioquímica, Universidade Federal de Santa Catarina (UFSC), Florianópolis, Santa Catarina, Brazil
| | - Messias Vital Oliveira
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará (UFC), Fortaleza, Ceará, Brazil
| | - Claudia Figueiredo Lossio
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará (UFC), Fortaleza, Ceará, Brazil
| | | | - Vinicius Jose Silva Osterne
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará (UFC), Fortaleza, Ceará, Brazil
| | - Benildo Sousa Cavada
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará (UFC), Fortaleza, Ceará, Brazil.
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Abstract
Cancer has high incidence and it will continue to increase over the next decades. Detection and quantification of cancer-associated biomarkers is frequently carried out for diagnosis, prognosis and treatment monitoring at various disease stages. It is well-known that glycosylation profiles change significantly during oncogenesis. Aberrant glycans produced during tumorigenesis are, therefore, valuable molecules for detection and characterization of cancer, and for therapeutic design and monitoring. Although glycoproteomics has benefited from the development of analytical tools such as high performance liquid chromatography, two-dimensional gel and capillary electrophoresis and mass spectrometry, these approaches are not well suited for rapid point-of-care (POC) testing easily performed by medical staff. Lectins are biomolecules found in nature with specific affinities toward particular glycan structures and bind them thus forming a relatively strong complex. Because of this characteristic, lectins have been used in analytical techniques for the selective capture or separation of certain glycans in complex samples, namely, in lectin affinity chromatography, or to characterize glycosylation profiles in diverse clinical situations, using lectin microarrays. Lectin-based biosensors have been developed for the detection of specific aberrant and cancer-associated glycostructures to aid diagnosis, prognosis and treatment assessment of these patients. The attractive features of biosensors, such as portability and simple use make them highly suitable for POC testing. Recent developments in lectin biosensors, as well as their potential and pitfalls in cancer glycan biomarker detection, are presented in this chapter.
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Affiliation(s)
- M Luísa S Silva
- Centre of Chemical Research, Autonomous University of Hidalgo State, Pachuca, Hidalgo, México.
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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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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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Ren WW, Jin ZC, Dong W, Kitajima T, Gao XD, Fujita M. Glycoengineering of HEK293 cells to produce high-mannose-type N-glycan structures. J Biochem 2019; 166:245-258. [DOI: 10.1093/jb/mvz032] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 04/25/2019] [Indexed: 01/02/2023] Open
Abstract
Abstract
Therapeutic proteins are a developing part of the modern biopharmaceutical industry, providing novel therapies to intractable diseases including cancers and autoimmune diseases. The human embryonic kidney 293 (HEK293) cell line has been widely used to produce recombinant proteins in both basic science and industry. The heterogeneity of glycan structures is one of the most challenging issues in the production of therapeutic proteins. Previously, we knocked out genes encoding α1,2-mannosidase-Is, MAN1A1, MAN1A2 and MAN1B1, in HEK293 cells, establishing a triple-knockout (T-KO) cell line, which produced recombinant protein with mainly high-mannose-type N-glycans. Here, we further knocked out MAN1C1 and MGAT1 encoding another Golgi α1,2-mannosidase-I and N-acetylglucosaminyltransferase-I, respectively, based on the T-KO cells. Two recombinant proteins, lysosomal acid lipase (LIPA) and immunoglobulin G1 (IgG1), were expressed in the quadruple-KO (QD-KO) and quintuple-KO (QT-KO) cell lines. Glycan structural analysis revealed that all the hybrid-type and complex-type N-glycans were eliminated, and only the high-mannose-type N-glycans were detected among the recombinant proteins prepared from the QD-KO and QT-KO cells. Overexpression of the oncogenes MYC and MYCN recovered the slow growth in QD-KO and QT-KO without changing the glycan structures. Our results suggest that these cell lines could be suitable platforms to produce homogeneous therapeutic proteins.
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Affiliation(s)
- Wei-Wei Ren
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Ze-Cheng Jin
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Weijie Dong
- College of Basic Medical Sciences, Dalian Medical University, Dalian 116044, Liaoning, China
| | - Toshihiko Kitajima
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Xiao-Dong Gao
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Morihisa Fujita
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
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Megias C, Cortés-Giraldo I, Giron-Calle J, Alaiz M, Vioque J. Purification and partial characterization of seed lectins from Vicias belonging to subgenus Vicilla section Cracca. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2019. [DOI: 10.1016/j.bcab.2019.101121] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Rashmi BS, Iyyaswami R. Aqueous two phase based selective extraction of mannose/glucose specific lectin from Indian cultivar of Pisum sativum seed. J Chromatogr B Analyt Technol Biomed Life Sci 2019; 1114-1115:13-23. [PMID: 30913449 DOI: 10.1016/j.jchromb.2019.03.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 03/15/2019] [Accepted: 03/17/2019] [Indexed: 11/18/2022]
Abstract
Pisum sativum lectin (Psl) being a high-value protein has marked its application in the biomedical and therapeutic field. Aqueous two phase extraction (ATPE) was implemented as a selective partitioning technique for the partial purification of Psl from its seeds. PEG/citrate based biodegradable aqueous two phase system (ATPS) was screened and the factors such as the type and concentration of citrate salts, molar mass and concentration of polyethylene glycol (PEG), tie line length (TLL) and additive (NaCl) concentration, pH, crude load and volume ratio were studied for the selective partition of Psl. The Psl was successfully extracted to the top phase in the ATPS formed with 18% PEG 6000/16% sodium citrate at 41.01% TLL, 2% NaCl and pH of 7.5. A volume ratio of 0.76 and a crude load of 20% showed maximum activity yield of 122.12% with the purification factor of 16.26. The subunits of Psl namely α and β were identified with a molecular weight of 6 and 18 kDa respectively during the purity analysis using SDS PAGE and HPLC.
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Affiliation(s)
| | - Regupathi Iyyaswami
- Department of Chemical Engineering, National Institute of Technology Karnataka, Surathkal, Mangalore 575025, India.
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Khan F, Suguna K. Crystal structure of the legume lectin-like domain of an ERGIC-53-like protein from Entamoeba histolytica. Acta Crystallogr F Struct Biol Commun 2019; 75:197-204. [PMID: 30839295 PMCID: PMC6404861 DOI: 10.1107/s2053230x19000499] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Accepted: 01/09/2019] [Indexed: 01/09/2023] Open
Abstract
ERGIC-53-like proteins are type I membrane proteins that belong to the class of intracellular cargo receptors and are known to be indispensable for the intracellular transport of glycoproteins. They are implicated in transporting glycoproteins between the endoplasmic reticulum and the Golgi body. The crystal structure of the legume lectin-like domain of an ERGIC-53-like protein from Entamoeba histolytica has been determined at 2.4 Å resolution. Although the overall structure of the domain resembles those of its mammalian and yeast orthologs (ERGIC-53 and Emp46, respectively), there are significant changes in the carbohydrate-binding site. A sequence-based search revealed the presence of several homologs of ERGIC-53 in different species of Entamoeba. This is the first report of the structural characterization of a member of this class of proteins from a protozoan and serves to further knowledge and understanding regarding the species-specific differences.
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Affiliation(s)
- Farha Khan
- Molecular Biophysics Unit, Indian Institute of Science, Bangalore, Karnataka 560 012, India
| | - Kaza Suguna
- Molecular Biophysics Unit, Indian Institute of Science, Bangalore, Karnataka 560 012, India
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He J, Zhang Y, Yuan Q, Liang H. Catalytic Activity and Application of Immobilized Chloroperoxidase by Biometric Magnetic Nanoparticles. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.8b03910] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jie He
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 100029, Beijing, People’s Republic of China
| | - Yumei Zhang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 100029, Beijing, People’s Republic of China
| | - Qipeng Yuan
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 100029, Beijing, People’s Republic of China
| | - Hao Liang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 100029, Beijing, People’s Republic of China
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