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Arfin N, Podder MK, Kabir SR, Asaduzzaman A, Hasan I. Antibacterial, antifungal and in vivo anticancer activities of chitin-binding lectins from Tomato (Solanum lycopersicum) fruits. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
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Chettri D, Boro M, Sarkar L, Verma AK. Lectins: Biological significance to biotechnological application. Carbohydr Res 2021; 506:108367. [PMID: 34130214 DOI: 10.1016/j.carres.2021.108367] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 05/31/2021] [Indexed: 10/21/2022]
Abstract
Lectins are a set of non-enzymatic carbohydrate binding proteins appearing in all domains of life. They function to recognize, interact and bring about reversible binding of a specific sugar moiety present in a molecule. Since glycans are ubiquitous in nature and are an essential part of various biological process, the lectins are been investigated to understand the profile of these versatile but complex glycan molecule. The knowledge gained can be used to explore and streamline the various mechanisms involving glycans and their conjugates. Thus, lectins have gained importance in carbohydrate-protein interactions contributing to the development in the field of glycobiology. This has led to a deeper understanding of the importance of saccharide recognition in life. Since their discovery, the lectins have become a great choice of research in the field of glycobiology and their biological significances have recently received considerable attention in the biocontrol field as well as medical sectors.
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Affiliation(s)
| | - Manswama Boro
- Department of Microbiology, Sikkim University, India.
| | - Lija Sarkar
- Department of Microbiology, Sikkim University, India.
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Effects of selective cleavage of high-mannose-type glycans of Maackia amurensis leukoagglutinin on sialic acid-binding activity. Biochim Biophys Acta Gen Subj 2015; 1850:1815-21. [DOI: 10.1016/j.bbagen.2015.05.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2014] [Revised: 05/07/2015] [Accepted: 05/12/2015] [Indexed: 11/20/2022]
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Molecular Structure and Properties of Lectin from Tomato Fruit. Biosci Biotechnol Biochem 2014; 72:2640-50. [DOI: 10.1271/bbb.80310] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Kobayashi Y, Tateno H, Ogawa H, Yamamoto K, Hirabayashi J. Comprehensive list of lectins: origins, natures, and carbohydrate specificities. Methods Mol Biol 2014; 1200:555-577. [PMID: 25117264 DOI: 10.1007/978-1-4939-1292-6_45] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
More than 100 years have passed since the first lectin ricin was discovered. Since then, a wide variety of lectins (lect means "select" in Latin) have been isolated from plants, animals, fungi, bacteria, as well as viruses, and their structures and properties have been characterized. At present, as many as 48 protein scaffolds have been identified as functional lectins from the viewpoint of three-dimensional structures as described in this chapter. In this chapter, representative 53 lectins are selected, and their major properties that include hemagglutinating activity, mitogen activity, blood group specificity, molecular weight, metal requirement, and sugar specificities are summarized as a comprehensive table. The list will provide a practically useful, comprehensive list for not only experienced lectin users but also many other non-expert researchers, who are not familiar to lectins and, therefore, have no access to advanced lectin biotechnologies described in other chapters.
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Affiliation(s)
- Yuka Kobayashi
- J-Oil Mills, Inc., 11, Kagetoricho, Totsuka-ku, Yokohama, Kanagawa, 245-0064, Japan,
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Yang Y, Yang G, Schmidt EP. In vivo measurement of the mouse pulmonary endothelial surface layer. J Vis Exp 2013:e50322. [PMID: 23462690 DOI: 10.3791/50322] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
The endothelial glycocalyx is a layer of proteoglycans and associated glycosaminoglycans lining the vascular lumen. In vivo, the glycocalyx is highly hydrated, forming a substantial endothelial surface layer (ESL) that contributes to the maintenance of endothelial function. As the endothelial glycocalyx is often aberrant in vitro and is lost during standard tissue fixation techniques, study of the ESL requires use of intravital microscopy. To best approximate the complex physiology of the alveolar microvasculature, pulmonary intravital imaging is ideally performed on a freely-moving lung. These preparations, however, typically suffer from extensive motion artifact. We demonstrate how closed-chest intravital microscopy of a freely-moving mouse lung can be used to measure glycocalyx integrity via ESL exclusion of fluorescently-labeled high molecular weight dextrans from the endothelial surface. This non-recovery surgical technique, which requires simultaneous brightfield and fluorescent imaging of the mouse lung, allows for longitudinal observation of the subpleural microvasculature without evidence of inducing confounding lung injury.
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Affiliation(s)
- Yimu Yang
- Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado School of Medicine, CO, USA
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Molnár J, Kars MD, Gündüz U, Engi H, Schumacher U, Van Damme EJ, Peumans WJ, Makovitzky J, Gyémánt N, Molnár P. Interaction of tomato lectin with ABC transporter in cancer cells: glycosylation confers functional conformation of P-gp. Acta Histochem 2009; 111:329-33. [PMID: 19124148 DOI: 10.1016/j.acthis.2008.11.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Phospho-glycoprotein (P-gp) is a polytopic plasma membrane protein whose overexpression causes multidrug resistance (MDR) responsible for the failure of cancer chemotherapy. P-gp 170 is a member of the ATP-binding cassette (ABC) transporter superfamily and has two potentially interesting regions for drugs interfering with its efflux function, namely the oligosaccharides on the first extracellular loop with unknown function and the two intracellular ATP-binding regions providing the energy for drug efflux function. The polylactoseamine oligosaccharides on the first loop can specifically bind the tomato lectin (TL). The P-gp efflux activities of TL-pre-treated MDR resistant cells were measured in the presence of structurally unrelated resistance modifiers such as phenothiazines, terpenoids and carotenoids. The inhibition of efflux activity was measured via the increased rhodamine uptake by mouse lymphoma cells transfected in human MDR1 gene and in human brain capillary endothelial cells. The tested resistance modifiers inhibit the function of ABC transporter resulting in increased R123 accumulation in MDR1 expressing cells. TL prevented the inhibitory action of phenothiazine and verapamil on brain capillary endothelial and MDR1-lymphoma cells, presumably due to the stabilization of the functional active conformation of P-gp. Our results indicate that the polylactosamine chains of P-gp are part of the functionally active protein conformation.
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Sasaki T, Yamazaki K, Yamori T, Endo T. Inhibition of proliferation and induction of differentiation of glioma cells with Datura stramonium agglutinin. Br J Cancer 2002; 87:918-23. [PMID: 12373609 PMCID: PMC2376164 DOI: 10.1038/sj.bjc.6600550] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2002] [Revised: 05/03/2002] [Accepted: 07/22/2002] [Indexed: 11/08/2022] Open
Abstract
We found that a lectin, Datura stramonium agglutinin, induced irreversible differentiation in C6 glioma cells. The differentiated cells had long processes, a low rate of proliferation and a high content of glial fibrillary acidic protein. When the medium was replaced with Datura stramonium agglutinin-free medium after 1 h, cell proliferation continued to be inhibited. Experiments with several other lectins indicated that both recognition of linear N-acetyllactosamine repeats and recognition of multiantennary units of cell-surface glycans were required for the inhibition of C6 proliferation. Proliferation of four human glial tumour cells was also inhibited by Datura stramonium agglutinin. Further, these differentiated human glial tumour cells had long processes and a high content of glial fibrillary acidic protein similar to differentiated C6 glioma cells. Taken together, these observations suggest that Datura stramonium agglutinin may be useful as a new therapy for treating glioma without side effects.
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Affiliation(s)
- T Sasaki
- Department of Glycobiology, Tokyo Metropolitan Institute of Gerontology, 35-2 Sakaecho, Itabashi-ku, Tokyo 173-0015, Japan
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Sasaki T, Endo T. Both cell-surface carbohydrates and protein tyrosine phosphatase are involved in the differentiation of astrocytes in vitro. Glia 2000; 32:60-70. [PMID: 10975911 DOI: 10.1002/1098-1136(200010)32:1<60::aid-glia60>3.0.co;2-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Astrocytes are important in the development and maintenance of functions of the CNS, acting in cooperation with neurons and other glial cells. The glycans on astrocyte membrane are believed to play important roles in cell-cell communication. Plant lectins are useful probes, because the lectins can bind to certain cell surface receptors and elicit cellular responses that are normally activated by endogenous ligands for those receptors. In the present study, we investigated the effect of Datura stramonium agglutinin (DSA) on astrocytes and characterized several molecular events. The addition of DSA to a culture of flat, polygonal, immature astrocytes derived from the neonatal rat cerebellum caused the cells to become stellate in shape, similar to astrocytes observed in vivo, concomitant with an increase in expression of astrocyte-specific intermediate filament (glial fibrillary acidic protein [GFAP]) and inhibition of proliferation. These results indicate that DSA binds to astrocytes and triggers differentiation. We also found a decrease in the extent of tyrosine-phosphorylation of a 38-kDa protein. To elucidate the molecular events during astrocyte differentiation, we examined the effects of various signal transduction inhibitors on the transformation from the polygonal to stellate shape (stellation). Interestingly, only tyrosine phosphatase inhibitors, orthovanadate and phenylarsine oxide, showed an inhibitory effect. Our results suggest that DSA induced astrocyte differentiation acts via tyrosine dephosphorylation.
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Affiliation(s)
- T Sasaki
- Department of Glycobiology, Tokyo Metropolitan Institute of Gerontology, Itabashi-ku, Tokyo, Japan
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Haltner E, Easson JH, Lehr CM. Lectins and bacterial invasion factors for controlling endo- and transcytosis of bioadhesive drug carrier systems. Eur J Pharm Biopharm 1997. [DOI: 10.1016/s0939-6411(97)00096-9] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Dabich D, Yurewicz EC, Battel VA. Deglycosylation with trifluoromethanesulfonic acid differentially affects inhibitor activities of turkey ovomucoid. BIOCHIMICA ET BIOPHYSICA ACTA 1993; 1164:47-53. [PMID: 8390860 DOI: 10.1016/0167-4838(93)90110-d] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Turkey ovomucoid is an inhibitor of both trypsin and chymotrypsin. Treatment of this glycoprotein with trifluoromethanesulfonic acid in anisole resulted in time-dependent removal of carbohydrate and altered its biological activity. After 6 h of treatment the apparent molecular mass obtained by SDS-PAGE decreased from 38 to 30 kDa. Carbohydrate analyses indicated loss of 94% of original saccharide residues. The inhibitory activity of each domain was analyzed independently by comparing enzymic activity of trypsin and chymotrypsin in the absence of inhibitor to that preincubated in the presence of varying amounts of native or deglycosylated ovomucoid, respectively. The results demonstrated that removal of saccharides with trifluoromethanesulfonic acid differentially affects the inhibitor activities of turkey ovomucoid. Decreased inhibitory activity of the trypsin domain was observed with casein and benzoyl arginine ethyl ester as substrates. In contrast, enhanced inhibitory activity of the chymotrypsin domain was observed with benzoyl tyrosine ethyl ester and methyl-O-succinyl-Arg-Pro-Tyr-p-nitroanilide, good substrates for chymotrypsin, but not with casein.
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Affiliation(s)
- D Dabich
- Department of Biochemistry, Wayne State University School of Medicine, Detroit, MI 48201
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Stevens AF, Miles MA, Allen AK. Trypanosoma cruzi: studies on the interactions of lectins with glycoconjugates of different zymodemes. Exp Parasitol 1988; 67:324-33. [PMID: 3056738 DOI: 10.1016/0014-4894(88)90079-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Detergent extracts were made of eight strains of Trypanosoma cruzi which were representative of the principal zymodemes. The extracts were subjected to sodium dodecyl sulfate-polyacrylamide gel electrophoresis and the glycoproteins were reacted with 21 different 125I-labeled lectins and autoradiographed. The staining patterns with particular lectins varied considerably between strains. Concanavalin A stained up to 17 distinct bands in some strains. Other lectins such as peanut lectin only stained two bands in zymodeme 1 strains and none in the other zymodemes. The reaction of N-acetylgalactosamine-specific lectins with some bands indicated the presence of this sugar and this was confirmed by analysis of the extracts. The lectin staining patterns provided an insight into the glycoprotein composition of the bands and should indicate whether combinations of lectins can be used in affinity chromatography systems to purify the glycoproteins.
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Affiliation(s)
- A F Stevens
- Department of Biochemistry, Charing Cross and Westminster Medical School, London, U.K
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Muthukumar G, Nickerson KW. The glycoprotein toxin of Bacillus thuringiensis subsp. israelensis indicates a lectinlike receptor in the larval mosquito gut. Appl Environ Microbiol 1987; 53:2650-5. [PMID: 2827571 PMCID: PMC204167 DOI: 10.1128/aem.53.11.2650-2655.1987] [Citation(s) in RCA: 27] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
The mosquito-active protein crystals produced by Bacillus thuringiensis subsp. israelensis contain covalently attached aminosugars which are critical for their larvicidal activity. The 50% lethal concentrations toward Aedes aegypti larvae were increased up to 10-fold by mild periodate treatment, up to 40-fold by forming the protein crystals in the presence of tunicamycin, and up to 7-fold by the presence during the mosquito bioassays of N-acetylglucosamine or its trimer, triacetylchitotriose. Periodate-treated crystals and crystals formed in the presence of tunicamycin had greatly reduced binding capacities for wheat germ agglutinin, an N-acetylglucosamine-specific lectin. These results suggest that the B. thuringiensis subsp. israelensis glycoprotein toxin binds to a lectinlike receptor in the larval mosquito gut. Furthermore, the distinct lectin-binding patterns exhibited by diptera-active versus lepidoptera-active B. thuringiensis crystals suggest that host specificity for the microbial insecticides is determined, in part, by the carbohydrate portion of their glycoprotein crystals.
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Affiliation(s)
- G Muthukumar
- School of Biological Sciences, University of Nebraska, Lincoln 68588-0118
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McCurrach PM, Kilpatrick DC. Purification of potato lectin (Solanum tuberosum agglutinin) from tubers or fruits using chromatofocusing. Anal Biochem 1986; 154:492-6. [PMID: 3089058 DOI: 10.1016/0003-2697(86)90020-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The lectin from potato tubers (Solanum tuberosum agglutinin) has been purified to homogeneity by a procedure involving chromatofocusing followed by gel filtration. By subjecting tuber and fruit extracts from an individual plant to this purification scheme, it was demonstrated that the lectins from those two tissues, though similar, are not identical.
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McDonald C, Jackson V, Kilpatrick DC, Yap PL, Prowse C. A diffusable factor in Scottish coagulation factor concentrates can inhibit lymphocyte transformation in vitro. Vox Sang 1985; 49:187-94. [PMID: 3931352 DOI: 10.1111/j.1423-0410.1985.tb00792.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Coagulation factor VIII and IX concentrates produced in Scotland inhibited human lymphocyte transformation induced by lectins or the recall antigen, purified protein derivative of tuberculin (PPD). Although concanavalin A could bind factor VIII directly and PHA could bind factor IX directly, most of the inhibition was not due to direct clotting factor - lectin interaction nor to simple toxicity. Most of the inhibitory activity from both clotting factors could be removed by dialysis. A similar degree of inhibition was observed when the buffers used to prepare the concentrates were substituted for the concentrates themselves, and a comparable concentration of sodium citrate was also found to be inhibitory. Coagulation factor VIII partially purified by gel filtration was not found to have an appreciable effect on lymphocyte transformation in vitro.
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