Academic literature on the topic 'Lectin receptor'

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Journal articles on the topic "Lectin receptor"

1

Masnikosa, Romana, Anna Nikolic, and Olgica Nedic. "Lectin-induced alterations of the interaction of insulin and insulin-like growth factor 1 receptors with their ligands." Journal of the Serbian Chemical Society 73, no. 8-9 (2008): 793–804. http://dx.doi.org/10.2298/jsc0809793m.

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In order to study whether the carbohydrate moieties of the human placental IGF-I receptor (IGF1R), IGF-II receptor (IGF2R) and insulin receptors (IRs) play a role in ligand binding, solubilised cell membrane preparations were incubated with 125I-labelled IGF-I, IGF-II and insulin in the presence of lectins with different sugar specificities. Three incubation procedures were tested: ligand-first, co-incubation and lectin-first incubation. Wheat germ agglutinin (WGA), concanavalin A (Con A) and phytohaemagglutinin (PHA) altered the binding of IGF-I and insulin to their high-affinity receptors in
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2

Jégouzo, Sabine A. F., Conor Nelson, Thomas Hardwick, et al. "Mammalian lectin arrays for screening host–microbe interactions." Journal of Biological Chemistry 295, no. 14 (2020): 4541–55. http://dx.doi.org/10.1074/jbc.ra120.012783.

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Many members of the C-type lectin family of glycan-binding receptors have been ascribed roles in the recognition of microorganisms and serve as key receptors in the innate immune response to pathogens. Other mammalian receptors have become targets through which pathogens enter target cells. These receptor roles have often been documented with binding studies involving individual pairs of receptors and microorganisms. To provide a systematic overview of interactions between microbes and the large complement of C-type lectins, here we developed a lectin array and suitable protocols for labeling
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3

Upham, Jacqueline P., Danielle Pickett, Tatsuro Irimura, E. Margot Anders, and Patrick C. Reading. "Macrophage Receptors for Influenza A Virus: Role of the Macrophage Galactose-Type Lectin and Mannose Receptor in Viral Entry." Journal of Virology 84, no. 8 (2010): 3730–37. http://dx.doi.org/10.1128/jvi.02148-09.

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ABSTRACT Although sialic acid has long been recognized as the primary receptor determinant for attachment of influenza virus to host cells, the specific receptor molecules that mediate viral entry are not known for any cell type. For the infection of murine macrophages by influenza virus, our earlier study indicated involvement of a C-type lectin, the macrophage mannose receptor (MMR), in this process. Here, we have used direct binding techniques to confirm and characterize the interaction of influenza virus with the MMR and to seek additional macrophage surface molecules that may have potenti
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4

Baricevic, Ivona, Ljiljana Vicovac-Panic, Vesna Marinovic, and Margita Cuperlovic. "Investigations of asialoglycoprotein receptor glycosylation by lectin affinity methods." Journal of the Serbian Chemical Society 67, no. 5 (2002): 331–38. http://dx.doi.org/10.2298/jsc0205331b.

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The asialoglycoprotein receptor belongs to the family of calcium-dependent (C-type) animal lectins. The purified receptor is a glycoprotein in which 10 % of the dry weight consists of sialic acid, galactose, N-acetylglucosamine and mannose. The carbohydrate content of the asialoglycoprotein receptor was investigated by lectin affinity methods. The usefulness of plant lectin affinity methods in the characterization of the saccharide content of the asialoglycoprotein receptor, as an animal lectin, is demonstrated. RCA I ConA, PHA, SNA I and WGA showed greater affinity toward the asialoglycoprote
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5

Karpova, I. S., I. M. Shuba, V. V. Lylo, and O. Y. Glavatskyi. "Characteristics of lectin receptors on erythrocyte membranes of patients with glioblastoma." Faktori eksperimental'noi evolucii organizmiv 34 (September 25, 2024): 165–69. http://dx.doi.org/10.7124/feeo.v34.1634.

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Aim. This work is devoted to the search the abnormalities of the receptor-lectin reactions associated with glioblastoma for diagnostic purposes. Methods. Red blood cell (RBC) specimens were taken from 22 persons distributed into the two cohorts: donors without an oncological diagnosis; patients with glioblastoma (GB). Panel of 9 commercial lectins (LECTINOTEST, Lviv, Ukraine) was used: ConA, WGA, PHA-P; PHA-E; PHA-L, SNA, VAA, STA, and LABA. Also the original lectin from persimmon sepals (named PSL) was used. It was obtained by isoelectric focusing and ammonium sulfate fractionation. Intensity
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6

Hébert, Eric. "Endogenous Lectins as Cell Surface Transducers." Bioscience Reports 20, no. 4 (2000): 213–37. http://dx.doi.org/10.1023/a:1026484722248.

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Interactions between cells or between cell and substratum involve specificreceptors and their ligands. Among the various cell surface receptorsidentified during the last decades, the carbohydrate-binding proteins, e.g., lectins are of peculiar interest because glycolipids, glycoproteinsand proteoglycans have been shown to interact with lectins on the surfaceof animal cells. Animal lectins are recognized as molecules playingimportant roles in a variety of biological processes through binding toglycoconjugates and lectin-like receptors such as selectins, sialoadhesins(CD22, CD33), natural killer
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7

Karpova, I. S. "SPECIFIC INTERACTIONS BETWEEN LECTINS AND RED BLOOD CELLS OF CHORNOBYL CLEANUP WORKERS AS INDICATOR OF SOME LATE RADIATION EFFECTS." Experimental Oncology 38, no. 4 (2016): 261–66. http://dx.doi.org/10.31768/2312-8852.2016.38(4):261-266.

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Aim: Growing interest in lectins is based on their diagnostic and pharmacological potential, especially the ability to inhibit proliferation and initiate apoptosis of cancer cells. In our research microplate lectinoassay able to detect carbohydrate containing structures (receptors) on erythrocyte surface have been proposed for Chornobyl cleanup workers (1986) monitoring. It was expected to reveal specific abnormalities associated with pathological condition arising as a result of late radiation effects. Materials and Methods: Red blood cell (RBC) specimens were taken from 171 persons distribut
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8

Lakhtin, V. M., M. V. Lakhtin, A. Yu Mironov, V. A. Aleshkin, and S. S. Afanasiev. "LECTIN POPULATIONS OF NK CELLS AGAINST VIRUSES-ASSOCIATED TUMORS (REVIEW OF LITERATURE)." Russian Clinical Laboratory Diagnostics 64, no. 5 (2019): 314–20. http://dx.doi.org/10.18821/0869-2084-2019-64-5-314-320.

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Analysis of the human NK (natural killers) cells and their functionally different populations in connection to tumor processes accompanied with viral infections is presented. Receptor lectins (non-immunoglobulin proteins and their complexes recognizing polysaccharides, glycoconjugates and glycopattern-containing molecules) play important role in regulation of innate immunity. Communicative diversity of NK-cell populations (in which lectins cofunction to other receptors) is directed against tumors and viruses. Effectiveness and selectivity of action of NK cell populations can be increased in co
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9

Landi, Alessia, Muriel Mari, Svenja Kleiser, et al. "Pseudomonas aeruginosa lectin LecB impairs keratinocyte fitness by abrogating growth factor signalling." Life Science Alliance 2, no. 6 (2019): e201900422. http://dx.doi.org/10.26508/lsa.201900422.

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Lectins are glycan-binding proteins with no catalytic activity and ubiquitously expressed in nature. Numerous bacteria use lectins to efficiently bind to epithelia, thus facilitating tissue colonisation. Wounded skin is one of the preferred niches for Pseudomonas aeruginosa, which has developed diverse strategies to impair tissue repair processes and promote infection. Here, we analyse the effect of the P. aeruginosa fucose-binding lectin LecB on human keratinocytes and demonstrate that it triggers events in the host, upon binding to fucosylated residues on cell membrane receptors, which exten
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10

Barre, Annick, Els J. M. Van Damme, Mathias Simplicien, et al. "Man-Specific Lectins from Plants, Fungi, Algae and Cyanobacteria, as Potential Blockers for SARS-CoV, MERS-CoV and SARS-CoV-2 (COVID-19) Coronaviruses: Biomedical Perspectives." Cells 10, no. 7 (2021): 1619. http://dx.doi.org/10.3390/cells10071619.

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Betacoronaviruses, responsible for the “Severe Acute Respiratory Syndrome” (SARS) and the “Middle East Respiratory Syndrome” (MERS), use the spikes protruding from the virion envelope to attach and subsequently infect the host cells. The coronavirus spike (S) proteins contain receptor binding domains (RBD), allowing the specific recognition of either the dipeptidyl peptidase CD23 (MERS-CoV) or the angiotensin-converting enzyme ACE2 (SARS-Cov, SARS-CoV-2) host cell receptors. The heavily glycosylated S protein includes both complex and high-mannose type N-glycans that are well exposed at the su
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