Immunostimulatory activity of ConBr: a focus on splenocyte proliferation and proliferative cytokine secretion

Lectins constitute a class of glycoproteins, which are capable of selectively and reversibly binding to carbohydrates, distinguishing small structural differences in complex oligosaccharides. Studies have shown that the binding of lectins to cell-surface carbohydrates can lead to various effects suc...

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Veröffentlicht in:Cell and tissue research 2011-11, Vol.346 (2), p.237-244
Hauptverfasser: de Oliveira Silva, Flávio, das Neves Santos, Priscila, de Melo, Cristiane Moutinho Lagos, Teixeira, Edson Holanda, de Sousa Cavada, Benildo, Pereira, Valéria Alves Rêgo, Porto, Ana Lúcia Figueiredo, Cajazeiras, João Batista, Arruda, Francisco Vassiliepe Sousa, Almeida, Alysson Chaves
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container_end_page 244
container_issue 2
container_start_page 237
container_title Cell and tissue research
container_volume 346
creator de Oliveira Silva, Flávio
das Neves Santos, Priscila
de Melo, Cristiane Moutinho Lagos
Teixeira, Edson Holanda
de Sousa Cavada, Benildo
Pereira, Valéria Alves Rêgo
Porto, Ana Lúcia Figueiredo
Cajazeiras, João Batista
Arruda, Francisco Vassiliepe Sousa
Almeida, Alysson Chaves
description Lectins constitute a class of glycoproteins, which are capable of selectively and reversibly binding to carbohydrates, distinguishing small structural differences in complex oligosaccharides. Studies have shown that the binding of lectins to cell-surface carbohydrates can lead to various effects such as cellular proliferation, histamine release and cytokine production. Canavalia brasiliensis lectin (ConBr) is a (D-mannose) D-glucose lectin. In this study, murine splenocytes were cultured to determine the effect of ConBr on cell proliferation, nitric oxide (NO) release and cytokine secretion. In addition, cellular viability assays were performed to evaluate any mitogenic activity induced by this lectin. ConBr significantly increased cell proliferation with minimal cell damage. This lectin was able to induce an increased production of cytokines such as IL-2, IL-6 and IFN-γ and a decreased production of IL- 10. The release of NO was also observed. The results of this study indicate that ConBr could potentially be used as an immunomodulator.
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Studies have shown that the binding of lectins to cell-surface carbohydrates can lead to various effects such as cellular proliferation, histamine release and cytokine production. Canavalia brasiliensis lectin (ConBr) is a (D-mannose) D-glucose lectin. In this study, murine splenocytes were cultured to determine the effect of ConBr on cell proliferation, nitric oxide (NO) release and cytokine secretion. In addition, cellular viability assays were performed to evaluate any mitogenic activity induced by this lectin. ConBr significantly increased cell proliferation with minimal cell damage. This lectin was able to induce an increased production of cytokines such as IL-2, IL-6 and IFN-γ and a decreased production of IL- 10. The release of NO was also observed. 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subjects Adjuvants, Immunologic - pharmacology
Animals
Biomedical and Life Sciences
Biomedicine
Carbohydrates
Cell growth
Cell proliferation
Cell Proliferation - drug effects
Cell Survival - drug effects
Cells, Cultured
Concanavalin A - pharmacology
Cytokines
Cytokines - secretion
Dextrose
gamma -Interferon
Glucose
Glucose metabolism
Glycoproteins
Histamine
Human Genetics
Immune system
Immunization
Immunomodulation
Immunostimulation
Interferon-gamma - biosynthesis
Interleukin 2
Interleukin 6
Interleukin-10 - biosynthesis
Interleukin-2 - biosynthesis
Interleukin-6 - biosynthesis
Lectins
Male
Mannose
Mice
Mice, Inbred BALB C
Molecular Medicine
Nitric oxide
Nitric Oxide - secretion
oligosaccharides
Plant Lectins - pharmacology
Proteomics
Regular Article
Rodents
Spleen
Spleen - cytology
Spleen - drug effects
Spleen - secretion
Splenocytes
title Immunostimulatory activity of ConBr: a focus on splenocyte proliferation and proliferative cytokine secretion
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