The Effects of β-Glucans on Dendritic Cells and Implications for Cancer Therapy

ISSN: 1875-5992 (Online)
ISSN: 1871-5206 (Print)


Volume 14, 10 Issues, 2014


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Anti-Cancer Agents in Medicinal Chemistry

Formerly: Current Medicinal Chemistry - Anti-Cancer Agents

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  • 26th of 59 in Chemistry, Medicinal
  • 99th of 197 in Oncology

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Editor-in-Chief:
Michelle Prudhomme
Universite Blaise Pascal - C.N.R.S
Aubiere Cedex
France


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The Effects of β-Glucans on Dendritic Cells and Implications for Cancer Therapy

Author(s): Sabrin Husein Albeituni and Jun Yan


Abstract

β-Glucans are polysaccharides of β-D-glucose extracted from the cell walls of different species of mushrooms, yeast, oat, barley, seaweeds, algae and bacteria. Modern biomedical research has identified β-glucans as biological response modifiers (BRM) with anti-tumor properties that elicit potent immune responses through its recognition by a variety of pattern recognition receptors (PRRs) on dendritic cells (DCs), macrophages and neutrophils. Complement receptor-3 (CR3), lactosylceramides, scavenger receptors and dectin-1 are involved in β-glucan recognition, triggering a series of signaling events that modulate innate and subsequently adaptive immune responses. β-Glucan binding to specific receptors in DCs and macrophages triggers their activation and maturation, increases their antigen-presentation ability and enhances the production of proinflammatory cytokines that stimulate the polarization of TH1 or TH17 responses, and induces the activation of antigen-specific CD8+ cytotoxic T lymphocytes (CTL). Moreover, large β-glucans can be degraded by macrophages into smaller moieties, that when released, prime CR3 receptor on neutrophils and natural killer (NK) cells mediating CR3-dependent cellular cytotoxicity (CR3-DCC) of iC3b opsonized tumor cells. Elucidating the molecular mechanisms of β-glucan-induced signaling in immune cells is essential for the design of new therapeutic strategies against cancer. Future studies should be done to translate β-glucan research to the clinic.


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Article Details

Volume: 13
First Page: 1
Last Page: 1
Page Count: 1
DOI: 10.2174/1871520613666131125122547
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