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Cell Mol Life Sci. 2005 Jun;62(12):1349-58.

Contribution of microbial-associated molecules in innate mucosal responses.

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Centre d'Immunologie de Marseille-Luminy, CNRS-INSERM-Université de la Méditerranée, Campus de Luminy, Case 906, 13288 Marseille, Cedex 9, France.


Both innate immunity and mucosal surfaces provide the first line of defence against mucosal infections. Innate immunity is a universal and evolutionarily conserved form of host defence that senses microbial organisms. Recent advances in the field of immunology are due mainly to the discovery of the role of Toll-like receptors (TLRs), which recognize conserved microbial molecules. TLR stimulation induces specific patterns of gene expression that lead to the shaping of innate and adaptive immunity. Since mucosal tissues are colonized by innocuous microflora and challenged by infectious pathogens, activation of TLRs in epithelial and lamina propria cells must be tightly controlled to avoid inappropriate signalling that might lead to mucosal inflammation. This review aims to highlight novel insight on the molecules, pathways and gene expression networks associated with microbial recognition by TLRs and mucosal immunity.

[Indexed for MEDLINE]

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