Myeloid C-type lectin receptors in skin/mucoepithelial diseases and tumors.

08:00 EDT 9th April 2019 | BioPortfolio

Summary of "Myeloid C-type lectin receptors in skin/mucoepithelial diseases and tumors."

Myeloid C-type lectin receptors (CLRs), which consist of an extracellular carbohydrate recognition domain and intracellular signal transducing motif such as the immunoreceptor tyrosine-based activation motif (ITAM) or immunoreceptor tyrosine-based inhibitory motif (ITIM), are innate immune receptors primarily expressed on myeloid lineage cells such as dendritic cells (DCs) and Mϕs. CLRs play important roles in host defense against infection by fungi and bacteria by recognizing specific carbohydrate components of these pathogens. However, these immune receptors also make important contributions to immune homeostasis of mucosa and skin in mammals by recognizing components of microbiota, as well as by recognizing self-components such as alarmins from dead cells and noncanonical non-carbohydrate ligands. CLR deficiency not only induces hypersensitivity to infection, but also causes dysregulation of muco-cutaneous immune homeostasis, resulting in the development of allergy, inflammation, autoimmunity, and tumors. In this review, we introduce recent discoveries regarding the roles of myeloid CLRs in the immune system exposed to the environment, and discuss the roles of these lectin receptors in the development of colitis, asthma, psoriasis, atopic dermatitis, and cancer. Although some CLRs are suggested to be involved in the development of these diseases, the function of CLRs and their ligands still largely remain to be elucidated.


Journal Details

This article was published in the following journal.

Name: Journal of leukocyte biology
ISSN: 1938-3673


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Medical and Biotech [MESH] Definitions

Stucturally-related receptors that are typically found on NATURAL KILLER CELLS. They are considered lectin-like proteins in that they share sequence homology with the carbohydrate binding domains of C-TYPE LECTINS. They differ from classical C-type lectins, however, in that they appear to lack CALCIUM-binding domains.

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