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Review
. 2018 Mar 22;23(4):734.
doi: 10.3390/molecules23040734.

Expression, Distribution, and Role of C-Type Lectin Receptors in the Human and Animal Middle Ear and Eustachian Tube: A Review

Su Young Jung  1 , Sung Su Kim  2 , Young Il Kim  3 , Hee Yong Chung  4 , Sang Hoon Kim  5 , Seung Geun Yeo  6   7
Affiliations
Review

Expression, Distribution, and Role of C-Type Lectin Receptors in the Human and Animal Middle Ear and Eustachian Tube: A Review

Su Young Jung et al. Molecules. .

Abstract

Otitis media (OM) is a group of inflammatory diseases of the middle ear (ME), regardless of cause or pathological mechanism. Among the molecular biological studies assessing the pathology of OM are investigations into the expression of C-type lectin receptors (CLR) in the ME and Eustachian tube (ET). To date, nine studies have evaluated CLR expression in the ME and ET. The expression of individual CLRs in mammalian ME and ET varies by species and model of OM. Assessments have shown that the patterns of CLR expression in the ME and ET vary; that CLR expression may vary by type of OM; and that the distribution and levels of expression of CLRs may depend on the presence or absence of inflammation, with variations even within the same species and same tissue. Infection of the ME and ET with various pathogens is a common cause of all types of OM, with host responses to pathogens mediated initially by the innate immune system. CLRs are important factors in the innate immune system because they act as both adhesion molecules and as pathogen recognition receptors. The expression of CLRs in OM tissues suggests that CLRs are associated with the pathogenesis of various types of OM.

Keywords: c-type lectin receptor; glycans; human middle ear; lectin; otitis media.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
General pathogenesis of otitis media.
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