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CLEC7A is a member of the C-type lectin/C-type lectin-like domain （CTL/CTLD） superfamily. It functions as a pattern-recognition receptor for a variety of β-1,3-linked and β-1,6-linked glucans from fungi and plants, and in this way plays a role in innate immune response. Expression is found on myeloid dendritic cells, monocytes, macrophages and B cells. The C-type lectin receptors are class of signalling pattern recognition receptors which are involved in antifungal immunity, but also play important roles in immune responses to other pathogens such as bacteria, viruses and nematodes. Also operating as a co-stimulatory molecule via recognition of an endogenous ligand on T-cells, which leads to cellular activation and proliferation, CLEC7A can bind both CD4+ and CD8+ T cells.