Description: This TX56 monoclonal antibody reacts with mouse CD155 (also known as poliovirus receptor or PVR), a member of the Ig superfamily of nectins and nectin-like proteins. CD155 is expressed on thymocytes (e.g. CD4+CD8+ and CD4+ cells), peripheral T and B lymphocytes (e.g. regulatory T cells, activated T cells, marginal zone B cells, and plasma cells), natural killer (NK) cells, dendritic cells (e.g. mature and activated), and monocytes. CD155 interacts with other nectins, including Nectin-3 and the extraceullar matrix protein vitronectin, the adhesion molecule CD226/DNAM-1, and the NK cell receptor CD96. CD155 plays a role in cell-cell adhesion, including formation of adherens junctions, cell migration, polarization, and NK-mediated cytotoxicity. In humans, but not in mice, CD155 is the receptor for poliovirus.
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