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Infection with HCoV-NL63 affects receptor expression on the cell surface. Levels of bacterial receptors on the cell surface were determined by FACS on HCoV-NL63- or mock-infected LLC-MK2 cells (grey lines and filled areas, respectively). Analysis was performed for PAF-R, E-cadherin (E-Cadh), TLR-2 and TLR4. The data are representative of three independent experiments.
