Abstract
The human airway epithelial cell is the primary site of human rhinovirus (HRV) infection in both the upper and lower airways, but HRV infection does not cause overt epithelial cytotoxicity at either location. Therefore, it is thought that HRV infections induce symptoms of the common cold or exacerbate lower airway diseases, such as asthma and chronic obstructive pulmonary disease, by altering epithelial cell biology. This premise has led to intense investigation of the interactions of HRV with epithelial cells. This article reviews current knowledge regarding how HRV induces epithelial induction of proinflammatory cytokines and chemokines. In addition, the contributions of epithelial cells to host antiviral responses will be reviewed along with evidence that HRV-infected epithelial cells may contribute to the airway remodeling that is a characteristic feature of asthma.
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