CXCL8 and asthma: The production of IL-8 and regulated upon activation in normal T cell expressed, and secreted (RANTES) was significantly increased in a dose-dependent manner after exposure to a peripheral mononuclear cell culture supernatant derived from a TDI-induced asthma patient, and this effect was suggested to be mediated by epidermal growth factor receptor and p38 mitogen-activated protein [34].