In mouse model of OVA-induced asthma, depletion of γδ T cells after sensitization leads to an increase in AHR (Lahn et al. 1999; Schramm et al. 2000), while depletion of αβ T cells leads to total lack of response to OVA challenge (Schramm et al. 2000). Here, AHR is linked to asthma.