We recently reported that swelling resulting from 2,4,6-trinitrochlorobenzene (TNCB) challenge might be associated with recruitment of neutrophils. However, it is not known whether neutrophil recruitment is affected by scratching at inflamed sites or not. Therefore, the effects of an Elizabethan collar on the TNCB-induced upregulation of ELR-positive chemokines (CXCL1, CXCL2, and CXCL5) and neutrophil recruitment were investigated.
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