CCL3 and neoplasm: In B6/129 ACKR2-deficient mice, treatment with tetradecanoyl phorbol acetate/dimethylbenz(a) anthracene (TPA, a tumour promoting agent for cutaneous malignancy/DMBA) caused elevated levels of CCL3, leading to inflammation and recruitment of polymorphonuclear cells (PMNs) and CD3+ T cells into papillomas.