CCL28 and neoplasm: Next, we more closely examined the chemokine secretion profiles of xenografted BCSC5 compared with culture cells to exclude the possibility that xenograft-derived cells lost their ability to attract γδ T cells to the tumor site in vivo. Of the detected chemokines, CXCL5 expression was reduced in the xenograft-derived tumor cells compared with BCSC5 culture cells, while CCL20 and CCL28 expression was augmented (Fig. 5B).