The interaction of TECK and its receptor CCR9 plays a pivotal role in recruiting the developing thymocytes to their distinct compartment of the thymus.

TECK, a CC chemokine, is chemotactic for activated macrophages, dendritic cells, and thymocytes.

Thymus-expressed chemokine (TECK) belongs to CC chemokine and is expressed mainly in thymus and small intestine. It can facilitate chemotaxis of human G protein-coupled receptor GPR-9-6/L1.2 transfectants. Further, TECK potentially assists in T Cell Development.

Lyophilized from a 0.2 μm filtered solution in phosphate buffered saline containing at least 50 μg bovine serum albumin per 1 μg of cytokine.

The biological activity is measured by its ability to chemoattract hCCR9 transfected BaF/3 cells.