It has been shown in vitro to function as a chemo attractant for cells such as vascular smooth muscle cells (VSMC) and human umbilical vein endothelial cells (HUVEC).
Það hefur verið verið sýnt in vitro að próteinið hefur áhrif á frumufar VSMC fruma (vascular smooth muscle cells) og HUVEC fruma (human umbilical vein endothelial cells).