PSGL-1 (P-selectin glycoprotein ligand 1) is a mucin expressed on microvilli of almost all types of leukocytes.
选择素糖蛋白配体1）是一种组成性地表达于几乎所有白细胞微绒毛上的黏蛋白。
2
However, till now it is yet unknown how L-selectin and PSGL-1 initiate similar signaling pathways, nor any crosslinking between the two pathways has been found.