Based on themotif of Glu-Leu-Arg sequence, CXC chemokine can further be classified as CXC chemokine and non-ELR CXC chemokines.

• 一般说来，ELR CXC趋化中性粒细胞而对单核细胞和淋巴细胞无作用； non-ELR CXC趋化淋巴细胞而对中性粒细胞和单核细胞无作用；