Construction of a CXCL12-KDEL Fusion Gene to Inhibit Head and Neck Squamous Cell Carcinoma Metastasis by Intracellular Sequestration of CXCR4

Table 4

Chemotactic cells count and chemotactic index in each group (  ± s, = 3).

Group	Cell count	CI value
Nontransfection group	825.67 ± 62.80	1
Empty vector (pIRES2-EGFP) transfection group	711.33 ± 49.54	0.86
CXCL12-KDEL transfection group	216.00 ± 84.12	0.26