首页|Interleukin-8 associates with adhesion, migration, invasion and chemosensitivity of human gastric cancer cells
Interleukin-8 associates with adhesion, migration, invasion and chemosensitivity of human gastric cancer cells
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NETL
NSTL
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维普
AIM:To investigate the relationship between Interleukin-8 (IL-8) and proliferation,adhesion,migration,invasion and chemosensitivity of gastric cancer (GC) cells.METHODS:The IL-8 cDNA was stably transfected into human GC cell line MKN-45 and selected IL-8-secreting transfectants.The expression of IL-8 in human GC cell line KATO-Ⅲ was inhibited by RNA interference.The expressions of mRNA and protein of IL-8 in GC cells were detected by real-time reverse transcriptionpolymerase chain reaction or enzyme-linked immunosorbent assay (ELISA).RESULTS:The overexpression of IL-8 resulted in an increased cell adhesion,migration and invasion,and a significant resistance to oxaliplatin in MKN-45 cells.Inhibition of IL-8 expression with small interfering RNA decreased the adhesion,migration and invasion functions and oxaliplatin resistance in KATO-Ⅲ cells.IL-8 increased NF-кB and Akt activities and adhesion molecules ICAM-1,VCAM-1,and CD44 expression in GC cells.CONCLUSION:Overexpression of IL-8 promotes the adhesion,migration,invasion,and chemoresistance of GC cells,indicating that IL-8 is an important therapeutic target in GC.
NETL
NSTL
万方数据
维普
