首页|Interleukin-8, a promising predictor for prognosis of pancreatic cancer
Interleukin-8, a promising predictor for prognosis of pancreatic cancer
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NETL
NSTL
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维普
AIM:To investigate the value of interleukin-8 (IL-8),a pro-inflammatory chemokine,in predicting the prognosis of pancreatic cancer.METHODS:Expression of IL-8 and its receptor CXCR1 was assessed by immunohistochemistry in pancreatic cancer and chronic pancreatitis samples.Enzyme-linked immunosorbent assay was used to detect the serum IL-8 levels in pancreatic cancer patients.Human pancreatic cancer tissues were heterotopically transplanted to the immune-deficiency mice to evaluate the effect of serum IL-8 on the tumorigenesis of the cancer samples.RESULTS:IL-8 and CXCR1 proteins were both overexpressed in pancreatic adenocarcinoma samples (55.6% and 65.4%,respectively) compared with the matched para-cancer tissues (25.9% and 12.3%,P < 0.01),or chronic pancreatitis (0% and 25%,P <0.05).Serum IL-8 levels in pancreatic cancer patients (271.1 ± 187.7 ng/mL) were higher than in other digestive system tumors,such as gastric cancer (41.77 ±9.11 ng/mL,P =0.025),colorectal carcinoma (78.72 ±80.60 ng/mL,P =0.032) and hepatocellular carcinoma (59.60 ± 19.80 ng/mL,P =0.016).In vivo tumorigenesis analysis further proved that tumor tissues from patients with higher serum IL-8 levels grew faster than those with lower IL-8 levels.CONCLUSION:IL-8 can be a fine serum marker for predicting the prognosis pancreatic cancer.