The prognostic value of B7H1 and B7H4 expression in pancreatic cancer: A meta-analysis.,The International Journal of Biological Markers

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The prognostic value of B7H1 and B7H4 expression in pancreatic cancer: A meta-analysis.
The International Journal of Biological Markers ( IF 2.3 ) Pub Date : 2019-10-14 , DOI: 10.1177/1724600819881147
Zi-Juan Qi ₁ , Dan Yu ₂ , Chun-Hong Chen ₃ , Hong Jiang ₁ , Ran Li ₄ , Yong-Ming Kang ₂

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OBJECTIVE The clinical implications of B7H1 and B7H4 in pancreatic cancer have been described however, the prognostic significance of these genes in pancreatic cancer patients remains inconclusive. The aim of the present study was to evaluate the prognostic role of B7H1 and B7H4 in pancreatic cancer patients. METHODS Electronic databases (PubMed, EMBASE, and the Cochrane Library) were searched for relevant articles published before May 2019. Meta-analyses were performed by pooling the hazard ratios (HRs) between overall survival or cancer-specific survival and high or low expression of B7H1/B7H4 in pancreatic cancer patients. Subgroup and sensitivity analyses were performed, and sources of variabilities were explored by performing meta-regression. RESULTS Sixteen studies (1434 patients' data) were included. Compared with low expression, high expression of B7H1 was associated with significantly poor overall survival (HR 1.92 (95% confidence interval (CI) 1.35, 2.74); P<0.001) and cancer-specific survival (HR 2.46 (95% CI 1.55, 3.90); P<0.001). High expression of B7H4 also predicted poor overall survival (HR 2.38 (95% CI 1.89, 3.00); P<0.001). In subgroup analyses, a significant association between B7H1 and overall survival was observed for trials conducted in China (HR 2.08 (95% CI 1.29, 3.34)) but not in Japan (HR 1.98 (95% CI 1.33, 2.96)); or in studies with <50% patients having high expression (HR 2.02 (95% CI 1.40, 2.91)) but not in studies with >50% patients with high expression (HR 1.40 (95% CI 0.87, 2.26)). CONCLUSION The current study suggests that high B7H1 and B7H4 expression is associated with a poor prognosis in pancreatic cancer patients.

更新日期：2019-11-01

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