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1Association between cadherin-17 expression and pathological characteristics of gastric cancer:A meta-analysis显示文摘AIM: To construct a meta-analysis in order to examine the relationship between cadherin-17(CDH17) andgastric cancer(GC). METHODS: Related articles were selected by searching the following English or Chinese electronic databases: CINAHL, MEDLINE, Science Citation Index, the Chinese Journal Full-Text, and the Weipu Journal. NewcastleOttawa Scale(NOS) criteria were used to ensure consistency in reviewing and reporting results. Statistical analyses were conducted with Version 12.0 STATA statistical software.RESULTS: Ultimately, 11 articles, with a total of 2,120 GC patients, were found to be eligible for study inclusion. In comparisons of GC patients by TNM stage(Ⅲ-Ⅳ vs ?Ⅰ-Ⅱ: OR = 2.35, 95%CI: 1.15-4.825, P = 0.019), histologic grade(3-4 vs 1-2: OR = 3.48, 95%CI: 1.36-8.92, P = 0.009), invasion grade(T3-4 vs T1-2: OR = 2.86; 95%CI: 1.69-4.83; P = 0.000), and lymph node metastasis(positive vs negative: OR = 2.64; 95%CI: 1.33-5.27; P = 0.006), it was found that CDH17 showed more positive expressions in each of the more severe cases. Country-stratified analyses from all four experimental subgroups showed that high CDH17 expression levels may be related to GC among Chinese and Korean populations(all P < 0.05), with the exception of the invasion grade T3-4 vs T1-2 comparison, where the relation only held among the Chinese population(OR = 2.86, 95%CI: 1.69-4.83, P = 0.000). CONCLUSION: Collectively, the data reflects the capacity of CDH17 in tumor proliferation and metastasis among GC patients.Zi-Wen Long Meng-Long Zhou Jing-Wei Fu Xian-Qun Chu Ya-Nong Wang 2015World Journal of Gastroenterology2015,21,12:5
2Novel therapy for advanced gastric cancer显示文摘Gastric cancer(GC) is a common lethal malignancy.Gastroesophageal junction and gastric cardia tumors are the fastest rising malignancies due to increasing prevalence of obesity and acid reflex in the United States.Traditional chemotherapy remains the main treatment with trastuzumab targeting human epidermal growth factor receptor 2 positive disease.The median overall survival(OS) is less than one year for advanced GC patients; thus,there is an urgent unmet need to develop novel therapy for GC.Although multiple targeted agents were studied,only the vascular endothelial growth factor receptor inhibitor ramucirumab was approved recently by the United States Food and Drug Administration because of its 1.4 mo OS benefit(5.2 mo vs 3.8 mo,P = 0.047) as a single agent; 2.2 mo improvement of survival(9.6 mo vs 7.4 mo,P = 0.017) when combined with paclitaxel in previously treated advanced GC patients.It is the first single agent approved for previously treated GC and the second biologic agent after trastuzumab.Even with limited success,targeted therapy may be improved by developing new biomarkers.Immune therapy is changing the paradigm of cancer treatment and is presently under active investigation for GC in clinical trials.More evidence supports GC stem cells existence and early stage studies are looking for its potential therapeutic possibilities.Yue Zhang Shenhong Wu 2015World Journal of Gastrointestinal Oncology2015,7,11:0
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