| study on the association of cox-2 genetic polymorphisms with risk of gastric cancer in high incidence hexi area of gansu province in china. | to investigate the possible association of polymorphisms, cyclooxygenase-2 (cox-2) promoter region -899g>c, cox-2 codon 587g>a, with risk of gastric cancer in the high incidence hexi area of gansu province in china. blood samples from 140 patients with gastric carcinoma and 125 normal persons were collected in hexi area of gansu province in china. polymorphisms of cox-2 -899g>a and cox-2 587g>a were genotyped by pcr-taqman. for detection helicobacter pylori infection, warhin-starry staining was ... | 2011 | 20364406 |