A clinical observation of different methods of methotrexate in conservative treatment of ectopic pregnancy / 中国基层医药

0.05)and no significant statistical difference was found.But the successful rate of first therapy of group A was 71.42%(85/119)and group B was 56.20%(77/137)(P

Expression of integrin?_3 and integrin ?_1 in breast cancer and its clinical significance / 中国基层医药

Objective To investigate the expression of inregrin?_3 and integrin?_1 in breast cancer and its bio- logical significance.Methods Immunohistochemical assay was used to determine the expression of integrin?_3 and integrin?_1 in the breast cancer(32 cases).Results In normal breast tissue,the positive expression rates of integrin?_3 and integrin?_1 were 0 % and 25 %.In the breast cancer tissue,the positive expression rates of integrin?_3 and inte- grin?_1 were 36 % and 81%.Conclusion The integrin?_3 and integrin?_1 are close associated with the biological sig- nificance of breast cancer.To examine its expression is useful to evaluate the aggressive degree,metastatic potential and prognosis in patients with breast cancer.