Expression and clinical significance of Periostin, VEGF and MMP-9 in breast invasive ductal carcinoma
2014
Objective To investigate the expression and significance of Periostin,VEGF and MMP-9 in breast invasive ductal carcinoma.Methods Immunohistochemistry was employed to detect the expression of Periostin,VEGF and MMP-9 in breast invasive ductal carcinoma and normal breast tissue.Results In breast invasive ductal carcinoma and normal breast tissue,the positive rates of Periostin were 63.8 % (37/58) and 0 (x2 =24.272,P =0.000).The figures were 69 % (40/58) and 8 % (2/25) for the positive rates of VEGF (x2 =25.977,P =0.000),respectively,as well as 70.69 % (41/58) and 16.0 % (4/25) for the positive rates of MMP-9 (x2 =21.050,P =0.000),respectively.There were significant differences among the groups (P < 0.05).In breast invasive ductal carcinoma,the expression of Periostin was correlated with clinical stage (x2 =4.835,P =0.028),whereas not correlated with age (x2 =1.155,P=0.282),histological grade (x2 =0.05,P =0.972),lymphatic metastasis (x2 =1.660,P =0.198).The expression of VEGF was correlated with clinical stage (x2 =4.230,P =0.040),lymphatic metastasis (x2 =9.667,P =0.002),whereas not correlated with age (x2 =0.506,P =0.477),histological grade (x2 =0.532,P =0.767).The expression of MMP-9 was correlated with clinical stage (x2 =8.456,P =0.004),lymphatic metastasis (x2 =5.494,P =0.019),whereas not correlated with age (x2 =0.153,P =0.695),histological grade (x2 =0.224,P =0.894).The expression of Periostin,VEGF and MMP-9 were positively correlated with each other in breast invasive ductal carcinoma (r =0.348,P =0.001; r =0.303,P =0.021; r =0.469,P =0.000).Conclusion Periostin,VEGF and MMP-9 are correlated closely with the occurrence and development of breast invasive ductal carcinoma,which might be valuable in evaluating the invasiveness,metastasis and prognosis.
Key words:
Breast neoplasms; Protein, Periostin; Vascular endothelial growth factors; Matrix metalloproteinase 9; Immunohistochemistry
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