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1.
Chinese Journal of General Surgery ; (12)2001.
Artigo em Chinês | WPRIM | ID: wpr-521150

RESUMO

Objective To investigate the expression of CK19mRNA and CD44mRNA in peripheral blood of patients with breast cancer for forecasting micrometastasis. Methods Expression of CK19 and CD44 were detected in 107 patients by RT-PCR method. Results CK19 and CD44 were positive in 31.8%(34/107) and 32.7%(35/107) of patients with breast cancer 24 hours before surgery respectively,which were statistically different from that of 12 days postoperatively and that of normal controls (all P

2.
Chinese Journal of General Surgery ; (12)2001.
Artigo em Chinês | WPRIM | ID: wpr-525264

RESUMO

ObjectiveTo observe the effects of D-limonene on lymphangiogenesis and lymph node metastasis in breast cancer. Methods Human breast cancer cell lines MDA-MB-435 were implanted into the mammary fat pad of 24 female nude mice to establish breast cancer model. The tumor volume and the incidences of lymph node metastasis were detected. Immunohistochemical staining was used to detect the lymphatic microvessel density and VEGF-C expression of the breast cancer tissues. Results In D-limonene group, tumor volume(0.824?0.31) and incidences of lymph node metastasis(25.0%) were significantly inhibited compared with control group (2.178?0.35,87.5%)(all P

3.
Chinese Journal of General Surgery ; (12)2001.
Artigo em Chinês | WPRIM | ID: wpr-522881

RESUMO

Objective To observe the effects of D-limonene on the adhesiveness and invasion of gastric cancer cell line-SGC-7901. Methods MTT chromatometry was used to detect the effects of D-limonene on cancer cell′s survival rate. Fibronectin and laminin were employed to detect the adhesive inhibition of SGC-7901 by D-limonene. Using artificial basal membrane,invasion inhibition of SGC-7901 was studied in Transwell cabin. Matrix metalloproteinase 2 (MMP-2) and metalloproteinase 2 (TIMP-2) protein of SGC-7901 was detected by Western-blot. Results The growth of cancer cells was significantly inhibited in a dose dependent manner. The adhesiveness and invasion were prohibited. At the dosage of 0.25 mmol/L,the expression of MMP-2 was down regulated (2.9?0.3),and TIMP-2 up regulated (29.5?0.6) significantly different from control groups (28.6?0.5 and 18.6?0.3,all P

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