MAJingyou 1,2 , CUIZhexu 1,2 , LIHuagen 1,2 , YANGFuqiang 1,2 , WANGYan 1,2 , SHENHao 1 , LIUZhen 1,2
  • 1. Inner Mongolia University for Nationalities, Tongliao, Inner Mongolia Autonomous Region  028000, P.R.China;
  • 2. Department of General Surgery, The Affiliated Hospital of Inner Mongolia University for Nationalities, Tongliao, Inner Mongolia autonomous Region 028000, P.R.China;
LIUZhen, Email: liuzhen95@sohu.com
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Objective  To investigate the expression and clinical significance of Notch-1 protein in papillary thyroid carcinoma (PTC) tissues and cervical lymph node metastases. Methods  Immunohistochemical method was used to detect the expression of Notch-1 protein in 69 cases of PTC tissues, along with tumor adjacent tissues and 34 cases of metastatic lymph node tissues, and to analyze its role in PTC and metastatic lymph node tissue. Results  Compared with PTC tissues or cervical lymph node metastases and tumor adjacent tissues, the positive rates of expression of Notch-1 protein in PTC tissues or cervical lymph node metastases were significantly lower than that in cancer adjacent tissues (P<0.05). The expression of Notch-1 protein was correlated with the tumor size and capsule invasion of patients with PTC. Conclusions  Notch-1 protein expression is decreased in PTC tissues and metastatic lymph node tissues, suggesting that the Notch-1 protein may play an important role in the development, invasion and metastasis of PTC. There is no significant difference in the positive rates of Notch-1 protein expression in PTC tissues and metastatic lymph node tissues, it's suggested that the malignant degree of cancer cells in lymph node metastasis is not significantly increased, and the biological behavior remained relatively stable.

Citation: MAJingyou, CUIZhexu, LIHuagen, YANGFuqiang, WANGYan, SHENHao, LIUZhen. Expression and clinical significance of notch-1 protein in papillary thyroid carcinoma tissues and cervical lymph node metastases. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2017, 24(1): 70-73. doi: 10.7507/1007-9424.201607012 Copy

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