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Immunolocalisation of tissue factor in esophageal cancer is correlated with intratumoral angiogenesis and prognosis of the patient

In English

Författare

  • Lujun Chen
  • Guanghua Luo
  • Yan Tan
  • Jiang Wei
  • Cao Wu
  • Lu Zheng
  • Xiaoying Zhang
  • Ning Xu

Summary, in English

It has been demonstrated that tissue factor (TF) may be involved in the tumor-derived procoagulatory status and angiogenic modulation in certain solid tumors. In the present study, we examined immunohistochemical localisation of TF in esophageal squamous cell carcinomas (ESCC) from 103 patients. TF immunopositivity was found in 91.3% of all tumor sections, while normal esophageal tissues were immunonegative. Patients were divided into a low TF immunoreactivity group (9 cases of negative and 48 cases of weak positive) and a high TF immunoreactivity group (35 cases of moderate positive and 11 cases of strong positive). TF immunoreactivity was significantly correlated to the presence of distant metastasis (P = 0.0014), while it was not correlated to patient's gender, age, tumor size, depth of tumor invasion or lymph node metastasis. Survival analysis revealed that the overall survival rate in the patients that had high TF immunoreactivity was significantly poorer than those with low TF immunoreactivity (P = 0.0094). Univariate analysis demonstrated that tumor size (P = 0.0095), depth of tumor invasion (P = 0.0050), lymph node metastasis (P = 0.0045) and distant metastasis (P < 0.0001) were effective predictors of prognosis in patients. However, only distant metastasis could independently predict patients' outcomes by the analysis of multivariate proportional hazards regression (P = 0.0043). Furthermore, the intratumoral microvessel density (MVD), evaluated by CD34 immunolabeling, indicated that MVD was positively correlated to the TF immunoreactivity (P = 0.0056). It is concluded that TF immunopositivity in ESCC tissues is strongly correlated to the intratumoral angiogenesis and to poor patient prognosis. (C) 2009 Elsevier GmbH. All rights reserved.

Publiceringsår

2010

Språk

Engelska

Sidor

233-239

Publikation/Tidskrift/Serie

Acta Histochemica

Volym

112

Issue

3

Dokumenttyp

Artikel i tidskrift

Förlag

Elsevier

Ämne

  • Biochemistry and Molecular Biology

Nyckelord

  • carcinoma
  • Squamous cell
  • Esophagus
  • Prognosis
  • Tissue factor
  • Angiogenesis

Aktiv

Published

ISBN/ISSN/Övrigt

  • ISSN: 0065-1281