RT Journal Article
SR Electronic
T1 Effect of thrombin receptor expression on microvessel endothelial cells, and survival by coagulation state in oesophageal squamous cell carcinoma
JF Journal of Clinical Pathology
JO J Clin Pathol
FD BMJ Publishing Group Ltd and Association of Clinical Pathologists
SP 740
OP 745
DO 10.1136/jclinpath-2011-200568
VO 65
IS 8
A1 Ying Shao
A1 Qin-Qin Xu
A1 Chun Li
A1 Ming-Yao Wu
A1 Xiao-Yan Huang
YR 2012
UL http://jcp.bmj.com/content/65/8/740.abstract
AB Purpose The authors aimed to evaluate the prognostic value of thrombin receptor (TR) expression in microvessel endothelial cells (VECs) by coagulation state in oesophageal squamous cell carcinoma (ESCC). Methods In 138 ESCC normal and para-tumour samples, we investigated the association of the expression of TR and CD34 (microvessel marker) seen on immunohistochemical staining and clinicopathological parameters, coagulation state, microvessel density (MVD), and survival of patients. Result In total, 62 ESCC tissues were positive for TR in VECs, and in 48 cases, the activated partial thromboplastin time (APTT) was <28.5 s, with significant difference in tumour depth between TR-positive and -negative cases with APTT<28.5 s. Also with APTT<28.5 s, TR-positive MVD (TRMVD) was significantly greater with high than low CD34-positive MVD (CD34MVD; 7.96±4.27 vs 5.64±2.99; p=0.032). High CD34MVD was associated with increased TR expression in patients with APTT<28.5 than ≥28.5 s. In patients with high CD34MVD, the number of TR-positive microvessels was greater with APTT<28.5 than ≥28.5 s (n=17 vs n=6; p=0.002), and APTT and TR expressions were negatively correlated for patients with APTT<28.5 s (r2 =−0.472, p=0.023). For patients with APTT<28.5 s, the cumulative survival rate was poorer with high than low TRMVD (p=0.027). On multivariate analysis, tumour size (p=0.006), tumour stage (p=0.004) and TRMVD (p=0.024) were independently associated with survival for patients with APTT<28.5 s. TRMVD had the second highest HR. Conclusion TR positivity in VECs may be an adverse prognostic factor for patients with ESCC and increased coagulation state. TR expression in VECs might be related to angiogenesis in ESCC.