XIE RUILING, DONG BOSHENG, CHENG YUAN, et al. Infiltrations of CD68- and CD163-positive macrophages in esophageal cancer tissue and their impacts on prognosis. [J]. Journal of army medical university, 2011, 33(5): 523-526.
XIE RUILING, DONG BOSHENG, CHENG YUAN, et al. Infiltrations of CD68- and CD163-positive macrophages in esophageal cancer tissue and their impacts on prognosis. [J]. Journal of army medical university, 2011, 33(5): 523-526.DOI:
Objective To investigate the infiltrations of CD68- and CD163-positive macrophages in esophageal cancer tissue and their impacts on prognosis. Methods One hundred and seventeen esophageal cancer specimens were resected from January 1
2004 to May 30
2005 in our hospital and
Henan Tumor Hospital. The infiltration densities of CD68- and CD163-positive macrophages in each esophageal cancer specimen were measured by immunohistochemical staining
and the specimens were divided into high-density and low-density groups for CD68-positive macrophages and CD163-positive macrophages. Homogeneity of variance test and student’s
t
-test
Spearman’s test
Kaplan-Meier survival analysis
and Cox regression analysis were used to compare the infiltration densities of CD68- and CD163-positive macrophages in esophageal cancer tissue with those in adjacent normal tissue and evaluate the impacts of infiltration densities of CD68- and CD163-positive macrophages on prognosis of esophageal cancer. Results The infiltration densities of CD68- and CD163-positive macrophages were significantly higher in esophageal cancer tissue than in adjacent normal tissue (
t
=21.379
P
<
0.01;
t
=21.712
P
<
0.01). The infiltration densities of CD68- and CD163-positive macrophages were negatively correlated with the survival times of patients (
r
=-0.281
P
<
0.01;
r
=-0.344
P
<
0.01). The 5-year survival rate was lower in high-density groups than in low-density groups for both CD68-positive macrophages and CD163-positive macrophages (30.5%
vs
56.9%
P
<
0.05; 27.1%
vs
60.3%
P
<
0.05). The infiltration density of CD68-positive macrophages was not an independent prognostic factor (
P
>0.05)
but that of CD163-positive macrophages was (
P
<
0.05)
according to Cox regression analysis. Conclusion CD68- and CD163-positive macrophages show relatively high infiltration densities in esophageal cancer tissue. The infiltration density of CD163-positive macrophages is negatively correlated with the prognosis of esophageal cancer.