Abstract:
:Tumor associated macrophages (TAMs) play an important role in the growth, progression, and metastasis of tumors. The distribution of TAMs in Kazakh esophageal squamous cell carcinoma (ESCC) is not determined. We aimed to investigate the role of TAMs in the occurrence and progression of Kazakh ESCC. CD163 was used as the TAM marker, and immunohistochemistry (IHC) counts were used to quantify the density of TAMs in tumor nest and surrounding stroma. IHC staining was used to evaluate the expression of vascular endothelial growth factor C (VEGF-C) in Kazakh ESCC and cancer adjacent normal (CAN) tissues. The density of TAMs in Kazakh ESCCs tumor nest and stromal was significantly higher than that in CAN tissues. The increased number of CD163-positive TAMs in tumor nest and tumor stromal was positively associated with Kazakh ESCC lymph node metastasis and clinical stage progression. Meanwhile, the expression of VEGF-C in Kazakh ESCCs was significantly higher than that in CAN tissues. Overexpression of VEGF-C in Kazakh ESCCs was significantly associated with gender, depth of tumor invasion, lymph node metastasis and tumor clinical stage. The increased number of TAMs, either in the tumor nests or tumor stroma was positively correlated with the overexpression of VEGF-C, which may promote lymphangiogenesis and play an important role in the invasion and metastasis of Kazakh ESCC.
journal_name
Exp Mol Patholjournal_title
Experimental and molecular pathologyauthors
Hu JM,Liu K,Liu JH,Jiang XL,Wang XL,Yang L,Chen YZ,Liu CX,Li SG,Cui XB,Zou H,Pang LJ,Zhao J,Qi Y,Liang WH,Yuan XL,Li Fdoi
10.1016/j.yexmp.2016.12.001subject
Has Abstractpub_date
2017-02-01 00:00:00pages
15-21issue
1eissn
0014-4800issn
1096-0945pii
S0014-4800(16)30414-2journal_volume
102pub_type
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