期刊
ANTICANCER RESEARCH
卷 39, 期 12, 页码 6645-6652出版社
INT INST ANTICANCER RESEARCH
DOI: 10.21873/anticanres.13879
关键词
CXCR2 ligands; CXCL1; CXCL7; gastric cancer; tumor microenvironment
类别
资金
- KAKENHI [18H02883]
- Grants-in-Aid for Scientific Research [18H02883] Funding Source: KAKEN
Background/Aim: We have previously reported that chemokine (C-X-C motif) receptor 2 (CXCR2) signaling was associated with the malignant progression of gastric cancer (GC). We thus examined the clinicopathological significance of CXCR2 ligands, CXCL1, CXCL2, CXCL3, CXCL5, CXCL6, CXCL7, and CXCL8, in GC. Patients and Methods: The expression of CXCR2 ligands in 590 GC cases was investigated by immunohistochemistry. Results: The expression was as follows: CXCL1, 46.2% (257/557); CXCL2, 20.7% (122/ 590); CXCL3, 17.1% (101/589); CXCL5/ CXCL6, 2.9% (17/589); CXCL7, 36.4% (215/590); and CXCL8 1.7% (10/585) of the cases. High invasion depth was correlated with CXCL1 expression. Lymph node metastasis and peritoneal cytology positivity were correlated with high expression of CXCL1 and CXCL7. The prognoses of the CXCL1-positive patients were significantly poorer than those of the CXCL1-negative patients (p<0.001). Conclusion: Among the CXCR2 ligands, CXCL7 and especially CXCL1, might play an important role in the malignant progression of GC via CXCR2 signaling.
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