Expression of CEACAM1 and CD105 in Renal Cell Carcinoma and Its Correlation with Microvessel Density

Kang, Zhao-Peng; Wang, Lixin; Liu, Jun; Ouyang, Hai; Xie, Sheng; Tan, Yan

doi:10.1615/critreveukaryotgeneexpr.2020037168

Cited by 2 publications

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“…Our study revealed that CEACAM1 downregulation was associated with tumorigenesis and progression of ccRCC. We found that the gene expression level of CEACAM1 in ccRCC samples was significantly lower than that in nontumor normal tissues, which was consistent with previous studies [ 28 ]. Therefore, CEACAM1 may act as a tumor suppressor for ccRCC, and its reduced expression in tumor tissues contributes to tumor progression.…”

Section: Discussionsupporting

confidence: 92%

CEACAM1 Is a Prognostic Biomarker and Correlated with Immune Cell Infiltration in Clear Cell Renal Cell Carcinoma

et al. 2023

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Background. CEACAM1 has been shown to be aberrantly expressed in a variety of tumors, and modulation of CEACAM1-related signaling pathways has been suggested as a novel approach for cancer immunotherapy in recent years. However, its role in clear cell renal cell carcinoma (ccRCC) is unclear. Methods. The relationship between CEACAM1 and ccRCC was demonstrated based on data from TCGA, GEO, and HPA databases. And the relationship between clinicopathological features and CEACAM1 expression was also assessed. Survival curve analysis was performed to analyze the prognostic relationship between CEACAM1 expression and ccRCC. Protein interaction network analysis was used to analyze the relationship between CEACAM1 and microenvironment-related proteins. In addition, the immunomodulatory role of CEACAM1 in ccRCC was assessed by analyzing CEACAM1 and immune cell infiltration. Results. The expression of CEACAM1 was lower in ccRCC tissues than in adjacent normal tissues, and its expression level was negatively correlated with tumor size status ( P < 0.001 ), metastasis status ( P = 0.009 ), pathological stage ( P = 0.002 ), gender ( P < 0.001 ), histological grade ( P < 0.001 ), and primary therapy outcome ( P = 0.045 ) of ccRCC. Survival curve analysis showed that ccRCC patients with lower CEACAM1 expression exhibited shorter overall survival ( P < 0.001 ), and CEACAM1 interacted with microenvironmental molecules such as fibronectin and integrins. Furthermore, immune infiltration analysis showed that CEACAM1 expression correlated with CD8+ and CD4+ T cells, macrophage, neutrophil, and dendritic cell infiltration in ccRCC. Conclusions. CEACAM1 expression correlates with progression, prognosis, and immune cell infiltration in ccRCC patients, and it may be a promising prognostic biomarker and therapeutic target for ccRCC.

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Section: Discussionsupporting

confidence: 92%