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CD74 as a prognostic and M1 macrophage infiltration marker in a comprehensive pan-cancer analysis.

ABSTRACT: CD74 is a type-II transmembrane glycoprotein that has been linked to tumorigenesis. However, this association was based only on phenotypic studies, and, to date, no in-depth mechanistic studies have been conducted. In this study, combined with a multi-omics study, CD74 levels were significantly upregulated in most cancers relative to normal tissues and were found to be predictive of prognosis. Elevated CD74 expression was associated with reduced levels of mismatch-repair genes and homologous repair gene signatures in over 10 tumor types. Multiple fluorescence staining and bulk, spatial, single-cell transcriptional analyses indicated its potential as a marker for M1 macrophage infiltration in pan-cancer. In addition, CD74 expression was higher in BRCA patients responsive to conventional chemotherapy and was able to predict the prognosis of these patients. Potential CD74-activating drugs (HNHA and BRD-K55186349) were identified through molecular docking to CD74. The findings indicate activation of CD74 may have potential in tumor immunotherapy.

SUBMITTER: Li RQ

PROVIDER: S-EPMC10998849 | biostudies-literature | 2024 Apr

REPOSITORIES: biostudies-literature

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CD74 as a prognostic and M1 macrophage infiltration marker in a comprehensive pan-cancer analysis.

Li Ruo Qi RQ Yan Lei L Zhang Ling L Zhao Yanli Y Lian Jing J

Scientific reports 20240407 1

CD74 is a type-II transmembrane glycoprotein that has been linked to tumorigenesis. However, this association was based only on phenotypic studies, and, to date, no in-depth mechanistic studies have been conducted. In this study, combined with a multi-omics study, CD74 levels were significantly upregulated in most cancers relative to normal tissues and were found to be predictive of prognosis. Elevated CD74 expression was associated with reduced levels of mismatch-repair genes and homologous rep ...[more]

PMID: 38582956

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Project description:Hepatitis A virus cellular receptor (HAVCR1) is a type-1 integral membrane glycoprotein that plays a key role in immunity and renal regeneration and is abnormally expressed in various tumor types. Nonetheless, the function of HAVCR1 in pan-cancer remains unknown. In this study, we comprehensively analyzed the expression and promoter methylation level of HAVCR1 and assessed the immune cell infiltration, correlation between stromal and immune cell admixture, CD (Cluster of Differentiation) and HAVCR1 expression and prognostic value of HAVCR1 mRNA expression in Liver hepatocellular carcinoma (LIHC) and Pancreatic adenocarcinoma (PAAD). Our results showed that HAVCR1 was overexpressed while the promoter methylation of HAVCR1 was decreased in Liver hepatocellular carcinoma and Pancreatic adenocarcinoma. HAVCR1 was associated with increased infiltration of B cells, CD8 cells, macrophages, neutrophils and Dendritic cells in Liver hepatocellular carcinoma and Pancreatic adenocarcinoma. HAVCR1 expression was positively correlated with the immune, stromal and estimate scores of Pancreatic adenocarcinoma and the stromal and estimate scores of Liver hepatocellular carcinoma. Furthermore, HAVCR1 expression was correlated with other immune molecules such as HHLA2 (Human endogenous retrovirus-H long terminal repeat-associating protein 2), CD44 and TNFRSF4 (TNF Receptor Superfamily Member 4) in Liver hepatocellular carcinoma and Pancreatic adenocarcinoma. During Kaplan-Meier analysis, high HAVCR1 expression in Liver hepatocellular carcinoma and Pancreatic adenocarcinoma correlated with poor survival. A marginally significant p-value (p = 0.051) was obtained when the relationship between HAVCR1 expression in Liver hepatocellular carcinoma and prognosis was analyzed, attributed to the small sample size. Overall, we provided compelling evidence that HAVCR1 could be a prognostic and diagnostic marker for Liver hepatocellular carcinoma and Pancreatic adenocarcinoma.

Project description:BackgroundLung adenocarcinoma (LUAD) is the most common subtype of lung malignancy. However, the expression of cell division cycle-associated protein-3 (CDCA3) and its significance in LUAD remain unclear. In this study, we investigated the functional role of CDCA3 in LUAD through bioinformatics analysis and expected to provide a new direction for clinical treatment.MethodsThe expression of CDCA3 was analyzed by online database. The association between the expression of CDCA3 and clinical parameters with LUAD was explored in TCGA. Survival and independent prognostic analysis were performed by TCGA database and the GSE30219 and GSE31210 datasets. Furthermore, Enrichment analyses were conducted to analyze the functions of CDCA3. Afterward, the relationship between CDCA3 and immune infiltration was investigated. Additionally, a competing endogenous RNA (ceRNA) regulatory network related to CDCA3 was constructed. Finally, CDCA3 expression was validated in clinical tissues by immunohistochemistry (IHC), real-time quantitative reverse transcriptase polymerase chain reaction (qRT-PCR), and western blotting (WB).ResultsCDCA3 expression was upregulated in 20 tumors and was significantly higher in LUAD compared with normal tissues in3 datasets. In addition, CDCA3 was significantly correlated with age, gender, stage, N, and smoking status. Kaplan-Meier survival curves showed that LUAD samples with higher CDCA3 expression were associated with poorer overall survival (OS) and disease-free survival (DFS). Univariate Cox regression analysis showed that the p value of CDCA3 expression was less than 0.05 (P<0.05) and it appeared in the results of multivariate Cox regression analysis (HR ≥1), indicating that CDCA3 can be used as an independent prognostic factor for LUAD. Intriguingly, Gene Set Enrichment Analysis (GSEA) suggested that CDCA3 was correlated with DNA-related terms and metabolic-related pathways in LUAD. CDCA3 expression was correlated with four immune scores and 14 immune cells in different groups. Next, a ceRNA network was constructed with CDCA3, and the experimental results of IHC, qRT-PCR, and WB were consistent with the bioinformatic analysis.ConclusionsCDCA3 could serve as a prognostic biomarker for LUAD.

Dataset Information

CD74 as a prognostic and M1 macrophage infiltration marker in a comprehensive pan-cancer analysis.

Publications

CD74 as a prognostic and M1 macrophage infiltration marker in a comprehensive pan-cancer analysis.

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