Calreticulin as a prognostic biomarker and correlated with immune infiltrate in kidney renal clear cell carcinoma

被引：3

作者：

Sun, Ming ^{[1
]}

Qi, Shanshan ^{[1
]}

Wu, Min ^{[1
]}

Xia, Wei ^{[1
]}

Xiong, Hao ^{[1
]}

机构：

[1] HUST, Wuhan Childrens Hosp, Tongji Med Coll, Dept Hematol & Oncol, Wuhan, Peoples R China

来源：

FRONTIERS IN GENETICS | 2022年 / 13卷

关键词：

CALR; prognostic value; immune infiltration; immunotherapy; renal clear cell carcinoma; PROLYL; 4-HYDROXYLASE; GENE-EXPRESSION; WEB SERVER; CANCER; MUTATIONS;

D O I：

10.3389/fgene.2022.909556

中图分类号：

Q3 [遗传学];

学科分类号：

071007 ; 090102 ;

摘要：

Background: Calreticulin (CALR) has been investigated in several malignant diseases and is associated with immune-cell infiltration. However, the prognostic value of CALR in kidney renal clear cell carcinoma (KIRC) is still unknown. Methods: Based on the computational analysis, data from 530 KIRC cases and 72 normal kidney samples from The Cancer Genome Atlas (TGCA-KIRC) database were analyzed in this study. The expression of CALR mRNA in pan-cancer and immune infiltrates was analyzed using the Tumor Immune Estimation Resource (TIMER) database. The CALR protein expression was obtained from the UALCAN and Human Protein Atlas (HPA) databases. Survival, functional, and statistical analyses were conducted using R software. Results: The CALR expression was higher in KIRC cases than in normal kidneys. A high CALR expression was correlated with TNM stage, pathological stage, and histological grade. Kaplan-Meier survival analysis showed that a high CALR expression was associated with poor overall survival, disease-specific survival, and progression-free interval. Gene set enrichment analysis (GSEA) indicated that CALR was enriched in IL-6 and IL-2 signaling, interferon signaling, TNF signaling, inflammatory response, apoptosis, and the p53 pathway. CALR is correlated with immune-infiltrating cells. A significant correlation was observed between CALR expression and immunomodulators. Conclusion: We identified CALR as a prognostic biomarker of KIRC. Meanwhile, the CALR expression associated with immune infiltration indicated that CALR might be a potential immunotherapy target for patients with KIRC.

引用

页数：14

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