The prognostic and immune significance of SNHG3 in clear cell renal cell carcinoma.

IF 1.5 4区 医学 Q4 ONCOLOGY
Translational cancer research Pub Date : 2025-02-28 Epub Date: 2025-02-26 DOI:10.21037/tcr-24-1509
Cheng Li, Pengnan Hu, Chenglong Fan, Hua Mi
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引用次数: 0

Abstract

Background: Long non-coding RNA (lncRNA) small nucleolar RNA host gene 3 (SNHG3) has been reported to be involved in the pathological process of a variety of tumors, including clear cell renal cell carcinoma (ccRCC). However, whether SNHG3 can be used as a prognostic biomarker and its correlation with immune infiltration in ccRCC remain unclear, warranting further research. This study aims to explore the relationship between SNHG3 and immune infiltration in ccRCC and confirm the potential of SNHG3 to predict survival of ccRCC patients.

Methods: The Cancer Genome Atlas (TCGA) database was used to assess the expression of SNHG3 in ccRCC, evaluate clinicopathological characteristics, assess prognosis, and conduct functional enrichment analysis. The ccRCC microenvironment and immune infiltration were investigated using the Estimation of STromal and Immune cells in MAlignant Tumor tissues using Expression data (ESTIMATE) and Cell-type Identification By Estimating Relative Subsets Of RNA Transcripts (CIBERSORT) algorithms, respectively. We additionally investigated the relationships between SNHG3 and immunological checkpoints. Drug sensitivity of SNHG3 was investigated in R. The expression of SNHG3 was verified in the Gene Expression Omnibus (GEO) database, ccRCC cell lines, and tissues. Wound healing and Methylthiazolyldiphenyl-tetrazolium bromide (MTT) assays were used to evaluate tumor cell migration and proliferation. Fluorescence in situ hybridization (FISH) assay was conducted to localize SNHG3 in ccRCC cells.

Results: SNHG3 expression was significantly upregulated in ccRCC cells and tissues and associated with several clinicopathological features and poor prognosis of ccRCC patients. SNHG3 was correlated with immune cells infiltration in ccRCC and exhibited sensitivity to various targeted and chemotherapy drugs. Knockdown of SNHG3 significantly reduced the proliferation and migration of ccRCC. FISH results showed that SNHG3 was located in the cell nucleus.

Conclusions: Overall, this study demonstrates that SNHG3 is a prognostic biomarker correlated with immune infiltration in ccRCC.

SNHG3在透明细胞肾细胞癌中的预后及免疫意义。
背景:长链非编码RNA (lncRNA)小核仁RNA宿主基因3 (SNHG3)被报道参与多种肿瘤的病理过程,包括透明细胞肾细胞癌(ccRCC)。然而,SNHG3是否可以作为ccRCC的预后生物标志物及其与免疫浸润的相关性尚不清楚,需要进一步研究。本研究旨在探讨SNHG3与ccRCC中免疫浸润的关系,确认SNHG3在预测ccRCC患者生存中的潜力。方法:采用肿瘤基因组图谱(Cancer Genome Atlas, TCGA)数据库评估SNHG3在ccRCC中的表达,评估临床病理特征,评估预后,并进行功能富集分析。利用表达数据(ESTIMATE)估计恶性肿瘤组织中基质细胞和免疫细胞,以及通过估计RNA转录物相对子集(CIBERSORT)算法鉴定细胞类型,分别研究ccRCC微环境和免疫浸润。我们进一步研究了SNHG3与免疫检查点之间的关系。在r中研究了SNHG3的药物敏感性,并在Gene expression Omnibus (GEO)数据库、ccRCC细胞系和组织中验证了SNHG3的表达。伤口愈合和甲基噻唑基二苯基溴化四唑(MTT)检测评估肿瘤细胞的迁移和增殖。采用荧光原位杂交(FISH)方法定位SNHG3在ccRCC细胞中的位置。结果:SNHG3在ccRCC细胞和组织中表达显著上调,并与ccRCC患者的多项临床病理特征及不良预后相关。SNHG3与ccRCC免疫细胞浸润相关,对多种靶向和化疗药物敏感。敲低SNHG3可显著降低ccRCC的增殖和迁移。FISH结果显示,SNHG3位于细胞核内。结论:总体而言,本研究表明SNHG3是ccRCC中与免疫浸润相关的预后生物标志物。
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来源期刊
CiteScore
2.10
自引率
0.00%
发文量
252
期刊介绍: Translational Cancer Research (Transl Cancer Res TCR; Print ISSN: 2218-676X; Online ISSN 2219-6803; http://tcr.amegroups.com/) is an Open Access, peer-reviewed journal, indexed in Science Citation Index Expanded (SCIE). TCR publishes laboratory studies of novel therapeutic interventions as well as clinical trials which evaluate new treatment paradigms for cancer; results of novel research investigations which bridge the laboratory and clinical settings including risk assessment, cellular and molecular characterization, prevention, detection, diagnosis and treatment of human cancers with the overall goal of improving the clinical care of cancer patients. The focus of TCR is original, peer-reviewed, science-based research that successfully advances clinical medicine toward the goal of improving patients'' quality of life. The editors and an international advisory group of scientists and clinician-scientists as well as other experts will hold TCR articles to the high-quality standards. We accept Original Articles as well as Review Articles, Editorials and Brief Articles.
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