Prognostic and Predictive Utility of GPD1L in Human Hepatocellular Carcinoma.

Prognostic and Predictive Utility of GPD1L in Human Hepatocellular Carcinoma.
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DOI:
10.3390/ijms241713113
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发表时间:
2023-08-23
影响因子:
5.6
通讯作者:
Tarazi, Munir
Tarazi, Munir
中科院分区:
生物学2区
文献类型:
--
作者:
Leung, Philip K. H.;Das, Bibek;Cheng, Xiaoyu;Tarazi, Munir

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肝细胞癌(HCC)是全世界癌症相关死亡的主要原因。 GPD1L 是 3-磷酸甘油脱氢酶家族的成员,已成为一种潜在的肿瘤抑制基因,其高表达与多种癌症的良好预后相关。尽管观察到与 HCC 存在有趣的负相关关系,但 GPD1L 在 HCC 中的确切作用和潜在功能仍然知之甚少。在这里,我们的目的是研究 GPD1L 过表达在 HCC 中的预后意义、分子特征和预测潜力。对独立数据集的分析揭示了 HCC 患者高 GPD1L 表达与较差生存率之间的显着相关性。空间和单细胞转录组数据集证实,与邻近正常组织相比,肿瘤组织中的 GDP1L 表达升高。随着肿瘤分期的进展,GPD1L 表现出表达增加和启动子去甲基化,证实了肿瘤发生过程中的阳性选择。 GPD1L 过度表达与代谢失调以及与细胞周期控制、上皮间质转化和 E2F 靶标相关的基因集富集有关。此外,我们证明了 GPD1L 表达与三种治疗药物(PF-562271、Linsitinib 和 BMS-754807)的治疗反应之间存在负相关,突出了其作为 HCC 治疗结果的预测生物标志物的潜力。这些数据提供了关于 GPD1L 在 HCC 中的预后意义、分子特征和预测潜力的见解。
Hepatocellular carcinoma (HCC) is a major cause of cancer-related deaths worldwide. GPD1L, a member of the glycerol-3-phosphate dehydrogenase family, has emerged as a potential tumour suppressor gene, with high expression associated with a favourable prognosis in various cancers. Despite an intriguing inverse relationship observed with HCC, the precise role and underlying function of GPD1L in HCC remain poorly understood. Here, we aimed to investigate the prognostic significance, molecular characteristics, and predictive potential of GPD1L overexpression in HCC. Analysis of independent datasets revealed a significant correlation between high GPD1L expression and poor survival in HCC patients. Spatial and single cell transcriptome datasets confirmed elevated GDP1L expression in tumour tissue compared to adjacent normal tissue. GPD1L exhibited increased expression and promoter demethylation with advancing tumour stage, confirming positive selection during tumorigeneses. GPD1L overexpression was associated with metabolic dysregulation and enrichment of gene sets related to cell cycle control, epithelial-mesenchymal transition, and E2F targets. Moreover, we demonstrated an inverse correlation between GPD1L expression and therapeutic response for three therapeutic agents (PF-562271, Linsitinib, and BMS-754807), highlighting its potential as a predictive biomarker for HCC treatment outcomes. These data provide insights into the prognostic significance, molecular characteristics, and predictive potential of GPD1L in HCC.
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