Sheng Qiu, Hongdong Han, Hongmin Zhang, Mengliu Yang, Hao Wang, Ke Li, Ling Li, Gangyi Yang
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引用次数: 0
Abstract
Background: The collagen β (1-O) glycosyltransferase 25 domain 1 (GLT25D1), a crucial collagen-modifying enzyme (CME), plays a pivotal role in multiple pathophysiological processes. However, its prognostic and biological roles in hepatocellular carcinoma (HCC) have not been reported.
Methods: CME-related genes (CMEGs) were obtained from the Molecular Signatures Database (MSigDB), differentially expressed CMEGs (DECMEGs) and prognostic ones were identified. GLT25D1 expression was determined at the mRNA and protein levels in multiple datasets and in our HCC cohort. Its prognostic performance was evaluated and the immune microenvironment was investigated. The effects of GLT25D1 on tumorigenesis were further explored via in vitro and in vivo experiments.
Results: Four potential prognosis-associated DECMEGs, including GLT25D1, were identified. GLT25D1 was noticeably up-regulated in HCC tissues and significantly associated with advanced tumor grade and stage. Enrichment analysis revealed that GLT25D1 could participate in regulating immune responses and various carcinogenic processes. HCC patients with high GLT25D1 expression had decreased CD8+ T cells and increased M0 macrophages, leading to an immunosuppressive microenvironment. Our in vivo and in vitro experiments confirmed the increased GLT25D1 expression, and GLT25D1 knockdown impaired the HCC malignant phenotypes.
Conclusions: Our results showed that GLT25D1 could be a carcinogenic indicator reflecting poor prognosis and might serve as a potential risk biomarker for HCC patients.
期刊介绍：
Cancer Cell International publishes articles on all aspects of cancer cell biology, originating largely from, but not limited to, work using cell culture techniques.
The journal focuses on novel cancer studies reporting data from biological experiments performed on cells grown in vitro, in two- or three-dimensional systems, and/or in vivo (animal experiments). These types of experiments have provided crucial data in many fields, from cell proliferation and transformation, to epithelial-mesenchymal interaction, to apoptosis, and host immune response to tumors.
Cancer Cell International also considers articles that focus on novel technologies or novel pathways in molecular analysis and on epidemiological studies that may affect patient care, as well as articles reporting translational cancer research studies where in vitro discoveries are bridged to the clinic. As such, the journal is interested in laboratory and animal studies reporting on novel biomarkers of tumor progression and response to therapy and on their applicability to human cancers.
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