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  • Open Access

    ARTICLE

    OTUD7B Stabilization by METTL14-Mediated m6A Methylation Drives HIF-1α Expression in Esophageal Squamous Cell Carcinoma

    Fei Ren1,#, Yansen Cai2,#, Yang Song1,*

    Oncology Research, Vol.33, No.8, pp. 2055-2074, 2025, DOI:10.32604/or.2025.061301 - 18 July 2025

    Abstract Objectives: Epigenetic changes, particularly N6-methyladenosine (m6A) modifications, play a pivotal role in cancer development. This study explored the role of ovarian tumor deubiquitinase 7B (OTUD7B) in esophageal squamous cell carcinoma (ESCC) in the context of m6A methylation and the hypoxia-inducible factor-1α (HIF-1α) pathway. Methods: The GSE179267 dataset was used to conduct differential gene expression analysis to identify key m6A-enriched genes. The Cancer Genome Atlas (TCGA), Cancer Cell Line Encyclopedia (CCLE), and Sequence-based RNA Adenosine Methylation Site Predictor (SRAMP) databases were used to evaluate the expression of OTUD7B in ESCC and its correlation with methyltransferase-like 14… More >

  • Open Access

    ARTICLE

    LncRNA CACNA1G-AS1 up-regulates FTH1 to inhibit ferroptosis and promote malignant phenotypes in ovarian cancer cells

    YANPING JIN1, JIANPING QIU1, XIUFANG LU1, YAN MA1, GUOWEI LI2,*

    Oncology Research, Vol.31, No.2, pp. 169-179, 2023, DOI:10.32604/or.2023.027815 - 10 April 2023

    Abstract Previous study revealed that ferritin heavy chain-1 (FTH1) could regulate ferritinophagy and affect intracellular Fe2+ content in various tumors, while its N6-methyladenosine (m6A) RNA methylation was closely related the prognosis of ovarian cancer patients. However, little is known about the role of FTH1 m6A methylation in ovarian cancer (OC) and its possible action mechanisms. In this study we constructed FTH1 m6A methylation regulatory pathway (LncRNA CACNA1G-AS1/IGF2BP1) according to related bioinformatics analysis and research, through clinical sample detections we found that these pathway regulatory factors were significantly up-regulated in ovarian cancer tissues, and their expression levels were More >

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