HAS2 facilitates glioma cell malignancy and suppresses ferroptosis in an FZD7‐dependent manner

Author:

Liu Zhiyuan1ORCID,Yu Kuo1,Chen Kaile1,Liu Jinlai12,Dai Kexiang3,Zhao Peng1ORCID

Affiliation:

1. Department of Neurosurgery The First Affiliated Hospital of Nanjing Medical University Nanjing China

2. Department of Neurosurgery, Yang Zhong Jiangsu Province People's Hospital Yangzhou China

3. Department of Neurosugery Emergency General Hospital Beijing China

Abstract

AbstractGlioma is the most common malignant tumor in the central nervous system, and it is crucial to uncover the factors that influence prognosis. In this study, we utilized Mfuzz to identify a gene set that showed a negative correlation with overall survival in patients with glioma. Gene Ontology (GO) enrichment analyses were then undertaken to gain insights into the functional characteristics and pathways associated with these genes. The expression distribution of Hyaluronan Synthase 2 (HAS2) was explored across multiple datasets, revealing its expression patterns. In vitro and in vivo experiments were carried out through gene knockdown and overexpression to validate the functionality of HAS2. Potential upstream transcription factors of HAS2 were predicted using transcriptional regulatory databases, and these predictions were experimentally validated using ChIP‐PCR and dual‐luciferase reporter gene assays. The results showed that elevated expression of HAS2 in glioma indicates poor prognosis. HAS2 was found to play a role in activating an antiferroptosis pathway in glioma cells. Inhibiting HAS2 significantly increased cellular sensitivity to ferroptosis‐inducing agents. Finally, we determined that the oncogenic effect of HAS2 is mediated by the key receptor of the WNT pathway, FZD7.

Publisher

Wiley

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