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Erschienen in: Journal of Cancer Research and Clinical Oncology 16/2023

16.08.2023 | Research

Identification of ferroptosis-related molecular subtypes and a methylation-related ferroptosis gene prognostic signature in cervical squamous cell carcinoma

verfasst von: Lijun Yu, Zhenwei Gao, Zeyu Li, Ping Liu, Ya Gao, Gang Liang

Erschienen in: Journal of Cancer Research and Clinical Oncology | Ausgabe 16/2023

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Abstract

Purpose

We aimed to investigate the molecular characteristics of cervical squamous cell carcinoma (CESC) by analyzing ferroptosis-related gene (FRG) expression data to predict prognosis.

Methods

Gene expression and clinicopathological data of patients with CESC were collected from the Cancer Genome Atlas and the Genotype-Tissue Expression databases. Using Cox regression analysis, we identified 21 FRGs associated with prognosis. Cluster analysis categorized patients into subgroups based on these genes and compared their clinicopathological, biological, and immune infiltration features. FRG methylation levels were examined, and a risk model based on such FRG methylation levels was constructed using LASSO and Cox regression analyses. The model’s predictive capacity was validated, and the relationships between the risk score and immune infiltration, tumor microenvironment, and drug sensitivity were explored. FRG methylation in CESC tissues was validated by immunohistochemistry.

Results

We identified 21 FRGs associated with CESC prognosis. Patients were stratified into two subtypes based on these genes, they showed differences in prognosis, immune cell types, and immune checkpoint expression. A three-gene risk score (including AQP3, MGST1, and TFRC) was generated, and the low-risk group showed better overall survival. The high-risk and low-risk groups differed in terms of immune infiltration, gene mutations, and drug sensitivity. Experimental validation confirmed the upregulation of AQP3 and TFRC, whereas MGST1 expression was not significantly altered in CESC tissues compared with that in normal cervical tissues.

Conclusion

This study highlights the potential role of FRG methylation in predicting CESC prognosis and provides a personalized assessment of immune responses in patients with CESC.
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Metadaten
Titel
Identification of ferroptosis-related molecular subtypes and a methylation-related ferroptosis gene prognostic signature in cervical squamous cell carcinoma
verfasst von
Lijun Yu
Zhenwei Gao
Zeyu Li
Ping Liu
Ya Gao
Gang Liang
Publikationsdatum
16.08.2023
Verlag
Springer Berlin Heidelberg
Erschienen in
Journal of Cancer Research and Clinical Oncology / Ausgabe 16/2023
Print ISSN: 0171-5216
Elektronische ISSN: 1432-1335
DOI
https://doi.org/10.1007/s00432-023-05267-z

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Menschen mit linksseitigem Kolonkarzinom leben im Mittel zweieinhalb Jahre länger als solche mit rechtsseitigem Tumor. Auch aktuell ist das Sterberisiko bei linksseitigen Tumoren US-Daten zufolge etwa um 11% geringer als bei rechtsseitigen.

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