ArticleJournal of oral pathology & medicine : official publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology2025
Sex-Related Differences in Histone Acetylation and Tumor Development in a 4-Nitroquinoline 1-Oxide and Ethanol-Induced Oral Squamous Cell Carcinoma Mouse Model.
Article in Journal of oral pathology & medicine : official publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Sexual dimorphism in cancer: molecular mechanisms and precision oncology perspectives.Biology of sex differences · 2026Review
- Dissecting the role of epigenetic regulation in oral squamous cell carcinoma microenvironment: mechanisms and therapeutics.Frontiers in immunology · 2026Review
- Sex-Related Differences in Histone Acetylation and Tumor Development in a 4-Nitroquinoline 1-Oxide and Ethanol-Induced Oral Squamous Cell Carcinoma Mouse Model.Journal of oral pathology & medicine : official publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology · 2025Article
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10 authors.
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Abstract
backgroundOral squamous cell carcinoma (OSCC) is one of the most frequent head and neck cancers. The 4-nitroquinoline 1-oxide (4NQO) mouse model of oral carcinogenesis is a well-established model to investigate the mechanism behind OSCC development, including epigenetic alterations. Studies have shown that histone acetylation is a key regulator of gene expression and may play a role in such a tumor. This study investigates the acetylation of H3K9, H3K14, and H3K27 and the KAT2A gene expression in a sex-based approach in a 4NQO/ethanol (EtOH)-induced OSCC mouse model.
methodsA total of 120 C57Bl/6J mice (60 males and 60 females) were divided into four groups (n = 15). In the first 10 weeks, they were treated with 5 mg/mL propylene glycol (PPG) or 100 μg/mL 4NQO in drinking water, followed by either sterilized water or 8% EtOH for 15 weeks. After euthanasia, tongues were analyzed histopathologically. Immunohistochemistry and qPCR were also employed to study the histones and gene expression.
resultsFemale mice showed increased H3K9ac and H3K14ac expression from normal mucosa to dysplasia, followed by decreased expression in OSCC. H3K9ac and H3K14ac expression in males was lower in the 4NQO/EtOH group. H3K27ac was higher in dysplastic lesions compared to OSCC, particularly in females. Comparatively, females had higher H3K9ac and H3K14ac expression in the 4NQO/EtOH group than males. KAT2A expression was lower in females treated with PPG/EtOH and 4NQO/H
conclusionOur results indicate that H3 acetylation and KAT2A gene expression may play a key role in oral carcinogenesis on a sex-related basis.
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