1. Mecanismos relacionados con la disbiosis oral en la promoción del cáncer: perspectivas moleculares e inmunitarias.
- Author
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de Jesús García-Mendoza, Francisco, Polito-Salazar, Emmanuel, and Soto-Rodríguez, Guadalupe
- Subjects
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ORAL microbiology , *ORAL cancer , *PORPHYROMONAS gingivalis , *CELL communication , *CELL physiology - Abstract
Oral dysbiosis, characterized by an imbalance in the composition of the oral microbiota, has been linked to the initiation and progression of cancer. Dysbiosis induces and exacerbates chronic inflammation that promotes cell proliferation, apoptosis and tumor signaling pathways. In addition, it drives to the indirect metabolism of several substances, including sulfides, nitrosamines, and toxins, which interfere with tumor progression. It also regulates the host immune response, promoting tumor cell survival by interfering with natural killer (NK) cell function. Finally, it influences systemic inflammation and immune dysfunction, contributing to the pathogenesis of various systemic conditions. Furthermore, specific oral bacteria such as Enterococcus faecalis, Fusobacterium nucleatum, and Porphyromonas gingivalis have been related to the progression of oral cancer. These bacteria modulate cellular signaling pathways, immune responses and epithelial-mesenchymal transition in oral cancer cells. Moreover, oral squamous cell carcinoma (OSCC), the most common oral cancer, is influenced by dysbiosis through multiple mechanisms, that include the production of toxins, hormonal imbalance, immune tolerance, and chronic inflammation. Fusobacterium nucleatum, Porphyromonas gingivalis, and Prevotella intermedia have been strongly associated with the development of the OSCC. Understanding the complex interaction between oral dysbiosis and cancer provides insights into potential therapeutic targets and preventive strategies for oral cancer and related diseases. [ABSTRACT FROM AUTHOR]
- Published
- 2024