Fusobacterium nucleatum and Oral Cancer Progression
Author Information
Author(s): Muñoz-Grez Camila Paz, Vidal Mabel Angélica, Rojas Tamara Beatriz, Ferrada Luciano Esteban, Zuñiga Felipe Andrés, Vera Agustin Andrés, Sanhueza Sergio Andrés, Quiroga Romina Andrea, Cabrera Camilo Daniel, Antilef Barbara Evelyn, Cartes Ricardo Andrés, Acevedo Milovan Paolo, Fraga Marco Andrés, Alarcón-Zapata Pedro Felipe, Hernández Mauricio Alejandro, Salas-Burgos Alexis Marcelo, Tapia-Belmonte Francisco, Yáñez Milly Loreto, Riquelme Erick Marcelo, González Wilfredo Alejandro, Rivera Cesar Andrés, Oñate Angel Alejandro, Lamperti Liliana Ivonne, Nova-Lamperti Estefanía
Primary Institution: Universidad de Concepción, Concepción, Chile
Hypothesis
The study investigates the role of Fusobacterium nucleatum in the progression of oral squamous cell carcinoma (OSCC) through host-pathogen interactions.
Conclusion
Fusobacterium nucleatum promotes tumor growth and migration in oral cancer by modulating host pathways and metabolic processes.
Supporting Evidence
- Fusobacterium nucleatum was found to significantly increase the size of tumorspheres in oral cancer cells.
- Host proteins related to cell migration and metabolism were upregulated in OSCC samples.
- Fusobacterium nucleatum infection led to increased expression of EMT markers in OSCC cells.
- Complement proteins were downregulated in OSCC, suggesting immune evasion.
- Fusobacterium nucleatum was the predominant bacterium identified in the OSCC secretome.
Takeaway
This study shows that a type of bacteria called Fusobacterium nucleatum can help cancer cells grow and spread in the mouth.
Methodology
The study used computational proteomics to analyze biopsies from OSCC patients and healthy controls, followed by functional assays to evaluate host-pathogen interactions.
Potential Biases
Potential bias due to the complexity of the oral microbiome and the specific focus on Fusobacterium nucleatum.
Limitations
In vivo studies are needed to confirm the findings, and the interactions of Fusobacterium nucleatum with other bacteria were not explored.
Participant Demographics
Patients with oral squamous cell carcinoma and healthy controls.
Statistical Information
P-Value
p<0.0001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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