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Review
. 2022 Nov 4;14(21):5441.
doi: 10.3390/cancers14215441.

Salivary Microbiota Composition in Patients with Oral Squamous Cell Carcinoma: A Systematic Review

Rodolfo Mauceri  1 , Martina Coppini  1 , Davide Vacca  2 , Giorgio Bertolazzi  2   3 , Vera Panzarella  1 , Olga Di Fede  1 , Claudio Tripodo  2 , Giuseppina Campisi  1
Affiliations
Review

Salivary Microbiota Composition in Patients with Oral Squamous Cell Carcinoma: A Systematic Review

Rodolfo Mauceri et al. Cancers (Basel). .

Abstract

Background: Oral squamous cell carcinoma (OSCC) is one of the most prevalent cancers worldwide. Despite recent advances in diagnosis and treatment, in recent years, an increase in the incidence of OSCC has been registered, and the mortality rate is still high. This systematic review aims to identify a potential association between the composition of salivary microbiota and OSCC.

Materials and methods: The protocol for this study was designed following the PRISMA guidelines. Records were identified using different search engines (e.g., Medline/PubMed). Observational studies, in human subjects with histological diagnosis of OSCC, concerning the analysis of salivary microbiota, were selected.

Results: Eleven papers were included. The salivary microbiomes of 1335 patients were analysed (n.687 OSCC and n.648 controls). Due to the great heterogeneity of the studies, it was not possible to profile a specific microbiota associated with OSCC. However, periodontal pathogens were the most common bacteria detected in patients with OSCC (i.e., Fusobacterium, Prevotella).

Conclusions: Although there are evident alterations in the salivary microbiota composition in OSCC patients, it is still a challenge to identify a specific microbiota pattern in OSCC patients. If the associations between specific salivary microorganisms and OSCC are confirmed, microbiome analysis could be a useful tool for the screening and follow-up of patients affected by OSCC.

Keywords: Fusobacterium; NGS; OSCC; Porphyromonas; dysbiosis; microbiota; next-generation sequencing; periodontitis; squamous cell carcinoma of head and neck.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
PRISMA 2020 flow chart.
See this image and copyright information in PMC

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