ArticleInternational dental journal2024
Growth Suppression of Oral Squamous Cell Carcinoma Cells by Lactobacillus Acidophilus.
Article in International dental journal, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- The oral microbiota in oral squamous cell carcinoma: unravelling mechanisms and clinical potential.Cancer cell international · 2026Review
- A New Perspective on the Role ofBiomolecules · 2026Review
- Early modulatory effects of Porphyromonas gingivalis and Lactobacillus salivarius on oncogenic processes in dysplastic oral keratinocytes.Molecular biology reports · 2026Article
- Probiotic Lactobacillus casei Inhibits Oral Squamous Cell Carcinoma Growth and Induces Apoptosis In Vitro.International dental journal · 2026Article
- Understanding the potential of probiotics in oral cancer prevention: a short review on microbial modulation.Discover oncology · 2025Review
- The role of probiotics in controlling oral biofilm formation and mitigating oral squamous-cell carcinoma risk.Archives of microbiology · 2025Review
- Role of Human Microbiome in Development and Management of Head and Neck Squamous Cell Carcinoma.Cancers · 2025Review
- Intratumoral microbial abundance and load influence the immune microenvironment of oral squamous cell carcinoma.Frontiers in oncology · 2025Article
- Microbiological mechanisms of oral mucosal disease: oral-intestinal crosstalk and probiotic therapy.Frontiers in oral health · 2025Review
- Green Synthesis of Zinc Oxide Nanoparticles as a Promising Nanomedicine Approach for Anticancer, Antibacterial, and Anti-Inflammatory Therapies.International journal of nanomedicine · 2025Article
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Authors and funding
3 authors.
Funding
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Abstract
objectivesOral squamous cell carcinoma (OSCC) is a highly aggressive form of oral cancer. Probiotic lactobacilli have demonstrated anticancer effects, whilst their interaction with Streptococcus mutans in this context remains unexplored. The objective of this study was to investigate the antiproliferative effect of Lactobacillus acidophilus on OSCC and to understand the effect of S mutans on OSCCs and whether it affects the antiproliferative potential of L acidophilus when co-exposed to OSCC.
methodsThe human head and neck squamous cell carcinoma cells of the oral cavity (HNO97 cell line) were exposed to cultures of L acidophilus and S mutans separately and in combination. Further, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay was performed to assess the viability of HNO97 cells. Bacterial adhesion to HNO97 cells was examined by confocal microscopy and apoptosis by Nexin staining. To understand the underlying mechanism of apoptosis, expression of the tumour necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) gene and protein were determined by real-time polymerase chain reaction and quantitative enzyme-linked immunosorbent assay, respectively.
resultsA significant decrease (53%-56%) in the viability of HNO97 cells on exposure to L acidophilus, S mutans, and the 2 species together demonstrated the antiproliferative activity of L acidophilus and S mutans. Both bacteria showed adhesion to HNO97 cells. The expression of the TRAIL gene increased 5-fold in HNO97 cells on treatment with L acidophilus and S mutans, which further increased to ∼17-fold with both species present. Expression levels of the TRAIL protein were significantly (P < .05) increased in bacteria-treated cell lysates. Further, bacteria-treated HNO97 cells exhibited lower live and intact cell percentages with higher proportions of cells in early and late apoptotic stages.
conclusionsL acidophilus exhibits the antiproliferative activity against OSCC cells possibly partially via a TRAIL-induced mechanism of apoptosis, which is not affected by the presence of S mutans. These findings may encourage further investigation into the possible therapeutic application of probiotic L acidophilus in OSCC.
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