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Senthil Kumar S, Johnson MDL, Wilson JE. Insights into the enigma of oral streptococci in carcinogenesis. Microbiol Mol Biol Rev 2024:e0009523. [PMID: 38506551 DOI: 10.1128/mmbr.00095-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/21/2024] Open
Abstract
SUMMARYThe genus Streptococcus consists of a taxonomically diverse group of Gram-positive bacteria that have earned significant scientific interest due to their physiological and pathogenic characteristics. Within the genus Streptococcus, viridans group streptococci (VGS) play a significant role in the oral ecosystem, constituting approximately 80% of the oral biofilm. Their primary role as pioneering colonizers in the oral cavity with multifaceted interactions like adherence, metabolic signaling, and quorum sensing contributes significantly to the complex dynamics of the oral biofilm, thus shaping oral health and disease outcomes. Perturbations in oral streptococci composition drive oral dysbiosis and therefore impact host-pathogen interactions, resulting in oral inflammation and representing VGS as an opportunistic pathogen. The association of oral streptococci in tumors across distant organs, spanning the esophagus, stomach, pancreas, and colon, illuminates a potential association between oral streptococci, inflammation, and tumorigenesis. This finding emphasizes the need for further investigations into the role of oral streptococci in mucosal homeostasis and their involvement in carcinogenesis. Hence, here, we review the significance of oral streptococci in biofilm dynamics and how the perturbation may impact mucosal immunopathogenesis in the context of cancer, with a vision of exploiting oral streptococci for cancer intervention and for the development of non-invasive cancer diagnosis.
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Affiliation(s)
- Sangeetha Senthil Kumar
- Department of Immunobiology, The University of Arizona, Tucson, Arizona, USA
- The University of Arizona Cancer Center, Tucson, Arizona, USA
| | - Michael D L Johnson
- Department of Immunobiology, The University of Arizona, Tucson, Arizona, USA
- Valley Fever Center for Excellence, The University of Arizona College of Medicine, Tucson, Arizona, USA
- BIO5 Institute, The University of Arizona College of Medicine, Tucson, Arizona, USA
- Asthma and Airway Disease Research Center, The University of Arizona College of Medicine, Tucson, Arizona, USA
| | - Justin E Wilson
- Department of Immunobiology, The University of Arizona, Tucson, Arizona, USA
- The University of Arizona Cancer Center, Tucson, Arizona, USA
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Zoupanou S, Volpe A, Primiceri E, Gaudiuso C, Ancona A, Ferrara F, Chiriacò MS. SMILE Platform: An Innovative Microfluidic Approach for On-Chip Sample Manipulation and Analysis in Oral Cancer Diagnosis. MICROMACHINES 2021; 12:mi12080885. [PMID: 34442507 PMCID: PMC8401059 DOI: 10.3390/mi12080885] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 07/25/2021] [Accepted: 07/26/2021] [Indexed: 12/22/2022]
Abstract
Oral cancer belongs to the group of head and neck cancers, and, despite its large diffusion, it suffers from low consideration in terms of prevention and early diagnosis. The main objective of the SMILE platform is the development of a low-cost device for oral cancer early screening with features of high sensitivity, specificity, and ease of use, with the aim of reaching a large audience of possible users and realizing real prevention of the disease. To achieve this goal, we realized two microfluidic devices exploiting low-cost materials and processes. They can be used in combination or alone to obtain on-chip sample preparation and/or detection of circulating tumor cells, selected as biomarkers of oral cancer. The realized devices are completely transparent with plug-and-play features, obtained thanks to a highly customized architecture which enables users to easily use them, with potential for a common use among physicians or dentists with minimal training.
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Affiliation(s)
- Sofia Zoupanou
- Department of Mathematics & Physics E. de Giorgi, University of Salento, Via Arnesano, 73100 Lecce, Italy;
- CNR NANOTEC—Institute of Nanotechnology, Via per Monteroni, 73100 Lecce, Italy;
| | - Annalisa Volpe
- Physics Department, University of Bari “Aldo Moro”, Via Orabona 4, 70126 Bari, Italy; (A.V.); (C.G.); (A.A.)
- Institute for Photonics and Nanotechnologies (IFN), National Council of Research of Italy (CNR), 70126 Bari, Italy
| | | | - Caterina Gaudiuso
- Physics Department, University of Bari “Aldo Moro”, Via Orabona 4, 70126 Bari, Italy; (A.V.); (C.G.); (A.A.)
- Institute for Photonics and Nanotechnologies (IFN), National Council of Research of Italy (CNR), 70126 Bari, Italy
| | - Antonio Ancona
- Physics Department, University of Bari “Aldo Moro”, Via Orabona 4, 70126 Bari, Italy; (A.V.); (C.G.); (A.A.)
- Institute for Photonics and Nanotechnologies (IFN), National Council of Research of Italy (CNR), 70126 Bari, Italy
| | - Francesco Ferrara
- CNR NANOTEC—Institute of Nanotechnology, Via per Monteroni, 73100 Lecce, Italy;
- STMicroelectronics s.r.l., Via per Monteroni, 73100 Lecce, Italy
- Correspondence: (F.F.); (M.S.C.)
| | - Maria Serena Chiriacò
- CNR NANOTEC—Institute of Nanotechnology, Via per Monteroni, 73100 Lecce, Italy;
- Correspondence: (F.F.); (M.S.C.)
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Karpiński TM. Role of Oral Microbiota in Cancer Development. Microorganisms 2019; 7:microorganisms7010020. [PMID: 30642137 PMCID: PMC6352272 DOI: 10.3390/microorganisms7010020] [Citation(s) in RCA: 192] [Impact Index Per Article: 38.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Revised: 01/09/2019] [Accepted: 01/11/2019] [Indexed: 12/24/2022] Open
Abstract
Nowadays cancer is the second main cause of death in the world. The most known bacterial carcinogen is Helicobacter pylori. Pathogens that can have an impact on cancer development in the gastrointestinal tract are also found in the oral cavity. Some specific species have been identified that correlate strongly with oral cancer, such as Streptococcus sp., Peptostreptococcus sp., Prevotella sp., Fusobacterium sp., Porphyromonas gingivalis, and Capnocytophaga gingivalis. Many works have also shown that the oral periopathogens Fusobacterium nucleatum and Porphyromonas gingivalis play an important role in the development of colorectal and pancreatic cancer. Three mechanisms of action have been suggested in regard to the role of oral microbiota in the pathogenesis of cancer. The first is bacterial stimulation of chronic inflammation. Inflammatory mediators produced in this process cause or facilitate cell proliferation, mutagenesis, oncogene activation, and angiogenesis. The second mechanism attributed to bacteria that may influence the pathogenesis of cancers by affecting cell proliferation is the activation of NF-κB and inhibition of cellular apoptosis. In the third mechanism, bacteria produce some substances that act in a carcinogenic manner. This review presents potentially oncogenic oral bacteria and possible mechanisms of their action on the carcinogenesis of human cells.
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Affiliation(s)
- Tomasz M Karpiński
- Department of Medical Microbiology, Poznań University of Medical Sciences, Wieniawskiego 3, 61-712 Poznań, Poland.
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Miyaguchi J, Shiga K, Ogawa K, Suzuki F, Katagiri K, Saito D, Ikeda A, Horii A, Watanabe M, Igimi S. Treatment with Lactobacillus Retards the Tumor Growth of Head and Neck Squamous Cell Carcinoma Cells Inoculated in Mice. TOHOKU J EXP MED 2018; 245:269-275. [PMID: 30158369 DOI: 10.1620/tjem.245.269] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Bacteria have been used for more than a century to treat solid tumors. Because solid tumors generate an anaerobic environment, we evaluated the anti-tumor effect of the obligate anaerobe strain KK378, derived from Lactobacillus casei (L. casei), using mice bearing head and neck cancer. Wild-type L. casei is a nonpathogenic bacterium that is commonly used in foods. Moreover, patients with head and neck squamous cell carcinoma often have multiple cancers and cervical lymph node metastasis that can be directly sensed beneath the skin. To establish the animal model bearing head and neck cancer, we inoculated each of human squamous cell carcinoma cell lines, SAS, HSQ89, and HSC2, on the back skin of BALB/cSlc-nu/nu mice. After tumor formation, L. casei KK378 was administered directly into the tumor, and tumor size and serum cytokine levels were analyzed. Mice injected with 108 cfu of L. casei KK378 showed reduction in tumor growth compared with PBS control; especially, the SAS tumor was significantly reduced (p = 0.008). Administered L. casei KK378 was detected in tumor tissues but not in normal tissues (liver, kidney, and lung) of SAS tumor-bearing mice, which was associated with increased blood cytokines (TNF-α, IFN-γ, IL-5, IL-10, and IL-12). Among these cytokines, the serum levels of IFN-γ and TNF-α were significantly increased (p < 0.05). In conclusion, L. casei KK378 infection may suppress tumor growth by inducing the host immune response. Direct injection of Lactobacillus into the tumor could be a potential strategy to treat head and neck squamous cell carcinoma.
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Affiliation(s)
- Jun Miyaguchi
- Department of Head and Neck Surgery, Iwate Medical University
| | - Kiyoto Shiga
- Department of Head and Neck Surgery, Iwate Medical University
| | - Kazumi Ogawa
- Department of Molecular Pathology, Tohoku University Graduate School of Medicine
| | - Fumiko Suzuki
- Department of Otolaryngology-Head and Neck Surgery, Tohoku University Graduate School of Medicine
| | | | - Daisuke Saito
- Department of Head and Neck Surgery, Iwate Medical University
| | - Aya Ikeda
- Department of Head and Neck Surgery, Iwate Medical University
| | - Akira Horii
- Department of Molecular Pathology, Tohoku University Graduate School of Medicine
| | | | - Shizunobu Igimi
- Department of Agricultural Chemistry, Tokyo University of Agriculture
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Sasaki M, Kodama Y, Shimoyama Y, Ishikawa T, Kimura S. Aciduricity and acid tolerance mechanisms of Streptococcus anginosus. J GEN APPL MICROBIOL 2018; 64:174-179. [PMID: 29669961 DOI: 10.2323/jgam.2017.11.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Although Streptococcus anginosus constitutes a proportion of the normal flora of the gastrointestinal and genital tracts, and the oral cavity, it has been reported that S. anginosus infection could be closely associated with abscesses at various body sites, infective endocarditis, and upper gastrointestinal cancers. The colonization in an acidic environment due to the aciduricity of S. anginosus could be the etiology of the systemic infection of the bacteria. To elucidate the aciduricity and acid tolerance mechanisms of the microbe, we examined the viability and growth of S. anginosus under acidic conditions. The viabilities of S. anginosus NCTC 10713 and Streptococcus mutans ATCC 25175 at pH 4.0 showed as being markedly higher than those of Streptococcus sanguinis ATCC 10556, Streptococcus gordonii ATCC 10558, and Streptococcus mitis ATCC 49456; however, the viability was partially inhibited by dicyclohexylcarbodiimide, an H+-ATPase inhibitor, suggesting that H+-ATPase could play a role in the viability of S. anginosus under acidic conditions. In addition, S. anginosus NCTC 10713 could grow at pH 5.0 and showed a marked arginine deiminase (ADI) activity, unlike its ΔarcA mutant, deficient in the gene encoding ADI, and other streptococcal species, which indicated that ADI could also be associated with aciduricity. These results suggest that S. anginosus has significant aciduric properties, which can be attributed to these enzyme activities.
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Affiliation(s)
- Minoru Sasaki
- Division of Molecular Microbiology, Department of Microbiology, Iwate Medical University School of Dentistry
| | - Yoshitoyo Kodama
- Division of Molecular Microbiology, Department of Microbiology, Iwate Medical University School of Dentistry
| | - Yu Shimoyama
- Division of Molecular Microbiology, Department of Microbiology, Iwate Medical University School of Dentistry
| | - Taichi Ishikawa
- Division of Molecular Microbiology, Department of Microbiology, Iwate Medical University School of Dentistry
| | - Shigenobu Kimura
- Division of Molecular Microbiology, Department of Microbiology, Iwate Medical University School of Dentistry
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