Integrative analysis reveals associations between oral microbiota dysbiosis and host genetic and epigenetic aberrations in oral cavity squamous cell carcinoma
© 2024. The Author(s)..
Dysbiosis of the human oral microbiota has been reported to be associated with oral cavity squamous cell carcinoma (OSCC) while the host-microbiota interactions with respect to the potential impact of pathogenic bacteria on host genomic and epigenomic abnormalities remain poorly studied. In this study, the mucosal bacterial community, host genome-wide transcriptome and DNA CpG methylation were simultaneously profiled in tumors and their adjacent normal tissues of OSCC patients. Significant enrichment in the relative abundance of seven bacteria species (Fusobacterium nucleatum, Treponema medium, Peptostreptococcus stomatis, Gemella morbillorum, Catonella morbi, Peptoanaerobacter yurli and Peptococcus simiae) were observed in OSCC tumor microenvironment. These tumor-enriched bacteria formed 254 positive correlations with 206 up-regulated host genes, mainly involving signaling pathways related to cell adhesion, migration and proliferation. Integrative analysis of bacteria-transcriptome and bacteria-methylation correlations identified at least 20 dysregulated host genes with inverted CpG methylation in their promoter regions associated with enrichment of bacterial pathogens, implying a potential of pathogenic bacteria to regulate gene expression, in part, through epigenetic alterations. An in vitro model further confirmed that Fusobacterium nucleatum might contribute to cellular invasion via crosstalk with E-cadherin/β-catenin signaling, TNFα/NF-κB pathway and extracellular matrix remodeling by up-regulating SNAI2 gene, a key transcription factor of epithelial-mesenchymal transition (EMT). Our work using multi-omics approaches explored complex host-microbiota interactions and provided important insights into genetic and functional basis in OSCC tumorigenesis, which may serve as a precursor for hypothesis-driven study to better understand the causational relationship of pathogenic bacteria in this deadly cancer.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:10 |
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| Enthalten in: |
NPJ biofilms and microbiomes - 10(2024), 1 vom: 08. Apr., Seite 39 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Cai, Liuyang [VerfasserIn] |
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| Anmerkungen: |
Date Completed 10.04.2024 Date Revised 11.04.2024 published: Electronic Citation Status MEDLINE |
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| doi: |
10.1038/s41522-024-00511-x |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM370788508 |
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| 245 | 1 | 0 | |a Integrative analysis reveals associations between oral microbiota dysbiosis and host genetic and epigenetic aberrations in oral cavity squamous cell carcinoma |
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| 520 | |a © 2024. The Author(s). | ||
| 520 | |a Dysbiosis of the human oral microbiota has been reported to be associated with oral cavity squamous cell carcinoma (OSCC) while the host-microbiota interactions with respect to the potential impact of pathogenic bacteria on host genomic and epigenomic abnormalities remain poorly studied. In this study, the mucosal bacterial community, host genome-wide transcriptome and DNA CpG methylation were simultaneously profiled in tumors and their adjacent normal tissues of OSCC patients. Significant enrichment in the relative abundance of seven bacteria species (Fusobacterium nucleatum, Treponema medium, Peptostreptococcus stomatis, Gemella morbillorum, Catonella morbi, Peptoanaerobacter yurli and Peptococcus simiae) were observed in OSCC tumor microenvironment. These tumor-enriched bacteria formed 254 positive correlations with 206 up-regulated host genes, mainly involving signaling pathways related to cell adhesion, migration and proliferation. Integrative analysis of bacteria-transcriptome and bacteria-methylation correlations identified at least 20 dysregulated host genes with inverted CpG methylation in their promoter regions associated with enrichment of bacterial pathogens, implying a potential of pathogenic bacteria to regulate gene expression, in part, through epigenetic alterations. An in vitro model further confirmed that Fusobacterium nucleatum might contribute to cellular invasion via crosstalk with E-cadherin/β-catenin signaling, TNFα/NF-κB pathway and extracellular matrix remodeling by up-regulating SNAI2 gene, a key transcription factor of epithelial-mesenchymal transition (EMT). Our work using multi-omics approaches explored complex host-microbiota interactions and provided important insights into genetic and functional basis in OSCC tumorigenesis, which may serve as a precursor for hypothesis-driven study to better understand the causational relationship of pathogenic bacteria in this deadly cancer | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Zhu, Hengyan |e verfasserin |4 aut | |
| 700 | 1 | |a Mou, Qianqian |e verfasserin |4 aut | |
| 700 | 1 | |a Wong, Po Yee |e verfasserin |4 aut | |
| 700 | 1 | |a Lan, Linlin |e verfasserin |4 aut | |
| 700 | 1 | |a Ng, Cherrie W K |e verfasserin |4 aut | |
| 700 | 1 | |a Lei, Pu |e verfasserin |4 aut | |
| 700 | 1 | |a Cheung, Man Kit |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Daijuanru |e verfasserin |4 aut | |
| 700 | 1 | |a Wong, Eddy W Y |e verfasserin |4 aut | |
| 700 | 1 | |a Lau, Eric H L |e verfasserin |4 aut | |
| 700 | 1 | |a Yeung, Zenon W C |e verfasserin |4 aut | |
| 700 | 1 | |a Lai, Ronald |e verfasserin |4 aut | |
| 700 | 1 | |a Meehan, Katie |e verfasserin |4 aut | |
| 700 | 1 | |a Fung, Sherwood |e verfasserin |4 aut | |
| 700 | 1 | |a Chan, Kwan Chee A |e verfasserin |4 aut | |
| 700 | 1 | |a Lui, Vivian W Y |e verfasserin |4 aut | |
| 700 | 1 | |a Cheng, Alfred S L |e verfasserin |4 aut | |
| 700 | 1 | |a Yu, Jun |e verfasserin |4 aut | |
| 700 | 1 | |a Chan, Paul K S |e verfasserin |4 aut | |
| 700 | 1 | |a Chan, Jason Y K |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Zigui |e verfasserin |4 aut | |
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