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Sputum Microbiome C...
Sputum Microbiome Composition in Patients with Squamous Cell Lung Carcinoma
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Baranova, E (författare)
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Druzhinin, V (författare)
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- Matskova, L (författare)
- Karolinska Institutet
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Demenkov, P (författare)
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Volobaev, V (författare)
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Minina, V (författare)
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Larionov, A (författare)
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Titov, V (författare)
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(creator_code:org_t)
- 2022-09-01
- 2022
- Engelska.
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Ingår i: Life (Basel, Switzerland). - : MDPI AG. - 2075-1729. ; 12:9
- Relaterad länk:
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http://kipublication...
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https://doi.org/10.3...
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Abstract
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- Background: Recent findings indicate that the host microbiome can have a significant impact on the development of lung cancer by inducing an inflammatory response, causing dysbiosis, and generating genome damage. The aim of this study was to search for bacterial communities specifically associated with squamous cell carcinoma (LUSC). Methods: In this study, the taxonomic composition of the sputum microbiome of 40 men with untreated LUSC was compared with that of 40 healthy controls. Next-Generation sequencing of bacterial 16S rRNA genes was used to determine the taxonomic composition of the respiratory microbiome. Results: There were no differences in alpha diversity between the LUSC and control groups. Meanwhile, differences in the structure of bacterial communities (β diversity) among patients and controls differed significantly in sputum samples (pseudo-F = 1.53; p = 0.005). Genera of Streptococcus, Bacillus, Gemella, and Haemophilus were found to be significantly enriched in patients with LUSC compared to the control subjects, while 19 bacterial genera were significantly reduced, indicating a decrease in beta diversity in the microbiome of patients with LUSC. Conclusions: Among other candidates, Streptococcus (Streptococcus agalactiae) emerges as the most likely LUSC biomarker, but more research is needed to confirm this assumption.
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