Gut microbiota changes in airway diseases: a systematic review

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DOI:

https://doi.org/10.9771/cmbio.v19i2.34160

Palavras-chave:

Gut Microbiota. Airway Diseases. Cystic Fibrosis. Asthma. Pulmonary Hypertension. Chronic Obstructive Pulmonary Disease

Resumo

Introduction: studies have highlighted the importance of gut microbiota (GM) to the host immune defenses, influencing the host
development and physiology. Changes in the composition and diversity of GM have been detected in some disease and could be
implicated in the pathophysiological mechanisms of them. Objective: the purpose of this study was to show an overview of the
current knowledge about the GM of patients with airway diseases (AD). Methodology: the literature search was performed in four
databases, using a combination of the descriptors: “Gastrointestinal Microbiome”, “Gut Microbiome”, “Gut Microbiota”, “Cystic Fibrosis”
(CF), “Asthma”, “Pulmonary Hypertension” (HP) and/or “Chronic Obstructive Pulmonary Disease” (COPD). Results: fifteen studies
were herein included: ten of CF and five of asthma. No study about other AD matched the inclusion criteria. In all studies about CF,
changes were detected in GM, particularly quantitative and qualitative microbial changes. For asthma, data showed changes in GM
also including a reduction of microbial richness, evenness and diversity and in the Bacteroidetes/Firmicutes ratio. Conclusions: the
current data indicate the existence of GM changes in AD. However, due to the few studies for asthma and the lack of investigations
on HP and COPD, it was not possible to confirm whether these GM changes are observed in other AD. Furthermore, this review shows
the necessity of more studies in this area to characterize dysbiosis and which alterations are more frequent observed in AD patients.

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Publicado

2020-09-24

Como Citar

Passos, F. C., Oliveira, L. M. G. de, Leal Neto, O. L., Jesus, F. R., Falcão, M. M. L., Neves, M. C. L. C., Lemos, A. C. M., & Baccan, G. C. (2020). Gut microbiota changes in airway diseases: a systematic review. Revista De Ciências Médicas E Biológicas, 19(2), 353–360. https://doi.org/10.9771/cmbio.v19i2.34160

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