期刊
CLINICAL AND EXPERIMENTAL PEDIATRICS
卷 64, 期 11, 页码 543-551出版社
Korean Pediatric Soc
DOI: 10.3345/cep.2020.01452
关键词
Nasopharynx; Microbiota; Respiratory tract infections; Opportunistic infections; Pneumococcus
类别
The human microbiome in the nasal cavity plays a crucial role in host health and immunity, with dysbiosis linked to various diseases. Pneumococcus acquisition in the nasal cavity is the initial step in most pneumococcal diseases, with factors influencing colonization and elimination requiring further study.
The human microbiome, which consists of a collective cluster of commensal, symbiotic, and pathogenic microorganisms living in the human body, plays a key role in host health and immunity. The human nasal cavity harbors commensal bacteria that suppress the colonization of opportunisticpathogens. However, dysbiosis of the nasal microbial community is associated with many diseases, such as acute respiratory infections including otitis media, sinusitis and bronchitis and allergic respiratory diseases including asthma. The nasopharyngeal acquisition of pneumococcus, which exists as a pathobiont in the nasal cavity, is the initial step in virtually all pneumococcal diseases. Although the factors influencing nasal colonization and elimination are not fully understood, the adhesion of opportunistic pathogens to nasopharyngeal mucosa receptors and the eliciting of immune responses in the host are implicated in addition to bacterial microbiota properties and colonization resistance dynamics. Probiotics or synbiotic interventions may show promising and effective roles in the adjunctive treatment of dysbiosis; however, more studies are needed to characterize how these interventions can be applied in clinical practice in the future.
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