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논문 기본 정보

자료유형
학술저널
저자정보
Gwanghee Kim (Yonsei University College of Medicine) Yoojin Lee (Yonsei University College of Medicine) Jin Sun You (Yonsei University College of Medicine) Wontae Hwang (Yonsei University College of Medicine) Jeewon Hwang (Yonsei University College of Medicine) Hwa Young Kim (Yonsei University College of Medicine) Jieun Kim (Yonsei University College of Medicine) Ara Jo (Seoul National University College of Medicine) In ho Park (Yonsei University College of Medicine) Mohammed Ali (Yonsei University College of Medicine) Jongsun Kim (Yonsei University College of Medicine) Jeon-Soo Shin (Yonsei University College of Medicine) Ho-Keun Kwon (Yonsei University College of Medicine) Hyun Jik Kim (Seoul National University College of Medicine) Sang Sun Yoon (Yonsei University College of Medicine)
저널정보
대한면역학회 Immune Network Immune Network Vol.23 No.4
발행연도
2023.8
수록면
39 - 56 (18page)

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초록· 키워드

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Evidence suggests that the human respiratory tract, as with the gastrointestinal tract, has evolved to its current state in association with commensal microbes. However, little is known about how the airway microbiome affects the development of airway immune system. Here, we uncover a previously unidentified mode of interaction between host airway immunity and a unique strain (AIT01) of Staphylococcus epidermidis, a predominant species of the nasal microbiome. Intranasal administration of AIT01 increased the population of neutrophils and monocytes in mouse lungs. The recruitment of these immune cells resulted in the protection of the murine host against infection by Pseudomonas aeruginosa, a pathogenic bacterium. Interestingly, an AIT01-secreted protein identified as GAPDH, a well-known bacterial moonlighting protein, mediated this protective effect. Intranasal delivery of the purified GAPDH conferred significant resistance against other Gram-negative pathogens (Klebsiella pneumoniae and Acinetobacter baumannii) and influenza A virus. Our findings demonstrate the potential of a native nasal microbe and its secretory protein to enhance innate immune defense against airway infections. These results offer a promising preventive measure, particularly relevant in the context of global pandemics.

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ABSTRACT
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
REFERENCES

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