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Microparticle and anti-influenza activity in human respiratory secretion
Suptawiwat O. - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Microparticle and anti-influenza activity in human respiratory secretion
ผู้แต่ง / หัวหน้าโครงการ (EN): Suptawiwat O.
บทคัดย่อ (EN): Respiratory secretions, such as saliva and bronchoalveolar fluid, contain anti-influenza activity. Multiple soluble factors have been described that exert anti-influenza activity and are believed to be responsible for the anti-influenza activity in respiratory secretions. It was previously shown that a bronchial epithelial cell culture could produce exosome-like particles with anti-influenza activity. Whether such extracellular vesicles in respiratory secretions have anti-influenza activity is unknown. Therefore, we characterized bronchoalveolar lavage fluid and found microparticles, which mostly stained positive for epithelial cell markers and both a2,3- and a2,6-linked sialic acid. Microparticles were purified from bronchoalveolar lavage fluid and shown to exhibit anti-influenza activity by a hemagglutination inhibition (HI) assay and a neutralization (NT) assay. In addition, physical binding between influenza virions and microparticles was demonstrated by electron microscopy. These findings indicate that respiratory microparticles containing viral receptors can exert anti-viral activity by probably trapping viral particles. This innate mechanism may play an important role in the defense against respiratory viruses. © 2017 Suptawiwat et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เอกสารแนบ (EN): https://www.scopus.com/inward/record.uri?eid=2-s2.0-85028468834&doi=10.1371%2fjournal.pone.0183717&partnerID=40&md5=9cc474ed99033b1b04eaaef25773106f
เผยแพร่โดย (EN): มหาวิทยาลัยมหิดล
คำสำคัญ (EN): Young Adult
เจ้าของลิขสิทธิ์ (EN): มหาวิทยาลัยมหิดล
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Microparticle and anti-influenza activity in human respiratory secretion
Suptawiwat O.
มหาวิทยาลัยมหิดล
ไม่ระบุวันที่เผยแพร่
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