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ID 109489
Author
Goto, Hisatsugu Department of Respiratory Medicine and Rheumatology, Institute of Health Biosciences, the University of Tokushima Graduate School KAKEN Search Researchers
Mitsuhashi, Atsushi Department of Respiratory Medicine and Rheumatology, Institute of Health Biosciences, the University of Tokushima Graduate School Tokushima University Educator and Researcher Directory KAKEN Search Researchers
Nishioka, Yasuhiko Department of Respiratory Medicine and Rheumatology, Institute of Health Biosciences, the University of Tokushima Graduate School Tokushima University Educator and Researcher Directory KAKEN Search Researchers
Keywords
surfactant protein A
non-infectious lung injury
lung cancer
Content Type
Journal Article
Description
Surfactant protein A (SP-A) is a large multimeric protein found in the airways and alveoli of the lungs. SP-A is a member of the collectin family of proteins, characterized by NH2-terminal collagen-like regions and COOH-terminal lectin domains. Although other surfactant proteins such as SP-B function to reduce surface tension in the lungs, SP-A as well as SP-D regulates the pulmonary immune response. To date, a number of studies have shown the immunoregulatory function of SP-A, mainly in the field of infectious diseases. By binding to a wide variety of pathogens, SP-A opsonizes and enhances pathogen uptake by phagocytes. In addition to the effect on pathogens, recent studies have shown that SP-A also modulates lung immune system in the area of non-infectious lung diseases. In this review, the potential role of SP-A in the multiple aspects of pulmonary host defense will be discussed, focusing mainly on non-infectious lung diseases such as acute and chronic pulmonary fibrosis and lung cancer.
Journal Title
The journal of medical investigation : JMI
ISSN
13431420
NCID
AA11166929
Volume
61
Issue
1-2
Start Page
1
End Page
6
Sort Key
1
Published Date
2014-02
EDB ID
FullText File
language
eng
TextVersion
Publisher
departments
Medical Sciences