NDLI: The Step Further to Understand the Role of Cytosolic Phospholipase A 2 Alpha and Group X Secretory Phospholipase A 2 in Allergic Inflammation: Pilot Study

Content Provider	PubMed Central
Author	Pniewska, Ewa Sokolowska, Milena Kupryś-lipińska, Izabela Monika, Przybek Kuna, Piotr Pawliczak, Rafal
Copyright Year	2014
Abstract	Allergens, viral, and bacterial infections are responsible for asthma exacerbations that occur with progression of airway inflammation. cPLA2 α and sPLA2X are responsible for delivery of arachidonic acid for production of eicosanoids—one of the key mediators of airway inflammation. However, cPLA2 α and sPLA2X role in allergic inflammation has not been fully elucidated. The aim of this study was to analyze the influence of rDer p1 and rFel d1 and lipopolysaccharide (LPS) on cPLA2 α expression and sPLA2X secretion in PBMC of asthmatics and in A549 cell line. PBMC isolated from 14 subjects, as well as A549 cells, were stimulated with rDer p1, rFel d1, and LPS. Immunoblotting technique was used to study the changes in cPLA2 α protein expression and ELISA was used to analyze the release of sPLA2X. PBMC of asthmatics released more sPLA2X than those from healthy controls in the steady state. rDer p1 induced more sPLA2X secretion than cPLA2 α protein expression. rFel d1 caused decrease in cPLA2 α relative expression in PBMC of asthmatics and in A549 cells. Summarizing, Der p1 and Fel d1 involve phospholipase A2 enzymes in their action. sPLA2X seems to be one of important PLA2 isoform in allergic inflammation, especially caused by house dust mite allergens.
Related Links	http://dx.doi.org/10.1155/2014/670814
Starting Page	670814
File Format	PDF
ISSN	23146133
e-ISSN	23146141
Journal	BioMed Research International
Volume Number	2014
Language	English
Publisher	Hindawi Publishing Corporation
Publisher Date	2014-01-01
Access Restriction	Open
Rights Holder	Hindawi Publishing Corporation
Subject Keyword	Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Immunology and Microbiology Medicine Biochemistry, Genetics and Molecular Biology

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