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Placental immune response to apple allergen in allergic mothers
Linköping University, Department of Clinical and Experimental Medicine, Division of Inflammation Medicine. Linköping University, Faculty of Health Sciences.
University Hospital Jena, Germany.
University Hospital Jena, Germany.
University Hospital Jena, Germany.
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2014 (English)In: Journal of Reproductive Immunology, ISSN 0165-0378, E-ISSN 1872-7603, Vol. 106, 100-109 p.Article in journal (Refereed) Published
Abstract [en]

The immunological milieu in the placenta may be crucial for priming the developing foetal immune system. Early imbalances may promote the establishment of immune-mediated diseases in later life, including allergies. The initial exposure to allergens seems to occur in utero, but little is known about allergen-induced placental cytokine and chemokine release. The release of several cytokines and chemokines from placenta tissue after exposure to mast cell degranulator compound 48/80 or apple allergen in placentas from allergic and healthy mothers was to be analysed. Four placentas from women with apple allergy and three controls were applied in a placental perfusion model with two separate cotyledons simultaneously perfused with and without apple allergen (Mal d 1). Two control placentas were perfused with compound 48/80. In outflow, histamine was quantified spectrophotofluorometrically, IL-2, IL-4, IL-6, IL-10, TNF and IFN-gamma by a cytometric multiplex bead array and IL-13 and CXCL10, CXCL11, CCL17 and CCL22 with an in-house multiplex Luminex assay. Compound 48/80 induced a rapid release of histamine, CXCL10, CXCL11, CCL17 and CCL22, but not of the other factors. Apple allergen induced a time-dependent release of IL-6 and TNF, but not of histamine, in placentas of women with apple allergy compared with the unstimulated cotyledon. CCL17 levels were slightly increased after allergen stimulation in control placentas. Allergens can induce placental cytokines and chemokines distinctly in allergic and healthy mothers. These mediators may affect the prenatal development of the immune system and modify the risk of diseases related to immune disorders in childhood such as allergies.

Place, publisher, year, edition, pages
Elsevier , 2014. Vol. 106, 100-109 p.
Keyword [en]
Allergy; Chemokines; Cytokines; Ex vivo placental perfusion; Histamine; Placenta
National Category
Clinical Medicine
URN: urn:nbn:se:liu:diva-113184DOI: 10.1016/j.jri.2014.05.001ISI: 000345948700060PubMedID: 25048667OAI: diva2:779919

Funding Agencies|Institut Danone (Haar, Germany); European Network of Excellence within the 6th Framework Programme of the European Union [512040]; Swedish Research Council [K2011-56X-21854-01-06]; Cancer and Allergy Association; Olle Engkvist Foundation

Available from: 2015-01-13 Created: 2015-01-12 Last updated: 2015-01-29

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Abelius, MartinaJenmalm, Maria
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