PMID: 7547079Jan 1, 1994Paper

Proliferative responses towards native, heat-denatured and pepsin-treated ovalbumin by peripheral blood mononuclear cells from patients with hen's egg-sensitive atopic dermatitis

Biotherapy
T NishidaT Orii

Abstract

In order to clarify the mechanism of food-antigen recognition, the proliferative responses of peripheral blood mononuclear cells (PBMCs) to native, heat-denatured or pepsin-treated ovalbumin (OA) were investigated in 16 hen's egg-sensitive patients with atopic dermatitis (AD). Seven of them had hypersensitivity to boiled hen's egg and others had not. The responses of PBMCs to heat-denatured OA were lower than those to native OA in the patients without hypersensitivity to boiled hen's egg. However, there were no differences of the responses of PBMCs between heat-denatured OA and native OA in the patients with hypersensitivity to boiled hen's egg. Moreover, the reduction of the responses of PBMCs to pepsin-treated OA was recognized in six out of seven patients. The primary structure of OA did not change by heating or pepsin treatment according to sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE). These results suggested that the secondary structure of OA changed in connection with the reduction of the responses of PBMCs to denatured OA. In addition, we demonstrated the suppressive effect of anti-HLA-DR and anti-HLA-DQ monoclonal antibodies on the proliferative response of PBMCs to OA. The results suggested that...Continue Reading

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Citations

Apr 12, 2013·Journal of Agricultural and Food Chemistry·Albert LeeAmit Kapur
Jun 7, 2011·Transplant Immunology·Eapen K JacobManish J Gandhi
Mar 24, 2009·Clinical and Experimental Allergy : Journal of the British Society for Allergy and Clinical Immunology·Y MorisawaK Matsumoto
Dec 4, 2014·APMIS : Acta Pathologica, Microbiologica, Et Immunologica Scandinavica·Bettina Eide HolmNicole Hartwig Trier
Dec 5, 2008·Journal of Agricultural and Food Chemistry·Ivan López-ExpósitoRosina López-Fandiño

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