کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6117202 1217170 2014 10 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Clonal differences in IgE antibodies affect cutaneous anaphylaxis-associated thermal sensitivity in mice
موضوعات مرتبط
علوم زیستی و بیوفناوری ایمنی شناسی و میکروب شناسی ایمونولوژی
پیش نمایش صفحه اول مقاله
Clonal differences in IgE antibodies affect cutaneous anaphylaxis-associated thermal sensitivity in mice
چکیده انگلیسی
Cellular and molecular mediators of immune responses are increasingly implicated in acute and chronic pain pathophysiologies. Here we demonstrate that passive cutaneous IgE/Ag anaphylaxis provokes increased thermal sensitivity in the hind paw tissue of mice. The murine anti-DNP IgE antibodies SPE-7 and ɛ26 are known to induce differential cytokine production in bone marrow cultured mast cells in vitro without antigen challenge. We found a novel, antigen-dependent heterogeneity in the thermal pain responses elicited in the hind paws between SPE-7 and ɛ26 sensitized DNP-challenged mice. Mice experienced pronounced hind paw thermal sensitivity lasting 6 h after DNP challenge when sensitized with SPE-7 but not ɛ26 IgE. The two IgE clones induced equivalent hind paw edema, neutrophil influx, cytokine production, and reduction in tissue histamine content in vivo, and bound to the same or overlapping epitopes on the DNP antigen in vitro. Therefore IgE antibodies against the same antigen can induce comparable inflammation, yet contribute to markedly different anaphylaxis-associated pain within an allergic response, suggesting that non-canonical IgE binding partners such as sensory neurons may play a role in allergy-related pain responses.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Immunology Letters - Volume 162, Issue 1, Part A, November 2014, Pages 149-158
نویسندگان
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