CD-sens: a biological measure of immunological changes stimulated by ASIT

Allergen-specific immunotherapy (ASIT) in allergic rhinitis and asthma is the only treatment that effects the long-term development of these diseases. Basophil allergen threshold sensitivity, CD-sens, which is a valuable complement to resource-demanding clinical challenge tests, was used to monitor...

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Bibliographic Details
Published in:Allergy (Copenhagen) 2009-05, Vol.64 (5), p.811-814
Main Authors: Nopp, A, Cardell, L.O, Johansson, S.G.O, Öman, H
Format: Article
Language:English
Subjects:
Allergens - administration & dosage
Allergens - immunology
Allergies
Asthma
basophil
Basophils - immunology
Basophils - metabolism
Betula - immunology
Biological and medical sciences
Clinical Medicine
Conjunctivitis, Allergic - immunology
Conjunctivitis, Allergic - therapy
Dermatology
Desensitization, Immunologic
FACS
Fundamental and applied biological sciences. Psychology
Fundamental immunology
Humans
IgE
Immune system
Immunoglobulin E - blood
Immunoglobulin G - blood
Immunoglobulins
Immunotherapy
Klinisk medicin
Leukocytes
Lungmedicin och allergi
Medical and Health Sciences
Medical sciences
Medicin och hälsovetenskap
Pollen - immunology
Respiratory Medicine and Allergy
Sarcoidosis. Granulomatous diseases of unproved etiology. Connective tissue diseases. Elastic tissue diseases. Vasculitis
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Summary:Allergen-specific immunotherapy (ASIT) in allergic rhinitis and asthma is the only treatment that effects the long-term development of these diseases. Basophil allergen threshold sensitivity, CD-sens, which is a valuable complement to resource-demanding clinical challenge tests, was used to monitor the initiation of ASIT induced allergen 'blocking activity'. Patients IgE-sensitized to timothy (n = 14) or birch (n = 19) pollen were started on conventional (8-16 weeks) or ultra rush ASIT, respectively, and followed by measurements of CD-sens, allergen binding activity (ABA) and serum IgG4- and IgE-antibody concentrations. CD-sens decreased during the early phase of ASIT-treatment. In parallel, ABA increased and correlated significantly with the increasing levels of IgG4 antibody concentrations. High dosages of allergen were more effective while mode of dosing up did not seem to matter. No change was seen in basophil reactivity. CD-sens and ABA, in contrast to basophil reactivity, seem to be promising tools to monitor protective immune responses initiated by ASIT.
ISSN:0105-4538
1398-9995
1398-9995
DOI:10.1111/j.1398-9995.2008.01900.x