Allergen-specific immunotherapy: an update on immunological mechanisms of action Print E-mail

 

 

Monaldi Arch Chest Dis. 2006 Mar;65(1):34-7.

 

Allergen-specific immunotherapy: an update on immunological mechanisms of action.

 

Ciprandi G, Marseglia GL, Tosca MA.

 

Dipartimento Patologie Testa-Collo, Azienda Ospedaliera Universitaria "San Martino", Genova, Italy. gio.cip@libero.it

 

Specific immunotherapy (SIT) is the only treatment able to modify the natural history of the allergic subjects. Several aspects of the immunopathological response modified by SIT have been investigated; the first parameter historically studied was the production of allergen-specific antibodies. An increase of allergen-specific IgG4 and a decrease of IgE appear after SIT. A shift from Th2-polarized immune response toward Th1-oriented pattern has been reported after SIT. More recently, a crucial role for a subpopulation of T cells has been evidenced: T regulatory cells (Treg). Allergic patients have a defect of Tregs. SIT is able of inducing a specific Treg response. Sublingual immunotherapy is an alternative route of administration for SIT. Recent evidence shows that SLIT is also able of inducing a Treg response as detected by IL-10 production.

 

Publication Types:
Review

 

PMID: 16700191 [PubMed - indexed for MEDLINE]

 

 

 

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